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 = 0; k < depth; k++)
1251 {
1252 for (int j = 0; j < rowCount; j++)
1253 {
1254 for (int i = 0; i < elementsInRow; i++)
1255 {
1256 int x = i / elementsInGroup;
1257 if ((k == depth - 1) && (m_unpackProperties.skipRows <= j) &&
1258 (j < m_unpackProperties.skipRows + GRADIENT_HEIGHT) && (m_unpackProperties.skipPixels <= x) &&
1259 (x < m_unpackProperties.skipPixels + GRADIENT_WIDTH))
1260 {
1261 float value = static_cast<float>(x - m_unpackProperties.skipPixels) / GRADIENT_WIDTH;
1262 int channel = i - elementsInGroup * x;
1263 value *= 1.0f - 0.25f * channel;
1264 data[index] = unpack(value);
1265 }
1266 else
1267 {
1268 data[index] = defaultValue;
1269 }
1270 index++;
1271 }
1272 }
1273 }
1274 }
1275
1276 template <typename Type>
unpackSizedComponents(float value,int s1,int s2,int s3,int s4)1277 Type RectangleTest::unpackSizedComponents(float value, int s1, int s2, int s3, int s4)
1278 {
1279 int typeBits = sizeof(Type) * 8;
1280 double v = static_cast<double>(value);
1281 Type c1 = static_cast<Type>(v * 1.00 * ((1 << s1) - 1));
1282 Type c2 = static_cast<Type>(v * 0.75 * ((1 << s2) - 1));
1283 Type c3 = static_cast<Type>(v * 0.50 * ((1 << s3) - 1));
1284 Type c4 = static_cast<Type>(v * 0.25 * ((1 << s4) - 1));
1285 return ((c1) << (typeBits - s1)) | ((c2) << (typeBits - s1 - s2)) | ((c3) << (typeBits - s1 - s2 - s3)) |
1286 ((c4) << (typeBits - s1 - s2 - s3 - s4));
1287 }
1288
1289 template <typename Type>
unpackSizedComponentsRev(float value,int s1,int s2,int s3,int s4)1290 Type RectangleTest::unpackSizedComponentsRev(float value, int s1, int s2, int s3, int s4)
1291 {
1292 int typeBits = sizeof(Type) * 8;
1293 double v = static_cast<double>(value);
1294 Type c1 = static_cast<Type>(v * 1.00 * ((1 << s4) - 1));
1295 Type c2 = static_cast<Type>(v * 0.75 * ((1 << s3) - 1));
1296 Type c3 = static_cast<Type>(v * 0.50 * ((1 << s2) - 1));
1297 Type c4 = static_cast<Type>(v * 0.25 * ((1 << s1) - 1));
1298 return ((c4) << (typeBits - s1)) | ((c3) << (typeBits - s1 - s2)) | ((c2) << (typeBits - s1 - s2 - s3)) |
1299 ((c1) << (typeBits - s1 - s2 - s3 - s4));
1300 }
1301
unpack_UNSIGNED_BYTE(float value)1302 GLubyte RectangleTest::unpack_UNSIGNED_BYTE(float value)
1303 {
1304 return static_cast<GLubyte>(value * std::numeric_limits<GLubyte>::max());
1305 }
1306
unpack_BYTE(float value)1307 GLbyte RectangleTest::unpack_BYTE(float value)
1308 {
1309 return static_cast<GLbyte>(value * std::numeric_limits<GLbyte>::max());
1310 }
1311
unpack_UNSIGNED_SHORT(float value)1312 GLushort RectangleTest::unpack_UNSIGNED_SHORT(float value)
1313 {
1314 return static_cast<GLushort>(value * std::numeric_limits<GLushort>::max());
1315 }
1316
unpack_SHORT(float value)1317 GLshort RectangleTest::unpack_SHORT(float value)
1318 {
1319 return static_cast<GLshort>(value * std::numeric_limits<GLshort>::max());
1320 }
1321
unpack_UNSIGNED_INT(float value)1322 GLuint RectangleTest::unpack_UNSIGNED_INT(float value)
1323 {
1324 return static_cast<GLuint>(value * std::numeric_limits<GLuint>::max());
1325 }
1326
unpack_INT(float value)1327 GLint RectangleTest::unpack_INT(float value)
1328 {
1329 return static_cast<GLint>(value * std::numeric_limits<GLint>::max());
1330 }
1331
unpack_HALF_FLOAT(float value)1332 GLhalf RectangleTest::unpack_HALF_FLOAT(float value)
1333 {
1334 return floatToHalfFloat(value);
1335 }
1336
unpack_FLOAT(float value)1337 GLfloat RectangleTest::unpack_FLOAT(float value)
1338 {
1339 return value;
1340 }
1341
unpack_UNSIGNED_BYTE_3_3_2(float value)1342 GLubyte RectangleTest::unpack_UNSIGNED_BYTE_3_3_2(float value)
1343 {
1344 return unpackSizedComponents<GLubyte>(value, 3, 3, 2, 0);
1345 }
1346
unpack_UNSIGNED_BYTE_2_3_3_REV(float value)1347 GLubyte RectangleTest::unpack_UNSIGNED_BYTE_2_3_3_REV(float value)
1348 {
1349 return unpackSizedComponentsRev<GLubyte>(value, 2, 3, 3, 0);
1350 }
1351
unpack_UNSIGNED_SHORT_5_6_5_REV(float value)1352 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5_REV(float value)
1353 {
1354 return unpackSizedComponentsRev<GLushort>(value, 5, 6, 5, 0);
1355 }
1356
unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value)1357 GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value)
1358 {
1359 return unpackSizedComponentsRev<GLushort>(value, 4, 4, 4, 4);
1360 }
1361
unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value)1362 GLushort RectangleTest::unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value)
1363 {
1364 return unpackSizedComponentsRev<GLushort>(value, 1, 5, 5, 5);
1365 }
1366
unpack_UNSIGNED_INT_8_8_8_8(float value)1367 GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8(float value)
1368 {
1369 return unpackSizedComponents<GLuint>(value, 8, 8, 8, 8);
1370 }
1371
unpack_UNSIGNED_INT_8_8_8_8_REV(float value)1372 GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8_REV(float value)
1373 {
1374 return unpackSizedComponentsRev<GLuint>(value, 8, 8, 8, 8);
1375 }
1376
unpack_UNSIGNED_INT_10_10_10_2(float value)1377 GLuint RectangleTest::unpack_UNSIGNED_INT_10_10_10_2(float value)
1378 {
1379 return unpackSizedComponents<GLuint>(value, 10, 10, 10, 2);
1380 }
1381
unpack_UNSIGNED_SHORT_5_6_5(float value)1382 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5(float value)
1383 {
1384 return unpackSizedComponents<GLushort>(value, 5, 6, 5, 0);
1385 }
1386
unpack_UNSIGNED_SHORT_4_4_4_4(float value)1387 GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4(float value)
1388 {
1389 return unpackSizedComponents<GLushort>(value, 4, 4, 4, 4);
1390 }
1391
unpack_UNSIGNED_SHORT_5_5_5_1(float value)1392 GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_5_5_1(float value)
1393 {
1394 return unpackSizedComponents<GLushort>(value, 5, 5, 5, 1);
1395 }
1396
unpack_UNSIGNED_INT_2_10_10_10_REV(float value)1397 GLuint RectangleTest::unpack_UNSIGNED_INT_2_10_10_10_REV(float value)
1398 {
1399 return unpackSizedComponentsRev<GLuint>(value, 2, 10, 10, 10);
1400 }
1401
unpack_UNSIGNED_INT_24_8(float value)1402 GLuint RectangleTest::unpack_UNSIGNED_INT_24_8(float value)
1403 {
1404 return unpackSizedComponents<GLuint>(value, 24, 8, 0, 0);
1405 }
1406
unpack_UNSIGNED_INT_5_9_9_9_REV(float value)1407 GLuint RectangleTest::unpack_UNSIGNED_INT_5_9_9_9_REV(float value)
1408 {
1409 const int N = 9;
1410 const int B = 15;
1411 const int E_max = 31;
1412
1413 GLfloat red = value * 1.00f;
1414 GLfloat green = value * 0.75f;
1415 GLfloat blue = value * 0.50f;
1416
1417 GLfloat sharedExpMax = (deFloatPow(2.0f, (float)N) - 1.0f) / deFloatPow(2.0f, (float)N) * deFloatPow(2.0f, (float)(E_max - B));
1418
1419 GLfloat red_c = deFloatMax(0, deFloatMin(sharedExpMax, red));
1420 GLfloat green_c = deFloatMax(0, deFloatMin(sharedExpMax, green));
1421 GLfloat blue_c = deFloatMax(0, deFloatMin(sharedExpMax, blue));
1422
1423 GLfloat max_c = deFloatMax(deFloatMax(red_c, green_c), blue_c);
1424
1425 GLfloat exp_p = deFloatMax(-B - 1, deFloatFloor(deFloatLog2(max_c))) + 1 + B;
1426
1427 GLfloat max_s = deFloatFloor(max_c / deFloatPow(2.0f, exp_p - (float)B - (float)N) + 0.5f);
1428
1429 GLfloat exp_s;
1430
1431 if (0 <= max_s && max_s < deFloatPow(2.0f, (float)N))
1432 exp_s = exp_p;
1433 else
1434 exp_s = exp_p + 1;
1435
1436 GLfloat red_s = deFloatFloor(red_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1437 GLfloat green_s = deFloatFloor(green_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1438 GLfloat blue_s = deFloatFloor(blue_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
1439
1440 GLuint c1 = (static_cast<GLuint>(red_s)) & 511;
1441 GLuint c2 = (static_cast<GLuint>(green_s)) & 511;
1442 GLuint c3 = (static_cast<GLuint>(blue_s)) & 511;
1443 GLuint c4 = (static_cast<GLuint>(exp_s)) & 31;
1444
1445 return (c1) | (c2 << 9) | (c3 << 18) | (c4 << 27);
1446 }
1447
unpack_UNSIGNED_INT_10F_11F_11F_REV(float value)1448 GLuint RectangleTest::unpack_UNSIGNED_INT_10F_11F_11F_REV(float value)
1449 {
1450 GLuint c1 = floatToUnisgnedF11(value * 1.00f);
1451 GLuint c2 = floatToUnisgnedF11(value * 0.75f);
1452 GLuint c3 = floatToUnisgnedF10(value * 0.50f);
1453 return (c3 << 22) | (c2 << 11) | (c1);
1454 }
1455
unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value)1456 F_32_UINT_24_8_REV RectangleTest::unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value)
1457 {
1458 F_32_UINT_24_8_REV ret;
1459 ret.d = value;
1460 ret.s = (GLuint)(value * 255.0 * 0.75);
1461 ret.s &= 0xff;
1462 return ret;
1463 }
1464
isFormatValid(const PixelFormat & format,const PixelType & type,const struct InternalFormat & internalformat,bool checkInput,bool checkOutput,int operation) const1465 bool RectangleTest::isFormatValid(const PixelFormat& format, const PixelType& type,
1466 const struct InternalFormat& internalformat, bool checkInput, bool checkOutput,
1467 int operation) const
1468 {
1469 glu::RenderContext& renderContext = m_context.getRenderContext();
1470 glu::ContextType contextType = renderContext.getType();
1471 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1472 const Functions& gl = renderContext.getFunctions();
1473
1474 int i;
1475
1476 // Test the combination of input format, input type and internalFormat
1477 if (glu::isContextTypeES(contextType))
1478 {
1479 if (checkInput)
1480 {
1481 // GLES30 has more restricted requirement on combination than GL for input
1482 for (i = 0; i < DE_LENGTH_OF_ARRAY(esValidFormats); ++i)
1483 {
1484 if (internalformat.sizedFormat == esValidFormats[i].internalformat &&
1485 format.format == esValidFormats[i].format && type.type == esValidFormats[i].type)
1486 {
1487 break;
1488 }
1489 }
1490
1491 if (i == DE_LENGTH_OF_ARRAY(esValidFormats))
1492 {
1493 // Check for support of OES_texture_float extension
1494 if (((GL_LUMINANCE_ALPHA == format.format) && (GL_LUMINANCE_ALPHA == internalformat.sizedFormat)) ||
1495 ((GL_LUMINANCE == format.format) && (GL_LUMINANCE == internalformat.sizedFormat)) ||
1496 ((GL_ALPHA == format.format) && (GL_ALPHA == internalformat.sizedFormat)) ||
1497 ((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
1498 ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
1499 {
1500 if ((contextInfo.isExtensionSupported("GL_OES_texture_float") && (GL_FLOAT == type.type)) ||
1501 (contextInfo.isExtensionSupported("GL_OES_texture_half_float") &&
1502 (GL_HALF_FLOAT_OES == type.type)))
1503 {
1504 return true;
1505 }
1506 }
1507
1508 // Check for support of EXT_texture_type_2_10_10_10_REV extension
1509 if (((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
1510 ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
1511 {
1512 if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
1513 ((GL_UNSIGNED_INT_2_10_10_10_REV_EXT == type.type)))
1514 return true;
1515 }
1516
1517 // Check for support of NV_packed_float extension
1518 if ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat))
1519 {
1520 if (contextInfo.isExtensionSupported("GL_NV_packed_float") &&
1521 ((GL_UNSIGNED_INT_10F_11F_11F_REV == type.type)))
1522 return true;
1523 }
1524
1525 // Check for support of EXT_texture_type_2_10_10_10_REV and GL_OES_required_internalformat extensions
1526 if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
1527 contextInfo.isExtensionSupported("GL_OES_required_internalformat"))
1528 {
1529 for (i = 0; i < DE_LENGTH_OF_ARRAY(validformats_OES_required_internalformat); ++i)
1530 {
1531 if (internalformat.sizedFormat == validformats_OES_required_internalformat[i].internalformat &&
1532 format.format == validformats_OES_required_internalformat[i].format &&
1533 type.type == validformats_OES_required_internalformat[i].type)
1534 {
1535 return true;
1536 }
1537 }
1538 }
1539
1540 return false;
1541 }
1542
1543 if ((m_textureTarget == GL_TEXTURE_3D) &&
1544 ((format.format == GL_DEPTH_COMPONENT) || (format.format == GL_DEPTH_STENCIL)))
1545 return false;
1546 }
1547 else if (checkOutput)
1548 {
1549 // GLES30 has more restricted requirement on combination than GL for output
1550 // As stated in Section Reading Pixels
1551 InternalFormatSamplerType sampler = internalformat.sampler;
1552
1553 const PixelFormat& inputFormat = getPixelFormat(internalformat.format);
1554
1555 if (inputFormat.attachment == GL_DEPTH_ATTACHMENT && contextInfo.isExtensionSupported("GL_NV_read_depth") &&
1556 format.format == GL_DEPTH_COMPONENT &&
1557 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
1558 (sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
1559 type.type == GL_UNSIGNED_INT_24_8))))
1560 {
1561 return true;
1562 }
1563
1564 if (inputFormat.attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
1565 contextInfo.isExtensionSupported("GL_NV_read_depth_stencil") &&
