1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.0 Module
3 * -------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
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
21 * \brief Texture access function tests.
22 *//*--------------------------------------------------------------------*/
23
24 #include "es3fShaderTextureFunctionTests.hpp"
25 #include "glsShaderRenderCase.hpp"
26 #include "glsShaderLibrary.hpp"
27 #include "glsTextureTestUtil.hpp"
28 #include "gluTexture.hpp"
29 #include "gluTextureUtil.hpp"
30 #include "gluPixelTransfer.hpp"
31 #include "gluStrUtil.hpp"
32 #include "tcuTextureUtil.hpp"
33 #include "tcuMatrix.hpp"
34 #include "tcuMatrixUtil.hpp"
35 #include "tcuTestLog.hpp"
36 #include "glwFunctions.hpp"
37 #include "deMath.h"
38
39 #include <sstream>
40
41 #include "glwEnums.hpp"
42 #include "glwFunctions.hpp"
43
44 namespace deqp
45 {
46 namespace gles3
47 {
48 namespace Functional
49 {
50
51 namespace
52 {
53
54 using glu::TextureTestUtil::computeLodFromDerivates;
55
56 enum Function
57 {
58 FUNCTION_TEXTURE = 0, //!< texture(), textureOffset()
59 FUNCTION_TEXTUREPROJ, //!< textureProj(), textureProjOffset()
60 FUNCTION_TEXTUREPROJ3, //!< textureProj(sampler2D, vec3)
61 FUNCTION_TEXTURELOD, // ...
62 FUNCTION_TEXTUREPROJLOD,
63 FUNCTION_TEXTUREPROJLOD3, //!< textureProjLod(sampler2D, vec3)
64 FUNCTION_TEXTUREGRAD,
65 FUNCTION_TEXTUREPROJGRAD,
66 FUNCTION_TEXTUREPROJGRAD3, //!< textureProjGrad(sampler2D, vec3)
67 FUNCTION_TEXELFETCH,
68
69 FUNCTION_LAST
70 };
71
functionHasAutoLod(glu::ShaderType shaderType,Function function)72 inline bool functionHasAutoLod (glu::ShaderType shaderType, Function function)
73 {
74 return shaderType == glu::SHADERTYPE_FRAGMENT &&
75 (function == FUNCTION_TEXTURE ||
76 function == FUNCTION_TEXTUREPROJ ||
77 function == FUNCTION_TEXTUREPROJ3);
78 }
79
functionHasProj(Function function)80 inline bool functionHasProj (Function function)
81 {
82 return function == FUNCTION_TEXTUREPROJ ||
83 function == FUNCTION_TEXTUREPROJ3 ||
84 function == FUNCTION_TEXTUREPROJLOD ||
85 function == FUNCTION_TEXTUREPROJGRAD ||
86 function == FUNCTION_TEXTUREPROJLOD3 ||
87 function == FUNCTION_TEXTUREPROJGRAD3;
88 }
89
functionHasGrad(Function function)90 inline bool functionHasGrad (Function function)
91 {
92 return function == FUNCTION_TEXTUREGRAD || function == FUNCTION_TEXTUREPROJGRAD || function == FUNCTION_TEXTUREPROJGRAD3;
93 }
94
functionHasLod(Function function)95 inline bool functionHasLod (Function function)
96 {
97 return function == FUNCTION_TEXTURELOD ||
98 function == FUNCTION_TEXTUREPROJLOD ||
99 function == FUNCTION_TEXTUREPROJLOD3 ||
100 function == FUNCTION_TEXELFETCH;
101 }
102
103 struct TextureLookupSpec
104 {
105 Function function;
106
107 tcu::Vec4 minCoord;
108 tcu::Vec4 maxCoord;
109
110 // Bias
111 bool useBias;
112
113 // Bias or Lod for *Lod* functions
114 float minLodBias;
115 float maxLodBias;
116
117 // For *Grad* functions
118 tcu::Vec3 minDX;
119 tcu::Vec3 maxDX;
120 tcu::Vec3 minDY;
121 tcu::Vec3 maxDY;
122
123 bool useOffset;
124 tcu::IVec3 offset;
125
TextureLookupSpecdeqp::gles3::Functional::__anon6956a0e30111::TextureLookupSpec126 TextureLookupSpec (void)
127 : function (FUNCTION_LAST)
128 , minCoord (0.0f)
129 , maxCoord (1.0f)
130 , useBias (false)
131 , minLodBias (0.0f)
132 , maxLodBias (0.0f)
133 , minDX (0.0f)
134 , maxDX (0.0f)
135 , minDY (0.0f)
136 , maxDY (0.0f)
137 , useOffset (false)
138 , offset (0)
139 {
140 }
141
TextureLookupSpecdeqp::gles3::Functional::__anon6956a0e30111::TextureLookupSpec142 TextureLookupSpec (Function function_,
143 const tcu::Vec4& minCoord_,
144 const tcu::Vec4& maxCoord_,
145 bool useBias_,
146 float minLodBias_,
147 float maxLodBias_,
148 const tcu::Vec3& minDX_,
149 const tcu::Vec3& maxDX_,
150 const tcu::Vec3& minDY_,
151 const tcu::Vec3& maxDY_,
152 bool useOffset_,
153 const tcu::IVec3& offset_)
154 : function (function_)
155 , minCoord (minCoord_)
156 , maxCoord (maxCoord_)
157 , useBias (useBias_)
158 , minLodBias (minLodBias_)
159 , maxLodBias (maxLodBias_)
160 , minDX (minDX_)
161 , maxDX (maxDX_)
162 , minDY (minDY_)
163 , maxDY (maxDY_)
164 , useOffset (useOffset_)
165 , offset (offset_)
166 {
167 }
168 };
169
170 enum TextureType
171 {
172 TEXTURETYPE_2D,
173 TEXTURETYPE_CUBE_MAP,
174 TEXTURETYPE_2D_ARRAY,
175 TEXTURETYPE_3D,
176
177 TEXTURETYPE_LAST
178 };
179
180 struct TextureSpec
181 {
182 TextureType type; //!< Texture type (2D, cubemap, ...)
183 deUint32 format; //!< Internal format.
184 int width;
185 int height;
186 int depth;
187 int numLevels;
188 tcu::Sampler sampler;
189
TextureSpecdeqp::gles3::Functional::__anon6956a0e30111::TextureSpec190 TextureSpec (void)
191 : type (TEXTURETYPE_LAST)
192 , format (GL_NONE)
193 , width (0)
194 , height (0)
195 , depth (0)
196 , numLevels (0)
197 {
198 }
199
TextureSpecdeqp::gles3::Functional::__anon6956a0e30111::TextureSpec200 TextureSpec (TextureType type_,
201 deUint32 format_,
202 int width_,
203 int height_,
204 int depth_,
205 int numLevels_,
206 const tcu::Sampler& sampler_)
207 : type (type_)
208 , format (format_)
209 , width (width_)
210 , height (height_)
211 , depth (depth_)
212 , numLevels (numLevels_)
213 , sampler (sampler_)
214 {
215 }
216 };
217
218 struct TexLookupParams
219 {
220 float lod;
221 tcu::IVec3 offset;
222 tcu::Vec4 scale;
223 tcu::Vec4 bias;
224
TexLookupParamsdeqp::gles3::Functional::__anon6956a0e30111::TexLookupParams225 TexLookupParams (void)
226 : lod (0.0f)
227 , offset (0)
228 , scale (1.0f)
229 , bias (0.0f)
230 {
231 }
232 };
233
234 } // anonymous
235
236 using tcu::Vec2;
237 using tcu::Vec3;
238 using tcu::Vec4;
239 using tcu::IVec2;
240 using tcu::IVec3;
241 using tcu::IVec4;
242
243 static const glu::TextureTestUtil::LodMode DEFAULT_LOD_MODE = glu::TextureTestUtil::LODMODE_EXACT;
244
computeLodFromGrad2D(const gls::ShaderEvalContext & c)245 inline float computeLodFromGrad2D (const gls::ShaderEvalContext& c)
246 {
247 float w = (float)c.textures[0].tex2D->getWidth();
248 float h = (float)c.textures[0].tex2D->getHeight();
249 return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x()*w, c.in[1].y()*h, c.in[2].x()*w, c.in[2].y()*h);
250 }
251
computeLodFromGrad2DArray(const gls::ShaderEvalContext & c)252 inline float computeLodFromGrad2DArray (const gls::ShaderEvalContext& c)
253 {
254 float w = (float)c.textures[0].tex2DArray->getWidth();
255 float h = (float)c.textures[0].tex2DArray->getHeight();
256 return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x()*w, c.in[1].y()*h, c.in[2].x()*w, c.in[2].y()*h);
257 }
258
computeLodFromGrad3D(const gls::ShaderEvalContext & c)259 inline float computeLodFromGrad3D (const gls::ShaderEvalContext& c)
260 {
261 float w = (float)c.textures[0].tex3D->getWidth();
262 float h = (float)c.textures[0].tex3D->getHeight();
263 float d = (float)c.textures[0].tex3D->getDepth();
264 return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x()*w, c.in[1].y()*h, c.in[1].z()*d, c.in[2].x()*w, c.in[2].y()*h, c.in[2].z()*d);
265 }
266
computeLodFromGradCube(const gls::ShaderEvalContext & c)267 inline float computeLodFromGradCube (const gls::ShaderEvalContext& c)
268 {
269 // \note Major axis is always -Z or +Z
270 float m = de::abs(c.in[0].z());
271 float d = (float)c.textures[0].texCube->getSize();
272 float s = d/(2.0f*m);
273 float t = d/(2.0f*m);
274 return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x()*s, c.in[1].y()*t, c.in[2].x()*s, c.in[2].y()*t);
275 }
276
277 typedef void (*TexEvalFunc) (gls::ShaderEvalContext& c, const TexLookupParams& lookupParams);
278
texture2D(const gls::ShaderEvalContext & c,float s,float t,float lod)279 inline Vec4 texture2D (const gls::ShaderEvalContext& c, float s, float t, float lod) { return c.textures[0].tex2D->sample(c.textures[0].sampler, s, t, lod); }
textureCube(const gls::ShaderEvalContext & c,float s,float t,float r,float lod)280 inline Vec4 textureCube (const gls::ShaderEvalContext& c, float s, float t, float r, float lod) { return c.textures[0].texCube->sample(c.textures[0].sampler, s, t, r, lod); }
texture2DArray(const gls::ShaderEvalContext & c,float s,float t,float r,float lod)281 inline Vec4 texture2DArray (const gls::ShaderEvalContext& c, float s, float t, float r, float lod) { return c.textures[0].tex2DArray->sample(c.textures[0].sampler, s, t, r, lod); }
texture3D(const gls::ShaderEvalContext & c,float s,float t,float r,float lod)282 inline Vec4 texture3D (const gls::ShaderEvalContext& c, float s, float t, float r, float lod) { return c.textures[0].tex3D->sample(c.textures[0].sampler, s, t, r, lod); }
283
texture2DShadow(const gls::ShaderEvalContext & c,float ref,float s,float t,float lod)284 inline float texture2DShadow (const gls::ShaderEvalContext& c, float ref, float s, float t, float lod) { return c.textures[0].tex2D->sampleCompare(c.textures[0].sampler, ref, s, t, lod); }
textureCubeShadow(const gls::ShaderEvalContext & c,float ref,float s,float t,float r,float lod)285 inline float textureCubeShadow (const gls::ShaderEvalContext& c, float ref, float s, float t, float r, float lod) { return c.textures[0].texCube->sampleCompare(c.textures[0].sampler, ref, s, t, r, lod); }
texture2DArrayShadow(const gls::ShaderEvalContext & c,float ref,float s,float t,float r,float lod)286 inline float texture2DArrayShadow (const gls::ShaderEvalContext& c, float ref, float s, float t, float r, float lod) { return c.textures[0].tex2DArray->sampleCompare(c.textures[0].sampler, ref, s, t, r, lod); }
287
texture2DOffset(const gls::ShaderEvalContext & c,float s,float t,float lod,IVec2 offset)288 inline Vec4 texture2DOffset (const gls::ShaderEvalContext& c, float s, float t, float lod, IVec2 offset) { return c.textures[0].tex2D->sampleOffset(c.textures[0].sampler, s, t, lod, offset); }
texture2DArrayOffset(const gls::ShaderEvalContext & c,float s,float t,float r,float lod,IVec2 offset)289 inline Vec4 texture2DArrayOffset (const gls::ShaderEvalContext& c, float s, float t, float r, float lod, IVec2 offset) { return c.textures[0].tex2DArray->sampleOffset(c.textures[0].sampler, s, t, r, lod, offset); }
texture3DOffset(const gls::ShaderEvalContext & c,float s,float t,float r,float lod,IVec3 offset)290 inline Vec4 texture3DOffset (const gls::ShaderEvalContext& c, float s, float t, float r, float lod, IVec3 offset) { return c.textures[0].tex3D->sampleOffset(c.textures[0].sampler, s, t, r, lod, offset); }
291
texture2DShadowOffset(const gls::ShaderEvalContext & c,float ref,float s,float t,float lod,IVec2 offset)292 inline float texture2DShadowOffset (const gls::ShaderEvalContext& c, float ref, float s, float t, float lod, IVec2 offset) { return c.textures[0].tex2D->sampleCompareOffset(c.textures[0].sampler, ref, s, t, lod, offset); }
texture2DArrayShadowOffset(const gls::ShaderEvalContext & c,float ref,float s,float t,float r,float lod,IVec2 offset)293 inline float texture2DArrayShadowOffset (const gls::ShaderEvalContext& c, float ref, float s, float t, float r, float lod, IVec2 offset) { return c.textures[0].tex2DArray->sampleCompareOffset(c.textures[0].sampler, ref, s, t, r, lod, offset); }
294
295 // Eval functions.
