/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkTypes.h"
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#include "Test.h"
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#include "GrClip.h"
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#include "GrContext.h"
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#include "GrContextPriv.h"
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#include "GrGpuResource.h"
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#include "GrMemoryPool.h"
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#include "GrProxyProvider.h"
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#include "GrRenderTargetContext.h"
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#include "GrRenderTargetContextPriv.h"
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#include "GrResourceProvider.h"
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#include "glsl/GrGLSLFragmentProcessor.h"
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#include "glsl/GrGLSLFragmentShaderBuilder.h"
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#include "ops/GrFillRectOp.h"
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#include "ops/GrMeshDrawOp.h"
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#include "TestUtils.h"
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#include <atomic>
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#include <random>
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namespace {
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class TestOp : public GrMeshDrawOp {
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public:
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DEFINE_OP_CLASS_ID
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static std::unique_ptr<GrDrawOp> Make(GrContext* context,
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std::unique_ptr<GrFragmentProcessor> fp) {
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GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
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return pool->allocate<TestOp>(std::move(fp));
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}
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const char* name() const override { return "TestOp"; }
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void visitProxies(const VisitProxyFunc& func, VisitorType) const override {
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fProcessors.visitProxies(func);
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}
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FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
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GrProcessorSet::Analysis finalize(const GrCaps& caps, const GrAppliedClip* clip) override {
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static constexpr GrProcessorAnalysisColor kUnknownColor;
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SkPMColor4f overrideColor;
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return fProcessors.finalize(kUnknownColor, GrProcessorAnalysisCoverage::kNone, clip, false,
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caps, &overrideColor);
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}
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private:
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friend class ::GrOpMemoryPool; // for ctor
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TestOp(std::unique_ptr<GrFragmentProcessor> fp)
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: INHERITED(ClassID()), fProcessors(std::move(fp)) {
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this->setBounds(SkRect::MakeWH(100, 100), HasAABloat::kNo, IsZeroArea::kNo);
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}
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void onPrepareDraws(Target* target) override { return; }
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GrProcessorSet fProcessors;
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typedef GrMeshDrawOp INHERITED;
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};
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/**
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* FP used to test ref/IO counts on owned GrGpuResources. Can also be a parent FP to test counts
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* of resources owned by child FPs.
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*/
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class TestFP : public GrFragmentProcessor {
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public:
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static std::unique_ptr<GrFragmentProcessor> Make(std::unique_ptr<GrFragmentProcessor> child) {
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return std::unique_ptr<GrFragmentProcessor>(new TestFP(std::move(child)));
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}
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static std::unique_ptr<GrFragmentProcessor> Make(const SkTArray<sk_sp<GrTextureProxy>>& proxies,
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const SkTArray<sk_sp<GrBuffer>>& buffers) {
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return std::unique_ptr<GrFragmentProcessor>(new TestFP(proxies, buffers));
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}
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const char* name() const override { return "test"; }
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void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override {
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static std::atomic<int32_t> nextKey{0};
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b->add32(nextKey++);
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}
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std::unique_ptr<GrFragmentProcessor> clone() const override {
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return std::unique_ptr<GrFragmentProcessor>(new TestFP(*this));
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}
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private:
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TestFP(const SkTArray<sk_sp<GrTextureProxy>>& proxies, const SkTArray<sk_sp<GrBuffer>>& buffers)
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: INHERITED(kTestFP_ClassID, kNone_OptimizationFlags), fSamplers(4) {
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for (const auto& proxy : proxies) {
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fSamplers.emplace_back(proxy);
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}
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this->setTextureSamplerCnt(fSamplers.count());
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}
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TestFP(std::unique_ptr<GrFragmentProcessor> child)
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: INHERITED(kTestFP_ClassID, kNone_OptimizationFlags), fSamplers(4) {
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this->registerChildProcessor(std::move(child));
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}
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explicit TestFP(const TestFP& that)
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: INHERITED(kTestFP_ClassID, that.optimizationFlags()), fSamplers(4) {
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for (int i = 0; i < that.fSamplers.count(); ++i) {
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fSamplers.emplace_back(that.fSamplers[i]);
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}
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for (int i = 0; i < that.numChildProcessors(); ++i) {
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this->registerChildProcessor(that.childProcessor(i).clone());
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}
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this->setTextureSamplerCnt(fSamplers.count());
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}
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virtual GrGLSLFragmentProcessor* onCreateGLSLInstance() const override {
