| /* |
| * Copyright 2017 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" |
| |
| #include "GrColor.h" |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrGeometryProcessor.h" |
| #include "GrGpuCommandBuffer.h" |
| #include "GrMemoryPool.h" |
| #include "GrOpFlushState.h" |
| #include "GrRecordingContext.h" |
| #include "GrRecordingContextPriv.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrResourceProvider.h" |
| #include "SkMakeUnique.h" |
| #include "glsl/GrGLSLVertexGeoBuilder.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLGeometryProcessor.h" |
| #include "glsl/GrGLSLVarying.h" |
| |
| /** |
| * This is a GPU-backend specific test for dynamic pipeline state. It draws boxes using dynamic |
| * scissor rectangles then reads back the result to verify a successful test. |
| */ |
| |
| static constexpr int kScreenSize = 6; |
| static constexpr int kNumMeshes = 4; |
| static constexpr int kScreenSplitX = kScreenSize/2; |
| static constexpr int kScreenSplitY = kScreenSize/2; |
| |
| static const SkIRect kDynamicScissors[kNumMeshes] = { |
| SkIRect::MakeLTRB(0, 0, kScreenSplitX, kScreenSplitY), |
| SkIRect::MakeLTRB(0, kScreenSplitY, kScreenSplitX, kScreenSize), |
| SkIRect::MakeLTRB(kScreenSplitX, 0, kScreenSize, kScreenSplitY), |
| SkIRect::MakeLTRB(kScreenSplitX, kScreenSplitY, kScreenSize, kScreenSize), |
| }; |
| |
| static const GrColor kMeshColors[kNumMeshes] { |
| GrColorPackRGBA(255, 0, 0, 255), |
| GrColorPackRGBA(0, 255, 0, 255), |
| GrColorPackRGBA(0, 0, 255, 255), |
| GrColorPackRGBA(0, 0, 0, 255) |
| }; |
| |
| struct Vertex { |
| float fX; |
| float fY; |
| GrColor fColor; |
| }; |
| |
| class GrPipelineDynamicStateTestProcessor : public GrGeometryProcessor { |
| public: |
| GrPipelineDynamicStateTestProcessor() |
| : INHERITED(kGrPipelineDynamicStateTestProcessor_ClassID) { |
| this->setVertexAttributes(kAttributes, SK_ARRAY_COUNT(kAttributes)); |
| } |
| |
| const char* name() const override { return "GrPipelineDynamicStateTest Processor"; } |
| |
| void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const final {} |
| |
| GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const final; |
| |
| const Attribute& inVertex() const { return kAttributes[0]; } |
| const Attribute& inColor() const { return kAttributes[1]; } |
| |
| private: |
| static constexpr Attribute kAttributes[] = { |
| {"vertex", kFloat2_GrVertexAttribType, kHalf2_GrSLType}, |
| {"color", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType}, |
| }; |
| |
| friend class GLSLPipelineDynamicStateTestProcessor; |
| typedef GrGeometryProcessor INHERITED; |
| }; |
| constexpr GrPrimitiveProcessor::Attribute GrPipelineDynamicStateTestProcessor::kAttributes[]; |
| |
| class GLSLPipelineDynamicStateTestProcessor : public GrGLSLGeometryProcessor { |
| void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor&, |
| FPCoordTransformIter&& transformIter) final {} |
| |
| void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) final { |
| const GrPipelineDynamicStateTestProcessor& mp = |
| args.fGP.cast<GrPipelineDynamicStateTestProcessor>(); |
| |
| GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
| varyingHandler->emitAttributes(mp); |
| varyingHandler->addPassThroughAttribute(mp.inColor(), args.fOutputColor); |
| |
| GrGLSLVertexBuilder* v = args.fVertBuilder; |
| v->codeAppendf("float2 vertex = %s;", mp.inVertex().name()); |
| gpArgs->fPositionVar.set(kFloat2_GrSLType, "vertex"); |
| |
| GrGLSLFPFragmentBuilder* f = args.fFragBuilder; |
| f->codeAppendf("%s = half4(1);", args.fOutputCoverage); |
| } |
| }; |
| |
| GrGLSLPrimitiveProcessor* |
| GrPipelineDynamicStateTestProcessor::createGLSLInstance(const GrShaderCaps&) const { |
| return new GLSLPipelineDynamicStateTestProcessor; |
| } |
| |
| class GrPipelineDynamicStateTestOp : public GrDrawOp { |
| public: |
| DEFINE_OP_CLASS_ID |
| |
| static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, |
| GrScissorTest scissorTest, |
| sk_sp<const GrBuffer> vbuff) { |