evalTexture2D(gls::ShaderEvalContext & c,const TexLookupParams & p)296 static void evalTexture2D (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x(), c.in[0].y(), p.lod)*p.scale + p.bias; }
evalTextureCube(gls::ShaderEvalContext & c,const TexLookupParams & p)297 static void evalTextureCube (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod)*p.scale + p.bias; }
evalTexture2DArray(gls::ShaderEvalContext & c,const TexLookupParams & p)298 static void evalTexture2DArray (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod)*p.scale + p.bias; }
evalTexture3D(gls::ShaderEvalContext & c,const TexLookupParams & p)299 static void evalTexture3D (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod)*p.scale + p.bias; }
300
evalTexture2DBias(gls::ShaderEvalContext & c,const TexLookupParams & p)301 static void evalTexture2DBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x(), c.in[0].y(), p.lod+c.in[1].x())*p.scale + p.bias; }
evalTextureCubeBias(gls::ShaderEvalContext & c,const TexLookupParams & p)302 static void evalTextureCubeBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x())*p.scale + p.bias; }
evalTexture2DArrayBias(gls::ShaderEvalContext & c,const TexLookupParams & p)303 static void evalTexture2DArrayBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x())*p.scale + p.bias; }
evalTexture3DBias(gls::ShaderEvalContext & c,const TexLookupParams & p)304 static void evalTexture3DBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x())*p.scale + p.bias; }
305
evalTexture2DProj3(gls::ShaderEvalContext & c,const TexLookupParams & p)306 static void evalTexture2DProj3 (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), p.lod)*p.scale + p.bias; }
evalTexture2DProj3Bias(gls::ShaderEvalContext & c,const TexLookupParams & p)307 static void evalTexture2DProj3Bias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), p.lod+c.in[1].x())*p.scale + p.bias; }
evalTexture2DProj(gls::ShaderEvalContext & c,const TexLookupParams & p)308 static void evalTexture2DProj (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod)*p.scale + p.bias; }
evalTexture2DProjBias(gls::ShaderEvalContext & c,const TexLookupParams & p)309 static void evalTexture2DProjBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod+c.in[1].x())*p.scale + p.bias; }
evalTexture3DProj(gls::ShaderEvalContext & c,const TexLookupParams & p)310 static void evalTexture3DProj (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), p.lod)*p.scale + p.bias; }
evalTexture3DProjBias(gls::ShaderEvalContext & c,const TexLookupParams & p)311 static void evalTexture3DProjBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), p.lod+c.in[1].x())*p.scale + p.bias; }
312
evalTexture2DLod(gls::ShaderEvalContext & c,const TexLookupParams & p)313 static void evalTexture2DLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x(), c.in[0].y(), c.in[1].x())*p.scale + p.bias; }
evalTextureCubeLod(gls::ShaderEvalContext & c,const TexLookupParams & p)314 static void evalTextureCubeLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x())*p.scale + p.bias; }
evalTexture2DArrayLod(gls::ShaderEvalContext & c,const TexLookupParams & p)315 static void evalTexture2DArrayLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x())*p.scale + p.bias; }
evalTexture3DLod(gls::ShaderEvalContext & c,const TexLookupParams & p)316 static void evalTexture3DLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x())*p.scale + p.bias; }
317
evalTexture2DProjLod3(gls::ShaderEvalContext & c,const TexLookupParams & p)318 static void evalTexture2DProjLod3 (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), c.in[1].x())*p.scale + p.bias; }
evalTexture2DProjLod(gls::ShaderEvalContext & c,const TexLookupParams & p)319 static void evalTexture2DProjLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[1].x())*p.scale + p.bias; }
evalTexture3DProjLod(gls::ShaderEvalContext & c,const TexLookupParams & p)320 static void evalTexture3DProjLod (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), c.in[1].x())*p.scale + p.bias; }
321
322 // Offset variants
323
evalTexture2DOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)324 static void evalTexture2DOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), p.lod, p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DArrayOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)325 static void evalTexture2DArrayOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod, p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)326 static void evalTexture3DOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod, p.offset)*p.scale + p.bias; }
327
evalTexture2DOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)328 static void evalTexture2DOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), p.lod+c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DArrayOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)329 static void evalTexture2DArrayOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)330 static void evalTexture3DOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x(), p.offset)*p.scale + p.bias; }
331
evalTexture2DLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)332 static void evalTexture2DLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DArrayLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)333 static void evalTexture2DArrayLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)334 static void evalTexture3DLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x(), p.offset)*p.scale + p.bias; }
335
evalTexture2DProj3Offset(gls::ShaderEvalContext & c,const TexLookupParams & p)336 static void evalTexture2DProj3Offset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), p.lod, p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DProj3OffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)337 static void evalTexture2DProj3OffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), p.lod+c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DProjOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)338 static void evalTexture2DProjOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod, p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DProjOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)339 static void evalTexture2DProjOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod+c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DProjOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)340 static void evalTexture3DProjOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), p.lod, p.offset)*p.scale + p.bias; }
evalTexture3DProjOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)341 static void evalTexture3DProjOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), p.lod+c.in[1].x(), p.offset)*p.scale + p.bias; }
342
evalTexture2DProjLod3Offset(gls::ShaderEvalContext & c,const TexLookupParams & p)343 static void evalTexture2DProjLod3Offset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DProjLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)344 static void evalTexture2DProjLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[1].x(), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DProjLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)345 static void evalTexture3DProjLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), c.in[1].x(), p.offset)*p.scale + p.bias; }
346
347 // Shadow variants
348
evalTexture2DShadow(gls::ShaderEvalContext & c,const TexLookupParams & p)349 static void evalTexture2DShadow (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod); }
evalTexture2DShadowBias(gls::ShaderEvalContext & c,const TexLookupParams & p)350 static void evalTexture2DShadowBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod+c.in[1].x()); }
351
evalTextureCubeShadow(gls::ShaderEvalContext & c,const TexLookupParams & p)352 static void evalTextureCubeShadow (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod); }
evalTextureCubeShadowBias(gls::ShaderEvalContext & c,const TexLookupParams & p)353 static void evalTextureCubeShadowBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod+c.in[1].x()); }
354
evalTexture2DArrayShadow(gls::ShaderEvalContext & c,const TexLookupParams & p)355 static void evalTexture2DArrayShadow (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DArrayShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod); }
356
evalTexture2DShadowLod(gls::ShaderEvalContext & c,const TexLookupParams &)357 static void evalTexture2DShadowLod (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), c.in[1].x()); }
evalTexture2DShadowLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)358 static void evalTexture2DShadowLodOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), c.in[1].x(), p.offset.swizzle(0,1)); }
359
evalTexture2DShadowProj(gls::ShaderEvalContext & c,const TexLookupParams & p)360 static void evalTexture2DShadowProj (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadow(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod); }
evalTexture2DShadowProjBias(gls::ShaderEvalContext & c,const TexLookupParams & p)361 static void evalTexture2DShadowProjBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadow(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod+c.in[1].x()); }
362
evalTexture2DShadowProjLod(gls::ShaderEvalContext & c,const TexLookupParams &)363 static void evalTexture2DShadowProjLod (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = texture2DShadow(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[1].x()); }
evalTexture2DShadowProjLodOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)364 static void evalTexture2DShadowProjLodOffset(gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[1].x(), p.offset.swizzle(0,1)); }
365
evalTexture2DShadowOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)366 static void evalTexture2DShadowOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod, p.offset.swizzle(0,1)); }
evalTexture2DShadowOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)367 static void evalTexture2DShadowOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod+c.in[1].x(), p.offset.swizzle(0,1)); }
368
evalTexture2DShadowProjOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)369 static void evalTexture2DShadowProjOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod, p.offset.swizzle(0,1)); }
evalTexture2DShadowProjOffsetBias(gls::ShaderEvalContext & c,const TexLookupParams & p)370 static void evalTexture2DShadowProjOffsetBias (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), p.lod+c.in[1].x(), p.offset.swizzle(0,1)); }
371
372 // Gradient variarts
373
evalTexture2DGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)374 static void evalTexture2DGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c))*p.scale + p.bias; }
evalTextureCubeGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)375 static void evalTextureCubeGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGradCube(c))*p.scale + p.bias; }
evalTexture2DArrayGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)376 static void evalTexture2DArrayGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c))*p.scale + p.bias; }
evalTexture3DGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)377 static void evalTexture3DGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad3D(c))*p.scale + p.bias; }
378
evalTexture2DShadowGrad(gls::ShaderEvalContext & c,const TexLookupParams &)379 static void evalTexture2DShadowGrad (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c)); }
evalTextureCubeShadowGrad(gls::ShaderEvalContext & c,const TexLookupParams &)380 static void evalTextureCubeShadowGrad (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGradCube(c)); }
evalTexture2DArrayShadowGrad(gls::ShaderEvalContext & c,const TexLookupParams &)381 static void evalTexture2DArrayShadowGrad (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = texture2DArrayShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c)); }
382
evalTexture2DGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)383 static void evalTexture2DGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DArrayGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)384 static void evalTexture2DArrayGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)385 static void evalTexture3DGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad3D(c), p.offset)*p.scale + p.bias; }
386
evalTexture2DShadowGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)387 static void evalTexture2DShadowGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c), p.offset.swizzle(0,1)); }
evalTexture2DArrayShadowGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)388 static void evalTexture2DArrayShadowGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DArrayShadowOffset(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c), p.offset.swizzle(0,1)); }
389
evalTexture2DShadowProjGrad(gls::ShaderEvalContext & c,const TexLookupParams &)390 static void evalTexture2DShadowProjGrad (gls::ShaderEvalContext& c, const TexLookupParams&) { c.color.x() = texture2DShadow(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), computeLodFromGrad2D(c)); }
evalTexture2DShadowProjGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)391 static void evalTexture2DShadowProjGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color.x() = texture2DShadowOffset(c, c.in[0].z()/c.in[0].w(), c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), computeLodFromGrad2D(c), p.offset.swizzle(0,1)); }
392
evalTexture2DProjGrad3(gls::ShaderEvalContext & c,const TexLookupParams & p)393 static void evalTexture2DProjGrad3 (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), computeLodFromGrad2D(c))*p.scale + p.bias; }
evalTexture2DProjGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)394 static void evalTexture2DProjGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), computeLodFromGrad2D(c))*p.scale + p.bias; }
evalTexture3DProjGrad(gls::ShaderEvalContext & c,const TexLookupParams & p)395 static void evalTexture3DProjGrad (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3D(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), computeLodFromGrad3D(c))*p.scale + p.bias; }
396