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class TestGLSLFP : public GrGLSLFragmentProcessor {
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public:
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TestGLSLFP() {}
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void emitCode(EmitArgs& args) override {
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GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
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fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, args.fInputColor);
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}
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private:
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};
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return new TestGLSLFP();
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}
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bool onIsEqual(const GrFragmentProcessor&) const override { return false; }
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const TextureSampler& onTextureSampler(int i) const override { return fSamplers[i]; }
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GrTAllocator<TextureSampler> fSamplers;
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typedef GrFragmentProcessor INHERITED;
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};
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}
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template <typename T>
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inline void testingOnly_getIORefCnts(const T* resource, int* refCnt, int* readCnt, int* writeCnt) {
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*refCnt = resource->fRefCnt;
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*readCnt = resource->fPendingReads;
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*writeCnt = resource->fPendingWrites;
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}
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void testingOnly_getIORefCnts(GrTextureProxy* proxy, int* refCnt, int* readCnt, int* writeCnt) {
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*refCnt = proxy->getBackingRefCnt_TestOnly();
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*readCnt = proxy->getPendingReadCnt_TestOnly();
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*writeCnt = proxy->getPendingWriteCnt_TestOnly();
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}
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DEF_GPUTEST_FOR_ALL_CONTEXTS(ProcessorRefTest, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
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GrSurfaceDesc desc;
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desc.fWidth = 10;
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desc.fHeight = 10;
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desc.fConfig = kRGBA_8888_GrPixelConfig;
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const GrBackendFormat format =
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context->contextPriv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
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for (bool makeClone : {false, true}) {
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for (int parentCnt = 0; parentCnt < 2; parentCnt++) {
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sk_sp<GrRenderTargetContext> renderTargetContext(
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context->contextPriv().makeDeferredRenderTargetContext(
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format, SkBackingFit::kApprox, 1, 1,
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kRGBA_8888_GrPixelConfig, nullptr));
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{
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sk_sp<GrTextureProxy> proxy1 = proxyProvider->createProxy(
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format, desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kExact,
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SkBudgeted::kYes);
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sk_sp<GrTextureProxy> proxy2 = proxyProvider->createProxy(
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format, desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kExact,
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SkBudgeted::kYes);
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sk_sp<GrTextureProxy> proxy3 = proxyProvider->createProxy(
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format, desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kExact,
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SkBudgeted::kYes);
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sk_sp<GrTextureProxy> proxy4 = proxyProvider->createProxy(
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format, desc, kTopLeft_GrSurfaceOrigin, SkBackingFit::kExact,
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SkBudgeted::kYes);
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{
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SkTArray<sk_sp<GrTextureProxy>> proxies;
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SkTArray<sk_sp<GrBuffer>> buffers;
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proxies.push_back(proxy1);
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auto fp = TestFP::Make(std::move(proxies), std::move(buffers));
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for (int i = 0; i < parentCnt; ++i) {
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fp = TestFP::Make(std::move(fp));
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}
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std::unique_ptr<GrFragmentProcessor> clone;
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if (makeClone) {
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clone = fp->clone();
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}
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std::unique_ptr<GrDrawOp> op(TestOp::Make(context, std::move(fp)));
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renderTargetContext->priv().testingOnly_addDrawOp(std::move(op));
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if (clone) {
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op = TestOp::Make(context, std::move(clone));
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renderTargetContext->priv().testingOnly_addDrawOp(std::move(op));
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}
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}
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int refCnt, readCnt, writeCnt;
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testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt);
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// IO counts should be double if there is a clone of the FP.
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int ioRefMul = makeClone ? 2 : 1;
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REPORTER_ASSERT(reporter, -1 == refCnt);
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REPORTER_ASSERT(reporter, ioRefMul * 1 == readCnt);
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REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt);
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context->flush();
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testingOnly_getIORefCnts(proxy1.get(), &refCnt, &readCnt, &writeCnt);
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REPORTER_ASSERT(reporter, 1 == refCnt);
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REPORTER_ASSERT(reporter, ioRefMul * 0 == readCnt);
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REPORTER_ASSERT(reporter, ioRefMul * 0 == writeCnt);
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}
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}
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}
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}
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// This test uses the random GrFragmentProcessor test factory, which relies on static initializers.
