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257 lines
9.7 KiB
257 lines
9.7 KiB
/*
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* Copyright 2017 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 "include/core/SkTypes.h"
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#include "tests/Test.h"
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#include "include/gpu/GrDirectContext.h"
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#include "include/gpu/GrRecordingContext.h"
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#include "src/gpu/GrColor.h"
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#include "src/gpu/GrDirectContextPriv.h"
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#include "src/gpu/GrGeometryProcessor.h"
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#include "src/gpu/GrImageInfo.h"
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#include "src/gpu/GrMemoryPool.h"
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#include "src/gpu/GrOpFlushState.h"
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#include "src/gpu/GrOpsRenderPass.h"
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#include "src/gpu/GrProgramInfo.h"
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#include "src/gpu/GrRecordingContextPriv.h"
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#include "src/gpu/GrResourceProvider.h"
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#include "src/gpu/GrSurfaceDrawContext.h"
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#include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
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#include "src/gpu/glsl/GrGLSLGeometryProcessor.h"
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#include "src/gpu/glsl/GrGLSLVarying.h"
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#include "src/gpu/glsl/GrGLSLVertexGeoBuilder.h"
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/**
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* This is a GPU-backend specific test for dynamic pipeline state. It draws boxes using dynamic
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* scissor rectangles then reads back the result to verify a successful test.
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*/
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static constexpr int kScreenSize = 6;
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static constexpr int kNumMeshes = 4;
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static constexpr int kScreenSplitX = kScreenSize/2;
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static constexpr int kScreenSplitY = kScreenSize/2;
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static const SkIRect kDynamicScissors[kNumMeshes] = {
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SkIRect::MakeLTRB(0, 0, kScreenSplitX, kScreenSplitY),
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SkIRect::MakeLTRB(0, kScreenSplitY, kScreenSplitX, kScreenSize),
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SkIRect::MakeLTRB(kScreenSplitX, 0, kScreenSize, kScreenSplitY),
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SkIRect::MakeLTRB(kScreenSplitX, kScreenSplitY, kScreenSize, kScreenSize),
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};
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static const GrColor kMeshColors[kNumMeshes] {
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GrColorPackRGBA(255, 0, 0, 255),
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GrColorPackRGBA(0, 255, 0, 255),
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GrColorPackRGBA(0, 0, 255, 255),
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GrColorPackRGBA(0, 0, 0, 255)
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};
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struct Vertex {
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float fX;
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float fY;
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GrColor fColor;
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};
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class GrPipelineDynamicStateTestProcessor : public GrGeometryProcessor {
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public:
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static GrGeometryProcessor* Make(SkArenaAlloc* arena) {
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return arena->make([&](void* ptr) {
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return new (ptr) GrPipelineDynamicStateTestProcessor();
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});
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}
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const char* name() const override { return "GrPipelineDynamicStateTest Processor"; }
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void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const final {}
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GrGLSLGeometryProcessor* createGLSLInstance(const GrShaderCaps&) const final;
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const Attribute& inVertex() const { return kAttributes[0]; }
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const Attribute& inColor() const { return kAttributes[1]; }
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private:
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GrPipelineDynamicStateTestProcessor()
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: INHERITED(kGrPipelineDynamicStateTestProcessor_ClassID) {
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this->setVertexAttributes(kAttributes, SK_ARRAY_COUNT(kAttributes));
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}
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static constexpr Attribute kAttributes[] = {
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{"vertex", kFloat2_GrVertexAttribType, kHalf2_GrSLType},
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{"color", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType},
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};
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friend class GLSLPipelineDynamicStateTestProcessor;
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using INHERITED = GrGeometryProcessor;
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};
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constexpr GrGeometryProcessor::Attribute GrPipelineDynamicStateTestProcessor::kAttributes[];
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class GLSLPipelineDynamicStateTestProcessor : public GrGLSLGeometryProcessor {
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void setData(const GrGLSLProgramDataManager&,
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const GrShaderCaps&,
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const GrGeometryProcessor&) final {}
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void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) final {
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const GrPipelineDynamicStateTestProcessor& mp =
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args.fGeomProc.cast<GrPipelineDynamicStateTestProcessor>();
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GrGLSLVertexBuilder* v = args.fVertBuilder;
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GrGLSLFPFragmentBuilder* f = args.fFragBuilder;
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GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
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varyingHandler->emitAttributes(mp);
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f->codeAppendf("half4 %s;", args.fOutputColor);
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varyingHandler->addPassThroughAttribute(mp.inColor(), args.fOutputColor);
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v->codeAppendf("float2 vertex = %s;", mp.inVertex().name());
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gpArgs->fPositionVar.set(kFloat2_GrSLType, "vertex");
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f->codeAppendf("const half4 %s = half4(1);", args.fOutputCoverage);
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}
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};
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GrGLSLGeometryProcessor*
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GrPipelineDynamicStateTestProcessor::createGLSLInstance(const GrShaderCaps&) const {
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return new GLSLPipelineDynamicStateTestProcessor;
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}
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class GrPipelineDynamicStateTestOp : public GrDrawOp {
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public:
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DEFINE_OP_CLASS_ID
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static GrOp::Owner Make(GrRecordingContext* context,
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GrScissorTest scissorTest,
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sk_sp<const GrBuffer> vbuff) {
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return GrOp::Make<GrPipelineDynamicStateTestOp>(context, scissorTest, std::move(vbuff));
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}
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private:
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friend class GrOp;
