1 /*-------------------------------------------------------------------------
2 * OpenGL Conformance Test Suite
3 * -----------------------------
4 *
5 * Copyright (c) 2017 The Khronos Group Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 */ /*!
20 * \file glcPackedPixelsTests.cpp
21 * \brief
22 */ /*-------------------------------------------------------------------*/
23
24 #include "glcPackedPixelsTests.hpp"
25 #include "deMath.h"
26 #include "glcMisc.hpp"
27 #include "gluContextInfo.hpp"
28 #include "gluShaderProgram.hpp"
29 #include "gluStrUtil.hpp"
30 #include "glwEnums.hpp"
31 #include "glwFunctions.hpp"
32 #include "tcuRenderTarget.hpp"
33 #include "tcuTestLog.hpp"
34 #include <algorithm>
35 #include <cstring>
36 #include <limits>
37 #include <map>
38 #include <stdio.h>
39
40 using namespace glw;
41 using namespace glu;
42
43 namespace glcts
44 {
45
46 enum
47 {
48 GRADIENT_WIDTH = 7,
49 GRADIENT_HEIGHT = 3
50 };
51
52 enum InputOutputOperation
53 {
54 OUTPUT_GETTEXIMAGE,
55 OUTPUT_READPIXELS,
56 INPUT_TEXIMAGE,
57 };
58
59 enum ComponentFormat
60 {
61 FORMAT_STENCIL, // stencil, unsigned int
62 FORMAT_DEPTH, // depth, unsigned [fp|float]
63 FORMAT_DEPTH_STENCIL, // depth+stencil, unsigned [fp|float]
64 FORMAT_COLOR, // color, [signed|unsigned] fp
65 FORMAT_COLOR_INTEGER, // color, [signed|unsigned] int
66 };
67
68 enum TypeStorage
69 {
70 STORAGE_UNSIGNED, // unsigned fp/int
71 STORAGE_SIGNED, // signed fp/int
72 STORAGE_FLOAT, // signed/unsigned float
73 };
74
75 union InternalFormatBits {
76 struct Bits
77 {
78 int red; // red bits
79 int green; // green bits
80 int blue; // blue bits
81 int alpha; // alpha bits
82 int intensity; // intensity bits
83 int luminance; // luminance bits
84 int depth; // depth bits
85 int stencil; // stencil bits
86 int exponent; // shared exponent bits
87 } bits;
88 int array[9]; // all the bits
89 };
90
91 struct PixelType
92 {
93 GLenum type;
94 int size;
95 int storage;
96 bool special;
97 bool reversed;
98 InternalFormatBits bits;
99 bool clamp;
100 };
101
102 struct PixelFormat
103 {
104 GLenum format; // format name
105 int components; // number of components
106 int componentFormat; // element meaning
107 GLenum attachment; // target buffer
108 InternalFormatBits componentOrder; // zero based element order, -1 for N/A
109 };
110
111 enum InternalFormatSamplerType
112 {
113 SAMPLER_UNORM = 0, // unsigned normalized
114 SAMPLER_NORM, // normalized
115 SAMPLER_UINT, // unsigned integer
116 SAMPLER_INT, // integer
117 SAMPLER_FLOAT // floating-point
118 };
119
120 enum InternalFormatFlag
121 {
122 FLAG_PACKED = 1, // packed pixel format
123 FLAG_COMPRESSED = 2, // compressed format
124 FLAG_REQ_RBO_GL42 = 4, // required RBO & tex format in OpenGL 4.2
125 FLAG_REQ_RBO_ES30 = 8, // required RBO & tex format in OpenGL ES 3.0
126 FLAG_REQ_RBO = FLAG_REQ_RBO_GL42 | FLAG_REQ_RBO_ES30, // Required RBO & tex format in both
127 };
128
129 struct InternalFormat
130 {
131 GLenum sizedFormat;
132 GLenum baseFormat;
133 GLenum format;
134 GLenum type;
135 InternalFormatSamplerType sampler;
136 InternalFormatBits bits;
137 int flags; // InternalFormatFlag
138 };
139
140 struct EnumFormats
141 {
142 GLenum internalformat;
143 GLenum format;
144 GLenum type;
145 int size;
146 bool bRenderable;
147 };
148
149 #define PACK_DEFAULTI (0)
150 #define PACK_DEFAULTUI (0)
151 #define PACK_DEFAULTF (-2.0f)
152
153 static const InternalFormat coreInternalformats[] =
154 {
155 { GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, 0 },
156 { GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, 0 },
157 { GL_RED, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
158 { GL_RG, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
159 { GL_R8, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
160 { GL_R8_SNORM, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
161 { GL_R16, GL_RED, GL_RED, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
162 { GL_R16_SNORM, GL_RED, GL_RED, GL_SHORT, SAMPLER_NORM, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
163 { GL_RG8, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
164 { GL_RG8_SNORM, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
165 { GL_RG16, GL_RG, GL_RG, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
166 { GL_RG16_SNORM, GL_RG, GL_RG, GL_SHORT, SAMPLER_NORM, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
167 { GL_R3_G3_B2, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_3_3_2, SAMPLER_UNORM, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED },
168 { GL_RGB4, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 4, 4, 4, 0, 0, 0, 0, 0, 0 } }, 0 },
169 { GL_RGB5, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 5, 5, 5, 0, 0, 0, 0, 0, 0 } }, 0 },
170 { GL_RGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_ES30 },
171 { GL_RGB8_SNORM, GL_RGB, GL_RGB, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
172 { GL_RGB10, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {10,10,10, 0, 0, 0, 0, 0, 0 } }, 0 },
173 { GL_RGB12, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {12,12,12, 0, 0, 0, 0, 0, 0 } }, 0 },
174 { GL_RGB16, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
175 { GL_RGB16_SNORM, GL_RGB, GL_RGB, GL_SHORT, SAMPLER_NORM, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
176 { GL_RGBA2, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 2, 2, 2, 2, 0, 0, 0, 0, 0 } }, 0 },
177 { GL_RGBA4, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, SAMPLER_UNORM, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
178 { GL_RGB5_A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, SAMPLER_UNORM, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
179 { GL_RGBA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
180 { GL_RGBA8_SNORM, GL_RGBA, GL_RGBA, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
181 { GL_RGB10_A2, GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, SAMPLER_UNORM, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
182 { GL_RGB10_A2UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, SAMPLER_UINT, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
183 { GL_RGBA12, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {12,12,12,12, 0, 0, 0, 0, 0 } }, 0 },
184 { GL_RGBA16, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
185 { GL_RGBA16_SNORM, GL_RGBA, GL_RGBA, GL_SHORT, SAMPLER_NORM, { {16,16,16,16, 0, 0, 0, 0, 0 } }, 0 },
186 { GL_SRGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
187 { GL_SRGB8_ALPHA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
188 { GL_R16F, GL_RED, GL_RED, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
189 { GL_RG16F, GL_RG, GL_RG, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
190 { GL_RGB16F, GL_RGB, GL_RGB, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
191 { GL_RGBA16F, GL_RGBA, GL_RGBA, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
192 { GL_R32F, GL_RED, GL_RED, GL_FLOAT, SAMPLER_FLOAT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
193 { GL_RG32F, GL_RG, GL_RG, GL_FLOAT, SAMPLER_FLOAT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
194 { GL_RGB32F, GL_RGB, GL_RGB, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
195 { GL_RGBA32F, GL_RGBA, GL_RGBA, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
196 { GL_R11F_G11F_B10F, GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, SAMPLER_FLOAT, { {11,11,10, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
197 { GL_RGB9_E5, GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, SAMPLER_FLOAT, { { 9, 9, 9, 0, 0, 0, 0, 0, 5 } }, FLAG_PACKED },
198 { GL_R8I, GL_RED, GL_RED_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
199 { GL_R8UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
200 { GL_R16I, GL_RED, GL_RED_INTEGER, GL_SHORT, SAMPLER_INT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
201 { GL_R16UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
202 { GL_R32I, GL_RED, GL_RED_INTEGER, GL_INT, SAMPLER_INT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
203 { GL_R32UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
204 { GL_RG8I, GL_RG, GL_RG_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
205 { GL_RG8UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
206 { GL_RG16I, GL_RG, GL_RG_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
207 { GL_RG16UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
208 { GL_RG32I, GL_RG, GL_RG_INTEGER, GL_INT, SAMPLER_INT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
209 { GL_RG32UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
210 { GL_RGB8I, GL_RGB, GL_RGB_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
211 { GL_RGB8UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
212 { GL_RGB16I, GL_RGB, GL_RGB_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
213 { GL_RGB16UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
214 { GL_RGB32I, GL_RGB, GL_RGB_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
215 { GL_RGB32UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
216 { GL_RGBA8I, GL_RGBA, GL_RGBA_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
217 { GL_RGBA8UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
218 { GL_RGBA16I, GL_RGBA, GL_RGBA_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
219 { GL_RGBA16UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
220 { GL_RGBA32I, GL_RGBA, GL_RGBA_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
221 { GL_RGBA32UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
222 { GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, FLAG_REQ_RBO },
223 { GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 0, 0 } }, FLAG_REQ_RBO },
224 { GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, 0 },
225 { GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_FLOAT, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, FLAG_REQ_RBO },
226 { GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, FLAG_REQ_RBO },
227 { GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 8, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
228 { GL_COMPRESSED_RED, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
229 { GL_COMPRESSED_RG, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
230 { GL_COMPRESSED_RGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
231 { GL_COMPRESSED_RGBA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
232 { GL_COMPRESSED_SRGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
233 { GL_COMPRESSED_SRGB_ALPHA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
234 { GL_COMPRESSED_RED_RGTC1, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
235 { GL_COMPRESSED_SIGNED_RED_RGTC1, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
236 { GL_COMPRESSED_RG_RGTC2, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
237 { GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
238 };
239
240 static InternalFormat esInternalformats[] =
241 {
242 { GL_LUMINANCE, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 8, 0, 0, 0 } }, 0 },
243 { GL_ALPHA, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 8, 0, 0, 0, 0, 0 } }, 0 },
244 { GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 8, 0, 8, 0, 0, 0 } }, 0 },
245 { GL_RGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
246 { GL_RGBA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
247 { GL_R8, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
248 { GL_R8_SNORM, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
249 { GL_RG8, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
250 { GL_RG8_SNORM, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
251 { GL_RGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_ES30 },
252 { GL_RGB8_SNORM, GL_RGB, GL_RGB, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
253 { GL_RGB565, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, SAMPLER_UNORM, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
254 { GL_RGBA4, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, SAMPLER_UNORM, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
255 { GL_RGB5_A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, SAMPLER_UNORM, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
256 { GL_RGBA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
257 { GL_RGBA8_SNORM, GL_RGBA, GL_RGBA, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
258 { GL_RGB10_A2, GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, SAMPLER_UNORM, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_ES30 },
259 { GL_RGB10_A2UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, SAMPLER_UINT, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_ES30 },
260 { GL_SRGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
261 { GL_SRGB8_ALPHA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
262 { GL_R16F, GL_RED, GL_RED, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
263 { GL_RG16F, GL_RG, GL_RG, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
264 { GL_RGB16F, GL_RGB, GL_RGB, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
265 { GL_RGBA16F, GL_RGBA, GL_RGBA, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
266 { GL_R32F, GL_RED, GL_RED, GL_FLOAT, SAMPLER_FLOAT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
267 { GL_RG32F, GL_RG, GL_RG, GL_FLOAT, SAMPLER_FLOAT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
268 { GL_RGB32F, GL_RGB, GL_RGB, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
269 { GL_RGBA32F, GL_RGBA, GL_RGBA, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
270 { GL_R11F_G11F_B10F, GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, SAMPLER_FLOAT, { {11,11,10, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
271 { GL_RGB9_E5, GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, SAMPLER_FLOAT, { { 9, 9, 9, 0, 0, 0, 0, 0, 5 } }, FLAG_PACKED },
272 { GL_R8I, GL_RED, GL_RED_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
273 { GL_R8UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
274 { GL_R16I, GL_RED, GL_RED_INTEGER, GL_SHORT, SAMPLER_INT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
275 { GL_R16UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
276 { GL_R32I, GL_RED, GL_RED_INTEGER, GL_INT, SAMPLER_INT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
277 { GL_R32UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
278 { GL_RG8I, GL_RG, GL_RG_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
279 { GL_RG8UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
280 { GL_RG16I, GL_RG, GL_RG_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
281 { GL_RG16UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
282 { GL_RG32I, GL_RG, GL_RG_INTEGER, GL_INT, SAMPLER_INT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
283 { GL_RG32UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
284 { GL_RGB8I, GL_RGB, GL_RGB_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
285 { GL_RGB8UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
286 { GL_RGB16I, GL_RGB, GL_RGB_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
287 { GL_RGB16UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
288 { GL_RGB32I, GL_RGB, GL_RGB_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
289 { GL_RGB32UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
290 { GL_RGBA8I, GL_RGBA, GL_RGBA_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
291 { GL_RGBA8UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
292 { GL_RGBA16I, GL_RGBA, GL_RGBA_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
293 { GL_RGBA16UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
294 { GL_RGBA32I, GL_RGBA, GL_RGBA_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
295 { GL_RGBA32UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
296 { GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, FLAG_REQ_RBO },
297 { GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 0, 0 } }, FLAG_REQ_RBO },
298 { GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_FLOAT, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, FLAG_REQ_RBO },
299 { GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, FLAG_REQ_RBO },
300 { GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 8, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
301 };
302
303 static const PixelFormat coreFormats[] = {
304 { GL_STENCIL_INDEX, 1, FORMAT_STENCIL, GL_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1,-1, 0,-1} } },
305 { GL_DEPTH_COMPONENT, 1, FORMAT_DEPTH, GL_DEPTH_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0,-1,-1} } },
306 { GL_DEPTH_STENCIL, 2, FORMAT_DEPTH_STENCIL, GL_DEPTH_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0, 1,-1} } },
307 { GL_RED, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
308 { GL_GREEN, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1, 0,-1,-1,-1,-1,-1,-1,-1} } },
309 { GL_BLUE, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1, 0,-1,-1,-1,-1,-1,-1} } },
310 { GL_RG, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
311 { GL_RGB, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
312 { GL_RGBA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
313 { GL_BGR, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 2, 1, 0,-1,-1,-1,-1,-1,-1} } },
314 { GL_BGRA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 2, 1, 0, 3,-1,-1,-1,-1,-1} } },
315 { GL_RED_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
316 { GL_GREEN_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { {-1, 0,-1,-1,-1,-1,-1,-1,-1} } },
317 { GL_BLUE_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { {-1,-1, 0,-1,-1,-1,-1,-1,-1} } },
318 { GL_RG_INTEGER, 2, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
319 { GL_RGB_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
320 { GL_RGBA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
321 { GL_BGR_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 2, 1, 0,-1,-1,-1,-1,-1,-1} } },
322 { GL_BGRA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 2, 1, 0, 3,-1,-1,-1,-1,-1} } },
323 };
324
325 static const PixelFormat esFormats[] = {
326 { GL_DEPTH_COMPONENT, 1, FORMAT_DEPTH, GL_DEPTH_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0,-1,-1} } },
327 { GL_DEPTH_STENCIL, 2, FORMAT_DEPTH_STENCIL, GL_DEPTH_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0, 1,-1} } },
328 { GL_RED, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
329 { GL_RG, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
330 { GL_RGB, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
331 { GL_RGBA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
332 { GL_LUMINANCE, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1,-1,-1, 0,-1,-1,-1} } },
333 { GL_ALPHA, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1, 0,-1,-1,-1,-1,-1} } },
334 { GL_LUMINANCE_ALPHA, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1, 1,-1, 0,-1,-1,-1} } },
335 { GL_RED_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
336 { GL_RG_INTEGER, 2, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
337 { GL_RGB_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
338 { GL_RGBA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
339 };
340
341 static const PixelType coreTypes[] = {
342 { GL_UNSIGNED_BYTE, sizeof(GLubyte), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
343 { GL_BYTE, sizeof(GLbyte), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
344 { GL_UNSIGNED_SHORT, sizeof(GLushort), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
345 { GL_SHORT, sizeof(GLshort), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
346 { GL_UNSIGNED_INT, sizeof(GLuint), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
347 { GL_INT, sizeof(GLint), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
348 { GL_HALF_FLOAT, sizeof(GLhalf), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
349 { GL_FLOAT, sizeof(GLfloat), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
350 { GL_UNSIGNED_SHORT_5_6_5, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
351 { GL_UNSIGNED_SHORT_4_4_4_4, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
352 { GL_UNSIGNED_SHORT_5_5_5_1, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
353 { GL_UNSIGNED_INT_2_10_10_10_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
354 { GL_UNSIGNED_INT_24_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, false },
355 { GL_UNSIGNED_INT_10F_11F_11F_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 6, 7, 7, 0, 0, 0, 0, 0, 0 } }, false },
356 { GL_UNSIGNED_INT_5_9_9_9_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 9, 9, 9, 5, 0, 0, 0, 0, 0 } }, false },
357 { GL_FLOAT_32_UNSIGNED_INT_24_8_REV, sizeof(GLfloat)+sizeof(GLuint), STORAGE_FLOAT, true, true, { { 0, 0, 0, 0, 0, 0,32, 8,24 } }, false },
358 { GL_UNSIGNED_BYTE_3_3_2, sizeof(GLubyte), STORAGE_UNSIGNED, true, false, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, false },
359 { GL_UNSIGNED_BYTE_2_3_3_REV, sizeof(GLubyte), STORAGE_UNSIGNED, true, true, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, false },
360 { GL_UNSIGNED_SHORT_5_6_5_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
361 { GL_UNSIGNED_SHORT_4_4_4_4_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
362 { GL_UNSIGNED_SHORT_1_5_5_5_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
363 { GL_UNSIGNED_INT_8_8_8_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, false },
364 { GL_UNSIGNED_INT_8_8_8_8_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, false },
365 { GL_UNSIGNED_INT_10_10_10_2, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
366 };
367
368 static const PixelType esTypes[] = {
369 { GL_UNSIGNED_BYTE, sizeof(GLubyte), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
370 { GL_BYTE, sizeof(GLbyte), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
371 { GL_UNSIGNED_SHORT, sizeof(GLushort), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
372 { GL_SHORT, sizeof(GLshort), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
373 { GL_UNSIGNED_INT, sizeof(GLuint), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
374 { GL_INT, sizeof(GLint), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
375 { GL_HALF_FLOAT, sizeof(GLhalf), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
376 { GL_FLOAT, sizeof(GLfloat), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
377 { GL_UNSIGNED_SHORT_5_6_5, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
378 { GL_UNSIGNED_SHORT_4_4_4_4, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
379 { GL_UNSIGNED_SHORT_5_5_5_1, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
380 { GL_UNSIGNED_INT_2_10_10_10_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
381 { GL_UNSIGNED_INT_24_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, false },
382 { GL_UNSIGNED_INT_10F_11F_11F_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 6, 7, 7, 0, 0, 0, 0, 0, 0 } }, false },
383 { GL_UNSIGNED_INT_5_9_9_9_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 9, 9, 9, 5, 0, 0, 0, 0, 0 } }, false },
384 { GL_FLOAT_32_UNSIGNED_INT_24_8_REV, sizeof(GLfloat)+sizeof(GLuint), STORAGE_FLOAT, true, true, { { 0, 0, 0, 0, 0, 0,32, 8,24 } }, false },
385 };
386
387 static const EnumFormats esValidFormats[] = {
388 { GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
389 { GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
390 { GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
391 { GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
392 { GL_RGBA8_SNORM, GL_RGBA, GL_BYTE, 4, false },
393 { GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, true },
394 { GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, true },
395 { GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
396 { GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
397 { GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, 8, false },
398 { GL_RGBA32F, GL_RGBA, GL_FLOAT, 16, false },
399 { GL_RGBA16F, GL_RGBA, GL_FLOAT, 16, false },
400 { GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, 4, true },
401 { GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, 4, true },
402 { GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, 8, true },
403 { GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT, 8, true },
404 { GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, 16, true },
405 { GL_RGBA32I, GL_RGBA_INTEGER, GL_INT, 16, true },
406 { GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
407 { GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
408 { GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
409 { GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE, 3, false },
410 { GL_RGB8_SNORM, GL_RGB, GL_BYTE, 3, false },
411 { GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, true },
412 { GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, 4, false },
413 { GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT, 6, false },
414 { GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT, 12, false },
415 { GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, 4, false },
416 { GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT, 6, false },
417 { GL_RGB9_E5, GL_RGB, GL_FLOAT, 12, false },
418 { GL_RGB16F, GL_RGB, GL_HALF_FLOAT, 6, false },
419 { GL_RGB32F, GL_RGB, GL_FLOAT, 12, false },
420 { GL_RGB16F, GL_RGB, GL_FLOAT, 12, false },
421 { GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, 3, false },
422 { GL_RGB8I, GL_RGB_INTEGER, GL_BYTE, 3, false },
423 { GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, 6, false },
424 { GL_RGB16I, GL_RGB_INTEGER, GL_SHORT, 6, false },
425 { GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT, 12, false },
426 { GL_RGB32I, GL_RGB_INTEGER, GL_INT, 12, false },
427 { GL_RG8, GL_RG, GL_UNSIGNED_BYTE, 2, true },
428 { GL_RG8_SNORM, GL_RG, GL_BYTE, 2, false },
429 { GL_RG16F, GL_RG, GL_HALF_FLOAT, 4, false },
430 { GL_RG32F, GL_RG, GL_FLOAT, 8, false },
431 { GL_RG16F, GL_RG, GL_FLOAT, 8, false },
432 { GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE, 2, true },
433 { GL_RG8I, GL_RG_INTEGER, GL_BYTE, 2, true },
434 { GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, 4, true },
435 { GL_RG16I, GL_RG_INTEGER, GL_SHORT, 4, true },
436 { GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, 8, true },
437 { GL_RG32I, GL_RG_INTEGER, GL_INT, 8, true },
438 { GL_R8, GL_RED, GL_UNSIGNED_BYTE, 1, true },
439 { GL_R8_SNORM, GL_RED, GL_BYTE, 1, false },
440 { GL_R16F, GL_RED, GL_HALF_FLOAT, 2, false },
441 { GL_R32F, GL_RED, GL_FLOAT, 4, false },
442 { GL_R16F, GL_RED, GL_FLOAT, 4, false },
443 { GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, 1, true },
444 { GL_R8I, GL_RED_INTEGER, GL_BYTE, 1, true },
445 { GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, 2, true },
446 { GL_R16I, GL_RED_INTEGER, GL_SHORT, 2, true },
447 { GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, 4, true },
448 { GL_R32I, GL_RED_INTEGER, GL_INT, 4, true },
449 { GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 4, true },
450 { GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 4, true },
451 { GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 2, true },
452 { GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, 4, true },
453 { GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 4, true },
454 { GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 8, true },
455 { GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
456 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, true },
457 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, true },
458 { GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
459 { GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, true },
460 { GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 2, false },
461 { GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, 1, false },
462 { GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, 1, false },
463 };
464
465 static const EnumFormats coreValidFormats[] = {
466 { GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_3_3_2, 3, true },
467 { GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_BYTE_3_3_2, 3, true },
468 { GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_2_3_3_REV, 3, true },
469 { GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_BYTE_2_3_3_REV, 3, true },
470 { GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 3, true },
471 { GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5, 3, true },
472 { GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, 3, true },
473 { GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5_REV, 3, true },
474 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
475 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
476 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
477 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
478 { GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
479 { GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
480 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
481 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
482 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
483 { GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
484 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
485 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
486 { GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
487 { GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
488 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
489 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
490 { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, true },
491 { GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, true },
492 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8, 4, true },
493 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_8_8_8_8, 4, true },
494 { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
495 { GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
496 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
497 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
498 { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, true },
499 { GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_10_10_10_2, 4, true },
500 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, 4, true },
501 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, 4, true },
502 { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
503 { GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
504 { GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
505 { GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
506 { GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 2, true },
507 { GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, 3, true },
508 { GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, 4, true },
509 { GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 2, true },
510 };
511
512 static const EnumFormats validformats_EXT_texture_type_2_10_10_10_REV[] = {
513 { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 4, false },
514 { GL_RGB, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 3, false }
515 };
516
517 // Valid combinations given by GL_EXT_texture_type_2_10_10_10_REV and
518 // GL_OES_required_internalformat extensions
519 static const EnumFormats validformats_OES_required_internalformat[] = {
520 { GL_RGB8_OES, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 3, true },
521 { GL_RGB565, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 4, true }
522 };
523
524 // Companion type for GL_FLOAT_32_UNSIGNED_INT_24_8_REV. Stencil part was
525 // not split into 24/8 to avoid any packing related issues from compiler.