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#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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#include "SkCommandLineFlags.h"
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DEFINE_bool(randomProcessorTest, false, "Use non-deterministic seed for random processor tests?");
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DEFINE_uint32(processorSeed, 0, "Use specific seed for processor tests. Overridden by " \
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"--randomProcessorTest.");
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#if GR_TEST_UTILS
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static GrColor input_texel_color(int i, int j, SkScalar delta) {
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// Delta must be less than 0.5 to prevent over/underflow issues with the input color
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SkASSERT(delta <= 0.5);
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SkColor color = SkColorSetARGB((uint8_t)i, (uint8_t)j, (uint8_t)(i + j), (uint8_t)(2 * j - i));
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SkColor4f color4f = SkColor4f::FromColor(color);
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for (int i = 0; i < 4; i++) {
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if (color4f[i] > 0.5) {
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color4f[i] -= delta;
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} else {
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color4f[i] += delta;
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}
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}
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return color4f.premul().toBytes_RGBA();
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}
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void test_draw_op(GrContext* context,
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GrRenderTargetContext* rtc,
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std::unique_ptr<GrFragmentProcessor> fp,
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sk_sp<GrTextureProxy> inputDataProxy) {
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GrPaint paint;
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paint.addColorTextureProcessor(std::move(inputDataProxy), SkMatrix::I());
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paint.addColorFragmentProcessor(std::move(fp));
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paint.setPorterDuffXPFactory(SkBlendMode::kSrc);
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auto op = GrFillRectOp::Make(context, std::move(paint), GrAAType::kNone, SkMatrix::I(),
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SkRect::MakeWH(rtc->width(), rtc->height()));
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rtc->addDrawOp(GrNoClip(), std::move(op));
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}
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// This assumes that the output buffer will be the same size as inputDataProxy
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void render_fp(GrContext* context, GrRenderTargetContext* rtc, GrFragmentProcessor* fp,
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sk_sp<GrTextureProxy> inputDataProxy, GrColor* buffer) {
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int width = inputDataProxy->width();
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int height = inputDataProxy->height();
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// test_draw_op needs to take ownership of an FP, so give it a clone that it can own
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test_draw_op(context, rtc, fp->clone(), inputDataProxy);
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memset(buffer, 0x0, sizeof(GrColor) * width * height);
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rtc->readPixels(SkImageInfo::Make(width, height, kRGBA_8888_SkColorType,
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kPremul_SkAlphaType),
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buffer, 0, 0, 0);
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}
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/** Initializes the two test texture proxies that are available to the FP test factories. */
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bool init_test_textures(GrProxyProvider* proxyProvider, SkRandom* random,
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sk_sp<GrTextureProxy> proxies[2]) {
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static const int kTestTextureSize = 256;
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{
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// Put premul data into the RGBA texture that the test FPs can optionally use.
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std::unique_ptr<GrColor[]> rgbaData(new GrColor[kTestTextureSize * kTestTextureSize]);
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for (int y = 0; y < kTestTextureSize; ++y) {
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for (int x = 0; x < kTestTextureSize; ++x) {
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rgbaData[kTestTextureSize * y + x] = input_texel_color(
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random->nextULessThan(256), random->nextULessThan(256), 0.0f);
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}
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}
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SkImageInfo ii = SkImageInfo::Make(kTestTextureSize, kTestTextureSize,
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kRGBA_8888_SkColorType, kPremul_SkAlphaType);
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SkPixmap pixmap(ii, rgbaData.get(), ii.minRowBytes());
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sk_sp<SkImage> img = SkImage::MakeRasterCopy(pixmap);
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proxies[0] = proxyProvider->createTextureProxy(img, kNone_GrSurfaceFlags, 1,
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SkBudgeted::kYes, SkBackingFit::kExact);
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}
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{
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// Put random values into the alpha texture that the test FPs can optionally use.
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std::unique_ptr<uint8_t[]> alphaData(new uint8_t[kTestTextureSize * kTestTextureSize]);
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for (int y = 0; y < kTestTextureSize; ++y) {
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for (int x = 0; x < kTestTextureSize; ++x) {
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alphaData[kTestTextureSize * y + x] = random->nextULessThan(256);
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}
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}
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SkImageInfo ii = SkImageInfo::Make(kTestTextureSize, kTestTextureSize,
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kAlpha_8_SkColorType, kPremul_SkAlphaType);
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SkPixmap pixmap(ii, alphaData.get(), ii.minRowBytes());
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sk_sp<SkImage> img = SkImage::MakeRasterCopy(pixmap);
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proxies[1] = proxyProvider->createTextureProxy(img, kNone_GrSurfaceFlags, 1,
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SkBudgeted::kYes, SkBackingFit::kExact);
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}
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return proxies[0] && proxies[1];
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}
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// Creates a texture of premul colors used as the output of the fragment processor that precedes
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// the fragment processor under test. Color values are those provided by input_texel_color().
