1 /*------------------------------------------------------------------------- 2 * Vulkan Conformance Tests 3 * ------------------------ 4 * 5 * Copyright 2014 The Android Open Source Project 6 * Copyright (c) 2016 The Khronos Group Inc. 7 * Copyright (c) 2016 Samsung Electronics Co., Ltd. 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Shadow texture lookup tests. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "vktTextureShadowTests.hpp" 27 28 #include "deMath.h" 29 #include "deString.h" 30 #include "deStringUtil.hpp" 31 #include "gluPixelTransfer.hpp" 32 #include "gluTextureTestUtil.hpp" 33 #include "glwEnums.hpp" 34 #include "glwFunctions.hpp" 35 #include "tcuImageIO.hpp" 36 #include "tcuRenderTarget.hpp" 37 #include "tcuTexCompareVerifier.hpp" 38 #include "tcuTexVerifierUtil.hpp" 39 #include "tcuTexture.hpp" 40 #include "tcuTextureUtil.hpp" 41 #include "vkImageUtil.hpp" 42 #include "vkTypeUtil.hpp" 43 #include "vktTestGroupUtil.hpp" 44 #include "vktTextureTestUtil.hpp" 45 46 using namespace vk; 47 48 namespace vkt 49 { 50 namespace texture 51 { 52 namespace 53 { 54 55 using std::vector; 56 using std::string; 57 using tcu::TestLog; 58 using tcu::Sampler; 59 using namespace texture::util; 60 using namespace glu::TextureTestUtil; 61 62 enum 63 { 64 TEXCUBE_VIEWPORT_SIZE = 28, 65 TEX2D_VIEWPORT_WIDTH = 64, 66 TEX2D_VIEWPORT_HEIGHT = 64 67 }; 68 69 struct TextureShadowCommonTestCaseParameters 70 { 71 TextureShadowCommonTestCaseParameters (void); 72 Sampler::CompareMode compareOp; 73 }; 74 75 TextureShadowCommonTestCaseParameters::TextureShadowCommonTestCaseParameters (void) 76 : compareOp (Sampler::COMPAREMODE_EQUAL) 77 { 78 } 79 80 struct Texture2DShadowTestCaseParameters : public Texture2DTestCaseParameters, public TextureShadowCommonTestCaseParameters 81 { 82 }; 83 84 bool isFloatingPointDepthFormat (const tcu::TextureFormat& format) 85 { 86 // Only two depth and depth-stencil formats are floating point 87 return (format.order == tcu::TextureFormat::D && format.type == tcu::TextureFormat::FLOAT) || 88 (format.order == tcu::TextureFormat::DS && format.type == tcu::TextureFormat::FLOAT_UNSIGNED_INT_24_8_REV); 89 } 90 91 void clampFloatingPointTexture (const tcu::PixelBufferAccess& access) 92 { 93 DE_ASSERT(isFloatingPointDepthFormat(access.getFormat())); 94 95 for (int z = 0; z < access.getDepth(); ++z) 96 for (int y = 0; y < access.getHeight(); ++y) 97 for (int x = 0; x < access.getWidth(); ++x) 98 access.setPixDepth(de::clamp(access.getPixDepth(x, y, z), 0.0f, 1.0f), x, y, z); 99 } 100 101 void clampFloatingPointTexture (tcu::Texture2D& target) 102 { 103 for (int level = 0; level < target.getNumLevels(); ++level) 104 if (!target.isLevelEmpty(level)) 105 clampFloatingPointTexture(target.getLevel(level)); 106 } 107 108 static void clampFloatingPointTexture (tcu::Texture2DArray& target) 109 { 110 for (int level = 0; level < target.getNumLevels(); ++level) 111 if (!target.isLevelEmpty(level)) 112 clampFloatingPointTexture(target.getLevel(level)); 113 } 114 115 void clampFloatingPointTexture (tcu::TextureCube& target) 116 { 117 for (int level = 0; level < target.getNumLevels(); ++level) 118 for (int face = tcu::CUBEFACE_NEGATIVE_X; face < tcu::CUBEFACE_LAST; ++face) 119 clampFloatingPointTexture(target.getLevelFace(level, (tcu::CubeFace)face)); 120 } 121 122 tcu::PixelFormat getPixelFormat(tcu::TextureFormat texFormat) 123 { 124 const tcu::IVec4 formatBitDepth = tcu::getTextureFormatBitDepth(tcu::getEffectiveDepthStencilTextureFormat(texFormat, Sampler::MODE_DEPTH)); 125 return tcu::PixelFormat(formatBitDepth[0], formatBitDepth[1], formatBitDepth[2], formatBitDepth[3]); 126 } 127 128 template<typename TextureType> 129 bool verifyTexCompareResult (tcu::TestContext& testCtx, 130 const tcu::ConstPixelBufferAccess& result, 131 const TextureType& src, 132 const float* texCoord, 133 const ReferenceParams& sampleParams, 134 const tcu::TexComparePrecision& comparePrec, 135 const tcu::LodPrecision& lodPrec, 136 const tcu::PixelFormat& pixelFormat) 137 { 138 tcu::TestLog& log = testCtx.getLog(); 139 tcu::Surface reference (result.getWidth(), result.getHeight()); 140 tcu::Surface errorMask (result.getWidth(), result.getHeight()); 141 const tcu::Vec3 nonShadowThreshold = tcu::computeFixedPointThreshold(getBitsVec(pixelFormat)-1).swizzle(1,2,3); 142 int numFailedPixels; 143 144 // sampleTexture() expects source image to be the same state as it would be in a GL implementation, that is 145 // the floating point depth values should be in [0, 1] range as data is clamped during texture upload. Since 146 // we don't have a separate "uploading" phase and just reuse the buffer we used for GL-upload, do the clamping 147 // here if necessary. 