526 struct F_32_UINT_24_8_REV
527 {
528 GLfloat d;
529 GLuint s;
530 };
531
532 // custom pixel data type. holds both float and integer pixel data. memory consuming, but
533 // it is not that relavant in this case. makes comparing more reliable and flexible
534 struct FloatPixel
535 {
536 int i_r;
537 int i_g;
538 int i_b;
539 int i_a;
540 int i_d;
541 int i_s;
542
543 unsigned int ui_r;
544 unsigned int ui_g;
545 unsigned int ui_b;
546 unsigned int ui_a;
547 unsigned int ui_d;
548 unsigned int ui_s;
549
550 float r;
551 float g;
552 float b;
553 float a;
554 float d;
555 float s;
556 };
557
558 static const int NUM_FLOAT_PIXEL_COUNT = sizeof(FloatPixel) / sizeof(float);
559
560 typedef int rawIntPixel[4];
561 typedef unsigned int rawUintPixel[4];
562 typedef float rawFloatPixel[4];
563
564 struct PackedPixelsBufferProperties
565 {
566 int elementsInGroup; // number of elements in a group
567 int rowLength; // number of groups in the row
568 int alignment; // alignment (in bytes)
569 int elementSize; // size of an element (in bytes)
570 int elementsInRow; // row size (in elements)
571 int elementsInRowNoAlign; // row size (in elements) without alignment
572 int rowCount; // number of rows in 2D image
573 int imagesCount; // number of 2D images in 3D image
574 int skipPixels; // (UN)PACK_SKIP_PIXELS
575 int skipRows; // (UN)PACK_SKIP_ROWS
576 int skipImages; // (UN)PACK_SKIP_IMAGES
577 int swapBytes;
578 int lsbFirst;
579 };
580
getTypeStr(GLenum type)581 std::string getTypeStr(GLenum type)
582 {
583 // this function extends glu::getTypeStr by types used in this tests
584
585 typedef std::map<GLenum, std::string> TypeMap;
586 static TypeMap typeMap;
587 if (typeMap.empty())
588 {
589 typeMap[GL_UNSIGNED_BYTE_3_3_2] = "GL_UNSIGNED_BYTE_3_3_2";
590 typeMap[GL_UNSIGNED_BYTE_2_3_3_REV] = "GL_UNSIGNED_BYTE_2_3_3_REV";
591 typeMap[GL_UNSIGNED_SHORT_5_6_5_REV] = "GL_UNSIGNED_SHORT_5_6_5_REV";
592 typeMap[GL_UNSIGNED_SHORT_4_4_4_4_REV] = "GL_UNSIGNED_SHORT_4_4_4_4_REV";
593 typeMap[GL_UNSIGNED_SHORT_1_5_5_5_REV] = "GL_UNSIGNED_SHORT_1_5_5_5_REV";
594 typeMap[GL_UNSIGNED_INT_8_8_8_8] = "GL_UNSIGNED_INT_8_8_8_8";
595 typeMap[GL_UNSIGNED_INT_8_8_8_8_REV] = "GL_UNSIGNED_INT_8_8_8_8_REV";
596 typeMap[GL_UNSIGNED_INT_10_10_10_2] = "GL_UNSIGNED_INT_10_10_10_2";
597 }
598
599 TypeMap::iterator it = typeMap.find(type);
600 if (it == typeMap.end())
601 {
602 // if type is not in map use glu function
603 return glu::getTypeStr(type).toString();
604 }
605 return it->second;
606 }
607
getFormatStr(GLenum format)608 std::string getFormatStr(GLenum format)
609 {
610 // this function extends glu::getTextureFormatStr by types used in this tests
611
612 typedef std::map<GLenum, std::string> FormatMap;
613 static FormatMap formatMap;
614 if (formatMap.empty())
615 {
616 formatMap[GL_GREEN] = "GL_GREEN";
617 formatMap[GL_BLUE] = "GL_BLUE";
618 formatMap[GL_GREEN_INTEGER] = "GL_GREEN_INTEGER";
619 formatMap[GL_BLUE_INTEGER] = "GL_BLUE_INTEGER";
620 formatMap[GL_BGR] = "GL_BGR";
621 formatMap[GL_BGR_INTEGER] = "GL_BGR_INTEGER";
622 formatMap[GL_BGRA_INTEGER] = "GL_BGRA_INTEGER";
623 formatMap[GL_R3_G3_B2] = "GL_R3_G3_B2";
624 formatMap[GL_RGB4] = "GL_RGB4";
625 formatMap[GL_RGB5] = "GL_RGB5";
626 formatMap[GL_RGB12] = "GL_RGB12";
627 formatMap[GL_RGBA2] = "GL_RGBA2";
628 formatMap[GL_RGBA12] = "GL_RGBA12";
629 formatMap[GL_COMPRESSED_RED] = "GL_COMPRESSED_RED";
630 formatMap[GL_COMPRESSED_RG] = "GL_COMPRESSED_RG";
631 formatMap[GL_COMPRESSED_RGB] = "GL_COMPRESSED_RGB";
632 formatMap[GL_COMPRESSED_RGBA] = "GL_COMPRESSED_RGBA";
633 formatMap[GL_COMPRESSED_SRGB] = "GL_COMPRESSED_SRGB";
634 formatMap[GL_COMPRESSED_SRGB_ALPHA] = "GL_COMPRESSED_SRGB_ALPHA";
635 formatMap[GL_COMPRESSED_RED_RGTC1] = "GL_COMPRESSED_RED_RGTC1";
636 formatMap[GL_COMPRESSED_SIGNED_RED_RGTC1] = "GL_COMPRESSED_SIGNED_RED_RGTC1";
637 formatMap[GL_COMPRESSED_RG_RGTC2] = "GL_COMPRESSED_RG_RGTC2";
638 formatMap[GL_COMPRESSED_SIGNED_RG_RGTC2] = "GL_COMPRESSED_SIGNED_RG_RGTC2";
639 formatMap[GL_STENCIL_INDEX] = "GL_STENCIL_INDEX";
640 }
641
642 FormatMap::iterator it = formatMap.find(format);
643 if (it == formatMap.end())
644 {
645 // if format is not in map use glu function
646 return glu::getTextureFormatStr(format).toString();
647 }
648 return it->second;
649 }
650
getModeStr(GLenum type)651 std::string getModeStr(GLenum type)
652 {
653 typedef std::map<GLenum, std::string> ModeMap;
654 static ModeMap modeMap;
655 if (modeMap.empty())
656 {
657 modeMap[GL_UNPACK_ROW_LENGTH] = "GL_UNPACK_ROW_LENGTH";
658 modeMap[GL_UNPACK_SKIP_ROWS] = "GL_UNPACK_SKIP_ROWS";
659 modeMap[GL_UNPACK_SKIP_PIXELS] = "GL_UNPACK_SKIP_PIXELS";
660 modeMap[GL_UNPACK_ALIGNMENT] = "GL_UNPACK_ALIGNMENT";
661 modeMap[GL_UNPACK_IMAGE_HEIGHT] = "GL_UNPACK_IMAGE_HEIGHT";
662 modeMap[GL_UNPACK_SKIP_IMAGES] = "GL_UNPACK_SKIP_IMAGES";
663 modeMap[GL_PACK_ROW_LENGTH] = "GL_PACK_ROW_LENGTH";
664 modeMap[GL_PACK_SKIP_ROWS] = "GL_PACK_SKIP_ROWS";
665 modeMap[GL_PACK_SKIP_PIXELS] = "GL_PACK_SKIP_PIXELS";
666 modeMap[GL_PACK_ALIGNMENT] = "GL_PACK_ALIGNMENT";
667 modeMap[GL_UNPACK_SWAP_BYTES] = "GL_UNPACK_SWAP_BYTES";
668 modeMap[GL_UNPACK_LSB_FIRST] = "GL_UNPACK_LSB_FIRST";
669 modeMap[GL_PACK_SWAP_BYTES] = "GL_PACK_SWAP_BYTES";
670 modeMap[GL_PACK_LSB_FIRST] = "GL_PACK_LSB_FIRST";
671 modeMap[GL_PACK_IMAGE_HEIGHT] = "GL_PACK_IMAGE_HEIGHT";
672 modeMap[GL_PACK_SKIP_IMAGES] = "GL_PACK_SKIP_IMAGES";
673 }
674
675 ModeMap::iterator it = modeMap.find(type);
676 if (it == modeMap.end())
677 TCU_FAIL("Unknown mode name");
678 return it->second;
679 }
680
681 class RectangleTest : public deqp::TestCase
682 {
683 public:
684 RectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
685 virtual ~RectangleTest();
686
687 void resetInitialStorageModes();
688 void applyInitialStorageModes();
689 void testAllFormatsAndTypes();
690
691 virtual tcu::TestNode::IterateResult iterate(void);
692
693 protected:
694 void createGradient();
695 void swapBytes(int typeSize, std::vector<GLbyte>& dataBuffer);
696
697 template <typename Type>
698 void makeGradient(Type (*unpack)(float));
699
700 template <typename Type>
701 static Type unpackSizedComponents(float value, int s1, int s2, int s3, int s4);
702
703 template <typename Type>
704 static Type unpackSizedComponentsRev(float value, int s1, int s2, int s3, int s4);
705
706 static GLubyte unpack_UNSIGNED_BYTE(float value);
707 static GLbyte unpack_BYTE(float value);
708 static GLushort unpack_UNSIGNED_SHORT(float value);
709 static GLshort unpack_SHORT(float value);
710 static GLuint unpack_UNSIGNED_INT(float value);
711 static GLint unpack_INT(float value);
712 static GLhalf unpack_HALF_FLOAT(float value);
713 static GLfloat unpack_FLOAT(float value);
714 static GLubyte unpack_UNSIGNED_BYTE_3_3_2(float value);
715 static GLubyte unpack_UNSIGNED_BYTE_2_3_3_REV(float value);
716 static GLushort unpack_UNSIGNED_SHORT_5_6_5_REV(float value);
717 static GLushort unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value);
718 static GLushort unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value);
719 static GLuint unpack_UNSIGNED_INT_8_8_8_8(float value);
720 static GLuint unpack_UNSIGNED_INT_8_8_8_8_REV(float value);
721 static GLuint unpack_UNSIGNED_INT_10_10_10_2(float value);
722 static GLushort unpack_UNSIGNED_SHORT_5_6_5(float value);
723 static GLushort unpack_UNSIGNED_SHORT_4_4_4_4(float value);
724 static GLushort unpack_UNSIGNED_SHORT_5_5_5_1(float value);
725 static GLuint unpack_UNSIGNED_INT_2_10_10_10_REV(float value);
726 static GLuint unpack_UNSIGNED_INT_24_8(float value);
727 static GLuint unpack_UNSIGNED_INT_5_9_9_9_REV(float value);
728 static GLuint unpack_UNSIGNED_INT_10F_11F_11F_REV(float value);
729 static F_32_UINT_24_8_REV unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value);
730
731 bool isFormatValid(const PixelFormat& format, const PixelType& type, const struct InternalFormat& internalformat,
732 bool checkInput, bool checkOutput, int operation) const;
733 bool isUnsizedFormat(GLenum format) const;
734 bool isSRGBFormat(const InternalFormat& internalFormat) const;
735 bool isSNORMFormat(const InternalFormat& internalFormat) const;
736 bool isCopyValid(const InternalFormat& copyInternalFormat, const InternalFormat& internalFormat) const;
737 bool isFBOImageAttachValid(const InternalFormat& internalformat, GLenum format, GLenum type) const;
738
739 const PixelFormat& getPixelFormat(GLenum format) const;
740 const PixelType& getPixelType(GLenum type) const;
741 const EnumFormats* getCanonicalFormat(const InternalFormat& internalformat, GLenum format, GLenum type) const;
742 InternalFormatSamplerType getSampler(const PixelType& type, const PixelFormat& format) const;
743
744 GLenum readOutputData(const PixelFormat& outputFormat, const PixelType& outputType, int operation);
745
746 bool doCopy();
747
748 bool doCopyInner();
749
750 bool compare(GLvoid* gradient, GLvoid* data, const PixelFormat& outputFormat, const PixelType& outputType,
751 bool isCopy) const;
752
753 void getFloatBuffer(GLvoid* gradient, int samplerIsIntUintFloat, const PixelFormat& format, const PixelType& type,
754 int elementCount, std::vector<FloatPixel>& result) const;
755
756 void getBits(const PixelType& type, const PixelFormat& format, std::vector<int>& resultTable) const;
757
758 template <typename Type>
759 void makeBuffer(const GLvoid* gradient, const PixelFormat& format, int samplerIsIntUintFloat, int elementCount,
760 int componentCount, float (*pack)(Type), std::vector<FloatPixel>& result) const;
761
762 template <typename Type>
763 void makeBufferPackedInt(const GLvoid* gradient, const PixelFormat& format, int elementCount,
764 void (*pack)(rawIntPixel*, Type), std::vector<FloatPixel>& result) const;
765
766 template <typename Type>
767 void makeBufferPackedUint(const GLvoid* gradient, const PixelFormat& format, int elementCount,
768 void (*pack)(rawUintPixel*, Type), std::vector<FloatPixel>& result) const;
769
770 template <typename Type>
771 void makeBufferPackedFloat(const GLvoid* gradient, const PixelFormat& format, int elementCount,
772 void (*pack)(rawFloatPixel*, Type), std::vector<FloatPixel>& result) const;
773
774 FloatPixel orderComponentsInt(rawIntPixel values, const PixelFormat& format) const;
775 FloatPixel orderComponentsUint(rawUintPixel values, const PixelFormat& format) const;
776 FloatPixel orderComponentsFloat(rawFloatPixel values, const PixelFormat& format) const;
777
778 unsigned int getRealBitPrecision(int bits, bool isFloat) const;
779
780 bool stripBuffer(const PackedPixelsBufferProperties& props, const GLubyte* orginalBuffer,
781 std::vector<GLubyte>& newBuffer, bool validate) const;
782
783 int clampSignedValue(int bits, int value) const;
784 unsigned int clampUnsignedValue(int bits, unsigned int value) const;
785
786 static float pack_UNSIGNED_BYTE(GLubyte value);
787 static float pack_BYTE(GLbyte value);
788 static float pack_UNSIGNED_SHORT(GLushort value);
789 static float pack_SHORT(GLshort value);
790 static float pack_UNSIGNED_INT(GLuint value);
791 static float pack_INT(GLint value);
792 static float pack_HALF_FLOAT(GLhalf value);
793 static float pack_FLOAT(GLfloat value);
794 static void pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel* values, GLubyte value);
795 static void pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel* values, GLubyte value);
796 static void pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel* values, GLubyte value);
797 static void pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel* values, GLubyte value);
798 static void pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel* values, GLubyte value);
799 static void pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel* values, GLubyte value);
800 static void pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel* values, GLushort value);
801 static void pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel* values, GLushort value);
802 static void pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel* values, GLushort value);
803 static void pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel* values, GLushort value);
804 static void pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel* values, GLushort value);
805 static void pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel* values, GLushort value);
806 static void pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel* values, GLushort value);
807 static void pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel* values, GLushort value);
808 static void pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel* values, GLushort value);
809 static void pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel* values, GLushort value);
810 static void pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel* values, GLushort value);
811 static void pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel* values, GLushort value);
812 static void pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel* values, GLushort value);
813 static void pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel* values, GLushort value);
814 static void pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel* values, GLushort value);
815 static void pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel* values, GLushort value);
816 static void pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel* values, GLushort value);
817 static void pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel* values, GLushort value);
818 static void pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel* values, GLuint value);
819 static void pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel* values, GLuint value);
820 static void pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel* values, GLuint value);
821 static void pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel* values, GLuint value);
822 static void pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel* values, GLuint value);
823 static void pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel* values, GLuint value);
824 static void pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel* values, GLuint value);
825 static void pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel* values, GLuint value);
826 static void pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel* values, GLuint value);
827 static void pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel* values, GLuint value);
828 static void pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel* values, GLuint value);
829 static void pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel* values, GLuint value);
830 static void pack_UNSIGNED_INT_24_8(rawFloatPixel* values, GLuint value);
831 static void pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel* values, GLuint value);
832 static void pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel* values, GLuint value);
833 static void pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel* values, F_32_UINT_24_8_REV value);
834
835 bool getTexImage();
836 bool getTexImageInner(const PixelFormat& outputFormat, const PixelType& outputType);
837
838 bool doRead(GLuint texture);
839 bool readPixels(bool isCopy);
840 bool readPixelsInner(const PixelFormat& outputFormat, const PixelType& outputType, bool isCopy);
841
842 protected:
843 const InternalFormat m_internalFormat;
844
845 bool m_usePBO;
846 GLenum m_textureTarget;
847 PackedPixelsBufferProperties m_initialPackProperties;
848 PackedPixelsBufferProperties m_initialUnpackProperties;
849
850 std::vector<GLbyte> m_gradient;
851 const GLubyte m_defaultFillValue;
852
853 public:
854 // debuf counters
855 static int m_countReadPixels;
856 static int m_countReadPixelsOK;
857 static int m_countGetTexImage;
858 static int m_countGetTexImageOK;
859 static int m_countCompare;
860 static int m_countCompareOK;
861
862 private:
863 // those attribute change multiple times during test execution
864 PixelFormat m_inputFormat;
865 PixelType m_inputType;
866 InternalFormat m_copyInternalFormat;
867 PackedPixelsBufferProperties m_packProperties;
868 PackedPixelsBufferProperties m_unpackProperties;
869 std::vector<GLbyte> m_outputBuffer;
870 };
871
872 int RectangleTest::m_countReadPixels = 0;
873 int RectangleTest::m_countReadPixelsOK = 0;
874 int RectangleTest::m_countGetTexImage = 0;
875 int RectangleTest::m_countGetTexImageOK = 0;
876 int RectangleTest::m_countCompare = 0;
877 int RectangleTest::m_countCompareOK = 0;
878
RectangleTest(deqp::Context & context,std::string & name,InternalFormat internalFormat)879 RectangleTest::RectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
880 : deqp::TestCase(context, name.c_str(), "")
881 , m_internalFormat(internalFormat)
882 , m_usePBO(false)
883 , m_textureTarget(GL_TEXTURE_2D)
884 , m_defaultFillValue(0xaa)
885 {
886 }
887
~RectangleTest()888 RectangleTest::~RectangleTest()
889 {
890 }
891
resetInitialStorageModes()892 void RectangleTest::resetInitialStorageModes()
893 {
894 m_initialPackProperties.skipPixels = 0;
895 m_initialPackProperties.skipRows = 0;
896 m_initialPackProperties.rowLength = 0;
897 m_initialPackProperties.alignment = 4;
898 m_initialPackProperties.rowCount = 0;
899 m_initialPackProperties.skipImages = 0;
900 m_initialPackProperties.lsbFirst = 0;
901 m_initialPackProperties.swapBytes = 0;
902
903 m_initialUnpackProperties.skipPixels = 0;
904 m_initialUnpackProperties.skipRows = 0;
905 m_initialUnpackProperties.rowLength = 0;
906 m_initialUnpackProperties.alignment = 4;
907 m_initialUnpackProperties.rowCount = 0;
908 m_initialUnpackProperties.skipImages = 0;
909 m_initialUnpackProperties.lsbFirst = 0;
910 m_initialUnpackProperties.swapBytes = 0;
911 }
912
applyInitialStorageModes()913 void RectangleTest::applyInitialStorageModes()
914 {
915 glu::RenderContext& renderContext = m_context.getRenderContext();
916 const Functions& gl = renderContext.getFunctions();
917
918 PackedPixelsBufferProperties& up = m_initialUnpackProperties;
919 PackedPixelsBufferProperties& pp = m_initialPackProperties;
920
921 m_unpackProperties = up;