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sk_sp<GrTextureProxy> make_input_texture(GrProxyProvider* proxyProvider, int width, int height,
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SkScalar delta) {
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std::unique_ptr<GrColor[]> data(new GrColor[width * height]);
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for (int y = 0; y < width; ++y) {
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for (int x = 0; x < height; ++x) {
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data.get()[width * y + x] = input_texel_color(x, y, delta);
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}
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}
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SkImageInfo ii = SkImageInfo::Make(width, height, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
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SkPixmap pixmap(ii, data.get(), ii.minRowBytes());
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sk_sp<SkImage> img = SkImage::MakeRasterCopy(pixmap);
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return proxyProvider->createTextureProxy(img, kNone_GrSurfaceFlags, 1,
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SkBudgeted::kYes, SkBackingFit::kExact);
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}
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bool log_surface_context(sk_sp<GrSurfaceContext> src, SkString* dst) {
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SkImageInfo ii = SkImageInfo::Make(src->width(), src->height(), kRGBA_8888_SkColorType,
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kPremul_SkAlphaType);
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SkBitmap bm;
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SkAssertResult(bm.tryAllocPixels(ii));
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SkAssertResult(src->readPixels(ii, bm.getPixels(), bm.rowBytes(), 0, 0));
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return bitmap_to_base64_data_uri(bm, dst);
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}
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bool log_surface_proxy(GrContext* context, sk_sp<GrSurfaceProxy> src, SkString* dst) {
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sk_sp<GrSurfaceContext> sContext(context->contextPriv().makeWrappedSurfaceContext(src));
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return log_surface_context(sContext, dst);
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}
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bool fuzzy_color_equals(const SkPMColor4f& c1, const SkPMColor4f& c2) {
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// With the loss of precision of rendering into 32-bit color, then estimating the FP's output
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// from that, it is not uncommon for a valid output to differ from estimate by up to 0.01
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// (really 1/128 ~ .0078, but frequently floating point issues make that tolerance a little
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// too unforgiving).
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static constexpr SkScalar kTolerance = 0.01f;
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for (int i = 0; i < 4; i++) {
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if (!SkScalarNearlyEqual(c1[i], c2[i], kTolerance)) {
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return false;
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}
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}
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return true;
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}
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int modulation_index(int channelIndex, bool alphaModulation) {
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return alphaModulation ? 3 : channelIndex;
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}
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// Given three input colors (color preceding the FP being tested), and the output of the FP, this
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// ensures that the out1 = fp * in1.a, out2 = fp * in2.a, and out3 = fp * in3.a, where fp is the
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// pre-modulated color that should not be changing across frames (FP's state doesn't change).
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//
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// When alphaModulation is false, this tests the very similar conditions that out1 = fp * in1,
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// etc. using per-channel modulation instead of modulation by just the input alpha channel.
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// - This estimates the pre-modulated fp color from one of the input/output pairs and confirms the
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// conditions hold for the other two pairs.
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bool legal_modulation(const GrColor& in1, const GrColor& in2, const GrColor& in3,
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const GrColor& out1, const GrColor& out2, const GrColor& out3,
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bool alphaModulation) {
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// Convert to floating point, which is the number space the FP operates in (more or less)
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SkPMColor4f in1f = SkPMColor4f::FromBytes_RGBA(in1);
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SkPMColor4f in2f = SkPMColor4f::FromBytes_RGBA(in2);
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SkPMColor4f in3f = SkPMColor4f::FromBytes_RGBA(in3);
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SkPMColor4f out1f = SkPMColor4f::FromBytes_RGBA(out1);
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SkPMColor4f out2f = SkPMColor4f::FromBytes_RGBA(out2);
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SkPMColor4f out3f = SkPMColor4f::FromBytes_RGBA(out3);
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// Reconstruct the output of the FP before the shader modulated its color with the input value.
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// When the original input is very small, it may cause the final output color to round
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// to 0, in which case we estimate the pre-modulated color using one of the stepped frames that
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// will then have a guaranteed larger channel value (since the offset will be added to it).
