1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program OpenGL ES 3.0 Module
3 * -------------------------------------------------
5 * Copyright 2014 The Android Open Source Project
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 * \brief Texture filtering tests.
22 *//*--------------------------------------------------------------------*/
24 #include "es3fTextureFilteringTests.hpp"
25 #include "glsTextureTestUtil.hpp"
26 #include "gluPixelTransfer.hpp"
27 #include "gluTexture.hpp"
28 #include "gluTextureUtil.hpp"
29 #include "tcuTextureUtil.hpp"
30 #include "tcuImageCompare.hpp"
31 #include "tcuTexLookupVerifier.hpp"
32 #include "tcuVectorUtil.hpp"
33 #include "deStringUtil.hpp"
35 #include "glwFunctions.hpp"
36 #include "glwEnums.hpp"
48 using namespace gls::TextureTestUtil;
49 using namespace glu::TextureTestUtil;
53 TEX2D_VIEWPORT_WIDTH = 64,
54 TEX2D_VIEWPORT_HEIGHT = 64,
55 TEX2D_MIN_VIEWPORT_WIDTH = 64,
56 TEX2D_MIN_VIEWPORT_HEIGHT = 64,
58 TEX3D_VIEWPORT_WIDTH = 64,
59 TEX3D_VIEWPORT_HEIGHT = 64,
60 TEX3D_MIN_VIEWPORT_WIDTH = 64,
61 TEX3D_MIN_VIEWPORT_HEIGHT = 64
64 class Texture2DFilteringCase : public tcu::TestCase
67 Texture2DFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 internalFormat, int width, int height);
68 Texture2DFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, const std::vector<std::string>& filenames);
69 ~Texture2DFilteringCase (void);
73 IterateResult iterate (void);
76 Texture2DFilteringCase (const Texture2DFilteringCase& other);
77 Texture2DFilteringCase& operator= (const Texture2DFilteringCase& other);
79 glu::RenderContext& m_renderCtx;
80 const glu::ContextInfo& m_renderCtxInfo;
82 const deUint32 m_minFilter;
83 const deUint32 m_magFilter;
84 const deUint32 m_wrapS;
85 const deUint32 m_wrapT;
87 const deUint32 m_internalFormat;
91 const std::vector<std::string> m_filenames;
95 const glu::Texture2D* texture;
104 FilterCase (const glu::Texture2D* tex_, const tcu::Vec2& minCoord_, const tcu::Vec2& maxCoord_)
106 , minCoord (minCoord_)
107 , maxCoord (maxCoord_)
112 std::vector<glu::Texture2D*> m_textures;
113 std::vector<FilterCase> m_cases;
115 TextureRenderer m_renderer;
120 Texture2DFilteringCase::Texture2DFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 internalFormat, int width, int height)
121 : TestCase (testCtx, name, desc)
122 , m_renderCtx (renderCtx)
123 , m_renderCtxInfo (ctxInfo)
124 , m_minFilter (minFilter)
125 , m_magFilter (magFilter)
128 , m_internalFormat (internalFormat)
131 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
136 Texture2DFilteringCase::Texture2DFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, const std::vector<std::string>& filenames)
137 : TestCase (testCtx, name, desc)
138 , m_renderCtx (renderCtx)
139 , m_renderCtxInfo (ctxInfo)
140 , m_minFilter (minFilter)
141 , m_magFilter (magFilter)
144 , m_internalFormat (GL_NONE)
147 , m_filenames (filenames)
148 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
153 Texture2DFilteringCase::~Texture2DFilteringCase (void)
158 void Texture2DFilteringCase::init (void)
162 if (!m_filenames.empty())
164 m_textures.reserve(1);
165 m_textures.push_back(glu::Texture2D::create(m_renderCtx, m_renderCtxInfo, m_testCtx.getArchive(), (int)m_filenames.size(), m_filenames));
169 // Create 2 textures.
170 m_textures.reserve(2);
171 for (int ndx = 0; ndx < 2; ndx++)
172 m_textures.push_back(new glu::Texture2D(m_renderCtx, m_internalFormat, m_width, m_height));
174 const bool mipmaps = true;
175 const int numLevels = mipmaps ? deLog2Floor32(de::max(m_width, m_height))+1 : 1;
176 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(m_textures[0]->getRefTexture().getFormat());
177 const tcu::Vec4 cBias = fmtInfo.valueMin;
178 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
180 // Fill first gradient texture.
181 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
183 tcu::Vec4 gMin = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)*cScale + cBias;
184 tcu::Vec4 gMax = tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)*cScale + cBias;
186 m_textures[0]->getRefTexture().allocLevel(levelNdx);
187 tcu::fillWithComponentGradients(m_textures[0]->getRefTexture().getLevel(levelNdx), gMin, gMax);
190 // Fill second with grid texture.
191 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
193 deUint32 step = 0x00ffffff / numLevels;
194 deUint32 rgb = step*levelNdx;
195 deUint32 colorA = 0xff000000 | rgb;
196 deUint32 colorB = 0xff000000 | ~rgb;
198 m_textures[1]->getRefTexture().allocLevel(levelNdx);
199 tcu::fillWithGrid(m_textures[1]->getRefTexture().getLevel(levelNdx), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
203 for (std::vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
218 { 0, 1.6f, 2.9f, -1.0f, -2.7f },
219 { 0, -2.0f, -1.35f, -0.2f, 0.7f },
220 { 1, 0.14f, 0.275f, -1.5f, -1.1f },
221 { 1, -0.92f, -2.64f, 0.4f, -0.1f },
224 const float viewportW = (float)de::min<int>(TEX2D_VIEWPORT_WIDTH, m_renderCtx.getRenderTarget().getWidth());
225 const float viewportH = (float)de::min<int>(TEX2D_VIEWPORT_HEIGHT, m_renderCtx.getRenderTarget().getHeight());
227 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++)
229 const int texNdx = de::clamp(cases[caseNdx].texNdx, 0, (int)m_textures.size()-1);
230 const float lodX = cases[caseNdx].lodX;
231 const float lodY = cases[caseNdx].lodY;
232 const float oX = cases[caseNdx].oX;
233 const float oY = cases[caseNdx].oY;
234 const float sX = deFloatExp2(lodX)*viewportW / float(m_textures[texNdx]->getRefTexture().getWidth());
235 const float sY = deFloatExp2(lodY)*viewportH / float(m_textures[texNdx]->getRefTexture().getHeight());
237 m_cases.push_back(FilterCase(m_textures[texNdx], tcu::Vec2(oX, oY), tcu::Vec2(oX+sX, oY+sY)));
242 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
246 // Clean up to save memory.
