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;
52 TEX2D_VIEWPORT_WIDTH = 64,
53 TEX2D_VIEWPORT_HEIGHT = 64,
54 TEX2D_MIN_VIEWPORT_WIDTH = 64,
55 TEX2D_MIN_VIEWPORT_HEIGHT = 64,
57 TEX3D_VIEWPORT_WIDTH = 64,
58 TEX3D_VIEWPORT_HEIGHT = 64,
59 TEX3D_MIN_VIEWPORT_WIDTH = 64,
60 TEX3D_MIN_VIEWPORT_HEIGHT = 64
63 class Texture2DFilteringCase : public tcu::TestCase
66 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);
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, const std::vector<std::string>& filenames);
68 ~Texture2DFilteringCase (void);
72 IterateResult iterate (void);
75 Texture2DFilteringCase (const Texture2DFilteringCase& other);
76 Texture2DFilteringCase& operator= (const Texture2DFilteringCase& other);
78 glu::RenderContext& m_renderCtx;
79 const glu::ContextInfo& m_renderCtxInfo;
81 const deUint32 m_minFilter;
82 const deUint32 m_magFilter;
83 const deUint32 m_wrapS;
84 const deUint32 m_wrapT;
86 const deUint32 m_internalFormat;
90 const std::vector<std::string> m_filenames;
94 const glu::Texture2D* texture;
103 FilterCase (const glu::Texture2D* tex_, const tcu::Vec2& minCoord_, const tcu::Vec2& maxCoord_)
105 , minCoord (minCoord_)
106 , maxCoord (maxCoord_)
111 std::vector<glu::Texture2D*> m_textures;
112 std::vector<FilterCase> m_cases;
114 TextureRenderer m_renderer;
119 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)
120 : TestCase (testCtx, name, desc)
121 , m_renderCtx (renderCtx)
122 , m_renderCtxInfo (ctxInfo)
123 , m_minFilter (minFilter)
124 , m_magFilter (magFilter)
127 , m_internalFormat (internalFormat)
130 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
135 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)
136 : TestCase (testCtx, name, desc)
137 , m_renderCtx (renderCtx)
138 , m_renderCtxInfo (ctxInfo)
139 , m_minFilter (minFilter)
140 , m_magFilter (magFilter)
143 , m_internalFormat (GL_NONE)
146 , m_filenames (filenames)
147 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
152 Texture2DFilteringCase::~Texture2DFilteringCase (void)
157 void Texture2DFilteringCase::init (void)
161 if (!m_filenames.empty())
163 m_textures.reserve(1);
164 m_textures.push_back(glu::Texture2D::create(m_renderCtx, m_renderCtxInfo, m_testCtx.getArchive(), (int)m_filenames.size(), m_filenames));
168 // Create 2 textures.
169 m_textures.reserve(2);
170 for (int ndx = 0; ndx < 2; ndx++)
171 m_textures.push_back(new glu::Texture2D(m_renderCtx, m_internalFormat, m_width, m_height));
173 const bool mipmaps = true;
174 const int numLevels = mipmaps ? deLog2Floor32(de::max(m_width, m_height))+1 : 1;
175 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(m_textures[0]->getRefTexture().getFormat());
176 const tcu::Vec4 cBias = fmtInfo.valueMin;
177 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
179 // Fill first gradient texture.
180 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
182 tcu::Vec4 gMin = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)*cScale + cBias;
183 tcu::Vec4 gMax = tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)*cScale + cBias;
185 m_textures[0]->getRefTexture().allocLevel(levelNdx);
186 tcu::fillWithComponentGradients(m_textures[0]->getRefTexture().getLevel(levelNdx), gMin, gMax);
189 // Fill second with grid texture.
190 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
192 deUint32 step = 0x00ffffff / numLevels;
193 deUint32 rgb = step*levelNdx;
194 deUint32 colorA = 0xff000000 | rgb;
195 deUint32 colorB = 0xff000000 | ~rgb;
197 m_textures[1]->getRefTexture().allocLevel(levelNdx);
198 tcu::fillWithGrid(m_textures[1]->getRefTexture().getLevel(levelNdx), 4, toVec4(tcu::RGBA(colorA))*cScale + cBias, toVec4(tcu::RGBA(colorB))*cScale + cBias);
202 for (std::vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
217 { 0, 1.6f, 2.9f, -1.0f, -2.7f },
218 { 0, -2.0f, -1.35f, -0.2f, 0.7f },
219 { 1, 0.14f, 0.275f, -1.5f, -1.1f },
220 { 1, -0.92f, -2.64f, 0.4f, -0.1f },
223 const float viewportW = (float)de::min<int>(TEX2D_VIEWPORT_WIDTH, m_renderCtx.getRenderTarget().getWidth());
224 const float viewportH = (float)de::min<int>(TEX2D_VIEWPORT_HEIGHT, m_renderCtx.getRenderTarget().getHeight());
226 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++)
228 const int texNdx = de::clamp(cases[caseNdx].texNdx, 0, (int)m_textures.size()-1);
229 const float lodX = cases[caseNdx].lodX;
230 const float lodY = cases[caseNdx].lodY;
231 const float oX = cases[caseNdx].oX;
232 const float oY = cases[caseNdx].oY;
233 const float sX = deFloatExp2(lodX)*viewportW / float(m_textures[texNdx]->getRefTexture().getWidth());
234 const float sY = deFloatExp2(lodY)*viewportH / float(m_textures[texNdx]->getRefTexture().getHeight());
236 m_cases.push_back(FilterCase(m_textures[texNdx], tcu::Vec2(oX, oY), tcu::Vec2(oX+sX, oY+sY)));
241 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
245 // Clean up to save memory.
246 Texture2DFilteringCase::deinit();
251 void Texture2DFilteringCase::deinit (void)
253 for (std::vector<glu::Texture2D*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
261 Texture2DFilteringCase::IterateResult Texture2DFilteringCase::iterate (void)
263 const glw::Functions& gl = m_renderCtx.getFunctions();
264 const RandomViewport viewport (m_renderCtx.getRenderTarget(), TEX2D_VIEWPORT_WIDTH, TEX2D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
265 const tcu::TextureFormat texFmt = m_textures[0]->getRefTexture().getFormat();
266 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
267 const FilterCase& curCase = m_cases[m_caseNdx];
268 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
269 ReferenceParams refParams (TEXTURETYPE_2D);
270 tcu::Surface rendered (viewport.width, viewport.height);
271 vector<float> texCoord;
273 if (viewport.width < TEX2D_MIN_VIEWPORT_WIDTH || viewport.height < TEX2D_MIN_VIEWPORT_HEIGHT)
274 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
276 // Setup params for reference.