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SkPMColor4f fpPreModulation;
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for (int i = 0; i < 4; i++) {
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int modulationIndex = modulation_index(i, alphaModulation);
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if (in1f[modulationIndex] < 0.2f) {
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// Use the stepped frame
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fpPreModulation[i] = out2f[i] / in2f[modulationIndex];
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} else {
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fpPreModulation[i] = out1f[i] / in1f[modulationIndex];
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}
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}
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// With reconstructed pre-modulated FP output, derive the expected value of fp * input for each
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// of the transformed input colors.
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SkPMColor4f expected1 = alphaModulation ? (fpPreModulation * in1f.fA)
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: (fpPreModulation * in1f);
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SkPMColor4f expected2 = alphaModulation ? (fpPreModulation * in2f.fA)
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: (fpPreModulation * in2f);
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SkPMColor4f expected3 = alphaModulation ? (fpPreModulation * in3f.fA)
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: (fpPreModulation * in3f);
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return fuzzy_color_equals(out1f, expected1) &&
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fuzzy_color_equals(out2f, expected2) &&
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fuzzy_color_equals(out3f, expected3);
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}
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ProcessorOptimizationValidationTest, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
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auto resourceProvider = context->contextPriv().resourceProvider();
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using FPFactory = GrFragmentProcessorTestFactory;
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uint32_t seed = FLAGS_processorSeed;
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if (FLAGS_randomProcessorTest) {
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std::random_device rd;
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seed = rd();
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}
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// If a non-deterministic bot fails this test, check the output to see what seed it used, then
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// use --processorSeed <seed> (without --randomProcessorTest) to reproduce.
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SkRandom random(seed);
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const GrBackendFormat format =
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context->contextPriv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
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// Make the destination context for the test.
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static constexpr int kRenderSize = 256;
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sk_sp<GrRenderTargetContext> rtc = context->contextPriv().makeDeferredRenderTargetContext(
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format, SkBackingFit::kExact, kRenderSize, kRenderSize, kRGBA_8888_GrPixelConfig,
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nullptr);
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sk_sp<GrTextureProxy> proxies[2];
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if (!init_test_textures(proxyProvider, &random, proxies)) {
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ERRORF(reporter, "Could not create test textures");
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return;
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}
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GrProcessorTestData testData(&random, context, rtc.get(), proxies);
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// Coverage optimization uses three frames with a linearly transformed input texture. The first
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// frame has no offset, second frames add .2 and .4, which should then be present as a fixed
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// difference between the frame outputs if the FP is properly following the modulation
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// requirements of the coverage optimization.
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static constexpr SkScalar kInputDelta = 0.2f;
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auto inputTexture1 = make_input_texture(proxyProvider, kRenderSize, kRenderSize, 0.0f);
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auto inputTexture2 = make_input_texture(proxyProvider, kRenderSize, kRenderSize, kInputDelta);
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auto inputTexture3 = make_input_texture(proxyProvider, kRenderSize, kRenderSize, 2*kInputDelta);
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// Encoded images are very verbose and this tests many potential images, so only export the
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// first failure (subsequent failures have a reasonable chance of being related).
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bool loggedFirstFailure = false;
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bool loggedFirstWarning = false;
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// Storage for the three frames required for coverage compatibility optimization. Each frame
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// uses the correspondingly numbered inputTextureX.
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std::unique_ptr<GrColor[]> readData1(new GrColor[kRenderSize * kRenderSize]);
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std::unique_ptr<GrColor[]> readData2(new GrColor[kRenderSize * kRenderSize]);
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std::unique_ptr<GrColor[]> readData3(new GrColor[kRenderSize * kRenderSize]);
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// Because processor factories configure themselves in random ways, this is not exhaustive.
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for (int i = 0; i < FPFactory::Count(); ++i) {
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int timesToInvokeFactory = 5;
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// Increase the number of attempts if the FP has child FPs since optimizations likely depend
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// on child optimizations being present.
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std::unique_ptr<GrFragmentProcessor> fp = FPFactory::MakeIdx(i, &testData);
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for (int j = 0; j < fp->numChildProcessors(); ++j) {
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// This value made a reasonable trade off between time and coverage when this test was
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// written.