247 Texture2DFilteringCase::deinit();
252 void Texture2DFilteringCase::deinit (void)
254 for (std::vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
262 Texture2DFilteringCase::IterateResult Texture2DFilteringCase::iterate (void)
264 const glw::Functions& gl = m_renderCtx.getFunctions();
265 const RandomViewport viewport (m_renderCtx.getRenderTarget(), TEX2D_VIEWPORT_WIDTH, TEX2D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
266 const tcu::TextureFormat texFmt = m_textures[0]->getRefTexture().getFormat();
267 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
268 const FilterCase& curCase = m_cases[m_caseNdx];
269 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
270 ReferenceParams refParams (TEXTURETYPE_2D);
271 tcu::Surface rendered (viewport.width, viewport.height);
272 vector<float> texCoord;
274 if (viewport.width < TEX2D_MIN_VIEWPORT_WIDTH || viewport.height < TEX2D_MIN_VIEWPORT_HEIGHT)
275 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
277 // Setup params for reference.
278 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_minFilter, m_magFilter);
279 refParams.samplerType = getSamplerType(texFmt);
280 refParams.lodMode = LODMODE_EXACT;
281 refParams.colorBias = fmtInfo.lookupBias;
282 refParams.colorScale = fmtInfo.lookupScale;
284 // Compute texture coordinates.
285 m_testCtx.getLog() << TestLog::Message << "Texture coordinates: " << curCase.minCoord << " -> " << curCase.maxCoord << TestLog::EndMessage;
286 computeQuadTexCoord2D(texCoord, curCase.minCoord, curCase.maxCoord);
288 gl.bindTexture (GL_TEXTURE_2D, curCase.texture->getGLTexture());
289 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_minFilter);
290 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, m_magFilter);
291 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_wrapS);
292 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_wrapT);
294 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
295 m_renderer.renderQuad(0, &texCoord[0], refParams);
296 glu::readPixels(m_renderCtx, viewport.x, viewport.y, rendered.getAccess());
299 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
300 const tcu::PixelFormat pixelFormat = m_renderCtx.getRenderTarget().getPixelFormat();
301 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
302 tcu::LodPrecision lodPrecision;
303 tcu::LookupPrecision lookupPrecision;
305 lodPrecision.derivateBits = 18;
306 lodPrecision.lodBits = 6;
307 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
308 lookupPrecision.coordBits = tcu::IVec3(20,20,0);
309 lookupPrecision.uvwBits = tcu::IVec3(7,7,0);
310 lookupPrecision.colorMask = getCompareMask(pixelFormat);
312 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
313 &texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
317 // Evaluate against lower precision requirements.
318 lodPrecision.lodBits = 4;
319 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
321 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
323 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
324 &texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
328 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
329 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
331 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
332 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
337 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
340 class TextureCubeFilteringCase : public tcu::TestCase
343 TextureCubeFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, bool onlySampleFaceInterior, deUint32 internalFormat, int width, int height);
344 TextureCubeFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, bool onlySampleFaceInterior, const std::vector<std::string>& filenames);
345 ~TextureCubeFilteringCase (void);
349 IterateResult iterate (void);
352 TextureCubeFilteringCase (const TextureCubeFilteringCase& other);
353 TextureCubeFilteringCase& operator= (const TextureCubeFilteringCase& other);
355 glu::RenderContext& m_renderCtx;
356 const glu::ContextInfo& m_renderCtxInfo;
358 const deUint32 m_minFilter;
359 const deUint32 m_magFilter;
360 const deUint32 m_wrapS;
361 const deUint32 m_wrapT;
362 const bool m_onlySampleFaceInterior; //!< If true, we avoid sampling anywhere near a face's edges.
364 const deUint32 m_internalFormat;
368 const std::vector<std::string> m_filenames;
372 const glu::TextureCube* texture;
373 tcu::Vec2 bottomLeft;
381 FilterCase (const glu::TextureCube* tex_, const tcu::Vec2& bottomLeft_, const tcu::Vec2& topRight_)
383 , bottomLeft(bottomLeft_)
384 , topRight (topRight_)
389 std::vector<glu::TextureCube*> m_textures;
390 std::vector<FilterCase> m_cases;
392 TextureRenderer m_renderer;
397 TextureCubeFilteringCase::TextureCubeFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, bool onlySampleFaceInterior, deUint32 internalFormat, int width, int height)
398 : TestCase (testCtx, name, desc)
399 , m_renderCtx (renderCtx)
400 , m_renderCtxInfo (ctxInfo)
401 , m_minFilter (minFilter)
402 , m_magFilter (magFilter)
405 , m_onlySampleFaceInterior (onlySampleFaceInterior)
406 , m_internalFormat (internalFormat)
409 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
414 TextureCubeFilteringCase::TextureCubeFilteringCase (tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const glu::ContextInfo& ctxInfo, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, bool onlySampleFaceInterior, const std::vector<std::string>& filenames)
415 : TestCase (testCtx, name, desc)
416 , m_renderCtx (renderCtx)
417 , m_renderCtxInfo (ctxInfo)
418 , m_minFilter (minFilter)
419 , m_magFilter (magFilter)
422 , m_onlySampleFaceInterior (onlySampleFaceInterior)
423 , m_internalFormat (GL_NONE)
426 , m_filenames (filenames)
427 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
432 TextureCubeFilteringCase::~TextureCubeFilteringCase (void)
437 void TextureCubeFilteringCase::init (void)
441 if (!m_filenames.empty())
443 m_textures.reserve(1);
444 m_textures.push_back(glu::TextureCube::create(m_renderCtx, m_renderCtxInfo, m_testCtx.getArchive(), (int)m_filenames.size() / 6, m_filenames));
448 DE_ASSERT(m_width == m_height);
449 m_textures.reserve(2);
450 for (int ndx = 0; ndx < 2; ndx++)
451 m_textures.push_back(new glu::TextureCube(m_renderCtx, m_internalFormat, m_width));
453 const int numLevels = deLog2Floor32(de::max(m_width, m_height))+1;
454 tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(m_textures[0]->getRefTexture().getFormat());
455 tcu::Vec4 cBias = fmtInfo.valueMin;
456 tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
458 // Fill first with gradient texture.
