1 /*------------------------------------------------------------------------- 2 * drawElements Quality Program OpenGL ES 3.0 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 Randomized per-fragment operation tests. 22 *//*--------------------------------------------------------------------*/ 23 24 #include "es3fRandomFragmentOpTests.hpp" 25 #include "glsFragmentOpUtil.hpp" 26 #include "glsInteractionTestUtil.hpp" 27 #include "tcuRenderTarget.hpp" 28 #include "tcuTestLog.hpp" 29 #include "tcuSurface.hpp" 30 #include "tcuCommandLine.hpp" 31 #include "tcuImageCompare.hpp" 32 #include "tcuVectorUtil.hpp" 33 #include "tcuTextureUtil.hpp" 34 #include "gluPixelTransfer.hpp" 35 #include "gluCallLogWrapper.hpp" 36 #include "gluRenderContext.hpp" 37 #include "deStringUtil.hpp" 38 #include "deRandom.hpp" 39 #include "deMath.h" 40 #include "glwEnums.hpp" 41 #include "glwFunctions.hpp" 42 #include "rrFragmentOperations.hpp" 43 #include "sglrReferenceUtils.hpp" 44 45 #include <algorithm> 46 47 namespace deqp 48 { 49 namespace gles3 50 { 51 namespace Functional 52 { 53 54 using std::vector; 55 using tcu::TestLog; 56 using tcu::Vec2; 57 using tcu::Vec4; 58 using tcu::IVec2; 59 using tcu::BVec4; 60 61 enum 62 { 63 VIEWPORT_WIDTH = 64, 64 VIEWPORT_HEIGHT = 64, 65 NUM_CALLS_PER_ITERATION = 3, 66 NUM_ITERATIONS_PER_CASE = 10 67 }; 68 69 static const tcu::Vec4 CLEAR_COLOR (0.25f, 0.5f, 0.75f, 1.0f); 70 static const float CLEAR_DEPTH = 1.0f; 71 static const int CLEAR_STENCIL = 0; 72 static const bool ENABLE_CALL_LOG = true; 73 74 using namespace gls::FragmentOpUtil; 75 using namespace gls::InteractionTestUtil; 76 77 void translateStencilState (const StencilState& src, rr::StencilState& dst) 78 { 79 dst.func = sglr::rr_util::mapGLTestFunc(src.function); 80 dst.ref = src.reference; 81 dst.compMask = src.compareMask; 82 dst.sFail = sglr::rr_util::mapGLStencilOp(src.stencilFailOp); 83 dst.dpFail = sglr::rr_util::mapGLStencilOp(src.depthFailOp); 84 dst.dpPass = sglr::rr_util::mapGLStencilOp(src.depthPassOp); 85 dst.writeMask = src.writeMask; 86 } 87 88 void translateBlendState (const BlendState& src, rr::BlendState& dst) 89 { 90 dst.equation = sglr::rr_util::mapGLBlendEquation(src.equation); 91 dst.srcFunc = sglr::rr_util::mapGLBlendFunc(src.srcFunc); 92 dst.dstFunc = sglr::rr_util::mapGLBlendFunc(src.dstFunc); 93 } 94 95 void translateState (const RenderState& src, rr::FragmentOperationState& dst, const tcu::RenderTarget& renderTarget) 96 { 97 bool hasDepth = renderTarget.getDepthBits() > 0; 98 bool hasStencil = renderTarget.getStencilBits() > 0; 99 100 dst.scissorTestEnabled = src.scissorTestEnabled; 101 dst.scissorRectangle = src.scissorRectangle; 102 dst.stencilTestEnabled = hasStencil && src.stencilTestEnabled; 103 dst.depthTestEnabled = hasDepth && src.depthTestEnabled; 104 dst.blendMode = src.blendEnabled ? rr::BLENDMODE_STANDARD : rr::BLENDMODE_NONE; 105 dst.numStencilBits = renderTarget.getStencilBits(); 106 107 dst.colorMask = src.colorMask; 108 109 if (dst.depthTestEnabled) 110 { 111 dst.depthFunc = sglr::rr_util::mapGLTestFunc(src.depthFunc); 112 dst.depthMask = src.depthWriteMask; 113 } 114 115 if (dst.stencilTestEnabled) 116 { 117 