1/*------------------------------------------------------------------------- 2 * Vulkan Conformance Tests 3 * ------------------------ 4 * 5 * Copyright (c) 2016 The Khronos Group Inc. 6 * Copyright (c) 2016 Samsung Electronics Co., Ltd. 7 * Copyright (c) 2014 The Android Open Source Project 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 Compressed texture tests. 24 *//*--------------------------------------------------------------------*/ 25 26#include "vktTextureCompressedFormatTests.hpp" 27 28#include "deString.h" 29#include "deStringUtil.hpp" 30#include "tcuCompressedTexture.hpp" 31#include "tcuImageCompare.hpp" 32#include "tcuTexture.hpp" 33#include "tcuTextureUtil.hpp" 34#include "tcuVectorUtil.hpp" 35#include "tcuAstcUtil.hpp" 36#include "vkImageUtil.hpp" 37#include "vktTestGroupUtil.hpp" 38#include "vktTextureTestUtil.hpp" 39#include <string> 40#include <vector> 41 42namespace vkt 43{ 44namespace texture 45{ 46namespace 47{ 48 49using namespace vk; 50using namespace glu::TextureTestUtil; 51using namespace texture::util; 52 53using std::string; 54using std::vector; 55using tcu::Sampler; 56using tcu::TestLog; 57 58// Compressed formats 59static const struct { 60 const VkFormat format; 61} formats[] = 62{ 63 { VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK }, 64 { VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK }, 65 { VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK }, 66 { VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK }, 67 { VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK }, 68 { VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK }, 69 70 { VK_FORMAT_EAC_R11_UNORM_BLOCK }, 71 { VK_FORMAT_EAC_R11_SNORM_BLOCK }, 72 { VK_FORMAT_EAC_R11G11_UNORM_BLOCK }, 73 { VK_FORMAT_EAC_R11G11_SNORM_BLOCK }, 74 75 { VK_FORMAT_ASTC_4x4_UNORM_BLOCK }, 76 { VK_FORMAT_ASTC_4x4_SRGB_BLOCK }, 77 { VK_FORMAT_ASTC_5x4_UNORM_BLOCK }, 78 { VK_FORMAT_ASTC_5x4_SRGB_BLOCK }, 79 { VK_FORMAT_ASTC_5x5_UNORM_BLOCK }, 80 { VK_FORMAT_ASTC_5x5_SRGB_BLOCK }, 81 { VK_FORMAT_ASTC_6x5_UNORM_BLOCK }, 82 { VK_FORMAT_ASTC_6x5_SRGB_BLOCK }, 83 { VK_FORMAT_ASTC_6x6_UNORM_BLOCK }, 84 { VK_FORMAT_ASTC_6x6_SRGB_BLOCK }, 85 { VK_FORMAT_ASTC_8x5_UNORM_BLOCK }, 86 { VK_FORMAT_ASTC_8x5_SRGB_BLOCK }, 87 { VK_FORMAT_ASTC_8x6_UNORM_BLOCK }, 88 { VK_FORMAT_ASTC_8x6_SRGB_BLOCK }, 89 { VK_FORMAT_ASTC_8x8_UNORM_BLOCK }, 90 { VK_FORMAT_ASTC_8x8_SRGB_BLOCK }, 91 { VK_FORMAT_ASTC_10x5_UNORM_BLOCK }, 92 { VK_FORMAT_ASTC_10x5_SRGB_BLOCK }, 93 { VK_FORMAT_ASTC_10x6_UNORM_BLOCK }, 94 { VK_FORMAT_ASTC_10x6_SRGB_BLOCK }, 95 { VK_FORMAT_ASTC_10x8_UNORM_BLOCK }, 96 { VK_FORMAT_ASTC_10x8_SRGB_BLOCK }, 97 { VK_FORMAT_ASTC_10x10_UNORM_BLOCK }, 98 { VK_FORMAT_ASTC_10x10_SRGB_BLOCK }, 99 { VK_FORMAT_ASTC_12x10_UNORM_BLOCK }, 100 { VK_FORMAT_ASTC_12x10_SRGB_BLOCK }, 101 { VK_FORMAT_ASTC_12x12_UNORM_BLOCK }, 102 { VK_FORMAT_ASTC_12x12_SRGB_BLOCK }, 103 104 { VK_FORMAT_BC1_RGB_UNORM_BLOCK }, 105 { VK_FORMAT_BC1_RGB_SRGB_BLOCK }, 106 { VK_FORMAT_BC1_RGBA_UNORM_BLOCK }, 107 { VK_FORMAT_BC1_RGBA_SRGB_BLOCK }, 108 { VK_FORMAT_BC2_UNORM_BLOCK }, 109 { VK_FORMAT_BC2_SRGB_BLOCK }, 110 { VK_FORMAT_BC3_UNORM_BLOCK }, 111 { VK_FORMAT_BC3_SRGB_BLOCK }, 112 { VK_FORMAT_BC4_UNORM_BLOCK }, 113 { VK_FORMAT_BC4_SNORM_BLOCK }, 114 { VK_FORMAT_BC5_UNORM_BLOCK }, 115 { VK_FORMAT_BC5_SNORM_BLOCK }, 116 { VK_FORMAT_BC6H_UFLOAT_BLOCK }, 117 { VK_FORMAT_BC6H_SFLOAT_BLOCK }, 118 { VK_FORMAT_BC7_UNORM_BLOCK }, 119 { VK_FORMAT_BC7_SRGB_BLOCK } 120}; 121 122static const struct { 123 const int width; 124 const int height; 125 const int depth; // 2D test ignore depth value 126 const bool mipmaps; 127 const char* name; 128} sizes[] = 129{ 130 { 128, 64, 8, false, "pot" }, 131 { 51, 65, 17, false, "npot" }, 132 { 51, 65, 17, true, "npot_mip1" }, 133}; 134 135static const struct { 136 const char* name; 137 const TextureBinding::ImageBackingMode backingMode; 138} backingModes[] = 139{ 140 { "", TextureBinding::IMAGE_BACKING_MODE_REGULAR }, 141#ifndef CTS_USES_VULKANSC 142 { "_sparse", TextureBinding::IMAGE_BACKING_MODE_SPARSE } 143#endif // CTS_USES_VULKANSC 144}; 145 146struct Compressed3DTestParameters : public Texture3DTestCaseParameters 147{ 148 Compressed3DTestParameters (void); 149 TextureBinding::ImageBackingMode backingMode; 150}; 151 152Compressed3DTestParameters::Compressed3DTestParameters (void) 153 : backingMode(TextureBinding::IMAGE_BACKING_MODE_REGULAR) 154{ 155} 156 157struct Compressed2DTestParameters : public Texture2DTestCaseParameters 158{ 159 Compressed2DTestParameters (void); 160 TextureBinding::ImageBackingMode backingMode; 161}; 162 163Compressed2DTestParameters::Compressed2DTestParameters (void) 164 : backingMode(TextureBinding::IMAGE_BACKING_MODE_REGULAR) 165{ 166} 167 168class Compressed2DTestInstance : public TestInstance 169{ 170public: 171 typedef Compressed2DTestParameters ParameterType; 172 173 Compressed2DTestInstance (Context& context, 174 const ParameterType& testParameters); 175 tcu::TestStatus iterate (void); 176 177private: 178 Compressed2DTestInstance (const Compressed2DTestInstance& other); 179 Compressed2DTestInstance& operator= (const Compressed2DTestInstance& other); 180 181 const ParameterType& m_testParameters; 182 const tcu::CompressedTexFormat m_compressedFormat; 183 TestTexture2DSp m_texture; 184 TextureRenderer m_renderer; 185}; 186 187Compressed2DTestInstance::Compressed2DTestInstance (Context& context, 188 const ParameterType& testParameters) 189 : TestInstance (context) 190 , m_testParameters (testParameters) 191 , m_compressedFormat (mapVkCompressedFormat(testParameters.format)) 192 , m_texture (TestTexture2DSp(new pipeline::TestTexture2D(m_compressedFormat, testParameters.width, testParameters.height))) 193 , m_renderer (context, testParameters.sampleCount, testParameters.width, testParameters.height) 194{ 195 m_renderer.add2DTexture(m_texture, testParameters.aspectMask, testParameters.backingMode); 196} 197 198static void computeScaleAndBias (const tcu::ConstPixelBufferAccess& reference, const tcu::ConstPixelBufferAccess& result, tcu::Vec4& scale, tcu::Vec4& bias) 199{ 200 tcu::Vec4 minVal; 201 tcu::Vec4 maxVal; 202 