459 static const tcu::Vec4 gradients[tcu::CUBEFACE_LAST][2] =
461 { tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative x
462 { tcu::Vec4(0.5f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive x
463 { tcu::Vec4(0.0f, 0.5f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative y
464 { tcu::Vec4(0.0f, 0.0f, 0.5f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive y
465 { tcu::Vec4(0.0f, 0.0f, 0.0f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f) }, // negative z
466 { tcu::Vec4(0.5f, 0.5f, 0.5f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) } // positive z
468 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
470 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
472 m_textures[0]->getRefTexture().allocLevel((tcu::CubeFace)face, levelNdx);
473 tcu::fillWithComponentGradients(m_textures[0]->getRefTexture().getLevelFace(levelNdx, (tcu::CubeFace)face), gradients[face][0]*cScale + cBias, gradients[face][1]*cScale + cBias);
477 // Fill second with grid texture.
478 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
480 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
482 deUint32 step = 0x00ffffff / (numLevels*tcu::CUBEFACE_LAST);
483 deUint32 rgb = step*levelNdx*face;
484 deUint32 colorA = 0xff000000 | rgb;
485 deUint32 colorB = 0xff000000 | ~rgb;
487 m_textures[1]->getRefTexture().allocLevel((tcu::CubeFace)face, levelNdx);
488 tcu::fillWithGrid(m_textures[1]->getRefTexture().getLevelFace(levelNdx, (tcu::CubeFace)face), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
493 for (std::vector<glu::TextureCube*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
499 const glu::TextureCube* tex0 = m_textures[0];
500 const glu::TextureCube* tex1 = m_textures.size() > 1 ? m_textures[1] : tex0;
502 if (m_onlySampleFaceInterior)
504 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f))); // minification
505 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.5f, 0.65f), tcu::Vec2(0.8f, 0.8f))); // magnification
506 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f))); // minification
507 m_cases.push_back(FilterCase(tex1, tcu::Vec2(0.2f, 0.2f), tcu::Vec2(0.6f, 0.5f))); // magnification
511 if (m_renderCtx.getRenderTarget().getNumSamples() == 0)
512 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-1.25f, -1.2f), tcu::Vec2(1.2f, 1.25f))); // minification
514 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f))); // minification - w/ tweak to avoid hitting triangle edges with face switchpoint
516 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.8f, 0.8f), tcu::Vec2(1.25f, 1.20f))); // magnification
517 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f))); // minification
518 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.2f, -1.1f), tcu::Vec2(-0.8f, -0.8f))); // magnification
523 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
527 // Clean up to save memory.
528 TextureCubeFilteringCase::deinit();
533 void TextureCubeFilteringCase::deinit (void)
535 for (std::vector<glu::TextureCube*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
543 static const char* getFaceDesc (const tcu::CubeFace face)
547 case tcu::CUBEFACE_NEGATIVE_X: return "-X";
548 case tcu::CUBEFACE_POSITIVE_X: return "+X";
549 case tcu::CUBEFACE_NEGATIVE_Y: return "-Y";
550 case tcu::CUBEFACE_POSITIVE_Y: return "+Y";
551 case tcu::CUBEFACE_NEGATIVE_Z: return "-Z";
552 case tcu::CUBEFACE_POSITIVE_Z: return "+Z";
559 TextureCubeFilteringCase::IterateResult TextureCubeFilteringCase::iterate (void)
561 const glw::Functions& gl = m_renderCtx.getFunctions();
562 const int viewportSize = 28;
563 const RandomViewport viewport (m_renderCtx.getRenderTarget(), viewportSize, viewportSize, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
564 const tcu::ScopedLogSection iterSection (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
565 const FilterCase& curCase = m_cases[m_caseNdx];
566 const tcu::TextureFormat& texFmt = curCase.texture->getRefTexture().getFormat();
567 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
568 ReferenceParams sampleParams (TEXTURETYPE_CUBE);
570 if (viewport.width < viewportSize || viewport.height < viewportSize)
571 throw tcu::NotSupportedError("Too small render target", DE_NULL, __FILE__, __LINE__);
574 gl.bindTexture (GL_TEXTURE_CUBE_MAP, curCase.texture->getGLTexture());
575 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, m_minFilter);
576 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, m_magFilter);
577 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, m_wrapS);
578 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, m_wrapT);
581 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
583 // Params for reference computation.
584 sampleParams.sampler = glu::mapGLSampler(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, m_minFilter, m_magFilter);
585 sampleParams.sampler.seamlessCubeMap = true;
586 sampleParams.samplerType = getSamplerType(texFmt);
587 sampleParams.colorBias = fmtInfo.lookupBias;
588 sampleParams.colorScale = fmtInfo.lookupScale;
589 sampleParams.lodMode = LODMODE_EXACT;
591 m_testCtx.getLog() << TestLog::Message << "Coordinates: " << curCase.bottomLeft << " -> " << curCase.topRight << TestLog::EndMessage;
593 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++)
595 const tcu::CubeFace face = tcu::CubeFace(faceNdx);
596 tcu::Surface result (viewport.width, viewport.height);
597 vector<float> texCoord;
599 computeQuadTexCoordCube(texCoord, face, curCase.bottomLeft, curCase.topRight);
601 m_testCtx.getLog() << TestLog::Message << "Face " << getFaceDesc(face) << TestLog::EndMessage;
603 // \todo Log texture coordinates.
