1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program OpenGL ES 3.1 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 Sample shading tests 22 *//*--------------------------------------------------------------------*/ 23 24 #include "es31fSampleShadingTests.hpp" 25 #include "es31fMultisampleShaderRenderCase.hpp" 26 #include "tcuRenderTarget.hpp" 27 #include "tcuSurface.hpp" 28 #include "glsStateQueryUtil.hpp" 29 #include "gluCallLogWrapper.hpp" 30 #include "gluContextInfo.hpp" 31 #include "gluShaderProgram.hpp" 32 #include "gluRenderContext.hpp" 33 #include "gluPixelTransfer.hpp" 34 #include "glwFunctions.hpp" 35 #include "glwEnums.hpp" 36 #include "deStringUtil.hpp" 37 #include "deRandom.hpp" 38 39 #include <map> 40 41 namespace deqp 42 { 43 namespace gles31 44 { 45 namespace Functional 46 { 47 namespace 48 { 49 50 class SampleShadingStateCase : public TestCase 51 { 52 public: 53 enum VerifierType 54 { 55 TYPE_IS_ENABLED = 0, 56 TYPE_GET_BOOLEAN, 57 TYPE_GET_INTEGER, 58 TYPE_GET_FLOAT, 59 TYPE_GET_INTEGER64, 60 TYPE_LAST 61 }; 62 63 SampleShadingStateCase (Context& ctx, const char* name, const char* desc, VerifierType); 64 65 void init (void); 66 IterateResult iterate (void); 67 68 private: 69 bool verify (bool v); 70 71 const VerifierType m_verifier; 72 }; 73 74 SampleShadingStateCase::SampleShadingStateCase (Context& ctx, const char* name, const char* desc, VerifierType type) 75 : TestCase (ctx, name, desc) 76 , m_verifier (type) 77 { 78 DE_ASSERT(m_verifier < TYPE_LAST); 79 } 80 81 void SampleShadingStateCase::init (void) 82 { 83 if (!m_context.getContextInfo().isExtensionSupported("GL_OES_sample_shading")) 84 throw tcu::NotSupportedError("Test requires GL_OES_sample_shading extension"); 85 } 86 87 SampleShadingStateCase::IterateResult SampleShadingStateCase::iterate (void) 88 { 89 bool allOk = true; 90 glu::CallLogWrapper gl (m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 91 gl.enableLogging(true); 92 93 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 94 95 // initial 96 { 97 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying initial value" << tcu::TestLog::EndMessage; 98 allOk &= verify(false); 99 } 100 101 // true and false too 102 { 103 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying random values" << tcu::TestLog::EndMessage; 104 105 gl.glEnable(GL_SAMPLE_SHADING); 106 allOk &= verify(true); 107 108 gl.glDisable(GL_SAMPLE_SHADING); 109 allOk &= verify(false); 110 } 111 112 if (!allOk && m_testCtx.getTestResult() == QP_TEST_RESULT_PASS) 113 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got unexpected value"); 114 115 return STOP; 116 } 117 118 bool SampleShadingStateCase::verify (bool v) 119 { 120 glu::CallLogWrapper gl(m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 121 gl.enableLogging(true); 122 123 switch (m_verifier) 124 { 125 case TYPE_IS_ENABLED: 126 { 127 const glw::GLboolean retVal = gl.glIsEnabled(GL_SAMPLE_SHADING); 128 129 if ((v && retVal==GL_TRUE) || (!v && retVal==GL_FALSE)) 130 return true; 131 132 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v) ? ("GL_TRUE") : ("GL_FALSE")) << ", got " << ((retVal == GL_TRUE) ? ("GL_TRUE") : (retVal == GL_FALSE) ? ("GL_FALSE") : ("not-a-boolean")) << tcu::TestLog::EndMessage; 133 return false; 134 } 135 136 case