148 149 if (isFloatingPointDepthFormat(src.getFormat())) 150 { 151 TextureType clampedSource(src); 152 153 clampFloatingPointTexture(clampedSource); 154 155 // sample clamped values 156 157 sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), clampedSource, texCoord, sampleParams); 158 numFailedPixels = computeTextureCompareDiff(result, reference.getAccess(), errorMask.getAccess(), clampedSource, texCoord, sampleParams, comparePrec, lodPrec, nonShadowThreshold); 159 } 160 else 161 { 162 // sample raw values (they are guaranteed to be in [0, 1] range as the format cannot represent any other values) 163 164 sampleTexture(tcu::SurfaceAccess(reference, pixelFormat), src, texCoord, sampleParams); 165 numFailedPixels = computeTextureCompareDiff(result, reference.getAccess(), errorMask.getAccess(), src, texCoord, sampleParams, comparePrec, lodPrec, nonShadowThreshold); 166 } 167 168 if (numFailedPixels > 0) 169 log << TestLog::Message << "ERROR: Result verification failed, got " << numFailedPixels << " invalid pixels!" << TestLog::EndMessage; 170 171 log << TestLog::ImageSet("VerifyResult", "Verification result") 172 << TestLog::Image("Rendered", "Rendered image", result); 173 174 if (numFailedPixels > 0) 175 { 176 log << TestLog::Image("Reference", "Ideal reference image", reference) 177 << TestLog::Image("ErrorMask", "Error mask", errorMask); 178 } 179 180 log << TestLog::EndImageSet; 181 182 return numFailedPixels == 0; 183 } 184 185 class Texture2DShadowTestInstance : public TestInstance 186 { 187 public: 188 typedef Texture2DShadowTestCaseParameters ParameterType; 189 Texture2DShadowTestInstance (Context& context, const ParameterType& testParameters); 190 ~Texture2DShadowTestInstance (void); 191 192 virtual tcu::TestStatus iterate (void); 193 194 private: 195 Texture2DShadowTestInstance (const Texture2DShadowTestInstance& other); 196 Texture2DShadowTestInstance& operator= (const Texture2DShadowTestInstance& other); 197 198 struct FilterCase 199 { 200 int textureIndex; 201 202 tcu::Vec2 minCoord; 203 tcu::Vec2 maxCoord; 204 float ref; 205 206 FilterCase (void) 207 : textureIndex(-1) 208 , ref (0.0f) 209 { 210 } 211 212 FilterCase (int tex_, const float ref_, const tcu::Vec2& minCoord_, const tcu::Vec2& maxCoord_) 213 : textureIndex (tex_) 214 , minCoord (minCoord_) 215 , maxCoord (maxCoord_) 216 , ref (ref_) 217 { 218 } 219 }; 220 221 const ParameterType& m_testParameters; 222 std::vector<TestTexture2DSp> m_textures; 223 std::vector<FilterCase> m_cases; 224 225 TextureRenderer m_renderer; 226 227 int m_caseNdx; 228 }; 229 230 Texture2DShadowTestInstance::Texture2DShadowTestInstance (Context& context, const ParameterType& testParameters) 231 : TestInstance (context) 232 , m_testParameters (testParameters) 233 , m_renderer (context, testParameters.sampleCount, TEX2D_VIEWPORT_WIDTH, TEX2D_VIEWPORT_HEIGHT) 234 , m_caseNdx (0) 235 { 236 // Create 2 textures. 237 m_textures.reserve(2); 238 for (int ndx = 0; ndx < 2; ndx++) 239 { 240 m_textures.push_back(TestTexture2DSp(new pipeline::TestTexture2D(vk::mapVkFormat(m_testParameters.format), m_testParameters.width, m_testParameters.height))); 241 } 242 243 const int numLevels = m_textures[0]->getNumLevels(); 244 245 // Fill first gradient texture. 246 for (int levelNdx = 0; levelNdx < numLevels; ++levelNdx) 247 { 248 tcu::fillWithComponentGradients(m_textures[0]->getLevel(levelNdx, 0), tcu::Vec4(-0.5f, -0.5f, -0.5f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f)); 249 } 250 251 // Fill second with grid texture. 252 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++) 253 { 254 const deUint32 step = 0x00ffffff / numLevels; 255 const deUint32 rgb = step*levelNdx; 256 const deUint32 colorA = 0xff000000 | rgb; 257 const deUint32 colorB = 0xff000000 | ~rgb; 258 259 tcu::fillWithGrid(m_textures[1]->getLevel(levelNdx, 0), 4, tcu::RGBA(colorA).toVec(), tcu::RGBA(colorB).toVec()); 260 } 261 262 // Upload. 263 for (std::vector<TestTexture2DSp>::iterator i = m_textures.begin(); i != m_textures.end(); ++i) 264 { 265 m_renderer.add2DTexture(*i); 266 } 267 268 // Compute cases. 269 { 270 const float refInRangeUpper = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 1.0f : 0.5f; 271 const float refInRangeLower = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 0.0f : 0.5f; 272 const float refOutOfBoundsUpper = 1.1f; // !