1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program OpenGL (ES) Module 3 * ----------------------------------------------- 4 * 5 * Copyright 2014 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 *//*! 20 * \file 21 * \brief Framebuffer completeness tests. 22 *//*--------------------------------------------------------------------*/ 23 24 #include "es3fFboCompletenessTests.hpp" 25 26 #include "glsFboCompletenessTests.hpp" 27 #include <sstream> 28 29 using namespace glw; 30 using deqp::gls::Range; 31 using namespace deqp::gls::FboUtil; 32 using namespace deqp::gls::FboUtil::config; 33 namespace fboc = deqp::gls::fboc; 34 typedef tcu::TestCase::IterateResult IterateResult; 35 using std::string; 36 using std::ostringstream; 37 38 namespace deqp 39 { 40 namespace gles3 41 { 42 namespace Functional 43 { 44 45 static const FormatKey s_es3ColorRenderables[] = 46 { 47 // GLES3, 4.4.4: "An internal format is color-renderable if it is one of 48 // the formats from table 3.12 noted as color-renderable..." 49 GL_R8, GL_RG8, GL_RGB8, GL_RGB565, GL_RGBA4, GL_RGB5_A1, GL_RGBA8, 50 GL_RGB10_A2, GL_RGB10_A2UI, GL_SRGB8_ALPHA8, 51 GL_R8I, GL_R8UI, GL_R16I, GL_R16UI, GL_R32I, GL_R32UI, 52 GL_RG8I, GL_RG8UI, GL_RG16I, GL_RG16UI, GL_RG32I, GL_RG32UI, 53 GL_RGBA8I, GL_RGBA8UI, GL_RGBA16I, GL_RGBA16UI, GL_RGBA32I, GL_RGBA32UI, 54 }; 55 56 static const FormatKey s_es3UnsizedColorRenderables[] = 57 { 58 // "...or if it is unsized format RGBA or RGB." 59 // See Table 3.3 in GLES3. 60 GLS_UNSIZED_FORMATKEY(GL_RGBA, GL_UNSIGNED_BYTE), 61 GLS_UNSIZED_FORMATKEY(GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4), 62 GLS_UNSIZED_FORMATKEY(GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1), 63 GLS_UNSIZED_FORMATKEY(GL_RGB, GL_UNSIGNED_BYTE), 64 GLS_UNSIZED_FORMATKEY(GL_RGB, GL_UNSIGNED_SHORT_5_6_5), 65 }; 66 67 static const FormatKey s_es3DepthRenderables[] = 68 { 69 // GLES3, 4.4.4: "An internal format is depth-renderable if it is one of 70 // the formats from table 3.13." 71 GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32F, 72 GL_DEPTH24_STENCIL8, GL_DEPTH32F_STENCIL8, 73 }; 74 75 static const FormatKey s_es3StencilRboRenderables[] = 76 { 77 // GLES3, 4.4.4: "An internal format is stencil-renderable if it is 78 // STENCIL_INDEX8..." 79 GL_STENCIL_INDEX8, 80 }; 81 82 static const FormatKey s_es3StencilRenderables[] = 83 { 84 // "...or one of the formats from table 3.13 whose base internal format is 85 // DEPTH_STENCIL." 86 GL_DEPTH24_STENCIL8, GL_DEPTH32F_STENCIL8, 87 }; 88 89 static const FormatKey s_es3TextureFloatFormats[] = 90 { 91 GL_RGBA32F, GL_RGBA16F, GL_R11F_G11F_B10F, 92 GL_RG32F, GL_RG16F, GL_R32F, GL_R16F, 93 GL_RGBA16F, GL_RGB16F, GL_RG16F, GL_R16F, 94 }; 95 96 static const FormatKey s_es3NotRenderableTextureFormats[] = 97 { 98 GL_R8_SNORM, GL_RG8_SNORM, GL_RGB8_SNORM, GL_RGBA8_SNORM, 99 GL_RGB9_E5, GL_SRGB8, 100 GL_RGB8I, GL_RGB16I, GL_RGB32I, 101 GL_RGB8UI, GL_RGB16UI,GL_RGB32UI, 102 }; 103 104 static const FormatEntry s_es3Formats[] = 105 { 106 // Renderbuffers don't support unsized formats 107 { REQUIRED_RENDERABLE | COLOR_RENDERABLE | TEXTURE_VALID, 108 