605 m_renderer.renderQuad(0, &texCoord[0], sampleParams);
606 GLU_EXPECT_NO_ERROR(gl.getError(), "Draw");
608 glu::readPixels(m_renderCtx, viewport.x, viewport.y, result.getAccess());
609 GLU_EXPECT_NO_ERROR(gl.getError(), "Read pixels");
612 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
613 const tcu::PixelFormat pixelFormat = m_renderCtx.getRenderTarget().getPixelFormat();
614 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
615 tcu::LodPrecision lodPrecision;
616 tcu::LookupPrecision lookupPrecision;
618 lodPrecision.derivateBits = 10;
619 lodPrecision.lodBits = 5;
620 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / sampleParams.colorScale;
621 lookupPrecision.coordBits = tcu::IVec3(10,10,10);
622 lookupPrecision.uvwBits = tcu::IVec3(6,6,0);
623 lookupPrecision.colorMask = getCompareMask(pixelFormat);
625 const bool isHighQuality = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
626 &texCoord[0], sampleParams, lookupPrecision, lodPrecision, pixelFormat);
630 // Evaluate against lower precision requirements.
631 lodPrecision.lodBits = 4;
632 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
634 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
636 const bool isOk = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
637 &texCoord[0], sampleParams, lookupPrecision, lodPrecision, pixelFormat);
641 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
642 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
644 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
645 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
651 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
654 // 2D array filtering
656 class Texture2DArrayFilteringCase : public TestCase
659 Texture2DArrayFilteringCase (Context& context, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 internalFormat, int width, int height, int numLayers);
660 ~Texture2DArrayFilteringCase (void);
664 IterateResult iterate (void);
667 Texture2DArrayFilteringCase (const Texture2DArrayFilteringCase&);
668 Texture2DArrayFilteringCase& operator= (const Texture2DArrayFilteringCase&);
670 const deUint32 m_minFilter;
671 const deUint32 m_magFilter;
672 const deUint32 m_wrapS;
673 const deUint32 m_wrapT;
675 const deUint32 m_internalFormat;
678 const int m_numLayers;
682 const glu::Texture2DArray* texture;
685 tcu::Vec2 layerRange;
692 FilterCase (const glu::Texture2DArray* tex_, const tcu::Vec2& lod_, const tcu::Vec2& offset_, const tcu::Vec2& layerRange_)
696 , layerRange(layerRange_)
701 glu::Texture2DArray* m_gradientTex;
702 glu::Texture2DArray* m_gridTex;
704 TextureRenderer m_renderer;
706 std::vector<FilterCase> m_cases;
710 Texture2DArrayFilteringCase::Texture2DArrayFilteringCase (Context& context, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 internalFormat, int width, int height, int numLayers)
711 : TestCase (context, name, desc)
712 , m_minFilter (minFilter)
713 , m_magFilter (magFilter)
716 , m_internalFormat (internalFormat)
719 , m_numLayers (numLayers)
720 , m_gradientTex (DE_NULL)
721 , m_gridTex (DE_NULL)
722 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
727 Texture2DArrayFilteringCase::~Texture2DArrayFilteringCase (void)
729 Texture2DArrayFilteringCase::deinit();
732 void Texture2DArrayFilteringCase::init (void)
736 const tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_internalFormat);
737 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
738 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
739 const tcu::Vec4 cBias = fmtInfo.valueMin;
740 const int numLevels = deLog2Floor32(de::max(m_width, m_height)) + 1;
743 m_gradientTex = new glu::Texture2DArray(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_numLayers);
744 m_gridTex = new glu::Texture2DArray(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_numLayers);
746 const tcu::IVec4 levelSwz[] =
754 // Fill first gradient texture (gradient direction varies between layers).
755 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
757 m_gradientTex->getRefTexture().allocLevel(levelNdx);
759 const tcu::PixelBufferAccess levelBuf = m_gradientTex->getRefTexture().getLevel(levelNdx);
761 for (int layerNdx = 0; layerNdx < m_numLayers; layerNdx++)
763 const tcu::IVec4 swz = levelSwz[layerNdx%DE_LENGTH_OF_ARRAY(levelSwz)];
764 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;
765 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;
767 tcu::fillWithComponentGradients(tcu::getSubregion(levelBuf, 0, 0, layerNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1), gMin, gMax);
771 // Fill second with grid texture (each layer has unique colors).
772 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
774 m_gridTex->getRefTexture().allocLevel(levelNdx);
776 const tcu::PixelBufferAccess levelBuf = m_gridTex->getRefTexture().getLevel(levelNdx);
778 for (int layerNdx = 0; layerNdx < m_numLayers; layerNdx++)
780 const deUint32 step = 0x00ffffff / (numLevels*m_numLayers - 1);
781 const deUint32 rgb = step * (levelNdx + layerNdx*numLevels);
782 const deUint32 colorA = 0xff000000 | rgb;
783 const deUint32 colorB = 0xff000000 | ~rgb;
785 tcu::fillWithGrid(tcu::getSubregion(levelBuf, 0, 0, layerNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1),
786 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
791 m_gradientTex->upload();
795 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec2( 1.5f, 2.8f ), tcu::Vec2(-1.0f, -2.7f), tcu::Vec2(-0.5f, float(m_numLayers)+0.5f)));
796 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec2( 0.2f, 0.175f), tcu::Vec2(-2.0f, -3.7f), tcu::Vec2(-0.5f, float(m_numLayers)+0.5f)));
797 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec2(-0.8f, -2.3f ), tcu::Vec2( 0.2f, -0.1f), tcu::Vec2(float(m_numLayers)+0.5f, -0.5f)));
799 // Level rounding - only in single-sample configs as multisample configs may produce smooth transition at the middle.