< lookup function should clamp values to [0, 1] range 273 const float refOutOfBoundsLower = -0.1f; 274 275 const struct 276 { 277 const int texNdx; 278 const float ref; 279 const float lodX; 280 const float lodY; 281 const float oX; 282 const float oY; 283 } cases[] = 284 { 285 { 0, refInRangeUpper, 1.6f, 2.9f, -1.0f, -2.7f }, 286 { 0, refInRangeLower, -2.0f, -1.35f, -0.2f, 0.7f }, 287 { 1, refInRangeUpper, 0.14f, 0.275f, -1.5f, -1.1f }, 288 { 1, refInRangeLower, -0.92f, -2.64f, 0.4f, -0.1f }, 289 { 1, refOutOfBoundsUpper, -0.39f, -0.52f, 0.65f, 0.87f }, 290 { 1, refOutOfBoundsLower, -1.55f, 0.65f, 0.35f, 0.91f }, 291 }; 292 293 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++) 294 { 295 const int texNdx = de::clamp(cases[caseNdx].texNdx, 0, (int)m_textures.size()-1); 296 const float ref = cases[caseNdx].ref; 297 const float lodX = cases[caseNdx].lodX; 298 const float lodY = cases[caseNdx].lodY; 299 const float oX = cases[caseNdx].oX; 300 const float oY = cases[caseNdx].oY; 301 const float sX = deFloatExp2(lodX) * float(m_renderer.getRenderWidth()) / float(m_textures[texNdx]->getTexture().getWidth()); 302 const float sY = deFloatExp2(lodY) * float(m_renderer.getRenderHeight()) / float(m_textures[texNdx]->getTexture().getHeight()); 303 304 m_cases.push_back(FilterCase(texNdx, ref, tcu::Vec2(oX, oY), tcu::Vec2(oX+sX, oY+sY))); 305 } 306 } 307 308 m_caseNdx = 0; 309 } 310 311 Texture2DShadowTestInstance::~Texture2DShadowTestInstance (void) 312 { 313 m_textures.clear(); 314 m_cases.clear(); 315 } 316 317 tcu::TestStatus Texture2DShadowTestInstance::iterate (void) 318 { 319 tcu::TestLog& log = m_context.getTestContext().getLog(); 320 const pipeline::TestTexture2D& texture = m_renderer.get2DTexture(m_cases[m_caseNdx].textureIndex); 321 const tcu::TextureFormat texFmt = texture.getTextureFormat(); 322 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt); 323 const tcu::ScopedLogSection section (log, string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx)); 324 325 const FilterCase& curCase = m_cases[m_caseNdx]; 326 ReferenceParams sampleParams (TEXTURETYPE_2D); 327 tcu::Surface rendered (m_renderer.getRenderWidth(), m_renderer.getRenderHeight()); 328 vector<float> texCoord; 329 330 // Setup params for reference. 331 sampleParams.sampler = util::createSampler(m_testParameters.wrapS, m_testParameters.wrapT, m_testParameters.minFilter, m_testParameters.magFilter); 332 sampleParams.sampler.compare = m_testParameters.compareOp; 333 sampleParams.samplerType = SAMPLERTYPE_SHADOW; 334 sampleParams.lodMode = LODMODE_EXACT; 335 sampleParams.colorBias = fmtInfo.lookupBias; 336 sampleParams.colorScale = fmtInfo.lookupScale; 337 sampleParams.ref = curCase.ref; 338 339 log << TestLog::Message << "Compare reference value = " << sampleParams.ref << TestLog::EndMessage; 340 341 // Compute texture coordinates. 342 log << TestLog::Message << "Texture coordinates: " << curCase.minCoord << " -> " << curCase.maxCoord << TestLog::EndMessage; 343 computeQuadTexCoord2D(texCoord, curCase.minCoord, curCase.maxCoord); 344 345 m_renderer.renderQuad(rendered, curCase.textureIndex, &texCoord[0], sampleParams); 346 347 { 348 const tcu::PixelFormat pixelFormat = getPixelFormat(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM)); 349 tcu::LodPrecision lodPrecision; 350 tcu::TexComparePrecision texComparePrecision; 351 352 lodPrecision.derivateBits = 18; 353 lodPrecision.lodBits = 6; 354 texComparePrecision.coordBits = tcu::IVec3(20,20,0); 355 texComparePrecision.uvwBits = tcu::IVec3(7,7,0); 356 texComparePrecision.pcfBits = 5; 357 texComparePrecision.referenceBits = 16; 358 texComparePrecision.resultBits = pixelFormat.redBits-1; 359 360 const bool isHighQuality = verifyTexCompareResult(m_context.getTestContext(), rendered.getAccess(), texture.getTexture(), 361 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 362 363 if (!isHighQuality) 364 { 365 m_context.getTestContext().getLog() << TestLog::Message << "Warning: Verification assuming high-quality PCF filtering failed." << TestLog::EndMessage; 366 367 lodPrecision.lodBits = 4; 368 texComparePrecision.uvwBits = tcu::IVec3(4,4,0); 369 texComparePrecision.pcfBits = 0; 370 371 const bool isOk = verifyTexCompareResult(m_context.getTestContext(), rendered.getAccess(), texture.getTexture(), 372 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 373 374 if (!isOk) 375 { 376 m_context.getTestContext().getLog() << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage; 377 return tcu::TestStatus::fail("Image verification failed"); 378 } 379 } 380 } 381 382 m_caseNdx += 1; 383 return m_caseNdx < (int)m_cases.size() ? tcu::TestStatus::incomplete() : tcu::TestStatus::pass("Pass"); 384 } 385 386 struct TextureCubeShadowTestCaseParameters : public TextureShadowCommonTestCaseParameters, public TextureCubeTestCaseParameters 