GLS_ARRAY_RANGE(s_es3UnsizedColorRenderables) }, 109 { REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID | TEXTURE_VALID, 110 GLS_ARRAY_RANGE(s_es3ColorRenderables) }, 111 { REQUIRED_RENDERABLE | DEPTH_RENDERABLE | RENDERBUFFER_VALID | TEXTURE_VALID, 112 GLS_ARRAY_RANGE(s_es3DepthRenderables) }, 113 { REQUIRED_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID, 114 GLS_ARRAY_RANGE(s_es3StencilRboRenderables) }, 115 { REQUIRED_RENDERABLE | STENCIL_RENDERABLE | RENDERBUFFER_VALID | TEXTURE_VALID, 116 GLS_ARRAY_RANGE(s_es3StencilRenderables) }, 117 { TEXTURE_VALID, 118 GLS_ARRAY_RANGE(s_es3NotRenderableTextureFormats) }, 119 120 // These are not color-renderable in vanilla ES3, but we need to mark them 121 // as valid for textures, since EXT_color_buffer_(half_)float brings in 122 // color-renderability and only renderbuffer-validity. 123 { TEXTURE_VALID, 124 GLS_ARRAY_RANGE(s_es3TextureFloatFormats) }, 125 }; 126 127 // GL_EXT_color_buffer_float 128 static const FormatKey s_extColorBufferFloatFormats[] = 129 { 130 GL_RGBA32F, GL_RGBA16F, GL_R11F_G11F_B10F, GL_RG32F, GL_RG16F, GL_R32F, GL_R16F, 131 }; 132 133 // GL_OES_texture_stencil8 134 static const FormatKey s_extOESTextureStencil8[] = 135 { 136 GL_STENCIL_INDEX8, 137 }; 138 139 140 static const FormatExtEntry s_es3ExtFormats[] = 141 { 142 { "GL_EXT_color_buffer_float", 143 // These are already texture-valid in ES3, the extension just adds RBO 144 // support and makes them color-renderable. 145 REQUIRED_RENDERABLE | COLOR_RENDERABLE | RENDERBUFFER_VALID, 146 GLS_ARRAY_RANGE(s_extColorBufferFloatFormats) }, 147 { "GL_OES_texture_stencil8", 148 // Note: es3 RBO tests actually cover the first two requirements 149 // - kept here for completeness 150 REQUIRED_RENDERABLE | STENCIL_RENDERABLE | TEXTURE_VALID, 151 GLS_ARRAY_RANGE(s_extOESTextureStencil8) } 152 }; 153 154 class ES3Checker : public Checker 155 { 156 public: 157 ES3Checker (void) 158 : m_numSamples (-1) 159 , m_depthStencilImage (0) 160 , m_depthStencilType (GL_NONE) {} 161 void check (GLenum attPoint, const Attachment& att, const Image* image); 162 163 private: 164 //! The common number of samples of images. 165 GLsizei m_numSamples; 166 167 //! The common image for depth and stencil attachments. 168 GLuint m_depthStencilImage; 169 GLenum m_depthStencilType; 170 }; 171 172 void ES3Checker::check (GLenum attPoint, const Attachment& att, const Image* image) 173 { 174 GLsizei imgSamples = imageNumSamples(*image); 175 176 if (m_numSamples == -1) 177 { 178 m_numSamples = imgSamples; 179 } 180 else 181 { 182 // GLES3: "The value of RENDERBUFFER_SAMPLES is the same for all attached 183 // renderbuffers and, if the attached images are a mix of renderbuffers 184 // and textures, the value of RENDERBUFFER_SAMPLES is zero." 185 // 186 // On creating a renderbuffer: "If _samples_ is zero, then 187 // RENDERBUFFER_SAMPLES is set to zero. Otherwise [...] the resulting 188 // value for RENDERBUFFER_SAMPLES is guaranteed to be greater than or 189 // equal to _samples_ and no more than the next larger sample count 190 // supported by the implementation." 