922 m_packProperties = pp;
923
924 gl.pixelStorei(GL_PACK_ROW_LENGTH, pp.rowLength);
925 gl.pixelStorei(GL_PACK_SKIP_ROWS, pp.skipRows);
926 gl.pixelStorei(GL_PACK_SKIP_PIXELS, pp.skipPixels);
927 gl.pixelStorei(GL_PACK_ALIGNMENT, pp.alignment);
928
929 gl.pixelStorei(GL_UNPACK_ROW_LENGTH, up.rowLength);
930 gl.pixelStorei(GL_UNPACK_SKIP_ROWS, up.skipRows);
931 gl.pixelStorei(GL_UNPACK_SKIP_PIXELS, up.skipPixels);
932 gl.pixelStorei(GL_UNPACK_ALIGNMENT, up.alignment);
933 gl.pixelStorei(GL_UNPACK_IMAGE_HEIGHT, up.rowCount);
934 gl.pixelStorei(GL_UNPACK_SKIP_IMAGES, up.skipImages);
935
936 if (!isContextTypeES(renderContext.getType()))
937 {
938 gl.pixelStorei(GL_PACK_IMAGE_HEIGHT, pp.rowCount);
939 gl.pixelStorei(GL_PACK_SKIP_IMAGES, pp.skipImages);
940
941 gl.pixelStorei(GL_PACK_SWAP_BYTES, pp.swapBytes);
942 gl.pixelStorei(GL_PACK_LSB_FIRST, pp.lsbFirst);
943
944 gl.pixelStorei(GL_UNPACK_SWAP_BYTES, up.swapBytes);
945 gl.pixelStorei(GL_UNPACK_LSB_FIRST, up.lsbFirst);
946 }
947 }
948
swapBytes(int typeSize,std::vector<GLbyte> & dataBuffer)949 void RectangleTest::swapBytes(int typeSize, std::vector<GLbyte>& dataBuffer)
950 {
951 int bufferSize = static_cast<int>(dataBuffer.size());
952 switch (typeSize)
953 {
954 case 1:
955 break; // no swapping
956 case 2:
957 {
958 GLushort* data = reinterpret_cast<GLushort*>(&dataBuffer[0]);
959 for (int i = 0; i < bufferSize / 2; i++)
960 {
961 GLushort v = data[i];
962 data[i] = ((v & 0xff) << 8) + ((v & 0xff00) >> 8);
963 }
964 break;
965 }
966 case 4:
967 case 8: // typeSize is 2 x 32bit, behaves the same this time
968 {
969 GLuint* data = reinterpret_cast<GLuint*>(&dataBuffer[0]);
970 for (int i = 0; i < bufferSize / 4; i++)
971 {
972 GLuint v = data[i];
973 data[i] = ((v & 0xff) << 24) + ((v & 0xff00) << 8) + ((v & 0xff0000) >> 8) + ((v & 0xff000000) >> 24);
974 }
975 break;
976 }
977 default:
978 TCU_FAIL("Invalid size for swapBytes");
979 }
980 }
981
getPixelFormat(GLenum format) const982 const PixelFormat& RectangleTest::getPixelFormat(GLenum format) const
983 {
984 const PixelFormat* formats;
985 int formatsCount;
986 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
987 {
988 formats = esFormats;
989 formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
990 }
991 else
992 {
993 formats = coreFormats;
994 formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
995 }
996
997 // Look up pixel format from a GL enum
998 for (int i = 0; i < formatsCount; i++)
999 {
1000 if (formats[i].format == format)
1001 return formats[i];
1002 }
1003
1004 TCU_FAIL("Unsuported format.");
1005 return formats[0];
1006 }
1007
getPixelType(GLenum type) const1008 const PixelType& RectangleTest::getPixelType(GLenum type) const
1009 {
1010 const PixelType* types;
1011 int typesCount;
1012 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
1013 {
1014 types = esTypes;
1015 typesCount = DE_LENGTH_OF_ARRAY(esTypes);
1016 }
1017 else
1018 {
1019 types = coreTypes;
1020 typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
1021 }
1022
1023 for (int i = 0; i < typesCount; i++)
1024 {
1025 if (types[i].type == type)
1026 return types[i];
1027 }
1028
1029 TCU_FAIL("Unsuported type.");
1030 return types[0];
1031 }
1032
getCanonicalFormat(const InternalFormat & internalformat,GLenum format,GLenum type) const1033 const EnumFormats* RectangleTest::getCanonicalFormat(const InternalFormat& internalformat, GLenum format,
1034 GLenum type) const
1035 {
1036 // function returns a canonical format from internal format. for example
1037 // GL_RGBA16F => { GL_RGBA, GL_FLOAT }; used mostly for GLES tests
1038
1039 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
1040 {
1041 for (int i = 0; i < DE_LENGTH_OF_ARRAY(esValidFormats); ++i)
1042 {
1043 if ((esValidFormats[i].internalformat == internalformat.sizedFormat) &&
1044 (esValidFormats[i].format == format) && (esValidFormats[i].type == type))
1045 {
1046 return &(esValidFormats[i]);
1047 }
1048 }
1049
1050 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1051 if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV"))
1052 {
1053 for (int i = 0; i < DE_LENGTH_OF_ARRAY(validformats_EXT_texture_type_2_10_10_10_REV); ++i)
1054 {
1055 if (validformats_EXT_texture_type_2_10_10_10_REV[i].internalformat == internalformat.sizedFormat &&
1056 validformats_EXT_texture_type_2_10_10_10_REV[i].format == format &&
1057 validformats_EXT_texture_type_2_10_10_10_REV[i].type == type)
1058 {
1059 return &(validformats_EXT_texture_type_2_10_10_10_REV[i]);
1060 }
1061 }
1062
1063 if (contextInfo.isExtensionSupported("GL_OES_required_internalformat"))
1064 {
1065 for (int i = 0; i < DE_LENGTH_OF_ARRAY(validformats_OES_required_internalformat); ++i)
1066 {
1067 if (validformats_OES_required_internalformat[i].internalformat == internalformat.sizedFormat &&
1068 validformats_OES_required_internalformat[i].format == format &&
1069 validformats_OES_required_internalformat[i].type == type)
1070 {
1071 return &(validformats_OES_required_internalformat[i]);
1072 }
1073 }
1074 }
1075 }
1076 }
1077 else
1078 {
1079 for (int i = 0; i < DE_LENGTH_OF_ARRAY(coreValidFormats); ++i)
1080 {
1081 if ((coreValidFormats[i].internalformat == internalformat.sizedFormat) &&
1082 (coreValidFormats[i].format == format) && (coreValidFormats[i].type == type))
1083 {
1084 return &(coreValidFormats[i]);
1085 }
1086 }
1087 }
1088
1089 return 0;
1090 }
1091
getSampler(const PixelType & type,const PixelFormat & format) const1092 InternalFormatSamplerType RectangleTest::getSampler(const PixelType& type, const PixelFormat& format) const
1093 {
1094 switch (type.storage)
1095 {
1096 case STORAGE_FLOAT:
1097 return SAMPLER_FLOAT;
1098
1099 case STORAGE_UNSIGNED:
1100 if ((format.componentFormat == FORMAT_COLOR_INTEGER) || (format.componentFormat == FORMAT_STENCIL))
1101 return SAMPLER_UINT;
1102 return SAMPLER_UNORM;
1103
1104 case STORAGE_SIGNED:
1105 if (format.componentFormat == FORMAT_COLOR_INTEGER)
1106 return SAMPLER_INT;
1107 return SAMPLER_NORM;
1108
1109 default:
1110 TCU_FAIL("Invalid storage specifier");
1111 }
1112 }
1113
createGradient()1114 void RectangleTest::createGradient()
1115 {
1116 switch (m_inputType.type)
1117 {
1118 case GL_UNSIGNED_BYTE:
1119 makeGradient(unpack_UNSIGNED_BYTE);
1120 break;
1121 case GL_BYTE:
1122 makeGradient<GLbyte>(unpack_BYTE);
1123 break;
1124 case GL_UNSIGNED_SHORT:
1125 makeGradient<GLushort>(unpack_UNSIGNED_SHORT);
1126 break;
1127 case GL_SHORT:
1128 makeGradient<GLshort>(unpack_SHORT);
1129 break;
1130 case GL_UNSIGNED_INT:
1131 makeGradient<GLuint>(unpack_UNSIGNED_INT);
1132 break;
1133 case GL_INT:
1134 makeGradient<GLint>(unpack_INT);
1135 break;
1136 case GL_HALF_FLOAT:
1137 makeGradient<GLhalf>(unpack_HALF_FLOAT);
1138 break;
1139 case GL_FLOAT:
1140 makeGradient<GLfloat>(unpack_FLOAT);
1141 break;
1142 case GL_UNSIGNED_SHORT_5_6_5:
1143 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_6_5);
1144 break;
1145 case GL_UNSIGNED_SHORT_4_4_4_4:
1146 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_4_4_4_4);
1147 break;
1148 case GL_UNSIGNED_SHORT_5_5_5_1:
1149 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_5_5_1);
1150 break;
1151 case GL_UNSIGNED_INT_2_10_10_10_REV:
1152 makeGradient<GLuint>(unpack_UNSIGNED_INT_2_10_10_10_REV);
1153 break;
1154 case GL_UNSIGNED_INT_24_8:
1155 makeGradient<GLuint>(unpack_UNSIGNED_INT_24_8);
1156 break;
1157 case GL_UNSIGNED_INT_10F_11F_11F_REV:
1158 makeGradient<GLuint>(unpack_UNSIGNED_INT_10F_11F_11F_REV);
1159 break;
1160 case GL_UNSIGNED_INT_5_9_9_9_REV:
1161 makeGradient<GLuint>(unpack_UNSIGNED_INT_5_9_9_9_REV);
1162 break;
1163 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
1164 makeGradient<F_32_UINT_24_8_REV>(unpack_FLOAT_32_UNSIGNED_INT_24_8_REV);
1165 break;
1166 case GL_UNSIGNED_BYTE_3_3_2:
1167 makeGradient<GLubyte>(unpack_UNSIGNED_BYTE_3_3_2);
1168 break;
1169 case GL_UNSIGNED_BYTE_2_3_3_REV:
1170 makeGradient<GLubyte>(unpack_UNSIGNED_BYTE_2_3_3_REV);
1171 break;
1172 case GL_UNSIGNED_SHORT_5_6_5_REV:
1173 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_6_5_REV);
1174 break;
1175 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
1176 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_4_4_4_4_REV);
1177 break;
1178 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
1179 makeGradient<GLushort>(unpack_UNSIGNED_SHORT_1_5_5_5_REV);
1180 break;
1181 case GL_UNSIGNED_INT_8_8_8_8:
1182 makeGradient<GLuint>(unpack_UNSIGNED_INT_8_8_8_8);
1183 break;
1184 case GL_UNSIGNED_INT_8_8_8_8_REV:
1185 makeGradient<GLuint>(unpack_UNSIGNED_INT_8_8_8_8_REV);
1186 break;
1187 case GL_UNSIGNED_INT_10_10_10_2:
1188 makeGradient<GLuint>(unpack_UNSIGNED_INT_10_10_10_2);
1189 break;
1190 default:
1191 TCU_FAIL("Unsupported type");
1192 }
1193 }
1194
1195 template <typename Type>
makeGradient(Type (* unpack)(float))1196 void RectangleTest::makeGradient(Type (*unpack)(float))
1197 {
1198 // number of elements in a group
1199 int elementsInGroup = m_inputFormat.components;
1200 if (m_inputType.special)
1201 elementsInGroup = 1;
1202
1203 int rowCount = m_unpackProperties.rowCount;
1204 if (rowCount == 0)
1205 rowCount = GRADIENT_HEIGHT + m_unpackProperties.skipRows;
1206
1207 // number of groups in the row
1208 int rowLength = m_unpackProperties.rowLength;
1209 if (rowLength == 0)
1210 rowLength = GRADIENT_WIDTH + m_unpackProperties.skipPixels;
1211
1212 int elementSize = m_inputType.size;
1213
1214 // row size (in elements)
1215 int elementsInRowNoAlign = elementsInGroup * rowLength;
1216 int elementsInRow = elementsInRowNoAlign;
1217 if (elementSize < m_unpackProperties.alignment)
1218 {
1219 int alignment = m_unpackProperties.alignment;
1220 elementsInRow = (int)(alignment * deFloatCeil(elementSize * elementsInGroup * rowLength / ((float)alignment))) /
1221 elementSize;
1222 }
1223
1224 if (m_textureTarget == GL_TEXTURE_2D)
1225 m_unpackProperties.skipImages = 0;
1226
1227 // "depth" will be 1 + skipped image layers.
1228 // We still want to work on a 2D-ish image later.
1229 int depth = 1 + m_unpackProperties.skipImages;
1230
1231 m_unpackProperties.elementsInGroup = elementsInGroup;
1232 m_unpackProperties.rowCount = rowCount;
1233 m_unpackProperties.rowLength = rowLength;
1234 m_unpackProperties.elementSize = elementSize;
1235 m_unpackProperties.elementsInRowNoAlign = elementsInRowNoAlign;
1236 m_unpackProperties.elementsInRow = elementsInRow;
1237 m_unpackProperties.imagesCount = depth;
1238
1239 // element size * elements in row * number of rows * number of 2d images
1240 std::size_t bufferSize = elementSize * elementsInRow * rowCount * depth;
1241
1242 m_gradient.resize(bufferSize);
1243 Type* data = reinterpret_cast<Type*>(&m_gradient[0]);
1244
1245 std::size_t dataToSkip = m_unpackProperties.skipImages * rowCount * elementsInRow;
1246 std::size_t index = dataToSkip;
1247 const Type defaultValue = unpack(0.5f);
1248 std::fill(data, data + dataToSkip, defaultValue);
1249
1250 for (int k = m_unpackProperties.skipImages; k < depth; k++)
1251 {
1252 for (int j = 0; j < rowCount; j++)
1253 {
1254 for (int i = 0; i < elementsInRow; i++)
1255 {
1256 DE_ASSERT(index < bufferSize);
1257 int x = i / elementsInGroup;
1258 if ((k == depth - 1) && (m_unpackProperties.skipRows <= j) &&
1259 (j < m_unpackProperties.skipRows + GRADIENT_HEIGHT) && (m_unpackProperties.skipPixels <= x) &&
1260 (x < m_unpackProperties.skipPixels + GRADIENT_WIDTH))
1261 {
1262 float value = static_cast<float>(x - m_unpackProperties.skipPixels) / GRADIENT_WIDTH;
1263 int channel = i - elementsInGroup * x;
1264 value *= 1.0f - 0.25f * channel;
1265 data[index] = unpack(value);
1266 }
1267 else
1268 {
1269 data[index] = defaultValue;
1270 }
1271 index++;
1272 }
1273 }
1274 }
1275 }
1276
1277 template <typename Type>
unpackSizedComponents(float value,int s1,int s2,int s3,int s4)1278 Type RectangleTest::unpackSizedComponents(float value, int s1, int s2, int s3, int s4)
1279 {
1280 int typeBits = sizeof(Type) * 8;
1281 double v = static_cast<double>(value);
1282 Type c1 = static_cast<Type>(v * 1.00 * ((1 << s1) - 1));
1283 Type c2 = static_cast<Type>(v * 0.75 * ((1 << s2) - 1));
1284 Type c3 = static_cast<Type>(v * 0.50 * ((1 << s3) - 1));
1285 Type c4 = static_cast<Type>(v * 0.25 * ((1 << s4) - 1));
1286 return ((c1) << (typeBits - s1)) | ((c2) << (typeBits - s1 - s2)) | ((c3) << (typeBits - s1 - s2 - s3)) |
1287 ((c4) << (typeBits - s1 - s2 - s3 - s4));
1288 }
1289
1290 template <typename Type>
unpackSizedComponentsRev(float value,int s1,int s2,int s3,int s4)1291 Type RectangleTest::unpackSizedComponentsRev(float value, int s1, int s2, int s3, int s4)
1292 {
1293 int typeBits = sizeof(Type) * 8;
1294 double v = static_cast<double>(value);
1295 Type c1 = static_cast<Type>(v * 1.00 * ((1 << s4) - 1));
1296 Type c2 = static_cast<Type>(v * 0.75 * ((1 << s3) - 1));
1297 Type c3 = static_cast<Type>(v * 0.50 * ((1 << s2) - 1));
1298 Type c4 = static_cast<Type>(v * 0.25 * ((1 << s1) - 1));
1299 return ((c4) << (typeBits - s1)) | ((c3) << (typeBits - s1 - s2)) | ((c2) << (typeBits - s1 - s2 - s3)) |
1300 ((c1) << (typeBits - s1 - s2 - s3 - s4));
1301 }
1302
unpack_UNSIGNED_BYTE(float value)1303 GLubyte RectangleTest::unpack_UNSIGNED_BYTE(float value)
1304 {
1305 return static_cast<GLubyte>(value * std::numeric_limits<GLubyte>::max());
1306 }
1307
unpack_BYTE(float value)1308 GLbyte RectangleTest::unpack_BYTE(float value)
1309 {
1310 return static_cast<GLbyte>(value * std::numeric_limits<GLbyte>::max());
1311 }
1312
unpack_UNSIGNED_SHORT(float value)1313 GLushort RectangleTest::unpack_UNSIGNED_SHORT(float value)
1314 {
1315 return static_cast<GLushort>(value * std::numeric_limits<GLushort>::max());
1316 }
1317
unpack_SHORT(float value)1318 GLshort RectangleTest::unpack_SHORT(float value)
1319 {
1320 return static_cast<GLshort>(value * std::numeric_limits<GLshort>::max());
1321 }
1322
unpack_UNSIGNED_INT(float value)1323 GLuint RectangleTest::unpack_UNSIGNED_INT(float value)
1324 {
1325 return static_cast<GLuint>(value * std::numeric_limits<GLuint>::max());
1326 }
1327
unpack_INT(float value)1328 GLint RectangleTest::unpack_INT(float value)
1329 {
1330 return static_cast<GLint>(value * std::numeric_limits<GLint>::max());
1331 }
1332
unpack_HALF_FLOAT(float value)1333 GLhalf RectangleTest::unpack_HALF_FLOAT(float value)
1334 {
1335 return floatToHalfFloat(value);
1336 }
1337
unpack_FLOAT(float value)1338 GLfloat RectangleTest::unpack_FLOAT(float value)
1339 {
1340 return value;
1341 }
1342
unpack_UNSIGNED_BYTE_3_3_2(float value)1343 GLubyte RectangleTest::unpack_UNSIGNED_BYTE_3_3_2(float value)
1344 {
1345 return unpackSizedComponents<GLubyte>(value, 3, 3, 2, 0);
1346 }
1347
unpack_UNSIGNED_BYTE_2_3_3_REV(float value)1348 GLubyte RectangleTest::unpack_UNSIGNED_BYTE_2_3_3_REV(float value)
1349 {
1350 return unpackSizedComponentsRev<GLubyte>(value, 2, 3, 3, 0);
1351 }
1352
unpack_UNSIGNED_SHORT_5_6_5_REV(float value)1353 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5_REV(float value)
1354 {
1355 return unpackSizedComponentsRev<GLushort>(value, 5, 6, 5, 0);
1356 }
1357
unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value)1358 GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value)
1359 {
1360 return unpackSizedComponentsRev<GLushort>(value, 4, 4, 4, 4);
1361 }
1362
unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value)1363 GLushort RectangleTest::unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value)
1364 {
1365 return unpackSizedComponentsRev<GLushort>(value, 1, 5, 5, 5);
1366 }
1367
unpack_UNSIGNED_INT_8_8_8_8(float value)1368 GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8(float value)
1369 {
1370 return unpackSizedComponents<GLuint>(value, 8, 8, 8, 8);
1371 }
1372
unpack_UNSIGNED_INT_8_8_8_8_REV(float value)1373 GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8_REV(float value)
1374 {
1375 return unpackSizedComponentsRev<GLuint>(value, 8, 8, 8, 8);
1376 }
1377
unpack_UNSIGNED_INT_10_10_10_2(float value)1378 GLuint RectangleTest::unpack_UNSIGNED_INT_10_10_10_2(float value)
1379 {
1380 return unpackSizedComponents<GLuint>(value, 10, 10, 10, 2);
1381 }
1382
unpack_UNSIGNED_SHORT_5_6_5(float value)1383 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5(float value)
1384 {
1385 return unpackSizedComponents<GLushort>(value, 5, 6, 5, 0);
1386 }
1387
unpack_UNSIGNED_SHORT_4_4_4_4(float value)1388 GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4(float value)
1389 {
1390 return unpackSizedComponents<GLushort>(value, 4, 4, 4, 4);
1391 }
1392
unpack_UNSIGNED_SHORT_5_5_5_1(float value)1393 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_5_5_1(float value)
1394 {
1395 return unpackSizedComponents<GLushort>(value, 5, 5, 5, 1);
1396 }
1397
unpack_UNSIGNED_INT_2_10_10_10_REV(float value)1398 GLuint RectangleTest::unpack_UNSIGNED_INT_2_10_10_10_REV(float value)
1399 {
1400 return unpackSizedComponentsRev<GLuint>(value, 2, 10, 10, 10);
1401 }
1402
unpack_UNSIGNED_INT_24_8(float value)1403 GLuint RectangleTest::unpack_UNSIGNED_INT_24_8(float value)
1404 {
1405 return unpackSizedComponents<GLuint>(value, 24, 8, 0, 0);
1406 }
1407
unpack_UNSIGNED_INT_5_9_9_9_REV(float value)1408 GLuint RectangleTest::unpack_UNSIGNED_INT_5_9_9_9_REV(float value)
1409 {
1410 const int N = 9;
1411 const int B = 15;
1412 const int E_max = 31;
1413
1414 GLfloat red = value * 1.00f;
1415 GLfloat green = value * 0.75f;
1416 GLfloat blue = value * 0.50f;
1417
1418 GLfloat sharedExpMax = (deFloatPow(2.0f, (float)N) - 1.0f) / deFloatPow(2.0f, (float)N) * deFloatPow(2.0f, (float)(E_max - B));
1419
1420 GLfloat red_c = deFloatMax(0, deFloatMin(sharedExpMax, red));
1421 GLfloat green_c = deFloatMax(0, deFloatMin(sharedExpMax, green));
1422 GLfloat blue_c = deFloatMax(0, deFloatMin(sharedExpMax, blue));
1423
1424 GLfloat max_c = deFloatMax(deFloatMax(red_c, green_c), blue_c);
1425
1426 GLfloat exp_p = deFloatMax(-B - 1, deFloatFloor(deFloatLog2(max_c))) + 1 + B;
1427
1428 GLfloat max_s = deFloatFloor(max_c / deFloatPow(2.0f, exp_p - (float)B - (float)N) + 0.5f);
1429
1430 GLfloat exp_s;
1431
1432 if (0 <= max_s && max_s < deFloatPow(2.0f, (float)N))
1433 exp_s = exp_p;
1434 else
