2017-06-06 18:27:16 +00:00
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/*
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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 "SkTypes.h"
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#include "Test.h"
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#include "GrContext.h"
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#include "GrColor.h"
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#include "GrGeometryProcessor.h"
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2017-06-15 18:01:04 +00:00
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#include "GrGpuCommandBuffer.h"
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2018-06-12 14:11:12 +00:00
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#include "GrMemoryPool.h"
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2017-06-06 18:27:16 +00:00
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#include "GrOpFlushState.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 "SkMakeUnique.h"
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#include "glsl/GrGLSLVertexGeoBuilder.h"
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#include "glsl/GrGLSLFragmentShaderBuilder.h"
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#include "glsl/GrGLSLGeometryProcessor.h"
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#include "glsl/GrGLSLVarying.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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2018-06-26 13:12:38 +00:00
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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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GrPipelineDynamicStateTestProcessor()
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: INHERITED(kGrPipelineDynamicStateTestProcessor_ClassID) {
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this->setVertexAttributeCnt(2);
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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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GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const final;
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2018-06-19 18:33:47 +00:00
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private:
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const Attribute& onVertexAttribute(int i) const override {
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return IthAttribute(i, kVertex, kColor);
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}
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2018-09-14 20:16:55 +00:00
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static constexpr Attribute kVertex =
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{"vertex", kFloat2_GrVertexAttribType, kHalf2_GrSLType};
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static constexpr Attribute kColor =
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{"color", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType};
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friend class GLSLPipelineDynamicStateTestProcessor;
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typedef GrGeometryProcessor INHERITED;
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};
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constexpr GrPrimitiveProcessor::Attribute GrPipelineDynamicStateTestProcessor::kVertex;
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constexpr GrPrimitiveProcessor::Attribute GrPipelineDynamicStateTestProcessor::kColor;
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class GLSLPipelineDynamicStateTestProcessor : public GrGLSLGeometryProcessor {
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void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor&,
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FPCoordTransformIter&& transformIter) final {}
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void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) final {
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const GrPipelineDynamicStateTestProcessor& mp =
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args.fGP.cast<GrPipelineDynamicStateTestProcessor>();
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GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler;
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varyingHandler->emitAttributes(mp);
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varyingHandler->addPassThroughAttribute(mp.kColor, args.fOutputColor);
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GrGLSLVertexBuilder* v = args.fVertBuilder;
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v->codeAppendf("float2 vertex = %s;", mp.kVertex.name());
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gpArgs->fPositionVar.set(kFloat2_GrSLType, "vertex");
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2018-02-14 20:38:14 +00:00
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GrGLSLFPFragmentBuilder* f = args.fFragBuilder;
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f->codeAppendf("%s = half4(1);", args.fOutputCoverage);
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}
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};
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GrGLSLPrimitiveProcessor*
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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 std::unique_ptr<GrDrawOp> Make(GrContext* context,
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GrScissorTest scissorTest,
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sk_sp<const GrBuffer> vbuff) {
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GrOpMemoryPool* pool = context->contextPriv().opMemoryPool();
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2018-08-15 06:53:25 +00:00
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return pool->allocate<GrPipelineDynamicStateTestOp>(scissorTest, std::move(vbuff));
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}
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private:
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friend class GrOpMemoryPool;
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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, IsZeroArea::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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RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*) override {
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return RequiresDstTexture::kNo;
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}
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void onPrepare(GrOpFlushState*) override {}
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void onExecute(GrOpFlushState* state) override {
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GrRenderTargetProxy* proxy = state->drawOpArgs().fProxy;
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GrPipeline pipeline(proxy, fScissorTest, SkBlendMode::kSrc);
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SkSTArray<kNumMeshes, GrMesh> meshes;
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for (int i = 0; i < kNumMeshes; ++i) {
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GrMesh& mesh = meshes.emplace_back(GrPrimitiveType::kTriangleStrip);
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mesh.setNonIndexedNonInstanced(4);
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mesh.setVertexData(fVertexBuffer.get(), 4 * i);
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}
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GrPipeline::DynamicStateArrays dynamicState;
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dynamicState.fScissorRects = kDynamicScissors;
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state->rtCommandBuffer()->draw(GrPipelineDynamicStateTestProcessor(), pipeline, nullptr,
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&dynamicState, meshes.begin(), 4,
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SkRect::MakeIWH(kScreenSize, kScreenSize));
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}
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GrScissorTest fScissorTest;
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const sk_sp<const GrBuffer> fVertexBuffer;
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typedef GrDrawOp INHERITED;
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};
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrPipelineDynamicStateTest, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrResourceProvider* rp = context->contextPriv().resourceProvider();
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2018-03-06 13:20:37 +00:00
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sk_sp<GrRenderTargetContext> rtc(context->contextPriv().makeDeferredRenderTargetContext(
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SkBackingFit::kExact, kScreenSize, kScreenSize,
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kRGBA_8888_GrPixelConfig, nullptr));
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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), kVertex_GrBufferType,
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kDynamic_GrAccessPattern,
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2018-09-27 15:28:03 +00:00
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GrResourceProvider::Flags::kNoPendingIO |
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GrResourceProvider::Flags::kRequireGpuMemory,
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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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2018-08-15 06:53:25 +00:00
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for (GrScissorTest scissorTest : {GrScissorTest::kEnabled, GrScissorTest::kDisabled}) {
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rtc->clear(nullptr, 0xbaaaaaad, GrRenderTargetContext::CanClearFullscreen::kYes);
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rtc->priv().testingOnly_addDrawOp(
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GrPipelineDynamicStateTestOp::Make(context, scissorTest, vbuff));
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rtc->readPixels(SkImageInfo::Make(kScreenSize, kScreenSize,
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kRGBA_8888_SkColorType, kPremul_SkAlphaType),
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resultPx, 4 * kScreenSize, 0, 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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