1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.1 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 filtering tests.
22 *//*--------------------------------------------------------------------*/
23
24 #include "es31fTextureFilteringTests.hpp"
25
26 #include "glsTextureTestUtil.hpp"
27
28 #include "gluPixelTransfer.hpp"
29 #include "gluTexture.hpp"
30 #include "gluTextureUtil.hpp"
31
32 #include "tcuCommandLine.hpp"
33 #include "tcuTextureUtil.hpp"
34 #include "tcuImageCompare.hpp"
35 #include "tcuTexLookupVerifier.hpp"
36 #include "tcuVectorUtil.hpp"
37
38 #include "deStringUtil.hpp"
39 #include "deString.h"
40
41 #include "glwFunctions.hpp"
42 #include "glwEnums.hpp"
43
44 namespace deqp
45 {
46 namespace gles31
47 {
48 namespace Functional
49 {
50
51 using std::vector;
52 using std::string;
53 using tcu::TestLog;
54 using namespace gls::TextureTestUtil;
55
getFaceDesc(const tcu::CubeFace face)56 static const char* getFaceDesc (const tcu::CubeFace face)
57 {
58 switch (face)
59 {
60 case tcu::CUBEFACE_NEGATIVE_X: return "-X";
61 case tcu::CUBEFACE_POSITIVE_X: return "+X";
62 case tcu::CUBEFACE_NEGATIVE_Y: return "-Y";
63 case tcu::CUBEFACE_POSITIVE_Y: return "+Y";
64 case tcu::CUBEFACE_NEGATIVE_Z: return "-Z";
65 case tcu::CUBEFACE_POSITIVE_Z: return "+Z";
66 default:
67 DE_ASSERT(false);
68 return DE_NULL;
69 }
70 }
71
logCubeArrayTexCoords(TestLog & log,vector<float> & texCoord)72 static void logCubeArrayTexCoords(TestLog& log, vector<float>& texCoord)
73 {
74 const size_t numVerts = texCoord.size() / 4;
75
76 DE_ASSERT(texCoord.size() % 4 == 0);
77
78 for (size_t vertNdx = 0; vertNdx < numVerts; vertNdx++)
79 {
80 const size_t coordNdx = vertNdx * 4;
81
82 const float u = texCoord[coordNdx + 0];
83 const float v = texCoord[coordNdx + 1];
84 const float w = texCoord[coordNdx + 2];
85 const float q = texCoord[coordNdx + 3];
86
87 log << TestLog::Message
88 << vertNdx << ": ("
89 << u << ", "
90 << v << ", "
91 << w << ", "
92 << q << ")"
93 << TestLog::EndMessage;
94 }
95 }
96
97 // Cube map array filtering
98
99 class TextureCubeArrayFilteringCase : public TestCase
100 {
101 public:
102 TextureCubeArrayFilteringCase (Context& context,
103 const char* name,
104 const char* desc,
105 deUint32 minFilter,
106 deUint32 magFilter,
107 deUint32 wrapS,
108 deUint32 wrapT,
109 deUint32 internalFormat,
110 int size,
111 int depth,
112 bool onlySampleFaceInterior = false);
113
114 ~TextureCubeArrayFilteringCase (void);
115
116 void init (void);
117 void deinit (void);
118 IterateResult iterate (void);
119
120 private:
121 TextureCubeArrayFilteringCase (const TextureCubeArrayFilteringCase&);
122 TextureCubeArrayFilteringCase& operator= (const TextureCubeArrayFilteringCase&);
123
124 const deUint32 m_minFilter;
125 const deUint32 m_magFilter;
126 const deUint32 m_wrapS;
127 const deUint32 m_wrapT;
128
129 const deUint32 m_internalFormat;
130 const int m_size;
131 const int m_depth;
132
133 const bool m_onlySampleFaceInterior; //!< If true, we avoid sampling anywhere near a face's edges.