evalTexture2DProjGrad3Offset(gls::ShaderEvalContext & c,const TexLookupParams & p)397 static void evalTexture2DProjGrad3Offset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].z(), c.in[0].y()/c.in[0].z(), computeLodFromGrad2D(c), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture2DProjGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)398 static void evalTexture2DProjGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture2DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), computeLodFromGrad2D(c), p.offset.swizzle(0,1))*p.scale + p.bias; }
evalTexture3DProjGradOffset(gls::ShaderEvalContext & c,const TexLookupParams & p)399 static void evalTexture3DProjGradOffset (gls::ShaderEvalContext& c, const TexLookupParams& p) { c.color = texture3DOffset(c, c.in[0].x()/c.in[0].w(), c.in[0].y()/c.in[0].w(), c.in[0].z()/c.in[0].w(), computeLodFromGrad3D(c), p.offset)*p.scale + p.bias; }
400
401 // Texel fetch variants
402
evalTexelFetch2D(gls::ShaderEvalContext & c,const TexLookupParams & p)403 static void evalTexelFetch2D (gls::ShaderEvalContext& c, const TexLookupParams& p)
404 {
405 int x = deChopFloatToInt32(c.in[0].x())+p.offset.x();
406 int y = deChopFloatToInt32(c.in[0].y())+p.offset.y();
407 int lod = deChopFloatToInt32(c.in[1].x());
408 c.color = c.textures[0].tex2D->getLevel(lod).getPixel(x, y)*p.scale + p.bias;
409 }
410
evalTexelFetch2DArray(gls::ShaderEvalContext & c,const TexLookupParams & p)411 static void evalTexelFetch2DArray (gls::ShaderEvalContext& c, const TexLookupParams& p)
412 {
413 int x = deChopFloatToInt32(c.in[0].x())+p.offset.x();
414 int y = deChopFloatToInt32(c.in[0].y())+p.offset.y();
415 int l = deChopFloatToInt32(c.in[0].z());
416 int lod = deChopFloatToInt32(c.in[1].x());
417 c.color = c.textures[0].tex2DArray->getLevel(lod).getPixel(x, y, l)*p.scale + p.bias;
418 }
419
evalTexelFetch3D(gls::ShaderEvalContext & c,const TexLookupParams & p)420 static void evalTexelFetch3D (gls::ShaderEvalContext& c, const TexLookupParams& p)
421 {
422 int x = deChopFloatToInt32(c.in[0].x())+p.offset.x();
423 int y = deChopFloatToInt32(c.in[0].y())+p.offset.y();
424 int z = deChopFloatToInt32(c.in[0].z())+p.offset.z();
425 int lod = deChopFloatToInt32(c.in[1].x());
426 c.color = c.textures[0].tex3D->getLevel(lod).getPixel(x, y, z)*p.scale + p.bias;
427 }
428
429 class TexLookupEvaluator : public gls::ShaderEvaluator
430 {
431 public:
TexLookupEvaluator(TexEvalFunc evalFunc,const TexLookupParams & lookupParams)432 TexLookupEvaluator (TexEvalFunc evalFunc, const TexLookupParams& lookupParams) : m_evalFunc(evalFunc), m_lookupParams(lookupParams) {}
433
evaluate(gls::ShaderEvalContext & ctx)434 virtual void evaluate (gls::ShaderEvalContext& ctx) { m_evalFunc(ctx, m_lookupParams); }
435
436 private:
437 TexEvalFunc m_evalFunc;
438 const TexLookupParams& m_lookupParams;
439 };
440
441 class ShaderTextureFunctionCase : public gls::ShaderRenderCase
442 {
443 public:
444 ShaderTextureFunctionCase (Context& context, const char* name, const char* desc, const TextureLookupSpec& lookup, const TextureSpec& texture, TexEvalFunc evalFunc, bool isVertexCase);
445 ~ShaderTextureFunctionCase (void);
446
447 void init (void);
448 void deinit (void);
449
450 protected:
451 void setupUniforms (int programID, const tcu::Vec4& constCoords);
452
453 private:
454 void initTexture (void);
455 void initShaderSources (void);
456
457 TextureLookupSpec m_lookupSpec;
458 TextureSpec m_textureSpec;
459
460 TexLookupParams m_lookupParams;
461 TexLookupEvaluator m_evaluator;
462
463 glu::Texture2D* m_texture2D;
464 glu::TextureCube* m_textureCube;
465 glu::Texture2DArray* m_texture2DArray;
466 glu::Texture3D* m_texture3D;
467 };
468
ShaderTextureFunctionCase(Context & context,const char * name,const char * desc,const TextureLookupSpec & lookup,const TextureSpec & texture,TexEvalFunc evalFunc,bool isVertexCase)469 ShaderTextureFunctionCase::ShaderTextureFunctionCase (Context& context, const char* name, const char* desc, const TextureLookupSpec& lookup, const TextureSpec& texture, TexEvalFunc evalFunc, bool isVertexCase)
470 : gls::ShaderRenderCase(context.getTestContext(), context.getRenderContext(), context.getContextInfo(), name, desc, isVertexCase, m_evaluator)
471 , m_lookupSpec (lookup)
472 , m_textureSpec (texture)
473 , m_evaluator (evalFunc, m_lookupParams)
474 , m_texture2D (DE_NULL)
475 , m_textureCube (DE_NULL)
476 , m_texture2DArray (DE_NULL)
477 , m_texture3D (DE_NULL)
478 {
479 }
480
~ShaderTextureFunctionCase(void)481 ShaderTextureFunctionCase::~ShaderTextureFunctionCase (void)
482 {
483 delete m_texture2D;
484 delete m_textureCube;
485 delete m_texture2DArray;
486 delete m_texture3D;
487 }
488
init(void)489 void ShaderTextureFunctionCase::init (void)
490 {
491 {
492 // Base coord scale & bias
493 Vec4 s = m_lookupSpec.maxCoord-m_lookupSpec.minCoord;
494 Vec4 b = m_lookupSpec.minCoord;
495
496 float baseCoordTrans[] =
497 {
498 s.x(), 0.0f, 0.f, b.x(),
499 0.f, s.y(), 0.f, b.y(),
500 s.z()/2.f, -s.z()/2.f, 0.f, s.z()/2.f + b.z(),
501 -s.w()/2.f, s.w()/2.f, 0.f, s.w()/2.f + b.w()
502 };
503
504 m_userAttribTransforms.push_back(tcu::Mat4(baseCoordTrans));
505 }
506
507 bool hasLodBias = functionHasLod(m_lookupSpec.function) || m_lookupSpec.useBias;
508 bool isGrad = functionHasGrad(m_lookupSpec.function);
509 DE_ASSERT(!isGrad || !hasLodBias);
510
511 if (hasLodBias)
512 {
513 float s = m_lookupSpec.maxLodBias-m_lookupSpec.minLodBias;
514 float b = m_lookupSpec.minLodBias;
515 float lodCoordTrans[] =
516 {
517 s/2.0f, s/2.0f, 0.f, b,
518 0.0f, 0.0f, 0.0f, 0.0f,
519 0.0f, 0.0f, 0.0f, 0.0f,
520 0.0f, 0.0f, 0.0f, 0.0f
521 };
522
523 m_userAttribTransforms.push_back(tcu::Mat4(lodCoordTrans));
524 }
525 else if (isGrad)
526 {
527 Vec3 sx = m_lookupSpec.maxDX-m_lookupSpec.minDX;
528 Vec3 sy = m_lookupSpec.maxDY-m_lookupSpec.minDY;
529 float gradDxTrans[] =
530 {
531 sx.x()/2.0f, sx.x()/2.0f, 0.f, m_lookupSpec.minDX.x(),
532 sx.y()/2.0f, sx.y()/2.0f, 0.0f, m_lookupSpec.minDX.y(),
533 sx.z()/2.0f, sx.z()/2.0f, 0.0f, m_lookupSpec.minDX.z(),
534 0.0f, 0.0f, 0.0f, 0.0f
535 };
536 float gradDyTrans[] =
537 {
538 -sy.x()/2.0f, -sy.x()/2.0f, 0.f, m_lookupSpec.maxDY.x(),
539 -sy.y()/2.0f, -sy.y()/2.0f, 0.0f, m_lookupSpec.maxDY.y(),
540 -sy.z()/2.0f, -sy.z()/2.0f, 0.0f, m_lookupSpec.maxDY.z(),
541 0.0f, 0.0f, 0.0f, 0.0f
542 };
543
544 m_userAttribTransforms.push_back(tcu::Mat4(gradDxTrans));
545 m_userAttribTransforms.push_back(tcu::Mat4(gradDyTrans));
546 }
547
548 initShaderSources();
549 initTexture();
550
551 gls::ShaderRenderCase::init();
552 }
553
initTexture(void)554 void ShaderTextureFunctionCase::initTexture (void)
555 {
556 static const IVec4 texCubeSwz[] =
557 {
558 IVec4(0,0,1,1),
559 IVec4(1,1,0,0),
560 IVec4(0,1,0,1),
561 IVec4(1,0,1,0),
562 IVec4(0,1,1,0),
563 IVec4(1,0,0,1)
564 };
565 DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(texCubeSwz) == tcu::CUBEFACE_LAST);
566
567 tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_textureSpec.format);
568 tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
569 tcu::IVec2 viewportSize = getViewportSize();
570 bool isProj = functionHasProj(m_lookupSpec.function);
571 bool isAutoLod = functionHasAutoLod(m_isVertexCase ? glu::SHADERTYPE_VERTEX : glu::SHADERTYPE_FRAGMENT,
572 m_lookupSpec.function); // LOD can vary significantly
573 float proj = isProj ? 1.0f/m_lookupSpec.minCoord[m_lookupSpec.function == FUNCTION_TEXTUREPROJ3 ? 2 : 3] : 1.0f;
574
575 switch (m_textureSpec.type)
576 {
577 case TEXTURETYPE_2D:
578 {
579 float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels-1);
580 Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
581 Vec4 cBias = fmtInfo.valueMin;
582 int baseCellSize = de::min(m_textureSpec.width/4, m_textureSpec.height/4);
583
584 m_texture2D = new glu::Texture2D(m_renderCtx, m_textureSpec.format, m_textureSpec.width, m_textureSpec.height);
585 for (int level = 0; level < m_textureSpec.numLevels; level++)
586 {
587 float fA = float(level)*levelStep;
588 float fB = 1.0f-fA;
589 Vec4 colorA = cBias + cScale*Vec4(fA, fB, fA, fB);
590 Vec4 colorB = cBias + cScale*Vec4(fB, fA, fB, fA);
591
592 m_texture2D->getRefTexture().allocLevel(level);
593 tcu::fillWithGrid(m_texture2D->getRefTexture().getLevel(level), de::max(1, baseCellSize>>level), colorA, colorB);
594 }
595 m_texture2D->upload();
596
597 // Compute LOD.
598 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
599 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
600 m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
601
602 // Append to texture list.
603 m_textures.push_back(gls::TextureBinding(m_texture2D, m_textureSpec.sampler));
604 break;
605 }
606
607 case TEXTURETYPE_CUBE_MAP:
608 {
609 float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels-1);
610 Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
611 Vec4 cBias = fmtInfo.valueMin;
612 Vec4 cCorner = cBias + cScale*0.5f;
613 int baseCellSize = de::min(m_textureSpec.width/4, m_textureSpec.height/4);
614
615 DE_ASSERT(m_textureSpec.width == m_textureSpec.height);
616 m_textureCube = new glu::TextureCube(m_renderCtx, m_textureSpec.format, m_textureSpec.width);
617 for (int level = 0; level < m_textureSpec.numLevels; level++)
618 {
619 float fA = float(level)*levelStep;
620 float fB = 1.0f-fA;
621 Vec2 f (fA, fB);
622
623 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
624 {
625 const IVec4& swzA = texCubeSwz[face];
626 IVec4 swzB = 1-swzA;
627 Vec4 colorA = cBias + cScale*f.swizzle(swzA[0], swzA[1], swzA[2], swzA[3]);
628 Vec4 colorB = cBias + cScale*f.swizzle(swzB[0], swzB[1], swzB[2], swzB[3]);
629
630 m_textureCube->getRefTexture().allocLevel((tcu::CubeFace)face, level);
631
632 {
633 const tcu::PixelBufferAccess access = m_textureCube->getRefTexture().getLevelFace(level, (tcu::CubeFace)face);
634 const int lastPix = access.getWidth()-1;
635
636 tcu::fillWithGrid(access, de::max(1, baseCellSize>>level), colorA, colorB);
637
638 // Ensure all corners have identical colors in order to avoid dealing with ambiguous corner texel filtering
639 access.setPixel(cCorner, 0, 0);
640 access.setPixel(cCorner, 0, lastPix);
641 access.setPixel(cCorner, lastPix, 0);
642 access.setPixel(cCorner, lastPix, lastPix);
643 }
644 }
645 }
646 m_textureCube->upload();
647
648 // Compute LOD \note Assumes that only single side is accessed and R is constant major axis.
649 DE_ASSERT(de::abs(m_lookupSpec.minCoord[2] - m_lookupSpec.maxCoord[2]) < 0.005);
650 DE_ASSERT(de::abs(m_lookupSpec.minCoord[0]) < de::abs(m_lookupSpec.minCoord[2]) && de::abs(m_lookupSpec.maxCoord[0]) < de::abs(m_lookupSpec.minCoord[2]));
651 DE_ASSERT(de::abs(m_lookupSpec.minCoord[1]) < de::abs(m_lookupSpec.minCoord[2]) && de::abs(m_lookupSpec.maxCoord[1]) < de::abs(m_lookupSpec.minCoord[2]));
652
653 tcu::CubeFaceFloatCoords c00 = tcu::getCubeFaceCoords(Vec3(m_lookupSpec.minCoord[0]*proj, m_lookupSpec.minCoord[1]*proj, m_lookupSpec.minCoord[2]*proj));
654 tcu::CubeFaceFloatCoords c10 = tcu::getCubeFaceCoords(Vec3(m_lookupSpec.maxCoord[0]*proj, m_lookupSpec.minCoord[1]*proj, m_lookupSpec.minCoord[2]*proj));
655 tcu::CubeFaceFloatCoords c01 = tcu::getCubeFaceCoords(Vec3(m_lookupSpec.minCoord[0]*proj, m_lookupSpec.maxCoord[1]*proj, m_lookupSpec.minCoord[2]*proj));
656 float dudx = (c10.s - c00.s)*(float)m_textureSpec.width / (float)viewportSize[0];
657 float dvdy = (c01.t - c00.t)*(float)m_textureSpec.height / (float)viewportSize[1];
658
659 m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
660
661 m_textures.push_back(gls::TextureBinding(m_textureCube, m_textureSpec.sampler));
662 break;
663 }
664
665 case TEXTURETYPE_2D_ARRAY:
666 {
667 float layerStep = 1.0f / (float)m_textureSpec.depth;
668 float levelStep = isAutoLod ? 0.0f : 1.0f / (float)(de::max(1, m_textureSpec.numLevels-1)*m_textureSpec.depth);
669 Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
670 Vec4 cBias = fmtInfo.valueMin;
671 int baseCellSize = de::min(m_textureSpec.width/4, m_textureSpec.height/4);
672
673 m_texture2DArray = new glu::Texture2DArray(m_renderCtx, m_textureSpec.format, m_textureSpec.width, m_textureSpec.height, m_textureSpec.depth);
674 for (int level = 0; level < m_textureSpec.numLevels; level++)
675 {
676 m_texture2DArray->getRefTexture().allocLevel(level);
677 tcu::PixelBufferAccess levelAccess = m_texture2DArray->getRefTexture().getLevel(level);
678
679 for (int layer = 0; layer < levelAccess.getDepth(); layer++)
680 {
681 float fA = (float)layer*layerStep + (float)level*levelStep;
682 float fB = 1.0f-fA;
683 Vec4 colorA = cBias + cScale*Vec4(fA, fB, fA, fB);
684 Vec4 colorB = cBias + cScale*Vec4(fB, fA, fB, fA);
685
686 tcu::fillWithGrid(tcu::getSubregion(levelAccess, 0, 0, layer, levelAccess.getWidth(), levelAccess.getHeight(), 1), de::max(1, baseCellSize>>level), colorA, colorB);
687 }
688 }
689 m_texture2DArray->upload();
690
691 // Compute LOD.
692 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
693 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
694 m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
695
696 // Append to texture list.
697 m_textures.push_back(gls::TextureBinding(m_texture2DArray, m_textureSpec.sampler));
698 break;
699 }
700
701 case TEXTURETYPE_3D:
702 {
703 float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels-1);
704 Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
705 Vec4 cBias = fmtInfo.valueMin;
706 int baseCellSize = de::min(de::min(m_textureSpec.width/2, m_textureSpec.height/2), m_textureSpec.depth/2);
707
708 m_texture3D = new glu::Texture3D(m_renderCtx, m_textureSpec.format, m_textureSpec.width, m_textureSpec.height, m_textureSpec.depth);
709 for (int level = 0; level < m_textureSpec.numLevels; level++)
710 {
711 float fA = (float)level*levelStep;
712 float fB = 1.0f-fA;
713 Vec4 colorA = cBias + cScale*Vec4(fA, fB, fA, fB);
714 Vec4 colorB = cBias + cScale*Vec4(fB, fA, fB, fA);
715
716 m_texture3D->getRefTexture().allocLevel(level);
717 tcu::fillWithGrid(m_texture3D->getRefTexture().getLevel(level), de::max(1, baseCellSize>>level), colorA, colorB);
718 }
719 m_texture3D->upload();
720
721 // Compute LOD.
722 float dudx = (m_lookupSpec.maxCoord[0]-m_lookupSpec.minCoord[0])*proj*(float)m_textureSpec.width / (float)viewportSize[0];
723 float dvdy = (m_lookupSpec.maxCoord[1]-m_lookupSpec.minCoord[1])*proj*(float)m_textureSpec.height / (float)viewportSize[1];
724 float dwdx = (m_lookupSpec.maxCoord[2]-m_lookupSpec.minCoord[2])*0.5f*proj*(float)m_textureSpec.depth / (float)viewportSize[0];
725 float dwdy = (m_lookupSpec.maxCoord[2]-m_lookupSpec.minCoord[2])*0.5f*proj*(float)m_textureSpec.depth / (float)viewportSize[1];
726 m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy);
727
728 // Append to texture list.