TYPE_GET_BOOLEAN: 137 { 138 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLboolean> state; 139 gl.glGetBooleanv(GL_SAMPLE_SHADING, &state); 140 141 if (!state.verifyValidity(m_testCtx)) 142 return false; 143 144 if ((v && state==GL_TRUE) || (!v && state==GL_FALSE)) 145 return true; 146 147 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v) ? ("GL_TRUE") : ("GL_FALSE")) << ", got " << ((state == GL_TRUE) ? ("GL_TRUE") : (state == GL_FALSE) ? ("GL_FALSE") : ("not-a-boolean")) << tcu::TestLog::EndMessage; 148 return false; 149 } 150 151 case TYPE_GET_INTEGER: 152 { 153 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLint> state; 154 gl.glGetIntegerv(GL_SAMPLE_SHADING, &state); 155 156 if (!state.verifyValidity(m_testCtx)) 157 return false; 158 159 if ((v && state==1) || (!v && state==0)) 160 return true; 161 162 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v) ? ("1") : ("0")) << ", got " << state << tcu::TestLog::EndMessage; 163 return false; 164 } 165 166 case TYPE_GET_FLOAT: 167 { 168 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLfloat> state; 169 gl.glGetFloatv(GL_SAMPLE_SHADING, &state); 170 171 if (!state.verifyValidity(m_testCtx)) 172 return false; 173 174 if ((v && state==1.0f) || (!v && state==0.0f)) 175 return true; 176 177 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v) ? ("1.0") : ("0.0")) << ", got " << state << tcu::TestLog::EndMessage; 178 return false; 179 } 180 181 case TYPE_GET_INTEGER64: 182 { 183 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLint64> state; 184 gl.glGetInteger64v(GL_SAMPLE_SHADING, &state); 185 186 if (!state.verifyValidity(m_testCtx)) 187 return false; 188 189 if ((v && state==1) || (!v && state==0)) 190 return true; 191 192 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v) ? ("1") : ("0")) << ", got " << state << tcu::TestLog::EndMessage; 193 return false; 194 } 195 196 default: 197 { 198 DE_ASSERT(false); 199 return false; 200 } 201 } 202 } 203 204 class MinSampleShadingValueCase : public TestCase 205 { 206 public: 207 enum VerifierType 208 { 209 TYPE_GET_BOOLEAN = 0, 210 TYPE_GET_INTEGER, 211 TYPE_GET_FLOAT, 212 TYPE_GET_INTEGER64, 213 TYPE_LAST 214 }; 215 216 MinSampleShadingValueCase (Context& ctx, const char* name, const char* desc, VerifierType); 217 218 void init (void); 219 IterateResult iterate (void); 220 221 private: 222 bool verify (float v); 223 224 const VerifierType m_verifier; 225 }; 226 227 MinSampleShadingValueCase::MinSampleShadingValueCase (Context& ctx, const char* name, const char* desc, VerifierType type) 228 : TestCase (ctx, name, desc) 229 , m_verifier (type) 230 { 231 DE_ASSERT(m_verifier < TYPE_LAST); 232 } 233 234 void MinSampleShadingValueCase::init (void) 235 { 236 if (!m_context.getContextInfo().isExtensionSupported("GL_OES_sample_shading")) 237 throw tcu::NotSupportedError("Test requires GL_OES_sample_shading extension"); 238 } 239 240 MinSampleShadingValueCase::IterateResult MinSampleShadingValueCase::iterate (void) 241 { 242 bool allOk = true; 243 glu::CallLogWrapper gl (m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 244 gl.enableLogging(true); 245 246 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 247 248 // initial 249 { 250 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying initial value" << tcu::TestLog::EndMessage; 