387 { 388 }; 389 390 class TextureCubeShadowTestInstance : public TestInstance 391 { 392 public: 393 typedef TextureCubeShadowTestCaseParameters ParameterType; 394 TextureCubeShadowTestInstance (Context& context, const ParameterType& testParameters); 395 ~TextureCubeShadowTestInstance (void); 396 397 virtual tcu::TestStatus iterate (void); 398 399 private: 400 TextureCubeShadowTestInstance (const TextureCubeShadowTestInstance& other); 401 TextureCubeShadowTestInstance& operator= (const TextureCubeShadowTestInstance& other); 402 403 struct FilterCase 404 { 405 int textureIndex; 406 tcu::Vec2 bottomLeft; 407 tcu::Vec2 topRight; 408 float ref; 409 410 FilterCase (void) 411 : textureIndex (-1) 412 , ref (0.0f) 413 { 414 } 415 416 FilterCase (const int tex_, const float ref_, const tcu::Vec2& bottomLeft_, const tcu::Vec2& topRight_) 417 : textureIndex (tex_) 418 , bottomLeft (bottomLeft_) 419 , topRight (topRight_) 420 , ref (ref_) 421 { 422 } 423 }; 424 425 const ParameterType& m_testParameters; 426 vector<TestTextureCubeSp> m_textures; 427 std::vector<FilterCase> m_cases; 428 429 TextureRenderer m_renderer; 430 int m_caseNdx; 431 }; 432 433 TextureCubeShadowTestInstance::TextureCubeShadowTestInstance (Context& context, const ParameterType& testParameters) 434 : TestInstance (context) 435 , m_testParameters (testParameters) 436 , m_renderer (context, testParameters.sampleCount, TEXCUBE_VIEWPORT_SIZE, TEXCUBE_VIEWPORT_SIZE) 437 , m_caseNdx (0) 438 { 439 const int numLevels = deLog2Floor32(m_testParameters.size)+1; 440 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(vk::mapVkFormat(m_testParameters.format)); 441 const tcu::Vec4 cBias = fmtInfo.valueMin; 442 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin; 443 444 // Create textures. 445 446 m_textures.reserve(2); 447 for (int ndx = 0; ndx < 2; ndx++) 448 { 449 m_textures.push_back(TestTextureCubeSp(new pipeline::TestTextureCube(vk::mapVkFormat(m_testParameters.format), m_testParameters.size))); 450 } 451 452 // Fill first with gradient texture. 453 static const tcu::Vec4 gradients[tcu::CUBEFACE_LAST][2] = 454 { 455 { tcu::Vec4(-1.0f, -1.0f, -1.0f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative x 456 { tcu::Vec4( 0.0f, -1.0f, -1.0f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive x 457 { tcu::Vec4(-1.0f, 0.0f, -1.0f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // negative y 458 { tcu::Vec4(-1.0f, -1.0f, 0.0f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) }, // positive y 459 { tcu::Vec4(-1.0f, -1.0f, -1.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f) }, // negative z 460 { tcu::Vec4( 0.0f, 0.0f, 0.0f, 2.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 0.0f) } // positive z 461 }; 462 for (int face = 0; face < tcu::CUBEFACE_LAST; face++) 463 { 464 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++) 465 { 466 tcu::fillWithComponentGradients(m_textures[0]->getLevel(levelNdx, face), gradients[face][0]*cScale + cBias, gradients[face][1]*cScale + cBias); 467 } 468 } 469 470 // Fill second with grid texture. 471 for (int face = 0; face < tcu::CUBEFACE_LAST; face++) 472 { 473 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++) 474 { 475 const deUint32 step = 0x00ffffff / (numLevels*tcu::CUBEFACE_LAST); 476 const deUint32 rgb = step*levelNdx*face; 477 const deUint32 colorA = 0xff000000 | rgb; 478 const deUint32 colorB = 0xff000000 | ~rgb; 479 480 tcu::fillWithGrid(m_textures[1]->getLevel(levelNdx, face), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias); 481 } 482 } 483 484 // Upload. 485 for (vector<TestTextureCubeSp>::iterator i = m_textures.begin(); i != m_textures.end(); i++) 486 { 487 m_renderer.addCubeTexture(*i); 488 } 489 490 // Compute cases 491 { 492 const float refInRangeUpper = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 1.0f : 0.5f; 493 const float refInRangeLower = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 0.0f : 0.5f; 494 const float refOutOfBoundsUpper = 1.1f; 495 const float refOutOfBoundsLower = -0.1f; 496 497 m_cases.push_back(FilterCase(0, refInRangeUpper, tcu::Vec2(-1.25f, -1.2f), tcu::Vec2(1.2f, 1.25f))); // minification 498 m_cases.push_back(FilterCase(0, refInRangeLower, tcu::Vec2(0.8f, 0.8f), tcu::Vec2(1.25f, 1.20f))); // magnification 499 m_cases.push_back(FilterCase(1, refInRangeUpper, tcu::Vec2(-1.19f, -1.3f), tcu::Vec2(1.1f, 1.35f))); // minification 500 m_cases.push_back(FilterCase(1, refInRangeLower, tcu::Vec2(-1.2f, -1.1f), tcu::Vec2(-0.8f, -0.8f))); // magnification 501 m_cases.push_back(FilterCase(1, refOutOfBoundsUpper, tcu::Vec2(-0.61f, -0.1f), tcu::Vec2(0.9f, 