1435 exp_s = exp_p + 1;
1436
1437 GLfloat red_s = deFloatFloor(red_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1438 GLfloat green_s = deFloatFloor(green_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1439 GLfloat blue_s = deFloatFloor(blue_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1440
1441 GLuint c1 = (static_cast<GLuint>(red_s)) & 511;
1442 GLuint c2 = (static_cast<GLuint>(green_s)) & 511;
1443 GLuint c3 = (static_cast<GLuint>(blue_s)) & 511;
1444 GLuint c4 = (static_cast<GLuint>(exp_s)) & 31;
1445
1446 return (c1) | (c2 << 9) | (c3 << 18) | (c4 << 27);
1447 }
1448
unpack_UNSIGNED_INT_10F_11F_11F_REV(float value)1449 GLuint RectangleTest::unpack_UNSIGNED_INT_10F_11F_11F_REV(float value)
1450 {
1451 GLuint c1 = floatToUnisgnedF11(value * 1.00f);
1452 GLuint c2 = floatToUnisgnedF11(value * 0.75f);
1453 GLuint c3 = floatToUnisgnedF10(value * 0.50f);
1454 return (c3 << 22) | (c2 << 11) | (c1);
1455 }
1456
unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value)1457 F_32_UINT_24_8_REV RectangleTest::unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value)
1458 {
1459 F_32_UINT_24_8_REV ret;
1460 ret.d = value;
1461 ret.s = (GLuint)(value * 255.0 * 0.75);
1462 ret.s &= 0xff;
1463 return ret;
1464 }
1465
isFormatValid(const PixelFormat & format,const PixelType & type,const struct InternalFormat & internalformat,bool checkInput,bool checkOutput,int operation) const1466 bool RectangleTest::isFormatValid(const PixelFormat& format, const PixelType& type,
1467 const struct InternalFormat& internalformat, bool checkInput, bool checkOutput,
1468 int operation) const
1469 {
1470 glu::RenderContext& renderContext = m_context.getRenderContext();
1471 glu::ContextType contextType = renderContext.getType();
1472 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1473 const Functions& gl = renderContext.getFunctions();
1474
1475 int i;
1476
1477 // Test the combination of input format, input type and internalFormat
1478 if (glu::isContextTypeES(contextType))
1479 {
1480 if (checkInput)
1481 {
1482 // GLES30 has more restricted requirement on combination than GL for input
1483 for (i = 0; i < DE_LENGTH_OF_ARRAY(esValidFormats); ++i)
1484 {
1485 if (internalformat.sizedFormat == esValidFormats[i].internalformat &&
1486 format.format == esValidFormats[i].format && type.type == esValidFormats[i].type)
1487 {
1488 break;
1489 }
1490 }
1491
1492 if (i == DE_LENGTH_OF_ARRAY(esValidFormats))
1493 {
1494 // Check for support of OES_texture_float extension
1495 if (((GL_LUMINANCE_ALPHA == format.format) && (GL_LUMINANCE_ALPHA == internalformat.sizedFormat)) ||
1496 ((GL_LUMINANCE == format.format) && (GL_LUMINANCE == internalformat.sizedFormat)) ||
1497 ((GL_ALPHA == format.format) && (GL_ALPHA == internalformat.sizedFormat)) ||
1498 ((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
1499 ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
1500 {
1501 if ((contextInfo.isExtensionSupported("GL_OES_texture_float") && (GL_FLOAT == type.type)) ||
1502 (contextInfo.isExtensionSupported("GL_OES_texture_half_float") &&
1503 (GL_HALF_FLOAT_OES == type.type)))
1504 {
1505 return true;
1506 }
1507 }
1508
1509 // Check for support of EXT_texture_type_2_10_10_10_REV extension
1510 if (((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
1511 ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
1512 {
1513 if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
1514 ((GL_UNSIGNED_INT_2_10_10_10_REV_EXT == type.type)))
1515 return true;
1516 }
1517
1518 // Check for support of NV_packed_float extension
1519 if ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat))
1520 {
1521 if (contextInfo.isExtensionSupported("GL_NV_packed_float") &&
1522 ((GL_UNSIGNED_INT_10F_11F_11F_REV == type.type)))
1523 return true;
1524 }
1525
1526 // Check for support of EXT_texture_type_2_10_10_10_REV and GL_OES_required_internalformat extensions
1527 if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
1528 contextInfo.isExtensionSupported("GL_OES_required_internalformat"))
1529 {
1530 for (i = 0; i < DE_LENGTH_OF_ARRAY(validformats_OES_required_internalformat); ++i)
1531 {
1532 if (internalformat.sizedFormat == validformats_OES_required_internalformat[i].internalformat &&
1533 format.format == validformats_OES_required_internalformat[i].format &&
1534 type.type == validformats_OES_required_internalformat[i].type)
1535 {
1536 return true;
1537 }
1538 }
1539 }
1540
1541 return false;
1542 }
1543
1544 if ((m_textureTarget == GL_TEXTURE_3D) &&
1545 ((format.format == GL_DEPTH_COMPONENT) || (format.format == GL_DEPTH_STENCIL)))
1546 return false;
1547 }
1548 else if (checkOutput)
1549 {
1550 // GLES30 has more restricted requirement on combination than GL for output
1551 // As stated in Section Reading Pixels
1552 InternalFormatSamplerType sampler = internalformat.sampler;
1553
1554 const PixelFormat& inputFormat = getPixelFormat(internalformat.format);
1555
1556 if (inputFormat.attachment == GL_DEPTH_ATTACHMENT && contextInfo.isExtensionSupported("GL_NV_read_depth") &&
1557 format.format == GL_DEPTH_COMPONENT &&
1558 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
1559 (sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
1560 type.type == GL_UNSIGNED_INT_24_8))))
1561 {
1562 return true;
1563 }
1564
1565 if (inputFormat.attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
1566 contextInfo.isExtensionSupported("GL_NV_read_depth_stencil") &&
1567 ((format.format == GL_DEPTH_STENCIL &&
1568 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) ||
1569 (sampler != SAMPLER_FLOAT && type.type == GL_UNSIGNED_INT_24_8))) ||
1570 (format.format == GL_DEPTH_COMPONENT &&
1571 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
1572 (sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
1573 type.type == GL_UNSIGNED_INT_24_8))))))
1574 {
1575 return true;
1576 }
1577
1578 if (inputFormat.attachment != GL_COLOR_ATTACHMENT0)
1579 {
1580 return false;
1581 }
1582
1583 if ((sampler == SAMPLER_UNORM) && (((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGB) &&
1584 (internalformat.sizedFormat == GL_SRGB8)) ||
1585 ((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
1586 (internalformat.sizedFormat == GL_SRGB8_ALPHA8))) &&
1587 contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
1588 {
1589 return true;
1590 }
1591
1592 if ((sampler == SAMPLER_NORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
1593 ((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
1594 (internalformat.sizedFormat == GL_RGBA8_SNORM) || (internalformat.sizedFormat == GL_R16_SNORM) ||
1595 (internalformat.sizedFormat == GL_RG16_SNORM) || (internalformat.sizedFormat == GL_RGBA16_SNORM)) &&
1596 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1597 {
1598 return true;
1599 }
1600
1601 if ((sampler == SAMPLER_NORM) && (type.type == GL_BYTE) && (format.format == GL_RGBA) &&
1602 ((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
1603 (internalformat.sizedFormat == GL_RGBA8_SNORM)) &&
1604 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1605 {
1606 return true;
1607 }
1608
1609 GLint implementType;
1610 GLint implementFormat;
1611 gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &implementType);
1612 gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &implementFormat);
1613 GLenum err = gl.getError();
1614 GLenum implementTypeEnum = static_cast<GLenum>(implementType);
1615 GLenum implementFormatEnum = static_cast<GLenum>(implementFormat);
1616
1617 if (((sampler == SAMPLER_UNORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA)) ||
1618 ((sampler == SAMPLER_UINT) && (type.type == GL_UNSIGNED_INT) && (format.format == GL_RGBA_INTEGER)) ||
1619 ((sampler == SAMPLER_INT) && (type.type == GL_INT) && (format.format == GL_RGBA_INTEGER)) ||
1620 ((sampler == SAMPLER_FLOAT) && (type.type == GL_FLOAT) && (format.format == GL_RGBA)) ||
1621 ((err == GL_NO_ERROR) && (type.type == implementTypeEnum) && (format.format == implementFormatEnum)) ||
1622 ((internalformat.sizedFormat == GL_RGB10_A2) && (type.type == GL_UNSIGNED_INT_2_10_10_10_REV) &&
1623 (format.format == GL_RGBA)))
1624 {
1625 return true;
1626 }
1627 else
1628 {
1629 return false;
1630 }
1631 }
1632 }
1633 else
1634 {
1635 if (format.format == GL_DEPTH_STENCIL)
1636 {
1637 if (type.type != GL_UNSIGNED_INT_24_8 && type.type != GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
1638 {
1639 return false;
1640 }
1641 }
1642
1643 if ((format.componentFormat == FORMAT_COLOR_INTEGER) && (type.type == GL_FLOAT || type.type == GL_HALF_FLOAT))
1644 {
1645 return false;
1646 }
1647
1648 if ((internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_STENCIL_INDEX ||
1649 internalformat.baseFormat == GL_DEPTH_COMPONENT) !=
1650 (format.format == GL_DEPTH_STENCIL || format.format == GL_STENCIL_INDEX ||
1651 format.format == GL_DEPTH_COMPONENT))
1652 {
1653 return false;
1654 }
1655
1656 if (operation == INPUT_TEXIMAGE)
1657 {
1658 if (format.format == GL_STENCIL_INDEX || internalformat.baseFormat == GL_STENCIL_INDEX)
1659 {
1660 return false;
1661 }
1662
1663 if ((format.format == GL_DEPTH_COMPONENT || format.format == GL_DEPTH_STENCIL) &&
1664 !(internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_DEPTH_COMPONENT))
1665 {
1666 return false;
1667 }
1668 }
1669 else if (operation == OUTPUT_GETTEXIMAGE)
1670 {
1671 if ((format.format == GL_STENCIL_INDEX &&
1672 ((internalformat.baseFormat != GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL) ||
1673 !contextInfo.isExtensionSupported("GL_ARB_texture_stencil8"))))
1674 {
1675 return false;
1676 }
1677
1678 if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
1679 {
1680 return false;
1681 }
1682 }
1683 else if (operation == OUTPUT_READPIXELS)
1684 {
1685 if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
1686 {
1687 return false;
1688 }
1689
1690 if (format.format == GL_DEPTH_COMPONENT && internalformat.baseFormat != GL_DEPTH_STENCIL &&
1691 internalformat.baseFormat != GL_DEPTH_COMPONENT)
1692 {
1693 return false;
1694 }
1695
1696 if (format.format == GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL &&
1697 internalformat.baseFormat != GL_STENCIL_INDEX)
1698 {
1699 return false;
1700 }
1701 }
1702
1703 if (type.special == true)
1704 {
1705 bool valid = false;
1706
1707 for (i = 0; i < DE_LENGTH_OF_ARRAY(coreValidFormats); ++i)
1708 {
1709 if (coreValidFormats[i].format == format.format && coreValidFormats[i].type == type.type)
1710 {
1711 valid = true;
1712 break;
1713 }
1714 }
1715
1716 if (!valid)
1717 return false;
1718 }
1719
1720 if ((format.componentFormat == FORMAT_COLOR_INTEGER) &&
1721 !(internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
1722 {
1723 return false;
1724 }
1725
1726 if (!(format.componentFormat == FORMAT_COLOR_INTEGER) &&
1727 (internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
1728 {
1729 return false;
1730 }
1731
1732 if ((m_textureTarget == GL_TEXTURE_3D) &&
1733 ((internalformat.baseFormat == GL_DEPTH_COMPONENT) || (internalformat.baseFormat == GL_DEPTH_STENCIL) ||
1734 (internalformat.sizedFormat == GL_COMPRESSED_RED_RGTC1) ||
1735 (internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RED_RGTC1) ||
1736 (internalformat.sizedFormat == GL_COMPRESSED_RG_RGTC2) ||
1737 (internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RG_RGTC2)))
1738 {
1739 return false;
1740 }
1741 }
1742
1743 return true;
1744 }
1745
isUnsizedFormat(GLenum format) const1746 bool RectangleTest::isUnsizedFormat(GLenum format) const
1747 {
1748 GLenum formats[] = { GL_RGBA, GL_RGB, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA };
1749 GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
1750 return (std::find(formats, formatsEnd, format) < formatsEnd);
1751 }
1752
isSRGBFormat(const InternalFormat & internalFormat) const1753 bool RectangleTest::isSRGBFormat(const InternalFormat& internalFormat) const
1754 {
1755 return (internalFormat.sizedFormat == GL_SRGB8) || (internalFormat.sizedFormat == GL_SRGB8_ALPHA8);
1756 }
1757
isSNORMFormat(const InternalFormat & internalFormat) const1758 bool RectangleTest::isSNORMFormat(const InternalFormat& internalFormat) const
1759 {
1760 GLenum formats[] = { GL_R8_SNORM, GL_RG8_SNORM, GL_RGB8_SNORM, GL_RGBA8_SNORM,
1761 GL_R16_SNORM, GL_RG16_SNORM, GL_RGB16_SNORM, GL_RGBA16_SNORM };
1762 GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
1763 return (std::find(formats, formatsEnd, internalFormat.sizedFormat) < formatsEnd);
1764 }
1765
isCopyValid(const InternalFormat & copyInternalFormat,const InternalFormat & internalFormat) const1766 bool RectangleTest::isCopyValid(const InternalFormat& copyInternalFormat, const InternalFormat& internalFormat) const
1767 {
1768 // check if copy between two internal formats is allowed
1769
1770 int b1 = getPixelFormat(internalFormat.format).components;
1771 int b2 = getPixelFormat(copyInternalFormat.format).components;
1772
1773 if (b2 > b1)
1774 return false;
1775
1776 //Check that the types can be converted in CopyTexImage.
1777 if (((copyInternalFormat.sampler == SAMPLER_UINT) && (internalFormat.sampler != SAMPLER_UINT)) ||
1778 ((copyInternalFormat.sampler == SAMPLER_INT) && (internalFormat.sampler != SAMPLER_INT)) ||
1779 (((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
1780 (copyInternalFormat.sampler == SAMPLER_NORM)) &&
1781 (!((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
1782 (internalFormat.sampler == SAMPLER_NORM)))))
1783 {
1784 return false;
1785 }
1786
1787 // Core GL is less restricted then ES - check it first
1788 if (!glu::isContextTypeES(m_context.getRenderContext().getType()))
1789 {
1790 if ((copyInternalFormat.format == GL_DEPTH_COMPONENT && internalFormat.format != GL_DEPTH_COMPONENT) ||
1791 (copyInternalFormat.format == GL_DEPTH_STENCIL && internalFormat.format != GL_DEPTH_STENCIL) ||
1792 (copyInternalFormat.format == GL_ALPHA && internalFormat.format != GL_ALPHA) ||
1793 (copyInternalFormat.format == GL_LUMINANCE && internalFormat.format != GL_LUMINANCE) ||
1794 (copyInternalFormat.format == GL_LUMINANCE_ALPHA && internalFormat.format != GL_LUMINANCE_ALPHA))
1795 {
1796 return false;
1797 }
1798
1799 return true;
1800 }
1801
1802 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1803
1804 // GLES30 has more restricted requirement on glCopyTexImage2D
1805 // As stated in Table 3.15 and comment to glCopyTexImage2D
1806 if ((internalFormat.baseFormat == GL_DEPTH_COMPONENT) || (internalFormat.baseFormat == GL_DEPTH_STENCIL) ||
1807 (copyInternalFormat.baseFormat == GL_DEPTH_COMPONENT) || (copyInternalFormat.baseFormat == GL_DEPTH_STENCIL) ||
1808 ((internalFormat.baseFormat != GL_RGBA && internalFormat.baseFormat != GL_ALPHA) &&
1809 ((copyInternalFormat.baseFormat == GL_ALPHA) || (copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA))) ||
1810 ((internalFormat.baseFormat == GL_ALPHA) &&
1811 ((copyInternalFormat.baseFormat != GL_RGBA) && (copyInternalFormat.baseFormat != GL_ALPHA) &&
1812 (copyInternalFormat.baseFormat != GL_LUMINANCE_ALPHA))) ||
1813 (isSRGBFormat(internalFormat) != isSRGBFormat(copyInternalFormat)) ||
1814 // GLES30 does not define ReadPixels types for signed normalized fixed point formats in Table 3.14,
1815 // and conversions to SNORM internalformats are not allowed by Table 3.2
1816 (copyInternalFormat.sampler == SAMPLER_NORM) ||
1817 ((copyInternalFormat.sizedFormat == GL_RGB9_E5) &&
1818 (!contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float") &&
1819 !contextInfo.isExtensionSupported("GL_QCOM_render_shared_exponent"))))
1820 {
1821 /* Some formats are activated by extensions, check. */
1822 if (((internalFormat.baseFormat == GL_LUMINANCE && copyInternalFormat.baseFormat == GL_LUMINANCE) ||
1823 (internalFormat.baseFormat == GL_ALPHA && copyInternalFormat.baseFormat == GL_ALPHA) ||
1824 (internalFormat.baseFormat == GL_LUMINANCE_ALPHA &&
1825 (copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA || copyInternalFormat.baseFormat == GL_LUMINANCE ||
1826 copyInternalFormat.baseFormat == GL_ALPHA))) &&
1827 contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
1828 {
1829 return true;
1830 }
1831 else if (contextInfo.isExtensionSupported("GL_EXT_render_snorm") && isSNORMFormat(copyInternalFormat) &&
1832 (internalFormat.sampler == copyInternalFormat.sampler) &&
1833 (((copyInternalFormat.baseFormat == GL_RED) &&
1834 (internalFormat.baseFormat == GL_RED || internalFormat.baseFormat == GL_RG ||
1835 internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA ||
1836 copyInternalFormat.baseFormat == GL_LUMINANCE)) ||
1837 ((copyInternalFormat.baseFormat == GL_RG) &&
1838 (internalFormat.baseFormat == GL_RG || internalFormat.baseFormat == GL_RGB ||
1839 internalFormat.baseFormat == GL_RGBA)) ||
1840 ((copyInternalFormat.baseFormat == GL_RGB) &&
1841 (internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA)) ||
1842 ((copyInternalFormat.baseFormat == GL_RGBA) && (internalFormat.baseFormat == GL_RGBA))))
1843 {
1844 return true;
1845 }
1846
1847 return false;
1848 }
1849 else
1850 {
1851 if (internalFormat.sampler != copyInternalFormat.sampler)
1852 {
1853 // You can't convert between different base types, for example NORM<->FLOAT.
1854 return false;
1855 }
1856 if (!isUnsizedFormat(copyInternalFormat.sizedFormat))
1857 {
1858 if ((internalFormat.bits.bits.red && copyInternalFormat.bits.bits.red &&
1859 internalFormat.bits.bits.red != copyInternalFormat.bits.bits.red) ||
1860 (internalFormat.bits.bits.green && copyInternalFormat.bits.bits.green &&
1861 internalFormat.bits.bits.green != copyInternalFormat.bits.bits.green) ||
1862 (internalFormat.bits.bits.blue && copyInternalFormat.bits.bits.blue &&
1863 internalFormat.bits.bits.blue != copyInternalFormat.bits.bits.blue) ||
1864 (internalFormat.bits.bits.alpha && copyInternalFormat.bits.bits.alpha &&
1865 internalFormat.bits.bits.alpha != copyInternalFormat.bits.bits.alpha))
1866 {
1867 // If the destination internalFormat is sized we don't allow component size changes.
1868 return false;
1869 }
1870 }
1871 else
1872 {
1873 if (internalFormat.sizedFormat == GL_RGB10_A2)
1874 {
1875 // Not allowed to convert from a GL_RGB10_A2 surface.