251 allOk &= verify(0.0); 252 } 253 254 // special values 255 { 256 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying special values" << tcu::TestLog::EndMessage; 257 258 gl.glMinSampleShading(0.0f); 259 allOk &= verify(0.0); 260 261 gl.glMinSampleShading(1.0f); 262 allOk &= verify(1.0); 263 264 gl.glMinSampleShading(0.5f); 265 allOk &= verify(0.5); 266 } 267 268 // random values 269 { 270 const int numRandomTests = 10; 271 de::Random rnd (0xde123); 272 273 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying random values" << tcu::TestLog::EndMessage; 274 275 for (int randNdx = 0; randNdx < numRandomTests; ++randNdx) 276 { 277 const float value = rnd.getFloat(); 278 279 gl.glMinSampleShading(value); 280 allOk &= verify(value); 281 } 282 } 283 284 if (!allOk && m_testCtx.getTestResult() == QP_TEST_RESULT_PASS) 285 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got unexpected value"); 286 287 return STOP; 288 } 289 290 bool MinSampleShadingValueCase::verify (float v) 291 { 292 glu::CallLogWrapper gl(m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 293 gl.enableLogging(true); 294 295 switch (m_verifier) 296 { 297 case TYPE_GET_BOOLEAN: 298 { 299 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLboolean> state; 300 gl.glGetBooleanv(GL_MIN_SAMPLE_SHADING_VALUE, &state); 301 302 if (!state.verifyValidity(m_testCtx)) 303 return false; 304 305 if ((v!=0.0f && state==GL_TRUE) || (v==0.0f && state==GL_FALSE)) 306 return true; 307 308 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v!=0.0f) ? ("GL_TRUE") : ("GL_FALSE")) << ", got " << ((state == GL_TRUE) ? ("GL_TRUE") : (state == GL_FALSE) ? ("GL_FALSE") : ("not-a-boolean")) << tcu::TestLog::EndMessage; 309 return false; 310 } 311 312 case TYPE_GET_INTEGER: 313 { 314 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLint> state; 315 gl.glGetIntegerv(GL_MIN_SAMPLE_SHADING_VALUE, &state); 316 317 if (!state.verifyValidity(m_testCtx)) 318 return false; 319 320 if ((v>=0.5f && state==1) || (v<=0.5f && state==0)) 321 return true; 322 323 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v==0.5) ? ("0 or 1") : (v<0.5) ? ("0") : ("1")) << ", got " << state << tcu::TestLog::EndMessage; 324 return false; 325 } 326 327 case TYPE_GET_FLOAT: 328 { 329 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLfloat> state; 330 gl.glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE, &state); 331 332 if (!state.verifyValidity(m_testCtx)) 333 return false; 334 335 if (v == state) 336 return true; 337 338 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << v << ", got " << state << tcu::TestLog::EndMessage; 339 return false; 340 } 341 342 case TYPE_GET_INTEGER64: 343 { 344 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLint64> state; 345 gl.glGetInteger64v(GL_MIN_SAMPLE_SHADING_VALUE, &state); 346 347 if (!state.verifyValidity(m_testCtx)) 348 return false; 349 350 if ((v>=0.5f && state==1) || (v<=0.5f && state==0)) 351 return true; 352 353 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << ((v==0.5) ? ("0 or 1") : (v<0.5) ? ("0") : ("1")) << ", got " << state << tcu::TestLog::EndMessage; 354 return false; 355 } 356 357 default: 358 { 359 DE_ASSERT(false); 360 return false; 361 } 362 } 363 } 364 365 class MinSampleShadingValueClampingCase : public