1566 ((format.format == GL_DEPTH_STENCIL &&
1567 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) ||
1568 (sampler != SAMPLER_FLOAT && type.type == GL_UNSIGNED_INT_24_8))) ||
1569 (format.format == GL_DEPTH_COMPONENT &&
1570 ((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
1571 (sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
1572 type.type == GL_UNSIGNED_INT_24_8))))))
1573 {
1574 return true;
1575 }
1576
1577 if (inputFormat.attachment != GL_COLOR_ATTACHMENT0)
1578 {
1579 return false;
1580 }
1581
1582 if ((sampler == SAMPLER_UNORM) && (((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGB) &&
1583 (internalformat.sizedFormat == GL_SRGB8)) ||
1584 ((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
1585 (internalformat.sizedFormat == GL_SRGB8_ALPHA8))) &&
1586 contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
1587 {
1588 return true;
1589 }
1590
1591 if ((sampler == SAMPLER_NORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
1592 ((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
1593 (internalformat.sizedFormat == GL_RGBA8_SNORM) || (internalformat.sizedFormat == GL_R16_SNORM) ||
1594 (internalformat.sizedFormat == GL_RG16_SNORM) || (internalformat.sizedFormat == GL_RGBA16_SNORM)) &&
1595 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1596 {
1597 return true;
1598 }
1599
1600 if ((sampler == SAMPLER_NORM) && (type.type == GL_BYTE) && (format.format == GL_RGBA) &&
1601 ((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
1602 (internalformat.sizedFormat == GL_RGBA8_SNORM)) &&
1603 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1604 {
1605 return true;
1606 }
1607
1608 GLint implementType;
1609 GLint implementFormat;
1610 gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &implementType);
1611 gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &implementFormat);
1612 GLenum err = gl.getError();
1613 GLenum implementTypeEnum = static_cast<GLenum>(implementType);
1614 GLenum implementFormatEnum = static_cast<GLenum>(implementFormat);
1615
1616 if (((sampler == SAMPLER_UNORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA)) ||
1617 ((sampler == SAMPLER_UINT) && (type.type == GL_UNSIGNED_INT) && (format.format == GL_RGBA_INTEGER)) ||
1618 ((sampler == SAMPLER_INT) && (type.type == GL_INT) && (format.format == GL_RGBA_INTEGER)) ||
1619 ((sampler == SAMPLER_FLOAT) && (type.type == GL_FLOAT) && (format.format == GL_RGBA)) ||
1620 ((err == GL_NO_ERROR) && (type.type == implementTypeEnum) && (format.format == implementFormatEnum)) ||
1621 ((internalformat.sizedFormat == GL_RGB10_A2) && (type.type == GL_UNSIGNED_INT_2_10_10_10_REV) &&
1622 (format.format == GL_RGBA)))
1623 {
1624 return true;
1625 }
1626 else
1627 {
1628 return false;
1629 }
1630 }
1631 }
1632 else
1633 {
1634 if (format.format == GL_DEPTH_STENCIL)
1635 {
1636 if (type.type != GL_UNSIGNED_INT_24_8 && type.type != GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
1637 {
1638 return false;
1639 }
1640 }
1641
1642 if ((format.componentFormat == FORMAT_COLOR_INTEGER) && (type.type == GL_FLOAT || type.type == GL_HALF_FLOAT))
1643 {
1644 return false;
1645 }
1646
1647 if ((internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_STENCIL_INDEX ||
1648 internalformat.baseFormat == GL_DEPTH_COMPONENT) !=
1649 (format.format == GL_DEPTH_STENCIL || format.format == GL_STENCIL_INDEX ||
1650 format.format == GL_DEPTH_COMPONENT))
1651 {
1652 return false;
1653 }
1654
1655 if (operation == INPUT_TEXIMAGE)
1656 {
1657 if (format.format == GL_STENCIL_INDEX || internalformat.baseFormat == GL_STENCIL_INDEX)
1658 {
1659 return false;
1660 }
1661
1662 if ((format.format == GL_DEPTH_COMPONENT || format.format == GL_DEPTH_STENCIL) &&
1663 !(internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_DEPTH_COMPONENT))
1664 {
1665 return false;
1666 }
1667 }
1668 else if (operation == OUTPUT_GETTEXIMAGE)
1669 {
1670 if ((format.format == GL_STENCIL_INDEX &&
1671 ((internalformat.baseFormat != GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL) ||
1672 !contextInfo.isExtensionSupported("GL_ARB_texture_stencil8"))))
1673 {
1674 return false;
1675 }
1676
1677 if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
1678 {
1679 return false;
1680 }
1681 }
1682 else if (operation == OUTPUT_READPIXELS)
1683 {
1684 if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
1685 {
1686 return false;
1687 }
1688
1689 if (format.format == GL_DEPTH_COMPONENT && internalformat.baseFormat != GL_DEPTH_STENCIL &&
1690 internalformat.baseFormat != GL_DEPTH_COMPONENT)
1691 {
1692 return false;
1693 }
1694
1695 if (format.format == GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL &&
1696 internalformat.baseFormat != GL_STENCIL_INDEX)
1697 {
1698 return false;
1699 }
1700 }
1701
1702 if (type.special == true)
1703 {
1704 bool valid = false;
1705
1706 for (i = 0; i < DE_LENGTH_OF_ARRAY(coreValidFormats); ++i)
1707 {
1708 if (coreValidFormats[i].format == format.format && coreValidFormats[i].type == type.type)
1709 {
1710 valid = true;
1711 break;
1712 }
1713 }
1714
1715 if (!valid)
1716 return false;
1717 }
1718
1719 if ((format.componentFormat == FORMAT_COLOR_INTEGER) &&
1720 !(internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
1721 {
1722 return false;
1723 }
1724
1725 if (!(format.componentFormat == FORMAT_COLOR_INTEGER) &&
1726 (internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
1727 {
1728 return false;
1729 }
1730
1731 if ((m_textureTarget == GL_TEXTURE_3D) &&
1732 ((internalformat.baseFormat == GL_DEPTH_COMPONENT) || (internalformat.baseFormat == GL_DEPTH_STENCIL) ||
1733 (internalformat.sizedFormat == GL_COMPRESSED_RED_RGTC1) ||
1734 (internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RED_RGTC1) ||
1735 (internalformat.sizedFormat == GL_COMPRESSED_RG_RGTC2) ||
1736 (internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RG_RGTC2)))
1737 {
1738 return false;
1739 }
1740 }
1741
1742 return true;
1743 }
1744
isUnsizedFormat(GLenum format) const1745 bool RectangleTest::isUnsizedFormat(GLenum format) const
1746 {
1747 GLenum formats[] = { GL_RGBA, GL_RGB, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA };
1748 GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
1749 return (std::find(formats, formatsEnd, format) < formatsEnd);
1750 }
1751
isSRGBFormat(const InternalFormat & internalFormat) const1752 bool RectangleTest::isSRGBFormat(const InternalFormat& internalFormat) const
1753 {
1754 return (internalFormat.sizedFormat == GL_SRGB8) || (internalFormat.sizedFormat == GL_SRGB8_ALPHA8);
1755 }
1756
isSNORMFormat(const InternalFormat & internalFormat) const1757 bool RectangleTest::isSNORMFormat(const InternalFormat& internalFormat) const
1758 {
1759 GLenum formats[] = { GL_R8_SNORM, GL_RG8_SNORM, GL_RGB8_SNORM, GL_RGBA8_SNORM,
1760 GL_R16_SNORM, GL_RG16_SNORM, GL_RGB16_SNORM, GL_RGBA16_SNORM };
1761 GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
1762 return (std::find(formats, formatsEnd, internalFormat.sizedFormat) < formatsEnd);
1763 }
1764
isCopyValid(const InternalFormat & copyInternalFormat,const InternalFormat & internalFormat) const1765 bool RectangleTest::isCopyValid(const InternalFormat& copyInternalFormat, const InternalFormat& internalFormat) const
1766 {
1767 // check if copy between two internal formats is allowed
1768
1769 int b1 = getPixelFormat(internalFormat.format).components;
1770 int b2 = getPixelFormat(copyInternalFormat.format).components;
1771
1772 if (b2 > b1)
1773 return false;
1774
1775 //Check that the types can be converted in CopyTexImage.
1776 if (((copyInternalFormat.sampler == SAMPLER_UINT) && (internalFormat.sampler != SAMPLER_UINT)) ||
1777 ((copyInternalFormat.sampler == SAMPLER_INT) && (internalFormat.sampler != SAMPLER_INT)) ||
1778 (((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
1779 (copyInternalFormat.sampler == SAMPLER_NORM)) &&
1780 (!((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
1781 (internalFormat.sampler == SAMPLER_NORM)))))
1782 {
1783 return false;
1784 }
1785
1786 // Core GL is less restricted then ES - check it first
1787 if (!glu::isContextTypeES(m_context.getRenderContext().getType()))
1788 {
1789 if ((copyInternalFormat.format == GL_DEPTH_COMPONENT && internalFormat.format != GL_DEPTH_COMPONENT) ||
1790 (copyInternalFormat.format == GL_DEPTH_STENCIL && internalFormat.format != GL_DEPTH_STENCIL) ||
1791 (copyInternalFormat.format == GL_ALPHA && internalFormat.format != GL_ALPHA) ||
1792 (copyInternalFormat.format == GL_LUMINANCE && internalFormat.format != GL_LUMINANCE) ||
1793 (copyInternalFormat.format == GL_LUMINANCE_ALPHA && internalFormat.format != GL_LUMINANCE_ALPHA))
1794 {
1795 return false;
1796 }
1797
1798 return true;
1799 }
1800
1801 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1802
1803 // GLES30 has more restricted requirement on glCopyTexImage2D
1804 // As stated in Table 3.15 and comment to glCopyTexImage2D
1805 if ((internalFormat.baseFormat == GL_DEPTH_COMPONENT) || (internalFormat.baseFormat == GL_DEPTH_STENCIL) ||
1806 (copyInternalFormat.baseFormat == GL_DEPTH_COMPONENT) || (copyInternalFormat.baseFormat == GL_DEPTH_STENCIL) ||
1807 ((internalFormat.baseFormat != GL_RGBA && internalFormat.baseFormat != GL_ALPHA) &&
1808 ((copyInternalFormat.baseFormat == GL_ALPHA) || (copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA))) ||
1809 ((internalFormat.baseFormat == GL_ALPHA) &&
1810 ((copyInternalFormat.baseFormat != GL_RGBA) && (copyInternalFormat.baseFormat != GL_ALPHA) &&
1811 (copyInternalFormat.baseFormat != GL_LUMINANCE_ALPHA))) ||
1812 (isSRGBFormat(internalFormat) != isSRGBFormat(copyInternalFormat)) ||
1813 // GLES30 does not define ReadPixels types for signed normalized fixed point formats in Table 3.14,
1814 // and conversions to SNORM internalformats are not allowed by Table 3.2
1815 (copyInternalFormat.sampler == SAMPLER_NORM) ||
1816 ((copyInternalFormat.sizedFormat == GL_RGB9_E5) &&
1817 !contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float")))
1818 {
1819 /* Some formats are activated by extensions, check. */
1820 if (((internalFormat.baseFormat == GL_LUMINANCE && copyInternalFormat.baseFormat == GL_LUMINANCE) ||
1821 (internalFormat.baseFormat == GL_ALPHA && copyInternalFormat.baseFormat == GL_ALPHA) ||
1822 (internalFormat.baseFormat == GL_LUMINANCE_ALPHA &&
1823 (copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA || copyInternalFormat.baseFormat == GL_LUMINANCE ||
1824 copyInternalFormat.baseFormat == GL_ALPHA))) &&
1825 contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
1826 {
1827 return true;
1828 }
1829 else if (contextInfo.isExtensionSupported("GL_EXT_render_snorm") && isSNORMFormat(copyInternalFormat) &&
1830 (internalFormat.sampler == copyInternalFormat.sampler) &&
1831 (((copyInternalFormat.baseFormat == GL_RED) &&
1832 (internalFormat.baseFormat == GL_RED || internalFormat.baseFormat == GL_RG ||
1833 internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA ||
1834 copyInternalFormat.baseFormat == GL_LUMINANCE)) ||
1835 ((copyInternalFormat.baseFormat == GL_RG) &&
1836 (internalFormat.baseFormat == GL_RG || internalFormat.baseFormat == GL_RGB ||
1837 internalFormat.baseFormat == GL_RGBA)) ||
1838 ((copyInternalFormat.baseFormat == GL_RGB) &&
1839 (internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA)) ||
1840 ((copyInternalFormat.baseFormat == GL_RGBA) && (internalFormat.baseFormat == GL_RGBA))))
1841 {
1842 return true;
1843 }
1844
1845 return false;
1846 }
1847 else
1848 {
1849 if (internalFormat.sampler != copyInternalFormat.sampler)
1850 {
1851 // You can't convert between different base types, for example NORM<->FLOAT.
1852 return false;
1853 }
1854 if (!isUnsizedFormat(copyInternalFormat.sizedFormat))
1855 {
1856 if ((internalFormat.bits.bits.red && copyInternalFormat.bits.bits.red &&
1857 internalFormat.bits.bits.red != copyInternalFormat.bits.bits.red) ||
1858 (internalFormat.bits.bits.green && copyInternalFormat.bits.bits.green &&
1859 internalFormat.bits.bits.green != copyInternalFormat.bits.bits.green) ||
1860 (internalFormat.bits.bits.blue && copyInternalFormat.bits.bits.blue &&
1861 internalFormat.bits.bits.blue != copyInternalFormat.bits.bits.blue) ||
1862 (internalFormat.bits.bits.alpha && copyInternalFormat.bits.bits.alpha &&
1863 internalFormat.bits.bits.alpha != copyInternalFormat.bits.bits.alpha))
1864 {
1865 // If the destination internalFormat is sized we don't allow component size changes.
1866 return false;
1867 }
1868 }
1869 else
1870 {
1871 if (internalFormat.sizedFormat == GL_RGB10_A2)
1872 {
1873 // Not allowed to convert from a GL_RGB10_A2 surface.