1.18f))); // reference value clamp, upper 502 m_cases.push_back(FilterCase(1, refOutOfBoundsLower, tcu::Vec2(-0.75f, 1.0f), tcu::Vec2(0.05f, 0.75f))); // reference value clamp, lower 503 } 504 } 505 506 TextureCubeShadowTestInstance::~TextureCubeShadowTestInstance (void) 507 { 508 } 509 510 static const char* getFaceDesc (const tcu::CubeFace face) 511 { 512 switch (face) 513 { 514 case tcu::CUBEFACE_NEGATIVE_X: return "-X"; 515 case tcu::CUBEFACE_POSITIVE_X: return "+X"; 516 case tcu::CUBEFACE_NEGATIVE_Y: return "-Y"; 517 case tcu::CUBEFACE_POSITIVE_Y: return "+Y"; 518 case tcu::CUBEFACE_NEGATIVE_Z: return "-Z"; 519 case tcu::CUBEFACE_POSITIVE_Z: return "+Z"; 520 default: 521 DE_ASSERT(false); 522 return DE_NULL; 523 } 524 } 525 526 tcu::TestStatus TextureCubeShadowTestInstance::iterate (void) 527 { 528 529 tcu::TestLog& log = m_context.getTestContext().getLog(); 530 const tcu::ScopedLogSection iterSection (log, string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx)); 531 const FilterCase& curCase = m_cases[m_caseNdx]; 532 const pipeline::TestTextureCube& texture = m_renderer.getCubeTexture(curCase.textureIndex); 533 534 ReferenceParams sampleParams (TEXTURETYPE_CUBE); 535 536 // Params for reference computation. 537 sampleParams.sampler = util::createSampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, m_testParameters.minFilter, m_testParameters.magFilter); 538 sampleParams.sampler.seamlessCubeMap = true; 539 sampleParams.sampler.compare = m_testParameters.compareOp; 540 sampleParams.samplerType = SAMPLERTYPE_SHADOW; 541 sampleParams.lodMode = LODMODE_EXACT; 542 sampleParams.ref = curCase.ref; 543 544 log << TestLog::Message 545 << "Compare reference value = " << sampleParams.ref << "\n" 546 << "Coordinates: " << curCase.bottomLeft << " -> " << curCase.topRight 547 << TestLog::EndMessage; 548 549 for (int faceNdx = 0; faceNdx < tcu::CUBEFACE_LAST; faceNdx++) 550 { 551 const tcu::CubeFace face = tcu::CubeFace(faceNdx); 552 tcu::Surface result (m_renderer.getRenderWidth(), m_renderer.getRenderHeight()); 553 vector<float> texCoord; 554 555 computeQuadTexCoordCube(texCoord, face, curCase.bottomLeft, curCase.topRight); 556 557 log << TestLog::Message << "Face " << getFaceDesc(face) << TestLog::EndMessage; 558 559 // \todo Log texture coordinates. 560 561 m_renderer.renderQuad(result, curCase.textureIndex, &texCoord[0], sampleParams); 562 563 { 564 const tcu::PixelFormat pixelFormat = getPixelFormat(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM)); 565 tcu::LodPrecision lodPrecision; 566 tcu::TexComparePrecision texComparePrecision; 567 568 lodPrecision.derivateBits = 10; 569 lodPrecision.lodBits = 5; 570 texComparePrecision.coordBits = tcu::IVec3(10,10,10); 571 texComparePrecision.uvwBits = tcu::IVec3(6,6,0); 572 texComparePrecision.pcfBits = 5; 573 texComparePrecision.referenceBits = 16; 574 texComparePrecision.resultBits = pixelFormat.redBits-1; 575 576 const bool isHighQuality = verifyTexCompareResult(m_context.getTestContext(), result.getAccess(), texture.getTexture(), 577 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 578 579 if (!isHighQuality) 580 { 581 log << TestLog::Message << "Warning: Verification assuming high-quality PCF filtering failed." << TestLog::EndMessage; 582 583 lodPrecision.lodBits = 4; 584 texComparePrecision.uvwBits = tcu::IVec3(4,4,0); 585 texComparePrecision.pcfBits = 0; 586 587 const bool isOk = verifyTexCompareResult(m_context.getTestContext(), result.getAccess(), texture.getTexture(), 588 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 589 590 if (!isOk) 591 { 592 log << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage; 593 return tcu::TestStatus::fail("Image verification failed"); 594 } 595 } 596 } 597 } 598 599 m_caseNdx += 1; 600 return m_caseNdx < (int)m_cases.size() ? tcu::TestStatus::incomplete() : tcu::TestStatus::pass("Pass"); 601 } 602 603 struct Texture2DArrayShadowTestCaseParameters : public TextureShadowCommonTestCaseParameters, public Texture2DArrayTestCaseParameters 604 { 605 }; 606 607 class Texture2DArrayShadowTestInstance : public TestInstance 608 { 609 public: 610 typedef Texture2DArrayShadowTestCaseParameters ParameterType; 611 Texture2DArrayShadowTestInstance (Context& context, const ParameterType& testParameters); 612 ~Texture2DArrayShadowTestInstance (void); 613 614 virtual tcu::TestStatus iterate (void); 615 616 private: 617 Texture2DArrayShadowTestInstance (const Texture2DArrayShadowTestInstance& other); 618 Texture2DArrayShadowTestInstance& operator= (const Texture2DArrayShadowTestInstance& other); 619 620 struct FilterCase 621 { 622 int textureIndex; 623 