134
135 struct FilterCase
136 {
137 const glu::TextureCubeArray* texture;
138 tcu::Vec2 bottomLeft;
139 tcu::Vec2 topRight;
140 tcu::Vec2 layerRange;
141
FilterCasedeqp::gles31::Functional::TextureCubeArrayFilteringCase::FilterCase142 FilterCase (void)
143 : texture(DE_NULL)
144 {
145 }
146
FilterCasedeqp::gles31::Functional::TextureCubeArrayFilteringCase::FilterCase147 FilterCase (const glu::TextureCubeArray* tex_, const tcu::Vec2& bottomLeft_, const tcu::Vec2& topRight_, const tcu::Vec2& layerRange_)
148 : texture (tex_)
149 , bottomLeft (bottomLeft_)
150 , topRight (topRight_)
151 , layerRange (layerRange_)
152 {
153 }
154 };
155
156 glu::TextureCubeArray* m_gradientTex;
157 glu::TextureCubeArray* m_gridTex;
158
159 TextureRenderer m_renderer;
160
161 std::vector<FilterCase> m_cases;
162 int m_caseNdx;
163 };
164
TextureCubeArrayFilteringCase(Context & context,const char * name,const char * desc,deUint32 minFilter,deUint32 magFilter,deUint32 wrapS,deUint32 wrapT,deUint32 internalFormat,int size,int depth,bool onlySampleFaceInterior)165 TextureCubeArrayFilteringCase::TextureCubeArrayFilteringCase (Context& context,
166 const char* name,
167 const char* desc,
168 deUint32 minFilter,
169 deUint32 magFilter,
170 deUint32 wrapS,
171 deUint32 wrapT,
172 deUint32 internalFormat,
173 int size,
174 int depth,
175 bool onlySampleFaceInterior)
176 : TestCase (context, name, desc)
177 , m_minFilter (minFilter)
178 , m_magFilter (magFilter)
179 , m_wrapS (wrapS)
180 , m_wrapT (wrapT)
181 , m_internalFormat (internalFormat)
182 , m_size (size)
183 , m_depth (depth)
184 , m_onlySampleFaceInterior (onlySampleFaceInterior)
185 , m_gradientTex (DE_NULL)
186 , m_gridTex (DE_NULL)
187 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_310_ES, glu::PRECISION_HIGHP)
188 , m_caseNdx (0)
189 {
190 }
191
~TextureCubeArrayFilteringCase(void)192 TextureCubeArrayFilteringCase::~TextureCubeArrayFilteringCase (void)
193 {
194 TextureCubeArrayFilteringCase::deinit();
195 }
196
init(void)197 void TextureCubeArrayFilteringCase::init (void)
198 {
199 if (!m_context.getContextInfo().isExtensionSupported("GL_EXT_texture_cube_map_array"))
200 throw tcu::NotSupportedError("GL_EXT_texture_cube_map_array not supported");
201
202 try
203 {
204 const tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_internalFormat);
205 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
206 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
207 const tcu::Vec4 cBias = fmtInfo.valueMin;
208 const int numLevels = deLog2Floor32(m_size) + 1;
209 const int numLayers = m_depth / 6;
210
211 // Create textures.
212 m_gradientTex = new glu::TextureCubeArray(m_context.getRenderContext(), m_internalFormat, m_size, m_depth);
213 m_gridTex = new glu::TextureCubeArray(m_context.getRenderContext(), m_internalFormat, m_size, m_depth);
214
215 const tcu::IVec4 levelSwz[] =
216 {
217 tcu::IVec4(0,1,2,3),
218 tcu::IVec4(2,1,3,0),
219 tcu::IVec4(3,0,1,2),
220 tcu::IVec4(1,3,2,0),
221 };
222
223 // Fill first gradient texture (gradient direction varies between layers).