800 if (m_context.getRenderTarget().getNumSamples() == 0)
801 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec2(-2.0f, -1.5f ), tcu::Vec2(-0.1f, 0.9f), tcu::Vec2(1.50001f, 1.49999f)));
804 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
808 // Clean up to save memory.
809 Texture2DArrayFilteringCase::deinit();
814 void Texture2DArrayFilteringCase::deinit (void)
816 delete m_gradientTex;
819 m_gradientTex = DE_NULL;
826 Texture2DArrayFilteringCase::IterateResult Texture2DArrayFilteringCase::iterate (void)
828 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
829 const RandomViewport viewport (m_context.getRenderTarget(), TEX3D_VIEWPORT_WIDTH, TEX3D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
830 const FilterCase& curCase = m_cases[m_caseNdx];
831 const tcu::TextureFormat texFmt = curCase.texture->getRefTexture().getFormat();
832 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
833 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
834 ReferenceParams refParams (TEXTURETYPE_2D_ARRAY);
835 tcu::Surface rendered (viewport.width, viewport.height);
836 tcu::Vec3 texCoord[4];
838 if (viewport.width < TEX3D_MIN_VIEWPORT_WIDTH || viewport.height < TEX3D_MIN_VIEWPORT_HEIGHT)
839 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
841 // Setup params for reference.
842 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_wrapT, m_minFilter, m_magFilter);
843 refParams.samplerType = getSamplerType(texFmt);
844 refParams.lodMode = LODMODE_EXACT;
845 refParams.colorBias = fmtInfo.lookupBias;
846 refParams.colorScale = fmtInfo.lookupScale;
848 // Compute texture coordinates.
849 m_testCtx.getLog() << TestLog::Message << "Approximate lod per axis = " << curCase.lod << ", offset = " << curCase.offset << TestLog::EndMessage;
852 const float lodX = curCase.lod.x();
853 const float lodY = curCase.lod.y();
854 const float oX = curCase.offset.x();
855 const float oY = curCase.offset.y();
856 const float sX = deFloatExp2(lodX)*float(viewport.width) / float(m_gradientTex->getRefTexture().getWidth());
857 const float sY = deFloatExp2(lodY)*float(viewport.height) / float(m_gradientTex->getRefTexture().getHeight());
858 const float l0 = curCase.layerRange.x();
859 const float l1 = curCase.layerRange.y();
861 texCoord[0] = tcu::Vec3(oX, oY, l0);
862 texCoord[1] = tcu::Vec3(oX, oY+sY, l0*0.5f + l1*0.5f);
863 texCoord[2] = tcu::Vec3(oX+sX, oY, l0*0.5f + l1*0.5f);
864 texCoord[3] = tcu::Vec3(oX+sX, oY+sY, l1);
867 gl.bindTexture (GL_TEXTURE_2D_ARRAY, curCase.texture->getGLTexture());
868 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, m_minFilter);
869 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, m_magFilter);
870 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, m_wrapS);
871 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, m_wrapT);
873 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
874 m_renderer.renderQuad(0, (const float*)&texCoord[0], refParams);
875 glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, rendered.getAccess());
878 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
879 const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat();
880 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
881 tcu::LodPrecision lodPrecision;
882 tcu::LookupPrecision lookupPrecision;
884 lodPrecision.derivateBits = 18;
885 lodPrecision.lodBits = 6;
886 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
887 lookupPrecision.coordBits = tcu::IVec3(20,20,20);
888 lookupPrecision.uvwBits = tcu::IVec3(7,7,0);
889 lookupPrecision.colorMask = getCompareMask(pixelFormat);
891 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
892 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
896 // Evaluate against lower precision requirements.
897 lodPrecision.lodBits = 4;
898 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
900 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
902 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
903 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
907 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
908 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
910 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
911 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
916 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
921 class Texture3DFilteringCase : public TestCase
924 Texture3DFilteringCase (Context& context, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 internalFormat, int width, int height, int depth);
925 ~Texture3DFilteringCase (void);
929 IterateResult iterate (void);
932 Texture3DFilteringCase (const Texture3DFilteringCase& other);
933 Texture3DFilteringCase& operator= (const Texture3DFilteringCase& other);
935 const deUint32 m_minFilter;
936 const deUint32 m_magFilter;
937 const deUint32 m_wrapS;
938 const deUint32 m_wrapT;
939 const deUint32 m_wrapR;
941 const deUint32 m_internalFormat;
948 const glu::Texture3D* texture;
957 FilterCase (const glu::Texture3D* tex_, const tcu::Vec3& lod_, const tcu::Vec3& offset_)
965 glu::Texture3D* m_gradientTex;
966 glu::Texture3D* m_gridTex;
968 TextureRenderer m_renderer;
970 std::vector<FilterCase> m_cases;
974 Texture3DFilteringCase::Texture3DFilteringCase (Context& context, const char* name, const char* desc, deUint32 minFilter, deUint32 magFilter, deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 internalFormat, int width, int height, int depth)
975 : TestCase (context, name, desc)
976 , m_minFilter (minFilter)
977 , m_magFilter (magFilter)
981 , m_internalFormat (internalFormat)
985 , m_gradientTex (DE_NULL)
986 , m_gridTex (DE_NULL)
987 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
992 Texture3DFilteringCase::~Texture3DFilteringCase (void)
994 Texture3DFilteringCase::deinit();
997 void Texture3DFilteringCase::init (void)
1001 const tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_internalFormat);
1002 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
1003 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
1004 const tcu::Vec4 cBias = fmtInfo.valueMin;
1005 const int numLevels = deLog2Floor32(de::max(de::max(m_width, m_height), m_depth)) + 1;
1008 m_gradientTex = new glu::Texture3D(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_depth);
1009 m_gridTex = new glu::Texture3D(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_depth);
1011 // Fill first gradient texture.
