| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkTypes.h" |
| #include "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| #include <random> |
| #include "GrClip.h" |
| #include "GrContext.h" |
| #include "GrGpuResource.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrResourceProvider.h" |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "ops/GrMeshDrawOp.h" |
| #include "ops/GrRectOpFactory.h" |
| |
| namespace { |
| class TestOp : public GrMeshDrawOp { |
| public: |
| DEFINE_OP_CLASS_ID |
| static std::unique_ptr<GrDrawOp> Make(std::unique_ptr<GrFragmentProcessor> fp) { |
| return std::unique_ptr<GrDrawOp>(new TestOp(std::move(fp))); |
| } |
| |
| const char* name() const override { return "TestOp"; } |
| |
| void visitProxies(const VisitProxyFunc& func) const override { |
| fProcessors.visitProxies(func); |
| } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; } |
| |
| RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip, |
| GrPixelConfigIsClamped dstIsClamped) override { |
| static constexpr GrProcessorAnalysisColor kUnknownColor; |
| GrColor overrideColor; |
| fProcessors.finalize(kUnknownColor, GrProcessorAnalysisCoverage::kNone, clip, false, caps, |
| dstIsClamped, &overrideColor); |
| return RequiresDstTexture::kNo; |
| } |
| |
| private: |
| TestOp(std::unique_ptr<GrFragmentProcessor> fp) |
| : INHERITED(ClassID()), fProcessors(std::move(fp)) { |
| this->setBounds(SkRect::MakeWH(100, 100), HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| void onPrepareDraws(Target* target) override { return; } |
| |
| bool onCombineIfPossible(GrOp* op, const GrCaps& caps) override { return false; } |
| |
| GrProcessorSet fProcessors; |
| |
| typedef GrMeshDrawOp INHERITED; |
| }; |
| |
| /** |
| * FP used to test ref/IO counts on owned GrGpuResources. Can also be a parent FP to test counts |
| * of resources owned by child FPs. |
| */ |
| class TestFP : public GrFragmentProcessor { |
| public: |
| struct Image { |
| Image(sk_sp<GrTextureProxy> proxy, GrIOType ioType) : fProxy(proxy), fIOType(ioType) {} |
| sk_sp<GrTextureProxy> fProxy; |
| GrIOType fIOType; |
| }; |
| static std::unique_ptr<GrFragmentProcessor> Make(std::unique_ptr<GrFragmentProcessor> child) { |
| return std::unique_ptr<GrFragmentProcessor>(new TestFP(std::move(child))); |
| } |
| static std::unique_ptr<GrFragmentProcessor> Make(const SkTArray<sk_sp<GrTextureProxy>>& proxies, |
| const SkTArray<sk_sp<GrBuffer>>& buffers, |
| const SkTArray<Image>& images) { |
| return std::unique_ptr<GrFragmentProcessor>(new TestFP(proxies, buffers, images)); |
| } |
| |
| const char* name() const override { return "test"; } |
| |
| void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| // We don't really care about reusing these. |
| static int32_t gKey = 0; |
| b->add32(sk_atomic_inc(&gKey)); |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> clone() const override { |
| return std::unique_ptr<GrFragmentProcessor>(new TestFP(*this)); |
| } |
| |
| private: |
| TestFP(const SkTArray<sk_sp<GrTextureProxy>>& proxies, |
| const SkTArray<sk_sp<GrBuffer>>& buffers, |
| const SkTArray<Image>& images) |
| : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) { |
| this->initClassID<TestFP>(); |
| for (const auto& proxy : proxies) { |
| this->addTextureSampler(&fSamplers.emplace_back(proxy)); |
| } |
| for (const auto& buffer : buffers) { |
| this->addBufferAccess(&fBuffers.emplace_back(kRGBA_8888_GrPixelConfig, buffer.get())); |
| } |
| for (const Image& image : images) { |
| fImages.emplace_back(image.fProxy, image.fIOType, |
| GrSLMemoryModel::kNone, GrSLRestrict::kNo); |