224 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
225 {
226 m_gradientTex->getRefTexture().allocLevel(levelNdx);
227
228 const tcu::PixelBufferAccess levelBuf = m_gradientTex->getRefTexture().getLevel(levelNdx);
229
230 for (int layerFaceNdx = 0; layerFaceNdx < m_depth; layerFaceNdx++)
231 {
232 const tcu::IVec4 swz = levelSwz[layerFaceNdx % DE_LENGTH_OF_ARRAY(levelSwz)];
233 const tcu::Vec4 gMin = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f).swizzle(swz[0],swz[1],swz[2],swz[3])*cScale + cBias;
234 const tcu::Vec4 gMax = tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f).swizzle(swz[0],swz[1],swz[2],swz[3])*cScale + cBias;
235
236 tcu::fillWithComponentGradients(tcu::getSubregion(levelBuf, 0, 0, layerFaceNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1), gMin, gMax);
237 }
238 }
239
240 // Fill second with grid texture (each layer has unique colors).
241 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
242 {
243 m_gridTex->getRefTexture().allocLevel(levelNdx);
244
245 const tcu::PixelBufferAccess levelBuf = m_gridTex->getRefTexture().getLevel(levelNdx);
246
247 for (int layerFaceNdx = 0; layerFaceNdx < m_depth; layerFaceNdx++)
248 {
249 const deUint32 step = 0x00ffffff / (numLevels*m_depth - 1);
250 const deUint32 rgb = step * (levelNdx + layerFaceNdx*numLevels);
251 const deUint32 colorA = 0xff000000 | rgb;
252 const deUint32 colorB = 0xff000000 | ~rgb;
253
254 tcu::fillWithGrid(tcu::getSubregion(levelBuf, 0, 0, layerFaceNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1),
255 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
256 }
257 }
258
259 // Upload.
260 m_gradientTex->upload();
261 m_gridTex->upload();
262
263 // Test cases
264 {
265 const glu::TextureCubeArray* const tex0 = m_gradientTex;
266 const glu::TextureCubeArray* const tex1 = m_gridTex;
267
268 if (m_onlySampleFaceInterior)
269 {
270 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f), tcu::Vec2(-0.5f, float(numLayers)+0.5f))); // minification
271 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.5f, 0.65f), tcu::Vec2(0.8f, 0.8f), tcu::Vec2(-0.5f, float(numLayers)+0.5f))); // magnification
272 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f), tcu::Vec2(float(numLayers)+0.5f, -0.5f))); // minification
273 m_cases.push_back(FilterCase(tex1, tcu::Vec2(0.2f, 0.2f), tcu::Vec2(0.6f, 0.5f), tcu::Vec2(float(numLayers)+0.5f, -0.5f))); // magnification
274 }
275 else
276 {
277 const bool isSingleSample = (m_context.getRenderTarget().getNumSamples() == 0);
278
279 // minification - w/ tweak to avoid hitting triangle edges with a face switchpoint in multisample configs
280 if (isSingleSample)
281 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-1.25f, -1.2f), tcu::Vec2(1.2f, 1.25f), tcu::Vec2(-0.5f, float(numLayers)+0.5f)));
282 else
283 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f), tcu::Vec2(-0.5f, float(numLayers)+0.5f)));
284
285 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.8f, 0.8f), tcu::Vec2(1.25f, 1.20f), tcu::Vec2(-0.5f, float(numLayers)+0.5f))); // magnification
286 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f), tcu::Vec2(float(numLayers)+0.5f, -0.5f))); // minification
287 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.2f, -1.1f), tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(float(numLayers)+0.5f, -0.5f))); // magnification
288
289 // Layer rounding - only in single-sample configs as multisample configs may produce smooth transition at the middle.
290 if (isSingleSample && (numLayers > 1))
291 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-2.0f, -1.5f ), tcu::Vec2(-0.1f, 0.9f), tcu::Vec2(1.50001f, 1.49999f)));
292 }
293 }
294
295 m_caseNdx = 0;
296 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
297 }
298 catch (...)
299 {
300 // Clean up to save memory.