1012 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
1014 tcu::Vec4 gMin = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)*cScale + cBias;
1015 tcu::Vec4 gMax = tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)*cScale + cBias;
1017 m_gradientTex->getRefTexture().allocLevel(levelNdx);
1018 tcu::fillWithComponentGradients(m_gradientTex->getRefTexture().getLevel(levelNdx), gMin, gMax);
1021 // Fill second with grid texture.
1022 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
1024 deUint32 step = 0x00ffffff / numLevels;
1025 deUint32 rgb = step*levelNdx;
1026 deUint32 colorA = 0xff000000 | rgb;
1027 deUint32 colorB = 0xff000000 | ~rgb;
1029 m_gridTex->getRefTexture().allocLevel(levelNdx);
1030 tcu::fillWithGrid(m_gridTex->getRefTexture().getLevel(levelNdx), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
1034 m_gradientTex->upload();
1035 m_gridTex->upload();
1038 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec3(1.5f, 2.8f, 1.0f), tcu::Vec3(-1.0f, -2.7f, -2.275f)));
1039 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec3(-2.0f, -1.5f, -1.8f), tcu::Vec3(-0.1f, 0.9f, -0.25f)));
1040 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec3(0.2f, 0.175f, 0.3f), tcu::Vec3(-2.0f, -3.7f, -1.825f)));
1041 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec3(-0.8f, -2.3f, -2.5f), tcu::Vec3(0.2f, -0.1f, 1.325f)));
1044 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1048 // Clean up to save memory.
1049 Texture3DFilteringCase::deinit();
1054 void Texture3DFilteringCase::deinit (void)
1056 delete m_gradientTex;
1059 m_gradientTex = DE_NULL;
1060 m_gridTex = DE_NULL;
1066 Texture3DFilteringCase::IterateResult Texture3DFilteringCase::iterate (void)
1068 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1069 const RandomViewport viewport (m_context.getRenderTarget(), TEX3D_VIEWPORT_WIDTH, TEX3D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
1070 const FilterCase& curCase = m_cases[m_caseNdx];
1071 const tcu::TextureFormat texFmt = curCase.texture->getRefTexture().getFormat();
1072 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
1073 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
1074 ReferenceParams refParams (TEXTURETYPE_3D);
1075 tcu::Surface rendered (viewport.width, viewport.height);
1076 tcu::Vec3 texCoord[4];
1078 if (viewport.width < TEX3D_MIN_VIEWPORT_WIDTH || viewport.height < TEX3D_MIN_VIEWPORT_HEIGHT)
1079 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
1081 // Setup params for reference.
1082 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_wrapR, m_minFilter, m_magFilter);
1083 refParams.samplerType = getSamplerType(texFmt);
1084 refParams.lodMode = LODMODE_EXACT;
1085 refParams.colorBias = fmtInfo.lookupBias;
1086 refParams.colorScale = fmtInfo.lookupScale;
1088 // Compute texture coordinates.
1089 m_testCtx.getLog() << TestLog::Message << "Approximate lod per axis = " << curCase.lod << ", offset = " << curCase.offset << TestLog::EndMessage;
1092 const float lodX = curCase.lod.x();
1093 const float lodY = curCase.lod.y();
1094 const float lodZ = curCase.lod.z();
1095 const float oX = curCase.offset.x();
1096 const float oY = curCase.offset.y();
1097 const float oZ = curCase.offset.z();
1098 const float sX = deFloatExp2(lodX)*float(viewport.width) / float(m_gradientTex->getRefTexture().getWidth());
1099 const float sY = deFloatExp2(lodY)*float(viewport.height) / float(m_gradientTex->getRefTexture().getHeight());
1100 const float sZ = deFloatExp2(lodZ)*float(de::max(viewport.width, viewport.height)) / float(m_gradientTex->getRefTexture().getDepth());
1102 texCoord[0] = tcu::Vec3(oX, oY, oZ);
1103 texCoord[1] = tcu::Vec3(oX, oY+sY, oZ + sZ*0.5f);
1104 texCoord[2] = tcu::Vec3(oX+sX, oY, oZ + sZ*0.5f);
1105 texCoord[3] = tcu::Vec3(oX+sX, oY+sY, oZ + sZ);
1108 gl.bindTexture (GL_TEXTURE_3D, curCase.texture->getGLTexture());
1109 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, m_minFilter);
1110 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, m_magFilter);
1111 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, m_wrapS);
1112 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, m_wrapT);
1113 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, m_wrapR);
1115 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1116 m_renderer.renderQuad(0, (const float*)&texCoord[0], refParams);
1117 glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, rendered.getAccess());
1120 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
1121 const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat();
1122 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
1123 tcu::LodPrecision lodPrecision;
1124 tcu::LookupPrecision lookupPrecision;
1126 lodPrecision.derivateBits = 18;
1127 lodPrecision.lodBits = 6;
1128 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
1129 lookupPrecision.coordBits = tcu::IVec3(20,20,20);
1130 lookupPrecision.uvwBits = tcu::IVec3(7,7,7);
1131 lookupPrecision.colorMask = getCompareMask(pixelFormat);
1133 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
1134 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
1138 // Evaluate against lower precision requirements.