const float eps = 0.0001f; 203 204 { 205 tcu::Vec4 refMin; 206 tcu::Vec4 refMax; 207 estimatePixelValueRange(reference, refMin, refMax); 208 209 minVal = refMin; 210 maxVal = refMax; 211 } 212 213 { 214 tcu::Vec4 resMin; 215 tcu::Vec4 resMax; 216 217 estimatePixelValueRange(result, resMin, resMax); 218 219 minVal[0] = de::min(minVal[0], resMin[0]); 220 minVal[1] = de::min(minVal[1], resMin[1]); 221 minVal[2] = de::min(minVal[2], resMin[2]); 222 minVal[3] = de::min(minVal[3], resMin[3]); 223 224 maxVal[0] = de::max(maxVal[0], resMax[0]); 225 maxVal[1] = de::max(maxVal[1], resMax[1]); 226 maxVal[2] = de::max(maxVal[2], resMax[2]); 227 maxVal[3] = de::max(maxVal[3], resMax[3]); 228 } 229 230 for (int c = 0; c < 4; c++) 231 { 232 if (maxVal[c] - minVal[c] < eps) 233 { 234 scale[c] = (maxVal[c] < eps) ? 1.0f : (1.0f / maxVal[c]); 235 bias[c] = (c == 3) ? (1.0f - maxVal[c]*scale[c]) : (0.0f - minVal[c]*scale[c]); 236 } 237 else 238 { 239 scale[c] = 1.0f / (maxVal[c] - minVal[c]); 240 bias[c] = 0.0f - minVal[c]*scale[c]; 241 } 242 } 243} 244 245static inline tcu::UVec4 min (tcu::UVec4 a, tcu::UVec4 b) 246{ 247 return tcu::UVec4( deMin32(a[0], b[0]), 248 deMin32(a[1], b[1]), 249 deMin32(a[2], b[2]), 250 deMin32(a[3], b[3])); 251} 252 253static bool compareColor (tcu::RGBA reference, tcu::RGBA result, tcu::RGBA threshold, tcu::UVec4& diff) 254{ 255 const tcu::IVec4 refPix = reference.toIVec(); 256 const tcu::IVec4 cmpPix = result.toIVec(); 257 const tcu::UVec4 thresholdVec = threshold.toIVec().cast<deUint32>(); 258 diff = abs(refPix - cmpPix).cast<deUint32>(); 259 260 return boolAll(lessThanEqual(diff, thresholdVec)); 261} 262 263template <typename TextureType> 264static bool validateTexture (tcu::TestLog& log, const tcu::Surface& rendered, const TextureType& texture, const vector<float> &texCoord, deUint32 mipLevel, 265 const tcu::PixelFormat &pixelFormat, const tcu::RGBA& colorThreshold, float coordThreshold, const ReferenceParams sampleParams) 266{ 267 const deUint32 textureWidth = texture.getWidth() >> mipLevel; 268 const deUint32 textureHeight = texture.getHeight() >> mipLevel; 269 const deUint32 renderWidth = rendered.getWidth(); 270 const deUint32 renderHeight = rendered.getHeight(); 271 272 tcu::TextureLevel errorMaskStorage (tcu::TextureFormat(tcu::TextureFormat::RGB, tcu::TextureFormat::UNORM_INT8), renderWidth, renderHeight, 1); 273 tcu::PixelBufferAccess errorMask = errorMaskStorage.getAccess(); 274 275 tcu::UVec4 maxDiff (0u, 0u, 0u, 0u); 276 tcu::UVec4 smpDiff (0u, 0u, 0u, 0u); 277 tcu::UVec4 diff (0u, 0u, 0u, 0u); 278 bool isOk = true; 279 280 // Compute reference. 