1874 return false;
1875 }
1876 }
1877 }
1878
1879 return true;
1880 }
1881
isFBOImageAttachValid(const InternalFormat & internalformat,GLenum format,GLenum type) const1882 bool RectangleTest::isFBOImageAttachValid(const InternalFormat& internalformat, GLenum format, GLenum type) const
1883 {
1884 const glu::ContextInfo& contextInfo = m_context.getContextInfo();
1885
1886 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
1887 {
1888 const EnumFormats* validFormat = getCanonicalFormat(internalformat, format, type);
1889 if (validFormat != 0)
1890 {
1891 if (!validFormat->bRenderable)
1892 {
1893 /* Some formats are activated by extensions, check. */
1894 if ((GL_RGBA32F == validFormat->internalformat || GL_RGBA16F == validFormat->internalformat ||
1895 GL_RG32F == validFormat->internalformat || GL_RG16F == validFormat->internalformat ||
1896 GL_R32F == validFormat->internalformat || GL_R16F == validFormat->internalformat ||
1897 GL_R11F_G11F_B10F == validFormat->internalformat) &&
1898 contextInfo.isExtensionSupported("GL_EXT_color_buffer_float"))
1899 {
1900 return true;
1901 }
1902
1903 if ((GL_RGBA16F == validFormat->internalformat || GL_RGB16F == validFormat->internalformat ||
1904 GL_RG16F == validFormat->internalformat || GL_R16F == validFormat->internalformat) &&
1905 contextInfo.isExtensionSupported("GL_EXT_color_buffer_half_float"))
1906 {
1907 return true;
1908 }
1909
1910 if ((GL_R11F_G11F_B10F == validFormat->internalformat || GL_RGB9_E5 == validFormat->internalformat) &&
1911 contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float"))
1912 {
1913 return true;
1914 }
1915
1916 if ((GL_LUMINANCE == validFormat->internalformat || GL_ALPHA == validFormat->internalformat ||
1917 GL_LUMINANCE_ALPHA == validFormat->internalformat) &&
1918 contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
1919 {
1920 return true;
1921 }
1922
1923 if ((GL_SRGB8 == validFormat->internalformat) && contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
1924 {
1925 return true;
1926 }
1927
1928 if (((GL_R8_SNORM == validFormat->internalformat) || (GL_RG8_SNORM == validFormat->internalformat) ||
1929 (GL_RGBA8_SNORM == validFormat->internalformat) || (GL_R16_SNORM == validFormat->internalformat) ||
1930 (GL_RG16_SNORM == validFormat->internalformat) ||
1931 (GL_RGBA16_SNORM == validFormat->internalformat)) &&
1932 contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
1933 {
1934 return true;
1935 }
1936 }
1937 return validFormat->bRenderable;
1938 }
1939 else
1940 {
1941 // Check for NV_packed_float
1942 if (GL_RGB == internalformat.sizedFormat && GL_RGB == format && GL_UNSIGNED_INT_10F_11F_11F_REV == type &&
1943 contextInfo.isExtensionSupported("GL_NV_packed_float"))
1944 {
1945 return true;
1946 }
1947 return false;
1948 }
1949 }
1950 else
1951 {
1952 if (format == GL_DEPTH_STENCIL && internalformat.sizedFormat != GL_DEPTH24_STENCIL8 &&
1953 internalformat.sizedFormat != GL_DEPTH32F_STENCIL8)
1954 {
1955 // We can't make a complete DEPTH_STENCIL attachment with a
1956 // texture that does not have both DEPTH and STENCIL components.
1957 return false;
1958 }
1959
1960 GLenum colorRenderableFrmats[] = { GL_RGBA32F, GL_RGBA32I, GL_RGBA32UI, GL_RGBA16,
1961 GL_RGBA16F, GL_RGBA16I, GL_RGBA16UI, GL_RGBA8,
1962 GL_RGBA8I, GL_RGBA8UI, GL_SRGB8_ALPHA8, GL_RGB10_A2,
1963 GL_RGB10_A2UI, GL_RGB5_A1, GL_RGBA4, GL_R11F_G11F_B10F,
1964 GL_RGB565, GL_RG32F, GL_RG32I, GL_RG32UI,
1965 GL_RG16, GL_RG16F, GL_RG16I, GL_RG16UI,
1966 GL_RG8, GL_RG8I, GL_RG8UI, GL_R32F,
1967 GL_R32I, GL_R32UI, GL_R16F, GL_R16I,
1968 GL_R16UI, GL_R16, GL_R8, GL_R8I,
1969 GL_R8UI };
1970 GLenum* formatsEnd = colorRenderableFrmats + DE_LENGTH_OF_ARRAY(colorRenderableFrmats);
1971 if (std::find(colorRenderableFrmats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
1972 return true;
1973
1974 GLenum dsRenderableFormats[] = {
1975 GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT16,
1976 GL_DEPTH32F_STENCIL8, GL_DEPTH24_STENCIL8,
1977 };
1978
1979 formatsEnd = dsRenderableFormats + DE_LENGTH_OF_ARRAY(dsRenderableFormats);
1980 if (std::find(dsRenderableFormats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
1981 return true;
1982
1983 return false;
1984 }
1985 }
1986
doRead(GLuint texture)1987 bool RectangleTest::doRead(GLuint texture)
1988 {
1989 glu::RenderContext& renderContext = m_context.getRenderContext();
1990 const Functions& gl = renderContext.getFunctions();
1991
1992 GLuint fboId;
1993 gl.genFramebuffers(1, &fboId);
1994 gl.bindFramebuffer(GL_FRAMEBUFFER, fboId);
1995 GLU_EXPECT_NO_ERROR(gl.getError(), "glBindFramebuffer");
1996
1997 bool validImageAttach = isFBOImageAttachValid(m_internalFormat, m_inputFormat.format, m_inputType.type);
1998 if (m_textureTarget == GL_TEXTURE_2D)
1999 gl.framebufferTexture2D(GL_FRAMEBUFFER, m_inputFormat.attachment, GL_TEXTURE_2D, texture, 0);
2000 else if (glu::isContextTypeES(renderContext.getType()))
2001 gl.framebufferTextureLayer(GL_FRAMEBUFFER, m_inputFormat.attachment, texture, 0, 0);
2002 else
2003 gl.framebufferTexture3D(GL_FRAMEBUFFER, m_inputFormat.attachment, GL_TEXTURE_3D, texture, 0, 0);
2004 GLenum status = gl.checkFramebufferStatus(GL_FRAMEBUFFER);
2005
2006 bool result = true;
2007 if (status == GL_FRAMEBUFFER_COMPLETE)
2008 {
2009 if (!validImageAttach && glu::isContextTypeES(renderContext.getType()))
2010 {
2011 m_testCtx.getLog() << tcu::TestLog::Message << "FBO is complete but expected incomplete with sizedFormat: "
2012 << getFormatStr(m_internalFormat.sizedFormat) << tcu::TestLog::EndMessage;
2013 result = false;
2014 }
2015 else
2016 {
2017 result &= readPixels(false);
2018 result &= doCopy();
2019 }
2020 }
2021 else if (validImageAttach)
2022 {
2023 m_testCtx.getLog() << tcu::TestLog::Message << "FBO is not complete but expected complete with sizedFormat: "
2024 << getFormatStr(m_internalFormat.sizedFormat) << tcu::TestLog::EndMessage;
2025 result = false;
2026 }
2027
2028 gl.deleteFramebuffers(1, &fboId);
2029
2030 return result;
2031 }
2032
readPixels(bool isCopy)2033 bool RectangleTest::readPixels(bool isCopy)
2034 {
2035 bool result = true;
2036
2037 const PixelType* types;
2038 int typesCount;
2039 const PixelFormat* formats;
2040 int formatsCount;
2041
2042 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
2043 {
2044 types = esTypes;
2045 typesCount = DE_LENGTH_OF_ARRAY(esTypes);
2046 formats = esFormats;
2047 formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
2048 }
2049 else
2050 {
2051 types = coreTypes;
2052 typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
2053 formats = coreFormats;
2054 formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
2055 }
2056
2057 // for each output format
2058 for (int m = 0; m < formatsCount; ++m)
2059 {
2060 const PixelFormat& outputFormat = formats[m];
2061
2062 // for each output type
2063 for (int n = 0; n < typesCount; ++n)
2064 {
2065 const PixelType& outputType = types[n];
2066
2067 if (isCopy)
2068 {
2069 // continue when input format,type != canonical format,type and
2070 // output format,type != canonical format,type
2071 if ((outputFormat.format != m_copyInternalFormat.format ||
2072 outputType.type != m_copyInternalFormat.type))
2073 {
2074 // invalid output format and type - skipping case
2075 continue;
2076 }
2077 }
2078 else if ((m_inputFormat.format != m_internalFormat.format || m_inputType.type != m_internalFormat.type) &&
2079 (outputFormat.format != m_internalFormat.format || outputType.type != m_internalFormat.type))
2080 {
2081 // invalid output format and type - skipping case
2082 continue;
2083 }
2084
2085 result &= readPixelsInner(outputFormat, outputType, isCopy);
2086 }
2087 }
2088
2089 return result;
2090 }
2091
readPixelsInner(const PixelFormat & outputFormat,const PixelType & outputType,bool isCopy)2092 bool RectangleTest::readPixelsInner(const PixelFormat& outputFormat, const PixelType& outputType, bool isCopy)
2093 {
2094 const char* copyStage = "Copy stage: ";
2095
2096 GLenum readerror = readOutputData(outputFormat, outputType, OUTPUT_READPIXELS);
2097 if (m_outputBuffer.empty())
2098 {
2099 m_testCtx.getLog() << tcu::TestLog::Message << "No buffer allocated" << tcu::TestLog::EndMessage;
2100 return false;
2101 }
2102
2103 m_countReadPixels++;
2104
2105 // Check if output format is valid
2106 bool outputFormatValid = isFormatValid(outputFormat, outputType, isCopy ? m_copyInternalFormat : m_internalFormat,
2107 false, true, OUTPUT_READPIXELS);
2108
2109 // Even if this is a valid glReadPixels format, we can't read non-existant components
2110 if (outputFormatValid && outputFormat.format == GL_DEPTH_STENCIL && m_inputFormat.format != GL_DEPTH_STENCIL)
2111 outputFormatValid = false;
2112
2113 if (outputFormatValid)
2114 {
2115 if (readerror != GL_NO_ERROR)
2116 {
2117 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2118 << "Valid format used but glReadPixels failed for input = ["
2119 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2120 << "] output = [" << getFormatStr(outputFormat.format) << ", "
2121 << getTypeStr(outputType.type) << "]" << tcu::TestLog::EndMessage;
2122 return false;
2123 }
2124 else
2125 {
2126 m_countReadPixelsOK++;
2127 m_countCompare++;
2128
2129 // compare output gradient to input gradient
2130 if (!compare(&m_gradient[0], &m_outputBuffer[0], outputFormat, outputType, isCopy))
2131 {
2132 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2133 << "Gradient comparison failed during ReadPixels for input = ["
2134 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2135 << "] output = [" << getFormatStr(outputFormat.format) << ", "
2136 << getTypeStr(outputType.type) << "]" << tcu::TestLog::EndMessage;
2137 return false;
2138 }
2139
2140 m_countCompareOK++;
2141 }
2142 }
2143 else if (readerror == GL_NO_ERROR)
2144 {
2145 m_testCtx.getLog() << tcu::TestLog::Message << (isCopy ? copyStage : "")
2146 << "Invalid format used but glReadPixels succeeded for input = ["
2147 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type)
2148 << "] output = [" << getFormatStr(outputFormat.format) << ", " << getTypeStr(outputType.type)
2149 << "]" << tcu::TestLog::EndMessage;
2150 return false;
2151 }
2152
2153 return true;
2154 }
2155
readOutputData(const PixelFormat & outputFormat,const PixelType & outputType,int operation)2156 GLenum RectangleTest::readOutputData(const PixelFormat& outputFormat, const PixelType& outputType, int operation)
2157 {
2158 // If using PBOs buffer object for GL_PIXEL_PACK_BUFFER must
2159 // be bound and not allocated before calling when using PBOs
2160
2161 glu::RenderContext& renderContext = m_context.getRenderContext();
2162 const Functions& gl = renderContext.getFunctions();
2163
2164 PackedPixelsBufferProperties& props = m_packProperties;
2165 props.elementSize = outputType.size;
2166 props.elementsInGroup = outputType.special ? 1 : outputFormat.components;
2167 props.rowLength = (props.rowLength == 0) ? (GRADIENT_WIDTH + props.skipPixels) : props.rowLength;
2168 props.elementsInRowNoAlign = props.elementsInGroup * props.rowLength;
2169 props.elementsInRow = props.elementsInRowNoAlign;
2170
2171 if (glu::isContextTypeES(renderContext.getType()))
2172 {
2173 props.rowCount = 0;
2174 props.skipImages = 0;
2175 }
2176 else if ((operation == OUTPUT_READPIXELS) || (m_textureTarget == GL_TEXTURE_2D))
2177 props.skipImages = 0;
2178
2179 if (props.rowCount == 0)
2180 props.rowCount = GRADIENT_HEIGHT + props.skipRows;
2181 props.imagesCount = props.skipImages + 1;
2182 if (props.elementSize < props.alignment)
2183 {
2184 props.elementsInRow = (int)(props.alignment * deFloatCeil(props.elementSize * props.elementsInGroup *
2185 props.rowLength / ((float)props.alignment))) /
2186 props.elementSize;
2187 }
2188
2189 int bufferSize =
2190 props.elementSize * props.elementsInRow * props.rowCount * props.imagesCount * (props.skipImages + 1);
2191
2192 // The output buffer allocated should be initialized to a known value. After
2193 // a pack operation, any extra memory allocated for skipping should be
2194 // verified to be the original known value, untouched by the GL.