TestCase 366 { 367 public: 368 MinSampleShadingValueClampingCase (Context& ctx, const char* name, const char* desc); 369 370 void init (void); 371 IterateResult iterate (void); 372 373 private: 374 bool verify (float v); 375 }; 376 377 MinSampleShadingValueClampingCase::MinSampleShadingValueClampingCase (Context& ctx, const char* name, const char* desc) 378 : TestCase(ctx, name, desc) 379 { 380 } 381 382 void MinSampleShadingValueClampingCase::init (void) 383 { 384 if (!m_context.getContextInfo().isExtensionSupported("GL_OES_sample_shading")) 385 throw tcu::NotSupportedError("Test requires GL_OES_sample_shading extension"); 386 } 387 388 MinSampleShadingValueClampingCase::IterateResult MinSampleShadingValueClampingCase::iterate (void) 389 { 390 bool allOk = true; 391 glu::CallLogWrapper gl (m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 392 gl.enableLogging(true); 393 394 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 395 396 // special values 397 { 398 m_testCtx.getLog() << tcu::TestLog::Message << "Verifying clamped values. Value is clamped when specified." << tcu::TestLog::EndMessage; 399 400 gl.glMinSampleShading(-0.5f); 401 allOk &= verify(0.0); 402 403 gl.glMinSampleShading(-1.0f); 404 allOk &= verify(0.0); 405 406 gl.glMinSampleShading(-1.5f); 407 allOk &= verify(0.0); 408 409 gl.glMinSampleShading(1.5f); 410 allOk &= verify(1.0); 411 412 gl.glMinSampleShading(2.0f); 413 allOk &= verify(1.0); 414 415 gl.glMinSampleShading(2.5f); 416 allOk &= verify(1.0); 417 } 418 419 if (!allOk && m_testCtx.getTestResult() == QP_TEST_RESULT_PASS) 420 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got unexpected value"); 421 422 return STOP; 423 } 424 425 bool MinSampleShadingValueClampingCase::verify (float v) 426 { 427 glu::CallLogWrapper gl (m_context.getRenderContext().getFunctions(), m_testCtx.getLog()); 428 gls::StateQueryUtil::StateQueryMemoryWriteGuard<glw::GLfloat> state; 429 430 gl.enableLogging(true); 431 432 gl.glGetFloatv(GL_MIN_SAMPLE_SHADING_VALUE, &state); 433 434 if (!state.verifyValidity(m_testCtx)) 435 return false; 436 437 if (v == state) 438 return true; 439 440 m_testCtx.getLog() << tcu::TestLog::Message << "// ERROR: Expected " << v << ", got " << state << tcu::TestLog::EndMessage; 441 return false; 442 } 443 444 class SampleShadingRenderingCase : public MultisampleShaderRenderUtil::MultisampleRenderCase 445 { 446 public: 447 enum TestType 448 { 449 TEST_DISCARD = 0, 450 TEST_COLOR, 451 452 TEST_LAST 453 }; 454 SampleShadingRenderingCase (Context& ctx, const char* name, const char* desc, RenderTarget target, int numSamples, TestType type); 455 ~SampleShadingRenderingCase (void); 456 457 void init (void); 458 private: 459 void setShadingValue (int sampleCount); 460 461 void preDraw (void); 462 void postDraw (void); 463 std::string getIterationDescription (int iteration) const; 464 465 bool verifyImage (const tcu::Surface& resultImage); 466 467 std::string genFragmentSource (int numSamples) const; 468 469 enum 470 { 471 RENDER_SIZE = 128 472 }; 473 474 const TestType m_type; 475 }; 476 477 SampleShadingRenderingCase::SampleShadingRenderingCase (Context& ctx, const char* name, const char* desc, RenderTarget target, int numSamples, TestType type) 478 : MultisampleShaderRenderUtil::MultisampleRenderCase (ctx, name, desc, numSamples, target, RENDER_SIZE) 479 , m_type (type) 480 { 481 DE_ASSERT(type < TEST_LAST); 482 } 483 484 SampleShadingRenderingCase::~SampleShadingRenderingCase (void) 485 { 486 deinit(); 487 } 488 489 void SampleShadingRenderingCase::init (void) 490 { 491 // requirements 492 493 if (!m_context.getContextInfo().isExtensionSupported("GL_OES_sample_shading")) 494 throw tcu::NotSupportedError("Test requires GL_OES_sample_shading extension"); 495 if (m_renderTarget == TARGET_DEFAULT && m_context.getRenderTarget().getNumSamples() <= 1) 496 throw tcu::NotSupportedError("Multisampled default framebuffer required"); 497 498 // test purpose and expectations 499 m_testCtx.getLog() 500 << tcu::TestLog::Message 501 << "Verifying that a varying is given at least N different values for different samples within a single pixel.\n" 502 << " Render high-frequency function, map result to black/white. Modify N with glMinSampleShading().\n" 503 << " => Resulting image should contain N+1 shades of gray.\n" 504 << tcu::TestLog::EndMessage; 505 506 // setup resources 507 508 MultisampleShaderRenderUtil::MultisampleRenderCase::init(); 509 510 // set iterations 511 512 m_numIterations = m_numTargetSamples + 1; 513 } 514 515 void SampleShadingRenderingCase::setShadingValue (int sampleCount) 516 { 517 const glw::Functions& gl = m_context.getRenderContext().getFunctions(); 518 519 if (sampleCount == 0) 520 { 521 gl.disable(GL_SAMPLE_SHADING); 522 gl.minSampleShading(1.0f); 523 GLU_EXPECT_NO_ERROR(gl.getError(), "set ratio"); 524 } 525 else 526 { 527 // Minimum number of samples is max(ceil(<mss> * <samples>),1). Decrease mss with epsilon to prevent 528 // ceiling to a too large sample count. 529 const float epsilon = 0.25f / (float)m_numTargetSamples; 530 const float ratio = (sampleCount / (float)m_numTargetSamples) - epsilon; 531 532 gl.enable(GL_SAMPLE_SHADING); 533 gl.minSampleShading(ratio); 534 GLU_EXPECT_NO_ERROR(gl.getError(), "set ratio"); 535 536 m_testCtx.getLog() 537 << tcu::TestLog::Message 538 << "Setting MIN_SAMPLE_SHADING_VALUE = " << ratio << "\n" 539 << "Requested sample count: shadingValue * numSamples = " << ratio << " * " << m_numTargetSamples << " = " << (ratio * m_numTargetSamples) << "\n" 540 << "Minimum sample count: ceil(shadingValue * numSamples) = ceil(" << (ratio * m_numTargetSamples) << ") = " << sampleCount 541 << tcu::TestLog::EndMessage; 542 543 // can't fail with reasonable values of numSamples 544 DE_ASSERT(deFloatCeil(ratio * m_numTargetSamples) == float(sampleCount)); 545 } 546 } 547 548 void SampleShadingRenderingCase::preDraw (void) 549 { 550 setShadingValue(m_iteration); 551 } 552 553 void SampleShadingRenderingCase::postDraw (void) 554 { 555 const glw::Functions& gl = m_context.getRenderContext().getFunctions(); 556 557 gl.disable(GL_SAMPLE_SHADING); 558 gl.minSampleShading(1.0f); 559 } 560 561 std::string SampleShadingRenderingCase::getIterationDescription (int iteration) const 562 { 563 if (iteration == 0) 564 return "Disabled SAMPLE_SHADING"; 565 else 566 return "Samples per pixel: " + de::toString(iteration); 567 } 568 569 bool SampleShadingRenderingCase::verifyImage (const tcu::Surface& resultImage) 570 { 571 const int numShadesRequired = (m_iteration == 0) ? (2) : (m_iteration + 1); 572 const int rareThreshold = 100; 573 int rareCount = 0; 574 std::map<deUint32, int> shadeFrequency; 575 576 // we should now have n+1 different shades of white, n = num samples 577 578 m_testCtx.getLog() 579 << tcu::TestLog::Image("ResultImage", "Result Image", resultImage.getAccess()) 580 << tcu::TestLog::Message 581 << "Verifying image has (at least) " << numShadesRequired << " different shades.