bool GrGpuGL::programUnitTest(int maxStages) { GrTextureDesc dummyDesc; dummyDesc.fFlags = kRenderTarget_GrTextureFlagBit; dummyDesc.fConfig = kSkia8888_GrPixelConfig; dummyDesc.fWidth = 34; dummyDesc.fHeight = 18; SkAutoTUnref<GrTexture> dummyTexture1(this->createTexture(dummyDesc, NULL, 0)); dummyDesc.fFlags = kNone_GrTextureFlags; dummyDesc.fConfig = kAlpha_8_GrPixelConfig; dummyDesc.fWidth = 16; dummyDesc.fHeight = 22; SkAutoTUnref<GrTexture> dummyTexture2(this->createTexture(dummyDesc, NULL, 0)); if (!dummyTexture1 || ! dummyTexture2) { return false; } static const int NUM_TESTS = 512; SkRandom random; for (int t = 0; t < NUM_TESTS; ++t) { #if 0 GrPrintf("\nTest Program %d\n-------------\n", t); static const int stop = -1; if (t == stop) { int breakpointhere = 9; } #endif GrGLProgramDesc pdesc; int currAttribIndex = 1; // we need to always leave room for position int currTextureCoordSet = 0; GrTexture* dummyTextures[] = {dummyTexture1.get(), dummyTexture2.get()}; int numStages = random.nextULessThan(maxStages + 1); int numColorStages = random.nextULessThan(numStages + 1); int numCoverageStages = numStages - numColorStages; SkAutoSTMalloc<8, const GrFragmentStage*> stages(numStages); bool usePathRendering = this->glCaps().pathRenderingSupport() && random.nextBool(); GrGpu::DrawType drawType = usePathRendering ? GrGpu::kDrawPath_DrawType : GrGpu::kDrawPoints_DrawType; SkAutoTDelete<GrGeometryStage> geometryProcessor; bool hasGeometryProcessor = usePathRendering ? false : random.nextBool(); if (hasGeometryProcessor) { while (true) { SkAutoTUnref<const GrGeometryProcessor> effect( GrProcessorTestFactory<GrGeometryProcessor>::CreateStage(&random, this->getContext(), *this->caps(), dummyTextures)); SkASSERT(effect); // Only geometryProcessor can use vertex shader GrGeometryStage* stage = SkNEW_ARGS(GrGeometryStage, (effect.get())); geometryProcessor.reset(stage); // we have to set dummy vertex attribs const GrGeometryProcessor::VertexAttribArray& v = effect->getVertexAttribs(); int numVertexAttribs = v.count(); SkASSERT(GrGeometryProcessor::kMaxVertexAttribs == 2 && GrGeometryProcessor::kMaxVertexAttribs >= numVertexAttribs); size_t runningStride = GrVertexAttribTypeSize(genericVertexAttribs[0].fType); for (int i = 0; i < numVertexAttribs; i++) { genericVertexAttribs[i + 1].fOffset = runningStride; genericVertexAttribs[i + 1].fType = convert_sltype_to_attribtype(v[i].getType()); runningStride += GrVertexAttribTypeSize(genericVertexAttribs[i + 1].fType); } // update the vertex attributes with the ds GrDrawState* ds = this->drawState(); ds->setVertexAttribs<genericVertexAttribs>(numVertexAttribs + 1, runningStride); currAttribIndex = numVertexAttribs + 1; break; } } for (int s = 0; s < numStages;) { SkAutoTUnref<const GrFragmentProcessor> effect( GrProcessorTestFactory<GrFragmentProcessor>::CreateStage( &random, this->getContext(), *this->caps(), dummyTextures)); SkASSERT(effect); // If adding this effect would exceed the max texture coord set count then generate a // new random effect. if (usePathRendering && this->glPathRendering()->texturingMode() == GrGLPathRendering::FixedFunction_TexturingMode) {; int numTransforms = effect->numTransforms(); if (currTextureCoordSet + numTransforms > this->glCaps().maxFixedFunctionTextureCoords()) { continue; } currTextureCoordSet += numTransforms; } GrFragmentStage* stage = SkNEW_ARGS(GrFragmentStage, (effect.get())); stages[s] = stage; ++s; } const GrTexture* dstTexture = random.nextBool() ? dummyTextures[0] : dummyTextures[1]; if (!pdesc.setRandom(&random, this, dummyTextures[0]->asRenderTarget(), dstTexture, geometryProcessor.get(), stages.get(), numColorStages, numCoverageStages, currAttribIndex, drawType)) { return false; } SkAutoTUnref<GrOptDrawState> optState(GrOptDrawState::Create(this->getDrawState(), *this->caps(), drawType)); SkAutoTUnref<GrGLProgram> program( GrGLProgramBuilder::CreateProgram(*optState, pdesc, drawType, geometryProcessor, stages, stages + numColorStages, this)); for (int s = 0; s < numStages; ++s) { SkDELETE(stages[s]); } if (NULL == program.get()) { return false; } // We have to reset the drawstate because we might have added a gp this->drawState()->reset(); } return true; }
bool GrGpuGL::programUnitTest(int maxStages) { GrTextureDesc dummyDesc; dummyDesc.fFlags = kRenderTarget_GrTextureFlagBit; dummyDesc.fConfig = kSkia8888_GrPixelConfig; dummyDesc.fWidth = 34; dummyDesc.fHeight = 18; SkAutoTUnref<GrTexture> dummyTexture1(this->createTexture(dummyDesc, NULL, 0)); dummyDesc.fFlags = kNone_GrTextureFlags; dummyDesc.fConfig = kAlpha_8_GrPixelConfig; dummyDesc.fWidth = 16; dummyDesc.fHeight = 22; SkAutoTUnref<GrTexture> dummyTexture2(this->createTexture(dummyDesc, NULL, 0)); static const int NUM_TESTS = 512; SkRandom random; for (int t = 0; t < NUM_TESTS; ++t) { #if 0 GrPrintf("\nTest Program %d\n-------------\n", t); static const int stop = -1; if (t == stop) { int breakpointhere = 9; } #endif GrGLProgramDesc pdesc; int currAttribIndex = 1; // we need to always leave room for position int currTextureCoordSet = 0; int attribIndices[2] = { 0, 0 }; GrTexture* dummyTextures[] = {dummyTexture1.get(), dummyTexture2.get()}; int numStages = random.nextULessThan(maxStages + 1); int numColorStages = random.nextULessThan(numStages + 1); int numCoverageStages = numStages - numColorStages; SkAutoSTMalloc<8, const GrEffectStage*> stages(numStages); bool useFixedFunctionTexturing = this->shouldUseFixedFunctionTexturing(); for (int s = 0; s < numStages;) { SkAutoTUnref<const GrEffectRef> effect(GrEffectTestFactory::CreateStage( &random, this->getContext(), *this->caps(), dummyTextures)); SkASSERT(effect); int numAttribs = (*effect)->numVertexAttribs(); // If adding this effect would exceed the max attrib count then generate a // new random effect. if (currAttribIndex + numAttribs > GrDrawState::kMaxVertexAttribCnt) { continue; } // If adding this effect would exceed the max texture coord set count then generate a // new random effect. if (useFixedFunctionTexturing && !(*effect)->hasVertexCode()) { int numTransforms = (*effect)->numTransforms(); if (currTextureCoordSet + numTransforms > this->glCaps().maxFixedFunctionTextureCoords()) { continue; } currTextureCoordSet += numTransforms; } useFixedFunctionTexturing = useFixedFunctionTexturing && !(*effect)->hasVertexCode(); for (int i = 0; i < numAttribs; ++i) { attribIndices[i] = currAttribIndex++; } GrEffectStage* stage = SkNEW_ARGS(GrEffectStage, (effect.get(), attribIndices[0], attribIndices[1])); stages[s] = stage; ++s; } const GrTexture* dstTexture = random.nextBool() ? dummyTextures[0] : dummyTextures[1]; pdesc.setRandom(&random, this, dummyTextures[0]->asRenderTarget(), dstTexture, stages.get(), numColorStages, numCoverageStages, currAttribIndex); SkAutoTUnref<GrGLProgram> program(GrGLProgram::Create(this, pdesc, stages, stages + numColorStages)); for (int s = 0; s < numStages; ++s) { SkDELETE(stages[s]); } if (NULL == program.get()) { return false; } } return true; }