| this->addImageStorageAccess(&fImages.back()); |
| } |
| } |
| |
| TestFP(std::unique_ptr<GrFragmentProcessor> child) |
| : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) { |
| this->initClassID<TestFP>(); |
| this->registerChildProcessor(std::move(child)); |
| } |
| |
| explicit TestFP(const TestFP& that) |
| : INHERITED(that.optimizationFlags()), fSamplers(4), fBuffers(4), fImages(4) { |
| this->initClassID<TestFP>(); |
| for (int i = 0; i < that.fSamplers.count(); ++i) { |
| fSamplers.emplace_back(that.fSamplers[i]); |
| this->addTextureSampler(&fSamplers.back()); |
| } |
| for (int i = 0; i < that.fBuffers.count(); ++i) { |
| fBuffers.emplace_back(that.fBuffers[i]); |
| this->addBufferAccess(&fBuffers.back()); |
| } |
| for (int i = 0; i < that.fImages.count(); ++i) { |
| fImages.emplace_back(that.fImages[i]); |
| this->addImageStorageAccess(&fImages.back()); |
| } |
| for (int i = 0; i < that.numChildProcessors(); ++i) { |
| this->registerChildProcessor(that.childProcessor(i).clone()); |
| } |
| } |
| |
| virtual GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
| class TestGLSLFP : public GrGLSLFragmentProcessor { |
| public: |
| TestGLSLFP() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, args.fInputColor); |
| } |
| |
| private: |
| }; |
| return new TestGLSLFP(); |
| } |
| |
| bool onIsEqual(const GrFragmentProcessor&) const override { return false; } |
| |
| GrTAllocator<TextureSampler> fSamplers; |
| GrTAllocator<BufferAccess> fBuffers; |
| GrTAllocator<ImageStorageAccess> fImages; |
| typedef GrFragmentProcessor INHERITED; |
| }; |
| } |
| |
| template <typename T> |
| inline void testingOnly_getIORefCnts(const T* resource, int* refCnt, int* readCnt, int* writeCnt) { |
| *refCnt = resource->fRefCnt; |
| *readCnt = resource->fPendingReads; |
| *writeCnt = resource->fPendingWrites; |
| } |
| |
| void testingOnly_getIORefCnts(GrTextureProxy* proxy, int* refCnt, int* readCnt, int* writeCnt) { |
| *refCnt = proxy->getBackingRefCnt_TestOnly(); |
| *readCnt = proxy->getPendingReadCnt_TestOnly(); |
| *writeCnt = proxy->getPendingWriteCnt_TestOnly(); |
| } |
| |
| DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| |
| GrSurfaceDesc desc; |
| desc.fOrigin = kTopLeft_GrSurfaceOrigin; |
| desc.fWidth = 10; |
| desc.fHeight = 10; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| |
| for (bool makeClone : {false, true}) { |
| for (int parentCnt = 0; parentCnt < 2; parentCnt++) { |
| sk_sp<GrRenderTargetContext> renderTargetContext( |
| context->makeDeferredRenderTargetContext( SkBackingFit::kApprox, 1, 1, |
| kRGBA_8888_GrPixelConfig, nullptr)); |
| { |
| bool texelBufferSupport = context->caps()->shaderCaps()->texelBufferSupport(); |
| bool imageLoadStoreSupport = context->caps()->shaderCaps()->imageLoadStoreSupport(); |
| sk_sp<GrTextureProxy> proxy1( |
| GrSurfaceProxy::MakeDeferred(context->resourceProvider(), |
| desc, SkBackingFit::kExact, |
| SkBudgeted::kYes)); |
| sk_sp<GrTextureProxy> proxy2 |
| (GrSurfaceProxy::MakeDeferred(context->resourceProvider(), |
| desc, SkBackingFit::kExact, |
| SkBudgeted::kYes)); |
| sk_sp<GrTextureProxy> proxy3( |
| GrSurfaceProxy::MakeDeferred(context->resourceProvider(), |
| desc, SkBackingFit::kExact, |
| SkBudgeted::kYes)); |
| sk_sp<GrTextureProxy> proxy4( |
| GrSurfaceProxy::MakeDeferred(context->resourceProvider(), |
| desc, SkBackingFit::kExact, |
| SkBudgeted::kYes)); |
| sk_sp<GrBuffer> buffer(texelBufferSupport |
| ? context->resourceProvider()->createBuffer( |
| 1024, GrBufferType::kTexel_GrBufferType, |
| GrAccessPattern::kStatic_GrAccessPattern, 0) |
| : nullptr); |
| { |
| SkTArray<sk_sp<GrTextureProxy>> proxies; |