729 m_textures.push_back(gls::TextureBinding(m_texture3D, m_textureSpec.sampler));
730 break;
731 }
732
733 default:
734 DE_ASSERT(DE_FALSE);
735 }
736
737 // Set lookup scale & bias
738 m_lookupParams.scale = fmtInfo.lookupScale;
739 m_lookupParams.bias = fmtInfo.lookupBias;
740 m_lookupParams.offset = m_lookupSpec.offset;
741 }
742
initShaderSources(void)743 void ShaderTextureFunctionCase::initShaderSources (void)
744 {
745 Function function = m_lookupSpec.function;
746 bool isVtxCase = m_isVertexCase;
747 bool isProj = functionHasProj(function);
748 bool isGrad = functionHasGrad(function);
749 bool isShadow = m_textureSpec.sampler.compare != tcu::Sampler::COMPAREMODE_NONE;
750 bool is2DProj4 = !isShadow && m_textureSpec.type == TEXTURETYPE_2D && (function == FUNCTION_TEXTUREPROJ || function == FUNCTION_TEXTUREPROJLOD || function == FUNCTION_TEXTUREPROJGRAD);
751 bool isIntCoord = function == FUNCTION_TEXELFETCH;
752 bool hasLodBias = functionHasLod(m_lookupSpec.function) || m_lookupSpec.useBias;
753 int texCoordComps = m_textureSpec.type == TEXTURETYPE_2D ? 2 : 3;
754 int extraCoordComps = (isProj ? (is2DProj4 ? 2 : 1) : 0) + (isShadow ? 1 : 0);
755 glu::DataType coordType = glu::getDataTypeFloatVec(texCoordComps+extraCoordComps);
756 glu::Precision coordPrec = glu::PRECISION_HIGHP;
757 const char* coordTypeName = glu::getDataTypeName(coordType);
758 const char* coordPrecName = glu::getPrecisionName(coordPrec);
759 tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_textureSpec.format);
760 glu::DataType samplerType = glu::TYPE_LAST;
761 glu::DataType gradType = (m_textureSpec.type == TEXTURETYPE_CUBE_MAP || m_textureSpec.type == TEXTURETYPE_3D) ? glu::TYPE_FLOAT_VEC3 : glu::TYPE_FLOAT_VEC2;
762 const char* gradTypeName = glu::getDataTypeName(gradType);
763 const char* baseFuncName = DE_NULL;
764
765 DE_ASSERT(!isGrad || !hasLodBias);
766
767 switch (m_textureSpec.type)
768 {
769 case TEXTURETYPE_2D: samplerType = isShadow ? glu::TYPE_SAMPLER_2D_SHADOW : glu::getSampler2DType(texFmt); break;
770 case TEXTURETYPE_CUBE_MAP: samplerType = isShadow ? glu::TYPE_SAMPLER_CUBE_SHADOW : glu::getSamplerCubeType(texFmt); break;
771 case TEXTURETYPE_2D_ARRAY: samplerType = isShadow ? glu::TYPE_SAMPLER_2D_ARRAY_SHADOW : glu::getSampler2DArrayType(texFmt); break;
772 case TEXTURETYPE_3D: DE_ASSERT(!isShadow); samplerType = glu::getSampler3DType(texFmt); break;
773 default:
774 DE_ASSERT(DE_FALSE);
775 }
776
777 switch (m_lookupSpec.function)
778 {
779 case FUNCTION_TEXTURE: baseFuncName = "texture"; break;
780 case FUNCTION_TEXTUREPROJ: baseFuncName = "textureProj"; break;
781 case FUNCTION_TEXTUREPROJ3: baseFuncName = "textureProj"; break;
782 case FUNCTION_TEXTURELOD: baseFuncName = "textureLod"; break;
783 case FUNCTION_TEXTUREPROJLOD: baseFuncName = "textureProjLod"; break;
784 case FUNCTION_TEXTUREPROJLOD3: baseFuncName = "textureProjLod"; break;
785 case FUNCTION_TEXTUREGRAD: baseFuncName = "textureGrad"; break;
786 case FUNCTION_TEXTUREPROJGRAD: baseFuncName = "textureProjGrad"; break;
787 case FUNCTION_TEXTUREPROJGRAD3: baseFuncName = "textureProjGrad"; break;
788 case FUNCTION_TEXELFETCH: baseFuncName = "texelFetch"; break;
789 default:
790 DE_ASSERT(DE_FALSE);
791 }
792
793 std::ostringstream vert;
794 std::ostringstream frag;
795 std::ostringstream& op = isVtxCase ? vert : frag;
796
797 vert << "#version 300 es\n"
798 << "in highp vec4 a_position;\n"
799 << "in " << coordPrecName << " " << coordTypeName << " a_in0;\n";
800
801 if (isGrad)
802 {
803 vert << "in " << coordPrecName << " " << gradTypeName << " a_in1;\n";
804 vert << "in " << coordPrecName << " " << gradTypeName << " a_in2;\n";
805 }
806 else if (hasLodBias)
807 vert << "in " << coordPrecName << " float a_in1;\n";
808
809 frag << "#version 300 es\n"
810 << "layout(location = 0) out mediump vec4 o_color;\n";
811
812 if (isVtxCase)
813 {
814 vert << "out mediump vec4 v_color;\n";
815 frag << "in mediump vec4 v_color;\n";
816 }
817 else
818 {
819 vert << "out " << coordPrecName << " " << coordTypeName << " v_texCoord;\n";
820 frag << "in " << coordPrecName << " " << coordTypeName << " v_texCoord;\n";
821
822 if (isGrad)
823 {
824 vert << "out " << coordPrecName << " " << gradTypeName << " v_gradX;\n";
825 vert << "out " << coordPrecName << " " << gradTypeName << " v_gradY;\n";
826 frag << "in " << coordPrecName << " " << gradTypeName << " v_gradX;\n";
827 frag << "in " << coordPrecName << " " << gradTypeName << " v_gradY;\n";
828 }
829
830 if (hasLodBias)
831 {
832 vert << "out " << coordPrecName << " float v_lodBias;\n";
833 frag << "in " << coordPrecName << " float v_lodBias;\n";
834 }
835 }
836
837 // Uniforms
838 op << "uniform highp " << glu::getDataTypeName(samplerType) << " u_sampler;\n"
839 << "uniform highp vec4 u_scale;\n"
840 << "uniform highp vec4 u_bias;\n";
841
842 vert << "\nvoid main()\n{\n"
843 << "\tgl_Position = a_position;\n";
844 frag << "\nvoid main()\n{\n";
845
846 if (isVtxCase)
847 vert << "\tv_color = ";
848 else
849 frag << "\to_color = ";
850
851 // Op.
852 {
853 const char* texCoord = isVtxCase ? "a_in0" : "v_texCoord";
854 const char* gradX = isVtxCase ? "a_in1" : "v_gradX";
855 const char* gradY = isVtxCase ? "a_in2" : "v_gradY";
856 const char* lodBias = isVtxCase ? "a_in1" : "v_lodBias";
857
858 op << "vec4(" << baseFuncName;
859 if (m_lookupSpec.useOffset)
860 op << "Offset";
861 op << "(u_sampler, ";
862
863 if (isIntCoord)
864 op << "ivec" << (texCoordComps+extraCoordComps) << "(";
865
866 op << texCoord;
867
868 if (isIntCoord)
869 op << ")";
870
871 if (isGrad)
872 op << ", " << gradX << ", " << gradY;
873
874 if (functionHasLod(function))
875 {
876 if (isIntCoord)
877 op << ", int(" << lodBias << ")";
878 else
879 op << ", " << lodBias;
880 }
881
882 if (m_lookupSpec.useOffset)
883 {
884 int offsetComps = m_textureSpec.type == TEXTURETYPE_3D ? 3 : 2;
885
886 op << ", ivec" << offsetComps << "(";
887 for (int ndx = 0; ndx < offsetComps; ndx++)
888 {
889 if (ndx != 0)
890 op << ", ";
891 op << m_lookupSpec.offset[ndx];
892 }
893 op << ")";
894 }
895
896 if (m_lookupSpec.useBias)
897 op << ", " << lodBias;
898
899 op << ")";
900
901 if (isShadow)
902 op << ", 0.0, 0.0, 1.0)";
903 else
904 op << ")*u_scale + u_bias";
905
906 op << ";\n";
907 }
908
909 if (isVtxCase)
910 frag << "\to_color = v_color;\n";
911 else
912 {
913 vert << "\tv_texCoord = a_in0;\n";
914
915 if (isGrad)
916 {
917 vert << "\tv_gradX = a_in1;\n";
918 vert << "\tv_gradY = a_in2;\n";
919 }
920 else if (hasLodBias)
921 vert << "\tv_lodBias = a_in1;\n";
922 }
923
924 vert << "}\n";
925 frag << "}\n";
926
927 m_vertShaderSource = vert.str();
928 m_fragShaderSource = frag.str();
929 }
930
deinit(void)931 void ShaderTextureFunctionCase::deinit (void)
932 {
933 gls::ShaderRenderCase::deinit();
934
935 delete m_texture2D;
936 delete m_textureCube;
937 delete m_texture2DArray;
938 delete m_texture3D;
939
940 m_texture2D = DE_NULL;
941 m_textureCube = DE_NULL;
942 m_texture2DArray = DE_NULL;
943 m_texture3D = DE_NULL;
944 }
945
setupUniforms(int programID,const tcu::Vec4 &)946 void ShaderTextureFunctionCase::setupUniforms (int programID, const tcu::Vec4&)
947 {
948 const glw::Functions& gl = m_renderCtx.getFunctions();
949 gl.uniform1i(gl.getUniformLocation(programID, "u_sampler"), 0);
950 gl.uniform4fv(gl.getUniformLocation(programID, "u_scale"), 1, m_lookupParams.scale.getPtr());
951 gl.uniform4fv(gl.getUniformLocation(programID, "u_bias"), 1, m_lookupParams.bias.getPtr());
952 }
953
954 class TextureSizeCase : public TestCase
955 {
956 public:
957 TextureSizeCase (Context& context, const char* name, const char* desc, const char* samplerType, const TextureSpec& texture, bool isVertexCase);
958 ~TextureSizeCase (void);
959
960 void deinit (void);
961 IterateResult iterate (void);
962
963 private:
964 struct TestSize
965 {
966 tcu::IVec3 textureSize;
967 int lod;
968 int lodBase;
969 tcu::IVec3 expectedSize;
970 };
971
972 bool initShader (void);
973 void freeShader (void);
974 bool testTextureSize (const TestSize&);
975 std::string genVertexShader (void) const;
976 std::string genFragmentShader (void) const;
977 glw::GLenum getGLTextureTarget (void) const;
978
979 const char* m_samplerTypeStr;
980 const TextureSpec m_textureSpec;
981 const bool m_isVertexCase;
982 const bool m_has3DSize;
983 glu::ShaderProgram* m_program;
984 int m_iterationCounter;
985 };
986
TextureSizeCase(Context & context,const char * name,const char * desc,const char * samplerType,const TextureSpec & texture,bool isVertexCase)987 TextureSizeCase::TextureSizeCase (Context& context, const char* name, const char* desc, const char* samplerType, const TextureSpec& texture, bool isVertexCase)
988 : TestCase (context, name, desc)
989 , m_samplerTypeStr (samplerType)
990 , m_textureSpec (texture)
991 , m_isVertexCase (isVertexCase)
992 , m_has3DSize (texture.type == TEXTURETYPE_3D || texture.type == TEXTURETYPE_2D_ARRAY)
993 , m_program (DE_NULL)
994 , m_iterationCounter(0)
995 {
996 }
997
~TextureSizeCase(void)998 TextureSizeCase::~TextureSizeCase (void)
999 {
1000 deinit();
1001 }
1002
deinit(void)1003 void TextureSizeCase::deinit (void)
1004 {
1005 freeShader();
1006 }
1007
iterate(void)1008 TestCase::IterateResult TextureSizeCase::iterate (void)
1009 {
1010 const int currentIteration = m_iterationCounter++;
1011 const TestSize testSizes[] =
1012 {
1013 { tcu::IVec3(1, 2, 1), 1, 0, tcu::IVec3(1, 1, 1) },
1014 { tcu::IVec3(1, 2, 1), 0, 0, tcu::IVec3(1, 2, 1) },
1015
1016 { tcu::IVec3(1, 3, 2), 0, 0, tcu::IVec3(1, 3, 2) },
1017 { tcu::IVec3(1, 3, 2), 1, 0, tcu::IVec3(1, 1, 1) },
1018
1019 { tcu::IVec3(100, 31, 18), 0, 0, tcu::IVec3(100, 31, 18) },
1020 { tcu::IVec3(100, 31, 18), 1, 0, tcu::IVec3(50, 15, 9) },
1021 { tcu::IVec3(100, 31, 18), 2, 0, tcu::IVec3(25, 7, 4) },
1022 { tcu::IVec3(100, 31, 18), 3, 0, tcu::IVec3(12, 3, 2) },
1023 { tcu::IVec3(100, 31, 18), 4, 0, tcu::IVec3(6, 1, 1) },
1024 { tcu::IVec3(100, 31, 18), 5, 0, tcu::IVec3(3, 1, 1) },
1025 { tcu::IVec3(100, 31, 18), 6, 0, tcu::IVec3(1, 1, 1) },
1026
1027 { tcu::IVec3(100, 128, 32), 0, 0, tcu::IVec3(100, 128, 32) },
1028 { tcu::IVec3(100, 128, 32), 1, 0, tcu::IVec3(50, 64, 16) },
1029 { tcu::IVec3(100, 128, 32), 2, 0, tcu::IVec3(25, 32, 8) },
1030 { tcu::IVec3(100, 128, 32), 3, 0, tcu::IVec3(12, 16, 4) },
1031 { tcu::IVec3(100, 128, 32), 4, 0, tcu::IVec3(6, 8, 2) },
1032 { tcu::IVec3(100, 128, 32), 5, 0, tcu::IVec3(3, 4, 1) },
1033 { tcu::IVec3(100, 128, 32), 6, 0, tcu::IVec3(1, 2, 1) },
1034 { tcu::IVec3(100, 128, 32), 7, 0, tcu::IVec3(1, 1, 1) },
1035
1036 // pow 2
1037 { tcu::IVec3(128, 64, 32), 0, 0, tcu::IVec3(128, 64, 32) },
1038 { tcu::IVec3(128, 64, 32), 1, 0, tcu::IVec3(64, 32, 16) },
1039 { tcu::IVec3(128, 64, 32), 2, 0, tcu::IVec3(32, 16, 8) },
1040 { tcu::IVec3(128, 64, 32), 3, 0, tcu::IVec3(16, 8, 4) },
1041 { tcu::IVec3(128, 64, 32), 4, 0, tcu::IVec3(8, 4, 2) },
1042 { tcu::IVec3(128, 64, 32), 5, 0, tcu::IVec3(4, 2, 1) },
1043 { tcu::IVec3(128, 64, 32), 6, 0, tcu::IVec3(2, 1, 1) },
1044 { tcu::IVec3(128, 64, 32), 7, 0, tcu::IVec3(1, 1, 1) },
1045
1046 // w == h
1047 { tcu::IVec3(1, 1, 1), 0, 0, tcu::IVec3(1, 1, 1) },
1048 { tcu::IVec3(64, 64, 64), 0, 0, tcu::IVec3(64, 64, 64) },
1049 { tcu::IVec3(64, 64, 64), 1, 0, tcu::IVec3(32, 32, 32) },
1050 { tcu::IVec3(64, 64, 64), 2, 0, tcu::IVec3(16, 16, 16) },
1051 { tcu::IVec3(64, 64, 64), 3, 0, tcu::IVec3(8, 8, 8) },
1052 { tcu::IVec3(64, 64, 64), 4, 0, tcu::IVec3(4, 4, 4) },
1053
1054 // with lod base
1055 { tcu::IVec3(100, 31, 18), 3, 1, tcu::IVec3(6, 1, 1) },
1056 { tcu::IVec3(128, 64, 32), 3, 1, tcu::IVec3(8, 4, 2) },
1057 { tcu::IVec3(64, 64, 64), 1, 1, tcu::IVec3(16, 16, 16) },
1058
1059 };
1060 const int lastIterationIndex = DE_LENGTH_OF_ARRAY(testSizes) + 1;
1061
1062 if (currentIteration == 0)
1063 {
1064 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1065 return initShader() ? CONTINUE : STOP;
1066 }
1067 else if (currentIteration == lastIterationIndex)
1068 {
1069 freeShader();
1070 return STOP;
1071 }
1072 else
1073 {
1074 if (!testTextureSize(testSizes[currentIteration - 1]))
1075 if (m_testCtx.getTestResult() != QP_TEST_RESULT_FAIL)
1076 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got unexpected texture size");
1077 return CONTINUE;
1078 }
1079 }
1080
initShader(void)1081 bool TextureSizeCase::initShader (void)
1082 {
1083 const std::string vertSrc = genVertexShader();
1084 const std::string fragSrc = genFragmentShader();
1085
1086 DE_ASSERT(m_program == DE_NULL);
1087 m_program = new glu::ShaderProgram(m_context.getRenderContext(), glu::makeVtxFragSources(vertSrc, fragSrc));
1088 m_context.getTestContext().getLog() << *m_program;
1089
1090 if (!m_program->isOk())
1091 {
1092 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Shader failed");
1093 return false;
1094 }
1095
1096 return true;
1097 }
1098
freeShader(void)1099 void TextureSizeCase::freeShader (void)
1100 {
1101 delete m_program;
1102 m_program = DE_NULL;
1103 }
1104