191 192 // Either all attachments are zero-sample renderbuffers and/or 193 // textures, or none of them are. 194 require((m_numSamples == 0) == (imgSamples == 0), 195 GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE); 196 197 // If the attachments requested a different number of samples, the 198 // implementation is allowed to report this as incomplete. However, it 199 // is also possible that despite the different requests, the 200 // implementation allocated the same number of samples to both. Hence 201 // reporting the framebuffer as complete is also legal. 202 canRequire(m_numSamples == imgSamples, 203 GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE); 204 } 205 206 // "Depth and stencil attachments, if present, are the same image." 207 if (attPoint == GL_DEPTH_ATTACHMENT || attPoint == GL_STENCIL_ATTACHMENT) 208 { 209 if (m_depthStencilImage == 0) 210 { 211 m_depthStencilImage = att.imageName; 212 m_depthStencilType = attachmentType(att); 213 } 214 else 215 require(m_depthStencilImage == att.imageName && 216 m_depthStencilType == attachmentType(att), 217 GL_FRAMEBUFFER_UNSUPPORTED); 218 } 219 } 220 221 struct NumLayersParams 222 { 223 GLenum textureKind; //< GL_TEXTURE_3D or GL_TEXTURE_2D_ARRAY 224 GLsizei numLayers; //< Number of layers in texture 225 GLsizei attachmentLayer; //< Layer referenced by attachment 226 227 static string getName (const NumLayersParams& params); 228 static string getDescription (const NumLayersParams& params); 229 }; 230 231 string NumLayersParams::getName (const NumLayersParams& params) 232 { 233 ostringstream os; 234 const string kindStr = params.textureKind == GL_TEXTURE_3D ? "3d" : "2darr"; 235 os << kindStr << "_" << params.numLayers << "_" << params.attachmentLayer; 236 return os.str(); 237 } 238 239 string NumLayersParams::getDescription (const NumLayersParams& params) 240 { 241 ostringstream os; 242 const string kindStr = (params.textureKind == GL_TEXTURE_3D 243 ? "3D Texture" 244 : "2D Array Texture"); 245 os << kindStr + ", " 246 << params.numLayers << " layers, " 247 << "attached layer " << params.attachmentLayer << "."; 248 return os.str(); 249 } 250 251 class NumLayersTest : public fboc::ParamTest<NumLayersParams> 252 { 253 public: 254 NumLayersTest (fboc::Context& ctx, NumLayersParams param) 255 : fboc::ParamTest<NumLayersParams> (ctx, param) {} 256 257 IterateResult build (FboBuilder& builder); 258 }; 259 260 IterateResult NumLayersTest::build (FboBuilder& builder) 261 { 262 TextureLayered* texCfg = DE_NULL; 263 const GLenum target = GL_COLOR_ATTACHMENT0; 264 265 switch (m_params.textureKind) 266 { 267 case GL_TEXTURE_3D: 268 texCfg = &builder.makeConfig<Texture3D>(); 269 break; 270 case GL_TEXTURE_2D_ARRAY: 271 texCfg = &builder.makeConfig<Texture2DArray>(); 272 break; 273 default: 274 DE_ASSERT(!"Impossible case"); 275 } 276 texCfg->internalFormat = getDefaultFormat(target, GL_TEXTURE); 277 texCfg->width = 64; 278 texCfg->height = 64; 279 texCfg->numLayers = m_params.numLayers; 280 const GLuint tex = builder.glCreateTexture(*texCfg); 281 282 TextureLayerAttachment* att = &builder.makeConfig<TextureLayerAttachment>(); 283 att->layer = m_params.attachmentLayer; 