301 TextureCubeArrayFilteringCase::deinit();
302 throw;
303 }
304 }
305
deinit(void)306 void TextureCubeArrayFilteringCase::deinit (void)
307 {
308 delete m_gradientTex;
309 delete m_gridTex;
310
311 m_gradientTex = DE_NULL;
312 m_gridTex = DE_NULL;
313
314 m_renderer.clear();
315 m_cases.clear();
316 }
317
iterate(void)318 TextureCubeArrayFilteringCase::IterateResult TextureCubeArrayFilteringCase::iterate (void)
319 {
320 TestLog& log = m_testCtx.getLog();
321 const glu::RenderContext& renderCtx = m_context.getRenderContext();
322 const glw::Functions& gl = renderCtx.getFunctions();
323 const int viewportSize = 28;
324 const deUint32 randomSeed = deStringHash(getName()) ^ deInt32Hash(m_caseNdx) ^ m_testCtx.getCommandLine().getBaseSeed();
325 const RandomViewport viewport (m_context.getRenderTarget(), viewportSize, viewportSize, randomSeed);
326 const FilterCase& curCase = m_cases[m_caseNdx];
327 const tcu::TextureFormat texFmt = curCase.texture->getRefTexture().getFormat();
328 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
329 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
330 ReferenceParams refParams (TEXTURETYPE_CUBE_ARRAY);
331
332 if (viewport.width < viewportSize || viewport.height < viewportSize)
333 throw tcu::NotSupportedError("Render target too small", "", __FILE__, __LINE__);
334
335 // Params for reference computation.
336 refParams.sampler = glu::mapGLSampler(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, m_minFilter, m_magFilter);
337 refParams.sampler.seamlessCubeMap = true;
338 refParams.samplerType = getSamplerType(texFmt);
339 refParams.colorBias = fmtInfo.lookupBias;
340 refParams.colorScale = fmtInfo.lookupScale;
341 refParams.lodMode = LODMODE_EXACT;
342
343 gl.bindTexture (GL_TEXTURE_CUBE_MAP_ARRAY, curCase.texture->getGLTexture());
344 gl.texParameteri(GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_MIN_FILTER, m_minFilter);
345 gl.texParameteri(GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_MAG_FILTER, m_magFilter);
346 gl.texParameteri(GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_WRAP_S, m_wrapS);
347 gl.texParameteri(GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_WRAP_T, m_wrapT);
348
349 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
350
351 m_testCtx.getLog() << TestLog::Message << "Coordinates: " << curCase.bottomLeft << " -> " << curCase.topRight << TestLog::EndMessage;
352
353 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++)
354 {
355 const tcu::CubeFace face = tcu::CubeFace(faceNdx);
356 tcu::Surface result (viewport.width, viewport.height);
357 vector<float> texCoord;
358
359 computeQuadTexCoordCubeArray(texCoord, face, curCase.bottomLeft, curCase.topRight, curCase.layerRange);
360
361 log << TestLog::Message << "Face " << getFaceDesc(face) << TestLog::EndMessage;
362
363 log << TestLog::Message << "Texture coordinates:" << TestLog::EndMessage;
364
365 logCubeArrayTexCoords(log, texCoord);
366
367 m_renderer.renderQuad(0, &texCoord[0], refParams);
368 GLU_EXPECT_NO_ERROR(gl.getError(), "Draw");
369
370 glu::readPixels(renderCtx, viewport.x, viewport.y, result.getAccess());
371 GLU_EXPECT_NO_ERROR(gl.getError(), "Read pixels");
372
373 {
374 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
375 const tcu::PixelFormat pixelFormat = renderCtx.getRenderTarget().getPixelFormat();
376 const tcu::IVec4 coordBits = tcu::IVec4(10);
377 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
378 tcu::LodPrecision lodPrecision;
379 tcu::LookupPrecision lookupPrecision;
380
381 lodPrecision.derivateBits = 10;
382 lodPrecision.lodBits = 5;
383 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
384 lookupPrecision.coordBits = coordBits.toWidth<3>();
385 lookupPrecision.uvwBits = tcu::IVec3(6);
386 lookupPrecision.colorMask = getCompareMask(pixelFormat);
387
388 const bool isHighQuality = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
389 &texCoord[0], refParams, lookupPrecision, coordBits, lodPrecision, pixelFormat);
390
391 if (!isHighQuality)
392 {
393 // Evaluate against lower precision requirements.