testTextureSize(const TestSize & testSize)1105 bool TextureSizeCase::testTextureSize (const TestSize& testSize)
1106 {
1107 using tcu::TestLog;
1108
1109 const tcu::Vec4 triangle[3] = // covers entire viewport
1110 {
1111 tcu::Vec4(-1, -1, 0, 1),
1112 tcu::Vec4( 4, -1, 0, 1),
1113 tcu::Vec4(-1, 4, 0, 1),
1114 };
1115
1116 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1117
1118 const glw::GLint positionLoc = gl.getAttribLocation (m_program->getProgram(), "a_position");
1119 const glw::GLint samplerLoc = gl.getUniformLocation (m_program->getProgram(), "u_sampler");
1120 const glw::GLint sizeLoc = gl.getUniformLocation (m_program->getProgram(), "u_texSize");
1121 const glw::GLint lodLoc = gl.getUniformLocation (m_program->getProgram(), "u_lod");
1122 const glw::GLenum textureTarget = getGLTextureTarget ();
1123 const bool isSquare = testSize.textureSize.x() == testSize.textureSize.y();
1124 const bool is2DLodValid = (testSize.textureSize.x() >> (testSize.lod + testSize.lodBase)) != 0 || (testSize.textureSize.y() >> (testSize.lod + testSize.lodBase)) != 0;
1125 bool success = true;
1126 glw::GLenum errorValue;
1127
1128 // Skip incompatible cases
1129 if (m_textureSpec.type == TEXTURETYPE_CUBE_MAP && !isSquare)
1130 return true;
1131 if (m_textureSpec.type == TEXTURETYPE_2D && !is2DLodValid)
1132 return true;
1133 if (m_textureSpec.type == TEXTURETYPE_2D_ARRAY && !is2DLodValid)
1134 return true;
1135
1136 // setup rendering
1137
1138 gl.useProgram (m_program->getProgram());
1139 gl.uniform1i (samplerLoc, 0);
1140 gl.clearColor (0.5f, 0.5f, 0.5f, 1.0f);
1141 gl.viewport (0, 0, 1, 1);
1142 gl.vertexAttribPointer (positionLoc, 4, GL_FLOAT, GL_FALSE, 0, triangle);
1143 gl.enableVertexAttribArray (positionLoc);
1144
1145 // setup texture
1146 {
1147 const int maxLevel = testSize.lod + testSize.lodBase;
1148 const int levels = maxLevel + 1;
1149 glw::GLuint texId = 0;
1150
1151 // gen texture
1152 gl.genTextures(1, &texId);
1153 gl.bindTexture(textureTarget, texId);
1154 gl.texParameteri(textureTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
1155 gl.texParameteri(textureTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
1156 gl.texParameteri(textureTarget, GL_TEXTURE_BASE_LEVEL, testSize.lodBase);
1157
1158 // set up texture
1159
1160 switch (m_textureSpec.type)
1161 {
1162 case TEXTURETYPE_3D:
1163 {
1164 m_context.getTestContext().getLog() << TestLog::Message << "Testing image size " << testSize.textureSize.x() << "x" << testSize.textureSize.y() << "x" << testSize.textureSize.z() << TestLog::EndMessage;
1165 m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod << ", base level: " << testSize.lodBase << TestLog::EndMessage;
1166 m_context.getTestContext().getLog() << TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x" << testSize.expectedSize.y() << "x" << testSize.expectedSize.z() << TestLog::EndMessage;
1167
1168 gl.uniform3iv(sizeLoc, 1, testSize.expectedSize.m_data);
1169 gl.uniform1iv(lodLoc, 1, &testSize.lod);
1170
1171 gl.texStorage3D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(), testSize.textureSize.y(), testSize.textureSize.z());
1172 break;
1173 }
1174
1175 case TEXTURETYPE_2D:
1176 case TEXTURETYPE_CUBE_MAP:
1177 {
1178 m_context.getTestContext().getLog() << TestLog::Message << "Testing image size " << testSize.textureSize.x() << "x" << testSize.textureSize.y() << TestLog::EndMessage;
1179 m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod << ", base level: " << testSize.lodBase << TestLog::EndMessage;
1180 m_context.getTestContext().getLog() << TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x" << testSize.expectedSize.y() << TestLog::EndMessage;
1181
1182 gl.uniform2iv(sizeLoc, 1, testSize.expectedSize.m_data);
1183 gl.uniform1iv(lodLoc, 1, &testSize.lod);
1184
1185 gl.texStorage2D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(), testSize.textureSize.y());
1186 break;
1187 }
1188
1189 case TEXTURETYPE_2D_ARRAY:
1190 {
1191 tcu::IVec3 expectedSize(testSize.expectedSize.x(), testSize.expectedSize.y(), testSize.textureSize.z());
1192
1193 m_context.getTestContext().getLog() << TestLog::Message << "Testing image size " << testSize.textureSize.x() << "x" << testSize.textureSize.y() << " with " << testSize.textureSize.z() << " layer(s)" << TestLog::EndMessage;
1194 m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod << ", base level: " << testSize.lodBase << TestLog::EndMessage;
1195 m_context.getTestContext().getLog() << TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x" << testSize.expectedSize.y() << " and " << testSize.textureSize.z() << " layer(s)" << TestLog::EndMessage;
1196
1197 gl.uniform3iv(sizeLoc, 1, expectedSize.m_data);
1198 gl.uniform1iv(lodLoc, 1, &testSize.lod);
1199
1200 gl.texStorage3D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(), testSize.textureSize.y(), testSize.textureSize.z());
1201 break;
1202 }
1203
1204 default:
1205 {
1206 DE_ASSERT(false);
1207 break;
1208 }
1209 }
1210
1211 errorValue = gl.getError();
1212 if (errorValue == GL_OUT_OF_MEMORY)
1213 {
1214 throw glu::OutOfMemoryError("Failed to allocate texture, got GL_OUT_OF_MEMORY.", "TexStorageXD", __FILE__, __LINE__);
1215 }
1216 else if (errorValue != GL_NO_ERROR)
1217 {
1218 // error is a failure too
1219 m_context.getTestContext().getLog() << tcu::TestLog::Message << "Failed, got " << glu::getErrorStr(errorValue) << "." << tcu::TestLog::EndMessage;
1220 success = false;
1221 }
1222 else
1223 {
1224 // test
1225 const float colorTolerance = 0.1f;
1226 tcu::TextureLevel sample (tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), 1, 1);
1227 tcu::Vec4 outputColor;
1228
1229 gl.clear (GL_COLOR_BUFFER_BIT);
1230 gl.drawArrays (GL_TRIANGLES, 0, 3);
1231 gl.finish ();
1232
1233 glu::readPixels (m_context.getRenderContext(), 0, 0, sample.getAccess());
1234
1235 outputColor = sample.getAccess().getPixel(0, 0);
1236
1237 if (outputColor.x() >= 1.0f - colorTolerance &&
1238 outputColor.y() >= 1.0f - colorTolerance &&
1239 outputColor.z() >= 1.0f - colorTolerance)
1240 {
1241 // success
1242 m_context.getTestContext().getLog() << TestLog::Message << "Passed" << TestLog::EndMessage;
1243 }
1244 else
1245 {
1246 // failure
1247 m_context.getTestContext().getLog() << TestLog::Message << "Failed" << TestLog::EndMessage;
1248 success = false;
1249 }
1250 }
1251
1252 // empty line to format log nicely
1253 m_context.getTestContext().getLog() << TestLog::Message << TestLog::EndMessage;
1254
1255 // free
1256 gl.bindTexture (textureTarget, 0);
1257 gl.deleteTextures (1, &texId);
1258 }
1259
1260 gl.useProgram(0);
1261
1262 return success;
1263 }
1264
genVertexShader() const1265 std::string TextureSizeCase::genVertexShader() const
1266 {
1267 std::ostringstream vert;
1268
1269 vert << "#version 300 es\n"
1270 << "in highp vec4 a_position;\n";
1271
1272 if (m_isVertexCase)
1273 {
1274 vert << "out mediump vec4 v_color;\n";
1275 vert << "uniform highp " << m_samplerTypeStr << " u_sampler;\n";
1276 vert << "uniform highp ivec" << (m_has3DSize ? 3 : 2) << " u_texSize;\n";
1277 vert << "uniform highp int u_lod;\n";
1278 }
1279
1280 vert << "void main()\n{\n";
1281
1282 if (m_isVertexCase)
1283 vert << " v_color = (textureSize(u_sampler, u_lod) == u_texSize ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0));\n";
1284
1285 vert << " gl_Position = a_position;\n"
1286 << "}\n";
1287
1288 return vert.str();
1289 }
1290
genFragmentShader() const1291 std::string TextureSizeCase::genFragmentShader() const
1292 {
1293 std::ostringstream frag;
1294
1295 frag << "#version 300 es\n"
1296 << "layout(location = 0) out mediump vec4 o_color;\n";
1297
1298 if (m_isVertexCase)
1299 frag << "in mediump vec4 v_color;\n";
1300
1301 if (!m_isVertexCase)
1302 {
1303 frag << "uniform highp " << m_samplerTypeStr << " u_sampler;\n";
1304 frag << "uniform highp ivec" << (m_has3DSize ? 3 : 2) << " u_texSize;\n";
1305 frag << "uniform highp int u_lod;\n";
1306 }
1307
1308 frag << "void main()\n{\n";
1309
1310 if (!m_isVertexCase)
1311 frag << " o_color = (textureSize(u_sampler, u_lod) == u_texSize ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, 0.0, 1.0));\n";
1312 else
1313 frag << " o_color = v_color;\n";
1314
1315 frag << "}\n";
1316
1317 return frag.str();
1318 }
1319
getGLTextureTarget() const1320 glw::GLenum TextureSizeCase::getGLTextureTarget() const
1321 {
1322 switch (m_textureSpec.type)
1323 {
1324 case TEXTURETYPE_2D: return GL_TEXTURE_2D; break;
1325 case TEXTURETYPE_CUBE_MAP: return GL_TEXTURE_CUBE_MAP; break;
1326 case TEXTURETYPE_2D_ARRAY: return GL_TEXTURE_2D_ARRAY; break;
1327 case TEXTURETYPE_3D: return GL_TEXTURE_3D; break;
1328 default: DE_ASSERT(DE_FALSE); break;
1329 }
1330 return 0;
1331 }
1332
ShaderTextureFunctionTests(Context & context)1333 ShaderTextureFunctionTests::ShaderTextureFunctionTests (Context& context)
1334 : TestCaseGroup(context, "texture_functions", "Texture Access Function Tests")
1335 {
1336 }
1337
~ShaderTextureFunctionTests(void)1338 ShaderTextureFunctionTests::~ShaderTextureFunctionTests (void)
1339 {
1340 }
1341
1342 enum CaseFlags
1343 {
1344 VERTEX = (1<<0),
1345 FRAGMENT = (1<<1),
1346 BOTH = VERTEX|FRAGMENT
1347 };
1348
1349 struct TexFuncCaseSpec
1350 {
1351 const char* name;
1352 TextureLookupSpec lookupSpec;
1353 TextureSpec texSpec;
1354 TexEvalFunc evalFunc;
1355 deUint32 flags;
1356 };
1357
1358 #define CASE_SPEC(NAME, FUNC, MINCOORD, MAXCOORD, USEBIAS, MINLOD, MAXLOD, USEOFFSET, OFFSET, TEXSPEC, EVALFUNC, FLAGS) \
1359 { #NAME, TextureLookupSpec(FUNC, MINCOORD, MAXCOORD, USEBIAS, MINLOD, MAXLOD, tcu::Vec3(0.0f), tcu::Vec3(0.0f), tcu::Vec3(0.0f), tcu::Vec3(0.0f), USEOFFSET, OFFSET), TEXSPEC, EVALFUNC, FLAGS }
1360 #define GRAD_CASE_SPEC(NAME, FUNC, MINCOORD, MAXCOORD, MINDX, MAXDX, MINDY, MAXDY, USEOFFSET, OFFSET, TEXSPEC, EVALFUNC, FLAGS) \
1361 { #NAME, TextureLookupSpec(FUNC, MINCOORD, MAXCOORD, false, 0.0f, 0.0f, MINDX, MAXDX, MINDY, MAXDY, USEOFFSET, OFFSET), TEXSPEC, EVALFUNC, FLAGS }
1362
createCaseGroup(TestCaseGroup * parent,const char * groupName,const char * groupDesc,const TexFuncCaseSpec * cases,int numCases)1363 static void createCaseGroup (TestCaseGroup* parent, const char* groupName, const char* groupDesc, const TexFuncCaseSpec* cases, int numCases)
1364 {
1365 tcu::TestCaseGroup* group = new tcu::TestCaseGroup(parent->getTestContext(), groupName, groupDesc);
1366 parent->addChild(group);
1367
1368 for (int ndx = 0; ndx < numCases; ndx++)
1369 {
1370 std::string name = cases[ndx].name;
1371 if (cases[ndx].flags & VERTEX)
1372 group->addChild(new ShaderTextureFunctionCase(parent->getContext(), (name + "_vertex").c_str(), "", cases[ndx].lookupSpec, cases[ndx].texSpec, cases[ndx].evalFunc, true));
1373 if (cases[ndx].flags & FRAGMENT)
1374 group->addChild(new ShaderTextureFunctionCase(parent->getContext(), (name + "_fragment").c_str(), "", cases[ndx].lookupSpec, cases[ndx].texSpec, cases[ndx].evalFunc, false));
1375 }
1376 }
1377
init(void)1378 void ShaderTextureFunctionTests::init (void)
1379 {
1380 // Samplers
1381 static const tcu::Sampler samplerNearestNoMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1382 tcu::Sampler::NEAREST, tcu::Sampler::NEAREST,
1383 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
1384 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1385 static const tcu::Sampler samplerLinearNoMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1386 tcu::Sampler::LINEAR, tcu::Sampler::LINEAR,
1387 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
1388 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1389 static const tcu::Sampler samplerNearestMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1390 tcu::Sampler::NEAREST_MIPMAP_NEAREST, tcu::Sampler::NEAREST,
1391 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
1392 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1393 static const tcu::Sampler samplerLinearMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1394 tcu::Sampler::LINEAR_MIPMAP_NEAREST, tcu::Sampler::LINEAR,
1395 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
1396 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1397
1398 static const tcu::Sampler samplerShadowNoMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1399 tcu::Sampler::NEAREST, tcu::Sampler::NEAREST,
1400 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_LESS,
1401 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1402 static const tcu::Sampler samplerShadowMipmap (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1403 tcu::Sampler::NEAREST_MIPMAP_NEAREST, tcu::Sampler::NEAREST,
1404 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_LESS,
1405 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1406
1407 static const tcu::Sampler samplerTexelFetch (tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL,
1408 tcu::Sampler::NEAREST_MIPMAP_NEAREST, tcu::Sampler::NEAREST,
1409 0.0f /* LOD threshold */, false /* non-normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
1410 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
1411
1412 // Default textures.