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timesToInvokeFactory *= FPFactory::Count() / 2;
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}
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for (int j = 0; j < timesToInvokeFactory; ++j) {
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fp = FPFactory::MakeIdx(i, &testData);
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if (!fp->instantiate(resourceProvider)) {
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continue;
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}
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if (!fp->hasConstantOutputForConstantInput() && !fp->preservesOpaqueInput() &&
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!fp->compatibleWithCoverageAsAlpha()) {
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continue;
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}
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if (fp->compatibleWithCoverageAsAlpha()) {
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// 2nd and 3rd frames are only used when checking coverage optimization
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render_fp(context, rtc.get(), fp.get(), inputTexture2, readData2.get());
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render_fp(context, rtc.get(), fp.get(), inputTexture3, readData3.get());
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}
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// Draw base frame last so that rtc holds the original FP behavior if we need to
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// dump the image to the log.
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render_fp(context, rtc.get(), fp.get(), inputTexture1, readData1.get());
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if (0) { // Useful to see what FPs are being tested.
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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());
|
}
|
|
// This test has a history of being flaky on a number of devices. If an FP is logically
|
// violating the optimizations, it's reasonable to expect it to violate requirements on
|
// a large number of pixels in the image. Sporadic pixel violations are more indicative
|
// of device errors and represents a separate problem.
|
#if defined(SK_BUILD_FOR_SKQP)
|
static constexpr int kMaxAcceptableFailedPixels = 0; // Strict when running as SKQP
|
#else
|
static constexpr int kMaxAcceptableFailedPixels = 2 * kRenderSize; // ~0.7% of the image
|
#endif
|
|
int failedPixelCount = 0;
|
// Collect first optimization failure message, to be output later as a warning or an
|
// error depending on whether the rendering "passed" or failed.
|
SkString coverageMessage;
|
SkString opaqueMessage;
|
SkString constMessage;
|
for (int y = 0; y < kRenderSize; ++y) {
|
for (int x = 0; x < kRenderSize; ++x) {
|
bool passing = true;
|
GrColor input = input_texel_color(x, y, 0.0f);
|
GrColor output = readData1.get()[y * kRenderSize + x];
|
|
if (fp->compatibleWithCoverageAsAlpha()) {
|
GrColor i2 = input_texel_color(x, y, kInputDelta);
|
GrColor i3 = input_texel_color(x, y, 2 * kInputDelta);
|
|
GrColor o2 = readData2.get()[y * kRenderSize + x];
|
GrColor o3 = readData3.get()[y * kRenderSize + x];
|
|
// A compatible processor is allowed to modulate either the input color or
|
// just the input alpha.
|
bool legalAlphaModulation = legal_modulation(input, i2, i3, output, o2, o3,
|
/* alpha */ true);
|
bool legalColorModulation = legal_modulation(input, i2, i3, output, o2, o3,
|
/* alpha */ false);
|
|
if (!legalColorModulation && !legalAlphaModulation) {
|
passing = false;
|
|
if (coverageMessage.isEmpty()) {
|
coverageMessage.printf("\"Modulating\" processor %s did not match "
|
"alpha-modulation nor color-modulation rules. "
|
"Input: 0x%08x, Output: 0x%08x, pixel (%d, %d).",
|
fp->name(), input, output, x, y);
|
}
|
}
|
}
|
|
SkPMColor4f input4f = SkPMColor4f::FromBytes_RGBA(input);
|
SkPMColor4f output4f = SkPMColor4f::FromBytes_RGBA(output);
|
SkPMColor4f expected4f;
|
if (fp->hasConstantOutputForConstantInput(input4f, &expected4f)) {
|
float rDiff = fabsf(output4f.fR - expected4f.fR);
|
float gDiff = fabsf(output4f.fG - expected4f.fG);
|
float bDiff = fabsf(output4f.fB - expected4f.fB);
|
float aDiff = fabsf(output4f.fA - expected4f.fA);
|
static constexpr float kTol = 4 / 255.f;
|
if (rDiff > kTol || gDiff > kTol || bDiff > kTol || aDiff > kTol) {
|
if (constMessage.isEmpty()) {
|
passing = false;
|
|
constMessage.printf("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.fR, input4f.fG, input4f.fB, input4f.fA,
|
output4f.fR, output4f.fG, output4f.fB, output4f.fA,
|
expected4f.fR, expected4f.fG, expected4f.fB, expected4f.fA);
|
}
|
}
|
}
|
if (input4f.isOpaque() && fp->preservesOpaqueInput() && !output4f.isOpaque()) {
|
passing = false;
|
|
if (opaqueMessage.isEmpty()) {
|
opaqueMessage.printf("Processor %s claimed opaqueness is preserved but "
|
"it is not. Input: 0x%08x, Output: 0x%08x.",
|
fp->name(), input, output);
|
}
|
}
|
|
if (!passing) {
|
// Regardless of how many optimizations the pixel violates, count it as a
|
// single bad pixel.