translateStencilState(src.stencil[rr::FACETYPE_BACK], dst.stencilStates[rr::FACETYPE_BACK]); 118 translateStencilState(src.stencil[rr::FACETYPE_FRONT], dst.stencilStates[rr::FACETYPE_FRONT]); 119 } 120 121 if (src.blendEnabled) 122 { 123 translateBlendState(src.blendRGBState, dst.blendRGBState); 124 translateBlendState(src.blendAState, dst.blendAState); 125 dst.blendColor = tcu::clamp(src.blendColor, Vec4(0.0f), Vec4(1.0f)); 126 } 127 } 128 129 static void renderQuad (const glw::Functions& gl, gls::FragmentOpUtil::QuadRenderer& renderer, const gls::FragmentOpUtil::IntegerQuad& quad, int baseX, int baseY) 130 { 131 gls::FragmentOpUtil::Quad translated; 132 133 std::copy(DE_ARRAY_BEGIN(quad.color), DE_ARRAY_END(quad.color), DE_ARRAY_BEGIN(translated.color)); 134 135 bool flipX = quad.posB.x() < quad.posA.x(); 136 bool flipY = quad.posB.y() < quad.posA.y(); 137 int viewportX = de::min(quad.posA.x(), quad.posB.x()); 138 int viewportY = de::min(quad.posA.y(), quad.posB.y()); 139 int viewportW = de::abs(quad.posA.x()-quad.posB.x())+1; 140 int viewportH = de::abs(quad.posA.y()-quad.posB.y())+1; 141 142 translated.posA = Vec2(flipX ? 1.0f : -1.0f, flipY ? 1.0f : -1.0f); 143 translated.posB = Vec2(flipX ? -1.0f : 1.0f, flipY ? -1.0f : 1.0f); 144 145 // \todo [2012-12-18 pyry] Pass in DepthRange parameters. 146 for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(quad.depth); ndx++) 147 translated.depth[ndx] = quad.depth[ndx]*2.0f - 1.0f; 148 149 gl.viewport(baseX+viewportX, baseY+viewportY, viewportW, viewportH); 150 renderer.render(translated); 151 } 152 153 static void setGLState (glu::CallLogWrapper& wrapper, const RenderState& state, int viewportX, int viewportY) 154 { 155 if (state.scissorTestEnabled) 156 { 157 wrapper.glEnable(GL_SCISSOR_TEST); 158 wrapper.glScissor(viewportX+state.scissorRectangle.left, viewportY+state.scissorRectangle.bottom, 159 state.scissorRectangle.width, state.scissorRectangle.height); 160 } 161 else 162 wrapper.glDisable(GL_SCISSOR_TEST); 163 164 if (state.stencilTestEnabled) 165 { 166 wrapper.glEnable(GL_STENCIL_TEST); 167 168 for (int face = 0; face < rr::FACETYPE_LAST; face++) 169 { 170 deUint32 glFace = face == rr::FACETYPE_BACK ? GL_BACK : GL_FRONT; 171 const StencilState& sParams = state.stencil[face]; 172 173 wrapper.glStencilFuncSeparate(glFace, sParams.function, sParams.reference, sParams.compareMask); 174 wrapper.glStencilOpSeparate(glFace, sParams.stencilFailOp, sParams.depthFailOp, sParams.depthPassOp); 175 wrapper.glStencilMaskSeparate(glFace, sParams.writeMask); 176 } 177 } 178 else 179 wrapper.glDisable(GL_STENCIL_TEST); 180 181 if (state.depthTestEnabled) 182 { 183 wrapper.glEnable(GL_DEPTH_TEST); 184 wrapper.glDepthFunc(state.depthFunc); 185 wrapper.glDepthMask(state.depthWriteMask ? GL_TRUE : GL_FALSE); 186 } 187 else 188 wrapper.glDisable(GL_DEPTH_TEST); 189 190 if (state.blendEnabled) 191 { 192 wrapper.glEnable(GL_BLEND); 193 wrapper.glBlendEquationSeparate(state.blendRGBState.equation, state.blendAState.equation); 194 wrapper.glBlendFuncSeparate(state.blendRGBState.srcFunc, state.blendRGBState.dstFunc, state.blendAState.srcFunc, state.blendAState.dstFunc); 195 