1139 lodPrecision.lodBits = 4;
1140 lookupPrecision.uvwBits = tcu::IVec3(4,4,4);
1142 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
1144 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
1145 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
1149 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
1150 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
1152 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
1153 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
1158 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
1161 TextureFilteringTests::TextureFilteringTests (Context& context)
1162 : TestCaseGroup(context, "filtering", "Texture Filtering Tests")
1166 TextureFilteringTests::~TextureFilteringTests (void)
1170 void TextureFilteringTests::init (void)
1178 { "clamp", GL_CLAMP_TO_EDGE },
1179 { "repeat", GL_REPEAT },
1180 { "mirror", GL_MIRRORED_REPEAT }
1187 } minFilterModes[] =
1189 { "nearest", GL_NEAREST },
1190 { "linear", GL_LINEAR },
1191 { "nearest_mipmap_nearest", GL_NEAREST_MIPMAP_NEAREST },
1192 { "linear_mipmap_nearest", GL_LINEAR_MIPMAP_NEAREST },
1193 { "nearest_mipmap_linear", GL_NEAREST_MIPMAP_LINEAR },
1194 { "linear_mipmap_linear", GL_LINEAR_MIPMAP_LINEAR }
1201 } magFilterModes[] =
1203 { "nearest", GL_NEAREST },
1204 { "linear", GL_LINEAR }
1266 } filterableFormatsByType[] =
1268 { "rgba16f", GL_RGBA16F },
1269 { "r11f_g11f_b10f", GL_R11F_G11F_B10F },
1270 { "rgb9_e5", GL_RGB9_E5 },
1271 { "rgba8", GL_RGBA8 },
1272 { "rgba8_snorm", GL_RGBA8_SNORM },
1273 { "rgb565", GL_RGB565 },
1274 { "rgba4", GL_RGBA4 },
1275 { "rgb5_a1", GL_RGB5_A1 },
1276 { "srgb8_alpha8", GL_SRGB8_ALPHA8 },
1277 { "rgb10_a2", GL_RGB10_A2 }
1280 // 2D texture filtering.
1282 tcu::TestCaseGroup* group2D = new tcu::TestCaseGroup(m_testCtx, "2d", "2D Texture Filtering");
1286 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Texture Formats");
1287 group2D->addChild(formatsGroup);
1288 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1290 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1292 deUint32 minFilter = minFilterModes[filterNdx].mode;
1293 const char* filterName = minFilterModes[filterNdx].name;
1294 deUint32 format = filterableFormatsByType[fmtNdx].format;
1295 const char* formatName = filterableFormatsByType[fmtNdx].name;
1296 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1297 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1298 string name = string(formatName) + "_" + filterName;
1299 deUint32 wrapS = GL_REPEAT;
1300 deUint32 wrapT = GL_REPEAT;
1304 formatsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1306 minFilter, magFilter,
1315 std::vector<std::string> filenames;
1316 for (int i = 0; i <= 7; i++)
1317 filenames.push_back(string("data/etc1/photo_helsinki_mip_") + de::toString(i) + ".pkm");
1319 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1321 deUint32 minFilter = minFilterModes[filterNdx].mode;
1322 const char* filterName = minFilterModes[filterNdx].name;
1323 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1324 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1325 string name = string("etc1_rgb8_") + filterName;
1326 deUint32 wrapS = GL_REPEAT;
1327 deUint32 wrapT = GL_REPEAT;
1329 formatsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1331 minFilter, magFilter,
1338 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1339 group2D->addChild(sizesGroup);
1340 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2D); sizeNdx++)
1342 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1344 deUint32 minFilter = minFilterModes[filterNdx].mode;
1345 const char* filterName = minFilterModes[filterNdx].name;
1346 deUint32 format = GL_RGBA8;
1347 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1348 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1349 deUint32 wrapS = GL_REPEAT;
1350 deUint32 wrapT = GL_REPEAT;
1351 int width = sizes2D[sizeNdx].width;
1352 int height = sizes2D[sizeNdx].height;
1353 string name = de::toString(width) + "x" + de::toString(height) + "_" + filterName;
1355 sizesGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1357 minFilter, magFilter,
1365 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1366 group2D->addChild(combinationsGroup);
1367 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1369 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1371 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1373 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1375 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1376 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1377 deUint32 format = GL_RGBA8;
1378 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1379 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1382 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1384 combinationsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1386 minFilter, magFilter,
1396 // Cube map texture filtering.
1398 tcu::TestCaseGroup* groupCube = new tcu::TestCaseGroup(m_testCtx, "cube", "Cube Map Texture Filtering");
1399 addChild(groupCube);
1402 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Texture Formats");
1403 groupCube->addChild(formatsGroup);
1404 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1406 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1408 deUint32 minFilter = minFilterModes[filterNdx].mode;
1409 const char* filterName = minFilterModes[filterNdx].name;
1410 deUint32 format = filterableFormatsByType[fmtNdx].format;
1411 const char* formatName = filterableFormatsByType[fmtNdx].name;
1412 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1413 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1414 string name = string(formatName) + "_" + filterName;
1415 deUint32 wrapS = GL_REPEAT;
1416 deUint32 wrapT = GL_REPEAT;
1420 formatsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1422 minFilter, magFilter,
1424 false /* always sample exterior as well */,
1432 static const char* faceExt[] = { "neg_x", "pos_x", "neg_y", "pos_y", "neg_z", "pos_z" };
1434 const int numLevels = 7;
1435 vector<string> filenames;
1436 for (int level = 0; level < numLevels; level++)
1437 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
1438 filenames.push_back(string("data/etc1/skybox_") + faceExt[face] + "_mip_" + de::toString(level) + ".pkm");
1440 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1442 deUint32 minFilter = minFilterModes[filterNdx].mode;
1443 const char* filterName = minFilterModes[filterNdx].name;
1444 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1445 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1446 string name = string("etc1_rgb8_") + filterName;
1447 deUint32 wrapS = GL_REPEAT;
1448 deUint32 wrapT = GL_REPEAT;
1450 formatsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1452 minFilter, magFilter,
1454 false /* always sample exterior as well */,
1460 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1461 groupCube->addChild(sizesGroup);
1462 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizesCube); sizeNdx++)
1464 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1466 deUint32 minFilter = minFilterModes[filterNdx].mode;
1467 const char* filterName = minFilterModes[filterNdx].name;
1468 deUint32 format = GL_RGBA8;
1469 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1470 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1471 deUint32 wrapS = GL_REPEAT;
1472 deUint32 wrapT = GL_REPEAT;
1473 int width = sizesCube[sizeNdx].width;
1474 int height = sizesCube[sizeNdx].height;
1475 string name = de::toString(width) + "x" + de::toString(height) + "_" + filterName;
1477 sizesGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1479 minFilter, magFilter,
1487 // Filter/wrap mode combinations.