|
failedPixelCount++;
|
}
|
}
|
}
|
|
// Finished analyzing the entire image, see if the number of pixel failures meets the
|
// threshold for an FP violating the optimization requirements.
|
if (failedPixelCount > kMaxAcceptableFailedPixels) {
|
ERRORF(reporter, "Processor violated %d of %d pixels, seed: 0x%08x, processor: %s"
|
", first failing pixel details are below:",
|
failedPixelCount, kRenderSize * kRenderSize, seed,
|
fp->dumpInfo().c_str());
|
|
// Print first failing pixel's details.
|
if (!coverageMessage.isEmpty()) {
|
ERRORF(reporter, coverageMessage.c_str());
|
}
|
if (!constMessage.isEmpty()) {
|
ERRORF(reporter, constMessage.c_str());
|
}
|
if (!opaqueMessage.isEmpty()) {
|
ERRORF(reporter, opaqueMessage.c_str());
|
}
|
|
if (!loggedFirstFailure) {
|
// Print with ERRORF to make sure the encoded image is output
|
SkString input;
|
log_surface_proxy(context, inputTexture1, &input);
|
SkString output;
|
log_surface_context(rtc, &output);
|
ERRORF(reporter, "Input image: %s\n\n"
|
"===========================================================\n\n"
|
"Output image: %s\n", input.c_str(), output.c_str());
|
loggedFirstFailure = true;
|
}
|
} else if(failedPixelCount > 0) {
|
// Don't trigger an error, but don't just hide the failures either.
|
INFOF(reporter, "Processor violated %d of %d pixels (below error threshold), seed: "
|
"0x%08x, processor: %s", failedPixelCount, kRenderSize * kRenderSize,
|
seed, fp->dumpInfo().c_str());
|
if (!coverageMessage.isEmpty()) {
|
INFOF(reporter, coverageMessage.c_str());
|
}
|
if (!constMessage.isEmpty()) {
|
INFOF(reporter, constMessage.c_str());
|
}
|
if (!opaqueMessage.isEmpty()) {
|
INFOF(reporter, opaqueMessage.c_str());
|
}
|
if (!loggedFirstWarning) {
|
SkString input;
|
log_surface_proxy(context, inputTexture1, &input);
|
SkString output;
|
log_surface_context(rtc, &output);
|
INFOF(reporter, "Input image: %s\n\n"
|
"===========================================================\n\n"
|
"Output image: %s\n", input.c_str(), output.c_str());
|
loggedFirstWarning = true;
|
}
|
}
|
}
|
}
|
}
|
|
// 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();
|
GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
|
auto resourceProvider = context->contextPriv().resourceProvider();
|
|
SkRandom random;
|
|
const GrBackendFormat format =
|
context->contextPriv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
|
|
// Make the destination context for the test.
|
static constexpr int kRenderSize = 1024;
|
sk_sp<GrRenderTargetContext> rtc = context->contextPriv().makeDeferredRenderTargetContext(
|
format, SkBackingFit::kExact, kRenderSize, kRenderSize, kRGBA_8888_GrPixelConfig,
|
nullptr);
|
|
sk_sp<GrTextureProxy> proxies[2];
|
if (!init_test_textures(proxyProvider, &random, proxies)) {
|
ERRORF(reporter, "Could not create test textures");
|
return;
|
}
|
GrProcessorTestData testData(&random, context, rtc.get(), proxies);
|
|
auto inputTexture = make_input_texture(proxyProvider, kRenderSize, kRenderSize, 0.0f);
|
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(resourceProvider) || !clone->instantiate(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.
|
render_fp(context, rtc.get(), fp.get(), inputTexture, readData1.get());
|
|
// Draw with clone and read back the results.
|
render_fp(context, rtc.get(), clone.get(), inputTexture, readData2.get());
|
|
// 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, 0.0f), readData1[idx], readData2[idx]);
|
passing = false;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
#endif // GR_TEST_UTILS
|
#endif // SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
|