277 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_minFilter, m_magFilter);
278 refParams.samplerType = getSamplerType(texFmt);
279 refParams.lodMode = LODMODE_EXACT;
280 refParams.colorBias = fmtInfo.lookupBias;
281 refParams.colorScale = fmtInfo.lookupScale;
283 // Compute texture coordinates.
284 m_testCtx.getLog() << TestLog::Message << "Texture coordinates: " << curCase.minCoord << " -> " << curCase.maxCoord << TestLog::EndMessage;
285 computeQuadTexCoord2D(texCoord, curCase.minCoord, curCase.maxCoord);
287 gl.bindTexture (GL_TEXTURE_2D, curCase.texture->getGLTexture());
288 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, m_minFilter);
289 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, m_magFilter);
290 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, m_wrapS);
291 gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, m_wrapT);
293 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
294 m_renderer.renderQuad(0, &texCoord[0], refParams);
295 glu::readPixels(m_renderCtx, viewport.x, viewport.y, rendered.getAccess());
298 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
299 const tcu::PixelFormat pixelFormat = m_renderCtx.getRenderTarget().getPixelFormat();
300 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
301 tcu::LodPrecision lodPrecision;
302 tcu::LookupPrecision lookupPrecision;
304 lodPrecision.derivateBits = 18;
305 lodPrecision.lodBits = 6;
306 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
307 lookupPrecision.coordBits = tcu::IVec3(20,20,0);
308 lookupPrecision.uvwBits = tcu::IVec3(7,7,0);
309 lookupPrecision.colorMask = getCompareMask(pixelFormat);
311 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
312 &texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
316 // Evaluate against lower precision requirements.
317 lodPrecision.lodBits = 4;
318 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
320 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
322 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
323 &texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
327 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
328 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
330 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
331 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
336 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
339 class TextureCubeFilteringCase : public tcu::TestCase
342 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);
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, const std::vector<std::string>& filenames);
344 ~TextureCubeFilteringCase (void);
348 IterateResult iterate (void);
351 TextureCubeFilteringCase (const TextureCubeFilteringCase& other);
352 TextureCubeFilteringCase& operator= (const TextureCubeFilteringCase& other);
354 glu::RenderContext& m_renderCtx;
355 const glu::ContextInfo& m_renderCtxInfo;
357 const deUint32 m_minFilter;
358 const deUint32 m_magFilter;
359 const deUint32 m_wrapS;
360 const deUint32 m_wrapT;
361 const bool m_onlySampleFaceInterior; //!< If true, we avoid sampling anywhere near a face's edges.
363 const deUint32 m_internalFormat;
367 const std::vector<std::string> m_filenames;
371 const glu::TextureCube* texture;
372 tcu::Vec2 bottomLeft;
380 FilterCase (const glu::TextureCube* tex_, const tcu::Vec2& bottomLeft_, const tcu::Vec2& topRight_)
382 , bottomLeft(bottomLeft_)
383 , topRight (topRight_)
388 std::vector<glu::TextureCube*> m_textures;
389 std::vector<FilterCase> m_cases;
391 TextureRenderer m_renderer;
396 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)
397 : TestCase (testCtx, name, desc)
398 , m_renderCtx (renderCtx)
399 , m_renderCtxInfo (ctxInfo)
400 , m_minFilter (minFilter)
401 , m_magFilter (magFilter)
404 , m_onlySampleFaceInterior (onlySampleFaceInterior)
405 , m_internalFormat (internalFormat)
408 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
413 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)
414 : TestCase (testCtx, name, desc)
415 , m_renderCtx (renderCtx)
416 , m_renderCtxInfo (ctxInfo)
417 , m_minFilter (minFilter)
418 , m_magFilter (magFilter)
421 , m_onlySampleFaceInterior (onlySampleFaceInterior)
422 , m_internalFormat (GL_NONE)
425 , m_filenames (filenames)
426 , m_renderer (renderCtx, testCtx.getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
431 TextureCubeFilteringCase::~TextureCubeFilteringCase (void)
436 void TextureCubeFilteringCase::init (void)
440 if (!m_filenames.empty())
442 m_textures.reserve(1);
443 m_textures.push_back(glu::TextureCube::create(m_renderCtx, m_renderCtxInfo, m_testCtx.getArchive(), (int)m_filenames.size() / 6, m_filenames));
447 DE_ASSERT(m_width == m_height);
448 m_textures.reserve(2);
449 for (int ndx = 0; ndx < 2; ndx++)
450 m_textures.push_back(new glu::TextureCube(m_renderCtx, m_internalFormat, m_width));
452 const int numLevels = deLog2Floor32(de::max(m_width, m_height))+1;
453 tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(m_textures[0]->getRefTexture().getFormat());
454 tcu::Vec4 cBias = fmtInfo.valueMin;
455 tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
457 // Fill first with gradient texture.
458 static const tcu::Vec4 gradients[tcu::CUBEFACE_LAST][2] =
460 { tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative x
461 { tcu::Vec4(0.5f, 0.0f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive x
462 { tcu::Vec4(0.0f, 0.5f, 0.0f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative y
463 { tcu::Vec4(0.0f, 0.0f, 0.5f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive y
464 { tcu::Vec4(0.0f, 0.0f, 0.0f, 0.5f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f) }, // negative z
465 { tcu::Vec4(0.5f, 0.5f, 0.5f, 1.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) } // positive z
467 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
469 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
471 m_textures[0]->getRefTexture().allocLevel((tcu::CubeFace)face, levelNdx);
472 tcu::fillWithComponentGradients(m_textures[0]->getRefTexture().getLevelFace(levelNdx, (tcu::CubeFace)face), gradients[face][0]*cScale + cBias, gradients[face][1]*cScale + cBias);
476 // Fill second with grid texture.