284 att->imageName = tex; 285 286 builder.glAttach(target, att); 287 288 return STOP; 289 } 290 291 enum 292 { 293 SAMPLES_NONE = -2, 294 SAMPLES_TEXTURE = -1 295 }; 296 struct NumSamplesParams 297 { 298 // >= 0: renderbuffer with N samples, -1: texture, -2: no attachment 299 GLsizei numSamples[3]; 300 301 static string getName (const NumSamplesParams& params); 302 static string getDescription (const NumSamplesParams& params); 303 }; 304 305 string NumSamplesParams::getName (const NumSamplesParams& params) 306 { 307 ostringstream os; 308 bool first = true; 309 for (const GLsizei* ns = DE_ARRAY_BEGIN(params.numSamples); 310 ns != DE_ARRAY_END(params.numSamples); 311 ns++) 312 { 313 if (first) 314 first = false; 315 else 316 os << "_"; 317 318 if (*ns == SAMPLES_NONE) 319 os << "none"; 320 else if (*ns == SAMPLES_TEXTURE) 321 os << "tex"; 322 else 323 os << "rbo" << *ns; 324 } 325 return os.str(); 326 } 327 328 string NumSamplesParams::getDescription (const NumSamplesParams& params) 329 { 330 ostringstream os; 331 bool first = true; 332 static const char* const s_names[] = { "color", "depth", "stencil" }; 333 DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_names) == DE_LENGTH_OF_ARRAY(params.numSamples)); 334 335 for (int i = 0; i < DE_LENGTH_OF_ARRAY(s_names); i++) 336 { 337 GLsizei ns = params.numSamples[i]; 338 339 if (ns == SAMPLES_NONE) 340 continue; 341 342 if (first) 343 first = false; 344 else 345 os << ", "; 346 347 if (ns == SAMPLES_TEXTURE) 348 os << "texture " << s_names[i] << " attachment"; 349 else 350 os << ns << "-sample renderbuffer " << s_names[i] << " attachment"; 351 } 352 return os.str(); 353 } 354 355 class NumSamplesTest : public fboc::ParamTest<NumSamplesParams> 356 { 357 public: 358 NumSamplesTest (fboc::Context& ctx, NumSamplesParams param) 359 : fboc::ParamTest<NumSamplesParams> (ctx, param) {} 360 361 IterateResult build (FboBuilder& builder); 362 }; 363 364 IterateResult NumSamplesTest::build (FboBuilder& builder) 365 { 366 static const GLenum s_targets[] = 367 { 368 GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_DEPTH_ATTACHMENT, 369 }; 370 // Non-integer formats for each attachment type. 371 // \todo [2013-12-17 lauri] Add fixed/floating/integer metadata for formats so 372 // we can pick one smartly or maybe try several. 373 static const GLenum s_formats[] = 374 { 375 GL_RGBA8, GL_RGB565, GL_DEPTH_COMPONENT24, 376 }; 377 DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(s_targets) == DE_LENGTH_OF_ARRAY(m_params.numSamples)); 378 379 for (int i = 0; i < DE_LENGTH_OF_ARRAY(s_targets); i++) 380 { 381 const GLenum target = s_targets[i]; 382 const ImageFormat fmt = { s_formats[i], GL_NONE }; 383 384 const GLsizei ns = m_params.numSamples[i]; 385 if (ns == -2) 386 continue; 387 388 if (ns == -1) 389 { 390 attachTargetToNew(target, GL_TEXTURE, fmt, 64, 64, builder); 391 } 392 else 393 { 394 Renderbuffer& rboCfg = builder.makeConfig<Renderbuffer>(); 395 rboCfg.internalFormat = fmt; 396 rboCfg.width = rboCfg.height = 64; 397 rboCfg.numSamples = ns; 398 399 const GLuint rbo = builder.glCreateRbo(rboCfg); 400 // Implementations do not necessarily support sample sizes greater than 1. 