1876 return false;
1877 }
1878 }
1879 }
1880
1881 return true;
1882 }
1883
isFBOImageAttachValid(const InternalFormat & internalformat,GLenum format,GLenum type) const1884 bool RectangleTest::isFBOImageAttachValid(const InternalFormat& internalformat, GLenum format, GLenum type) const
1885 {
1886 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1887
1888 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
1889 {
1890 const EnumFormats* validFormat = getCanonicalFormat(internalformat, format, type);
1891 if (validFormat != 0)
1892 {
1893 if (!validFormat->bRenderable)
1894 {
1895 /* Some formats are activated by extensions, check. */
1896 if ((GL_RGBA32F == validFormat->internalformat || GL_RGBA16F == validFormat->internalformat ||
1897 GL_RG32F == validFormat->internalformat || GL_RG16F == validFormat->internalformat ||
1898 GL_R32F == validFormat->internalformat || GL_R16F == validFormat->internalformat ||
1899 GL_R11F_G11F_B10F == validFormat->internalformat) &&
1900 contextInfo.isExtensionSupported("GL_EXT_color_buffer_float"))
1901 {
1902 return true;
1903 }
1904
1905 if ((GL_RGBA16F == validFormat->internalformat || GL_RGB16F == validFormat->internalformat ||
1906 GL_RG16F == validFormat->internalformat || GL_R16F == validFormat->internalformat) &&
1907 contextInfo.isExtensionSupported("GL_EXT_color_buffer_half_float"))
1908 {
1909 return true;
1910 }
1911
1912 if ((GL_R11F_G11F_B10F == validFormat->internalformat || GL_RGB9_E5 == validFormat->internalformat) &&
1913 contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float"))
1914 {
1915 return true;
1916 }
1917
1918 if ((GL_RGB9_E5 == validFormat->internalformat) &&
1919 contextInfo.isExtensionSupported("GL_QCOM_render_shared_exponent"))
1920 {
1921 return true;
1922 }
1923
1924 if ((GL_LUMINANCE == validFormat->internalformat || GL_ALPHA == validFormat->internalformat ||
1925 GL_LUMINANCE_ALPHA == validFormat->internalformat) &&
1926 contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
1927 {
1928 return true;
1929 }
1930
1931 if ((GL_SRGB8 == validFormat->internalformat) && contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
1932 {
1933 return true;
1934 }
1935
1936 if (((GL_R8_SNORM == validFormat->internalformat) || (GL_RG8_SNORM == validFormat->internalformat) ||
1937 (GL_RGBA8_SNORM == validFormat->internalformat) || (GL_R16_SNORM == validFormat->internalformat) ||
1938 (GL_RG16_SNORM == validFormat->internalformat) ||
1939 (GL_RGBA16_SNORM == validFormat->internalformat)) &&
1940 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1941 {
1942 return true;
1943 }
1944 }
1945 return validFormat->bRenderable;
1946 }
1947 else
1948 {
1949 // Check for NV_packed_float
1950 if (GL_RGB == internalformat.sizedFormat && GL_RGB == format && GL_UNSIGNED_INT_10F_11F_11F_REV == type &&
1951 contextInfo.isExtensionSupported("GL_NV_packed_float"))
1952 {
1953 return true;
1954 }
1955 return false;
1956 }
1957 }
1958 else
1959 {
1960 if (format == GL_DEPTH_STENCIL && internalformat.sizedFormat != GL_DEPTH24_STENCIL8 &&
1961 internalformat.sizedFormat != GL_DEPTH32F_STENCIL8)
1962 {
1963 // We can't make a complete DEPTH_STENCIL attachment with a
1964 // texture that does not have both DEPTH and STENCIL components.
1965 return false;
1966 }
1967
1968 GLenum colorRenderableFrmats[] = { GL_RGBA32F, GL_RGBA32I, GL_RGBA32UI, GL_RGBA16,
1969 GL_RGBA16F, GL_RGBA16I, GL_RGBA16UI, GL_RGBA8,
1970 GL_RGBA8I, GL_RGBA8UI, GL_SRGB8_ALPHA8, GL_RGB10_A2,
1971 GL_RGB10_A2UI, GL_RGB5_A1, GL_RGBA4, GL_R11F_G11F_B10F,
1972 GL_RGB565, GL_RG32F, GL_RG32I, GL_RG32UI,
1973 GL_RG16, GL_RG16F, GL_RG16I, GL_RG16UI,
1974 GL_RG8, GL_RG8I, GL_RG8UI, GL_R32F,
1975 GL_R32I, GL_R32UI, GL_R16F, GL_R16I,
1976 GL_R16UI, GL_R16, GL_R8, GL_R8I,
1977 GL_R8UI };
1978 GLenum* formatsEnd = colorRenderableFrmats + DE_LENGTH_OF_ARRAY(colorRenderableFrmats);
1979 if (std::find(colorRenderableFrmats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
1980 return true;
1981
1982 GLenum dsRenderableFormats[] = {
1983 GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT16,
1984 GL_DEPTH32F_STENCIL8, GL_DEPTH24_STENCIL8,
1985 };
1986
1987 formatsEnd = dsRenderableFormats + DE_LENGTH_OF_ARRAY(dsRenderableFormats);
1988 if (std::find(dsRenderableFormats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
1989 return true;
1990
1991 return false;
1992 }
1993 }
1994
doRead(GLuint texture)1995 bool RectangleTest::doRead(GLuint texture)
1996 {
1997 glu::RenderContext& renderContext = m_context.getRenderContext();
1998 const Functions& gl = renderContext.getFunctions();
1999
2000 GLuint fboId;
2001 gl.genFramebuffers(1, &fboId);
2002 gl.bindFramebuffer(GL_FRAMEBUFFER, fboId);
2003 GLU_EXPECT_NO_ERROR(gl.getError(), "glBindFramebuffer");
2004
2005 bool validImageAttach = isFBOImageAttachValid(m_internalFormat, m_inputFormat.format, m_inputType.type);
2006 if (m_textureTarget == GL_TEXTURE_2D)
2007 gl.framebufferTexture2D(GL_FRAMEBUFFER, m_inputFormat.attachment, GL_TEXTURE_2D, texture, 0);
2008 else if (glu::isContextTypeES(renderContext.getType()))
2009 gl.framebufferTextureLayer(GL_FRAMEBUFFER, m_inputFormat.attachment, texture, 0, 0);
2010 else
2011 gl.framebufferTexture3D(GL_FRAMEBUFFER, m_inputFormat.attachment, GL_TEXTURE_3D, texture, 0, 0);
2012 GLenum status = gl.checkFramebufferStatus(GL_FRAMEBUFFER);
2013
2014 bool result = true;
2015 if (status == GL_FRAMEBUFFER_COMPLETE)
2016 {
2017 if (!validImageAttach && glu::isContextTypeES(renderContext.getType()))
2018 {
2019 m_testCtx.getLog() << tcu::TestLog::Message << "FBO is complete but expected incomplete with sizedFormat: "
2020 << getFormatStr(m_internalFormat.sizedFormat) << tcu::TestLog::EndMessage;
2021 result = false;
2022 }
2023 else
2024 {
2025 result &= readPixels(false);
2026 result &= doCopy();
2027 }
2028 }
2029 else if (validImageAttach)
2030 {
2031 m_testCtx.getLog() << tcu::TestLog::Message << "FBO is not complete but expected complete with sizedFormat: "
2032 << getFormatStr(m_internalFormat.sizedFormat) << tcu::TestLog::EndMessage;
2033 result = false;
2034 }
2035
2036 gl.deleteFramebuffers(1, &fboId);
2037
2038 return result;
2039 }
2040
readPixels(bool isCopy)2041 bool RectangleTest::readPixels(bool isCopy)
2042 {
2043 bool result = true;
2044
2045 const PixelType* types;
2046 int typesCount;
2047 const PixelFormat* formats;
2048 int formatsCount;
2049
2050 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
2051 {
2052 types = esTypes;
2053 typesCount = DE_LENGTH_OF_ARRAY(esTypes);
2054 formats = esFormats;
2055 formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
2056 }
2057 else
2058 {
2059 types = coreTypes;
2060 typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
2061 formats = coreFormats;
2062 formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
2063 }
2064
2065 // for each output format
2066 for (int m = 0; m < formatsCount; ++m)
2067 {
2068 const PixelFormat& outputFormat = formats[m];
2069
2070 // for each output type
2071 for (int n = 0; n < typesCount; ++n)
2072 {
2073 const PixelType& outputType = types[n];
2074
2075 if (isCopy)
2076 {
2077 // continue when input format,type != canonical format,type and
2078 // output format,type != canonical format,type
2079 if ((outputFormat.format != m_copyInternalFormat.format ||
2080 outputType.type != m_copyInternalFormat.type))
2081 {
2082 // invalid output format and type - skipping case
2083 continue;
2084 }
2085 }
2086 else if ((m_inputFormat.format != m_internalFormat.format || m_inputType.type != m_internalFormat.type) &&
2087 (outputFormat.format != m_internalFormat.format || outputType.type != m_internalFormat.type))
2088 {
2089 // invalid output format and type - skipping case
2090 continue;
2091 }
2092
2093 result &= readPixelsInner(outputFormat, outputType, isCopy);
2094 }
2095 }
2096
2097 return result;
2098 }
2099
readPixelsInner(const PixelFormat & outputFormat,const PixelType & outputType,bool isCopy)2100 bool RectangleTest::readPixelsInner(const PixelFormat& outputFormat, const PixelType& outputType, bool isCopy)
2101 {
2102 const char* copyStage = "Copy stage: ";
2103
2104 GLenum readerror = readOutputData(outputFormat, outputType, OUTPUT_READPIXELS);
2105 if (m_outputBuffer.empty())
2106 {
2107 m_testCtx.getLog() << tcu::TestLog::Message << "No buffer allocated" << tcu::TestLog::EndMessage;
2108 return false;
2109 }
2110
2111 m_countReadPixels++;
2112
2113 // Check if output format is valid
2114 bool outputFormatValid = isFormatValid(outputFormat, outputType, isCopy ? m_copyInternalFormat : m_internalFormat,
2115 false, true, OUTPUT_READPIXELS);
2116
2117 // Even if this is a valid glReadPixels format, we can't read non-existant components
2118 if (outputFormatValid && outputFormat.format == GL_DEPTH_STENCIL && m_inputFormat.format != GL_DEPTH_STENCIL)
2119 outputFormatValid = false;
2120
2121 if (outputFormatValid)
2122 {
2123 if (readerror != GL_NO_ERROR)
2124 {
2125 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2126 << "Valid format used but glReadPixels failed for input = ["
2127 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2128 << "] output = [" << getFormatStr(outputFormat.format) << ", "
2129 << getTypeStr(outputType.type) << "]" << tcu::TestLog::EndMessage;
2130 return false;
2131 }
2132 else
2133 {
2134 m_countReadPixelsOK++;
2135 m_countCompare++;
2136
2137 // compare output gradient to input gradient
2138 if (!compare(&m_gradient[0], &m_outputBuffer[0], outputFormat, outputType, isCopy))
2139 {
2140 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2141 << "Gradient comparison failed during ReadPixels for input = ["
2142 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2143 << "] output = [" << getFormatStr(outputFormat.format) << ", "
2144 << getTypeStr(outputType.type) << "]" << tcu::TestLog::EndMessage;
2145 return false;
2146 }
2147
2148 m_countCompareOK++;
2149 }
2150 }
2151 else if (readerror == GL_NO_ERROR)
2152 {
2153 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2154 << "Invalid format used but glReadPixels succeeded for input = ["
2155 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2156 << "] output = [" << getFormatStr(outputFormat.format) << ", " << getTypeStr(outputType.type)
2157 << "]" << tcu::TestLog::EndMessage;
2158 return false;
2159 }
2160
2161 return true;
2162 }
2163
readOutputData(const PixelFormat & outputFormat,const PixelType & outputType,int operation)2164 GLenum RectangleTest::readOutputData(const PixelFormat& outputFormat, const PixelType& outputType, int operation)
2165 {
2166 // If using PBOs buffer object for GL_PIXEL_PACK_BUFFER must
2167 // be bound and not allocated before calling when using PBOs
2168
2169 glu::RenderContext& renderContext = m_context.getRenderContext();
2170 const Functions& gl = renderContext.getFunctions();
2171
2172 PackedPixelsBufferProperties& props = m_packProperties;
2173 props.elementSize = outputType.size;
2174 props.elementsInGroup = outputType.special ? 1 : outputFormat.components;
2175 props.rowLength = (props.rowLength == 0) ? (GRADIENT_WIDTH + props.skipPixels) : props.rowLength;
2176 props.elementsInRowNoAlign = props.elementsInGroup * props.rowLength;
2177 props.elementsInRow = props.elementsInRowNoAlign;
2178
2179 if (glu::isContextTypeES(renderContext.getType()))
2180 {
2181 props.rowCount = 0;
2182 props.skipImages = 0;
2183 }
2184 else if ((operation == OUTPUT_READPIXELS) || (m_textureTarget == GL_TEXTURE_2D))
2185 props.skipImages = 0;
2186
2187 if (props.rowCount == 0)
2188 props.rowCount = GRADIENT_HEIGHT + props.skipRows;
2189 props.imagesCount = props.skipImages + 1;
2190 if (props.elementSize < props.alignment)
2191 {
2192 props.elementsInRow = (int)(props.alignment * deFloatCeil(props.elementSize * props.elementsInGroup *
2193 props.rowLength / ((float)props.alignment))) /
2194 props.elementSize;
2195 }
2196
2197 int bufferSize =
2198 props.elementSize * props.elementsInRow * props.rowCount * props.imagesCount * (props.skipImages + 1);
2199
2200 // The output buffer allocated should be initialized to a known value. After
2201 // a pack operation, any extra memory allocated for skipping should be
2202 // verified to be the original known value, untouched by the GL.
2203 const GLubyte defaultFillValue = 0xaa;
2204 m_outputBuffer.resize(static_cast<std::size_t>(bufferSize));
2205 std::fill(m_outputBuffer.begin(), m_outputBuffer.end(), defaultFillValue);
2206
2207 GLuint packPBO;
2208 if (m_usePBO)
2209 {
2210 gl.genBuffers(1, &packPBO);
2211 gl.bindBuffer(GL_PIXEL_PACK_BUFFER, packPBO);
2212 gl.bufferData(GL_PIXEL_PACK_BUFFER, bufferSize, &m_outputBuffer[0], GL_STATIC_READ);
2213 }
2214
2215 GLenum readError = GL_NO_ERROR;
2216 switch (operation)
2217 {
2218 case OUTPUT_GETTEXIMAGE:
2219 gl.getTexImage(m_textureTarget, 0, outputFormat.format, outputType.type, m_usePBO ? 0 : &m_outputBuffer[0]);
2220 break;
2221
2222 case OUTPUT_READPIXELS:
2223 if (m_inputFormat.attachment != GL_DEPTH_ATTACHMENT &&
2224 m_inputFormat.attachment != GL_DEPTH_STENCIL_ATTACHMENT &&
2225 m_inputFormat.attachment != GL_STENCIL_ATTACHMENT)
2226 gl.readBuffer(m_inputFormat.attachment);
2227
2228 readError = gl.getError();
2229 if (readError == GL_NO_ERROR)
2230 gl.readPixels(0, 0, GRADIENT_WIDTH, GRADIENT_HEIGHT, outputFormat.format, outputType.type,
2231 m_usePBO ? 0 : &m_outputBuffer[0]);
2232 break;
2233 }
2234
2235 if (readError == GL_NO_ERROR)
2236 readError = gl.getError();
2237
2238 if (m_usePBO)
2239 {
2240 if (readError == GL_NO_ERROR)
2241 {
2242 GLvoid* mappedData = gl.mapBufferRange(GL_PIXEL_PACK_BUFFER, 0, bufferSize, GL_MAP_READ_BIT);
2243 if (!mappedData)
2244 return GL_INVALID_INDEX;
2245
2246 std::memcpy(&m_outputBuffer[0], mappedData, bufferSize);
2247 gl.unmapBuffer(GL_PIXEL_PACK_BUFFER);
2248 }
2249
2250 gl.bindBuffer(GL_PIXEL_PACK_BUFFER, 0);
2251 gl.deleteBuffers(1, &packPBO);
2252 }
2253
2254 if (m_packProperties.swapBytes && (readError == GL_NO_ERROR))
2255 swapBytes(outputType.size, m_outputBuffer);
2256
2257 return readError;
2258 }
2259
doCopy()2260 bool RectangleTest::doCopy()
2261 {
2262 bool result = true;
2263
2264 const InternalFormat* copyInternalFormats;
2265 int internalFormatsCount;
2266 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
2267 {
2268 copyInternalFormats = esInternalformats;
2269 internalFormatsCount = DE_LENGTH_OF_ARRAY(esInternalformats);
2270 }
2271 else
2272 {
2273 copyInternalFormats = coreInternalformats;
2274 internalFormatsCount = DE_LENGTH_OF_ARRAY(coreInternalformats);
2275 }
2276
2277 if ((m_inputFormat.format == m_internalFormat.format) && (m_inputType.type == m_internalFormat.type))
2278 {
2279 for (int i = 0; i < internalFormatsCount; ++i)
2280 {
2281 m_copyInternalFormat = copyInternalFormats[i];
2282 result &= doCopyInner();
2283 }
2284 }
2285
2286 return result;
2287 }
2288
doCopyInner()2289 bool RectangleTest::doCopyInner()
2290 {
2291 glu::RenderContext& renderContext = m_context.getRenderContext();
2292 const Functions& gl = renderContext.getFunctions();
2293 bool result = true;
2294
2295 const EnumFormats* copyFormatEnum =
2296 getCanonicalFormat(m_copyInternalFormat, m_copyInternalFormat.format, m_copyInternalFormat.type);
2297
2298 if (copyFormatEnum != 0)
2299 {
2300 GLuint texture2;
2301 GLenum status;
2302
2303 bool validcopy = isCopyValid(m_copyInternalFormat, m_internalFormat);
2304
2305 gl.genTextures(1, &texture2);
2306 // Target is always GL_TEXTURE_2D
2307 gl.bindTexture(GL_TEXTURE_2D, texture2);
2308 GLenum error = gl.getError();
2309
2310 // CopyTexImage to copy_internalformat (GL converts, but PixelStore is ignored)
2311 // Target is always GL_TEXTURE_2D
2312 gl.copyTexImage2D(GL_TEXTURE_2D, 0, m_copyInternalFormat.sizedFormat, 0, 0, GRADIENT_WIDTH, GRADIENT_HEIGHT, 0);
2313 error = gl.getError();
2314
2315 // if this combination of copy_internalformat,internalformat is invalid
2316 if (validcopy == false)
2317 {
2318 // expect error and continue
2319 if (error != GL_NO_ERROR)
2320 {
2321 // Invalid format used and glCopyTexImage2D failed
2322 result = true;
2323 }
2324 else
2325 {
2326 m_testCtx.getLog() << tcu::TestLog::Message << "Invalid format used but glCopyTexImage2D succeeded"
2327 << tcu::TestLog::EndMessage;
2328 result = false;
2329 }
2330 }
2331 else // validcopy == true
2332 {
2333 // expect no error and continue
2334 if (error != GL_NO_ERROR)
2335 {
2336 m_testCtx.getLog() << tcu::TestLog::Message << "Valid format used but glCopyTexImage2D failed"
2337 << tcu::TestLog::EndMessage;
2338 result = false;
2339 }
2340 else
2341 {
2342 if (!glu::isContextTypeES(renderContext.getType()))
2343 {
2344 // if GetTexImage is supported we call the
2345 // inner function only as no loop needed
2346 const PixelFormat& outputFormat = getPixelFormat(copyFormatEnum->format);
2347 const PixelType& outputType = getPixelType(copyFormatEnum->type);
2348 result &= getTexImageInner(outputFormat, outputType);
2349 }
2350
2351 GLint orginalFboId;
2352 gl.getIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &orginalFboId);
2353 GLU_EXPECT_NO_ERROR(gl.getError(), "getIntegerv");
2354
2355 GLuint fboId;
2356 gl.genFramebuffers(1, &fboId);
2357 gl.bindFramebuffer(GL_FRAMEBUFFER, fboId);
2358
2359 bool validImageAttach =
2360 isFBOImageAttachValid(m_copyInternalFormat, copyFormatEnum->format, copyFormatEnum->type);
2361
2362 // attach copy_internalformat texture to FBO
2363 // Target is always GL_TEXTURE_2D
2364 const PixelFormat& copyFormat = getPixelFormat(copyFormatEnum->format);
2365 gl.framebufferTexture2D(GL_FRAMEBUFFER, copyFormat.attachment, GL_TEXTURE_2D, texture2, 0);
2366 GLU_EXPECT_NO_ERROR(gl.getError(), "glFramebufferTexture2D");
2367
2368 status = gl.checkFramebufferStatus(GL_FRAMEBUFFER);
2369 GLU_EXPECT_NO_ERROR(gl.getError(), "glCheckFramebufferStatus");
2370
2371 // if an unsized sizedFormat was given, then implementation chosen copy format
2372 // destination might be different than what's expected;
2373 // we cannot continue checking since ReadPixels might not choose a compatible
2374 // format, also the format may not be renderable as expected
2375 if (isUnsizedFormat(m_copyInternalFormat.sizedFormat))
2376 {
2377 result &= true;
2378 }
2379 else if (status == GL_FRAMEBUFFER_COMPLETE)
2380 {
2381 if (validImageAttach)
2382 result &= readPixels(true);
2383 else
2384 {
2385 m_testCtx.getLog()
2386 << tcu::TestLog::Message << "Copy FBO is complete but expected incomplete with sizedFormat "
2387 << getFormatStr(m_copyInternalFormat.sizedFormat) << ", attachement "
2388 << copyFormat.attachment << tcu::TestLog::EndMessage;
2389 result = false;
2390 }
2391 }
2392 else if (validImageAttach)
2393 {
2394 m_testCtx.getLog() << tcu::TestLog::Message
2395 << "Copy FBO is not complete but expected complete with sizedFormat "
2396 << getFormatStr(m_copyInternalFormat.sizedFormat) << ", attachement "
2397 << copyFormat.attachment << tcu::TestLog::EndMessage;
2398 result = false;
2399 }
2400
2401 // bind original FBO
2402 gl.bindFramebuffer(GL_FRAMEBUFFER, orginalFboId);
2403 gl.deleteFramebuffers(1, &fboId);
2404 }
2405 }
2406
2407 gl.deleteTextures(1, &texture2);
2408 }
2409
2410 return result;
2411 }
2412
compare(GLvoid * gradient,GLvoid * data,const PixelFormat & outputFormat,const PixelType & outputType,bool isCopy) const2413 bool RectangleTest::compare(GLvoid* gradient, GLvoid* data, const PixelFormat& outputFormat,
2414 const PixelType& outputType, bool isCopy) const
2415 {
2416 // Compares the reference gradient data to the output data
2417
2418 int iformatSampler = m_internalFormat.sampler;
2419 int outputSampler = getSampler(outputType, outputFormat);
2420 int inputSampler = getSampler(m_inputType, m_inputFormat);
2421
2422 if (isCopy)
2423 iformatSampler = m_copyInternalFormat.sampler;
2424
2425 int samplerIsIntUintFloat = 3; // 1: INT | 2: UINT | 3: FLOAT/UNORM/NORM
2426 if (m_internalFormat.sampler == SAMPLER_INT)
2427 samplerIsIntUintFloat = 1;
2428 else if (m_internalFormat.sampler == SAMPLER_UINT)
2429 samplerIsIntUintFloat = 2;
2430
2431 std::vector<GLubyte> gradientStrip;
2432 if (!stripBuffer(m_unpackProperties, static_cast<const GLubyte*>(gradient), gradientStrip, false))
2433 return false;
2434 std::vector<GLubyte> dataStrip;
2435 if (!stripBuffer(m_packProperties, static_cast<const GLubyte*>(data), dataStrip, true))
2436 return false;
2437
2438 if (gradientStrip.empty() || dataStrip.empty())
2439 return false;
2440
2441 std::vector<FloatPixel> inputBuffer;
2442 getFloatBuffer(&gradientStrip[0], samplerIsIntUintFloat, m_inputFormat, m_inputType,
2443 GRADIENT_WIDTH * GRADIENT_HEIGHT, inputBuffer);
2444
2445 std::vector<FloatPixel> outputBuffer;
2446 getFloatBuffer(&dataStrip[0], samplerIsIntUintFloat, outputFormat, outputType, GRADIENT_WIDTH * GRADIENT_HEIGHT,
2447 outputBuffer);
2448
2449 std::vector<int> inputBitTable;
2450 getBits(m_inputType, m_inputFormat, inputBitTable);
2451 std::vector<int> outputBitTable;
2452 getBits(outputType, outputFormat, outputBitTable);
2453 const int* internalformatBitTable = reinterpret_cast<const int*>(&m_internalFormat.bits);
2454 const int* copyFormatBitTable = m_copyInternalFormat.bits.array;
2455
2456 // make struct field iterable
2457 float* inputBufferFloat = reinterpret_cast<float*>(&inputBuffer[0]);
2458 float* outputBufferFloat = reinterpret_cast<float*>(&outputBuffer[0]);
2459
2460 int* inputBufferInt = reinterpret_cast<int*>(&inputBuffer[0]);
2461 int* outputBufferInt = reinterpret_cast<int*>(&outputBuffer[0]);
2462
2463 unsigned int* inputBufferUint = reinterpret_cast<unsigned int*>(&inputBuffer[0]);
2464 unsigned int* outputBufferUint = reinterpret_cast<unsigned int*>(&outputBuffer[0]);
2465
2466 for (int i = 0; i < GRADIENT_WIDTH * GRADIENT_HEIGHT; ++i)
2467 {
2468 for (int j = 0; j < NUM_FLOAT_PIXEL_COUNT / 3; ++j)
2469 {
2470 int bit1 = getRealBitPrecision(inputBitTable[j], inputSampler == SAMPLER_FLOAT);
2471 int bit2 = getRealBitPrecision(outputBitTable[j], outputSampler == SAMPLER_FLOAT);
2472 int bit3 = getRealBitPrecision(internalformatBitTable[j], iformatSampler == SAMPLER_FLOAT);
2473 int bitdiff;
2474
2475 if (bit1 >= bit3)
2476 {
2477 if ((inputSampler == SAMPLER_UNORM && m_internalFormat.sampler == SAMPLER_NORM))
2478 bit3 -= 1;
2479 }
2480
2481 if (bit2 <= bit3)
2482 {
2483 if (outputSampler == SAMPLER_NORM && m_internalFormat.sampler == SAMPLER_UNORM)
2484 bit2 -= 1;
2485 }
2486
2487 if (!(m_internalFormat.flags & FLAG_REQ_RBO) && bit3 > 8 && m_internalFormat.sampler != SAMPLER_UINT &&
2488 m_internalFormat.sampler != SAMPLER_INT)
2489 {
2490 // If this internalFormat is not a required format there is no requirement
2491 // that the implementation uses exactly the bit width requested. For example,
2492 // it may substitute RGB10 for RGB12. The implementation can't make subtitutions
2493 // for integer formats.