477 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
479 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
481 deUint32 step = 0x00ffffff / (numLevels*tcu::CUBEFACE_LAST);
482 deUint32 rgb = step*levelNdx*face;
483 deUint32 colorA = 0xff000000 | rgb;
484 deUint32 colorB = 0xff000000 | ~rgb;
486 m_textures[1]->getRefTexture().allocLevel((tcu::CubeFace)face, levelNdx);
487 tcu::fillWithGrid(m_textures[1]->getRefTexture().getLevelFace(levelNdx, (tcu::CubeFace)face), 4, toVec4(tcu::RGBA(colorA))*cScale + cBias, toVec4(tcu::RGBA(colorB))*cScale + cBias);
492 for (std::vector<glu::TextureCube*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
498 const glu::TextureCube* tex0 = m_textures[0];
499 const glu::TextureCube* tex1 = m_textures.size() > 1 ? m_textures[1] : tex0;
501 if (m_onlySampleFaceInterior)
503 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f))); // minification
504 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.5f, 0.65f), tcu::Vec2(0.8f, 0.8f))); // magnification
505 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-0.8f, -0.8f), tcu::Vec2(0.8f, 0.8f))); // minification
506 m_cases.push_back(FilterCase(tex1, tcu::Vec2(0.2f, 0.2f), tcu::Vec2(0.6f, 0.5f))); // magnification
510 if (m_renderCtx.getRenderTarget().getNumSamples() == 0)
511 m_cases.push_back(FilterCase(tex0, tcu::Vec2(-1.25f, -1.2f), tcu::Vec2(1.2f, 1.25f))); // minification
513 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
515 m_cases.push_back(FilterCase(tex0, tcu::Vec2(0.8f, 0.8f), tcu::Vec2(1.25f, 1.20f))); // magnification
516 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f))); // minification
517 m_cases.push_back(FilterCase(tex1, tcu::Vec2(-1.2f, -1.1f), tcu::Vec2(-0.8f, -0.8f))); // magnification
522 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
526 // Clean up to save memory.
527 TextureCubeFilteringCase::deinit();
532 void TextureCubeFilteringCase::deinit (void)
534 for (std::vector<glu::TextureCube*>::iterator i = m_textures.begin(); i != m_textures.end(); i++)
542 static const char* getFaceDesc (const tcu::CubeFace face)
546 case tcu::CUBEFACE_NEGATIVE_X: return "-X";
547 case tcu::CUBEFACE_POSITIVE_X: return "+X";
548 case tcu::CUBEFACE_NEGATIVE_Y: return "-Y";
549 case tcu::CUBEFACE_POSITIVE_Y: return "+Y";
550 case tcu::CUBEFACE_NEGATIVE_Z: return "-Z";
551 case tcu::CUBEFACE_POSITIVE_Z: return "+Z";
558 TextureCubeFilteringCase::IterateResult TextureCubeFilteringCase::iterate (void)
560 const glw::Functions& gl = m_renderCtx.getFunctions();
561 const int viewportSize = 28;
562 const RandomViewport viewport (m_renderCtx.getRenderTarget(), viewportSize, viewportSize, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
563 const tcu::ScopedLogSection iterSection (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
564 const FilterCase& curCase = m_cases[m_caseNdx];
565 const tcu::TextureFormat& texFmt = curCase.texture->getRefTexture().getFormat();
566 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
567 ReferenceParams sampleParams (TEXTURETYPE_CUBE);
569 if (viewport.width < viewportSize || viewport.height < viewportSize)
570 throw tcu::NotSupportedError("Too small render target", DE_NULL, __FILE__, __LINE__);
573 gl.bindTexture (GL_TEXTURE_CUBE_MAP, curCase.texture->getGLTexture());
574 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, m_minFilter);
575 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, m_magFilter);
576 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, m_wrapS);
577 gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, m_wrapT);
580 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
582 // Params for reference computation.
583 sampleParams.sampler = glu::mapGLSampler(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, m_minFilter, m_magFilter);
584 sampleParams.sampler.seamlessCubeMap = true;
585 sampleParams.samplerType = getSamplerType(texFmt);
586 sampleParams.colorBias = fmtInfo.lookupBias;
587 sampleParams.colorScale = fmtInfo.lookupScale;
588 sampleParams.lodMode = LODMODE_EXACT;
590 m_testCtx.getLog() << TestLog::Message << "Coordinates: " << curCase.bottomLeft << " -> " << curCase.topRight << TestLog::EndMessage;
592 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++)
594 const tcu::CubeFace face = tcu::CubeFace(faceNdx);
595 tcu::Surface result (viewport.width, viewport.height);
596 vector<float> texCoord;
598 computeQuadTexCoordCube(texCoord, face, curCase.bottomLeft, curCase.topRight);
600 m_testCtx.getLog() << TestLog::Message << "Face " << getFaceDesc(face) << TestLog::EndMessage;
602 // \todo Log texture coordinates.
604 m_renderer.renderQuad(0, &texCoord[0], sampleParams);
605 GLU_EXPECT_NO_ERROR(gl.getError(), "Draw");
607 glu::readPixels(m_renderCtx, viewport.x, viewport.y, result.getAccess());
608 GLU_EXPECT_NO_ERROR(gl.getError(), "Read pixels");
611 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
612 const tcu::PixelFormat pixelFormat = m_renderCtx.getRenderTarget().getPixelFormat();
613 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
614 tcu::LodPrecision lodPrecision;
615 tcu::LookupPrecision lookupPrecision;
617 lodPrecision.derivateBits = 10;
618 lodPrecision.lodBits = 5;
619 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / sampleParams.colorScale;
620 lookupPrecision.coordBits = tcu::IVec3(10,10,10);
621 lookupPrecision.uvwBits = tcu::IVec3(6,6,0);
622 lookupPrecision.colorMask = getCompareMask(pixelFormat);
624 const bool isHighQuality = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
625 &texCoord[0], sampleParams, lookupPrecision, lodPrecision, pixelFormat);
629 // Evaluate against lower precision requirements.