| SkTArray<sk_sp<GrBuffer>> buffers; |
| SkTArray<TestFP::Image> images; |
| proxies.push_back(proxy1); |
| if (texelBufferSupport) { |
| buffers.push_back(buffer); |
| } |
| if (imageLoadStoreSupport) { |
| images.emplace_back(proxy2, GrIOType::kRead_GrIOType); |
| images.emplace_back(proxy3, GrIOType::kWrite_GrIOType); |
| images.emplace_back(proxy4, GrIOType::kRW_GrIOType); |
| } |
| auto fp = TestFP::Make(std::move(proxies), std::move(buffers), |
| std::move(images)); |
| for (int i = 0; i < parentCnt; ++i) { |
| fp = TestFP::Make(std::move(fp)); |
| } |
| std::unique_ptr<GrFragmentProcessor> clone; |
| if (makeClone) { |
| clone = fp->clone(); |
| } |
| std::unique_ptr<GrDrawOp> op(TestOp::Make(std::move(fp))); |
| renderTargetContext->priv().testingOnly_addDrawOp(std::move(op)); |
| if (clone) { |
| op = TestOp::Make(std::move(clone)); |
| renderTargetContext->priv().testingOnly_addDrawOp(std::move(op)); |
| } |
| } |
| int refCnt, readCnt, writeCnt; |
| |
| testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt); |
| // IO counts should be double if there is a clone of the FP. |
| int ioRefMul = makeClone ? 2 : 1; |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| } |
| |
| if (imageLoadStoreSupport) { |
| testingOnly_getIORefCnts(proxy2.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(proxy3.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == writeCnt); |
| |
| testingOnly_getIORefCnts(proxy4.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 1 == writeCnt); |
| } |
| |
| context->flush(); |
| |
| testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| } |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(proxy2.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(proxy3.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(proxy4.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt); |
| REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt); |
| } |
| } |
| } |
| } |
| } |
| |
| // This test uses the random GrFragmentProcessor test factory, which relies on static initializers. |
| #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| |
| #include "SkCommandLineFlags.h" |
| DEFINE_bool(randomProcessorTest, false, "Use non-deterministic seed for random processor tests?"); |
| |
| #if GR_TEST_UTILS |
| |
| static GrColor input_texel_color(int i, int j) { |
| GrColor color = GrColorPackRGBA((uint8_t)j, (uint8_t)(i + j), (uint8_t)(2 * j - i), (uint8_t)i); |
| return GrPremulColor(color); |
| } |
| |
| static GrColor4f input_texel_color4f(int i, int j) { |
| return GrColor4f::FromGrColor(input_texel_color(i, j)); |
| } |
| |
| void test_draw_op(GrRenderTargetContext* rtc, std::unique_ptr<GrFragmentProcessor> fp, |
| sk_sp<GrTextureProxy> inputDataProxy) { |
| GrPaint paint; |
| paint.addColorTextureProcessor(std::move(inputDataProxy), nullptr, SkMatrix::I()); |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| |
| auto op = GrRectOpFactory::MakeNonAAFill(std::move(paint), SkMatrix::I(), |
| SkRect::MakeWH(rtc->width(), rtc->height()), |
| GrAAType::kNone); |
| rtc->addDrawOp(GrNoClip(), std::move(op)); |
| } |
| |
| /** Initializes the two test texture proxies that are available to the FP test factories. */ |
| bool init_test_textures(GrContext* context, SkRandom* random, sk_sp<GrTextureProxy> proxies[2]) { |
| static const int kTestTextureSize = 256; |
| GrSurfaceDesc desc; |
| desc.fOrigin = kBottomLeft_GrSurfaceOrigin; |
| desc.fWidth = kTestTextureSize; |
| desc.fHeight = kTestTextureSize; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| |
| // Put premul data into the RGBA texture that the test FPs can optionally use. |