394 lodPrecision.lodBits = 4;
395 lookupPrecision.uvwBits = tcu::IVec3(4);
396
397 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
398
399 const bool isOk = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
400 &texCoord[0], refParams, lookupPrecision, coordBits, lodPrecision, pixelFormat);
401
402 if (!isOk)
403 {
404 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
405 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
406 }
407 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
408 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
409 }
410 }
411 }
412
413 m_caseNdx += 1;
414 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
415 }
416
TextureFilteringTests(Context & context)417 TextureFilteringTests::TextureFilteringTests (Context& context)
418 : TestCaseGroup(context, "filtering", "Texture Filtering Tests")
419 {
420 }
421
~TextureFilteringTests(void)422 TextureFilteringTests::~TextureFilteringTests (void)
423 {
424 }
425
init(void)426 void TextureFilteringTests::init (void)
427 {
428 static const struct
429 {
430 const char* name;
431 deUint32 mode;
432 } wrapModes[] =
433 {
434 { "clamp", GL_CLAMP_TO_EDGE },
435 { "repeat", GL_REPEAT },
436 { "mirror", GL_MIRRORED_REPEAT }
437 };
438
439 static const struct
440 {
441 const char* name;
442 deUint32 mode;
443 } minFilterModes[] =
444 {
445 { "nearest", GL_NEAREST },
446 { "linear", GL_LINEAR },
447 { "nearest_mipmap_nearest", GL_NEAREST_MIPMAP_NEAREST },
448 { "linear_mipmap_nearest", GL_LINEAR_MIPMAP_NEAREST },
449 { "nearest_mipmap_linear", GL_NEAREST_MIPMAP_LINEAR },
450 { "linear_mipmap_linear", GL_LINEAR_MIPMAP_LINEAR }
451 };
452
453 static const struct
454 {
455 const char* name;
456 deUint32 mode;
457 } magFilterModes[] =
458 {
459 { "nearest", GL_NEAREST },
460 { "linear", GL_LINEAR }
461 };
462
463 static const struct
464 {
465 int size;
466 int depth;
467 } sizesCubeArray[] =
468 {
469 { 8, 6 },
470 { 64, 12 },
471 { 128, 12 },
472 { 7, 12 },
473 { 63, 18 }
474 };
475
476 static const struct
477 {
478 const char* name;
479 deUint32 format;
480 } filterableFormatsByType[] =
481 {
482 { "rgba16f", GL_RGBA16F },
483 { "r11f_g11f_b10f", GL_R11F_G11F_B10F },
484 { "rgb9_e5", GL_RGB9_E5 },
485 { "rgba8", GL_RGBA8 },
486 { "rgba8_snorm", GL_RGBA8_SNORM },
487 { "rgb565", GL_RGB565 },
488 { "rgba4", GL_RGBA4 },
489 { "rgb5_a1", GL_RGB5_A1 },
490 { "srgb8_alpha8", GL_SRGB8_ALPHA8 },
491 { "rgb10_a2", GL_RGB10_A2 }
492 };
493
494 // Cube map array texture filtering.
495 {
496 tcu::TestCaseGroup* const groupCubeArray = new tcu::TestCaseGroup(m_testCtx, "cube_array", "Cube Map Array Texture Filtering");
497 addChild(groupCubeArray);
498
499 // Formats.