630 lodPrecision.lodBits = 4;
631 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
633 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
635 const bool isOk = verifyTextureResult(m_testCtx, result.getAccess(), curCase.texture->getRefTexture(),
636 &texCoord[0], sampleParams, lookupPrecision, lodPrecision, pixelFormat);
640 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
641 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
643 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
644 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
650 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
653 // 2D array filtering
655 class Texture2DArrayFilteringCase : public TestCase
658 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);
659 ~Texture2DArrayFilteringCase (void);
663 IterateResult iterate (void);
666 Texture2DArrayFilteringCase (const Texture2DArrayFilteringCase&);
667 Texture2DArrayFilteringCase& operator= (const Texture2DArrayFilteringCase&);
669 const deUint32 m_minFilter;
670 const deUint32 m_magFilter;
671 const deUint32 m_wrapS;
672 const deUint32 m_wrapT;
674 const deUint32 m_internalFormat;
677 const int m_numLayers;
681 const glu::Texture2DArray* texture;
684 tcu::Vec2 layerRange;
691 FilterCase (const glu::Texture2DArray* tex_, const tcu::Vec2& lod_, const tcu::Vec2& offset_, const tcu::Vec2& layerRange_)
695 , layerRange(layerRange_)
700 glu::Texture2DArray* m_gradientTex;
701 glu::Texture2DArray* m_gridTex;
703 TextureRenderer m_renderer;
705 std::vector<FilterCase> m_cases;
709 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)
710 : TestCase (context, name, desc)
711 , m_minFilter (minFilter)
712 , m_magFilter (magFilter)
715 , m_internalFormat (internalFormat)
718 , m_numLayers (numLayers)
719 , m_gradientTex (DE_NULL)
720 , m_gridTex (DE_NULL)
721 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
726 Texture2DArrayFilteringCase::~Texture2DArrayFilteringCase (void)
728 Texture2DArrayFilteringCase::deinit();
731 void Texture2DArrayFilteringCase::init (void)
735 const tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_internalFormat);
736 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
737 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
738 const tcu::Vec4 cBias = fmtInfo.valueMin;
739 const int numLevels = deLog2Floor32(de::max(m_width, m_height)) + 1;
742 m_gradientTex = new glu::Texture2DArray(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_numLayers);
743 m_gridTex = new glu::Texture2DArray(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_numLayers);
745 const tcu::IVec4 levelSwz[] =
753 // Fill first gradient texture (gradient direction varies between layers).
754 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
756 m_gradientTex->getRefTexture().allocLevel(levelNdx);
758 const tcu::PixelBufferAccess levelBuf = m_gradientTex->getRefTexture().getLevel(levelNdx);
760 for (int layerNdx = 0; layerNdx < m_numLayers; layerNdx++)
762 const tcu::IVec4 swz = levelSwz[layerNdx%DE_LENGTH_OF_ARRAY(levelSwz)];
763 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;
764 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;
766 tcu::fillWithComponentGradients(tcu::getSubregion(levelBuf, 0, 0, layerNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1), gMin, gMax);
770 // Fill second with grid texture (each layer has unique colors).
771 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
773 m_gridTex->getRefTexture().allocLevel(levelNdx);
775 const tcu::PixelBufferAccess levelBuf = m_gridTex->getRefTexture().getLevel(levelNdx);
777 for (int layerNdx = 0; layerNdx < m_numLayers; layerNdx++)
779 const deUint32 step = 0x00ffffff / (numLevels*m_numLayers - 1);
780 const deUint32 rgb = step * (levelNdx + layerNdx*numLevels);
781 const deUint32 colorA = 0xff000000 | rgb;
782 const deUint32 colorB = 0xff000000 | ~rgb;
784 tcu::fillWithGrid(tcu::getSubregion(levelBuf, 0, 0, layerNdx, levelBuf.getWidth(), levelBuf.getHeight(), 1),
785 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
790 m_gradientTex->upload();
794 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)));
795 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)));
796 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)));
798 // Level rounding - only in single-sample configs as multisample configs may produce smooth transition at the middle.
799 if (m_context.getRenderTarget().getNumSamples() == 0)
800 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)));
803 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
807 // Clean up to save memory.
808 Texture2DArrayFilteringCase::deinit();
813 void Texture2DArrayFilteringCase::deinit (void)
815 delete m_gradientTex;
818 m_gradientTex = DE_NULL;
825 Texture2DArrayFilteringCase::IterateResult Texture2DArrayFilteringCase::iterate (void)
827 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
828 const RandomViewport viewport (m_context.getRenderTarget(), TEX3D_VIEWPORT_WIDTH, TEX3D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
829 const FilterCase& curCase = m_cases[m_caseNdx];
830 const tcu::TextureFormat texFmt = curCase.texture->getRefTexture().getFormat();
831 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
832 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
833 ReferenceParams refParams (TEXTURETYPE_2D_ARRAY);
834 tcu::Surface rendered (viewport.width, viewport.height);
835 tcu::Vec3 texCoord[4];
837 if (viewport.width < TEX3D_MIN_VIEWPORT_WIDTH || viewport.height < TEX3D_MIN_VIEWPORT_HEIGHT)
838 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
840 // Setup params for reference.
841 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_wrapT, m_minFilter, m_magFilter);
842 refParams.samplerType = getSamplerType(texFmt);
843 refParams.lodMode = LODMODE_EXACT;
844 refParams.colorBias = fmtInfo.lookupBias;
845 refParams.colorScale = fmtInfo.lookupScale;
847 // Compute texture coordinates.