tcu::Vec3 minCoord; 624 tcu::Vec3 maxCoord; 625 float ref; 626 627 FilterCase (void) 628 : textureIndex (-1) 629 , ref (0.0f) 630 { 631 } 632 633 FilterCase (const int tex_, float ref_, const tcu::Vec3& minCoord_, const tcu::Vec3& maxCoord_) 634 : textureIndex (tex_) 635 , minCoord (minCoord_) 636 , maxCoord (maxCoord_) 637 , ref (ref_) 638 { 639 } 640 }; 641 642 const ParameterType& m_testParameters; 643 std::vector<TestTexture2DArraySp> m_textures; 644 std::vector<FilterCase> m_cases; 645 646 TextureRenderer m_renderer; 647 648 int m_caseNdx; 649 }; 650 651 Texture2DArrayShadowTestInstance::Texture2DArrayShadowTestInstance (Context& context, const ParameterType& testParameters) 652 : TestInstance (context) 653 , m_testParameters (testParameters) 654 , m_renderer (context, testParameters.sampleCount, TEX2D_VIEWPORT_WIDTH, TEX2D_VIEWPORT_HEIGHT) 655 , m_caseNdx (0) 656 { 657 const int numLevels = deLog2Floor32(de::max(m_testParameters.width, m_testParameters.height))+1; 658 const tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(vk::mapVkFormat(m_testParameters.format)); 659 const tcu::Vec4 cScale = fmtInfo.valueMax-fmtInfo.valueMin; 660 const tcu::Vec4 cBias = fmtInfo.valueMin; 661 662 // Create 2 textures. 663 m_textures.reserve(2); 664 for (int ndx = 0; ndx < 2; ndx++) 665 { 666 m_textures.push_back(TestTexture2DArraySp(new pipeline::TestTexture2DArray(vk::mapVkFormat(m_testParameters.format), m_testParameters.width, m_testParameters.height, m_testParameters.numLayers))); 667 } 668 669 // Fill first gradient texture. 670 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++) 671 { 672 const tcu::Vec4 gMin = tcu::Vec4(-0.5f, -0.5f, -0.5f, 2.0f)*cScale + cBias; 673 const tcu::Vec4 gMax = tcu::Vec4( 1.0f, 1.0f, 1.0f, 0.0f)*cScale + cBias; 674 675 tcu::fillWithComponentGradients(m_textures[0]->getTexture().getLevel(levelNdx), gMin, gMax); 676 } 677 678 // Fill second with grid texture. 679 for (int levelNdx = 0; levelNdx < numLevels; levelNdx++) 680 { 681 const deUint32 step = 0x00ffffff / numLevels; 682 const deUint32 rgb = step*levelNdx; 683 const deUint32 colorA = 0xff000000 | rgb; 684 const deUint32 colorB = 0xff000000 | ~rgb; 685 686 tcu::fillWithGrid(m_textures[1]->getTexture().getLevel(levelNdx), 4, tcu::RGBA(colorA).toVec()*cScale + cBias, tcu::RGBA(colorB).toVec()*cScale + cBias); 687 } 688 689 // Upload. 690 for (std::vector<TestTexture2DArraySp>::iterator i = m_textures.begin(); i != m_textures.end(); ++i) 691 { 692 m_renderer.add2DArrayTexture(*i); 693 } 694 695 // Compute cases. 696 { 697 const float refInRangeUpper = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 1.0f : 0.5f; 698 const float refInRangeLower = (m_testParameters.compareOp == Sampler::COMPAREMODE_EQUAL || m_testParameters.compareOp == Sampler::COMPAREMODE_NOT_EQUAL) ? 0.0f : 0.5f; 699 const float refOutOfBoundsUpper = 1.1f; // !< lookup function should clamp values to [0, 1] range 700 const float refOutOfBoundsLower = -0.1f; 701 702 const struct 703 { 704 const int texNdx; 705 const float ref; 706 const float lodX; 707 const float lodY; 708 const float oX; 709 const float oY; 710 } cases[] = 711 { 712 { 0, refInRangeUpper, 1.6f, 2.9f, -1.0f, -2.7f }, 713 { 0, refInRangeLower, -2.0f, -1.35f, -0.2f, 0.7f }, 714 { 1, refInRangeUpper, 0.14f, 0.275f, -1.5f, -1.1f }, 715 { 1, refInRangeLower, -0.92f, -2.64f, 0.4f, -0.1f }, 716 { 1, refOutOfBoundsUpper, -0.49f, -0.22f, 0.45f, 0.97f }, 717 { 1, refOutOfBoundsLower, -0.85f, 0.75f, 0.25f, 0.61f }, 718 }; 719 720 const float minLayer = -0.5f; 721 const float maxLayer = (float)m_testParameters.numLayers; 722 723 for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); caseNdx++) 724 { 725 const int tex = cases[caseNdx].texNdx > 0 ? 1 : 0; 726 const float ref = cases[caseNdx].ref; 727 const float lodX = cases[caseNdx].lodX; 728 const float lodY = cases[caseNdx].lodY; 729 const float oX = cases[caseNdx].oX; 730 const float oY = cases[caseNdx].oY; 731 const float sX = deFloatExp2(lodX) * float(m_renderer.getRenderWidth()) / float(m_textures[tex]->getTexture().getWidth()); 732 const float sY = deFloatExp2(lodY) * float(m_renderer.getRenderHeight()) / float(m_textures[tex]->getTexture().getHeight()); 733 734 m_cases.push_back(FilterCase(tex, ref, tcu::Vec3(oX, oY, minLayer), tcu::Vec3(oX+sX, oY+sY, maxLayer))); 735 } 736 } 737 } 738 739 Texture2DArrayShadowTestInstance::~Texture2DArrayShadowTestInstance (void) 740 { 741 } 742 743 tcu::TestStatus Texture2DArrayShadowTestInstance::iterate (void) 744 { 745 tcu::TestLog& log = m_context.getTestContext().getLog(); 746 const FilterCase& curCase = m_cases[m_caseNdx]; 747 