2494 bit3 = 8;
2495 }
2496
2497 bitdiff = std::min(std::min(bit1, bit2), bit3);
2498 if (isCopy)
2499 {
2500 bitdiff = std::min(bitdiff, copyFormatBitTable[j]);
2501 }
2502
2503 if (bitdiff > 0)
2504 {
2505 if (samplerIsIntUintFloat == 1) // 1: INT
2506 {
2507 int inputValue = inputBufferInt[NUM_FLOAT_PIXEL_COUNT * i + j];
2508 int outputValue = outputBufferInt[NUM_FLOAT_PIXEL_COUNT * i + j];
2509
2510 if (inputSampler == SAMPLER_UINT)
2511 // If input data was unsigned, it should be clamped to fit into
2512 // internal format positive range (otherwise it may wrap and
2513 // yield negative internalformat values)
2514 inputValue = clampUnsignedValue(bit3 - 1, inputValue);
2515
2516 inputValue = clampSignedValue(bit3, inputValue);
2517 if (isCopy)
2518 {
2519 inputValue = clampSignedValue(copyFormatBitTable[j], inputValue);
2520 }
2521 if (outputSampler == SAMPLER_UINT)
2522 inputValue = clampUnsignedValue(bit2, inputValue);
2523 else
2524 inputValue = clampSignedValue(bit2, inputValue);
2525
2526 if (inputValue != outputValue)
2527 {
2528 m_testCtx.getLog() << tcu::TestLog::Message << "Integer comparison: " << i << ", " << j << ", "
2529 << NUM_FLOAT_PIXEL_COUNT * i + j << ": " << inputValue
2530 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2531 return false;
2532 }
2533 }
2534 else if (samplerIsIntUintFloat == 2) // 2: UINT
2535 {
2536 unsigned int inputValue = inputBufferUint[NUM_FLOAT_PIXEL_COUNT * i + j + 6];
2537 unsigned int outputValue = outputBufferUint[NUM_FLOAT_PIXEL_COUNT * i + j + 6];
2538
2539 inputValue = clampUnsignedValue(bit3, inputValue);
2540 if (isCopy)
2541 inputValue = clampUnsignedValue(copyFormatBitTable[j], inputValue);
2542
2543 if (outputSampler == SAMPLER_UINT)
2544 inputValue = clampUnsignedValue(bit2, inputValue);
2545 else if (outputSampler == SAMPLER_INT)
2546 inputValue = clampUnsignedValue(bit2 - 1, inputValue);
2547 if (inputValue != outputValue)
2548 {
2549 m_testCtx.getLog() << tcu::TestLog::Message << "Integer comparison: " << i << ", " << j << ", "
2550 << NUM_FLOAT_PIXEL_COUNT * i + j << ": " << inputValue
2551 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2552 return false;
2553 }
2554 }
2555 else if (samplerIsIntUintFloat == 3) // 3: FLOAT / UNORM / NORM
2556 {
2557 float inputValue = inputBufferFloat[NUM_FLOAT_PIXEL_COUNT * i + j + 12];
2558 float outputValue = outputBufferFloat[NUM_FLOAT_PIXEL_COUNT * i + j + 12];
2559 float epsilon;
2560
2561 if ((outputSampler == SAMPLER_UNORM) || (outputSampler == SAMPLER_NORM))
2562 {
2563 // Check if format is UNORM/NORM which needs different
2564 // precision since it implies a int->float conversion.
2565 epsilon = 1.0f / ((float)((1 << (bitdiff - 1))) - 1);
2566 }
2567 else if ((inputSampler == SAMPLER_FLOAT) != (outputSampler == SAMPLER_FLOAT))
2568 {
2569 // Allow for rounding in either direction for float->int conversions.
2570 epsilon = 1.0f / ((float)((1 << (bitdiff - 1))) - 1);
2571 }
2572 else
2573 epsilon = 1.0f / ((float)((1 << bitdiff) - 1));
2574
2575 if (inputSampler == SAMPLER_FLOAT || outputSampler == SAMPLER_FLOAT)
2576 {
2577 // According to GL spec the precision requirement
2578 // of floating-point values is 1 part in 10^5.
2579 epsilon = deFloatMax(epsilon, 0.00001f);
2580 }
2581
2582 if (m_internalFormat.flags & FLAG_COMPRESSED)
2583 epsilon = deFloatMax(epsilon, 0.1f);
2584
2585 // Clamp input value to range of output
2586 if (iformatSampler == SAMPLER_UNORM || outputSampler == SAMPLER_UNORM)
2587 inputValue = deFloatMax(deFloatMin(inputValue, 1.0f), 0.0f);
2588 else if (iformatSampler == SAMPLER_NORM || outputSampler == SAMPLER_NORM)
2589 inputValue = deFloatMax(deFloatMin(inputValue, 1.0f), -1.0f);
2590
2591 // Compare the input and output
2592 if (deFloatAbs(inputValue - outputValue) > epsilon)
2593 {
2594 m_testCtx.getLog()
2595 << tcu::TestLog::Message << "Non-integer comparison: " << i << ", " << j << ", "
2596 << NUM_FLOAT_PIXEL_COUNT * i + j << ", " << epsilon << ": " << inputValue
2597 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2598 return false;
2599 }
2600 }
2601 else
2602 {
2603 m_testCtx.getLog() << tcu::TestLog::Message << "Sampler type cannot be recognised, so no comparison"
2604 << tcu::TestLog::EndMessage;
2605 return false;
2606 }
2607 }
2608 }
2609 }
2610
2611 return true;
2612 }
2613
getFloatBuffer(GLvoid * gradient,int samplerIsIntUintFloat,const PixelFormat & format,const PixelType & type,int elementCount,std::vector<FloatPixel> & result) const2614 void RectangleTest::getFloatBuffer(GLvoid* gradient, int samplerIsIntUintFloat, const PixelFormat& format,
2615 const PixelType& type, int elementCount, std::vector<FloatPixel>& result) const
2616 {
2617 int componentCount = format.components;
2618 switch (type.type)
2619 {
2620 case GL_UNSIGNED_BYTE:
2621 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_BYTE, result);
2622 break;
2623 case GL_BYTE:
2624 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_BYTE, result);
2625 break;
2626 case GL_UNSIGNED_SHORT:
2627 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_SHORT, result);
2628 break;
2629 case GL_SHORT:
2630 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_SHORT, result);
2631 break;
2632 case GL_UNSIGNED_INT:
2633 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_INT, result);
2634 break;
2635 case GL_INT:
2636 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_INT, result);
2637 break;
2638 case GL_HALF_FLOAT:
2639 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_HALF_FLOAT, result);
2640 break;
2641 case GL_FLOAT:
2642 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_FLOAT, result);
2643 break;
2644 case GL_UNSIGNED_SHORT_5_6_5:
2645 if (samplerIsIntUintFloat == 1)
2646 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_INT, result);
2647 else if (samplerIsIntUintFloat == 2)
2648 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_UINT, result);
2649 else if (samplerIsIntUintFloat == 3)
2650 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5, result);
2651 break;
2652 case GL_UNSIGNED_SHORT_4_4_4_4:
2653 if (samplerIsIntUintFloat == 1)
2654 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_INT, result);
2655 else if (samplerIsIntUintFloat == 2)
2656 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_UINT, result);
2657 else if (samplerIsIntUintFloat == 3)
2658 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4, result);
2659 break;
2660 case GL_UNSIGNED_SHORT_5_5_5_1:
2661 if (samplerIsIntUintFloat == 1)
2662 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1_INT, result);
2663 else if (samplerIsIntUintFloat == 2)
2664 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1_UINT, result);
2665 else if (samplerIsIntUintFloat == 3)
2666 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1, result);
2667 break;
2668 case GL_UNSIGNED_INT_2_10_10_10_REV:
2669 if (samplerIsIntUintFloat == 1)
2670 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV_INT, result);
2671 else if (samplerIsIntUintFloat == 2)
2672 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV_UINT, result);
2673 else if (samplerIsIntUintFloat == 3)
2674 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV, result);
2675 break;
2676 case GL_UNSIGNED_INT_24_8:
2677 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_24_8, result);
2678 break;
2679 case GL_UNSIGNED_INT_10F_11F_11F_REV:
2680 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_10F_11F_11F_REV, result);
2681 break;
2682 case GL_UNSIGNED_INT_5_9_9_9_REV:
2683 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_5_9_9_9_REV, result);
2684 break;
2685 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
2686 makeBufferPackedFloat(gradient, format, elementCount, pack_FLOAT_32_UNSIGNED_INT_24_8_REV, result);
2687 break;
2688 case GL_UNSIGNED_BYTE_3_3_2:
2689 if (samplerIsIntUintFloat == 1)
2690 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2_INT, result);
2691 else if (samplerIsIntUintFloat == 2)
2692 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2_UINT, result);
2693 else if (samplerIsIntUintFloat == 3)
2694 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2, result);
2695 break;
2696 case GL_UNSIGNED_BYTE_2_3_3_REV:
2697 if (samplerIsIntUintFloat == 1)
2698 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV_INT, result);
2699 else if (samplerIsIntUintFloat == 2)
2700 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV_UINT, result);
2701 else if (samplerIsIntUintFloat == 3)
2702 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV, result);
2703 break;
2704 case GL_UNSIGNED_SHORT_5_6_5_REV:
2705 if (samplerIsIntUintFloat == 1)
2706 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV_INT, result);
2707 else if (samplerIsIntUintFloat == 2)
2708 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV_UINT, result);
2709 else if (samplerIsIntUintFloat == 3)
2710 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV, result);
2711 break;
2712 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
2713 if (samplerIsIntUintFloat == 1)
2714 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV_INT, result);
2715 else if (samplerIsIntUintFloat == 2)
2716 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT, result);
2717 else if (samplerIsIntUintFloat == 3)
2718 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV, result);
2719 break;
2720 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
2721 if (samplerIsIntUintFloat == 1)
2722 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV_INT, result);
2723 else if (samplerIsIntUintFloat == 2)
2724 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT, result);
2725 else if (samplerIsIntUintFloat == 3)
2726 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV, result);
2727 break;
2728 case GL_UNSIGNED_INT_8_8_8_8:
2729 if (samplerIsIntUintFloat == 1)
2730 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_INT, result);
2731 else if (samplerIsIntUintFloat == 2)
2732 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_UINT, result);
2733 else if (samplerIsIntUintFloat == 3)
2734 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8, result);
2735 break;
2736 case GL_UNSIGNED_INT_8_8_8_8_REV:
2737 if (samplerIsIntUintFloat == 1)
2738 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV_INT, result);
2739 else if (samplerIsIntUintFloat == 2)
2740 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV_UINT, result);
2741 else if (samplerIsIntUintFloat == 3)
2742 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV, result);
2743 break;
2744 case GL_UNSIGNED_INT_10_10_10_2:
2745 if (samplerIsIntUintFloat == 1)
2746 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2_INT, result);
2747 else if (samplerIsIntUintFloat == 2)
2748 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2_UINT, result);
2749 else if (samplerIsIntUintFloat == 3)
2750 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2, result);
2751 break;
2752 default:
2753 TCU_FAIL("Unsuported type");
2754 }
2755 }
2756
2757 template <typename Type>
makeBuffer(const GLvoid * gradient,const PixelFormat & format,int samplerIsIntUintFloat,int elementCount,int componentCount,float (* pack)(Type),std::vector<FloatPixel> & result) const2758 void RectangleTest::makeBuffer(const GLvoid* gradient, const PixelFormat& format, int samplerIsIntUintFloat,
2759 int elementCount, int componentCount, float (*pack)(Type),
2760 std::vector<FloatPixel>& result) const
2761 {
2762 const Type* sourceData = static_cast<const Type*>(gradient);
2763 result.resize(sizeof(FloatPixel) * elementCount);
2764 for (int i = 0; i < elementCount; ++i)
2765 {
2766 rawFloatPixel values;
2767 rawIntPixel valuesInt;
2768 rawUintPixel valuesUint;
2769 for (int j = 0; j < componentCount; j++)
2770 {
2771 if (samplerIsIntUintFloat == 1)
2772 valuesInt[j] = (int)static_cast<Type>(sourceData[componentCount * i + j]);
2773 else if (samplerIsIntUintFloat == 2)
2774 valuesUint[j] = (unsigned int)static_cast<Type>(sourceData[componentCount * i + j]);
2775 else if (samplerIsIntUintFloat == 3)
2776 values[j] = pack(sourceData[componentCount * i + j]);
2777 }
2778 if (samplerIsIntUintFloat == 1)
2779 result[i] = orderComponentsInt(valuesInt, format);
2780 else if (samplerIsIntUintFloat == 2)
2781 result[i] = orderComponentsUint(valuesUint, format);
2782 else if (samplerIsIntUintFloat == 3)
2783 result[i] = orderComponentsFloat(values, format);
2784 }
2785 }
2786
getBits(const PixelType & type,const PixelFormat & format,std::vector<int> & resultTable) const2787 void RectangleTest::getBits(const PixelType& type, const PixelFormat& format, std::vector<int>& resultTable) const
2788 {
2789 // return bit depth table based on type and format pair;
2790 // table is always NUM_FLOAT_PIXEL_COUNT digit long
2791
2792 resultTable.resize(NUM_FLOAT_PIXEL_COUNT);
2793 std::fill(resultTable.begin(), resultTable.end(), 0);
2794
2795 if (type.special == true)
2796 {
2797 std::memcpy(&resultTable[0], &type.bits, sizeof(type.bits));
2798 if (type.type == GL_UNSIGNED_INT_5_9_9_9_REV)
2799 {
2800 //this type is another special case: it is always converted to 3-channel color (no A).
2801 //as results of this function are used for comparison of converted values we set A bits to 0.