848 m_testCtx.getLog() << TestLog::Message << "Approximate lod per axis = " << curCase.lod << ", offset = " << curCase.offset << TestLog::EndMessage;
851 const float lodX = curCase.lod.x();
852 const float lodY = curCase.lod.y();
853 const float oX = curCase.offset.x();
854 const float oY = curCase.offset.y();
855 const float sX = deFloatExp2(lodX)*float(viewport.width) / float(m_gradientTex->getRefTexture().getWidth());
856 const float sY = deFloatExp2(lodY)*float(viewport.height) / float(m_gradientTex->getRefTexture().getHeight());
857 const float l0 = curCase.layerRange.x();
858 const float l1 = curCase.layerRange.y();
860 texCoord[0] = tcu::Vec3(oX, oY, l0);
861 texCoord[1] = tcu::Vec3(oX, oY+sY, l0*0.5f + l1*0.5f);
862 texCoord[2] = tcu::Vec3(oX+sX, oY, l0*0.5f + l1*0.5f);
863 texCoord[3] = tcu::Vec3(oX+sX, oY+sY, l1);
866 gl.bindTexture (GL_TEXTURE_2D_ARRAY, curCase.texture->getGLTexture());
867 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, m_minFilter);
868 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, m_magFilter);
869 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, m_wrapS);
870 gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, m_wrapT);
872 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
873 m_renderer.renderQuad(0, (const float*)&texCoord[0], refParams);
874 glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, rendered.getAccess());
877 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
878 const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat();
879 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
880 tcu::LodPrecision lodPrecision;
881 tcu::LookupPrecision lookupPrecision;
883 lodPrecision.derivateBits = 18;
884 lodPrecision.lodBits = 6;
885 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
886 lookupPrecision.coordBits = tcu::IVec3(20,20,20);
887 lookupPrecision.uvwBits = tcu::IVec3(7,7,0);
888 lookupPrecision.colorMask = getCompareMask(pixelFormat);
890 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
891 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
895 // Evaluate against lower precision requirements.
896 lodPrecision.lodBits = 4;
897 lookupPrecision.uvwBits = tcu::IVec3(4,4,0);
899 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
901 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
902 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
906 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
907 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
909 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
910 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
915 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
920 class Texture3DFilteringCase : public TestCase
923 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);
924 ~Texture3DFilteringCase (void);
928 IterateResult iterate (void);
931 Texture3DFilteringCase (const Texture3DFilteringCase& other);
932 Texture3DFilteringCase& operator= (const Texture3DFilteringCase& other);
934 const deUint32 m_minFilter;
935 const deUint32 m_magFilter;
936 const deUint32 m_wrapS;
937 const deUint32 m_wrapT;
938 const deUint32 m_wrapR;
940 const deUint32 m_internalFormat;
947 const glu::Texture3D* texture;
956 FilterCase (const glu::Texture3D* tex_, const tcu::Vec3& lod_, const tcu::Vec3& offset_)
964 glu::Texture3D* m_gradientTex;
965 glu::Texture3D* m_gridTex;
967 TextureRenderer m_renderer;
969 std::vector<FilterCase> m_cases;
973 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)
974 : TestCase (context, name, desc)
975 , m_minFilter (minFilter)
976 , m_magFilter (magFilter)
980 , m_internalFormat (internalFormat)
984 , m_gradientTex (DE_NULL)
985 , m_gridTex (DE_NULL)
986 , m_renderer (context.getRenderContext(), context.getTestContext().getLog(), glu::GLSL_VERSION_300_ES, glu::PRECISION_HIGHP)
991 Texture3DFilteringCase::~Texture3DFilteringCase (void)
993 Texture3DFilteringCase::deinit();
996 void Texture3DFilteringCase::init (void)
1000 const tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_internalFormat);
1001 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
1002 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin;
1003 const tcu::Vec4 cBias = fmtInfo.valueMin;
1004 const int numLevels = deLog2Floor32(de::max(de::max(m_width, m_height), m_depth)) + 1;
1007 m_gradientTex = new glu::Texture3D(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_depth);
1008 m_gridTex = new glu::Texture3D(m_context.getRenderContext(), m_internalFormat, m_width, m_height, m_depth);
1010 // Fill first gradient texture.
1011 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
1013 tcu::Vec4 gMin = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)*cScale + cBias;
1014 tcu::Vec4 gMax = tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)*cScale + cBias;
1016 m_gradientTex->getRefTexture().allocLevel(levelNdx);
1017 tcu::fillWithComponentGradients(m_gradientTex->getRefTexture().getLevel(levelNdx), gMin, gMax);
1020 // Fill second with grid texture.
1021 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++)
1023 deUint32 step = 0x00ffffff / numLevels;
1024 deUint32 rgb = step*levelNdx;
1025 deUint32 colorA = 0xff000000 | rgb;
1026 deUint32 colorB = 0xff000000 | ~rgb;
1028 m_gridTex->getRefTexture().allocLevel(levelNdx);
1029 tcu::fillWithGrid(m_gridTex->getRefTexture().getLevel(levelNdx), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias);
1033 m_gradientTex->upload();
1034 m_gridTex->upload();
1037 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec3(1.5f, 2.8f, 1.0f), tcu::Vec3(-1.0f, -2.7f, -2.275f)));
1038 m_cases.push_back(FilterCase(m_gradientTex, tcu::Vec3(-2.0f, -1.5f, -1.8f), tcu::Vec3(-0.1f, 0.9f, -0.25f)));
1039 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec3(0.2f, 0.175f, 0.3f), tcu::Vec3(-2.0f, -3.7f, -1.825f)));
1040 m_cases.push_back(FilterCase(m_gridTex, tcu::Vec3(-0.8f, -2.3f, -2.5f), tcu::Vec3(0.2f, -0.1f, 1.325f)));
1043 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
1047 // Clean up to save memory.
1048 Texture3DFilteringCase::deinit();
1053 void Texture3DFilteringCase::deinit (void)
1055 delete m_gradientTex;
1058 m_gradientTex = DE_NULL;
1059 m_gridTex = DE_NULL;
1065 Texture3DFilteringCase::IterateResult Texture3DFilteringCase::iterate (void)
1067 const glw::Functions& gl = m_context.getRenderContext().getFunctions();
1068 const RandomViewport viewport (m_context.getRenderTarget(), TEX3D_VIEWPORT_WIDTH, TEX3D_VIEWPORT_HEIGHT, deStringHash(getName()) ^ deInt32Hash(m_caseNdx));
1069 const FilterCase& curCase = m_cases[m_caseNdx];
1070 const tcu::TextureFormat texFmt = curCase.texture->getRefTexture().getFormat();
1071 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
1072 const tcu::ScopedLogSection section (m_testCtx.getLog(), string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx));
1073 ReferenceParams refParams (TEXTURETYPE_3D);
1074 tcu::Surface rendered (viewport.width, viewport.height);
1075 tcu::Vec3 texCoord[4];
1077 if (viewport.width < TEX3D_MIN_VIEWPORT_WIDTH || viewport.height < TEX3D_MIN_VIEWPORT_HEIGHT)
1078 throw tcu::NotSupportedError("Too small render target", "", __FILE__, __LINE__);
1080 // Setup params for reference.