const pipeline::TestTexture2DArray& texture = m_renderer.get2DArrayTexture(curCase.textureIndex); 748 749 ReferenceParams sampleParams (TEXTURETYPE_2D_ARRAY); 750 tcu::Surface rendered (m_renderer.getRenderWidth(), m_renderer.getRenderHeight()); 751 const tcu::ScopedLogSection section (log, string("Test") + de::toString(m_caseNdx), string("Test ") + de::toString(m_caseNdx)); 752 753 const float texCoord[] = 754 { 755 curCase.minCoord.x(), curCase.minCoord.y(), curCase.minCoord.z(), 756 curCase.minCoord.x(), curCase.maxCoord.y(), (curCase.minCoord.z() + curCase.maxCoord.z()) / 2.0f, 757 curCase.maxCoord.x(), curCase.minCoord.y(), (curCase.minCoord.z() + curCase.maxCoord.z()) / 2.0f, 758 curCase.maxCoord.x(), curCase.maxCoord.y(), curCase.maxCoord.z() 759 }; 760 761 // Setup params for reference. 762 sampleParams.sampler = util::createSampler(m_testParameters.wrapS, m_testParameters.wrapT, m_testParameters.minFilter, m_testParameters.magFilter); 763 sampleParams.sampler.compare = m_testParameters.compareOp; 764 sampleParams.samplerType = SAMPLERTYPE_SHADOW; 765 sampleParams.lodMode = LODMODE_EXACT; 766 sampleParams.ref = curCase.ref; 767 768 log << TestLog::Message 769 << "Compare reference value = " << sampleParams.ref << "\n" 770 << "Texture coordinates: " << curCase.minCoord << " -> " << curCase.maxCoord 771 << TestLog::EndMessage; 772 773 m_renderer.renderQuad(rendered, curCase.textureIndex, &texCoord[0], sampleParams); 774 775 { 776 const tcu::PixelFormat pixelFormat = getPixelFormat(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM)); 777 tcu::LodPrecision lodPrecision; 778 tcu::TexComparePrecision texComparePrecision; 779 780 lodPrecision.derivateBits = 18; 781 lodPrecision.lodBits = 6; 782 texComparePrecision.coordBits = tcu::IVec3(20,20,20); 783 texComparePrecision.uvwBits = tcu::IVec3(7,7,7); 784 texComparePrecision.pcfBits = 5; 785 texComparePrecision.referenceBits = 16; 786 texComparePrecision.resultBits = pixelFormat.redBits-1; 787 788 const bool isHighQuality = verifyTexCompareResult(m_context.getTestContext(), rendered.getAccess(), texture.getTexture(), 789 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 790 791 if (!isHighQuality) 792 { 793 log << TestLog::Message << "Warning: Verification assuming high-quality PCF filtering failed." << TestLog::EndMessage; 794 795 lodPrecision.lodBits = 4; 796 texComparePrecision.uvwBits = tcu::IVec3(4,4,4); 797 texComparePrecision.pcfBits = 0; 798 799 const bool isOk = verifyTexCompareResult(m_context.getTestContext(), rendered.getAccess(), texture.getTexture(), 800 &texCoord[0], sampleParams, texComparePrecision, lodPrecision, pixelFormat); 801 802 if (!isOk) 803 { 804 log << TestLog::Message << "ERROR: Verification against low precision requirements failed, failing test case." << TestLog::EndMessage; 805 return tcu::TestStatus::fail("Image verification failed"); 806 } 807 } 808 } 809 810 m_caseNdx += 1; 811 return m_caseNdx < (int)m_cases.size() ? tcu::TestStatus::incomplete() : tcu::TestStatus::pass("Pass"); 812 } 813 814 void populateTextureShadowTests (tcu::TestCaseGroup* textureShadowTests) 815 { 816 tcu::TestContext& testCtx = textureShadowTests->getTestContext(); 817 818 static const struct 819 { 820 const char* name; 821 const VkFormat format; 822 } formats[] = 823 { 824 { "d16_unorm", VK_FORMAT_D16_UNORM }, 825 { "x8_d24_unorm_pack32", VK_FORMAT_X8_D24_UNORM_PACK32 }, 826 { "d32_sfloat", VK_FORMAT_D32_SFLOAT }, 827 { "d16_unorm_s8_uint", VK_FORMAT_D16_UNORM_S8_UINT }, 828 { "d24_unorm_s8_uint", VK_FORMAT_D24_UNORM_S8_UINT }, 829 { "d32_sfloat_s8_uint", VK_FORMAT_D32_SFLOAT_S8_UINT } 830 }; 831 832 static const struct 833 { 834 const char* name; 835 const Sampler::FilterMode minFilter; 836 const Sampler::FilterMode magFilter; 837 } filters[] = 838 { 839 { "nearest", Sampler::NEAREST, Sampler::NEAREST }, 840 { "linear", Sampler::LINEAR, Sampler::LINEAR }, 841 { "nearest_mipmap_nearest", Sampler::NEAREST_MIPMAP_NEAREST, Sampler::LINEAR }, 842 { "linear_mipmap_nearest", Sampler::LINEAR_MIPMAP_NEAREST, Sampler::LINEAR }, 843 { "nearest_mipmap_linear", Sampler::NEAREST_MIPMAP_LINEAR, Sampler::LINEAR }, 844 { "linear_mipmap_linear", Sampler::LINEAR_MIPMAP_LINEAR, Sampler::LINEAR } 845 }; 846 847 static const struct 848 { 849 const char* name; 850 const Sampler::CompareMode op; 851 } compareOp[] = 852 { 853 { "less_or_equal", Sampler::COMPAREMODE_LESS_OR_EQUAL }, 854 { "greater_or_equal", Sampler::COMPAREMODE_GREATER_OR_EQUAL }, 855 { "less", Sampler::COMPAREMODE_LESS }, 856 { "greater", Sampler::COMPAREMODE_GREATER }, 857 { "equal", Sampler::COMPAREMODE_EQUAL }, 858 { "not_equal", Sampler::COMPAREMODE_NOT_EQUAL }, 859 { "always", Sampler::COMPAREMODE_ALWAYS }, 860 { "never", Sampler::COMPAREMODE_NEVER } 861 }; 862 863 // 2D cases. 