281 tcu::Surface referenceFrame (textureWidth, textureHeight); 282 glu::TextureTestUtil::sampleTexture(tcu::SurfaceAccess(referenceFrame, pixelFormat), texture, &texCoord[0], sampleParams); 283 284 for (deUint32 x = 0; x < renderWidth; ++x) 285 { 286 for (deUint32 y = 0; y < renderHeight; ++y) 287 { 288 bool matchFound = false; 289 const tcu::RGBA rendered_color = rendered.getPixel(x, y); 290 291 const float fragX = ((float)x + 0.5f) / (float)renderWidth; 292 const float fragY = ((float)y + 0.5f) / (float)renderHeight; 293 const float samplePixX = fragX * (float)(textureWidth); 294 const float samplePixY = fragY * (float)(textureHeight); 295 296 const deUint32 sampleXMin = (int)(samplePixX - coordThreshold); 297 const deUint32 sampleXMax = (int)(samplePixX + coordThreshold); 298 const deUint32 sampleYMin = (int)(samplePixY - coordThreshold); 299 const deUint32 sampleYMax = (int)(samplePixY + coordThreshold); 300 301 // Compare color within given sample coordinates tolerance and return from included loops when match is found 302 for (deUint32 smpX = sampleXMin; smpX <= sampleXMax; ++smpX) 303 { 304 for (deUint32 smpY = sampleYMin; smpY <= sampleYMax; ++smpY) 305 { 306 const tcu::RGBA reference_color = referenceFrame.getPixel(smpX, smpY); 307 308 if (compareColor(reference_color, rendered_color, colorThreshold, diff)) 309 matchFound = true; 310 311 smpDiff = min(smpDiff, diff); 312 } 313 } 314 315 maxDiff = tcu::max(maxDiff, smpDiff); 316 errorMask.setPixel(matchFound ? tcu::IVec4(0, 0xff, 0, 0xff) : tcu::IVec4(0xff, 0, 0, 0xff), x, y); 317 318 // Color mismatch 319 if (!matchFound) 320 { 321 isOk = false; 322 } 323 } 324 } 325 326 const tcu::ConstPixelBufferAccess result = rendered.getAccess(); 327 const tcu::ConstPixelBufferAccess reference = referenceFrame.getAccess(); 328 const char* imageSetName = "Result"; 329 const char* imageSetDesc = "Image comparison result"; 330 tcu::Vec4 pixelBias (0.0f, 0.0f, 0.0f, 0.0f); 331 tcu::Vec4 pixelScale (1.0f, 1.0f, 1.0f, 1.0f); 332 333 if (!isOk) 334 { 335 // All formats except normalized unsigned fixed point ones need remapping in order to fit into unorm channels in logged images. 336 if (tcu::getTextureChannelClass(reference.getFormat().type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT || 337 tcu::getTextureChannelClass(result.getFormat().type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT) 338 { 339 computeScaleAndBias(reference, result, pixelScale, pixelBias); 340 log << TestLog::Message << "Result and reference images are normalized with formula p * " << pixelScale << " + " << pixelBias << TestLog::EndMessage; 341 } 342 343 log << TestLog::Message << "Image comparison failed: max difference = " << maxDiff << ", color threshold = " << colorThreshold.toIVec().cast<deUint32>() 344 << ", coordinates threshold = " << coordThreshold << TestLog::EndMessage; 345 346 log << TestLog::ImageSet(imageSetName, imageSetDesc) 347 << TestLog::Image("Result", "Result", result) 348 << TestLog::Image("ErrorMask", "Error mask", errorMask) 349 << TestLog::EndImageSet; 350 } 351 else 352 { 353 if (result.getFormat() != tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8)) 354 computePixelScaleBias(result, pixelScale, pixelBias); 355 356 log << TestLog::ImageSet(imageSetName, imageSetDesc) 357 << TestLog::Image("Result", "Result", result, pixelScale, pixelBias) 358 << TestLog::EndImageSet; 359 } 360 361 362 return isOk; 363} 364 365tcu::TestStatus Compressed2DTestInstance::iterate (void) 366{ 367 tcu::TestLog& log = m_context.getTestContext().getLog(); 368 const pipeline::TestTexture2D& texture = m_renderer.get2DTexture(0); 369 const tcu::TextureFormat textureFormat = texture.getTextureFormat(); 370 const tcu::TextureFormatInfo formatInfo = tcu::getTextureFormatInfo(textureFormat); 371 const deUint32 mipLevel = m_testParameters.mipmaps ? 