1413 // Type Format W H D L Sampler
1414 static const TextureSpec tex2DFixed (TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 1, samplerLinearNoMipmap);
1415 static const TextureSpec tex2DFloat (TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 1, samplerLinearNoMipmap);
1416 static const TextureSpec tex2DInt (TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 1, samplerNearestNoMipmap);
1417 static const TextureSpec tex2DUint (TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 1, samplerNearestNoMipmap);
1418 static const TextureSpec tex2DMipmapFixed (TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 9, samplerLinearMipmap);
1419 static const TextureSpec tex2DMipmapFloat (TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 9, samplerLinearMipmap);
1420 static const TextureSpec tex2DMipmapInt (TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 9, samplerNearestMipmap);
1421 static const TextureSpec tex2DMipmapUint (TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 9, samplerNearestMipmap);
1422
1423 static const TextureSpec tex2DShadow (TEXTURETYPE_2D, GL_DEPTH_COMPONENT16, 256, 256, 1, 9, samplerShadowNoMipmap);
1424 static const TextureSpec tex2DMipmapShadow (TEXTURETYPE_2D, GL_DEPTH_COMPONENT16, 256, 256, 1, 9, samplerShadowMipmap);
1425
1426 static const TextureSpec tex2DTexelFetchFixed (TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 9, samplerTexelFetch);
1427 static const TextureSpec tex2DTexelFetchFloat (TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 9, samplerTexelFetch);
1428 static const TextureSpec tex2DTexelFetchInt (TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 9, samplerTexelFetch);
1429 static const TextureSpec tex2DTexelFetchUint (TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 9, samplerTexelFetch);
1430
1431 static const TextureSpec texCubeFixed (TEXTURETYPE_CUBE_MAP, GL_RGBA8, 256, 256, 1, 1, samplerLinearNoMipmap);
1432 static const TextureSpec texCubeFloat (TEXTURETYPE_CUBE_MAP, GL_RGBA16F, 256, 256, 1, 1, samplerLinearNoMipmap);
1433 static const TextureSpec texCubeInt (TEXTURETYPE_CUBE_MAP, GL_RGBA8I, 256, 256, 1, 1, samplerNearestNoMipmap);
1434 static const TextureSpec texCubeUint (TEXTURETYPE_CUBE_MAP, GL_RGBA8UI, 256, 256, 1, 1, samplerNearestNoMipmap);
1435 static const TextureSpec texCubeMipmapFixed (TEXTURETYPE_CUBE_MAP, GL_RGBA8, 256, 256, 1, 9, samplerLinearMipmap);
1436 static const TextureSpec texCubeMipmapFloat (TEXTURETYPE_CUBE_MAP, GL_RGBA16F, 128, 128, 1, 8, samplerLinearMipmap);
1437 static const TextureSpec texCubeMipmapInt (TEXTURETYPE_CUBE_MAP, GL_RGBA8I, 256, 256, 1, 9, samplerNearestMipmap);
1438 static const TextureSpec texCubeMipmapUint (TEXTURETYPE_CUBE_MAP, GL_RGBA8UI, 256, 256, 1, 9, samplerNearestMipmap);
1439
1440 static const TextureSpec texCubeShadow (TEXTURETYPE_CUBE_MAP, GL_DEPTH_COMPONENT16, 256, 256, 1, 1, samplerShadowNoMipmap);
1441 static const TextureSpec texCubeMipmapShadow (TEXTURETYPE_CUBE_MAP, GL_DEPTH_COMPONENT16, 256, 256, 1, 9, samplerShadowMipmap);
1442
1443 static const TextureSpec tex2DArrayFixed (TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 1, samplerLinearNoMipmap);
1444 static const TextureSpec tex2DArrayFloat (TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 1, samplerLinearNoMipmap);
1445 static const TextureSpec tex2DArrayInt (TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 1, samplerNearestNoMipmap);
1446 static const TextureSpec tex2DArrayUint (TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 1, samplerNearestNoMipmap);
1447 static const TextureSpec tex2DArrayMipmapFixed (TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 8, samplerLinearMipmap);
1448 static const TextureSpec tex2DArrayMipmapFloat (TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 8, samplerLinearMipmap);
1449 static const TextureSpec tex2DArrayMipmapInt (TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 8, samplerNearestMipmap);
1450 static const TextureSpec tex2DArrayMipmapUint (TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 8, samplerNearestMipmap);
1451
1452 static const TextureSpec tex2DArrayShadow (TEXTURETYPE_2D_ARRAY, GL_DEPTH_COMPONENT16, 128, 128, 4, 1, samplerShadowNoMipmap);
1453 static const TextureSpec tex2DArrayMipmapShadow (TEXTURETYPE_2D_ARRAY, GL_DEPTH_COMPONENT16, 128, 128, 4, 8, samplerShadowMipmap);
1454
1455 static const TextureSpec tex2DArrayTexelFetchFixed (TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 8, samplerTexelFetch);
1456 static const TextureSpec tex2DArrayTexelFetchFloat (TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 8, samplerTexelFetch);
1457 static const TextureSpec tex2DArrayTexelFetchInt (TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 8, samplerTexelFetch);
1458 static const TextureSpec tex2DArrayTexelFetchUint (TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 8, samplerTexelFetch);
1459
1460 static const TextureSpec tex3DFixed (TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 1, samplerLinearNoMipmap);
1461 static const TextureSpec tex3DFloat (TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 1, samplerLinearNoMipmap);
1462 static const TextureSpec tex3DInt (TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 1, samplerNearestNoMipmap);
1463 static const TextureSpec tex3DUint (TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 1, samplerNearestNoMipmap);
1464 static const TextureSpec tex3DMipmapFixed (TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 7, samplerLinearMipmap);
1465 static const TextureSpec tex3DMipmapFloat (TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 7, samplerLinearMipmap);
1466 static const TextureSpec tex3DMipmapInt (TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 7, samplerNearestMipmap);
1467 static const TextureSpec tex3DMipmapUint (TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 7, samplerNearestMipmap);
1468
1469 static const TextureSpec tex3DTexelFetchFixed (TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 7, samplerTexelFetch);
1470 static const TextureSpec tex3DTexelFetchFloat (TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 7, samplerTexelFetch);
1471 static const TextureSpec tex3DTexelFetchInt (TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 7, samplerTexelFetch);
1472 static const TextureSpec tex3DTexelFetchUint (TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 7, samplerTexelFetch);
1473
1474 // texture() cases
1475 static const TexFuncCaseSpec textureCases[] =
1476 {
1477 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1478 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2D, VERTEX),
1479 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2D, FRAGMENT),
1480 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2D, VERTEX),
1481 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2D, FRAGMENT),
1482 CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2D, VERTEX),
1483 CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2D, FRAGMENT),
1484 CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2D, VERTEX),
1485 CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2D, FRAGMENT),
1486
1487 CASE_SPEC(sampler2d_bias_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DBias, FRAGMENT),
1488 CASE_SPEC(sampler2d_bias_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DBias, FRAGMENT),
1489 CASE_SPEC(isampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DBias, FRAGMENT),
1490 CASE_SPEC(usampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DBias, FRAGMENT),
1491
1492 CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeFixed, evalTextureCube, VERTEX),
1493 CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapFixed, evalTextureCube, FRAGMENT),
1494 CASE_SPEC(samplercube_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeFloat, evalTextureCube, VERTEX),
1495 CASE_SPEC(samplercube_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapFloat, evalTextureCube, FRAGMENT),
1496 CASE_SPEC(isamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeInt, evalTextureCube, VERTEX),
1497 CASE_SPEC(isamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCube, FRAGMENT),
1498 CASE_SPEC(usamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeUint, evalTextureCube, VERTEX),
1499 CASE_SPEC(usamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCube, FRAGMENT),
1500
1501 CASE_SPEC(samplercube_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapFixed, evalTextureCubeBias, FRAGMENT),
1502 CASE_SPEC(samplercube_bias_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapFloat, evalTextureCubeBias, FRAGMENT),
1503 CASE_SPEC(isamplercube_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCubeBias, FRAGMENT),
1504 CASE_SPEC(usamplercube_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCubeBias, FRAGMENT),
1505
1506 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayFixed, evalTexture2DArray, VERTEX),
1507 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapFixed, evalTexture2DArray, FRAGMENT),
1508 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayFloat, evalTexture2DArray, VERTEX),
1509 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapFloat, evalTexture2DArray, FRAGMENT),
1510 CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayInt, evalTexture2DArray, VERTEX),
1511 CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArray, FRAGMENT),
1512 CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayUint, evalTexture2DArray, VERTEX),
1513 CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArray, FRAGMENT),
1514
1515 CASE_SPEC(sampler2darray_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapFixed, evalTexture2DArrayBias, FRAGMENT),
1516 CASE_SPEC(sampler2darray_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapFloat, evalTexture2DArrayBias, FRAGMENT),
1517 CASE_SPEC(isampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArrayBias, FRAGMENT),
1518 CASE_SPEC(usampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArrayBias, FRAGMENT),
1519
1520 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFixed, evalTexture3D, VERTEX),
1521 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3D, FRAGMENT),
1522 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFloat, evalTexture3D, VERTEX),
1523 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3D, FRAGMENT),
1524 CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DInt, evalTexture3D, VERTEX),
1525 CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3D, FRAGMENT),
1526 CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DUint, evalTexture3D, VERTEX),
1527 CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3D, FRAGMENT),
1528
1529 CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DBias, FRAGMENT),
1530 CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DBias, FRAGMENT),
1531 CASE_SPEC(isampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DBias, FRAGMENT),
1532 CASE_SPEC(usampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DBias, FRAGMENT),
1533
1534 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DShadow, evalTexture2DShadow, VERTEX),
1535 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadow, FRAGMENT),
1536 CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowBias, FRAGMENT),
1537
1538 CASE_SPEC(samplercubeshadow, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 1.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeShadow, evalTextureCubeShadow, VERTEX),
1539 CASE_SPEC(samplercubeshadow, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 1.0f), false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapShadow, evalTextureCubeShadow, FRAGMENT),
1540 CASE_SPEC(samplercubeshadow_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 1.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapShadow, evalTextureCubeShadowBias, FRAGMENT),
1541
1542 CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayShadow, evalTexture2DArrayShadow, VERTEX),
1543 CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapShadow, evalTexture2DArrayShadow, FRAGMENT)
1544
1545 // Not in spec.
1546 // CASE_SPEC(sampler2darrayshadow_bias, (FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), true, -2.0f, 2.0f, Vec2(0.0f), Vec2(0.0f), false, IVec3(0)), tex2DArrayMipmapShadow, evalTexture2DArrayShadowBias, FRAGMENT)
1547 };
1548 createCaseGroup(this, "texture", "texture() Tests", textureCases, DE_LENGTH_OF_ARRAY(textureCases));
1549
1550 // textureOffset() cases
1551 // \note _bias variants are not using mipmap thanks to wide allowed range for LOD computation
1552 static const TexFuncCaseSpec textureOffsetCases[] =
1553 {
1554 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1555 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DOffset, VERTEX),
1556 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed, evalTexture2DOffset, FRAGMENT),
1557 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat, evalTexture2DOffset, VERTEX),
1558 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DOffset, FRAGMENT),
1559 CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DOffset, VERTEX),
1560 CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt, evalTexture2DOffset, FRAGMENT),
1561 CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint, evalTexture2DOffset, VERTEX),
1562 CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DOffset, FRAGMENT),
1563
1564 CASE_SPEC(sampler2d_bias_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DOffsetBias, FRAGMENT),
1565 CASE_SPEC(sampler2d_bias_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat, evalTexture2DOffsetBias, FRAGMENT),
1566 CASE_SPEC(isampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DOffsetBias, FRAGMENT),
1567 CASE_SPEC(usampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint, evalTexture2DOffsetBias, FRAGMENT),
1568
1569 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayFixed, evalTexture2DArrayOffset, VERTEX),
1570 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFixed, evalTexture2DArrayOffset, FRAGMENT),
1571 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayFloat, evalTexture2DArrayOffset, VERTEX),
1572 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFloat, evalTexture2DArrayOffset, FRAGMENT),
1573 CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayInt, evalTexture2DArrayOffset, VERTEX),
1574 CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapInt, evalTexture2DArrayOffset, FRAGMENT),
1575 CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayUint, evalTexture2DArrayOffset, VERTEX),
1576 CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapUint, evalTexture2DArrayOffset, FRAGMENT),
1577
1578 CASE_SPEC(sampler2darray_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayFixed, evalTexture2DArrayOffsetBias, FRAGMENT),
1579 CASE_SPEC(sampler2darray_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DArrayFloat, evalTexture2DArrayOffsetBias, FRAGMENT),
1580 CASE_SPEC(isampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayInt, evalTexture2DArrayOffsetBias, FRAGMENT),
1581 CASE_SPEC(usampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DArrayUint, evalTexture2DArrayOffsetBias, FRAGMENT),
1582
1583 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DOffset, VERTEX),
1584 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapFixed, evalTexture3DOffset, FRAGMENT),
1585 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DFloat, evalTexture3DOffset, VERTEX),
1586 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DMipmapFloat, evalTexture3DOffset, FRAGMENT),
1587 CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DInt, evalTexture3DOffset, VERTEX),
1588 CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DOffset, FRAGMENT),
1589 CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DOffset, VERTEX),
1590 CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DOffset, FRAGMENT),
1591
1592 CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 1.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DOffsetBias, FRAGMENT),
1593 CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 1.0f, true, IVec3(7, 3, -8), tex3DFloat, evalTexture3DOffsetBias, FRAGMENT),
1594 CASE_SPEC(isampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DInt, evalTexture3DOffsetBias, FRAGMENT),
1595 CASE_SPEC(usampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DOffsetBias, FRAGMENT),
1596
1597 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowOffset, VERTEX),
1598 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowOffset, FRAGMENT),
1599 CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowOffsetBias, FRAGMENT)
1600 };
1601 createCaseGroup(this, "textureoffset", "textureOffset() Tests", textureOffsetCases, DE_LENGTH_OF_ARRAY(textureOffsetCases));
1602
1603 // textureProj() cases
1604 // \note Currently uses constant divider!