1081 refParams.sampler = glu::mapGLSampler(m_wrapS, m_wrapT, m_wrapR, m_minFilter, m_magFilter);
1082 refParams.samplerType = getSamplerType(texFmt);
1083 refParams.lodMode = LODMODE_EXACT;
1084 refParams.colorBias = fmtInfo.lookupBias;
1085 refParams.colorScale = fmtInfo.lookupScale;
1087 // Compute texture coordinates.
1088 m_testCtx.getLog() << TestLog::Message << "Approximate lod per axis = " << curCase.lod << ", offset = " << curCase.offset << TestLog::EndMessage;
1091 const float lodX = curCase.lod.x();
1092 const float lodY = curCase.lod.y();
1093 const float lodZ = curCase.lod.z();
1094 const float oX = curCase.offset.x();
1095 const float oY = curCase.offset.y();
1096 const float oZ = curCase.offset.z();
1097 const float sX = deFloatExp2(lodX)*float(viewport.width) / float(m_gradientTex->getRefTexture().getWidth());
1098 const float sY = deFloatExp2(lodY)*float(viewport.height) / float(m_gradientTex->getRefTexture().getHeight());
1099 const float sZ = deFloatExp2(lodZ)*float(de::max(viewport.width, viewport.height)) / float(m_gradientTex->getRefTexture().getDepth());
1101 texCoord[0] = tcu::Vec3(oX, oY, oZ);
1102 texCoord[1] = tcu::Vec3(oX, oY+sY, oZ + sZ*0.5f);
1103 texCoord[2] = tcu::Vec3(oX+sX, oY, oZ + sZ*0.5f);
1104 texCoord[3] = tcu::Vec3(oX+sX, oY+sY, oZ + sZ);
1107 gl.bindTexture (GL_TEXTURE_3D, curCase.texture->getGLTexture());
1108 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, m_minFilter);
1109 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, m_magFilter);
1110 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, m_wrapS);
1111 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, m_wrapT);
1112 gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, m_wrapR);
1114 gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
1115 m_renderer.renderQuad(0, (const float*)&texCoord[0], refParams);
1116 glu::readPixels(m_context.getRenderContext(), viewport.x, viewport.y, rendered.getAccess());
1119 const bool isNearestOnly = m_minFilter == GL_NEAREST && m_magFilter == GL_NEAREST;
1120 const tcu::PixelFormat pixelFormat = m_context.getRenderTarget().getPixelFormat();
1121 const tcu::IVec4 colorBits = max(getBitsVec(pixelFormat) - (isNearestOnly ? 1 : 2), tcu::IVec4(0)); // 1 inaccurate bit if nearest only, 2 otherwise
1122 tcu::LodPrecision lodPrecision;
1123 tcu::LookupPrecision lookupPrecision;
1125 lodPrecision.derivateBits = 18;
1126 lodPrecision.lodBits = 6;
1127 lookupPrecision.colorThreshold = tcu::computeFixedPointThreshold(colorBits) / refParams.colorScale;
1128 lookupPrecision.coordBits = tcu::IVec3(20,20,20);
1129 lookupPrecision.uvwBits = tcu::IVec3(7,7,7);
1130 lookupPrecision.colorMask = getCompareMask(pixelFormat);
1132 const bool isHighQuality = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
1133 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
1137 // Evaluate against lower precision requirements.
1138 lodPrecision.lodBits = 4;
1139 lookupPrecision.uvwBits = tcu::IVec3(4,4,4);
1141 m_testCtx.getLog() << TestLog::Message << "Warning: Verification against high precision requirements failed, trying with lower requirements." << TestLog::EndMessage;
1143 const bool isOk = verifyTextureResult(m_testCtx, rendered.getAccess(), curCase.texture->getRefTexture(),
1144 (const float*)&texCoord[0], refParams, lookupPrecision, lodPrecision, pixelFormat);
1148 m_testCtx.getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage;
1149 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image verification failed");
1151 else if (m_testCtx.getTestResult() == QP_TEST_RESULT_PASS)
1152 m_testCtx.setTestResult(QP_TEST_RESULT_QUALITY_WARNING, "Low-quality filtering result");
1157 return m_caseNdx < (int)m_cases.size() ? CONTINUE : STOP;
1160 TextureFilteringTests::TextureFilteringTests (Context& context)
1161 : TestCaseGroup(context, "filtering", "Texture Filtering Tests")
1165 TextureFilteringTests::~TextureFilteringTests (void)
1169 void TextureFilteringTests::init (void)
1177 { "clamp", GL_CLAMP_TO_EDGE },
1178 { "repeat", GL_REPEAT },
1179 { "mirror", GL_MIRRORED_REPEAT }
1186 } minFilterModes[] =
1188 { "nearest", GL_NEAREST },
1189 { "linear", GL_LINEAR },
1190 { "nearest_mipmap_nearest", GL_NEAREST_MIPMAP_NEAREST },
1191 { "linear_mipmap_nearest", GL_LINEAR_MIPMAP_NEAREST },
1192 { "nearest_mipmap_linear", GL_NEAREST_MIPMAP_LINEAR },
1193 { "linear_mipmap_linear", GL_LINEAR_MIPMAP_LINEAR }
1200 } magFilterModes[] =
1202 { "nearest", GL_NEAREST },
1203 { "linear", GL_LINEAR }
1265 } filterableFormatsByType[] =
1267 { "rgba16f", GL_RGBA16F },
1268 { "r11f_g11f_b10f", GL_R11F_G11F_B10F },
1269 { "rgb9_e5", GL_RGB9_E5 },
1270 { "rgba8", GL_RGBA8 },
1271 { "rgba8_snorm", GL_RGBA8_SNORM },
1272 { "rgb565", GL_RGB565 },
1273 { "rgba4", GL_RGBA4 },
1274 { "rgb5_a1", GL_RGB5_A1 },
1275 { "srgb8_alpha8", GL_SRGB8_ALPHA8 },
1276 { "rgb10_a2", GL_RGB10_A2 }
1279 // 2D texture filtering.