2195 const GLubyte defaultFillValue = 0xaa;
2196 m_outputBuffer.resize(static_cast<std::size_t>(bufferSize));
2197 std::fill(m_outputBuffer.begin(), m_outputBuffer.end(), defaultFillValue);
2198
2199 GLuint packPBO;
2200 if (m_usePBO)
2201 {
2202 gl.genBuffers(1, &packPBO);
2203 gl.bindBuffer(GL_PIXEL_PACK_BUFFER, packPBO);
2204 gl.bufferData(GL_PIXEL_PACK_BUFFER, bufferSize, &m_outputBuffer[0], GL_STATIC_READ);
2205 }
2206
2207 GLenum readError = GL_NO_ERROR;
2208 switch (operation)
2209 {
2210 case OUTPUT_GETTEXIMAGE:
2211 gl.getTexImage(m_textureTarget, 0, outputFormat.format, outputType.type, m_usePBO ? 0 : &m_outputBuffer[0]);
2212 break;
2213
2214 case OUTPUT_READPIXELS:
2215 if (m_inputFormat.attachment != GL_DEPTH_ATTACHMENT &&
2216 m_inputFormat.attachment != GL_DEPTH_STENCIL_ATTACHMENT &&
2217 m_inputFormat.attachment != GL_STENCIL_ATTACHMENT)
2218 gl.readBuffer(m_inputFormat.attachment);
2219
2220 readError = gl.getError();
2221 if (readError == GL_NO_ERROR)
2222 gl.readPixels(0, 0, GRADIENT_WIDTH, GRADIENT_HEIGHT, outputFormat.format, outputType.type,
2223 m_usePBO ? 0 : &m_outputBuffer[0]);
2224 break;
2225 }
2226
2227 if (readError == GL_NO_ERROR)
2228 readError = gl.getError();
2229
2230 if (m_usePBO)
2231 {
2232 if (readError == GL_NO_ERROR)
2233 {
2234 GLvoid* mappedData = gl.mapBufferRange(GL_PIXEL_PACK_BUFFER, 0, bufferSize, GL_MAP_READ_BIT);
2235 if (!mappedData)
2236 return GL_INVALID_INDEX;
2237
2238 std::memcpy(&m_outputBuffer[0], mappedData, bufferSize);
2239 gl.unmapBuffer(GL_PIXEL_PACK_BUFFER);
2240 }
2241
2242 gl.bindBuffer(GL_PIXEL_PACK_BUFFER, 0);
2243 gl.deleteBuffers(1, &packPBO);
2244 }
2245
2246 if (m_packProperties.swapBytes && (readError == GL_NO_ERROR))
2247 swapBytes(outputType.size, m_outputBuffer);
2248
2249 return readError;
2250 }
2251
doCopy()2252 bool RectangleTest::doCopy()
2253 {
2254 bool result = true;
2255
2256 const InternalFormat* copyInternalFormats;
2257 int internalFormatsCount;
2258 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
2259 {
2260 copyInternalFormats = esInternalformats;
2261 internalFormatsCount = DE_LENGTH_OF_ARRAY(esInternalformats);
2262 }
2263 else
2264 {
2265 copyInternalFormats = coreInternalformats;
2266 internalFormatsCount = DE_LENGTH_OF_ARRAY(coreInternalformats);
2267 }
2268
2269 if ((m_inputFormat.format == m_internalFormat.format) && (m_inputType.type == m_internalFormat.type))
2270 {
2271 for (int i = 0; i < internalFormatsCount; ++i)
2272 {
2273 m_copyInternalFormat = copyInternalFormats[i];
2274 result &= doCopyInner();
2275 }
2276 }
2277
2278 return result;
2279 }
2280
doCopyInner()2281 bool RectangleTest::doCopyInner()
2282 {
2283 glu::RenderContext& renderContext = m_context.getRenderContext();
2284 const Functions& gl = renderContext.getFunctions();
2285 bool result = true;
2286
2287 const EnumFormats* copyFormatEnum =
2288 getCanonicalFormat(m_copyInternalFormat, m_copyInternalFormat.format, m_copyInternalFormat.type);
2289
2290 if (copyFormatEnum != 0)
2291 {
2292 GLuint texture2;
2293 GLenum status;
2294
2295 bool validcopy = isCopyValid(m_copyInternalFormat, m_internalFormat);
2296
2297 gl.genTextures(1, &texture2);
2298 // Target is always GL_TEXTURE_2D
2299 gl.bindTexture(GL_TEXTURE_2D, texture2);
2300 GLenum error = gl.getError();
2301
2302 // CopyTexImage to copy_internalformat (GL converts, but PixelStore is ignored)
2303 // Target is always GL_TEXTURE_2D
2304 gl.copyTexImage2D(GL_TEXTURE_2D, 0, m_copyInternalFormat.sizedFormat, 0, 0, GRADIENT_WIDTH, GRADIENT_HEIGHT, 0);
2305 error = gl.getError();
2306
2307 // if this combination of copy_internalformat,internalformat is invalid
2308 if (validcopy == false)
2309 {
2310 // expect error and continue
2311 if (error != GL_NO_ERROR)
2312 {
2313 // Invalid format used and glCopyTexImage2D failed
2314 result = true;
2315 }
2316 else
2317 {
2318 m_testCtx.getLog() << tcu::TestLog::Message << "Invalid format used but glCopyTexImage2D succeeded"
2319 << tcu::TestLog::EndMessage;
2320 result = false;
2321 }
2322 }
2323 else // validcopy == true
2324 {
2325 // expect no error and continue
2326 if (error != GL_NO_ERROR)
2327 {
2328 m_testCtx.getLog() << tcu::TestLog::Message << "Valid format used but glCopyTexImage2D failed"
2329 << tcu::TestLog::EndMessage;
2330 result = false;
2331 }
2332 else
2333 {
2334 if (!glu::isContextTypeES(renderContext.getType()))
2335 {
2336 // if GetTexImage is supported we call the
2337 // inner function only as no loop needed
2338 const PixelFormat& outputFormat = getPixelFormat(copyFormatEnum->format);
2339 const PixelType& outputType = getPixelType(copyFormatEnum->type);
2340 result &= getTexImageInner(outputFormat, outputType);
2341 }
2342
2343 GLint orginalFboId;
2344 gl.getIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &orginalFboId);
2345 GLU_EXPECT_NO_ERROR(gl.getError(), "getIntegerv");
2346
2347 GLuint fboId;
2348 gl.genFramebuffers(1, &fboId);
2349 gl.bindFramebuffer(GL_FRAMEBUFFER, fboId);
2350
2351 bool validImageAttach =
2352 isFBOImageAttachValid(m_copyInternalFormat, copyFormatEnum->format, copyFormatEnum->type);
2353
2354 // attach copy_internalformat texture to FBO
2355 // Target is always GL_TEXTURE_2D
2356 const PixelFormat& copyFormat = getPixelFormat(copyFormatEnum->format);
2357 gl.framebufferTexture2D(GL_FRAMEBUFFER, copyFormat.attachment, GL_TEXTURE_2D, texture2, 0);
2358 GLU_EXPECT_NO_ERROR(gl.getError(), "glFramebufferTexture2D");
2359
2360 status = gl.checkFramebufferStatus(GL_FRAMEBUFFER);
2361 GLU_EXPECT_NO_ERROR(gl.getError(), "glCheckFramebufferStatus");
2362
2363 // if an unsized sizedFormat was given, then implementation chosen copy format
2364 // destination might be different than what's expected;
2365 // we cannot continue checking since ReadPixels might not choose a compatible
2366 // format, also the format may not be renderable as expected
2367 if (isUnsizedFormat(m_copyInternalFormat.sizedFormat))
2368 {
2369 result &= true;
2370 }
2371 else if (status == GL_FRAMEBUFFER_COMPLETE)
2372 {
2373 if (validImageAttach)
2374 result &= readPixels(true);
2375 else
2376 {
2377 m_testCtx.getLog()
2378 << tcu::TestLog::Message << "Copy FBO is complete but expected incomplete with sizedFormat "
2379 << getFormatStr(m_copyInternalFormat.sizedFormat) << ", attachement "
2380 << copyFormat.attachment << tcu::TestLog::EndMessage;
2381 result = false;
2382 }
2383 }
2384 else if (validImageAttach)
2385 {
2386 m_testCtx.getLog() << tcu::TestLog::Message
2387 << "Copy FBO is not complete but expected complete with sizedFormat "
2388 << getFormatStr(m_copyInternalFormat.sizedFormat) << ", attachement "
2389 << copyFormat.attachment << tcu::TestLog::EndMessage;
2390 result = false;
2391 }
2392
2393 // bind original FBO
2394 gl.bindFramebuffer(GL_FRAMEBUFFER, orginalFboId);
2395 gl.deleteFramebuffers(1, &fboId);
2396 }
2397 }
2398
2399 gl.deleteTextures(1, &texture2);
2400 }
2401
2402 return result;
2403 }
2404
compare(GLvoid * gradient,GLvoid * data,const PixelFormat & outputFormat,const PixelType & outputType,bool isCopy) const2405 bool RectangleTest::compare(GLvoid* gradient, GLvoid* data, const PixelFormat& outputFormat,
2406 const PixelType& outputType, bool isCopy) const
2407 {
2408 // Compares the reference gradient data to the output data
2409
2410 int iformatSampler = m_internalFormat.sampler;
2411 int outputSampler = getSampler(outputType, outputFormat);
2412 int inputSampler = getSampler(m_inputType, m_inputFormat);
2413
2414 if (isCopy)
2415 iformatSampler = m_copyInternalFormat.sampler;
2416
2417 int samplerIsIntUintFloat = 3; // 1: INT | 2: UINT | 3: FLOAT/UNORM/NORM
2418 if (m_internalFormat.sampler == SAMPLER_INT)
2419 samplerIsIntUintFloat = 1;
2420 else if (m_internalFormat.sampler == SAMPLER_UINT)
2421 samplerIsIntUintFloat = 2;
2422
2423 std::vector<GLubyte> gradientStrip;
2424 if (!stripBuffer(m_unpackProperties, static_cast<const GLubyte*>(gradient), gradientStrip, false))
2425 return false;
2426 std::vector<GLubyte> dataStrip;
2427 if (!stripBuffer(m_packProperties, static_cast<const GLubyte*>(data), dataStrip, true))
2428 return false;
2429
2430 if (gradientStrip.empty() || dataStrip.empty())
2431 return false;
2432
2433 std::vector<FloatPixel> inputBuffer;
2434 getFloatBuffer(&gradientStrip[0], samplerIsIntUintFloat, m_inputFormat, m_inputType,
2435 GRADIENT_WIDTH * GRADIENT_HEIGHT, inputBuffer);
2436
2437 std::vector<FloatPixel> outputBuffer;
2438 getFloatBuffer(&dataStrip[0], samplerIsIntUintFloat, outputFormat, outputType, GRADIENT_WIDTH * GRADIENT_HEIGHT,
2439 outputBuffer);
2440
2441 std::vector<int> inputBitTable;
2442 getBits(m_inputType, m_inputFormat, inputBitTable);
2443 std::vector<int> outputBitTable;
2444 getBits(outputType, outputFormat, outputBitTable);
2445 const int* internalformatBitTable = reinterpret_cast<const int*>(&m_internalFormat.bits);
2446 const int* copyFormatBitTable = m_copyInternalFormat.bits.array;
2447
2448 // make struct field iterable
2449 float* inputBufferFloat = reinterpret_cast<float*>(&inputBuffer[0]);
2450 float* outputBufferFloat = reinterpret_cast<float*>(&outputBuffer[0]);
2451
2452 int* inputBufferInt = reinterpret_cast<int*>(&inputBuffer[0]);
2453 int* outputBufferInt = reinterpret_cast<int*>(&outputBuffer[0]);
2454
2455 unsigned int* inputBufferUint = reinterpret_cast<unsigned int*>(&inputBuffer[0]);
2456 unsigned int* outputBufferUint = reinterpret_cast<unsigned int*>(&outputBuffer[0]);
2457
2458 for (int i = 0; i < GRADIENT_WIDTH * GRADIENT_HEIGHT; ++i)
2459 {
2460 for (int j = 0; j < NUM_FLOAT_PIXEL_COUNT / 3; ++j)
2461 {
2462 int bit1 = getRealBitPrecision(inputBitTable[j], inputSampler == SAMPLER_FLOAT);
2463 int bit2 = getRealBitPrecision(outputBitTable[j], outputSampler == SAMPLER_FLOAT);
2464 int bit3 = getRealBitPrecision(internalformatBitTable[j], iformatSampler == SAMPLER_FLOAT);
2465 int bitdiff;
2466
2467 if (bit1 >= bit3)
2468 {
2469 if ((inputSampler == SAMPLER_UNORM && m_internalFormat.sampler == SAMPLER_NORM))
2470 bit3 -= 1;
2471 }
2472
2473 if (bit2 <= bit3)
2474 {
2475 if (outputSampler == SAMPLER_NORM && m_internalFormat.sampler == SAMPLER_UNORM)
2476 bit2 -= 1;
2477 }
2478
2479 if (!(m_internalFormat.flags & FLAG_REQ_RBO) && bit3 > 8 && m_internalFormat.sampler != SAMPLER_UINT &&
2480 m_internalFormat.sampler != SAMPLER_INT)
2481 {
2482 // If this internalFormat is not a required format there is no requirement
2483 // that the implementation uses exactly the bit width requested. For example,
2484 // it may substitute RGB10 for RGB12. The implementation can't make subtitutions
2485 // for integer formats.
2486 bit3 = 8;
2487 }
2488
2489 bitdiff = std::min(std::min(bit1, bit2), bit3);
2490 if (isCopy)
2491 {
2492 bitdiff = std::min(bitdiff, copyFormatBitTable[j]);
2493 }
2494
2495 if (bitdiff > 0)
2496 {
2497 if (samplerIsIntUintFloat == 1) // 1: INT
2498 {
2499 int inputValue = inputBufferInt[NUM_FLOAT_PIXEL_COUNT * i + j];
2500 int outputValue = outputBufferInt[NUM_FLOAT_PIXEL_COUNT * i + j];
2501
2502 if (inputSampler == SAMPLER_UINT)
2503 // If input data was unsigned, it should be clamped to fit into
2504 // internal format positive range (otherwise it may wrap and
2505 // yield negative internalformat values)
2506 inputValue = clampUnsignedValue(bit3 - 1, inputValue);
2507 ;
2508
2509 inputValue = clampSignedValue(bit3, inputValue);
2510 if (isCopy)
2511 {
2512 inputValue = clampSignedValue(copyFormatBitTable[j], inputValue);
2513 }
2514 if (outputSampler == SAMPLER_UINT)
2515 inputValue = clampUnsignedValue(bit2, inputValue);
2516 else
2517 inputValue = clampSignedValue(bit2, inputValue);
2518
2519 if (inputValue != outputValue)
2520 {
2521 m_testCtx.getLog() << tcu::TestLog::Message << "Integer comparison: " << i << ", " << j << ", "
2522 << NUM_FLOAT_PIXEL_COUNT * i + j << ": " << inputValue
2523 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2524 return false;
2525 }
2526 }
2527 else if (samplerIsIntUintFloat == 2) // 2: UINT
2528 {
2529 unsigned int inputValue = inputBufferUint[NUM_FLOAT_PIXEL_COUNT * i + j + 6];
2530 unsigned int outputValue = outputBufferUint[NUM_FLOAT_PIXEL_COUNT * i + j + 6];
2531
2532 inputValue = clampUnsignedValue(bit3, inputValue);
2533 if (isCopy)
2534 inputValue = clampUnsignedValue(copyFormatBitTable[j], inputValue);
2535
2536 if (outputSampler == SAMPLER_UINT)
2537 inputValue = clampUnsignedValue(bit2, inputValue);
2538 else if (outputSampler == SAMPLER_INT)
2539 inputValue = clampUnsignedValue(bit2 - 1, inputValue);
2540 if (inputValue != outputValue)
2541 {
2542 m_testCtx.getLog() << tcu::TestLog::Message << "Integer comparison: " << i << ", " << j << ", "
2543 << NUM_FLOAT_PIXEL_COUNT * i + j << ": " << inputValue
2544 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2545 return false;
2546 }
2547 }
2548 else if (samplerIsIntUintFloat == 3) // 3: FLOAT / UNORM / NORM
2549 {
2550 float inputValue = inputBufferFloat[NUM_FLOAT_PIXEL_COUNT * i + j + 12];
2551 float outputValue = outputBufferFloat[NUM_FLOAT_PIXEL_COUNT * i + j + 12];
2552 float epsilon;
2553
2554 if ((outputSampler == SAMPLER_UNORM) || (outputSampler == SAMPLER_NORM))
2555 {
2556 // Check if format is UNORM/NORM which needs different
2557 // precision since it implies a int->float conversion.