1605 static const TexFuncCaseSpec textureProjCases[] =
1606 {
1607 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1608 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2DProj3, VERTEX),
1609 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProj3, FRAGMENT),
1610 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2DProj3, VERTEX),
1611 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProj3, FRAGMENT),
1612 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2DProj3, VERTEX),
1613 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProj3, FRAGMENT),
1614 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2DProj3, VERTEX),
1615 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProj3, FRAGMENT),
1616
1617 CASE_SPEC(sampler2d_vec3_bias_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProj3Bias, FRAGMENT),
1618 CASE_SPEC(sampler2d_vec3_bias_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProj3Bias, FRAGMENT),
1619 CASE_SPEC(isampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProj3Bias, FRAGMENT),
1620 CASE_SPEC(usampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProj3Bias, FRAGMENT),
1621
1622 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2DProj, VERTEX),
1623 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProj, FRAGMENT),
1624 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2DProj, VERTEX),
1625 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProj, FRAGMENT),
1626 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2DProj, VERTEX),
1627 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProj, FRAGMENT),
1628 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2DProj, VERTEX),
1629 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProj, FRAGMENT),
1630
1631 CASE_SPEC(sampler2d_vec4_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProjBias, FRAGMENT),
1632 CASE_SPEC(sampler2d_vec4_bias_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProjBias, FRAGMENT),
1633 CASE_SPEC(isampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProjBias, FRAGMENT),
1634 CASE_SPEC(usampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProjBias, FRAGMENT),
1635
1636 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFixed, evalTexture3DProj, VERTEX),
1637 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DProj, FRAGMENT),
1638 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFloat, evalTexture3DProj, VERTEX),
1639 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DProj, FRAGMENT),
1640 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DInt, evalTexture3DProj, VERTEX),
1641 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DProj, FRAGMENT),
1642 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DUint, evalTexture3DProj, VERTEX),
1643 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DProj, FRAGMENT),
1644
1645 CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DProjBias, FRAGMENT),
1646 CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DProjBias, FRAGMENT),
1647 CASE_SPEC(isampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DProjBias, FRAGMENT),
1648 CASE_SPEC(usampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DProjBias, FRAGMENT),
1649
1650 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DShadow, evalTexture2DShadowProj, VERTEX),
1651 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProj, FRAGMENT),
1652 CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProjBias, FRAGMENT)
1653 };
1654 createCaseGroup(this, "textureproj", "textureProj() Tests", textureProjCases, DE_LENGTH_OF_ARRAY(textureProjCases));
1655
1656 // textureProjOffset() cases
1657 // \note Currently uses constant divider!
1658 static const TexFuncCaseSpec textureProjOffsetCases[] =
1659 {
1660 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1661 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DProj3Offset, VERTEX),
1662 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed, evalTexture2DProj3Offset, FRAGMENT),
1663 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat, evalTexture2DProj3Offset, VERTEX),
1664 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProj3Offset, FRAGMENT),
1665 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DProj3Offset, VERTEX),
1666 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt, evalTexture2DProj3Offset, FRAGMENT),
1667 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint, evalTexture2DProj3Offset, VERTEX),
1668 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProj3Offset, FRAGMENT),
1669
1670 CASE_SPEC(sampler2d_vec3_bias_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DProj3OffsetBias, FRAGMENT),
1671 CASE_SPEC(sampler2d_vec3_bias_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat, evalTexture2DProj3OffsetBias, FRAGMENT),
1672 CASE_SPEC(isampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DProj3OffsetBias, FRAGMENT),
1673 CASE_SPEC(usampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint, evalTexture2DProj3OffsetBias, FRAGMENT),
1674
1675 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DProjOffset, VERTEX),
1676 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed, evalTexture2DProjOffset, FRAGMENT),
1677 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat, evalTexture2DProjOffset, VERTEX),
1678 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProjOffset, FRAGMENT),
1679 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DProjOffset, VERTEX),
1680 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt, evalTexture2DProjOffset, FRAGMENT),
1681 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint, evalTexture2DProjOffset, VERTEX),
1682 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjOffset, FRAGMENT),
1683
1684 CASE_SPEC(sampler2d_vec4_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DProjOffsetBias, FRAGMENT),
1685 CASE_SPEC(sampler2d_vec4_bias_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat, evalTexture2DProjOffsetBias, FRAGMENT),
1686 CASE_SPEC(isampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DProjOffsetBias, FRAGMENT),
1687 CASE_SPEC(usampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint, evalTexture2DProjOffsetBias, FRAGMENT),
1688
1689 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DProjOffset, VERTEX),
1690 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapFixed, evalTexture3DProjOffset, FRAGMENT),
1691 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DFloat, evalTexture3DProjOffset, VERTEX),
1692 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DMipmapFloat, evalTexture3DProjOffset, FRAGMENT),
1693 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DInt, evalTexture3DProjOffset, VERTEX),
1694 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DProjOffset, FRAGMENT),
1695 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DProjOffset, VERTEX),
1696 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DProjOffset, FRAGMENT),
1697
1698 CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DProjOffsetBias, FRAGMENT),
1699 CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(7, 3, -8), tex3DFloat, evalTexture3DProjOffsetBias, FRAGMENT),
1700 CASE_SPEC(isampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DInt, evalTexture3DProjOffsetBias, FRAGMENT),
1701 CASE_SPEC(usampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DProjOffsetBias, FRAGMENT),
1702
1703 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowProjOffset, VERTEX),
1704 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowProjOffset, FRAGMENT),
1705 CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTUREPROJ, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowProjOffsetBias, FRAGMENT)
1706 };
1707 createCaseGroup(this, "textureprojoffset", "textureOffsetProj() Tests", textureProjOffsetCases, DE_LENGTH_OF_ARRAY(textureProjOffsetCases));
1708
1709 // textureLod() cases
1710 static const TexFuncCaseSpec textureLodCases[] =
1711 {
1712 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1713 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DLod, BOTH),
1714 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DLod, BOTH),
1715 CASE_SPEC(isampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DLod, BOTH),
1716 CASE_SPEC(usampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DLod, BOTH),
1717
1718 CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapFixed, evalTextureCubeLod, BOTH),
1719 CASE_SPEC(samplercube_float, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapFloat, evalTextureCubeLod, BOTH),
1720 CASE_SPEC(isamplercube, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCubeLod, BOTH),
1721 CASE_SPEC(usamplercube, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCubeLod, BOTH),
1722
1723 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapFixed, evalTexture2DArrayLod, BOTH),
1724 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapFloat, evalTexture2DArrayLod, BOTH),
1725 CASE_SPEC(isampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArrayLod, BOTH),
1726 CASE_SPEC(usampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArrayLod, BOTH),
1727
1728 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DLod, BOTH),
1729 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DLod, BOTH),
1730 CASE_SPEC(isampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DLod, BOTH),
1731 CASE_SPEC(usampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DLod, BOTH),
1732
1733 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowLod, BOTH)
1734 };
1735 createCaseGroup(this, "texturelod", "textureLod() Tests", textureLodCases, DE_LENGTH_OF_ARRAY(textureLodCases));
1736
1737 // textureLodOffset() cases
1738 static const TexFuncCaseSpec textureLodOffsetCases[] =
1739 {
1740 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1741 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DLodOffset, BOTH),
1742 CASE_SPEC(sampler2d_float, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DLodOffset, BOTH),
1743 CASE_SPEC(isampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DLodOffset, BOTH),
1744 CASE_SPEC(usampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DLodOffset, BOTH),
1745
1746 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(-8, 7, 0), tex2DArrayMipmapFixed, evalTexture2DArrayLodOffset, BOTH),
1747 CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFloat, evalTexture2DArrayLodOffset, BOTH),
1748 CASE_SPEC(isampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(-8, 7, 0), tex2DArrayMipmapInt, evalTexture2DArrayLodOffset, BOTH),
1749 CASE_SPEC(usampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapUint, evalTexture2DArrayLodOffset, BOTH),
1750
1751 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapFixed, evalTexture3DLodOffset, BOTH),
1752 CASE_SPEC(sampler3d_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, true, IVec3(7, 3, -8), tex3DMipmapFloat, evalTexture3DLodOffset, BOTH),
1753 CASE_SPEC(isampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DLodOffset, BOTH),
1754 CASE_SPEC(usampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapUint, evalTexture3DLodOffset, BOTH),
1755
1756 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapShadow, evalTexture2DShadowLodOffset, BOTH)
1757 };
1758 createCaseGroup(this, "texturelodoffset", "textureLodOffset() Tests", textureLodOffsetCases, DE_LENGTH_OF_ARRAY(textureLodOffsetCases));
1759
1760 // textureProjLod() cases
1761 static const TexFuncCaseSpec textureProjLodCases[] =
1762 {
1763 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1764 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProjLod3, BOTH),
1765 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProjLod3, BOTH),
1766 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProjLod3, BOTH),
1767 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProjLod3, BOTH),
1768
1769 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DProjLod, BOTH),
1770 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DProjLod, BOTH),
1771 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProjLod, BOTH),
1772 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProjLod, BOTH),
1773
1774 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DProjLod, BOTH),
1775 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DProjLod, BOTH),
1776 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DProjLod, BOTH),
1777 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DProjLod, BOTH),
1778
1779 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJLOD, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProjLod, BOTH)
1780 };
1781 createCaseGroup(this, "textureprojlod", "textureProjLod() Tests", textureProjLodCases, DE_LENGTH_OF_ARRAY(textureProjLodCases));
1782
1783 // textureProjLodOffset() cases
1784 static const TexFuncCaseSpec textureProjLodOffsetCases[] =
1785 {
1786 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1787 CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DProjLod3Offset, BOTH),
1788 CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProjLod3Offset, BOTH),
1789 CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DProjLod3Offset, BOTH),
1790 CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjLod3Offset, BOTH),
1791
1792 CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DProjLodOffset, BOTH),
1793 CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProjLodOffset, BOTH),
1794 CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DProjLodOffset, BOTH),
1795 CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjLodOffset, BOTH),
1796
1797 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapFixed, evalTexture3DProjLodOffset, BOTH),
1798 CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(7, 3, -8), tex3DMipmapFloat, evalTexture3DProjLodOffset, BOTH),
1799 CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DProjLodOffset, BOTH),
1800 CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapUint, evalTexture3DProjLodOffset, BOTH),
1801
1802 CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJLOD, Vec4( 0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapShadow, evalTexture2DShadowProjLodOffset, BOTH)
1803 };
1804 createCaseGroup(this, "textureprojlodoffset", "textureProjLodOffset() Tests", textureProjLodOffsetCases, DE_LENGTH_OF_ARRAY(textureProjLodOffsetCases));
1805
1806 // textureGrad() cases
1807 // \note Only one of dudx, dudy, dvdx, dvdy is non-zero since spec allows approximating p from derivates by various methods.