1 : 0; 372 373 ReferenceParams sampleParams (TEXTURETYPE_2D); 374 tcu::Surface rendered (m_renderer.getRenderWidth(), m_renderer.getRenderHeight()); 375 vector<float> texCoord; 376 377 // Setup params for reference. 378 sampleParams.sampler = util::createSampler(m_testParameters.wrapS, m_testParameters.wrapT, m_testParameters.minFilter, m_testParameters.magFilter); 379 sampleParams.samplerType = SAMPLERTYPE_FLOAT; 380 sampleParams.lodMode = LODMODE_EXACT; 381 382 if (m_testParameters.mipmaps) { 383 sampleParams.minLod = (float)mipLevel; 384 sampleParams.maxLod = (float)mipLevel; 385 } 386 387 if (isAstcFormat(m_compressedFormat) 388 || m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC4_UNORM_BLOCK 389 || m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC5_UNORM_BLOCK) 390 { 391 sampleParams.colorBias = tcu::Vec4(0.0f); 392 sampleParams.colorScale = tcu::Vec4(1.0f); 393 } 394 else if (m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC4_SNORM_BLOCK) 395 { 396 sampleParams.colorBias = tcu::Vec4(0.5f, 0.0f, 0.0f, 0.0f); 397 sampleParams.colorScale = tcu::Vec4(0.5f, 1.0f, 1.0f, 1.0f); 398 } 399 else if (m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC5_SNORM_BLOCK) 400 { 401 sampleParams.colorBias = tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f); 402 sampleParams.colorScale = tcu::Vec4(0.5f, 0.5f, 1.0f, 1.0f); 403 } 404 else 405 { 406 sampleParams.colorBias = formatInfo.lookupBias; 407 sampleParams.colorScale = formatInfo.lookupScale; 408 } 409 410 log << TestLog::Message << "Compare reference value = " << sampleParams.ref << TestLog::EndMessage; 411 412 // Compute texture coordinates. 413 computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f)); 414 415 m_renderer.renderQuad(rendered, 0, &texCoord[0], sampleParams); 416 417 // Compute reference. 418 const tcu::IVec4 formatBitDepth = getTextureFormatBitDepth(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM)); 419 const tcu::PixelFormat pixelFormat (formatBitDepth[0], formatBitDepth[1], formatBitDepth[2], formatBitDepth[3]); 420 421#ifdef CTS_USES_VULKANSC 422 if (m_context.getTestContext().getCommandLine().isSubProcess()) 423#endif // CTS_USES_VULKANSC 424 { 425 // Compare and log. 426 tcu::RGBA threshold; 427 428 if (isBcBitExactFormat(m_compressedFormat)) 429 threshold = tcu::RGBA(1, 1, 1, 1); 430 else if (isBcFormat(m_compressedFormat)) 431 threshold = tcu::RGBA(8, 8, 8, 8); 432 else 433 threshold = pixelFormat.getColorThreshold() + tcu::RGBA(2, 2, 2, 2); 434 435 constexpr float coordThreshold = 0.01f; 436 const bool isOk = validateTexture(log, rendered, texture.getTexture(), texCoord, mipLevel, pixelFormat, threshold, coordThreshold, sampleParams); 437 438 return isOk ? tcu::TestStatus::pass("Pass") : tcu::TestStatus::fail("Image verification failed"); 439 } 440 return tcu::TestStatus::pass("Pass"); 441} 442 443class Compressed3DTestInstance : public TestInstance 444{ 445public: 446 typedef Compressed3DTestParameters ParameterType; 447 448 Compressed3DTestInstance (Context& context, 449 const ParameterType& testParameters); 450 tcu::TestStatus iterate (void); 451 452private: 453 Compressed3DTestInstance (const Compressed3DTestInstance& other); 454 Compressed3DTestInstance& operator= (const Compressed3DTestInstance& other); 455 456 const ParameterType& m_testParameters; 457 const tcu::CompressedTexFormat m_compressedFormat; 458 TestTexture3DSp m_texture3D; 459 TextureRenderer m_renderer2D; 460}; 461 462Compressed3DTestInstance::Compressed3DTestInstance (Context& context, 463 const ParameterType& testParameters) 464 : TestInstance (context) 465 , m_testParameters (testParameters) 466 , m_compressedFormat (mapVkCompressedFormat(testParameters.format)) 467 , m_texture3D (TestTexture3DSp(new pipeline::TestTexture3D(m_compressedFormat, testParameters.width, testParameters.height, testParameters.depth))) 468 , m_renderer2D (context, testParameters.sampleCount, testParameters.width, testParameters.height, 1, makeComponentMappingRGBA(), VK_IMAGE_TYPE_2D, VK_IMAGE_VIEW_TYPE_2D) 469{ 470 m_renderer2D.add3DTexture (m_texture3D, testParameters.aspectMask, testParameters.backingMode); 471 472 VkPhysicalDeviceFeatures physicalFeatures; 473 context.getInstanceInterface().getPhysicalDeviceFeatures(context.getPhysicalDevice(), &physicalFeatures); 474 475 if (tcu::isAstcFormat(m_compressedFormat)) 476 { 477 if (!physicalFeatures.textureCompressionASTC_LDR) 478 throw tcu::NotSupportedError(std::string("Unsupported format: ") + getFormatName(testParameters.format)); 479 } 480 else if (tcu::isEtcFormat(m_compressedFormat)) 481 { 482 if (!physicalFeatures.textureCompressionETC2) 483 throw tcu::NotSupportedError(std::string("Unsupported format: ") + getFormatName(testParameters.format)); 484 } 485 else if(tcu::isBcFormat(m_compressedFormat)) 486 { 487 if (!physicalFeatures.textureCompressionBC) 488 throw tcu::NotSupportedError(std::string("Unsupported format: ") + getFormatName(testParameters.format)); 489 } 490 else 491 { 492 DE_FATAL("Unsupported compressed format"); 493 } 494} 495 496tcu::TestStatus Compressed3DTestInstance::iterate (void) 497{ 498 tcu::TestLog& log = m_context.getTestContext().getLog(); 499 const pipeline::TestTexture3D& texture = m_renderer2D.get3DTexture(0); 500 const tcu::TextureFormat textureFormat = texture.getTextureFormat(); 501 const tcu::TextureFormatInfo formatInfo = tcu::getTextureFormatInfo(textureFormat); 502 const deUint32 mipLevel = m_testParameters.mipmaps ? 1 : 0; 503 504 ReferenceParams sampleParams (TEXTURETYPE_3D); 505 tcu::Surface rendered (m_renderer2D.getRenderWidth(), m_renderer2D.getRenderHeight()); 506 vector<float> texCoord; 507 508 // Setup params for reference. 