2558 epsilon = 1.0f / ((float)((1 << (bitdiff - 1))) - 1);
2559 }
2560 else if ((inputSampler == SAMPLER_FLOAT) != (outputSampler == SAMPLER_FLOAT))
2561 {
2562 // Allow for rounding in either direction for float->int conversions.
2563 epsilon = 1.0f / ((float)((1 << (bitdiff - 1))) - 1);
2564 }
2565 else
2566 epsilon = 1.0f / ((float)((1 << bitdiff) - 1));
2567
2568 if (inputSampler == SAMPLER_FLOAT || outputSampler == SAMPLER_FLOAT)
2569 {
2570 // According to GL spec the precision requirement
2571 // of floating-point values is 1 part in 10^5.
2572 epsilon = deFloatMax(epsilon, 0.00001f);
2573 }
2574
2575 if (m_internalFormat.flags & FLAG_COMPRESSED)
2576 epsilon = deFloatMax(epsilon, 0.1f);
2577
2578 // Clamp input value to range of output
2579 if (iformatSampler == SAMPLER_UNORM || outputSampler == SAMPLER_UNORM)
2580 inputValue = deFloatMax(deFloatMin(inputValue, 1.0f), 0.0f);
2581 else if (iformatSampler == SAMPLER_NORM || outputSampler == SAMPLER_NORM)
2582 inputValue = deFloatMax(deFloatMin(inputValue, 1.0f), -1.0f);
2583
2584 // Compare the input and output
2585 if (deFloatAbs(inputValue - outputValue) > epsilon)
2586 {
2587 m_testCtx.getLog()
2588 << tcu::TestLog::Message << "Non-integer comparison: " << i << ", " << j << ", "
2589 << NUM_FLOAT_PIXEL_COUNT * i + j << ", " << epsilon << ": " << inputValue
2590 << " == " << outputValue << ": not equal." << tcu::TestLog::EndMessage;
2591 return false;
2592 }
2593 }
2594 else
2595 {
2596 m_testCtx.getLog() << tcu::TestLog::Message << "Sampler type cannot be recognised, so no comparison"
2597 << tcu::TestLog::EndMessage;
2598 return false;
2599 }
2600 }
2601 }
2602 }
2603
2604 return true;
2605 }
2606
getFloatBuffer(GLvoid * gradient,int samplerIsIntUintFloat,const PixelFormat & format,const PixelType & type,int elementCount,std::vector<FloatPixel> & result) const2607 void RectangleTest::getFloatBuffer(GLvoid* gradient, int samplerIsIntUintFloat, const PixelFormat& format,
2608 const PixelType& type, int elementCount, std::vector<FloatPixel>& result) const
2609 {
2610 int componentCount = format.components;
2611 switch (type.type)
2612 {
2613 case GL_UNSIGNED_BYTE:
2614 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_BYTE, result);
2615 break;
2616 case GL_BYTE:
2617 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_BYTE, result);
2618 break;
2619 case GL_UNSIGNED_SHORT:
2620 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_SHORT, result);
2621 break;
2622 case GL_SHORT:
2623 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_SHORT, result);
2624 break;
2625 case GL_UNSIGNED_INT:
2626 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_UNSIGNED_INT, result);
2627 break;
2628 case GL_INT:
2629 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_INT, result);
2630 break;
2631 case GL_HALF_FLOAT:
2632 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_HALF_FLOAT, result);
2633 break;
2634 case GL_FLOAT:
2635 makeBuffer(gradient, format, samplerIsIntUintFloat, elementCount, componentCount, pack_FLOAT, result);
2636 break;
2637 case GL_UNSIGNED_SHORT_5_6_5:
2638 if (samplerIsIntUintFloat == 1)
2639 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_INT, result);
2640 else if (samplerIsIntUintFloat == 2)
2641 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_UINT, result);
2642 else if (samplerIsIntUintFloat == 3)
2643 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5, result);
2644 break;
2645 case GL_UNSIGNED_SHORT_4_4_4_4:
2646 if (samplerIsIntUintFloat == 1)
2647 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_INT, result);
2648 else if (samplerIsIntUintFloat == 2)
2649 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_UINT, result);
2650 else if (samplerIsIntUintFloat == 3)
2651 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4, result);
2652 break;
2653 case GL_UNSIGNED_SHORT_5_5_5_1:
2654 if (samplerIsIntUintFloat == 1)
2655 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1_INT, result);
2656 else if (samplerIsIntUintFloat == 2)
2657 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1_UINT, result);
2658 else if (samplerIsIntUintFloat == 3)
2659 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_5_5_1, result);
2660 break;
2661 case GL_UNSIGNED_INT_2_10_10_10_REV:
2662 if (samplerIsIntUintFloat == 1)
2663 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV_INT, result);
2664 else if (samplerIsIntUintFloat == 2)
2665 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV_UINT, result);
2666 else if (samplerIsIntUintFloat == 3)
2667 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_2_10_10_10_REV, result);
2668 break;
2669 case GL_UNSIGNED_INT_24_8:
2670 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_24_8, result);
2671 break;
2672 case GL_UNSIGNED_INT_10F_11F_11F_REV:
2673 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_10F_11F_11F_REV, result);
2674 break;
2675 case GL_UNSIGNED_INT_5_9_9_9_REV:
2676 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_5_9_9_9_REV, result);
2677 break;
2678 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
2679 makeBufferPackedFloat(gradient, format, elementCount, pack_FLOAT_32_UNSIGNED_INT_24_8_REV, result);
2680 break;
2681 case GL_UNSIGNED_BYTE_3_3_2:
2682 if (samplerIsIntUintFloat == 1)
2683 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2_INT, result);
2684 else if (samplerIsIntUintFloat == 2)
2685 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2_UINT, result);
2686 else if (samplerIsIntUintFloat == 3)
2687 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_BYTE_3_3_2, result);
2688 break;
2689 case GL_UNSIGNED_BYTE_2_3_3_REV:
2690 if (samplerIsIntUintFloat == 1)
2691 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV_INT, result);
2692 else if (samplerIsIntUintFloat == 2)
2693 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV_UINT, result);
2694 else if (samplerIsIntUintFloat == 3)
2695 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_BYTE_2_3_3_REV, result);
2696 break;
2697 case GL_UNSIGNED_SHORT_5_6_5_REV:
2698 if (samplerIsIntUintFloat == 1)
2699 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV_INT, result);
2700 else if (samplerIsIntUintFloat == 2)
2701 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV_UINT, result);
2702 else if (samplerIsIntUintFloat == 3)
2703 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_5_6_5_REV, result);
2704 break;
2705 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
2706 if (samplerIsIntUintFloat == 1)
2707 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV_INT, result);
2708 else if (samplerIsIntUintFloat == 2)
2709 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT, result);
2710 else if (samplerIsIntUintFloat == 3)
2711 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_4_4_4_4_REV, result);
2712 break;
2713 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
2714 if (samplerIsIntUintFloat == 1)
2715 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV_INT, result);
2716 else if (samplerIsIntUintFloat == 2)
2717 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT, result);
2718 else if (samplerIsIntUintFloat == 3)
2719 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_SHORT_1_5_5_5_REV, result);
2720 break;
2721 case GL_UNSIGNED_INT_8_8_8_8:
2722 if (samplerIsIntUintFloat == 1)
2723 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_INT, result);
2724 else if (samplerIsIntUintFloat == 2)
2725 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_UINT, result);
2726 else if (samplerIsIntUintFloat == 3)
2727 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8, result);
2728 break;
2729 case GL_UNSIGNED_INT_8_8_8_8_REV:
2730 if (samplerIsIntUintFloat == 1)
2731 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV_INT, result);
2732 else if (samplerIsIntUintFloat == 2)
2733 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV_UINT, result);
2734 else if (samplerIsIntUintFloat == 3)
2735 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_8_8_8_8_REV, result);
2736 break;
2737 case GL_UNSIGNED_INT_10_10_10_2:
2738 if (samplerIsIntUintFloat == 1)
2739 makeBufferPackedInt(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2_INT, result);
2740 else if (samplerIsIntUintFloat == 2)
2741 makeBufferPackedUint(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2_UINT, result);
2742 else if (samplerIsIntUintFloat == 3)
2743 makeBufferPackedFloat(gradient, format, elementCount, pack_UNSIGNED_INT_10_10_10_2, result);
2744 break;
2745 default:
2746 TCU_FAIL("Unsuported type");
2747 }
2748 }
2749
2750 template <typename Type>
makeBuffer(const GLvoid * gradient,const PixelFormat & format,int samplerIsIntUintFloat,int elementCount,int componentCount,float (* pack)(Type),std::vector<FloatPixel> & result) const2751 void RectangleTest::makeBuffer(const GLvoid* gradient, const PixelFormat& format, int samplerIsIntUintFloat,
2752 int elementCount, int componentCount, float (*pack)(Type),
2753 std::vector<FloatPixel>& result) const
2754 {
2755 const Type* sourceData = static_cast<const Type*>(gradient);
2756 result.resize(sizeof(FloatPixel) * elementCount);
2757 for (int i = 0; i < elementCount; ++i)
2758 {
2759 rawFloatPixel values;
2760 rawIntPixel valuesInt;
2761 rawUintPixel valuesUint;
2762 for (int j = 0; j < componentCount; j++)
2763 {
2764 if (samplerIsIntUintFloat == 1)
2765 valuesInt[j] = (int)static_cast<Type>(sourceData[componentCount * i + j]);
2766 else if (samplerIsIntUintFloat == 2)
2767 valuesUint[j] = (unsigned int)static_cast<Type>(sourceData[componentCount * i + j]);
2768 else if (samplerIsIntUintFloat == 3)
2769 values[j] = pack(sourceData[componentCount * i + j]);
2770 }
2771 if (samplerIsIntUintFloat == 1)
2772 result[i] = orderComponentsInt(valuesInt, format);
2773 else if (samplerIsIntUintFloat == 2)
2774 result[i] = orderComponentsUint(valuesUint, format);
2775 else if (samplerIsIntUintFloat == 3)
2776 result[i] = orderComponentsFloat(values, format);
2777 }
2778 }
2779
getBits(const PixelType & type,const PixelFormat & format,std::vector<int> & resultTable) const2780 void RectangleTest::getBits(const PixelType& type, const PixelFormat& format, std::vector<int>& resultTable) const
2781 {
2782 // return bit depth table based on type and format pair;
2783 // table is always NUM_FLOAT_PIXEL_COUNT digit long
2784
2785 resultTable.resize(NUM_FLOAT_PIXEL_COUNT);
2786 std::fill(resultTable.begin(), resultTable.end(), 0);
2787
2788 if (type.special == true)
2789 {
2790 std::memcpy(&resultTable[0], &type.bits, sizeof(int) * NUM_FLOAT_PIXEL_COUNT);
2791 if (type.type == GL_UNSIGNED_INT_5_9_9_9_REV)
2792 {
2793 //this type is another special case: it is always converted to 3-channel color (no A).
2794 //as results of this function are used for comparison of converted values we set A bits to 0.