| std::unique_ptr<GrColor[]> rgbaData(new GrColor[kTestTextureSize * kTestTextureSize]); |
| for (int y = 0; y < kTestTextureSize; ++y) { |
| for (int x = 0; x < kTestTextureSize; ++x) { |
| rgbaData[kTestTextureSize * y + x] = |
| input_texel_color(random->nextULessThan(256), random->nextULessThan(256)); |
| } |
| } |
| proxies[0] = GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kYes, |
| rgbaData.get(), kTestTextureSize * sizeof(GrColor)); |
| |
| // Put random values into the alpha texture that the test FPs can optionally use. |
| desc.fConfig = kAlpha_8_GrPixelConfig; |
| std::unique_ptr<uint8_t[]> alphaData(new uint8_t[kTestTextureSize * kTestTextureSize]); |
| for (int y = 0; y < kTestTextureSize; ++y) { |
| for (int x = 0; x < kTestTextureSize; ++x) { |
| alphaData[kTestTextureSize * y + x] = random->nextULessThan(256); |
| } |
| } |
| proxies[1] = GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kYes, |
| alphaData.get(), kTestTextureSize); |
| |
| return proxies[0] && proxies[1]; |
| } |
| |
| // Creates a texture of premul colors used as the output of the fragment processor that precedes |
| // the fragment processor under test. Color values are those provided by input_texel_color(). |
| sk_sp<GrTextureProxy> make_input_texture(GrContext* context, int width, int height) { |
| std::unique_ptr<GrColor[]> data(new GrColor[width * height]); |
| for (int y = 0; y < width; ++y) { |
| for (int x = 0; x < height; ++x) { |
| data.get()[width * y + x] = input_texel_color(x, y); |
| } |
| } |
| GrSurfaceDesc desc; |
| desc.fOrigin = kBottomLeft_GrSurfaceOrigin; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| return GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kYes, |
| data.get(), width * sizeof(GrColor)); |
| } |
| DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| using FPFactory = GrFragmentProcessorTestFactory; |
| |
| uint32_t seed = 0; |
| if (FLAGS_randomProcessorTest) { |
| std::random_device rd; |
| seed = rd(); |
| } |
| // If a non-deterministic bot fails this test, check the output to see what seed it used, then |
| // hard-code that value here: |
| SkRandom random(seed); |
| |
| // Make the destination context for the test. |
| static constexpr int kRenderSize = 256; |
| sk_sp<GrRenderTargetContext> rtc = context->makeDeferredRenderTargetContext( |
| SkBackingFit::kExact, kRenderSize, kRenderSize, kRGBA_8888_GrPixelConfig, nullptr); |
| |
| sk_sp<GrTextureProxy> proxies[2]; |
| if (!init_test_textures(context, &random, proxies)) { |
| ERRORF(reporter, "Could not create test textures"); |
| return; |
| } |
| GrProcessorTestData testData(&random, context, rtc.get(), proxies); |
| |
| auto inputTexture = make_input_texture(context, kRenderSize, kRenderSize); |
| |
| std::unique_ptr<GrColor[]> readData(new GrColor[kRenderSize * kRenderSize]); |
| // Because processor factories configure themselves in random ways, this is not exhaustive. |
| for (int i = 0; i < FPFactory::Count(); ++i) { |
| int timesToInvokeFactory = 5; |
| // Increase the number of attempts if the FP has child FPs since optimizations likely depend |
| // on child optimizations being present. |
| std::unique_ptr<GrFragmentProcessor> fp = FPFactory::MakeIdx(i, &testData); |
| for (int j = 0; j < fp->numChildProcessors(); ++j) { |
| // This value made a reasonable trade off between time and coverage when this test was |
| // written. |
| timesToInvokeFactory *= FPFactory::Count() / 2; |
| } |
| for (int j = 0; j < timesToInvokeFactory; ++j) { |
| fp = FPFactory::MakeIdx(i, &testData); |
| if (!fp->instantiate(context->resourceProvider())) { |
| continue; |
| } |