wrapper.glBlendColor(state.blendColor.x(), state.blendColor.y(), state.blendColor.z(), state.blendColor.w()); 196 } 197 else 198 wrapper.glDisable(GL_BLEND); 199 200 if (state.ditherEnabled) 201 wrapper.glEnable(GL_DITHER); 202 else 203 wrapper.glDisable(GL_DITHER); 204 205 wrapper.glColorMask(state.colorMask[0] ? GL_TRUE : GL_FALSE, 206 state.colorMask[1] ? GL_TRUE : GL_FALSE, 207 state.colorMask[2] ? GL_TRUE : GL_FALSE, 208 state.colorMask[3] ? GL_TRUE : GL_FALSE); 209 } 210 211 class RandomFragmentOpCase : public TestCase 212 { 213 public: 214 RandomFragmentOpCase (Context& context, const char* name, const char* desc, deUint32 seed); 215 ~RandomFragmentOpCase (void); 216 217 void init (void); 218 void deinit (void); 219 IterateResult iterate (void); 220 221 private: 222 tcu::UVec4 getCompareThreshold (void) const; 223 224 deUint32 m_seed; 225 226 glu::CallLogWrapper m_callLogWrapper; 227 228 gls::FragmentOpUtil::QuadRenderer* m_renderer; 229 tcu::TextureLevel* m_refColorBuffer; 230 tcu::TextureLevel* m_refDepthBuffer; 231 tcu::TextureLevel* m_refStencilBuffer; 232 gls::FragmentOpUtil::ReferenceQuadRenderer* m_refRenderer; 233 234 int m_iterNdx; 235 }; 236 237 RandomFragmentOpCase::RandomFragmentOpCase (Context& context, const char* name, const char* desc, deUint32 seed) 238 : TestCase (context, name, desc) 239 , m_seed (seed) 240 , m_callLogWrapper (context.getRenderContext().getFunctions(), context.getTestContext().getLog()) 241 , m_renderer (DE_NULL) 242 , m_refColorBuffer (DE_NULL) 243 , m_refDepthBuffer (DE_NULL) 244 , m_refStencilBuffer (DE_NULL) 245 , m_refRenderer (DE_NULL) 246 , m_iterNdx (0) 247 { 248 m_callLogWrapper.enableLogging(ENABLE_CALL_LOG); 249 } 250 251 RandomFragmentOpCase::~RandomFragmentOpCase (void) 252 { 253 delete m_renderer; 254 delete m_refColorBuffer; 255 delete m_refDepthBuffer; 256 delete m_refStencilBuffer; 257 delete m_refRenderer; 258 } 259 260 void RandomFragmentOpCase::init (void) 261 { 262 DE_ASSERT(!m_renderer && !m_refColorBuffer && !m_refDepthBuffer && !m_refStencilBuffer && !m_refRenderer); 263 264 int width = de::min<int>(m_context.getRenderTarget().getWidth(), VIEWPORT_WIDTH); 265 int height = de::min<int>(m_context.getRenderTarget().getHeight(), VIEWPORT_HEIGHT); 266 bool useRGB = m_context.getRenderTarget().getPixelFormat().alphaBits == 0; 267 268 m_renderer = new gls::FragmentOpUtil::QuadRenderer(m_context.getRenderContext(), glu::GLSL_VERSION_300_ES); 269 m_refColorBuffer = new tcu::TextureLevel(tcu::TextureFormat(useRGB ? tcu::TextureFormat::RGB : tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), width, height); 270 m_refDepthBuffer = new tcu::TextureLevel(tcu::TextureFormat(tcu::TextureFormat::D, tcu::TextureFormat::FLOAT), width, height); 271 m_refStencilBuffer = new tcu::TextureLevel(tcu::TextureFormat(tcu::TextureFormat::S, tcu::TextureFormat::UNSIGNED_INT32), width, height); 272 m_refRenderer = new gls::FragmentOpUtil::ReferenceQuadRenderer(); 273 m_iterNdx = 0; 274 275 m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass"); 276 } 277 278 void RandomFragmentOpCase::deinit (void) 279 { 280 delete m_renderer; 281 delete m_refColorBuffer; 282 delete m_refDepthBuffer; 283 delete m_refStencilBuffer; 