| /* |
| * 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 "GrContext.h" |
| #include "GrGpuResource.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrResourceProvider.h" |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "ops/GrTestMeshDrawOp.h" |
| |
| namespace { |
| class TestOp : public GrTestMeshDrawOp { |
| public: |
| DEFINE_OP_CLASS_ID |
| const char* name() const override { return "TestOp"; } |
| |
| static std::unique_ptr<GrDrawOp> Make() { return std::unique_ptr<GrDrawOp>(new TestOp); } |
| |
| private: |
| TestOp() : INHERITED(ClassID(), SkRect::MakeWH(100, 100), 0xFFFFFFFF) {} |
| |
| void onPrepareDraws(Target* target) const override { return; } |
| |
| typedef GrTestMeshDrawOp 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<GrTexture> texture, GrIOType ioType) : fTexture(texture), fIOType(ioType) {} |
| sk_sp<GrTexture> fTexture; |
| GrIOType fIOType; |
| }; |
| static sk_sp<GrFragmentProcessor> Make(sk_sp<GrFragmentProcessor> child) { |
| return sk_sp<GrFragmentProcessor>(new TestFP(std::move(child))); |
| } |
| static sk_sp<GrFragmentProcessor> Make(const SkTArray<sk_sp<GrTexture>>& textures, |
| const SkTArray<sk_sp<GrBuffer>>& buffers, |
| const SkTArray<Image>& images) { |
| return sk_sp<GrFragmentProcessor>(new TestFP(textures, 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)); |
| } |
| |
| void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
| // We don't care about optimizing these processors. |
| inout->setToUnknown(); |
| } |
| |
| private: |
| TestFP(const SkTArray<sk_sp<GrTexture>>& textures, const SkTArray<sk_sp<GrBuffer>>& buffers, |
| const SkTArray<Image>& images) |
| : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) { |
| for (const auto& texture : textures) { |
| this->addTextureSampler(&fSamplers.emplace_back(texture.get())); |
| } |
| for (const auto& buffer : buffers) { |
| this->addBufferAccess(&fBuffers.emplace_back(kRGBA_8888_GrPixelConfig, buffer.get())); |
| } |
| for (const Image& image : images) { |
| this->addImageStorageAccess(&fImages.emplace_back( |
| image.fTexture, image.fIOType, GrSLMemoryModel::kNone, GrSLRestrict::kNo)); |
| } |
| } |
| |
| TestFP(sk_sp<GrFragmentProcessor> child) |
| : INHERITED(kNone_OptimizationFlags), fSamplers(4), fBuffers(4), fImages(4) { |
| this->registerChildProcessor(std::move(child)); |
| } |
| |
| 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; |
| } |
| |
| DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| |
| GrTextureDesc desc; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| desc.fWidth = 10; |
| desc.fHeight = 10; |
| |
| for (int parentCnt = 0; parentCnt < 2; parentCnt++) { |
| sk_sp<GrRenderTargetContext> renderTargetContext(context->makeRenderTargetContext( |
| SkBackingFit::kApprox, 1, 1, kRGBA_8888_GrPixelConfig, nullptr)); |
| { |
| bool texelBufferSupport = context->caps()->shaderCaps()->texelBufferSupport(); |
| bool imageLoadStoreSupport = context->caps()->shaderCaps()->imageLoadStoreSupport(); |
| sk_sp<GrTexture> texture1( |
| context->resourceProvider()->createTexture(desc, SkBudgeted::kYes)); |
| sk_sp<GrTexture> texture2( |
| context->resourceProvider()->createTexture(desc, SkBudgeted::kYes)); |
| sk_sp<GrTexture> texture3( |
| context->resourceProvider()->createTexture(desc, SkBudgeted::kYes)); |
| sk_sp<GrTexture> texture4( |
| context->resourceProvider()->createTexture(desc, SkBudgeted::kYes)); |
| sk_sp<GrBuffer> buffer(texelBufferSupport |
| ? context->resourceProvider()->createBuffer( |
| 1024, GrBufferType::kTexel_GrBufferType, |
| GrAccessPattern::kStatic_GrAccessPattern, 0) |
| : nullptr); |
| { |
| SkTArray<sk_sp<GrTexture>> textures; |
| SkTArray<sk_sp<GrBuffer>> buffers; |
| SkTArray<TestFP::Image> images; |
| textures.push_back(texture1); |
| if (texelBufferSupport) { |
| buffers.push_back(buffer); |
| } |
| if (imageLoadStoreSupport) { |
| images.emplace_back(texture2, GrIOType::kRead_GrIOType); |
| images.emplace_back(texture3, GrIOType::kWrite_GrIOType); |
| images.emplace_back(texture4, GrIOType::kRW_GrIOType); |
| } |
| std::unique_ptr<GrDrawOp> op(TestOp::Make()); |
| GrPaint paint; |
| auto fp = TestFP::Make(std::move(textures), std::move(buffers), std::move(images)); |
| for (int i = 0; i < parentCnt; ++i) { |
| fp = TestFP::Make(std::move(fp)); |
| } |
| paint.addColorFragmentProcessor(std::move(fp)); |
| renderTargetContext->priv().testingOnly_addDrawOp(std::move(paint), GrAAType::kNone, |
| std::move(op)); |
| } |
| int refCnt, readCnt, writeCnt; |
| |
| testingOnly_getIORefCnts(texture1.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 1 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 1 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| } |
| |
| if (imageLoadStoreSupport) { |
| testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 1 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 1 == writeCnt); |
| |
| testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 1 == readCnt); |
| REPORTER_ASSERT(reporter, 1 == writeCnt); |
| } |
| |
| context->flush(); |
| |
| testingOnly_getIORefCnts(texture1.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(buffer.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| } |
| |
| if (texelBufferSupport) { |
| testingOnly_getIORefCnts(texture2.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(texture3.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| |
| testingOnly_getIORefCnts(texture4.get(), &refCnt, &readCnt, &writeCnt); |
| REPORTER_ASSERT(reporter, 1 == refCnt); |
| REPORTER_ASSERT(reporter, 0 == readCnt); |
| REPORTER_ASSERT(reporter, 0 == writeCnt); |
| } |
| } |
| } |
| } |
| |
| // This test uses the random GrFragmentProcessor test factory, which relies on static initializers. |
| #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| |
| static GrColor texel_color(int i, int j) { |
| SkASSERT((unsigned)i < 256 && (unsigned)j < 256); |
| GrColor color = GrColorPackRGBA(j, (uint8_t)(i + j), (uint8_t)(2 * j - i), i); |
| return GrPremulColor(color); |
| } |
| |
| static GrColor4f texel_color4f(int i, int j) { return GrColor4f::FromGrColor(texel_color(i, j)); } |
| |
| #if GR_TEST_UTILS |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest, reporter, ctxInfo) { |
| // This tests code under development but not used in skia lib. Leaving this disabled until |
| // some platform-specific issues are addressed. |
| if (1) { |
| return; |
| } |
| GrContext* context = ctxInfo.grContext(); |
| using FPFactory = GrProcessorTestFactory<GrFragmentProcessor>; |
| SkRandom random; |
| sk_sp<GrRenderTargetContext> rtc = context->makeRenderTargetContext( |
| SkBackingFit::kExact, 256, 256, kRGBA_8888_GrPixelConfig, nullptr); |
| GrSurfaceDesc desc; |
| desc.fWidth = 256; |
| desc.fHeight = 256; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| sk_sp<GrTexture> tex0(context->textureProvider()->createTexture(desc, SkBudgeted::kYes)); |
| desc.fConfig = kAlpha_8_GrPixelConfig; |
| sk_sp<GrTexture> tex1(context->textureProvider()->createTexture(desc, SkBudgeted::kYes)); |
| GrTexture* textures[] = {tex0.get(), tex1.get()}; |
| GrProcessorTestData testData(&random, context, rtc.get(), textures); |
| |
| std::unique_ptr<GrColor> data(new GrColor[256 * 256]); |
| for (int y = 0; y < 256; ++y) { |
| for (int x = 0; x < 256; ++x) { |
| data.get()[256 * y + x] = texel_color(x, y); |
| } |
| } |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| sk_sp<GrTexture> dataTexture(context->textureProvider()->createTexture( |
| desc, SkBudgeted::kYes, data.get(), 256 * sizeof(GrColor))); |
| |
| // Because processors 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. |
| sk_sp<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->hasConstantOutputForConstantInput() && !fp->preservesOpaqueInput() && |
| !fp->modulatesInput()) { |
| continue; |
| } |
| GrPaint paint; |
| paint.addColorTextureProcessor(dataTexture.get(), nullptr, SkMatrix::I()); |
| paint.addColorFragmentProcessor(fp); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| rtc->drawRect(GrNoClip(), std::move(paint), GrAA::kNo, SkMatrix::I(), |
| SkRect::MakeWH(256.f, 256.f)); |
| memset(data.get(), 0x0, sizeof(GrColor) * 256 * 256); |
| rtc->readPixels( |
| SkImageInfo::Make(256, 256, kRGBA_8888_SkColorType, kPremul_SkAlphaType), |
| data.get(), 0, 0, 0); |
| bool passing = true; |
| if (0) { // Useful to see what FPs are being tested. |
| SkString children; |
| for (int c = 0; c < fp->numChildProcessors(); ++c) { |
| if (!c) { |
| children.append("("); |
| } |
| children.append(fp->childProcessor(c).name()); |
| children.append(c == fp->numChildProcessors() - 1 ? ")" : ", "); |
| } |
| SkDebugf("%s %s\n", fp->name(), children.c_str()); |
| } |
| for (int y = 0; y < 256 && passing; ++y) { |
| for (int x = 0; x < 256 && passing; ++x) { |
| GrColor input = texel_color(x, y); |
| GrColor output = data.get()[y * 256 + x]; |
| if (fp->modulatesInput()) { |
| // 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%0x8, Output: 0x%08x.", |
| fp->name(), input, output); |
| passing = false; |
| } |
| } |
| GrColor4f input4f = texel_color4f(x, y); |
| GrColor4f output4f = GrColor4f::FromGrColor(output); |
| GrColor4f expected4f; |
| if (fp->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 = 3 / 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.", |
| fp->name()); |
| passing = false; |
| } |
| } |
| if (GrColorIsOpaque(input) && fp->preservesOpaqueInput() && |
| !GrColorIsOpaque(output)) { |
| ERRORF(reporter, |
| "Processor %s claimed opaqueness is preserved but it is not. Input: " |
| "0x%0x8, Output: 0x%08x.", |
| fp->name(), input, output); |
| passing = false; |
| } |
| } |
| } |
| } |
| } |
| } |
| #endif // GR_TEST_UTILS |
| #endif // SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| #endif // SK_SUPPORT_GPU |