401 TCU_CHECK_AND_THROW(NotSupportedError, 402 builder.getError() != GL_INVALID_OPERATION, 403 "Unsupported number of samples"); 404 RenderbufferAttachment& att = builder.makeConfig<RenderbufferAttachment>(); 405 att.imageName = rbo; 406 builder.glAttach(target, &att); 407 } 408 } 409 410 return STOP; 411 } 412 413 class ES3CheckerFactory : public CheckerFactory 414 { 415 public: 416 Checker* createChecker (void) { return new ES3Checker(); } 417 }; 418 419 class TestGroup : public TestCaseGroup 420 { 421 public: 422 TestGroup (Context& context); 423 void init (void); 424 private: 425 ES3CheckerFactory m_checkerFactory; 426 fboc::Context m_fboc; 427 }; 428 429 void TestGroup::init (void) 430 { 431 addChild(m_fboc.createRenderableTests()); 432 addChild(m_fboc.createAttachmentTests()); 433 addChild(m_fboc.createSizeTests()); 434 435 TestCaseGroup* layerTests = new TestCaseGroup( 436 getContext(), "layer", "Tests for layer attachments"); 437 438 static const NumLayersParams s_layersParams[] = 439 { // textureKind numLayers attachmentKind 440 { GL_TEXTURE_2D_ARRAY, 1, 0 }, 441 { GL_TEXTURE_2D_ARRAY, 1, 3 }, 442 { GL_TEXTURE_2D_ARRAY, 4, 3 }, 443 { GL_TEXTURE_2D_ARRAY, 4, 15 }, 444 { GL_TEXTURE_3D, 1, 0 }, 445 { GL_TEXTURE_3D, 1, 15 }, 446 { GL_TEXTURE_3D, 4, 15 }, 447 { GL_TEXTURE_3D, 64, 15 }, 448 }; 449 450 for (const NumLayersParams* lp = DE_ARRAY_BEGIN(s_layersParams); 451 lp != DE_ARRAY_END(s_layersParams); 452 ++lp) 453 layerTests->addChild(new NumLayersTest(m_fboc, *lp)); 454 455 addChild(layerTests); 456 457 TestCaseGroup* sampleTests = new TestCaseGroup( 458 getContext(), "samples", "Tests for multisample attachments"); 459 460 static const NumSamplesParams s_samplesParams[] = 461 { 462 { { 0, SAMPLES_NONE, SAMPLES_NONE } }, 463 { { 1, SAMPLES_NONE, SAMPLES_NONE } }, 464 { { 2, SAMPLES_NONE, SAMPLES_NONE } }, 465 { { 0, SAMPLES_TEXTURE, SAMPLES_NONE } }, 466 { { 1, SAMPLES_TEXTURE, SAMPLES_NONE } }, 467 { { 2, SAMPLES_TEXTURE, SAMPLES_NONE } }, 468 { { 2, 1, SAMPLES_NONE } }, 469 { { 2, 2, SAMPLES_NONE } }, 470 { { 0, 0, SAMPLES_TEXTURE } }, 471 { { 1, 2, 0 } }, 472 { { 2, 2, 0 } }, 473 { { 1, 1, 1 } }, 474 { { 1, 2, 4 } }, 475 }; 476 477 for (const NumSamplesParams* lp = DE_ARRAY_BEGIN(s_samplesParams); 478 lp != DE_ARRAY_END(s_samplesParams); 479 ++lp) 480 sampleTests->addChild(new NumSamplesTest(m_fboc, *lp)); 481 482 addChild(sampleTests); 483 } 484 485 TestGroup::TestGroup (Context& ctx) 486 : TestCaseGroup (ctx, "completeness", "Completeness tests") 487 , m_checkerFactory () 488 , m_fboc (ctx.getTestContext(), ctx.getRenderContext(), m_checkerFactory) 489 { 490 const FormatEntries stdRange = GLS_ARRAY_RANGE(s_es3Formats); 491 const FormatExtEntries extRange = GLS_ARRAY_RANGE(s_es3ExtFormats); 492 493 m_fboc.addFormats(stdRange); 494 m_fboc.addExtFormats(extRange); 495 m_fboc.setHaveMulticolorAtts(true); // Vanilla ES3 has multiple color attachments 496 } 497 498 tcu::TestCaseGroup* createFboCompletenessTests (Context& context) 499 { 500 return new TestGroup(context); 501 } 502 503 } // Functional 504 } // gles3 505 } // deqp 506