2802 resultTable[3] = 0;
2803 }
2804 }
2805 else
2806 {
2807 int bits;
2808
2809 if (type.type == GL_FLOAT)
2810 bits = 32;
2811 else if (type.type == GL_HALF_FLOAT)
2812 bits = 16;
2813 else
2814 bits = type.size << 3;
2815
2816 if (format.format == GL_DEPTH_STENCIL || format.format == GL_DEPTH_COMPONENT)
2817 resultTable[4] = bits;
2818
2819 if (format.format == GL_DEPTH_STENCIL || format.format == GL_STENCIL_INDEX ||
2820 format.format == GL_STENCIL_INDEX8)
2821 {
2822 resultTable[5] = bits;
2823 }
2824
2825 if (format.format == GL_RED || format.format == GL_RG || format.format == GL_RGB || format.format == GL_RGBA ||
2826 format.format == GL_BGR || format.format == GL_BGRA || format.format == GL_RED_INTEGER ||
2827 format.format == GL_RG_INTEGER || format.format == GL_RGB_INTEGER || format.format == GL_RGBA_INTEGER ||
2828 format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2829 {
2830 resultTable[0] = bits;
2831 }
2832
2833 if (format.format == GL_RG || format.format == GL_RGB || format.format == GL_RGBA || format.format == GL_BGR ||
2834 format.format == GL_BGRA || format.format == GL_RG_INTEGER || format.format == GL_RGB_INTEGER ||
2835 format.format == GL_RGBA_INTEGER || format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2836 {
2837 resultTable[1] = bits;
2838 }
2839
2840 if (format.format == GL_RGB || format.format == GL_RGBA || format.format == GL_BGR ||
2841 format.format == GL_BGRA || format.format == GL_RGB_INTEGER || format.format == GL_RGBA_INTEGER ||
2842 format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2843 {
2844 resultTable[2] = bits;
2845 }
2846
2847 if (format.format == GL_RGBA || format.format == GL_BGRA || format.format == GL_RGBA_INTEGER ||
2848 format.format == GL_BGRA_INTEGER)
2849 {
2850 resultTable[3] = bits;
2851 }
2852 }
2853 }
2854
2855 template <typename Type>
makeBufferPackedInt(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawIntPixel *,Type),std::vector<FloatPixel> & result) const2856 void RectangleTest::makeBufferPackedInt(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2857 void (*pack)(rawIntPixel*, Type), std::vector<FloatPixel>& result) const
2858 {
2859 const Type* sourceData = static_cast<const Type*>(gradient);
2860 result.resize(sizeof(FloatPixel) * elementCount);
2861 for (int i = 0; i < elementCount; ++i)
2862 {
2863 rawIntPixel values;
2864 pack(&values, sourceData[i]);
2865 result[i] = orderComponentsInt(values, format);
2866 }
2867 }
2868
2869 template <typename Type>
makeBufferPackedUint(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawUintPixel *,Type),std::vector<FloatPixel> & result) const2870 void RectangleTest::makeBufferPackedUint(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2871 void (*pack)(rawUintPixel*, Type), std::vector<FloatPixel>& result) const
2872 {
2873 const Type* sourceData = static_cast<const Type*>(gradient);
2874 result.resize(sizeof(FloatPixel) * elementCount);
2875 for (int i = 0; i < elementCount; ++i)
2876 {
2877 rawUintPixel values;
2878 pack(&values, sourceData[i]);
2879 result[i] = orderComponentsUint(values, format);
2880 }
2881 }
2882
2883 template <typename Type>
makeBufferPackedFloat(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawFloatPixel *,Type),std::vector<FloatPixel> & result) const2884 void RectangleTest::makeBufferPackedFloat(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2885 void (*pack)(rawFloatPixel*, Type), std::vector<FloatPixel>& result) const
2886 {
2887 const Type* sourceData = static_cast<const Type*>(gradient);
2888 result.resize(sizeof(FloatPixel) * elementCount);
2889 for (int i = 0; i < elementCount; ++i)
2890 {
2891 rawFloatPixel values;
2892 pack(&values, sourceData[i]);
2893 result[i] = orderComponentsFloat(values, format);
2894 }
2895 }
2896
orderComponentsInt(rawIntPixel values,const PixelFormat & format) const2897 FloatPixel RectangleTest::orderComponentsInt(rawIntPixel values, const PixelFormat& format) const
2898 {
2899 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2900 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2901 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2902
2903 if (format.componentOrder.bits.red >= 0)
2904 fp.i_r = values[format.componentOrder.bits.red];
2905 if (format.componentOrder.bits.green >= 0)
2906 fp.i_g = values[format.componentOrder.bits.green];
2907 if (format.componentOrder.bits.blue >= 0)
2908 fp.i_b = values[format.componentOrder.bits.blue];
2909 if (format.componentOrder.bits.alpha >= 0)
2910 fp.i_a = values[format.componentOrder.bits.alpha];
2911 if (format.componentOrder.bits.depth >= 0)
2912 fp.i_d = values[format.componentOrder.bits.depth];
2913 if (format.componentOrder.bits.stencil >= 0)
2914 fp.i_s = values[format.componentOrder.bits.stencil];
2915
2916 return fp;
2917 }
2918
orderComponentsUint(rawUintPixel values,const PixelFormat & format) const2919 FloatPixel RectangleTest::orderComponentsUint(rawUintPixel values, const PixelFormat& format) const
2920 {
2921 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2922 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2923 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2924
2925 if (format.componentOrder.bits.red >= 0)
2926 fp.ui_r = values[format.componentOrder.bits.red];
2927 if (format.componentOrder.bits.green >= 0)
2928 fp.ui_g = values[format.componentOrder.bits.green];
2929 if (format.componentOrder.bits.blue >= 0)
2930 fp.ui_b = values[format.componentOrder.bits.blue];
2931 if (format.componentOrder.bits.alpha >= 0)
2932 fp.ui_a = values[format.componentOrder.bits.alpha];
2933 if (format.componentOrder.bits.depth >= 0)
2934 fp.ui_d = values[format.componentOrder.bits.depth];
2935 if (format.componentOrder.bits.stencil >= 0)
2936 fp.ui_s = values[format.componentOrder.bits.stencil];
2937
2938 return fp;
2939 }
2940
orderComponentsFloat(rawFloatPixel values,const PixelFormat & format) const2941 FloatPixel RectangleTest::orderComponentsFloat(rawFloatPixel values, const PixelFormat& format) const
2942 {
2943 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2944 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2945 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2946
2947 if (format.componentOrder.bits.red >= 0)
2948 fp.r = values[format.componentOrder.bits.red];
2949 if (format.componentOrder.bits.green >= 0)
2950 fp.g = values[format.componentOrder.bits.green];
2951 if (format.componentOrder.bits.blue >= 0)
2952 fp.b = values[format.componentOrder.bits.blue];
2953 if (format.componentOrder.bits.alpha >= 0)
2954 fp.a = values[format.componentOrder.bits.alpha];
2955 if (format.componentOrder.bits.depth >= 0)
2956 fp.d = values[format.componentOrder.bits.depth];
2957 if (format.componentOrder.bits.stencil >= 0)
2958 fp.s = values[format.componentOrder.bits.stencil];
2959
2960 return fp;
2961 }
2962
getRealBitPrecision(int bits,bool isFloat) const2963 unsigned int RectangleTest::getRealBitPrecision(int bits, bool isFloat) const
2964 {
2965 if (!isFloat)
2966 return bits;
2967 switch (bits)
2968 {
2969 case 32:
2970 return 23;
2971 case 16:
2972 return 10;
2973 case 11:
2974 return 6;
2975 case 10:
2976 return 5;
2977 }
2978 return bits;
2979 }
2980
stripBuffer(const PackedPixelsBufferProperties & props,const GLubyte * orginalBuffer,std::vector<GLubyte> & newBuffer,bool validate) const2981 bool RectangleTest::stripBuffer(const PackedPixelsBufferProperties& props, const GLubyte* orginalBuffer,
2982 std::vector<GLubyte>& newBuffer, bool validate) const
2983 {
2984 // Extracts pixel data from a buffer with specific
2985 // pixel store configuration into a flat buffer
2986
2987 int newBufferSize = props.elementSize * props.elementsInRowNoAlign * GRADIENT_HEIGHT;
2988 if (!newBufferSize)
2989 return false;
2990 newBuffer.resize(newBufferSize);
2991
2992 int skipBottom = ((props.skipImages * props.rowCount + props.skipRows) * props.elementsInRow) * props.elementSize;
2993 int skipTop = (props.rowCount - GRADIENT_HEIGHT - props.skipRows) * props.elementsInRow * props.elementSize;
2994 int skipLeft = props.skipPixels * props.elementsInGroup * props.elementSize;
2995 int skipRight = (props.elementsInRow - GRADIENT_WIDTH * props.elementsInGroup) * props.elementSize - skipLeft;
2996 int copy = GRADIENT_WIDTH * props.elementsInGroup * props.elementSize;
2997 int skipAlign = (props.elementsInRow - props.elementsInRowNoAlign) * props.elementSize;
2998
2999 if (validate)
3000 {
3001 for (int i = 0; i < skipBottom; i++)
3002 {
3003 if (orginalBuffer[i] != m_defaultFillValue)
3004 return false;
3005 }
3006 }
3007
3008 int index_src = skipBottom;
3009 int index_dst = 0;
3010
3011 for (int j = 0; j < GRADIENT_HEIGHT; j++)
3012 {
3013 if (validate)
3014 {
3015 for (int i = 0; i < skipLeft; i++)
3016 {
3017 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3018 return false;
3019 }
3020 }
3021 index_src += skipLeft;
3022
3023 std::memcpy(&newBuffer[0] + index_dst, &orginalBuffer[0] + index_src, copy);
3024 index_src += copy;
3025 index_dst += copy;
3026
3027 if (validate)
3028 {
3029 for (int i = skipAlign; i < skipRight; i++)
3030 {
3031 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3032 return false;
3033 }
3034 }
3035 index_src += skipRight;
3036 }
3037
3038 if (validate)
3039 {
3040 for (int i = 0; i < skipTop; i++)
3041 {
3042 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3043 return false;
3044 }
3045 }
3046 index_src += skipTop;
3047
3048 return true;
3049 }
3050
clampSignedValue(int bits,int value) const3051 int RectangleTest::clampSignedValue(int bits, int value) const
3052 {
3053 int max = 2147483647;
3054 int min = 0x80000000;
3055
3056 if (bits < 32)
3057 {
3058 max = (1 << (bits - 1)) - 1;
3059 min = (1 << (bits - 1)) - (1 << bits);
3060 }
3061
3062 if (value >= max)
3063 return max;
3064 else if (value <= min)
3065 return min;
3066
3067 return value;
3068 }
3069
clampUnsignedValue(int bits,unsigned int value) const3070 unsigned int RectangleTest::clampUnsignedValue(int bits, unsigned int value) const
3071 {
3072 unsigned int max = 4294967295u;
3073 unsigned int min = 0;
3074
3075 if (bits < 32)
3076 {
3077 max = (1 << bits) - 1;
3078 }
3079
3080 if (value >= max)
3081 return max;
3082 else if (value <= min)
3083 return min;
3084
3085 return value;
3086 }
3087
pack_UNSIGNED_BYTE(GLubyte value)3088 float RectangleTest::pack_UNSIGNED_BYTE(GLubyte value)
3089 {
3090 return static_cast<GLfloat>(value) / std::numeric_limits<GLubyte>::max();
3091 }
3092
pack_BYTE(GLbyte value)3093 float RectangleTest::pack_BYTE(GLbyte value)
3094 {
3095 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLbyte>::max(), -1.0f);
3096 }
3097
pack_UNSIGNED_SHORT(GLushort value)3098 float RectangleTest::pack_UNSIGNED_SHORT(GLushort value)
3099 {
3100 return static_cast<GLfloat>(value) / std::numeric_limits<GLushort>::max();
3101 }
3102
pack_SHORT(GLshort value)3103 float RectangleTest::pack_SHORT(GLshort value)
3104 {
3105 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLshort>::max(), -1.0f);
3106 }
3107
pack_UNSIGNED_INT(GLuint value)3108 float RectangleTest::pack_UNSIGNED_INT(GLuint value)
3109 {
3110 return static_cast<GLfloat>(value) / std::numeric_limits<GLuint>::max();
3111 }
3112
pack_INT(GLint value)3113 float RectangleTest::pack_INT(GLint value)
3114 {
3115 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLint>::max(), -1.0f);
3116 }
3117
pack_HALF_FLOAT(GLhalf value)3118 float RectangleTest::pack_HALF_FLOAT(GLhalf value)
3119 {
3120 return halfFloatToFloat(value);
3121 }
3122
pack_FLOAT(GLfloat value)3123 float RectangleTest::pack_FLOAT(GLfloat value)
3124 {
3125 return value;
3126 }
3127
pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel * values,GLubyte value)3128 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel* values, GLubyte value)
3129 {
3130 (*values)[0] = ((value >> 5) & 7) / 7.0f;
3131 (*values)[1] = ((value >> 2) & 7) / 7.0f;
3132 (*values)[2] = ((value >> 0) & 3) / 3.0f;
3133 }
3134
pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel * values,GLubyte value)3135 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel* values, GLubyte value)
3136 {
3137 (*values)[0] = (value >> 5) & 7;
3138 (*values)[1] = (value >> 2) & 7;
3139 (*values)[2] = (value >> 0) & 3;
3140 }
3141
pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel * values,GLubyte value)3142 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel* values, GLubyte value)
3143 {
3144 (*values)[0] = (static_cast<GLbyte>(value) >> 5) & 7;
3145 (*values)[1] = (static_cast<GLbyte>(value) >> 2) & 7;
3146 (*values)[2] = (static_cast<GLbyte>(value) >> 0) & 3;
3147 }
3148
pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel * values,GLubyte value)3149 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel* values, GLubyte value)
3150 {
3151 (*values)[2] = ((value >> 6) & 3) / 3.0f;
3152 (*values)[1] = ((value >> 3) & 7) / 7.0f;
3153 (*values)[0] = ((value >> 0) & 7) / 7.0f;
3154 }
3155
pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel * values,GLubyte value)3156 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel* values, GLubyte value)
3157 {
3158 (*values)[2] = (value >> 6) & 3;
3159 (*values)[1] = (value >> 3) & 7;
3160 (*values)[0] = (value >> 0) & 7;
3161 }
3162
pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel * values,GLubyte value)3163 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel* values, GLubyte value)
3164 {
3165 (*values)[2] = (static_cast<GLbyte>(value) >> 6) & 3;
3166 (*values)[1] = (static_cast<GLbyte>(value) >> 3) & 7;
3167 (*values)[0] = (static_cast<GLbyte>(value) >> 0) & 7;
3168 }
3169
pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel * values,GLushort value)3170 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel* values, GLushort value)
3171 {
3172 (*values)[0] = ((value >> 11) & 31) / 31.0f;
3173 (*values)[1] = ((value >> 5) & 63) / 63.0f;
3174 (*values)[2] = ((value >> 0) & 31) / 31.0f;
3175 }
3176
pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel * values,GLushort value)3177 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel* values, GLushort value)
3178 {
3179 (*values)[0] = (value >> 11) & 31;
3180 (*values)[1] = (value >> 5) & 63;
3181 (*values)[2] = (value >> 0) & 31;
3182 }
3183
pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel * values,GLushort value)3184 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel* values, GLushort value)
3185 {
3186 (*values)[0] = (static_cast<GLshort>(value) >> 11) & 31;
3187 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 63;
3188 (*values)[2] = (static_cast<GLshort>(value) >> 0) & 31;
3189 }
3190
pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel * values,GLushort value)3191 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel* values, GLushort value)
3192 {
3193 (*values)[2] = ((value >> 11) & 31) / 31.0f;
3194 (*values)[1] = ((value >> 5) & 63) / 63.0f;
3195 (*values)[0] = ((value >> 0) & 31) / 31.0f;
3196 }
3197
pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel * values,GLushort value)3198 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel* values, GLushort value)
3199 {
3200 (*values)[2] = (value >> 11) & 31;
3201 (*values)[1] = (value >> 5) & 63;
3202 (*values)[0] = (value >> 0) & 31;
3203 }
3204
pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel * values,GLushort value)3205 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel* values, GLushort value)
3206 {
3207 (*values)[2] = (static_cast<GLshort>(value) >> 11) & 31;
3208 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 63;
3209 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 31;
3210 }
3211
pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel * values,GLushort value)3212 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel* values, GLushort value)
3213 {
3214 (*values)[0] = ((value >> 12) & 15) / 15.0f;
3215 (*values)[1] = ((value >> 8) & 15) / 15.0f;
3216 (*values)[2] = ((value >> 4) & 15) / 15.0f;
3217 (*values)[3] = ((value >> 0) & 15) / 15.0f;
3218 }
3219
pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel * values,GLushort value)3220 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel* values, GLushort value)
3221 {
3222 (*values)[0] = (value >> 12) & 15;
3223 (*values)[1] = (value >> 8) & 15;
3224 (*values)[2] = (value >> 4) & 15;
3225 (*values)[3] = (value >> 0) & 15;
3226 }
3227
pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel * values,GLushort value)3228 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel* values, GLushort value)
3229 {
3230 (*values)[0] = (static_cast<GLshort>(value) >> 12) & 15;
3231 (*values)[1] = (static_cast<GLshort>(value) >> 8) & 15;
3232 (*values)[2] = (static_cast<GLshort>(value) >> 4) & 15;
3233 (*values)[3] = (static_cast<GLshort>(value) >> 0) & 15;
3234 }
3235
pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel * values,GLushort value)3236 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel* values, GLushort value)
3237 {
3238 (*values)[3] = ((value >> 12) & 15) / 15.0f;
3239 (*values)[2] = ((value >> 8) & 15) / 15.0f;
3240 (*values)[1] = ((value >> 4) & 15) / 15.0f;
3241 (*values)[0] = ((value >> 0) & 15) / 15.0f;
3242 }
3243
pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel * values,GLushort value)3244 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel* values, GLushort value)
3245 {
3246 (*values)[3] = (value >> 12) & 15;
3247 (*values)[2] = (value >> 8) & 15;
3248 (*values)[1] = (value >> 4) & 15;
3249 (*values)[0] = (value >> 0) & 15;
3250 }
3251
pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel * values,GLushort value)3252 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel* values, GLushort value)
3253 {
3254 (*values)[3] = (static_cast<GLshort>(value) >> 12) & 15;
3255 (*values)[2] = (static_cast<GLshort>(value) >> 8) & 15;
3256 (*values)[1] = (static_cast<GLshort>(value) >> 4) & 15;
3257 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 15;
3258 }
3259
pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel * values,GLushort value)3260 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel* values, GLushort value)
3261 {
3262 (*values)[0] = ((value >> 11) & 31) / 31.0f;
3263 (*values)[1] = ((value >> 6) & 31) / 31.0f;
3264 (*values)[2] = ((value >> 1) & 31) / 31.0f;
3265 (*values)[3] = ((value >> 0) & 1) / 1.0f;
3266 }
3267
pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel * values,GLushort value)3268 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel* values, GLushort value)
3269 {
3270 (*values)[0] = (value >> 11) & 31;
3271 (*values)[1] = (value >> 6) & 31;
3272 (*values)[2] = (value >> 1) & 31;
3273 (*values)[3] = (value >> 0) & 1;
3274 }
3275
pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel * values,GLushort value)3276 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel* values, GLushort value)
3277 {
3278 (*values)[0] = (static_cast<GLshort>(value) >> 11) & 31;
3279 (*values)[1] = (static_cast<GLshort>(value) >> 6) & 31;
3280 (*values)[2] = (static_cast<GLshort>(value) >> 1) & 31;
3281 (*values)[3] = (static_cast<GLshort>(value) >> 0) & 1;
3282 }
3283
pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel * values,GLushort value)3284 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel* values, GLushort value)
3285 {
3286 (*values)[3] = ((value >> 15) & 1) / 1.0f;
3287 (*values)[2] = ((value >> 10) & 31) / 31.0f;
3288 (*values)[1] = ((value >> 5) & 31) / 31.0f;
3289 (*values)[0] = ((value >> 0) & 31) / 31.0f;
3290 }
3291
pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel * values,GLushort value)3292 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel* values, GLushort value)
3293 {
3294 (*values)[3] = (value >> 15) & 1;
3295 (*values)[2] = (value >> 10) & 31;
3296 (*values)[1] = (value >> 5) & 31;
3297 (*values)[0] = (value >> 0) & 31;
3298 }
3299
pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel * values,GLushort value)3300 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel* values, GLushort value)
3301 {
3302 (*values)[3] = (static_cast<GLshort>(value) >> 15) & 1;
3303 (*values)[2] = (static_cast<GLshort>(value) >> 10) & 31;
3304 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 31;
3305 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 31;
3306 }
3307
pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel * values,GLuint value)3308 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel* values, GLuint value)
3309 {
3310 (*values)[0] = ((value >> 24) & 255) / 255.0f;
3311 (*values)[1] = ((value >> 16) & 255) / 255.0f;
3312 (*values)[2] = ((value >> 8) & 255) / 255.0f;
3313 (*values)[3] = ((value >> 0) & 255) / 255.0f;
3314 }
3315
pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel * values,GLuint value)3316 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel* values, GLuint value)
3317 {
3318 (*values)[0] = (value >> 24) & 255;
3319 (*values)[1] = (value >> 16) & 255;
3320 (*values)[2] = (value >> 8) & 255;
3321 (*values)[3] = (value >> 0) & 255;
3322 }
3323
pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel * values,GLuint value)3324 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel* values, GLuint value)
3325 {
3326 (*values)[0] = (static_cast<GLint>(value) >> 24) & 255;
3327 (*values)[1] = (static_cast<GLint>(value) >> 16) & 255;
3328 (*values)[2] = (static_cast<GLint>(value) >> 8) & 255;
3329 (*values)[3] = (static_cast<GLint>(value) >> 0) & 255;
3330 }
3331
pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel * values,GLuint value)3332 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel* values, GLuint value)
3333 {
3334 (*values)[3] = ((value >> 24) & 255) / 255.0f;
3335 (*values)[2] = ((value >> 16) & 255) / 255.0f;