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GrPipelineDynamicStateTestOp(GrScissorTest scissorTest, sk_sp<const GrBuffer> vbuff)
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: INHERITED(ClassID())
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, fScissorTest(scissorTest)
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, fVertexBuffer(std::move(vbuff)) {
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this->setBounds(SkRect::MakeIWH(kScreenSize, kScreenSize),
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HasAABloat::kNo, IsHairline::kNo);
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}
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const char* name() const override { return "GrPipelineDynamicStateTestOp"; }
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FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
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GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*, GrClampType) override {
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return GrProcessorSet::EmptySetAnalysis();
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}
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void onPrePrepare(GrRecordingContext*,
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const GrSurfaceProxyView& writeView,
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GrAppliedClip*,
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const GrXferProcessor::DstProxyView&,
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GrXferBarrierFlags renderPassXferBarriers,
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GrLoadOp colorLoadOp) override {}
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void onPrepare(GrOpFlushState*) override {}
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void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override {
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GrPipeline pipeline(fScissorTest, SkBlendMode::kSrc,
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flushState->drawOpArgs().writeView().swizzle());
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SkSTArray<kNumMeshes, GrSimpleMesh> meshes;
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for (int i = 0; i < kNumMeshes; ++i) {
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GrSimpleMesh& mesh = meshes.push_back();
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mesh.set(fVertexBuffer, 4, 4 * i);
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}
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auto geomProc = GrPipelineDynamicStateTestProcessor::Make(flushState->allocator());
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GrProgramInfo programInfo(flushState->writeView(),
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&pipeline,
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&GrUserStencilSettings::kUnused,
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geomProc,
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GrPrimitiveType::kTriangleStrip, 0,
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flushState->renderPassBarriers(),
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flushState->colorLoadOp());
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flushState->bindPipeline(programInfo, SkRect::MakeIWH(kScreenSize, kScreenSize));
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for (int i = 0; i < 4; ++i) {
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if (fScissorTest == GrScissorTest::kEnabled) {
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flushState->setScissorRect(kDynamicScissors[i]);
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}
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flushState->drawMesh(meshes[i]);
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}
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}
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GrScissorTest fScissorTest;
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const sk_sp<const GrBuffer> fVertexBuffer;
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using INHERITED = GrDrawOp;
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};
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrPipelineDynamicStateTest, reporter, ctxInfo) {
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auto dContext = ctxInfo.directContext();
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GrResourceProvider* rp = dContext->priv().resourceProvider();
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auto rtc = GrSurfaceDrawContext::Make(
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dContext, GrColorType::kRGBA_8888, nullptr, SkBackingFit::kExact,
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{kScreenSize, kScreenSize}, SkSurfaceProps());
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if (!rtc) {
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ERRORF(reporter, "could not create render target context.");
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return;
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}
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constexpr float d = (float) kScreenSize;
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Vertex vdata[kNumMeshes * 4] = {
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{0, 0, kMeshColors[0]},
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{0, d, kMeshColors[0]},
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{d, 0, kMeshColors[0]},
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{d, d, kMeshColors[0]},
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{0, 0, kMeshColors[1]},
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{0, d, kMeshColors[1]},
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{d, 0, kMeshColors[1]},
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{d, d, kMeshColors[1]},
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{0, 0, kMeshColors[2]},
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{0, d, kMeshColors[2]},
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{d, 0, kMeshColors[2]},
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{d, d, kMeshColors[2]},
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{0, 0, kMeshColors[3]},
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{0, d, kMeshColors[3]},
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{d, 0, kMeshColors[3]},
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{d, d, kMeshColors[3]}
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};
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sk_sp<const GrBuffer> vbuff(rp->createBuffer(sizeof(vdata), GrGpuBufferType::kVertex,
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kDynamic_GrAccessPattern, vdata));
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if (!vbuff) {
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ERRORF(reporter, "vbuff is null.");
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return;
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}
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uint32_t resultPx[kScreenSize * kScreenSize];
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for (GrScissorTest scissorTest : {GrScissorTest::kEnabled, GrScissorTest::kDisabled}) {
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rtc->clear(SkPMColor4f::FromBytes_RGBA(0xbaaaaaad));
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rtc->addDrawOp(GrPipelineDynamicStateTestOp::Make(dContext, scissorTest, vbuff));
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auto ii = SkImageInfo::Make(kScreenSize, kScreenSize,
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kRGBA_8888_SkColorType, kPremul_SkAlphaType);
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GrPixmap resultPM(ii, resultPx, kScreenSize*sizeof(uint32_t));
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rtc->readPixels(dContext, resultPM, {0, 0});
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for (int y = 0; y < kScreenSize; ++y) {
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for (int x = 0; x < kScreenSize; ++x) {
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int expectedColorIdx;
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if (GrScissorTest::kEnabled == scissorTest) {
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expectedColorIdx = (x < kScreenSplitX ? 0 : 2) + (y < kScreenSplitY ? 0 : 1);
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} else {
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expectedColorIdx = kNumMeshes - 1;
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}
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uint32_t expected = kMeshColors[expectedColorIdx];
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uint32_t actual = resultPx[y * kScreenSize + x];
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if (expected != actual) {
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ERRORF(reporter, "[scissor=%s] pixel (%i,%i): got 0x%x expected 0x%x",
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GrScissorTest::kEnabled == scissorTest ? "enabled" : "disabled", x, y,
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actual, expected);
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return;
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}
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}
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}
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}
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}
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