1808 static const TexFuncCaseSpec textureGradCases[] =
1809 {
1810 // Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
1811 GRAD_CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed, evalTexture2DGrad, BOTH),
1812 GRAD_CASE_SPEC(sampler2d_float, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat, evalTexture2DGrad, BOTH),
1813 GRAD_CASE_SPEC(isampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapInt, evalTexture2DGrad, BOTH),
1814 GRAD_CASE_SPEC(usampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DMipmapUint, evalTexture2DGrad, BOTH),
1815
1816 GRAD_CASE_SPEC(samplercube_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapFixed, evalTextureCubeGrad, BOTH),
1817 GRAD_CASE_SPEC(samplercube_float, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapFloat, evalTextureCubeGrad, BOTH),
1818 GRAD_CASE_SPEC(isamplercube, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapInt, evalTextureCubeGrad, BOTH),
1819 GRAD_CASE_SPEC(usamplercube, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4( 1.0f, 1.0f, -1.01f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), texCubeMipmapUint, evalTextureCubeGrad, BOTH),
1820
1821 GRAD_CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapFixed, evalTexture2DArrayGrad, BOTH),
1822 GRAD_CASE_SPEC(sampler2darray_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapFloat, evalTexture2DArrayGrad, BOTH),
1823 GRAD_CASE_SPEC(isampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArrayGrad, BOTH),
1824 GRAD_CASE_SPEC(usampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArrayGrad, BOTH),
1825
1826 GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFixed, evalTexture3DGrad, BOTH),
1827 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat, evalTexture3DGrad, VERTEX),
1828 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.2f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat, evalTexture3DGrad, FRAGMENT),
1829 GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapInt, evalTexture3DGrad, BOTH),
1830 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex3DMipmapUint, evalTexture3DGrad, VERTEX),
1831 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, -0.2f), false, IVec3(0), tex3DMipmapUint, evalTexture3DGrad, FRAGMENT),
1832
1833 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowGrad, BOTH),
1834 GRAD_CASE_SPEC(samplercubeshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4( 1.0f, 1.0f, 1.01f, 1.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapShadow, evalTextureCubeShadowGrad, BOTH),
1835 GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapShadow, evalTexture2DArrayShadowGrad, VERTEX),
1836 GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), false, IVec3(0), tex2DArrayMipmapShadow, evalTexture2DArrayShadowGrad, FRAGMENT)
1837 };
1838 createCaseGroup(this, "texturegrad", "textureGrad() Tests", textureGradCases, DE_LENGTH_OF_ARRAY(textureGradCases));
1839
1840 // textureGradOffset() cases
1841 static const TexFuncCaseSpec textureGradOffsetCases[] =
1842 {
1843 // Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
1844 GRAD_CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DGradOffset, BOTH),
1845 GRAD_CASE_SPEC(sampler2d_float, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DGradOffset, BOTH),
1846 GRAD_CASE_SPEC(isampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DGradOffset, BOTH),
1847 GRAD_CASE_SPEC(usampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DGradOffset, BOTH),
1848
1849 GRAD_CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapFixed, evalTexture2DArrayGradOffset, BOTH),
1850 GRAD_CASE_SPEC(sampler2darray_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapFloat, evalTexture2DArrayGradOffset, BOTH),
1851 GRAD_CASE_SPEC(isampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapInt, evalTexture2DArrayGradOffset, BOTH),
1852 GRAD_CASE_SPEC(usampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapUint, evalTexture2DArrayGradOffset, BOTH),
1853
1854 GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapFixed, evalTexture3DGradOffset, BOTH),
1855 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapFloat, evalTexture3DGradOffset, VERTEX),
1856 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.2f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(3, -8, 7), tex3DMipmapFloat, evalTexture3DGradOffset, FRAGMENT),
1857 GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapInt, evalTexture3DGradOffset, BOTH),
1858 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DGradOffset, VERTEX),
1859 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4( 1.5f, 2.3f, 2.3f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, -0.2f), true, IVec3(3, -8, 7), tex3DMipmapUint, evalTexture3DGradOffset, FRAGMENT),
1860
1861 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapShadow, evalTexture2DShadowGradOffset, VERTEX),
1862 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4( 1.5f, 2.3f, 1.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowGradOffset, FRAGMENT),
1863 GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapShadow, evalTexture2DArrayShadowGradOffset, VERTEX),
1864 GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapShadow, evalTexture2DArrayShadowGradOffset, FRAGMENT)
1865 };
1866 createCaseGroup(this, "texturegradoffset", "textureGradOffset() Tests", textureGradOffsetCases, DE_LENGTH_OF_ARRAY(textureGradOffsetCases));
1867
1868 // textureProjGrad() cases
1869 static const TexFuncCaseSpec textureProjGradCases[] =
1870 {
1871 // Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
1872 GRAD_CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed, evalTexture2DProjGrad3, BOTH),
1873 GRAD_CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat, evalTexture2DProjGrad3, BOTH),
1874 GRAD_CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapInt, evalTexture2DProjGrad3, BOTH),
1875 GRAD_CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DMipmapUint, evalTexture2DProjGrad3, BOTH),
1876
1877 GRAD_CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed, evalTexture2DProjGrad, BOTH),
1878 GRAD_CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat, evalTexture2DProjGrad, BOTH),
1879 GRAD_CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapInt, evalTexture2DProjGrad, BOTH),
1880 GRAD_CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DMipmapUint, evalTexture2DProjGrad, BOTH),
1881
1882 GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFixed, evalTexture3DProjGrad, BOTH),
1883 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat, evalTexture3DProjGrad, VERTEX),
1884 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.2f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat, evalTexture3DProjGrad, FRAGMENT),
1885 GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapInt, evalTexture3DProjGrad, BOTH),
1886 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), false, IVec3(0), tex3DMipmapUint, evalTexture3DProjGrad, VERTEX),
1887 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, -0.2f), false, IVec3(0), tex3DMipmapUint, evalTexture3DProjGrad, FRAGMENT),
1888
1889 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4( 0.2f, 0.6f, 0.0f, -1.5f), Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProjGrad, VERTEX),
1890 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4( 0.2f, 0.6f, 0.0f, -1.5f), Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProjGrad, FRAGMENT)
1891 };
1892 createCaseGroup(this, "textureprojgrad", "textureProjGrad() Tests", textureProjGradCases, DE_LENGTH_OF_ARRAY(textureProjGradCases));
1893
1894 // textureProjGradOffset() cases
1895 static const TexFuncCaseSpec textureProjGradOffsetCases[] =
1896 {
1897 // Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
1898 GRAD_CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DProjGrad3Offset, BOTH),
1899 GRAD_CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProjGrad3Offset, BOTH),
1900 GRAD_CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DProjGrad3Offset, BOTH),
1901 GRAD_CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f), Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjGrad3Offset, BOTH),
1902
1903 GRAD_CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DProjGradOffset, BOTH),
1904 GRAD_CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DProjGradOffset, BOTH),
1905 GRAD_CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DProjGradOffset, BOTH),
1906 GRAD_CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjGradOffset, BOTH),
1907
1908 GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapFixed, evalTexture3DProjGradOffset, BOTH),
1909 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapFloat, evalTexture3DProjGradOffset, VERTEX),
1910 GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.2f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(3, -8, 7), tex3DMipmapFloat, evalTexture3DProjGradOffset, FRAGMENT),
1911 GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapInt, evalTexture3DProjGradOffset, BOTH),
1912 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.2f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DProjGradOffset, VERTEX),
1913 GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f), Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, -0.2f), true, IVec3(3, -8, 7), tex3DMipmapUint, evalTexture3DProjGradOffset, FRAGMENT),
1914
1915 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4( 0.2f, 0.6f, 0.0f, -1.5f), Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.2f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapShadow, evalTexture2DShadowProjGradOffset, VERTEX),
1916 GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4( 0.2f, 0.6f, 0.0f, -1.5f), Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, 0.0f, 0.0f), Vec3( 0.0f, -0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowProjGradOffset, FRAGMENT)
1917 };
1918 createCaseGroup(this, "textureprojgradoffset", "textureProjGradOffset() Tests", textureProjGradOffsetCases, DE_LENGTH_OF_ARRAY(textureProjGradOffsetCases));
1919
1920 // texelFetch() cases
1921 // \note Level is constant across quad
1922 static const TexFuncCaseSpec texelFetchCases[] =
1923 {
1924 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1925 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(255.9f, 255.9f, 0.0f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DTexelFetchFixed, evalTexelFetch2D, BOTH),
1926 CASE_SPEC(sampler2d_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(127.9f, 127.9f, 0.0f, 0.0f), false, 1.0f, 1.0f, false, IVec3(0), tex2DTexelFetchFloat, evalTexelFetch2D, BOTH),
1927 CASE_SPEC(isampler2d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4( 63.9f, 63.9f, 0.0f, 0.0f), false, 2.0f, 2.0f, false, IVec3(0), tex2DTexelFetchInt, evalTexelFetch2D, BOTH),
1928 CASE_SPEC(usampler2d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4( 15.9f, 15.9f, 0.0f, 0.0f), false, 4.0f, 4.0f, false, IVec3(0), tex2DTexelFetchUint, evalTexelFetch2D, BOTH),
1929
1930 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(127.9f, 127.9f, 3.9f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayTexelFetchFixed, evalTexelFetch2DArray, BOTH),
1931 CASE_SPEC(sampler2darray_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4( 63.9f, 63.9f, 3.9f, 0.0f), false, 1.0f, 1.0f, false, IVec3(0), tex2DArrayTexelFetchFloat, evalTexelFetch2DArray, BOTH),
1932 CASE_SPEC(isampler2darray, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4( 31.9f, 31.9f, 3.9f, 0.0f), false, 2.0f, 2.0f, false, IVec3(0), tex2DArrayTexelFetchInt, evalTexelFetch2DArray, BOTH),
1933 CASE_SPEC(usampler2darray, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4( 15.9f, 15.9f, 3.9f, 0.0f), false, 3.0f, 3.0f, false, IVec3(0), tex2DArrayTexelFetchUint, evalTexelFetch2DArray, BOTH),
1934
1935 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(63.9f, 31.9f, 31.9f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DTexelFetchFixed, evalTexelFetch3D, BOTH),
1936 CASE_SPEC(sampler3d_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(31.9f, 15.9f, 15.9f, 0.0f), false, 1.0f, 1.0f, false, IVec3(0), tex3DTexelFetchFloat, evalTexelFetch3D, BOTH),
1937 CASE_SPEC(isampler3d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(15.9f, 7.9f, 7.9f, 0.0f), false, 2.0f, 2.0f, false, IVec3(0), tex3DTexelFetchInt, evalTexelFetch3D, BOTH),
1938 CASE_SPEC(usampler3d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(63.9f, 31.9f, 31.9f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex3DTexelFetchUint, evalTexelFetch3D, BOTH)
1939 };
1940 createCaseGroup(this, "texelfetch", "texelFetch() Tests", texelFetchCases, DE_LENGTH_OF_ARRAY(texelFetchCases));
1941
1942 // texelFetchOffset() cases
1943 static const TexFuncCaseSpec texelFetchOffsetCases[] =
1944 {
1945 // Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
1946 CASE_SPEC(sampler2d_fixed, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, 0.0f, 0.0f), Vec4(263.9f, 248.9f, 0.0f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DTexelFetchFixed, evalTexelFetch2D, BOTH),
1947 CASE_SPEC(sampler2d_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4(120.9f, 135.9f, 0.0f, 0.0f), false, 1.0f, 1.0f, true, IVec3(7, -8, 0), tex2DTexelFetchFloat, evalTexelFetch2D, BOTH),
1948 CASE_SPEC(isampler2d, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, 0.0f, 0.0f), Vec4( 71.9f, 56.9f, 0.0f, 0.0f), false, 2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DTexelFetchInt, evalTexelFetch2D, BOTH),
1949 CASE_SPEC(usampler2d, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4( 8.9f, 23.9f, 0.0f, 0.0f), false, 4.0f, 4.0f, true, IVec3(7, -8, 0), tex2DTexelFetchUint, evalTexelFetch2D, BOTH),
1950
1951 CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, 0.0f, 0.0f), Vec4(135.9f, 120.9f, 3.9f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayTexelFetchFixed, evalTexelFetch2DArray, BOTH),
1952 CASE_SPEC(sampler2darray_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4( 56.9f, 71.9f, 3.9f, 0.0f), false, 1.0f, 1.0f, true, IVec3(7, -8, 0), tex2DArrayTexelFetchFloat, evalTexelFetch2DArray, BOTH),
1953 CASE_SPEC(isampler2darray, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, 0.0f, 0.0f), Vec4( 39.9f, 24.9f, 3.9f, 0.0f), false, 2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayTexelFetchInt, evalTexelFetch2DArray, BOTH),
1954 CASE_SPEC(usampler2darray, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4( 8.9f, 23.9f, 3.9f, 0.0f), false, 3.0f, 3.0f, true, IVec3(7, -8, 0), tex2DArrayTexelFetchUint, evalTexelFetch2DArray, BOTH),
1955
1956 CASE_SPEC(sampler3d_fixed, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, -3.0f, 0.0f),Vec4(71.9f, 24.9f, 28.9f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DTexelFetchFixed, evalTexelFetch3D, BOTH),
1957 CASE_SPEC(sampler3d_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, -3.0f, 8.0f, 0.0f),Vec4(24.9f, 12.9f, 23.9f, 0.0f), false, 1.0f, 1.0f, true, IVec3(7, 3, -8), tex3DTexelFetchFloat, evalTexelFetch3D, BOTH),
1958 CASE_SPEC(isampler3d, FUNCTION_TEXELFETCH, Vec4(-3.0f, 8.0f, -7.0f, 0.0f),Vec4(12.9f, 15.9f, 0.9f, 0.0f), false, 2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DTexelFetchInt, evalTexelFetch3D, BOTH),
1959 CASE_SPEC(usampler3d, FUNCTION_TEXELFETCH, Vec4( 8.0f, -7.0f, -3.0f, 0.0f),Vec4(71.9f, 24.9f, 28.9f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DTexelFetchUint, evalTexelFetch3D, BOTH)
1960 };
1961 createCaseGroup(this, "texelfetchoffset", "texelFetchOffset() Tests", texelFetchOffsetCases, DE_LENGTH_OF_ARRAY(texelFetchOffsetCases));
1962
1963 // textureSize() cases
1964 {
1965 struct TextureSizeCaseSpec
1966 {
1967 const char* name;
1968 const char* samplerName;
1969 TextureSpec textureSpec;
1970 } textureSizeCases[] =
1971 {
1972 { "sampler2d_fixed", "sampler2D", tex2DFixed },
1973 { "sampler2d_float", "sampler2D", tex2DFloat },
1974 { "isampler2d", "isampler2D", tex2DInt },
1975 { "usampler2d", "usampler2D", tex2DUint },
1976 { "sampler2dshadow", "sampler2DShadow", tex2DShadow },
1977 { "sampler3d_fixed", "sampler3D", tex3DFixed },
1978 { "sampler3d_float", "sampler3D", tex3DFloat },
1979 { "isampler3d", "isampler3D", tex3DInt },
1980 { "usampler3d", "usampler3D", tex3DUint },
1981 { "samplercube_fixed", "samplerCube", texCubeFixed },
1982 { "samplercube_float", "samplerCube", texCubeFloat },
1983 { "isamplercube", "isamplerCube", texCubeInt },
1984 { "usamplercube", "usamplerCube", texCubeUint },
1985 { "samplercubeshadow", "samplerCubeShadow", texCubeShadow },
1986 { "sampler2darray_fixed", "sampler2DArray", tex2DArrayFixed },
1987 { "sampler2darray_float", "sampler2DArray", tex2DArrayFloat },
1988 { "isampler2darray", "isampler2DArray", tex2DArrayInt },
1989 { "usampler2darray", "usampler2DArray", tex2DArrayUint },
1990 { "sampler2darrayshadow", "sampler2DArrayShadow", tex2DArrayShadow },
1991 };
1992
1993 tcu::TestCaseGroup* group = new tcu::TestCaseGroup(m_testCtx, "texturesize", "textureSize() Tests");
1994 addChild(group);
1995
1996 for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(textureSizeCases); ++ndx)
1997 {
1998 group->addChild(new TextureSizeCase(m_context, (std::string(textureSizeCases[ndx].name) + "_vertex").c_str(), "", textureSizeCases[ndx].samplerName, textureSizeCases[ndx].textureSpec, true));
1999 group->addChild(new TextureSizeCase(m_context, (std::string(textureSizeCases[ndx].name) + "_fragment").c_str(), "", textureSizeCases[ndx].samplerName, textureSizeCases[ndx].textureSpec, false));
2000 }
2001 }
2002
2003 // Negative cases.
2004 {
2005 gls::ShaderLibrary library(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo());
2006 std::vector<tcu::TestNode*> negativeCases = library.loadShaderFile("shaders/invalid_texture_functions.test");
2007
2008 tcu::TestCaseGroup* group = new tcu::TestCaseGroup(m_testCtx, "invalid", "Invalid texture function usage", negativeCases);
2009 addChild(group);
2010 }
2011 }
2012
2013 } // Functional
2014 } // gles3
2015 } // deqp
2016