| |
| if (!fp->hasConstantOutputForConstantInput() && !fp->preservesOpaqueInput() && |
| !fp->compatibleWithCoverageAsAlpha()) { |
| continue; |
| } |
| |
| // Since we transfer away ownership of the original FP, we make a clone. |
| auto clone = fp->clone(); |
| |
| test_draw_op(rtc.get(), std::move(fp), inputTexture); |
| memset(readData.get(), 0x0, sizeof(GrColor) * kRenderSize * kRenderSize); |
| rtc->readPixels(SkImageInfo::Make(kRenderSize, kRenderSize, kRGBA_8888_SkColorType, |
| kPremul_SkAlphaType), |
| readData.get(), 0, 0, 0); |
| bool passing = true; |
| if (0) { // Useful to see what FPs are being tested. |
| SkString children; |
| for (int c = 0; c < clone->numChildProcessors(); ++c) { |
| if (!c) { |
| children.append("("); |
| } |
| children.append(clone->name()); |
| children.append(c == clone->numChildProcessors() - 1 ? ")" : ", "); |
| } |
| SkDebugf("%s %s\n", clone->name(), children.c_str()); |
| } |
| for (int y = 0; y < kRenderSize && passing; ++y) { |
| for (int x = 0; x < kRenderSize && passing; ++x) { |
| GrColor input = input_texel_color(x, y); |
| GrColor output = readData.get()[y * kRenderSize + x]; |
| if (clone->compatibleWithCoverageAsAlpha()) { |
| // A modulating processor is allowed to modulate either the input color or |
| // just the input alpha. |
| bool legalColorModulation = |
| GrColorUnpackA(output) <= GrColorUnpackA(input) && |
| GrColorUnpackR(output) <= GrColorUnpackR(input) && |
| GrColorUnpackG(output) <= GrColorUnpackG(input) && |
| GrColorUnpackB(output) <= GrColorUnpackB(input); |
| bool legalAlphaModulation = |
| GrColorUnpackA(output) <= GrColorUnpackA(input) && |
| GrColorUnpackR(output) <= GrColorUnpackA(input) && |
| GrColorUnpackG(output) <= GrColorUnpackA(input) && |
| GrColorUnpackB(output) <= GrColorUnpackA(input); |
| if (!legalColorModulation && !legalAlphaModulation) { |
| ERRORF(reporter, |
| "\"Modulating\" processor %s made color/alpha value larger. " |
| "Input: 0x%08x, Output: 0x%08x.", |
| clone->name(), input, output); |
| passing = false; |
| } |
| } |
| GrColor4f input4f = input_texel_color4f(x, y); |
| GrColor4f output4f = GrColor4f::FromGrColor(output); |
| GrColor4f expected4f; |
| if (clone->hasConstantOutputForConstantInput(input4f, &expected4f)) { |
| float rDiff = fabsf(output4f.fRGBA[0] - expected4f.fRGBA[0]); |
| float gDiff = fabsf(output4f.fRGBA[1] - expected4f.fRGBA[1]); |
| float bDiff = fabsf(output4f.fRGBA[2] - expected4f.fRGBA[2]); |
| float aDiff = fabsf(output4f.fRGBA[3] - expected4f.fRGBA[3]); |
| static constexpr float kTol = 4 / 255.f; |
| if (rDiff > kTol || gDiff > kTol || bDiff > kTol || aDiff > kTol) { |
| ERRORF(reporter, |
| "Processor %s claimed output for const input doesn't match " |
| "actual output. Error: %f, Tolerance: %f, input: (%f, %f, %f, " |
| "%f), actual: (%f, %f, %f, %f), expected(%f, %f, %f, %f)", |
| fp->name(), SkTMax(rDiff, SkTMax(gDiff, SkTMax(bDiff, aDiff))), |
| kTol, input4f.fRGBA[0], input4f.fRGBA[1], input4f.fRGBA[2], |
| input4f.fRGBA[3], output4f.fRGBA[0], output4f.fRGBA[1], |
| output4f.fRGBA[2], output4f.fRGBA[3], expected4f.fRGBA[0], |
| expected4f.fRGBA[1], expected4f.fRGBA[2], expected4f.fRGBA[3]); |
| passing = false; |
| } |
| } |
| if (GrColorIsOpaque(input) && clone->preservesOpaqueInput() && |
| !GrColorIsOpaque(output)) { |
| ERRORF(reporter, |
| "Processor %s claimed opaqueness is preserved but it is not. Input: " |
| "0x%08x, Output: 0x%08x.", |
| clone->name(), input, output); |
| passing = false; |
| } |
| if (!passing) { |
| ERRORF(reporter, "Seed: 0x%08x, Processor details: %s", seed, |