284 delete m_refRenderer; 285 286 m_renderer = DE_NULL; 287 m_refColorBuffer = DE_NULL; 288 m_refDepthBuffer = DE_NULL; 289 m_refStencilBuffer = DE_NULL; 290 m_refRenderer = DE_NULL; 291 } 292 293 RandomFragmentOpCase::IterateResult RandomFragmentOpCase::iterate (void) 294 { 295 const glw::Functions& gl = m_context.getRenderContext().getFunctions(); 296 const bool isMSAA = m_context.getRenderTarget().getNumSamples() > 1; 297 const deUint32 iterSeed = deUint32Hash(m_seed) ^ deInt32Hash(m_iterNdx) ^ deInt32Hash(m_testCtx.getCommandLine().getBaseSeed()); 298 de::Random rnd (iterSeed); 299 300 const int width = m_refColorBuffer->getWidth(); 301 const int height = m_refColorBuffer->getHeight(); 302 const int viewportX = rnd.getInt(0, m_context.getRenderTarget().getWidth()-width); 303 const int viewportY = rnd.getInt(0, m_context.getRenderTarget().getHeight()-height); 304 305 tcu::Surface renderedImg (width, height); 306 tcu::Surface referenceImg (width, height); 307 308 const Vec4 clearColor = CLEAR_COLOR; 309 const float clearDepth = CLEAR_DEPTH; 310 const int clearStencil = CLEAR_STENCIL; 311 312 bool gotError = false; 313 314 const tcu::ScopedLogSection iterSection (m_testCtx.getLog(), std::string("Iteration") + de::toString(m_iterNdx), std::string("Iteration ") + de::toString(m_iterNdx)); 315 316 // Compute randomized rendering commands. 317 vector<RenderCommand> commands; 318 computeRandomRenderCommands(rnd, glu::ApiType::es(3,0), NUM_CALLS_PER_ITERATION, width, height, commands); 319 320 // Reset default fragment state. 321 gl.disable(GL_SCISSOR_TEST); 322 gl.colorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); 323 gl.depthMask(GL_TRUE); 324 gl.stencilMask(~0u); 325 326 // Render using GL. 327 m_callLogWrapper.glClearColor(clearColor.x(), clearColor.y(), clearColor.z(), clearColor.w()); 328 m_callLogWrapper.glClearDepthf(clearDepth); 329 m_callLogWrapper.glClearStencil(clearStencil); 330 m_callLogWrapper.glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT); 331 m_callLogWrapper.glViewport(viewportX, viewportY, width, height); 332 333 for (vector<RenderCommand>::const_iterator cmd = commands.begin(); cmd != commands.end(); cmd++) 334 { 335 setGLState(m_callLogWrapper, cmd->state, viewportX, viewportY); 336 337 if (ENABLE_CALL_LOG) 338 m_testCtx.getLog() << TestLog::Message << "// Quad: " << cmd->quad.posA << " -> " << cmd->quad.posB 339 << ", color: [" << cmd->quad.color[0] << ", " << cmd->quad.color[1] << ", " << cmd->quad.color[2] << ", " << cmd->quad.color[3] << "]" 340 << ", depth: [" << cmd->quad.depth[0] << ", " << cmd->quad.depth[1] << ", " << cmd->quad.depth[2] << ", " << cmd->quad.depth[3] << "]" 341 << TestLog::EndMessage; 342 343 renderQuad(gl, *m_renderer, cmd->quad, viewportX, viewportY); 344 } 345 346 // Check error. 