1488 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1489 groupCube->addChild(combinationsGroup);
1490 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1492 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1494 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1496 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1498 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1499 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1500 deUint32 format = GL_RGBA8;
1501 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1502 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1505 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1507 combinationsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1509 minFilter, magFilter,
1519 // Cases with no visible cube edges.
1520 tcu::TestCaseGroup* onlyFaceInteriorGroup = new tcu::TestCaseGroup(m_testCtx, "no_edges_visible", "Don't sample anywhere near a face's edges");
1521 groupCube->addChild(onlyFaceInteriorGroup);
1523 for (int isLinearI = 0; isLinearI <= 1; isLinearI++)
1525 bool isLinear = isLinearI != 0;
1526 deUint32 filter = isLinear ? GL_LINEAR : GL_NEAREST;
1528 onlyFaceInteriorGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1529 isLinear ? "linear" : "nearest", "",
1531 GL_REPEAT, GL_REPEAT,
1538 // 2D array texture filtering.
1540 tcu::TestCaseGroup* const group2DArray = new tcu::TestCaseGroup(m_testCtx, "2d_array", "2D Array Texture Filtering");
1541 addChild(group2DArray);
1544 tcu::TestCaseGroup* const formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Array Texture Formats");
1545 group2DArray->addChild(formatsGroup);
1546 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1548 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1550 deUint32 minFilter = minFilterModes[filterNdx].mode;
1551 const char* filterName = minFilterModes[filterNdx].name;
1552 deUint32 format = filterableFormatsByType[fmtNdx].format;
1553 const char* formatName = filterableFormatsByType[fmtNdx].name;
1554 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1555 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1556 string name = string(formatName) + "_" + filterName;
1557 deUint32 wrapS = GL_REPEAT;
1558 deUint32 wrapT = GL_REPEAT;
1563 formatsGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1565 minFilter, magFilter,
1568 width, height, numLayers));
1573 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1574 group2DArray->addChild(sizesGroup);
1575 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2DArray); sizeNdx++)
1577 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1579 deUint32 minFilter = minFilterModes[filterNdx].mode;
1580 const char* filterName = minFilterModes[filterNdx].name;
1581 deUint32 format = GL_RGBA8;
1582 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1583 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1584 deUint32 wrapS = GL_REPEAT;
1585 deUint32 wrapT = GL_REPEAT;
1586 int width = sizes2DArray[sizeNdx].width;
1587 int height = sizes2DArray[sizeNdx].height;
1588 int numLayers = sizes2DArray[sizeNdx].numLayers;
1589 string name = de::toString(width) + "x" + de::toString(height) + "x" + de::toString(numLayers) + "_" + filterName;
1591 sizesGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1593 minFilter, magFilter,
1596 width, height, numLayers));
1601 tcu::TestCaseGroup* const combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1602 group2DArray->addChild(combinationsGroup);
1603 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1605 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1607 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1609 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1611 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1612 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1613 deUint32 format = GL_RGBA8;
1614 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1615 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1619 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1621 combinationsGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1623 minFilter, magFilter,
1626 width, height, numLayers));
1633 // 3D texture filtering.
1635 tcu::TestCaseGroup* group3D = new tcu::TestCaseGroup(m_testCtx, "3d", "3D Texture Filtering");
1639 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "3D Texture Formats");
1640 group3D->addChild(formatsGroup);
1641 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1643 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1645 deUint32 minFilter = minFilterModes[filterNdx].mode;
1646 const char* filterName = minFilterModes[filterNdx].name;
1647 deUint32 format = filterableFormatsByType[fmtNdx].format;
1648 const char* formatName = filterableFormatsByType[fmtNdx].name;
1649 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1650 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1651 string name = string(formatName) + "_" + filterName;
1652 deUint32 wrapS = GL_REPEAT;
1653 deUint32 wrapT = GL_REPEAT;
1654 deUint32 wrapR = GL_REPEAT;
1659 formatsGroup->addChild(new Texture3DFilteringCase(m_context,
1661 minFilter, magFilter,
1662 wrapS, wrapT, wrapR,
1664 width, height, depth));
1669 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1670 group3D->addChild(sizesGroup);
1671 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes3D); sizeNdx++)
1673 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1675 deUint32 minFilter = minFilterModes[filterNdx].mode;
1676 const char* filterName = minFilterModes[filterNdx].name;
1677 deUint32 format = GL_RGBA8;
1678 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1679 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1680 deUint32 wrapS = GL_REPEAT;
1681 deUint32 wrapT = GL_REPEAT;
1682 deUint32 wrapR = GL_REPEAT;
1683 int width = sizes3D[sizeNdx].width;
1684 int height = sizes3D[sizeNdx].height;
1685 int depth = sizes3D[sizeNdx].depth;
1686 string name = de::toString(width) + "x" + de::toString(height) + "x" + de::toString(depth) + "_" + filterName;
1688 sizesGroup->addChild(new Texture3DFilteringCase(m_context,
1690 minFilter, magFilter,
1691 wrapS, wrapT, wrapR,
1693 width, height, depth));
1698 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1699 group3D->addChild(combinationsGroup);
1700 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1702 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1704 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1706 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1708 for (int wrapRNdx = 0; wrapRNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapRNdx++)
1710 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1711 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1712 deUint32 format = GL_RGBA8;
1713 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1714 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1715 deUint32 wrapR = wrapModes[wrapRNdx].mode;
1719 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name + "_" + wrapModes[wrapRNdx].name;
1721 combinationsGroup->addChild(new Texture3DFilteringCase(m_context,
1723 minFilter, magFilter,
1724 wrapS, wrapT, wrapR,
1726 width, height, depth));