| clone->dumpInfo().c_str()); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Tests that fragment processors returned by GrFragmentProcessor::clone() are equivalent to their |
| // progenitors. |
| DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorCloneTest, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| |
| SkRandom random; |
| |
| // Make the destination context for the test. |
| static constexpr int kRenderSize = 1024; |
| sk_sp<GrRenderTargetContext> rtc = context->makeDeferredRenderTargetContext( |
| SkBackingFit::kExact, kRenderSize, kRenderSize, kRGBA_8888_GrPixelConfig, nullptr); |
| |
| sk_sp<GrTextureProxy> proxies[2]; |
| if (!init_test_textures(context, &random, proxies)) { |
| ERRORF(reporter, "Could not create test textures"); |
| return; |
| } |
| GrProcessorTestData testData(&random, context, rtc.get(), proxies); |
| |
| auto inputTexture = make_input_texture(context, kRenderSize, kRenderSize); |
| std::unique_ptr<GrColor[]> readData1(new GrColor[kRenderSize * kRenderSize]); |
| std::unique_ptr<GrColor[]> readData2(new GrColor[kRenderSize * kRenderSize]); |
| auto readInfo = SkImageInfo::Make(kRenderSize, kRenderSize, kRGBA_8888_SkColorType, |
| kPremul_SkAlphaType); |
| |
| // Because processor factories configure themselves in random ways, this is not exhaustive. |
| for (int i = 0; i < GrFragmentProcessorTestFactory::Count(); ++i) { |
| static constexpr int kTimesToInvokeFactory = 10; |
| for (int j = 0; j < kTimesToInvokeFactory; ++j) { |
| auto fp = GrFragmentProcessorTestFactory::MakeIdx(i, &testData); |
| auto clone = fp->clone(); |
| if (!clone) { |
| ERRORF(reporter, "Clone of processor %s failed.", fp->name()); |
| continue; |
| } |
| const char* name = fp->name(); |
| if (!fp->instantiate(context->resourceProvider()) || |
| !clone->instantiate(context->resourceProvider())) { |
| continue; |
| } |
| REPORTER_ASSERT(reporter, !strcmp(fp->name(), clone->name())); |
| REPORTER_ASSERT(reporter, fp->compatibleWithCoverageAsAlpha() == |
| clone->compatibleWithCoverageAsAlpha()); |
| REPORTER_ASSERT(reporter, fp->isEqual(*clone)); |
| REPORTER_ASSERT(reporter, fp->preservesOpaqueInput() == clone->preservesOpaqueInput()); |
| REPORTER_ASSERT(reporter, fp->hasConstantOutputForConstantInput() == |
| clone->hasConstantOutputForConstantInput()); |
| REPORTER_ASSERT(reporter, fp->numChildProcessors() == clone->numChildProcessors()); |
| REPORTER_ASSERT(reporter, fp->usesLocalCoords() == clone->usesLocalCoords()); |
| // Draw with original and read back the results. |
| test_draw_op(rtc.get(), std::move(fp), inputTexture); |
| memset(readData1.get(), 0x0, sizeof(GrColor) * kRenderSize * kRenderSize); |
| rtc->readPixels(readInfo, readData1.get(), 0, 0, 0); |
| |
| // Draw with clone and read back the results. |
| test_draw_op(rtc.get(), std::move(clone), inputTexture); |
| memset(readData2.get(), 0x0, sizeof(GrColor) * kRenderSize * kRenderSize); |
| rtc->readPixels(readInfo, readData2.get(), 0, 0, 0); |
| |
| // Check that the results are the same. |
| bool passing = true; |
| for (int y = 0; y < kRenderSize && passing; ++y) { |
| for (int x = 0; x < kRenderSize && passing; ++x) { |
| int idx = y * kRenderSize + x; |
| if (readData1[idx] != readData2[idx]) { |
| ERRORF(reporter, |
| "Processor %s made clone produced different output. " |
| "Input color: 0x%08x, Original Output Color: 0x%08x, " |
| "Clone Output Color: 0x%08x..", |
| name, input_texel_color(x, y), readData1[idx], readData2[idx]); |
| passing = false; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| #endif // GR_TEST_UTILS |
| #endif // SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| #endif // SK_SUPPORT_GPU |