347 if (m_callLogWrapper.glGetError() != GL_NO_ERROR) 348 gotError = true; 349 350 gl.flush(); 351 352 // Render reference while GPU is doing work. 353 tcu::clear (m_refColorBuffer->getAccess(), clearColor); 354 tcu::clearDepth (m_refDepthBuffer->getAccess(), clearDepth); 355 tcu::clearStencil (m_refStencilBuffer->getAccess(), clearStencil); 356 357 for (vector<RenderCommand>::const_iterator cmd = commands.begin(); cmd != commands.end(); cmd++) 358 { 359 rr::FragmentOperationState refState; 360 translateState(cmd->state, refState, m_context.getRenderTarget()); 361 m_refRenderer->render(gls::FragmentOpUtil::getMultisampleAccess(m_refColorBuffer->getAccess()), 362 gls::FragmentOpUtil::getMultisampleAccess(m_refDepthBuffer->getAccess()), 363 gls::FragmentOpUtil::getMultisampleAccess(m_refStencilBuffer->getAccess()), 364 cmd->quad, refState); 365 } 366 367 // Expand reference color buffer to RGBA8 368 copy(referenceImg.getAccess(), m_refColorBuffer->getAccess()); 369 370 // Read rendered image. 371 glu::readPixels(m_context.getRenderContext(), viewportX, viewportY, renderedImg.getAccess()); 372 373 m_iterNdx += 1; 374 375 // Compare to reference. 376 const bool isLastIter = m_iterNdx >= NUM_ITERATIONS_PER_CASE; 377 const tcu::UVec4 threshold = getCompareThreshold(); 378 bool compareOk; 379 380 if (isMSAA) 381 { 382 // in MSAA cases, the sampling points could be anywhere in the pixel and we could 383 // even have multiple samples that are combined in resolve. Allow arbitrary sample 384 // positions by using bilinearCompare. 385 compareOk = tcu::bilinearCompare(m_testCtx.getLog(), 386 "CompareResult", 387 "Image Comparison Result", 388 referenceImg.getAccess(), 389 renderedImg.getAccess(), 390 tcu::RGBA(threshold.x(), threshold.y(), threshold.z(), threshold.w()), 391 tcu::COMPARE_LOG_RESULT); 392 } 393 else 394 compareOk = tcu::intThresholdCompare(m_testCtx.getLog(), 395 "CompareResult", 396 "Image Comparison Result", 397 referenceImg.getAccess(), 398 renderedImg.getAccess(), 399 threshold, 400 tcu::COMPARE_LOG_RESULT); 401 402 m_testCtx.getLog() << TestLog::Message << (compareOk ? " Passed." : " FAILED!") << TestLog::EndMessage; 403 404 if (!compareOk) 405 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Image comparison failed"); 406 else if (gotError) 407 m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "GL error"); 408 409 if (compareOk && !gotError && !isLastIter) 410 return CONTINUE; 411 else 412 return STOP; 413 } 414 415 tcu::UVec4 RandomFragmentOpCase::getCompareThreshold (void) const 416 { 417 tcu::PixelFormat format = m_context.getRenderTarget().getPixelFormat(); 418 419 if (format == tcu::PixelFormat(8, 8, 8, 8) || format == tcu::PixelFormat(8, 8, 8, 0)) 420 return format.getColorThreshold().toIVec().asUint() + tcu::UVec4(2); // Default threshold. 421 else 422 return format.getColorThreshold().toIVec().asUint() 423 * tcu::UVec4(5) + tcu::UVec4(2); // \note Non-scientific ad hoc formula. Need big threshold when few color bits; especially multiple blendings bring extra inaccuracy. 424 } 425 426 RandomFragmentOpTests::RandomFragmentOpTests (Context& context) 427 : TestCaseGroup(context, "random", "Randomized Per-Fragment Operation Tests") 428 { 429 } 430 431 RandomFragmentOpTests::~RandomFragmentOpTests (void) 432 { 433 } 434 435 void RandomFragmentOpTests::init (void) 436 { 437 for (int ndx = 0; ndx < 100; ndx++) 438 addChild(new RandomFragmentOpCase(m_context, de::toString(ndx).c_str(), "", (deUint32)(ndx*NUM_ITERATIONS_PER_CASE))); 439 } 440 441 } // Functional 442 } // gles3 443 } // deqp 444