3336 (*values)[1] = ((value >> 8) & 255) / 255.0f;
3337 (*values)[0] = ((value >> 0) & 255) / 255.0f;
3338 }
3339
pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel * values,GLuint value)3340 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel* values, GLuint value)
3341 {
3342 (*values)[3] = (value >> 24) & 255;
3343 (*values)[2] = (value >> 16) & 255;
3344 (*values)[1] = (value >> 8) & 255;
3345 (*values)[0] = (value >> 0) & 255;
3346 }
3347
pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel * values,GLuint value)3348 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel* values, GLuint value)
3349 {
3350 (*values)[3] = (static_cast<GLint>(value) >> 24) & 255;
3351 (*values)[2] = (static_cast<GLint>(value) >> 16) & 255;
3352 (*values)[1] = (static_cast<GLint>(value) >> 8) & 255;
3353 (*values)[0] = (static_cast<GLint>(value) >> 0) & 255;
3354 }
3355
pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel * values,GLuint value)3356 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel* values, GLuint value)
3357 {
3358 (*values)[0] = ((value >> 22) & 1023) / 1023.0f;
3359 (*values)[1] = ((value >> 12) & 1023) / 1023.0f;
3360 (*values)[2] = ((value >> 2) & 1023) / 1023.0f;
3361 (*values)[3] = ((value >> 0) & 3) / 3.0f;
3362 }
3363
pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel * values,GLuint value)3364 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel* values, GLuint value)
3365 {
3366 (*values)[0] = ((value >> 22) & 1023);
3367 (*values)[1] = ((value >> 12) & 1023);
3368 (*values)[2] = ((value >> 2) & 1023);
3369 (*values)[3] = ((value >> 0) & 3);
3370 }
3371
pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel * values,GLuint value)3372 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel* values, GLuint value)
3373 {
3374 (*values)[0] = ((static_cast<GLint>(value) >> 22) & 1023);
3375 (*values)[1] = ((static_cast<GLint>(value) >> 12) & 1023);
3376 (*values)[2] = ((static_cast<GLint>(value) >> 2) & 1023);
3377 (*values)[3] = ((static_cast<GLint>(value) >> 0) & 3);
3378 }
3379
pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel * values,GLuint value)3380 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel* values, GLuint value)
3381 {
3382 (*values)[3] = ((value >> 30) & 3) / 3.0f;
3383 (*values)[2] = ((value >> 20) & 1023) / 1023.0f;
3384 (*values)[1] = ((value >> 10) & 1023) / 1023.0f;
3385 (*values)[0] = ((value >> 0) & 1023) / 1023.0f;
3386 }
3387
pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel * values,GLuint value)3388 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel* values, GLuint value)
3389 {
3390 (*values)[3] = (value >> 30) & 3;
3391 (*values)[2] = (value >> 20) & 1023;
3392 (*values)[1] = (value >> 10) & 1023;
3393 (*values)[0] = (value >> 0) & 1023;
3394 }
3395
pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel * values,GLuint value)3396 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel* values, GLuint value)
3397 {
3398 (*values)[3] = (static_cast<GLint>(value) >> 30) & 3;
3399 (*values)[2] = (static_cast<GLint>(value) >> 20) & 1023;
3400 (*values)[1] = (static_cast<GLint>(value) >> 10) & 1023;
3401 (*values)[0] = (static_cast<GLint>(value) >> 0) & 1023;
3402 }
3403
pack_UNSIGNED_INT_24_8(rawFloatPixel * values,GLuint value)3404 void RectangleTest::pack_UNSIGNED_INT_24_8(rawFloatPixel* values, GLuint value)
3405 {
3406 (*values)[0] = ((value >> 8) & 16777215) / 16777215.0f;
3407 (*values)[1] = ((value >> 0) & 255) / 255.0f;
3408 }
3409
pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel * values,GLuint value)3410 void RectangleTest::pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel* values, GLuint value)
3411 {
3412 (*values)[2] = unsignedF10ToFloat((value >> 22) & 1023);
3413 (*values)[1] = unsignedF11ToFloat((value >> 11) & 2047);
3414 (*values)[0] = unsignedF11ToFloat((value >> 0) & 2047);
3415 }
3416
pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel * values,GLuint value)3417 void RectangleTest::pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel* values, GLuint value)
3418 {
3419 const int B = 15;
3420 const int N = 9;
3421 GLint pExp = ((value >> 27) & 31);
3422 GLuint pBlue = ((value >> 18) & 511);
3423 GLuint pGreen = ((value >> 9) & 511);
3424 GLuint pRed = ((value >> 0) & 511);
3425
3426 (*values)[2] = (float)(pBlue * pow(2.0, pExp - B - N));
3427 (*values)[1] = (float)(pGreen * pow(2.0, pExp - B - N));
3428 (*values)[0] = (float)(pRed * pow(2.0, pExp - B - N));
3429 (*values)[3] = 1.0f;
3430 }
3431
pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel * values,F_32_UINT_24_8_REV value)3432 void RectangleTest::pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel* values, F_32_UINT_24_8_REV value)
3433 {
3434 (*values)[0] = value.d;
3435 (*values)[1] = (value.s & 255) / 255.0f;
3436 }
3437
getTexImage()3438 bool RectangleTest::getTexImage()
3439 {
3440 // for each output format
3441 for (int m = 0; m < DE_LENGTH_OF_ARRAY(coreFormats); ++m)
3442 {
3443 const PixelFormat& outputFormat = coreFormats[m];
3444
3445 // for each output type
3446 for (int n = 0; n < DE_LENGTH_OF_ARRAY(coreTypes); ++n)
3447 {
3448 const PixelType& outputType = coreTypes[n];
3449
3450 if ((m_inputFormat.format != m_internalFormat.format || m_inputType.type != m_internalFormat.type) &&
3451 (outputFormat.format != m_internalFormat.format || outputType.type != m_internalFormat.type))
3452 {
3453 continue;
3454 }
3455
3456 if (!getTexImageInner(outputFormat, outputType))
3457 return false;
3458 }
3459 }
3460
3461 return true;
3462 }
3463
getTexImageInner(const PixelFormat & outputFormat,const PixelType & outputType)3464 bool RectangleTest::getTexImageInner(const PixelFormat& outputFormat, const PixelType& outputType)
3465 {
3466 bool outputFormatValid = isFormatValid(outputFormat, outputType, m_internalFormat, false, true, OUTPUT_GETTEXIMAGE);
3467
3468 GLenum error = readOutputData(outputFormat, outputType, OUTPUT_GETTEXIMAGE);
3469 m_countGetTexImage++;
3470
3471 if (!outputFormatValid)
3472 {
3473 if (error)
3474 {
3475 m_countGetTexImageOK++;
3476 return true;
3477 }
3478
3479 m_testCtx.getLog() << tcu::TestLog::Message << "Expected error but got no GL error" << tcu::TestLog::EndMessage;
3480 return false;
3481 }
3482 else if (error)
3483 {
3484 m_testCtx.getLog() << tcu::TestLog::Message << "Error during glGetTexImage" << tcu::TestLog::EndMessage;
3485 return false;
3486 }
3487
3488 m_countGetTexImageOK++;
3489 m_countCompare++;
3490
3491 // compare output gradient to input gradient
3492 if (compare(&m_gradient[0], &m_outputBuffer[0], outputFormat, outputType, false))
3493 {
3494 m_countCompareOK++;
3495 return true;
3496 }
3497
3498 m_testCtx.getLog() << tcu::TestLog::Message << "Gradient comparison failed during GetTexImage for input = ["
3499 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type) << "] output = ["
3500 << getFormatStr(outputFormat.format) << ", " << getTypeStr(outputType.type) << "]"
3501 << tcu::TestLog::EndMessage;
3502 return false;
3503 }
3504
testAllFormatsAndTypes()3505 void RectangleTest::testAllFormatsAndTypes()
3506 {
3507 DE_ASSERT((m_textureTarget == GL_TEXTURE_2D) || (m_textureTarget == GL_TEXTURE_3D));
3508
3509 glu::RenderContext& renderContext = m_context.getRenderContext();
3510 const Functions& gl = renderContext.getFunctions();
3511 bool result = true;
3512
3513 gl.clear(GL_COLOR_BUFFER_BIT);
3514
3515 const PixelType* types;
3516 int typesCount;
3517 const PixelFormat* formats;
3518 int formatsCount;
3519 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
3520 {
3521 types = esTypes;
3522 typesCount = DE_LENGTH_OF_ARRAY(esTypes);
3523 formats = esFormats;
3524 formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
3525 }
3526 else
3527 {
3528 types = coreTypes;
3529 typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
3530 formats = coreFormats;
3531 formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
3532 }
3533
3534 for (int inputFormatIndex = 0; inputFormatIndex < formatsCount; inputFormatIndex++)
3535 {
3536 m_inputFormat = formats[inputFormatIndex];
3537
3538 for (int inputTypeIndex = 0; inputTypeIndex < typesCount; inputTypeIndex++)
3539 {
3540 GLenum error = 0;
3541 m_inputType = types[inputTypeIndex];
3542
3543 applyInitialStorageModes();
3544
3545 // Create input gradient in format,type, with appropriate range
3546 createGradient();
3547 if (m_gradient.empty())
3548 TCU_FAIL("Could not create gradient.");
3549
3550 if (m_unpackProperties.swapBytes)
3551 swapBytes(m_inputType.size, m_gradient);
3552
3553 GLuint texture;
3554 gl.genTextures(1, &texture);
3555 gl.bindTexture(m_textureTarget, texture);
3556 GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture");
3557 if (m_textureTarget == GL_TEXTURE_3D)
3558 {
3559 gl.texImage3D(GL_TEXTURE_3D, 0, m_internalFormat.sizedFormat, GRADIENT_WIDTH, GRADIENT_HEIGHT, 1, 0,
3560 m_inputFormat.format, m_inputType.type, &m_gradient[0]);
3561 }
3562 else
3563 {
3564 gl.texImage2D(GL_TEXTURE_2D, 0, m_internalFormat.sizedFormat, GRADIENT_WIDTH, GRADIENT_HEIGHT, 0,
3565 m_inputFormat.format, m_inputType.type, &m_gradient[0]);
3566 }
3567
3568 if (m_unpackProperties.swapBytes)
3569 swapBytes(m_inputType.size, m_gradient);
3570
3571 error = gl.getError();
3572 if (isFormatValid(m_inputFormat, m_inputType, m_internalFormat, true, false, INPUT_TEXIMAGE))
3573 {
3574 if (error == GL_NO_ERROR)
3575 {
3576 if (!glu::isContextTypeES(renderContext.getType()))
3577 result &= getTexImage();
3578 result &= doRead(texture);
3579 }
3580 else
3581 {
3582 m_testCtx.getLog() << tcu::TestLog::Message << "Valid format used but glTexImage2D/3D failed"
3583 << tcu::TestLog::EndMessage;
3584 result = false;
3585 }
3586 }
3587 else if (error == GL_NO_ERROR)
3588 {
3589 m_testCtx.getLog() << tcu::TestLog::Message << "Invalid format used but glTexImage2D/3D succeeded"
3590 << tcu::TestLog::EndMessage;
3591 result = false;
3592 }
3593
3594 gl.deleteTextures(1, &texture);
3595 }
3596 }
3597
3598 if (result)
3599 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
3600 else
3601 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
3602 }
3603
iterate(void)3604 tcu::TestNode::IterateResult RectangleTest::iterate(void)
3605 {
3606 resetInitialStorageModes();
3607 testAllFormatsAndTypes();
3608 return STOP;
3609 }
3610
3611 class InitialValuesTest : public deqp::TestCase
3612 {
3613 public:
3614 InitialValuesTest(deqp::Context& context);
3615 virtual ~InitialValuesTest();
3616
3617 tcu::TestNode::IterateResult iterate(void);
3618 };
3619
InitialValuesTest(deqp::Context & context)3620 InitialValuesTest::InitialValuesTest(deqp::Context& context)
3621 : deqp::TestCase(context, "initial_values", "Verify if all UNPACK and PACK initial "
3622 "state matches the values in table 6.28 (6.23, in ES.)")
3623 {
3624 }
3625
~InitialValuesTest()3626 InitialValuesTest::~InitialValuesTest()
3627 {
3628 }
3629
iterate(void)3630 tcu::TestNode::IterateResult InitialValuesTest::iterate(void)
3631 {
3632 glu::RenderContext& renderContext = m_context.getRenderContext();
3633 const Functions& gl = renderContext.getFunctions();
3634
3635 bool result = true;
3636
3637 GLenum commonIntModes[] = { GL_UNPACK_ROW_LENGTH, GL_UNPACK_SKIP_ROWS, GL_UNPACK_SKIP_PIXELS,
3638 GL_UNPACK_IMAGE_HEIGHT, GL_UNPACK_SKIP_IMAGES, GL_PACK_ROW_LENGTH,
3639 GL_PACK_SKIP_ROWS, GL_PACK_SKIP_PIXELS };
3640
3641 // check if following eight storage modes are 0
3642 GLint i = 1;
3643 for (int mode = 0; mode < DE_LENGTH_OF_ARRAY(commonIntModes); mode++)
3644 {
3645 gl.getIntegerv(commonIntModes[mode], &i);
3646 result &= (i == 0);
3647 }
3648
3649 // check if following two storage modes are 4
3650 gl.getIntegerv(GL_UNPACK_ALIGNMENT, &i);
3651 result &= (i == 4);
3652 gl.getIntegerv(GL_PACK_ALIGNMENT, &i);
3653 result &= (i == 4);
3654
3655 // check storage modes available only in core GL
3656 if (!glu::isContextTypeES(renderContext.getType()))
3657 {
3658 // check if following four boolean modes are false
3659 GLboolean b = true;
3660 gl.getBooleanv(GL_UNPACK_SWAP_BYTES, &b);
3661 result &= (b == false);
3662 gl.getBooleanv(GL_UNPACK_LSB_FIRST, &b);
3663 result &= (b == false);
3664 gl.getBooleanv(GL_PACK_SWAP_BYTES, &b);
3665 result &= (b == false);
3666 gl.getBooleanv(GL_PACK_LSB_FIRST, &b);
3667 result &= (b == false);
3668
3669 // check if following two modes are 0
3670 gl.getIntegerv(GL_PACK_IMAGE_HEIGHT, &i);
3671 result &= (i == 0);
3672 gl.getIntegerv(GL_PACK_SKIP_IMAGES, &i);
3673 result &= (i == 0);
3674 }
3675
3676 // make sure that no pack/unpack buffers are bound
3677 gl.getIntegerv(GL_PIXEL_PACK_BUFFER_BINDING, &i);
3678 result &= (i == 0);
3679 gl.getIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &i);
3680 result &= (i == 0);
3681
3682 if (result)
3683 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
3684 else
3685 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
3686 return STOP;
3687 }
3688
3689 class PBORectangleTest : public RectangleTest
3690 {
3691 public:
3692 PBORectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
3693 virtual ~PBORectangleTest();
3694 };
3695
PBORectangleTest(deqp::Context & context,std::string & name,InternalFormat internalFormat)3696 PBORectangleTest::PBORectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
3697 : RectangleTest(context, name, internalFormat)
3698 {
3699 m_usePBO = true;
3700 }
3701
~PBORectangleTest()3702 PBORectangleTest::~PBORectangleTest()
3703 {
3704 }
3705
3706 class VariedRectangleTest : public RectangleTest
3707 {
3708 public:
3709 VariedRectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
3710 virtual ~VariedRectangleTest();
3711
3712 tcu::TestNode::IterateResult iterate(void);
3713
3714 protected:
3715 struct StoreMode
3716 {
3717 GLenum parameter;
3718 GLint* property;
3719 GLint value;
3720 };
3721 };
3722
VariedRectangleTest(deqp::Context & context,std::string & name,InternalFormat internalFormat)3723 VariedRectangleTest::VariedRectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
3724 : RectangleTest(context, name, internalFormat)
3725 {
3726 }
3727
~VariedRectangleTest()3728 VariedRectangleTest::~VariedRectangleTest()
3729 {
3730 }
3731
iterate(void)3732 tcu::TestNode::IterateResult VariedRectangleTest::iterate(void)
3733 {
3734 const int IMAGE_WIDTH_1 = 10;
3735 const int IMAGE_WIDTH_2 = 15;
3736 const int IMAGE_HEIGHT_1 = 10;
3737 const int IMAGE_HEIGHT_2 = 15;
3738
3739 PackedPixelsBufferProperties& up = m_initialUnpackProperties;
3740 PackedPixelsBufferProperties& pp = m_initialPackProperties;
3741
3742 StoreMode commonCases[] = {
3743 { GL_UNPACK_ROW_LENGTH, &up.rowLength, 0 },
3744 { GL_UNPACK_ROW_LENGTH, &up.rowLength, IMAGE_WIDTH_1 },
3745 { GL_UNPACK_ROW_LENGTH, &up.rowLength, IMAGE_WIDTH_2 },
3746 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 0 },
3747 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 1 },
3748 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 2 },
3749 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 0 },
3750 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 1 },
3751 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 2 },
3752 { GL_UNPACK_ALIGNMENT, &up.alignment, 1 },
3753 { GL_UNPACK_ALIGNMENT, &up.alignment, 2 },
3754 { GL_UNPACK_ALIGNMENT, &up.alignment, 4 },
3755 { GL_UNPACK_ALIGNMENT, &up.alignment, 8 },
3756 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, 0 },
3757 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, IMAGE_HEIGHT_1 },
3758 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, IMAGE_HEIGHT_2 },
3759 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 0 },
3760 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 1 },
3761 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 2 },
3762 { GL_PACK_ROW_LENGTH, &pp.rowLength, 0 },
3763 { GL_PACK_ROW_LENGTH, &pp.rowLength, IMAGE_WIDTH_1 },
3764 { GL_PACK_ROW_LENGTH, &pp.rowLength, IMAGE_WIDTH_2 },
3765 { GL_PACK_SKIP_ROWS, &pp.skipRows, 0 },
3766 { GL_PACK_SKIP_ROWS, &pp.skipRows, 1 },
3767 { GL_PACK_SKIP_ROWS, &pp.skipRows, 2 },
3768 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 0 },
3769 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 1 },
3770 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 2 },
3771 { GL_PACK_ALIGNMENT, &pp.alignment, 1 },
3772 { GL_PACK_ALIGNMENT, &pp.alignment, 2 },
3773 { GL_PACK_ALIGNMENT, &pp.alignment, 4 },
3774 { GL_PACK_ALIGNMENT, &pp.alignment, 8 },
3775 };
3776
3777 StoreMode coreCases[] = {
3778 { GL_UNPACK_SWAP_BYTES, &up.swapBytes, GL_FALSE },
3779 { GL_UNPACK_SWAP_BYTES, &up.swapBytes, GL_TRUE },
3780 { GL_UNPACK_LSB_FIRST, &up.lsbFirst, GL_FALSE },
3781 { GL_UNPACK_LSB_FIRST, &up.lsbFirst, GL_TRUE },
3782 { GL_PACK_SWAP_BYTES, &pp.swapBytes, GL_FALSE },
3783 { GL_PACK_SWAP_BYTES, &pp.swapBytes, GL_TRUE },
3784 { GL_PACK_LSB_FIRST, &pp.lsbFirst, GL_FALSE },
3785 { GL_PACK_LSB_FIRST, &pp.lsbFirst, GL_TRUE },
3786 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, 0 },
3787 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, IMAGE_HEIGHT_1 },
3788 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, IMAGE_HEIGHT_2 },
3789 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 0 },
3790 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 1 },
3791 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 2 },
3792 };
3793
3794 std::vector<StoreMode> testModes(commonCases, commonCases + DE_LENGTH_OF_ARRAY(commonCases));
3795 glu::RenderContext& renderContext = m_context.getRenderContext();
3796 bool contextTypeIsCoreGL = !glu::isContextTypeES(renderContext.getType());
3797 if (contextTypeIsCoreGL)
3798 testModes.insert(testModes.end(), coreCases, coreCases + DE_LENGTH_OF_ARRAY(coreCases));
3799
3800 std::vector<StoreMode>::iterator currentCase = testModes.begin();
3801 while (currentCase != testModes.end())
3802 {
3803 resetInitialStorageModes();
3804
3805 GLenum parameter = currentCase->parameter;
3806 GLint value = currentCase->value;
3807
3808 *(currentCase->property) = value;
3809
3810 // for some parameters an additional parameter needs to be set
3811 if (parameter == GL_PACK_SKIP_ROWS)
3812 {
3813 if (contextTypeIsCoreGL)
3814 m_initialPackProperties.rowCount = GRADIENT_HEIGHT + value;
3815 }
3816 else if (parameter == GL_PACK_SKIP_PIXELS)
3817 m_initialPackProperties.rowLength = GRADIENT_WIDTH + value;
3818 else if (parameter == GL_UNPACK_SKIP_ROWS)
3819 m_initialUnpackProperties.rowCount = GRADIENT_HEIGHT + value;
3820 else if (parameter == GL_UNPACK_SKIP_PIXELS)
3821 m_initialUnpackProperties.rowLength = GRADIENT_WIDTH + value;
3822
3823 m_textureTarget = GL_TEXTURE_2D;
3824 if ((parameter == GL_PACK_IMAGE_HEIGHT) || (parameter == GL_PACK_SKIP_IMAGES) ||
3825 (parameter == GL_UNPACK_IMAGE_HEIGHT) || (parameter == GL_UNPACK_SKIP_IMAGES))
3826 m_textureTarget = GL_TEXTURE_3D;
3827
3828 testAllFormatsAndTypes();
3829
3830 if (m_testCtx.getTestResult() != QP_TEST_RESULT_PASS)
3831 {
3832 m_testCtx.getLog() << tcu::TestLog::Message
3833 << "Case for: " << glu::getGettableStateStr(parameter).toString() << " = " << value
3834 << " failed." << tcu::TestLog::EndMessage;
3835 return STOP;
3836 }
3837
3838 ++currentCase;
3839 }
3840
3841 return STOP;
3842 }
3843
PackedPixelsTests(deqp::Context & context)3844 PackedPixelsTests::PackedPixelsTests(deqp::Context& context) : TestCaseGroup(context, "packed_pixels", "")
3845 {
3846 }
3847
~PackedPixelsTests(void)3848 PackedPixelsTests::~PackedPixelsTests(void)
3849 {
3850 #ifdef LOG_PACKED_PIXELS_STATISTICS
3851 m_testCtx.getLog() << tcu::TestLog::Message << "PackedPixelsTests statistics:"
3852 << "\n countReadPixels: " << RectangleTest::m_countReadPixels
3853 << "\n countReadPixelsOK: " << RectangleTest::m_countReadPixelsOK
3854 << "\n countGetTexImage: " << RectangleTest::m_countGetTexImage
3855 << "\n countGetTexImageOK: " << RectangleTest::m_countGetTexImageOK
3856 << "\n countCompare: " << RectangleTest::m_countCompare
3857 << "\n countCompareOK: " << RectangleTest::m_countCompareOK << tcu::TestLog::EndMessage;
3858 #endif
3859 }
3860
init(void)3861 void PackedPixelsTests::init(void)
3862 {
3863 const InternalFormat* internalFormats;
3864 unsigned int internalFormatsCount;
3865
3866 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
3867 {
3868 internalFormats = esInternalformats;
3869 internalFormatsCount = DE_LENGTH_OF_ARRAY(esInternalformats);
3870 }
3871 else
3872 {
3873 internalFormats = coreInternalformats;
3874 internalFormatsCount = DE_LENGTH_OF_ARRAY(coreInternalformats);
3875 }
3876
3877 TestCaseGroup* rectangleGroup = new deqp::TestCaseGroup(m_context, "rectangle", "");
3878 rectangleGroup->addChild(new InitialValuesTest(m_context));
3879 TestCaseGroup* pboRectangleGroup = new deqp::TestCaseGroup(m_context, "pbo_rectangle", "");
3880 TestCaseGroup* variedRectangleGroup = new deqp::TestCaseGroup(m_context, "varied_rectangle", "");
3881
3882 for (unsigned int internalFormatIndex = 0; internalFormatIndex < internalFormatsCount; internalFormatIndex++)
3883 {
3884 const InternalFormat& internalFormat = internalFormats[internalFormatIndex];
3885 std::string internalFormatString = getFormatStr(internalFormat.sizedFormat);
3886
3887 std::string name = internalFormatString.substr(3);
3888 std::transform(name.begin(), name.end(), name.begin(), tolower);
3889
3890 rectangleGroup->addChild(new RectangleTest(m_context, name, internalFormat));
3891 pboRectangleGroup->addChild(new PBORectangleTest(m_context, name, internalFormat));
3892 variedRectangleGroup->addChild(new VariedRectangleTest(m_context, name, internalFormat));
3893 }
3894
3895 addChild(rectangleGroup);
3896 addChild(pboRectangleGroup);
3897 addChild(variedRectangleGroup);
3898 }
3899
3900 } /* glcts namespace */
3901