1281 tcu::TestCaseGroup* group2D = new tcu::TestCaseGroup(m_testCtx, "2d", "2D Texture Filtering");
1285 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Texture Formats");
1286 group2D->addChild(formatsGroup);
1287 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1289 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1291 deUint32 minFilter = minFilterModes[filterNdx].mode;
1292 const char* filterName = minFilterModes[filterNdx].name;
1293 deUint32 format = filterableFormatsByType[fmtNdx].format;
1294 const char* formatName = filterableFormatsByType[fmtNdx].name;
1295 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1296 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1297 string name = string(formatName) + "_" + filterName;
1298 deUint32 wrapS = GL_REPEAT;
1299 deUint32 wrapT = GL_REPEAT;
1303 formatsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1305 minFilter, magFilter,
1314 std::vector<std::string> filenames;
1315 for (int i = 0; i <= 7; i++)
1316 filenames.push_back(string("data/etc1/photo_helsinki_mip_") + de::toString(i) + ".pkm");
1318 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1320 deUint32 minFilter = minFilterModes[filterNdx].mode;
1321 const char* filterName = minFilterModes[filterNdx].name;
1322 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1323 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1324 string name = string("etc1_rgb8_") + filterName;
1325 deUint32 wrapS = GL_REPEAT;
1326 deUint32 wrapT = GL_REPEAT;
1328 formatsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1330 minFilter, magFilter,
1337 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1338 group2D->addChild(sizesGroup);
1339 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2D); sizeNdx++)
1341 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1343 deUint32 minFilter = minFilterModes[filterNdx].mode;
1344 const char* filterName = minFilterModes[filterNdx].name;
1345 deUint32 format = GL_RGBA8;
1346 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1347 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1348 deUint32 wrapS = GL_REPEAT;
1349 deUint32 wrapT = GL_REPEAT;
1350 int width = sizes2D[sizeNdx].width;
1351 int height = sizes2D[sizeNdx].height;
1352 string name = de::toString(width) + "x" + de::toString(height) + "_" + filterName;
1354 sizesGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1356 minFilter, magFilter,
1364 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1365 group2D->addChild(combinationsGroup);
1366 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1368 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1370 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1372 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1374 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1375 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1376 deUint32 format = GL_RGBA8;
1377 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1378 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1381 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1383 combinationsGroup->addChild(new Texture2DFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1385 minFilter, magFilter,
1395 // Cube map texture filtering.
1397 tcu::TestCaseGroup* groupCube = new tcu::TestCaseGroup(m_testCtx, "cube", "Cube Map Texture Filtering");
1398 addChild(groupCube);
1401 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Texture Formats");
1402 groupCube->addChild(formatsGroup);
1403 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1405 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1407 deUint32 minFilter = minFilterModes[filterNdx].mode;
1408 const char* filterName = minFilterModes[filterNdx].name;
1409 deUint32 format = filterableFormatsByType[fmtNdx].format;
1410 const char* formatName = filterableFormatsByType[fmtNdx].name;
1411 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1412 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1413 string name = string(formatName) + "_" + filterName;
1414 deUint32 wrapS = GL_REPEAT;
1415 deUint32 wrapT = GL_REPEAT;
1419 formatsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1421 minFilter, magFilter,
1423 false /* always sample exterior as well */,
1431 static const char* faceExt[] = { "neg_x", "pos_x", "neg_y", "pos_y", "neg_z", "pos_z" };
1433 const int numLevels = 7;
1434 vector<string> filenames;
1435 for (int level = 0; level < numLevels; level++)
1436 for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
1437 filenames.push_back(string("data/etc1/skybox_") + faceExt[face] + "_mip_" + de::toString(level) + ".pkm");
1439 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1441 deUint32 minFilter = minFilterModes[filterNdx].mode;
1442 const char* filterName = minFilterModes[filterNdx].name;
1443 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1444 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1445 string name = string("etc1_rgb8_") + filterName;
1446 deUint32 wrapS = GL_REPEAT;
1447 deUint32 wrapT = GL_REPEAT;
1449 formatsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1451 minFilter, magFilter,
1453 false /* always sample exterior as well */,
1459 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1460 groupCube->addChild(sizesGroup);
1461 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizesCube); sizeNdx++)
1463 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1465 deUint32 minFilter = minFilterModes[filterNdx].mode;
1466 const char* filterName = minFilterModes[filterNdx].name;
1467 deUint32 format = GL_RGBA8;
1468 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1469 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1470 deUint32 wrapS = GL_REPEAT;
1471 deUint32 wrapT = GL_REPEAT;
1472 int width = sizesCube[sizeNdx].width;
1473 int height = sizesCube[sizeNdx].height;
1474 string name = de::toString(width) + "x" + de::toString(height) + "_" + filterName;
1476 sizesGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1478 minFilter, magFilter,
1486 // Filter/wrap mode combinations.
1487 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1488 groupCube->addChild(combinationsGroup);
1489 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1491 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1493 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1495 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1497 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1498 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1499 deUint32 format = GL_RGBA8;
1500 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1501 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1504 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1506 combinationsGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1508 minFilter, magFilter,
1518 // Cases with no visible cube edges.
1519 tcu::TestCaseGroup* onlyFaceInteriorGroup = new tcu::TestCaseGroup(m_testCtx, "no_edges_visible", "Don't sample anywhere near a face's edges");
1520 groupCube->addChild(onlyFaceInteriorGroup);
1522 for (int isLinearI = 0; isLinearI <= 1; isLinearI++)
1524 bool isLinear = isLinearI != 0;
1525 deUint32 filter = isLinear ? GL_LINEAR : GL_NEAREST;
1527 onlyFaceInteriorGroup->addChild(new TextureCubeFilteringCase(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo(),
1528 isLinear ? "linear" : "nearest", "",
1530 GL_REPEAT, GL_REPEAT,
1537 // 2D array texture filtering.