2795 resultTable[3] = 0;
2796 }
2797 }
2798 else
2799 {
2800 int bits;
2801
2802 if (type.type == GL_FLOAT)
2803 bits = 32;
2804 else if (type.type == GL_HALF_FLOAT)
2805 bits = 16;
2806 else
2807 bits = type.size << 3;
2808
2809 if (format.format == GL_DEPTH_STENCIL || format.format == GL_DEPTH_COMPONENT)
2810 resultTable[4] = bits;
2811
2812 if (format.format == GL_DEPTH_STENCIL || format.format == GL_STENCIL_INDEX ||
2813 format.format == GL_STENCIL_INDEX8)
2814 {
2815 resultTable[5] = bits;
2816 }
2817
2818 if (format.format == GL_RED || format.format == GL_RG || format.format == GL_RGB || format.format == GL_RGBA ||
2819 format.format == GL_BGR || format.format == GL_BGRA || format.format == GL_RED_INTEGER ||
2820 format.format == GL_RG_INTEGER || format.format == GL_RGB_INTEGER || format.format == GL_RGBA_INTEGER ||
2821 format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2822 {
2823 resultTable[0] = bits;
2824 }
2825
2826 if (format.format == GL_RG || format.format == GL_RGB || format.format == GL_RGBA || format.format == GL_BGR ||
2827 format.format == GL_BGRA || format.format == GL_RG_INTEGER || format.format == GL_RGB_INTEGER ||
2828 format.format == GL_RGBA_INTEGER || format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2829 {
2830 resultTable[1] = bits;
2831 }
2832
2833 if (format.format == GL_RGB || format.format == GL_RGBA || format.format == GL_BGR ||
2834 format.format == GL_BGRA || format.format == GL_RGB_INTEGER || format.format == GL_RGBA_INTEGER ||
2835 format.format == GL_BGR_INTEGER || format.format == GL_BGRA_INTEGER)
2836 {
2837 resultTable[2] = bits;
2838 }
2839
2840 if (format.format == GL_RGBA || format.format == GL_BGRA || format.format == GL_RGBA_INTEGER ||
2841 format.format == GL_BGRA_INTEGER)
2842 {
2843 resultTable[3] = bits;
2844 }
2845 }
2846 }
2847
2848 template <typename Type>
makeBufferPackedInt(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawIntPixel *,Type),std::vector<FloatPixel> & result) const2849 void RectangleTest::makeBufferPackedInt(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2850 void (*pack)(rawIntPixel*, Type), std::vector<FloatPixel>& result) const
2851 {
2852 const Type* sourceData = static_cast<const Type*>(gradient);
2853 result.resize(sizeof(FloatPixel) * elementCount);
2854 for (int i = 0; i < elementCount; ++i)
2855 {
2856 rawIntPixel values;
2857 pack(&values, sourceData[i]);
2858 result[i] = orderComponentsInt(values, format);
2859 }
2860 }
2861
2862 template <typename Type>
makeBufferPackedUint(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawUintPixel *,Type),std::vector<FloatPixel> & result) const2863 void RectangleTest::makeBufferPackedUint(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2864 void (*pack)(rawUintPixel*, Type), std::vector<FloatPixel>& result) const
2865 {
2866 const Type* sourceData = static_cast<const Type*>(gradient);
2867 result.resize(sizeof(FloatPixel) * elementCount);
2868 for (int i = 0; i < elementCount; ++i)
2869 {
2870 rawUintPixel values;
2871 pack(&values, sourceData[i]);
2872 result[i] = orderComponentsUint(values, format);
2873 }
2874 }
2875
2876 template <typename Type>
makeBufferPackedFloat(const GLvoid * gradient,const PixelFormat & format,int elementCount,void (* pack)(rawFloatPixel *,Type),std::vector<FloatPixel> & result) const2877 void RectangleTest::makeBufferPackedFloat(const GLvoid* gradient, const PixelFormat& format, int elementCount,
2878 void (*pack)(rawFloatPixel*, Type), std::vector<FloatPixel>& result) const
2879 {
2880 const Type* sourceData = static_cast<const Type*>(gradient);
2881 result.resize(sizeof(FloatPixel) * elementCount);
2882 for (int i = 0; i < elementCount; ++i)
2883 {
2884 rawFloatPixel values;
2885 pack(&values, sourceData[i]);
2886 result[i] = orderComponentsFloat(values, format);
2887 }
2888 }
2889
orderComponentsInt(rawIntPixel values,const PixelFormat & format) const2890 FloatPixel RectangleTest::orderComponentsInt(rawIntPixel values, const PixelFormat& format) const
2891 {
2892 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2893 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2894 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2895
2896 if (format.componentOrder.bits.red >= 0)
2897 fp.i_r = values[format.componentOrder.bits.red];
2898 if (format.componentOrder.bits.green >= 0)
2899 fp.i_g = values[format.componentOrder.bits.green];
2900 if (format.componentOrder.bits.blue >= 0)
2901 fp.i_b = values[format.componentOrder.bits.blue];
2902 if (format.componentOrder.bits.alpha >= 0)
2903 fp.i_a = values[format.componentOrder.bits.alpha];
2904 if (format.componentOrder.bits.depth >= 0)
2905 fp.i_d = values[format.componentOrder.bits.depth];
2906 if (format.componentOrder.bits.stencil >= 0)
2907 fp.i_s = values[format.componentOrder.bits.stencil];
2908
2909 return fp;
2910 }
2911
orderComponentsUint(rawUintPixel values,const PixelFormat & format) const2912 FloatPixel RectangleTest::orderComponentsUint(rawUintPixel values, const PixelFormat& format) const
2913 {
2914 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2915 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2916 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2917
2918 if (format.componentOrder.bits.red >= 0)
2919 fp.ui_r = values[format.componentOrder.bits.red];
2920 if (format.componentOrder.bits.green >= 0)
2921 fp.ui_g = values[format.componentOrder.bits.green];
2922 if (format.componentOrder.bits.blue >= 0)
2923 fp.ui_b = values[format.componentOrder.bits.blue];
2924 if (format.componentOrder.bits.alpha >= 0)
2925 fp.ui_a = values[format.componentOrder.bits.alpha];
2926 if (format.componentOrder.bits.depth >= 0)
2927 fp.ui_d = values[format.componentOrder.bits.depth];
2928 if (format.componentOrder.bits.stencil >= 0)
2929 fp.ui_s = values[format.componentOrder.bits.stencil];
2930
2931 return fp;
2932 }
2933
orderComponentsFloat(rawFloatPixel values,const PixelFormat & format) const2934 FloatPixel RectangleTest::orderComponentsFloat(rawFloatPixel values, const PixelFormat& format) const
2935 {
2936 FloatPixel fp = { PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI, PACK_DEFAULTI,
2937 PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI, PACK_DEFAULTUI,
2938 PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF, PACK_DEFAULTF };
2939
2940 if (format.componentOrder.bits.red >= 0)
2941 fp.r = values[format.componentOrder.bits.red];
2942 if (format.componentOrder.bits.green >= 0)
2943 fp.g = values[format.componentOrder.bits.green];
2944 if (format.componentOrder.bits.blue >= 0)
2945 fp.b = values[format.componentOrder.bits.blue];
2946 if (format.componentOrder.bits.alpha >= 0)
2947 fp.a = values[format.componentOrder.bits.alpha];
2948 if (format.componentOrder.bits.depth >= 0)
2949 fp.d = values[format.componentOrder.bits.depth];
2950 if (format.componentOrder.bits.stencil >= 0)
2951 fp.s = values[format.componentOrder.bits.stencil];
2952
2953 return fp;
2954 }
2955
getRealBitPrecision(int bits,bool isFloat) const2956 unsigned int RectangleTest::getRealBitPrecision(int bits, bool isFloat) const
2957 {
2958 if (!isFloat)
2959 return bits;
2960 switch (bits)
2961 {
2962 case 32:
2963 return 23;
2964 case 16:
2965 return 10;
2966 case 11:
2967 return 6;
2968 case 10:
2969 return 5;
2970 }
2971 return bits;
2972 }
2973
stripBuffer(const PackedPixelsBufferProperties & props,const GLubyte * orginalBuffer,std::vector<GLubyte> & newBuffer,bool validate) const2974 bool RectangleTest::stripBuffer(const PackedPixelsBufferProperties& props, const GLubyte* orginalBuffer,
2975 std::vector<GLubyte>& newBuffer, bool validate) const
2976 {
2977 // Extracts pixel data from a buffer with specific
2978 // pixel store configuration into a flat buffer
2979
2980 int newBufferSize = props.elementSize * props.elementsInRowNoAlign * GRADIENT_HEIGHT;
2981 if (!newBufferSize)
2982 return false;
2983 newBuffer.resize(newBufferSize);
2984
2985 int skipBottom = ((props.skipImages * props.rowCount + props.skipRows) * props.elementsInRow) * props.elementSize;
2986 int skipTop = (props.rowCount - GRADIENT_HEIGHT - props.skipRows) * props.elementsInRow * props.elementSize;
2987 int skipLeft = props.skipPixels * props.elementsInGroup * props.elementSize;
2988 int skipRight = (props.elementsInRow - GRADIENT_WIDTH * props.elementsInGroup) * props.elementSize - skipLeft;
2989 int copy = GRADIENT_WIDTH * props.elementsInGroup * props.elementSize;
2990 int skipAlign = (props.elementsInRow - props.elementsInRowNoAlign) * props.elementSize;
2991
2992 if (validate)
2993 {
2994 for (int i = 0; i < skipBottom; i++)
2995 {
2996 if (orginalBuffer[i] != m_defaultFillValue)
2997 return false;
2998 }
2999 }
3000
3001 int index_src = skipBottom;
3002 int index_dst = 0;
3003
3004 for (int j = 0; j < GRADIENT_HEIGHT; j++)
3005 {
3006 if (validate)
3007 {
3008 for (int i = 0; i < skipLeft; i++)
3009 {
3010 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3011 return false;
3012 }
3013 }
3014 index_src += skipLeft;
3015
3016 std::memcpy(&newBuffer[0] + index_dst, &orginalBuffer[0] + index_src, copy);
3017 index_src += copy;
3018 index_dst += copy;
3019
3020 if (validate)
3021 {
3022 for (int i = skipAlign; i < skipRight; i++)
3023 {
3024 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3025 return false;
3026 }
3027 }
3028 index_src += skipRight;
3029 }
3030
3031 if (validate)
3032 {
3033 for (int i = 0; i < skipTop; i++)
3034 {
3035 if (orginalBuffer[index_src + i] != m_defaultFillValue)
3036 return false;
3037 }
3038 }
3039 index_src += skipTop;
3040
3041 return true;
3042 }
3043
clampSignedValue(int bits,int value) const3044 int RectangleTest::clampSignedValue(int bits, int value) const
3045 {
3046 int max = 2147483647;
3047 int min = 0x80000000;
3048
3049 if (bits < 32)
3050 {
3051 max = (1 << (bits - 1)) - 1;
3052 min = (1 << (bits - 1)) - (1 << bits);
3053 }
3054
3055 if (value >= max)
3056 return max;
3057 else if (value <= min)
3058 return min;
3059
3060 return value;
3061 }
3062
clampUnsignedValue(int bits,unsigned int value) const3063 unsigned int RectangleTest::clampUnsignedValue(int bits, unsigned int value) const
3064 {
3065 unsigned int max = 4294967295u;
3066 unsigned int min = 0;
3067
3068 if (bits < 32)
3069 {
3070 max = (1 << bits) - 1;
3071 }
3072
3073 if (value >= max)
3074 return max;
3075 else if (value <= min)
3076 return min;
3077
3078 return value;
3079 }
3080
pack_UNSIGNED_BYTE(GLubyte value)3081 float RectangleTest::pack_UNSIGNED_BYTE(GLubyte value)
3082 {
3083 return static_cast<GLfloat>(value) / std::numeric_limits<GLubyte>::max();
3084 }
3085
pack_BYTE(GLbyte value)3086 float RectangleTest::pack_BYTE(GLbyte value)
3087 {
3088 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLbyte>::max(), -1.0f);
3089 }
3090
pack_UNSIGNED_SHORT(GLushort value)3091 float RectangleTest::pack_UNSIGNED_SHORT(GLushort value)
3092 {
3093 return static_cast<GLfloat>(value) / std::numeric_limits<GLushort>::max();
3094 }
3095
pack_SHORT(GLshort value)3096 float RectangleTest::pack_SHORT(GLshort value)
3097 {
3098 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLshort>::max(), -1.0f);
3099 }
3100
pack_UNSIGNED_INT(GLuint value)3101 float RectangleTest::pack_UNSIGNED_INT(GLuint value)
3102 {
3103 return static_cast<GLfloat>(value) / std::numeric_limits<GLuint>::max();
3104 }
3105
pack_INT(GLint value)3106 float RectangleTest::pack_INT(GLint value)
3107 {
3108 return deFloatMax(static_cast<GLfloat>(value) / std::numeric_limits<GLint>::max(), -1.0f);
3109 }
3110
pack_HALF_FLOAT(GLhalf value)3111 float RectangleTest::pack_HALF_FLOAT(GLhalf value)
3112 {
3113 return halfFloatToFloat(value);
3114 }
3115
pack_FLOAT(GLfloat value)3116 float RectangleTest::pack_FLOAT(GLfloat value)
3117 {
3118 return value;
3119 }
3120
pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel * values,GLubyte value)3121 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel* values, GLubyte value)
3122 {
3123 (*values)[0] = ((value >> 5) & 7) / 7.0f;
3124 (*values)[1] = ((value >> 2) & 7) / 7.0f;
3125 (*values)[2] = ((value >> 0) & 3) / 3.0f;
3126 }
3127
pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel * values,GLubyte value)3128 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel* values, GLubyte value)
3129 {
3130 (*values)[0] = (value >> 5) & 7;
3131 (*values)[1] = (value >> 2) & 7;
3132 (*values)[2] = (value >> 0) & 3;
3133 }
3134
pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel * values,GLubyte value)3135 void RectangleTest::pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel* values, GLubyte value)
3136 {
3137 (*values)[0] = (static_cast<GLbyte>(value) >> 5) & 7;
3138 (*values)[1] = (static_cast<GLbyte>(value) >> 2) & 7;
3139 (*values)[2] = (static_cast<GLbyte>(value) >> 0) & 3;
3140 }
3141
pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel * values,GLubyte value)3142 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel* values, GLubyte value)
3143 {
3144 (*values)[2] = ((value >> 6) & 3) / 3.0f;
3145 (*values)[1] = ((value >> 3) & 7) / 7.0f;
3146 (*values)[0] = ((value >> 0) & 7) / 7.0f;
3147 }
3148
pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel * values,GLubyte value)3149 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel* values, GLubyte value)
3150 {
3151 (*values)[2] = (value >> 6) & 3;
3152 (*values)[1] = (value >> 3) & 7;
3153 (*values)[0] = (value >> 0) & 7;
3154 }
3155
pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel * values,GLubyte value)3156 void RectangleTest::pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel* values, GLubyte value)
3157 {
3158 (*values)[2] = (static_cast<GLbyte>(value) >> 6) & 3;
3159 (*values)[1] = (static_cast<GLbyte>(value) >> 3) & 7;
3160 (*values)[0] = (static_cast<GLbyte>(value) >> 0) & 7;
3161 }
3162
pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel * values,GLushort value)3163 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel* values, GLushort value)
3164 {
3165 (*values)[0] = ((value >> 11) & 31) / 31.0f;
3166 (*values)[1] = ((value >> 5) & 63) / 63.0f;
3167 (*values)[2] = ((value >> 0) & 31) / 31.0f;
3168 }
3169
pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel * values,GLushort value)3170 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel* values, GLushort value)
3171 {
3172 (*values)[0] = (value >> 11) & 31;
3173 (*values)[1] = (value >> 5) & 63;
3174 (*values)[2] = (value >> 0) & 31;
3175 }
3176
pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel * values,GLushort value)3177 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel* values, GLushort value)
3178 {
3179 (*values)[0] = (static_cast<GLshort>(value) >> 11) & 31;
3180 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 63;
3181 (*values)[2] = (static_cast<GLshort>(value) >> 0) & 31;
3182 }
3183
pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel * values,GLushort value)3184 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel* values, GLushort value)
3185 {
3186 (*values)[2] = ((value >> 11) & 31) / 31.0f;
3187 (*values)[1] = ((value >> 5) & 63) / 63.0f;
3188 (*values)[0] = ((value >> 0) & 31) / 31.0f;
3189 }
3190
pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel * values,GLushort value)3191 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel* values, GLushort value)
3192 {
3193 (*values)[2] = (value >> 11) & 31;
3194 (*values)[1] = (value >> 5) & 63;
3195 (*values)[0] = (value >> 0) & 31;
3196 }
3197
pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel * values,GLushort value)3198 void RectangleTest::pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel* values, GLushort value)
3199 {
3200 (*values)[2] = (static_cast<GLshort>(value) >> 11) & 31;
3201 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 63;
3202 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 31;
3203 }
3204
pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel * values,GLushort value)3205 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel* values, GLushort value)
3206 {
3207 (*values)[0] = ((value >> 12) & 15) / 15.0f;
3208 (*values)[1] = ((value >> 8) & 15) / 15.0f;
3209 (*values)[2] = ((value >> 4) & 15) / 15.0f;
3210 (*values)[3] = ((value >> 0) & 15) / 15.0f;
3211 }
3212
pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel * values,GLushort value)3213 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel* values, GLushort value)
3214 {
3215 (*values)[0] = (value >> 12) & 15;