509 sampleParams.sampler = util::createSampler(m_testParameters.wrapS, m_testParameters.wrapT, m_testParameters.minFilter, m_testParameters.magFilter); 510 sampleParams.samplerType = SAMPLERTYPE_FLOAT; 511 sampleParams.lodMode = LODMODE_EXACT; 512 513 if (m_testParameters.mipmaps) { 514 sampleParams.minLod = (float)mipLevel; 515 sampleParams.maxLod = (float)mipLevel; 516 } 517 518 if (isAstcFormat(m_compressedFormat) 519 || m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC4_UNORM_BLOCK 520 || m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC5_UNORM_BLOCK) 521 { 522 sampleParams.colorBias = tcu::Vec4(0.0f); 523 sampleParams.colorScale = tcu::Vec4(1.0f); 524 } 525 else if (m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC4_SNORM_BLOCK) 526 { 527 sampleParams.colorBias = tcu::Vec4(0.5f, 0.0f, 0.0f, 0.0f); 528 sampleParams.colorScale = tcu::Vec4(0.5f, 1.0f, 1.0f, 1.0f); 529 } 530 else if (m_compressedFormat == tcu::COMPRESSEDTEXFORMAT_BC5_SNORM_BLOCK) 531 { 532 sampleParams.colorBias = tcu::Vec4(0.5f, 0.5f, 0.0f, 0.0f); 533 sampleParams.colorScale = tcu::Vec4(0.5f, 0.5f, 1.0f, 1.0f); 534 } 535 else 536 { 537 sampleParams.colorBias = formatInfo.lookupBias; 538 sampleParams.colorScale = formatInfo.lookupScale; 539 } 540 541 log << TestLog::Message << "Compare reference value = " << sampleParams.ref << TestLog::EndMessage; 542 543 constexpr deUint32 slices = 3; 544 deUint32 sliceNdx = 0; 545 float z = 0; 546 bool isOk = false; 547 const tcu::IVec4 formatBitDepth = getTextureFormatBitDepth(vk::mapVkFormat(VK_FORMAT_R8G8B8A8_UNORM)); 548 const tcu::PixelFormat pixelFormat (formatBitDepth[0], formatBitDepth[1], formatBitDepth[2], formatBitDepth[3]); 549 tcu::RGBA threshold; 550 551 if (isBcBitExactFormat(m_compressedFormat)) 552 threshold = tcu::RGBA(1, 1, 1, 1); 553 else if (isBcSRGBFormat(m_compressedFormat)) 554 threshold = tcu::RGBA(9, 9, 9, 9); 555 else if (isBcFormat(m_compressedFormat)) 556 threshold = tcu::RGBA(8, 8, 8, 8); 557 else 558 threshold = pixelFormat.getColorThreshold() + tcu::RGBA(2, 2, 2, 2); 559 560 for (deUint32 s = 0; s < slices; ++s) 561 { 562 // Test different slices of 3D texture. 563 564 sliceNdx = (m_testParameters.depth - 1) * s / (slices - 1); 565 566 // Render texture. 567 z = (((float)sliceNdx + 0.5f) / (float)(m_testParameters.depth >> mipLevel)); 568 computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, z), tcu::Vec3(1.0f, 1.0f, z), tcu::IVec3(0,1,2)); 569 m_renderer2D.renderQuad(rendered, 0, &texCoord[0], sampleParams); 570 571 // Compare and log. 572#ifdef CTS_USES_VULKANSC 573 if (m_context.getTestContext().getCommandLine().isSubProcess()) 574#endif // CTS_USES_VULKANSC 575 { 576 constexpr float coordThreshold = 0.01f; 577 isOk = validateTexture(log, rendered, m_texture3D->getTexture(), texCoord, mipLevel, pixelFormat, threshold, coordThreshold, sampleParams); 578 579 if (!isOk) 580 break; 581 } 582 } 583 return isOk ? tcu::TestStatus::pass("Pass") : tcu::TestStatus::fail("Image verification failed"); 584} 585 586} // anonymous 587 588void populateTextureCompressedFormatTests (tcu::TestCaseGroup* compressedTextureTests) 589{ 590 tcu::TestContext& testCtx = compressedTextureTests->getTestContext(); 591 592 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes); sizeNdx++) 593 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats); formatNdx++) 594 for (int backingNdx = 0; backingNdx < DE_LENGTH_OF_ARRAY(backingModes); backingNdx++) 595 { 596 const string formatStr = de::toString(getFormatStr(formats[formatNdx].format)); 597 const string nameBase = de::toLower(formatStr.substr(10)); 598 599 Compressed2DTestParameters testParameters; 600 testParameters.format = formats[formatNdx].format; 601 testParameters.backingMode = backingModes[backingNdx].backingMode; 602 testParameters.width = sizes[sizeNdx].width; 603 testParameters.height = sizes[sizeNdx].height; 604 testParameters.minFilter = tcu::Sampler::NEAREST_MIPMAP_NEAREST; 605 testParameters.magFilter = tcu::Sampler::NEAREST; 606 testParameters.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; 607 testParameters.programs.push_back(PROGRAM_2D_FLOAT); 608 testParameters.mipmaps = sizes[sizeNdx].mipmaps; 609 610 compressedTextureTests->addChild(new TextureTestCase<Compressed2DTestInstance>(testCtx, (nameBase + "_2d_" + sizes[sizeNdx].name + backingModes[backingNdx].name).c_str(), testParameters)); 611 } 612} 613 614void populate3DTextureCompressedFormatTests (tcu::TestCaseGroup* compressedTextureTests) 615{ 616 tcu::TestContext& testCtx = compressedTextureTests->getTestContext(); 617 618 for (int sizeNdx = 0; sizeNdx < DE_LENGTH_OF_ARRAY(sizes); ++sizeNdx) 619 for (int formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(formats); ++formatNdx) 620 for (int backingNdx = 0; backingNdx < DE_LENGTH_OF_ARRAY(backingModes); ++backingNdx) 621 { 622 const string formatStr = de::toString(getFormatStr(formats[formatNdx].format)); 623 const string nameBase = de::toLower(formatStr.substr(10)); 624 625 Compressed3DTestParameters testParameters; 626 testParameters.format = formats[formatNdx].format; 627 testParameters.backingMode = backingModes[backingNdx].backingMode; 628 testParameters.width = sizes[sizeNdx].width; 629 testParameters.height = sizes[sizeNdx].height; 630 testParameters.depth = sizes[sizeNdx].depth; 631 testParameters.minFilter = tcu::Sampler::NEAREST_MIPMAP_NEAREST; 632 testParameters.magFilter = tcu::Sampler::NEAREST; 633 testParameters.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; 634 testParameters.programs.push_back(PROGRAM_3D_FLOAT); 635 testParameters.mipmaps = sizes[sizeNdx].mipmaps; 636 637 compressedTextureTests->addChild(new TextureTestCase<Compressed3DTestInstance>(testCtx, (nameBase + "_3d_" + sizes[sizeNdx].name + backingModes[backingNdx].name).c_str(), testParameters)); 638 } 639} 640 641tcu::TestCaseGroup* createTextureCompressedFormatTests (tcu::TestContext& testCtx) 642{ 643 return createTestGroup(testCtx, "compressed", populateTextureCompressedFormatTests); 644} 645 646tcu::TestCaseGroup* create3DTextureCompressedFormatTests (tcu::TestContext& testCtx) 647{ 648 return createTestGroup(testCtx, "compressed_3D", populate3DTextureCompressedFormatTests); 649} 650 651} // texture 652} // vkt 653