864 { 865 de::MovePtr<tcu::TestCaseGroup> group2D (new tcu::TestCaseGroup(testCtx, "2d", "2D texture shadow lookup tests")); 866 867 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(filters); filterNdx++) 868 { 869 de::MovePtr<tcu::TestCaseGroup> filterGroup (new tcu::TestCaseGroup(testCtx, filters[filterNdx].name, "")); 870 871 for (int compareNdx = 0; compareNdx < DE_LENGTH_OF_ARRAY(compareOp); compareNdx++) 872 { 873 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats); formatNdx++) 874 { 875 const string name = string(compareOp[compareNdx].name) + "_" + formats[formatNdx].name; 876 Texture2DShadowTestCaseParameters testParameters; 877 878 testParameters.minFilter = filters[filterNdx].minFilter; 879 testParameters.magFilter = filters[filterNdx].magFilter; 880 testParameters.format = formats[formatNdx].format; 881 testParameters.compareOp = compareOp[compareNdx].op; 882 testParameters.wrapS = Sampler::REPEAT_GL; 883 testParameters.wrapT = Sampler::REPEAT_GL; 884 testParameters.width = 32; 885 testParameters.height = 64; 886 887 testParameters.programs.push_back(PROGRAM_2D_SHADOW); 888 889 filterGroup->addChild(new TextureTestCase<Texture2DShadowTestInstance>(testCtx, name.c_str(), "", testParameters)); 890 } 891 } 892 893 group2D->addChild(filterGroup.release()); 894 } 895 896 textureShadowTests->addChild(group2D.release()); 897 } 898 899 // Cubemap cases. 900 { 901 de::MovePtr<tcu::TestCaseGroup> groupCube (new tcu::TestCaseGroup(testCtx, "cube", "Cube map texture shadow lookup tests")); 902 903 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(filters); filterNdx++) 904 { 905 de::MovePtr<tcu::TestCaseGroup> filterGroup (new tcu::TestCaseGroup(testCtx, filters[filterNdx].name, "")); 906 907 for (int compareNdx = 0; compareNdx < DE_LENGTH_OF_ARRAY(compareOp); compareNdx++) 908 { 909 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats); formatNdx++) 910 { 911 const string name = string(compareOp[compareNdx].name) + "_" + formats[formatNdx].name; 912 TextureCubeShadowTestCaseParameters testParameters; 913 914 testParameters.minFilter = filters[filterNdx].minFilter; 915 testParameters.magFilter = filters[filterNdx].magFilter; 916 testParameters.format = formats[formatNdx].format; 917 testParameters.compareOp = compareOp[compareNdx].op; 918 testParameters.wrapS = Sampler::REPEAT_GL; 919 testParameters.wrapT = Sampler::REPEAT_GL; 920 testParameters.size = 32; 921 922 testParameters.programs.push_back(PROGRAM_CUBE_SHADOW); 923 924 filterGroup->addChild(new TextureTestCase<TextureCubeShadowTestInstance>(testCtx, name.c_str(), "", testParameters)); 925 } 926 } 927 928 groupCube->addChild(filterGroup.release()); 929 } 930 931 textureShadowTests->addChild(groupCube.release()); 932 } 933 934 // 2D array cases. 935 { 936 de::MovePtr<tcu::TestCaseGroup> group2DArray (new tcu::TestCaseGroup(testCtx, "2d_array", "2D texture array shadow lookup tests")); 937 938 for (int filterNdx = 0; filterNdx < DE_LENGTH_OF_ARRAY(filters); filterNdx++) 939 { 940 de::MovePtr<tcu::TestCaseGroup> filterGroup (new tcu::TestCaseGroup(testCtx, filters[filterNdx].name, "")); 941 942 for (int compareNdx = 0; compareNdx < DE_LENGTH_OF_ARRAY(compareOp); compareNdx++) 943 { 944 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats); formatNdx++) 945 { 946 const string name = string(compareOp[compareNdx].name) + "_" + formats[formatNdx].name; 947 Texture2DArrayShadowTestCaseParameters testParameters; 948 949 testParameters.minFilter = filters[filterNdx].minFilter; 950 testParameters.magFilter = filters[filterNdx].magFilter; 951 testParameters.format = formats[formatNdx].format; 952 testParameters.compareOp = compareOp[compareNdx].op; 953 testParameters.wrapS = Sampler::REPEAT_GL; 954 testParameters.wrapT = Sampler::REPEAT_GL; 955 testParameters.width = 32; 956 testParameters.height = 64; 957 testParameters.numLayers = 8; 958 959 testParameters.programs.push_back(PROGRAM_2D_ARRAY_SHADOW); 960 961 filterGroup->addChild(new TextureTestCase<Texture2DArrayShadowTestInstance>(testCtx, name.c_str(), "", testParameters)); 962 } 963 } 964 965 group2DArray->addChild(filterGroup.release()); 966 } 967 968 textureShadowTests->addChild(group2DArray.release()); 969 } 970 } 971 972 } // anonymous 973 974 tcu::TestCaseGroup* createTextureShadowTests (tcu::TestContext& testCtx) 975 { 976 return createTestGroup(testCtx, "shadow", "Texture shadow tests.", populateTextureShadowTests); 977 } 978 979 } // texture 980 } // vkt 981