3216 (*values)[1] = (value >> 8) & 15;
3217 (*values)[2] = (value >> 4) & 15;
3218 (*values)[3] = (value >> 0) & 15;
3219 }
3220
pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel * values,GLushort value)3221 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel* values, GLushort value)
3222 {
3223 (*values)[0] = (static_cast<GLshort>(value) >> 12) & 15;
3224 (*values)[1] = (static_cast<GLshort>(value) >> 8) & 15;
3225 (*values)[2] = (static_cast<GLshort>(value) >> 4) & 15;
3226 (*values)[3] = (static_cast<GLshort>(value) >> 0) & 15;
3227 }
3228
pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel * values,GLushort value)3229 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel* values, GLushort value)
3230 {
3231 (*values)[3] = ((value >> 12) & 15) / 15.0f;
3232 (*values)[2] = ((value >> 8) & 15) / 15.0f;
3233 (*values)[1] = ((value >> 4) & 15) / 15.0f;
3234 (*values)[0] = ((value >> 0) & 15) / 15.0f;
3235 }
3236
pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel * values,GLushort value)3237 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel* values, GLushort value)
3238 {
3239 (*values)[3] = (value >> 12) & 15;
3240 (*values)[2] = (value >> 8) & 15;
3241 (*values)[1] = (value >> 4) & 15;
3242 (*values)[0] = (value >> 0) & 15;
3243 }
3244
pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel * values,GLushort value)3245 void RectangleTest::pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel* values, GLushort value)
3246 {
3247 (*values)[3] = (static_cast<GLshort>(value) >> 12) & 15;
3248 (*values)[2] = (static_cast<GLshort>(value) >> 8) & 15;
3249 (*values)[1] = (static_cast<GLshort>(value) >> 4) & 15;
3250 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 15;
3251 }
3252
pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel * values,GLushort value)3253 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel* values, GLushort value)
3254 {
3255 (*values)[0] = ((value >> 11) & 31) / 31.0f;
3256 (*values)[1] = ((value >> 6) & 31) / 31.0f;
3257 (*values)[2] = ((value >> 1) & 31) / 31.0f;
3258 (*values)[3] = ((value >> 0) & 1) / 1.0f;
3259 }
3260
pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel * values,GLushort value)3261 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel* values, GLushort value)
3262 {
3263 (*values)[0] = (value >> 11) & 31;
3264 (*values)[1] = (value >> 6) & 31;
3265 (*values)[2] = (value >> 1) & 31;
3266 (*values)[3] = (value >> 0) & 1;
3267 }
3268
pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel * values,GLushort value)3269 void RectangleTest::pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel* values, GLushort value)
3270 {
3271 (*values)[0] = (static_cast<GLshort>(value) >> 11) & 31;
3272 (*values)[1] = (static_cast<GLshort>(value) >> 6) & 31;
3273 (*values)[2] = (static_cast<GLshort>(value) >> 1) & 31;
3274 (*values)[3] = (static_cast<GLshort>(value) >> 0) & 1;
3275 }
3276
pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel * values,GLushort value)3277 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel* values, GLushort value)
3278 {
3279 (*values)[3] = ((value >> 15) & 1) / 1.0f;
3280 (*values)[2] = ((value >> 10) & 31) / 31.0f;
3281 (*values)[1] = ((value >> 5) & 31) / 31.0f;
3282 (*values)[0] = ((value >> 0) & 31) / 31.0f;
3283 }
3284
pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel * values,GLushort value)3285 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel* values, GLushort value)
3286 {
3287 (*values)[3] = (value >> 15) & 1;
3288 (*values)[2] = (value >> 10) & 31;
3289 (*values)[1] = (value >> 5) & 31;
3290 (*values)[0] = (value >> 0) & 31;
3291 }
3292
pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel * values,GLushort value)3293 void RectangleTest::pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel* values, GLushort value)
3294 {
3295 (*values)[3] = (static_cast<GLshort>(value) >> 15) & 1;
3296 (*values)[2] = (static_cast<GLshort>(value) >> 10) & 31;
3297 (*values)[1] = (static_cast<GLshort>(value) >> 5) & 31;
3298 (*values)[0] = (static_cast<GLshort>(value) >> 0) & 31;
3299 }
3300
pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel * values,GLuint value)3301 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel* values, GLuint value)
3302 {
3303 (*values)[0] = ((value >> 24) & 255) / 255.0f;
3304 (*values)[1] = ((value >> 16) & 255) / 255.0f;
3305 (*values)[2] = ((value >> 8) & 255) / 255.0f;
3306 (*values)[3] = ((value >> 0) & 255) / 255.0f;
3307 }
3308
pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel * values,GLuint value)3309 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel* values, GLuint value)
3310 {
3311 (*values)[0] = (value >> 24) & 255;
3312 (*values)[1] = (value >> 16) & 255;
3313 (*values)[2] = (value >> 8) & 255;
3314 (*values)[3] = (value >> 0) & 255;
3315 }
3316
pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel * values,GLuint value)3317 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel* values, GLuint value)
3318 {
3319 (*values)[0] = (static_cast<GLint>(value) >> 24) & 255;
3320 (*values)[1] = (static_cast<GLint>(value) >> 16) & 255;
3321 (*values)[2] = (static_cast<GLint>(value) >> 8) & 255;
3322 (*values)[3] = (static_cast<GLint>(value) >> 0) & 255;
3323 }
3324
pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel * values,GLuint value)3325 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel* values, GLuint value)
3326 {
3327 (*values)[3] = ((value >> 24) & 255) / 255.0f;
3328 (*values)[2] = ((value >> 16) & 255) / 255.0f;
3329 (*values)[1] = ((value >> 8) & 255) / 255.0f;
3330 (*values)[0] = ((value >> 0) & 255) / 255.0f;
3331 }
3332
pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel * values,GLuint value)3333 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel* values, GLuint value)
3334 {
3335 (*values)[3] = (value >> 24) & 255;
3336 (*values)[2] = (value >> 16) & 255;
3337 (*values)[1] = (value >> 8) & 255;
3338 (*values)[0] = (value >> 0) & 255;
3339 }
3340
pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel * values,GLuint value)3341 void RectangleTest::pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel* values, GLuint value)
3342 {
3343 (*values)[3] = (static_cast<GLint>(value) >> 24) & 255;
3344 (*values)[2] = (static_cast<GLint>(value) >> 16) & 255;
3345 (*values)[1] = (static_cast<GLint>(value) >> 8) & 255;
3346 (*values)[0] = (static_cast<GLint>(value) >> 0) & 255;
3347 }
3348
pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel * values,GLuint value)3349 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel* values, GLuint value)
3350 {
3351 (*values)[0] = ((value >> 22) & 1023) / 1023.0f;
3352 (*values)[1] = ((value >> 12) & 1023) / 1023.0f;
3353 (*values)[2] = ((value >> 2) & 1023) / 1023.0f;
3354 (*values)[3] = ((value >> 0) & 3) / 3.0f;
3355 }
3356
pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel * values,GLuint value)3357 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel* values, GLuint value)
3358 {
3359 (*values)[0] = ((value >> 22) & 1023);
3360 (*values)[1] = ((value >> 12) & 1023);
3361 (*values)[2] = ((value >> 2) & 1023);
3362 (*values)[3] = ((value >> 0) & 3);
3363 }
3364
pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel * values,GLuint value)3365 void RectangleTest::pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel* values, GLuint value)
3366 {
3367 (*values)[0] = ((static_cast<GLint>(value) >> 22) & 1023);
3368 (*values)[1] = ((static_cast<GLint>(value) >> 12) & 1023);
3369 (*values)[2] = ((static_cast<GLint>(value) >> 2) & 1023);
3370 (*values)[3] = ((static_cast<GLint>(value) >> 0) & 3);
3371 }
3372
pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel * values,GLuint value)3373 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel* values, GLuint value)
3374 {
3375 (*values)[3] = ((value >> 30) & 3) / 3.0f;
3376 (*values)[2] = ((value >> 20) & 1023) / 1023.0f;
3377 (*values)[1] = ((value >> 10) & 1023) / 1023.0f;
3378 (*values)[0] = ((value >> 0) & 1023) / 1023.0f;
3379 }
3380
pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel * values,GLuint value)3381 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel* values, GLuint value)
3382 {
3383 (*values)[3] = (value >> 30) & 3;
3384 (*values)[2] = (value >> 20) & 1023;
3385 (*values)[1] = (value >> 10) & 1023;
3386 (*values)[0] = (value >> 0) & 1023;
3387 }
3388
pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel * values,GLuint value)3389 void RectangleTest::pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel* values, GLuint value)
3390 {
3391 (*values)[3] = (static_cast<GLint>(value) >> 30) & 3;
3392 (*values)[2] = (static_cast<GLint>(value) >> 20) & 1023;
3393 (*values)[1] = (static_cast<GLint>(value) >> 10) & 1023;
3394 (*values)[0] = (static_cast<GLint>(value) >> 0) & 1023;
3395 }
3396
pack_UNSIGNED_INT_24_8(rawFloatPixel * values,GLuint value)3397 void RectangleTest::pack_UNSIGNED_INT_24_8(rawFloatPixel* values, GLuint value)
3398 {
3399 (*values)[0] = ((value >> 8) & 16777215) / 16777215.0f;
3400 (*values)[1] = ((value >> 0) & 255) / 255.0f;
3401 }
3402
pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel * values,GLuint value)3403 void RectangleTest::pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel* values, GLuint value)
3404 {
3405 (*values)[2] = unsignedF10ToFloat((value >> 22) & 1023);
3406 (*values)[1] = unsignedF11ToFloat((value >> 11) & 2047);
3407 (*values)[0] = unsignedF11ToFloat((value >> 0) & 2047);
3408 }
3409
pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel * values,GLuint value)3410 void RectangleTest::pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel* values, GLuint value)
3411 {
3412 const int B = 15;
3413 const int N = 9;
3414 GLint pExp = ((value >> 27) & 31);
3415 GLuint pBlue = ((value >> 18) & 511);
3416 GLuint pGreen = ((value >> 9) & 511);
3417 GLuint pRed = ((value >> 0) & 511);
3418
3419 (*values)[2] = (float)(pBlue * pow(2.0, pExp - B - N));
3420 (*values)[1] = (float)(pGreen * pow(2.0, pExp - B - N));
3421 (*values)[0] = (float)(pRed * pow(2.0, pExp - B - N));
3422 (*values)[3] = 1.0f;
3423 }
3424
pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel * values,F_32_UINT_24_8_REV value)3425 void RectangleTest::pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel* values, F_32_UINT_24_8_REV value)
3426 {
3427 (*values)[0] = value.d;
3428 (*values)[1] = (value.s & 255) / 255.0f;
3429 }
3430
getTexImage()3431 bool RectangleTest::getTexImage()
3432 {
3433 // for each output format
3434 for (int m = 0; m < DE_LENGTH_OF_ARRAY(coreFormats); ++m)
3435 {
3436 const PixelFormat& outputFormat = coreFormats[m];
3437
3438 // for each output type
3439 for (int n = 0; n < DE_LENGTH_OF_ARRAY(coreTypes); ++n)
3440 {
3441 const PixelType& outputType = coreTypes[n];
3442
3443 if ((m_inputFormat.format != m_internalFormat.format || m_inputType.type != m_internalFormat.type) &&
3444 (outputFormat.format != m_internalFormat.format || outputType.type != m_internalFormat.type))
3445 {
3446 continue;
3447 }
3448
3449 if (!getTexImageInner(outputFormat, outputType))
3450 return false;
3451 }
3452 }
3453
3454 return true;
3455 }
3456
getTexImageInner(const PixelFormat & outputFormat,const PixelType & outputType)3457 bool RectangleTest::getTexImageInner(const PixelFormat& outputFormat, const PixelType& outputType)
3458 {
3459 bool outputFormatValid = isFormatValid(outputFormat, outputType, m_internalFormat, false, true, OUTPUT_GETTEXIMAGE);
3460
3461 GLenum error = readOutputData(outputFormat, outputType, OUTPUT_GETTEXIMAGE);
3462 m_countGetTexImage++;
3463
3464 if (!outputFormatValid)
3465 {
3466 if (error)
3467 {
3468 m_countGetTexImageOK++;
3469 return true;
3470 }
3471
3472 m_testCtx.getLog() << tcu::TestLog::Message << "Expected error but got no GL error" << tcu::TestLog::EndMessage;
3473 return false;
3474 }
3475 else if (error)
3476 {
3477 m_testCtx.getLog() << tcu::TestLog::Message << "Error during glGetTexImage" << tcu::TestLog::EndMessage;
3478 return false;
3479 }
3480
3481 m_countGetTexImageOK++;
3482 m_countCompare++;
3483
3484 // compare output gradient to input gradient
3485 if (compare(&m_gradient[0], &m_outputBuffer[0], outputFormat, outputType, false))
3486 {
3487 m_countCompareOK++;
3488 return true;
3489 }
3490
3491 m_testCtx.getLog() << tcu::TestLog::Message << "Gradient comparison failed during GetTexImage for input = ["
3492 << getFormatStr(m_inputFormat.format) << ", " << getTypeStr(m_inputType.type) << "] output = ["
3493 << getFormatStr(outputFormat.format) << ", " << getTypeStr(outputType.type) << "]"
3494 << tcu::TestLog::EndMessage;
3495 return false;
3496 }
3497
testAllFormatsAndTypes()3498 void RectangleTest::testAllFormatsAndTypes()
3499 {
3500 DE_ASSERT((m_textureTarget == GL_TEXTURE_2D) || (m_textureTarget == GL_TEXTURE_3D));
3501
3502 glu::RenderContext& renderContext = m_context.getRenderContext();
3503 const Functions& gl = renderContext.getFunctions();
3504 bool result = true;
3505
3506 gl.clear(GL_COLOR_BUFFER_BIT);
3507
3508 const PixelType* types;
3509 int typesCount;
3510 const PixelFormat* formats;
3511 int formatsCount;
3512 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
3513 {
3514 types = esTypes;
3515 typesCount = DE_LENGTH_OF_ARRAY(esTypes);
3516 formats = esFormats;
3517 formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
3518 }
3519 else
3520 {
3521 types = coreTypes;
3522 typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
3523 formats = coreFormats;
3524 formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
3525 }
3526
3527 for (int inputFormatIndex = 0; inputFormatIndex < formatsCount; inputFormatIndex++)
3528 {
3529 m_inputFormat = formats[inputFormatIndex];
3530
3531 for (int inputTypeIndex = 0; inputTypeIndex < typesCount; inputTypeIndex++)
3532 {
3533 GLenum error = 0;
3534 m_inputType = types[inputTypeIndex];
3535
3536 applyInitialStorageModes();
3537
3538 // Create input gradient in format,type, with appropriate range
3539 createGradient();
3540 if (m_gradient.empty())
3541 TCU_FAIL("Could not create gradient.");
3542
3543 if (m_unpackProperties.swapBytes)
3544 swapBytes(m_inputType.size, m_gradient);
3545
3546 GLuint texture;
3547 gl.genTextures(1, &texture);
3548 gl.bindTexture(m_textureTarget, texture);
3549 GLU_EXPECT_NO_ERROR(gl.getError(), "glBindTexture");
3550 if (m_textureTarget == GL_TEXTURE_3D)
3551 {
3552 gl.texImage3D(GL_TEXTURE_3D, 0, m_internalFormat.sizedFormat, GRADIENT_WIDTH, GRADIENT_HEIGHT, 1, 0,
3553 m_inputFormat.format, m_inputType.type, &m_gradient[0]);
3554 }
3555 else
3556 {
3557 gl.texImage2D(GL_TEXTURE_2D, 0, m_internalFormat.sizedFormat, GRADIENT_WIDTH, GRADIENT_HEIGHT, 0,
3558 m_inputFormat.format, m_inputType.type, &m_gradient[0]);
3559 }
3560
3561 if (m_unpackProperties.swapBytes)
3562 swapBytes(m_inputType.size, m_gradient);
3563
3564 error = gl.getError();
3565 if (isFormatValid(m_inputFormat, m_inputType, m_internalFormat, true, false, INPUT_TEXIMAGE))
3566 {
3567 if (error == GL_NO_ERROR)
3568 {
3569 if (!glu::isContextTypeES(renderContext.getType()))
3570 result &= getTexImage();
3571 result &= doRead(texture);
3572 }
3573 else
3574 {
3575 m_testCtx.getLog() << tcu::TestLog::Message << "Valid format used but glTexImage2D/3D failed"
3576 << tcu::TestLog::EndMessage;
3577 result = false;
3578 }
3579 }
3580 else if (error == GL_NO_ERROR)
3581 {
3582 m_testCtx.getLog() << tcu::TestLog::Message << "Invalid format used but glTexImage2D/3D succeeded"
3583 << tcu::TestLog::EndMessage;
3584 result = false;
3585 }
3586
3587 gl.deleteTextures(1, &texture);
3588 }
3589 }
3590
3591 if (result)
3592 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
3593 else
3594 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
3595 }
3596
iterate(void)3597 tcu::TestNode::IterateResult RectangleTest::iterate(void)
3598 {
3599 resetInitialStorageModes();
3600 testAllFormatsAndTypes();
3601 return STOP;
3602 }
3603
3604 class InitialValuesTest : public deqp::TestCase
3605 {
3606 public:
3607 InitialValuesTest(deqp::Context& context);
3608 virtual ~InitialValuesTest();
3609
3610 tcu::TestNode::IterateResult iterate(void);
3611 };
3612
InitialValuesTest(deqp::Context & context)3613 InitialValuesTest::InitialValuesTest(deqp::Context& context)
3614 : deqp::TestCase(context, "initial_values", "Verify if all UNPACK and PACK initial "
3615 "state matches the values in table 6.28 (6.23, in ES.)")