1539 tcu::TestCaseGroup* const group2DArray = new tcu::TestCaseGroup(m_testCtx, "2d_array", "2D Array Texture Filtering");
1540 addChild(group2DArray);
1543 tcu::TestCaseGroup* const formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "2D Array Texture Formats");
1544 group2DArray->addChild(formatsGroup);
1545 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1547 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1549 deUint32 minFilter = minFilterModes[filterNdx].mode;
1550 const char* filterName = minFilterModes[filterNdx].name;
1551 deUint32 format = filterableFormatsByType[fmtNdx].format;
1552 const char* formatName = filterableFormatsByType[fmtNdx].name;
1553 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1554 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1555 string name = string(formatName) + "_" + filterName;
1556 deUint32 wrapS = GL_REPEAT;
1557 deUint32 wrapT = GL_REPEAT;
1562 formatsGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1564 minFilter, magFilter,
1567 width, height, numLayers));
1572 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1573 group2DArray->addChild(sizesGroup);
1574 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes2DArray); sizeNdx++)
1576 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1578 deUint32 minFilter = minFilterModes[filterNdx].mode;
1579 const char* filterName = minFilterModes[filterNdx].name;
1580 deUint32 format = GL_RGBA8;
1581 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1582 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1583 deUint32 wrapS = GL_REPEAT;
1584 deUint32 wrapT = GL_REPEAT;
1585 int width = sizes2DArray[sizeNdx].width;
1586 int height = sizes2DArray[sizeNdx].height;
1587 int numLayers = sizes2DArray[sizeNdx].numLayers;
1588 string name = de::toString(width) + "x" + de::toString(height) + "x" + de::toString(numLayers) + "_" + filterName;
1590 sizesGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1592 minFilter, magFilter,
1595 width, height, numLayers));
1600 tcu::TestCaseGroup* const combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1601 group2DArray->addChild(combinationsGroup);
1602 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1604 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1606 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1608 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1610 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1611 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1612 deUint32 format = GL_RGBA8;
1613 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1614 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1618 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name;
1620 combinationsGroup->addChild(new Texture2DArrayFilteringCase(m_context,
1622 minFilter, magFilter,
1625 width, height, numLayers));
1632 // 3D texture filtering.
1634 tcu::TestCaseGroup* group3D = new tcu::TestCaseGroup(m_testCtx, "3d", "3D Texture Filtering");
1638 tcu::TestCaseGroup* formatsGroup = new tcu::TestCaseGroup(m_testCtx, "formats", "3D Texture Formats");
1639 group3D->addChild(formatsGroup);
1640 for (int fmtNdx = 0; fmtNdx < DE_LENGTH_OF_ARRAY(filterableFormatsByType); fmtNdx++)
1642 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1644 deUint32 minFilter = minFilterModes[filterNdx].mode;
1645 const char* filterName = minFilterModes[filterNdx].name;
1646 deUint32 format = filterableFormatsByType[fmtNdx].format;
1647 const char* formatName = filterableFormatsByType[fmtNdx].name;
1648 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1649 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1650 string name = string(formatName) + "_" + filterName;
1651 deUint32 wrapS = GL_REPEAT;
1652 deUint32 wrapT = GL_REPEAT;
1653 deUint32 wrapR = GL_REPEAT;
1658 formatsGroup->addChild(new Texture3DFilteringCase(m_context,
1660 minFilter, magFilter,
1661 wrapS, wrapT, wrapR,
1663 width, height, depth));
1668 tcu::TestCaseGroup* sizesGroup = new tcu::TestCaseGroup(m_testCtx, "sizes", "Texture Sizes");
1669 group3D->addChild(sizesGroup);
1670 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes3D); sizeNdx++)
1672 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); filterNdx++)
1674 deUint32 minFilter = minFilterModes[filterNdx].mode;
1675 const char* filterName = minFilterModes[filterNdx].name;
1676 deUint32 format = GL_RGBA8;
1677 bool isMipmap = minFilter != GL_NEAREST && minFilter != GL_LINEAR;
1678 deUint32 magFilter = isMipmap ? GL_LINEAR : minFilter;
1679 deUint32 wrapS = GL_REPEAT;
1680 deUint32 wrapT = GL_REPEAT;
1681 deUint32 wrapR = GL_REPEAT;
1682 int width = sizes3D[sizeNdx].width;
1683 int height = sizes3D[sizeNdx].height;
1684 int depth = sizes3D[sizeNdx].depth;
1685 string name = de::toString(width) + "x" + de::toString(height) + "x" + de::toString(depth) + "_" + filterName;
1687 sizesGroup->addChild(new Texture3DFilteringCase(m_context,
1689 minFilter, magFilter,
1690 wrapS, wrapT, wrapR,
1692 width, height, depth));
1697 tcu::TestCaseGroup* combinationsGroup = new tcu::TestCaseGroup(m_testCtx, "combinations", "Filter and wrap mode combinations");
1698 group3D->addChild(combinationsGroup);
1699 for (int minFilterNdx = 0; minFilterNdx < DE_LENGTH_OF_ARRAY(minFilterModes); minFilterNdx++)
1701 for (int magFilterNdx = 0; magFilterNdx < DE_LENGTH_OF_ARRAY(magFilterModes); magFilterNdx++)
1703 for (int wrapSNdx = 0; wrapSNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapSNdx++)
1705 for (int wrapTNdx = 0; wrapTNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapTNdx++)
1707 for (int wrapRNdx = 0; wrapRNdx < DE_LENGTH_OF_ARRAY(wrapModes); wrapRNdx++)
1709 deUint32 minFilter = minFilterModes[minFilterNdx].mode;
1710 deUint32 magFilter = magFilterModes[magFilterNdx].mode;
1711 deUint32 format = GL_RGBA8;
1712 deUint32 wrapS = wrapModes[wrapSNdx].mode;
1713 deUint32 wrapT = wrapModes[wrapTNdx].mode;
1714 deUint32 wrapR = wrapModes[wrapRNdx].mode;
1718 string name = string(minFilterModes[minFilterNdx].name) + "_" + magFilterModes[magFilterNdx].name + "_" + wrapModes[wrapSNdx].name + "_" + wrapModes[wrapTNdx].name + "_" + wrapModes[wrapRNdx].name;
1720 combinationsGroup->addChild(new Texture3DFilteringCase(m_context,
1722 minFilter, magFilter,
1723 wrapS, wrapT, wrapR,
1725 width, height, depth));