\n" 582 << "Excluding pixels with no full coverage (pixels on the shared edge of the triangle pair)." 583 << tcu::TestLog::EndMessage; 584 585 for (int y = 0; y < RENDER_SIZE; ++y) 586 for (int x = 0; x < RENDER_SIZE; ++x) 587 { 588 const tcu::RGBA color = resultImage.getPixel(x, y); 589 const deUint32 packed = ((deUint32)color.getRed()) + ((deUint32)color.getGreen() << 8) + ((deUint32)color.getGreen() << 16); 590 591 // on the triangle edge, skip 592 if (x == y) 593 continue; 594 595 if (shadeFrequency.find(packed) == shadeFrequency.end()) 596 shadeFrequency[packed] = 1; 597 else 598 shadeFrequency[packed] = shadeFrequency[packed] + 1; 599 } 600 601 for (std::map<deUint32, int>::const_iterator it = shadeFrequency.begin(); it != shadeFrequency.end(); ++it) 602 if (it->second < rareThreshold) 603 rareCount++; 604 605 m_testCtx.getLog() 606 << tcu::TestLog::Message 607 << "Found " << (int)shadeFrequency.size() << " different shades.\n" 608 << "\tRare (less than " << rareThreshold << " pixels): " << rareCount << "\n" 609 << "\tCommon: " << (int)shadeFrequency.size() - rareCount << "\n" 610 << tcu::TestLog::EndMessage; 611 612 if ((int)shadeFrequency.size() < numShadesRequired) 613 { 614 m_testCtx.getLog() << tcu::TestLog::Message << "Image verification failed." << tcu::TestLog::EndMessage; 615 return false; 616 } 617 return true; 618 } 619 620 std::string SampleShadingRenderingCase::genFragmentSource (int numSamples) const 621 { 622 DE_UNREF(numSamples); 623 624 std::ostringstream buf; 625 626 buf << "#version 310 es\n" 627 "in highp vec4 v_position;\n" 628 "layout(location = 0) out mediump vec4 fragColor;\n" 629 "void main (void)\n" 630 "{\n" 631 " highp float field = dot(v_position.xy, v_position.xy) + dot(21.0 * v_position.xx, sin(3.1 * v_position.xy));\n" 632 " fragColor = vec4(1.0, 1.0, 1.0, 1.0);\n" 633 "\n" 634 " if (fract(field) > 0.5)\n"; 635 636 if (m_type == TEST_DISCARD) 637 buf << " discard;\n"; 638 else if (m_type == TEST_COLOR) 639 buf << " fragColor = vec4(0.0, 0.0, 0.0, 1.0);\n"; 640 else 641 DE_ASSERT(false); 642 643 buf << "}"; 644 645 return buf.str(); 646 } 647 648 } // anonymous 649 650 SampleShadingTests::SampleShadingTests (Context& context) 651 : TestCaseGroup(context, "sample_shading", "Test sample shading") 652 { 653 } 654 655 SampleShadingTests::~SampleShadingTests (void) 656 { 657 } 658 659 void SampleShadingTests::init (void) 660 { 661 tcu::TestCaseGroup* const stateQueryGroup = new tcu::TestCaseGroup(m_testCtx, "state_query", "State query tests."); 662 tcu::TestCaseGroup* const minSamplesGroup = new tcu::TestCaseGroup(m_testCtx, "min_sample_shading", "Min sample shading tests."); 663 664 addChild(stateQueryGroup); 665 addChild(minSamplesGroup); 666 667 // .state query 668 { 669 stateQueryGroup->addChild(new SampleShadingStateCase (m_context, "sample_shading_is_enabled", "test SAMPLE_SHADING", SampleShadingStateCase::TYPE_IS_ENABLED)); 670 