3616 {
3617 }
3618
~InitialValuesTest()3619 InitialValuesTest::~InitialValuesTest()
3620 {
3621 }
3622
iterate(void)3623 tcu::TestNode::IterateResult InitialValuesTest::iterate(void)
3624 {
3625 glu::RenderContext& renderContext = m_context.getRenderContext();
3626 const Functions& gl = renderContext.getFunctions();
3627
3628 bool result = true;
3629
3630 GLenum commonIntModes[] = { GL_UNPACK_ROW_LENGTH, GL_UNPACK_SKIP_ROWS, GL_UNPACK_SKIP_PIXELS,
3631 GL_UNPACK_IMAGE_HEIGHT, GL_UNPACK_SKIP_IMAGES, GL_PACK_ROW_LENGTH,
3632 GL_PACK_SKIP_ROWS, GL_PACK_SKIP_PIXELS };
3633
3634 // check if following eight storage modes are 0
3635 GLint i = 1;
3636 for (int mode = 0; mode < DE_LENGTH_OF_ARRAY(commonIntModes); mode++)
3637 {
3638 gl.getIntegerv(commonIntModes[mode], &i);
3639 result &= (i == 0);
3640 }
3641
3642 // check if following two storage modes are 4
3643 gl.getIntegerv(GL_UNPACK_ALIGNMENT, &i);
3644 result &= (i == 4);
3645 gl.getIntegerv(GL_PACK_ALIGNMENT, &i);
3646 result &= (i == 4);
3647
3648 // check storage modes available only in core GL
3649 if (!glu::isContextTypeES(renderContext.getType()))
3650 {
3651 // check if following four boolean modes are false
3652 GLboolean b = true;
3653 gl.getBooleanv(GL_UNPACK_SWAP_BYTES, &b);
3654 result &= (b == false);
3655 gl.getBooleanv(GL_UNPACK_LSB_FIRST, &b);
3656 result &= (b == false);
3657 gl.getBooleanv(GL_PACK_SWAP_BYTES, &b);
3658 result &= (b == false);
3659 gl.getBooleanv(GL_PACK_LSB_FIRST, &b);
3660 result &= (b == false);
3661
3662 // check if following two modes are 0
3663 gl.getIntegerv(GL_PACK_IMAGE_HEIGHT, &i);
3664 result &= (i == 0);
3665 gl.getIntegerv(GL_PACK_SKIP_IMAGES, &i);
3666 result &= (i == 0);
3667 }
3668
3669 // make sure that no pack/unpack buffers are bound
3670 gl.getIntegerv(GL_PIXEL_PACK_BUFFER_BINDING, &i);
3671 result &= (i == 0);
3672 gl.getIntegerv(GL_PIXEL_UNPACK_BUFFER_BINDING, &i);
3673 result &= (i == 0);
3674
3675 if (result)
3676 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
3677 else
3678 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
3679 return STOP;
3680 }
3681
3682 class PBORectangleTest : public RectangleTest
3683 {
3684 public:
3685 PBORectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
3686 virtual ~PBORectangleTest();
3687 };
3688
PBORectangleTest(deqp::Context & context,std::string & name,InternalFormat internalFormat)3689 PBORectangleTest::PBORectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
3690 : RectangleTest(context, name, internalFormat)
3691 {
3692 m_usePBO = true;
3693 }
3694
~PBORectangleTest()3695 PBORectangleTest::~PBORectangleTest()
3696 {
3697 }
3698
3699 class VariedRectangleTest : public RectangleTest
3700 {
3701 public:
3702 VariedRectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
3703 virtual ~VariedRectangleTest();
3704
3705 tcu::TestNode::IterateResult iterate(void);
3706
3707 protected:
3708 struct StoreMode
3709 {
3710 GLenum parameter;
3711 GLint* property;
3712 GLint value;
3713 };
3714 };
3715
VariedRectangleTest(deqp::Context & context,std::string & name,InternalFormat internalFormat)3716 VariedRectangleTest::VariedRectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
3717 : RectangleTest(context, name, internalFormat)
3718 {
3719 }
3720
~VariedRectangleTest()3721 VariedRectangleTest::~VariedRectangleTest()
3722 {
3723 }
3724
iterate(void)3725 tcu::TestNode::IterateResult VariedRectangleTest::iterate(void)
3726 {
3727 const int IMAGE_WIDTH_1 = 10;
3728 const int IMAGE_WIDTH_2 = 15;
3729 const int IMAGE_HEIGHT_1 = 10;
3730 const int IMAGE_HEIGHT_2 = 15;
3731
3732 PackedPixelsBufferProperties& up = m_initialUnpackProperties;
3733 PackedPixelsBufferProperties& pp = m_initialPackProperties;
3734
3735 StoreMode commonCases[] = {
3736 { GL_UNPACK_ROW_LENGTH, &up.rowLength, 0 },
3737 { GL_UNPACK_ROW_LENGTH, &up.rowLength, IMAGE_WIDTH_1 },
3738 { GL_UNPACK_ROW_LENGTH, &up.rowLength, IMAGE_WIDTH_2 },
3739 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 0 },
3740 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 1 },
3741 { GL_UNPACK_SKIP_ROWS, &up.skipRows, 2 },
3742 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 0 },
3743 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 1 },
3744 { GL_UNPACK_SKIP_PIXELS, &up.skipPixels, 2 },
3745 { GL_UNPACK_ALIGNMENT, &up.alignment, 1 },
3746 { GL_UNPACK_ALIGNMENT, &up.alignment, 2 },
3747 { GL_UNPACK_ALIGNMENT, &up.alignment, 4 },
3748 { GL_UNPACK_ALIGNMENT, &up.alignment, 8 },
3749 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, 0 },
3750 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, IMAGE_HEIGHT_1 },
3751 { GL_UNPACK_IMAGE_HEIGHT, &up.rowCount, IMAGE_HEIGHT_2 },
3752 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 0 },
3753 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 1 },
3754 { GL_UNPACK_SKIP_IMAGES, &up.skipImages, 2 },
3755 { GL_PACK_ROW_LENGTH, &pp.rowLength, 0 },
3756 { GL_PACK_ROW_LENGTH, &pp.rowLength, IMAGE_WIDTH_1 },
3757 { GL_PACK_ROW_LENGTH, &pp.rowLength, IMAGE_WIDTH_2 },
3758 { GL_PACK_SKIP_ROWS, &pp.skipRows, 0 },
3759 { GL_PACK_SKIP_ROWS, &pp.skipRows, 1 },
3760 { GL_PACK_SKIP_ROWS, &pp.skipRows, 2 },
3761 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 0 },
3762 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 1 },
3763 { GL_PACK_SKIP_PIXELS, &pp.skipPixels, 2 },
3764 { GL_PACK_ALIGNMENT, &pp.alignment, 1 },
3765 { GL_PACK_ALIGNMENT, &pp.alignment, 2 },
3766 { GL_PACK_ALIGNMENT, &pp.alignment, 4 },
3767 { GL_PACK_ALIGNMENT, &pp.alignment, 8 },
3768 };
3769
3770 StoreMode coreCases[] = {
3771 { GL_UNPACK_SWAP_BYTES, &up.swapBytes, GL_FALSE },
3772 { GL_UNPACK_SWAP_BYTES, &up.swapBytes, GL_TRUE },
3773 { GL_UNPACK_LSB_FIRST, &up.lsbFirst, GL_FALSE },
3774 { GL_UNPACK_LSB_FIRST, &up.lsbFirst, GL_TRUE },
3775 { GL_PACK_SWAP_BYTES, &pp.swapBytes, GL_FALSE },
3776 { GL_PACK_SWAP_BYTES, &pp.swapBytes, GL_TRUE },
3777 { GL_PACK_LSB_FIRST, &pp.lsbFirst, GL_FALSE },
3778 { GL_PACK_LSB_FIRST, &pp.lsbFirst, GL_TRUE },
3779 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, 0 },
3780 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, IMAGE_HEIGHT_1 },
3781 { GL_PACK_IMAGE_HEIGHT, &pp.rowCount, IMAGE_HEIGHT_2 },
3782 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 0 },
3783 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 1 },
3784 { GL_PACK_SKIP_IMAGES, &pp.skipImages, 2 },
3785 };
3786
3787 std::vector<StoreMode> testModes(commonCases, commonCases + DE_LENGTH_OF_ARRAY(commonCases));
3788 glu::RenderContext& renderContext = m_context.getRenderContext();
3789 bool contextTypeIsCoreGL = !glu::isContextTypeES(renderContext.getType());
3790 if (contextTypeIsCoreGL)
3791 testModes.insert(testModes.end(), coreCases, coreCases + DE_LENGTH_OF_ARRAY(coreCases));
3792
3793 std::vector<StoreMode>::iterator currentCase = testModes.begin();
3794 while (currentCase != testModes.end())
3795 {
3796 resetInitialStorageModes();
3797
3798 GLenum parameter = currentCase->parameter;
3799 GLint value = currentCase->value;
3800
3801 *(currentCase->property) = value;
3802
3803 // for some parameters an additional parameter needs to be set
3804 if (parameter == GL_PACK_SKIP_ROWS)
3805 {
3806 if (contextTypeIsCoreGL)
3807 m_initialPackProperties.rowCount = GRADIENT_HEIGHT + value;
3808 }
3809 else if (parameter == GL_PACK_SKIP_PIXELS)
3810 m_initialPackProperties.rowLength = GRADIENT_WIDTH + value;
3811 else if (parameter == GL_UNPACK_SKIP_ROWS)
3812 m_initialUnpackProperties.rowCount = GRADIENT_HEIGHT + value;
3813 else if (parameter == GL_UNPACK_SKIP_PIXELS)
3814 m_initialUnpackProperties.rowLength = GRADIENT_WIDTH + value;
3815
3816 m_textureTarget = GL_TEXTURE_2D;
3817 if ((parameter == GL_PACK_IMAGE_HEIGHT) || (parameter == GL_PACK_SKIP_IMAGES) ||
3818 (parameter == GL_UNPACK_IMAGE_HEIGHT) || (parameter == GL_UNPACK_SKIP_IMAGES))
3819 m_textureTarget = GL_TEXTURE_3D;
3820
3821 testAllFormatsAndTypes();
3822
3823 if (m_testCtx.getTestResult() != QP_TEST_RESULT_PASS)
3824 {
3825 m_testCtx.getLog() << tcu::TestLog::Message
3826 << "Case for: " << glu::getGettableStateStr(parameter).toString() << " = " << value
3827 << " failed." << tcu::TestLog::EndMessage;
3828 return STOP;
3829 }
3830
3831 ++currentCase;
3832 }
3833
3834 return STOP;
3835 }
3836
PackedPixelsTests(deqp::Context & context)3837 PackedPixelsTests::PackedPixelsTests(deqp::Context& context) : TestCaseGroup(context, "packed_pixels", "")
3838 {
3839 }
3840
~PackedPixelsTests(void)3841 PackedPixelsTests::~PackedPixelsTests(void)
3842 {
3843 #ifdef LOG_PACKED_PIXELS_STATISTICS
3844 m_testCtx.getLog() << tcu::TestLog::Message << "PackedPixelsTests statistics:"
3845 << "\n countReadPixels: " << RectangleTest::m_countReadPixels
3846 << "\n countReadPixelsOK: " << RectangleTest::m_countReadPixelsOK
3847 << "\n countGetTexImage: " << RectangleTest::m_countGetTexImage
3848 << "\n countGetTexImageOK: " << RectangleTest::m_countGetTexImageOK
3849 << "\n countCompare: " << RectangleTest::m_countCompare
3850 << "\n countCompareOK: " << RectangleTest::m_countCompareOK << tcu::TestLog::EndMessage;
3851 #endif
3852 }
3853
init(void)3854 void PackedPixelsTests::init(void)
3855 {
3856 const InternalFormat* internalFormats;
3857 unsigned int internalFormatsCount;
3858
3859 if (glu::isContextTypeES(m_context.getRenderContext().getType()))
3860 {
3861 internalFormats = esInternalformats;
3862 internalFormatsCount = DE_LENGTH_OF_ARRAY(esInternalformats);
3863 }
3864 else
3865 {
3866 internalFormats = coreInternalformats;
3867 internalFormatsCount = DE_LENGTH_OF_ARRAY(coreInternalformats);
3868 }
3869
3870 TestCaseGroup* rectangleGroup = new deqp::TestCaseGroup(m_context, "rectangle", "");
3871 rectangleGroup->addChild(new InitialValuesTest(m_context));
3872 TestCaseGroup* pboRectangleGroup = new deqp::TestCaseGroup(m_context, "pbo_rectangle", "");
3873 TestCaseGroup* variedRectangleGroup = new deqp::TestCaseGroup(m_context, "varied_rectangle", "");
3874
3875 for (unsigned int internalFormatIndex = 0; internalFormatIndex < internalFormatsCount; internalFormatIndex++)
3876 {
3877 const InternalFormat& internalFormat = internalFormats[internalFormatIndex];
3878 std::string internalFormatString = getFormatStr(internalFormat.sizedFormat);
3879
3880 std::string name = internalFormatString.substr(3);
3881 std::transform(name.begin(), name.end(), name.begin(), tolower);
3882
3883 rectangleGroup->addChild(new RectangleTest(m_context, name, internalFormat));
3884 pboRectangleGroup->addChild(new PBORectangleTest(m_context, name, internalFormat));
3885 variedRectangleGroup->addChild(new VariedRectangleTest(m_context, name, internalFormat));
3886 }
3887
3888 addChild(rectangleGroup);
3889 addChild(pboRectangleGroup);
3890 addChild(variedRectangleGroup);
3891 }
3892
3893 } /* glcts namespace */
3894