500 {
501 tcu::TestCaseGroup* const formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "Cube Map Array Texture Formats");
502 groupCubeArray->addChild(formatsGroup);
503
504 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
505 {
506 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
507 {
508 const deUint32 minFilter = minFilterModes[filterNdx].mode;
509 const char* filterName = minFilterModes[filterNdx].name;
510 const deUint32 format = filterableFormatsByType[fmtNdx].format;
511 const char* formatName = filterableFormatsByType[fmtNdx].name;
512 const bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
513 const deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
514 const string name = string(formatName) + "_" + filterName;
515 const deUint32 wrapS = GL_REPEAT;
516 const deUint32 wrapT = GL_REPEAT;
517 const int size = 64;
518 const int depth = 12;
519
520 formatsGroup->addChild(new TextureCubeArrayFilteringCase(m_context,
521 name.c_str(), "",
522 minFilter, magFilter,
523 wrapS, wrapT,
524 format,
525 size, depth));
526 }
527 }
528 }
529
530 // Sizes.
531 {
532 tcu::TestCaseGroup* const sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
533 groupCubeArray->addChild(sizesGroup);
534
535 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizesCubeArray); sizeNdx++)
536 {
537 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
538 {
539 const deUint32 minFilter = minFilterModes[filterNdx].mode;
540 const char* filterName = minFilterModes[filterNdx].name;
541 const deUint32 format = GL_RGBA8;
542 const bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
543 const deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
544 const deUint32 wrapS = GL_REPEAT;
545 const deUint32 wrapT = GL_REPEAT;
546 const int size = sizesCubeArray[sizeNdx].size;
547 const int depth = sizesCubeArray[sizeNdx].depth;
548 const string name = de::toString(size) + "x" + de::toString(size) + "x" + de::toString(depth) + "_" + filterName;
549
550 sizesGroup->addChild(new TextureCubeArrayFilteringCase(m_context,
551 name.c_str(), "",
552 minFilter, magFilter,
553 wrapS, wrapT,
554 format,
555 size, depth));
556 }
557 }
558 }
559
560 // Wrap modes.
561 {
562 tcu::TestCaseGroup* const combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
563 groupCubeArray->addChild(combinationsGroup);
564
565 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
566 {
567 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
568 {
569 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
570 {
571 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
572 {
573 const deUint32 minFilter = minFilterModes[minFilterNdx].mode;
574 const deUint32 magFilter = magFilterModes[magFilterNdx].mode;
575 const deUint32 format = GL_RGBA8;
576 const deUint32 wrapS = wrapModes[wrapSNdx].mode;
577 const deUint32 wrapT = wrapModes[wrapTNdx].mode;
578 const int size = 63;
579 const int depth = 12;
580 const string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
581
582 combinationsGroup->addChild(new TextureCubeArrayFilteringCase(m_context,
583 name.c_str(), "",
584 minFilter, magFilter,
585 wrapS, wrapT,
586 format,
587 size, depth));
588 }
589 }
590 }
591 }
592 }
593
594 // Cases with no visible cube edges.
595 {
596 tcu::TestCaseGroup* const onlyFaceInteriorGroup = new tcu::TestCaseGroup(m_testCtx, "no_edges_visible", "Don't sample anywhere near a face's edges");
597 groupCubeArray->addChild(onlyFaceInteriorGroup);
598
599 for (int isLinearI = 0; isLinearI <= 1; isLinearI++)
600 {
601 const bool isLinear = isLinearI != 0;
602 const deUint32 filter = isLinear ? GL_LINEAR : GL_NEAREST;
603
604 onlyFaceInteriorGroup->addChild(new TextureCubeArrayFilteringCase(m_context,
605 isLinear ? "linear" : "nearest", "",
606 filter, filter,
607 GL_REPEAT, GL_REPEAT,
608 GL_RGBA8,
609 63, 12,
610 true));
611 }
612 }
613 }
614 }
615
616 } // Functional
617 } // gles31
618 } // deqp
619