stateQueryGroup->addChild(new SampleShadingStateCase (m_context, "sample_shading_get_boolean", "test SAMPLE_SHADING", SampleShadingStateCase::TYPE_GET_BOOLEAN)); 671 stateQueryGroup->addChild(new SampleShadingStateCase (m_context, "sample_shading_get_integer", "test SAMPLE_SHADING", SampleShadingStateCase::TYPE_GET_INTEGER)); 672 stateQueryGroup->addChild(new SampleShadingStateCase (m_context, "sample_shading_get_float", "test SAMPLE_SHADING", SampleShadingStateCase::TYPE_GET_FLOAT)); 673 stateQueryGroup->addChild(new SampleShadingStateCase (m_context, "sample_shading_get_integer64", "test SAMPLE_SHADING", SampleShadingStateCase::TYPE_GET_INTEGER64)); 674 stateQueryGroup->addChild(new MinSampleShadingValueCase (m_context, "min_sample_shading_value_get_boolean", "test MIN_SAMPLE_SHADING_VALUE", MinSampleShadingValueCase::TYPE_GET_BOOLEAN)); 675 stateQueryGroup->addChild(new MinSampleShadingValueCase (m_context, "min_sample_shading_value_get_integer", "test MIN_SAMPLE_SHADING_VALUE", MinSampleShadingValueCase::TYPE_GET_INTEGER)); 676 stateQueryGroup->addChild(new MinSampleShadingValueCase (m_context, "min_sample_shading_value_get_float", "test MIN_SAMPLE_SHADING_VALUE", MinSampleShadingValueCase::TYPE_GET_FLOAT)); 677 stateQueryGroup->addChild(new MinSampleShadingValueCase (m_context, "min_sample_shading_value_get_integer64", "test MIN_SAMPLE_SHADING_VALUE", MinSampleShadingValueCase::TYPE_GET_INTEGER64)); 678 stateQueryGroup->addChild(new MinSampleShadingValueClampingCase (m_context, "min_sample_shading_value_clamping", "test MIN_SAMPLE_SHADING_VALUE clamping")); 679 } 680 681 // .min_sample_count 682 { 683 static const struct Target 684 { 685 SampleShadingRenderingCase::RenderTarget target; 686 int numSamples; 687 const char* name; 688 } targets[] = 689 { 690 { SampleShadingRenderingCase::TARGET_DEFAULT, 0, "default_framebuffer" }, 691 { SampleShadingRenderingCase::TARGET_TEXTURE, 2, "multisample_texture_samples_2" }, 692 { SampleShadingRenderingCase::TARGET_TEXTURE, 4, "multisample_texture_samples_4" }, 693 { SampleShadingRenderingCase::TARGET_TEXTURE, 8, "multisample_texture_samples_8" }, 694 { SampleShadingRenderingCase::TARGET_TEXTURE, 16, "multisample_texture_samples_16" }, 695 { SampleShadingRenderingCase::TARGET_RENDERBUFFER, 2, "multisample_renderbuffer_samples_2" }, 696 { SampleShadingRenderingCase::TARGET_RENDERBUFFER, 4, "multisample_renderbuffer_samples_4" }, 697 { SampleShadingRenderingCase::TARGET_RENDERBUFFER, 8, "multisample_renderbuffer_samples_8" }, 698 { SampleShadingRenderingCase::TARGET_RENDERBUFFER, 16, "multisample_renderbuffer_samples_16" }, 699 }; 700 701 for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(targets); ++ndx) 702 { 703 minSamplesGroup->addChild(new SampleShadingRenderingCase(m_context, (std::string(targets[ndx].name) + "_color").c_str(), "Test multiple samples per pixel with color", targets[ndx].target, targets[ndx].numSamples, SampleShadingRenderingCase::TEST_COLOR)); 704 minSamplesGroup->addChild(new SampleShadingRenderingCase(m_context, (std::string(targets[ndx].name) + "_discard").c_str(), "Test multiple samples per pixel with", targets[ndx].target, targets[ndx].numSamples, SampleShadingRenderingCase::TEST_DISCARD)); 705 } 706 } 707 } 708 709 } // Functional 710 } // gles31 711 } // deqp 712