| GrOpMemoryPool* pool = context->priv().opMemoryPool(); |
| |
| return pool->allocate<GrPipelineDynamicStateTestOp>(scissorTest, std::move(vbuff)); |
| } |
| |
| private: |
| friend class GrOpMemoryPool; |
| |
| GrPipelineDynamicStateTestOp(GrScissorTest scissorTest, sk_sp<const GrBuffer> vbuff) |
| : INHERITED(ClassID()) |
| , fScissorTest(scissorTest) |
| , fVertexBuffer(std::move(vbuff)) { |
| this->setBounds(SkRect::MakeIWH(kScreenSize, kScreenSize), |
| HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| const char* name() const override { return "GrPipelineDynamicStateTestOp"; } |
| FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; } |
| GrProcessorSet::Analysis finalize(const GrCaps&, const GrAppliedClip*, GrFSAAType) override { |
| return GrProcessorSet::EmptySetAnalysis(); |
| } |
| void onPrepare(GrOpFlushState*) override {} |
| void onExecute(GrOpFlushState* state, const SkRect& chainBounds) override { |
| GrPipeline pipeline(fScissorTest, SkBlendMode::kSrc); |
| SkSTArray<kNumMeshes, GrMesh> meshes; |
| for (int i = 0; i < kNumMeshes; ++i) { |
| GrMesh& mesh = meshes.emplace_back(GrPrimitiveType::kTriangleStrip); |
| mesh.setNonIndexedNonInstanced(4); |
| mesh.setVertexData(fVertexBuffer, 4 * i); |
| } |
| GrPipeline::DynamicStateArrays dynamicState; |
| dynamicState.fScissorRects = kDynamicScissors; |
| state->rtCommandBuffer()->draw(GrPipelineDynamicStateTestProcessor(), pipeline, nullptr, |
| &dynamicState, meshes.begin(), 4, |
| SkRect::MakeIWH(kScreenSize, kScreenSize)); |
| } |
| |
| GrScissorTest fScissorTest; |
| const sk_sp<const GrBuffer> fVertexBuffer; |
| |
| typedef GrDrawOp INHERITED; |
| }; |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrPipelineDynamicStateTest, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.grContext(); |
| GrResourceProvider* rp = context->priv().resourceProvider(); |
| |
| const GrBackendFormat format = |
| context->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType); |
| |
| sk_sp<GrRenderTargetContext> rtc(context->priv().makeDeferredRenderTargetContext( |
| format, SkBackingFit::kExact, kScreenSize, |
| kScreenSize, kRGBA_8888_GrPixelConfig, nullptr)); |
| if (!rtc) { |
| ERRORF(reporter, "could not create render target context."); |
| return; |
| } |
| |
| constexpr float d = (float) kScreenSize; |
| Vertex vdata[kNumMeshes * 4] = { |
| {0, 0, kMeshColors[0]}, |
| {0, d, kMeshColors[0]}, |
| {d, 0, kMeshColors[0]}, |
| {d, d, kMeshColors[0]}, |
| |
| {0, 0, kMeshColors[1]}, |
| {0, d, kMeshColors[1]}, |
| {d, 0, kMeshColors[1]}, |
| {d, d, kMeshColors[1]}, |
| |
| {0, 0, kMeshColors[2]}, |
| {0, d, kMeshColors[2]}, |
| {d, 0, kMeshColors[2]}, |
| {d, d, kMeshColors[2]}, |
| |
| {0, 0, kMeshColors[3]}, |
| {0, d, kMeshColors[3]}, |
| {d, 0, kMeshColors[3]}, |
| {d, d, kMeshColors[3]} |
| }; |
| |
| sk_sp<const GrBuffer> vbuff(rp->createBuffer(sizeof(vdata), GrGpuBufferType::kVertex, |
| kDynamic_GrAccessPattern, vdata)); |
| if (!vbuff) { |
| ERRORF(reporter, "vbuff is null."); |
| return; |
| } |
| |
| uint32_t resultPx[kScreenSize * kScreenSize]; |
| |
| for (GrScissorTest scissorTest : {GrScissorTest::kEnabled, GrScissorTest::kDisabled}) { |
| rtc->clear(nullptr, SkPMColor4f::FromBytes_RGBA(0xbaaaaaad), |
| GrRenderTargetContext::CanClearFullscreen::kYes); |
| rtc->priv().testingOnly_addDrawOp( |
| GrPipelineDynamicStateTestOp::Make(context, scissorTest, vbuff)); |
| rtc->readPixels(SkImageInfo::Make(kScreenSize, kScreenSize, |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType), |
| resultPx, 4 * kScreenSize, 0, 0, 0); |
| for (int y = 0; y < kScreenSize; ++y) { |
| for (int x = 0; x < kScreenSize; ++x) { |
| int expectedColorIdx; |
| if (GrScissorTest::kEnabled == scissorTest) { |
| expectedColorIdx = (x < kScreenSplitX ? 0 : 2) + (y < kScreenSplitY ? 0 : 1); |
| } else { |
| expectedColorIdx = kNumMeshes - 1; |
| } |
| uint32_t expected = kMeshColors[expectedColorIdx]; |
| uint32_t actual = resultPx[y * kScreenSize + x]; |
| if (expected != actual) { |
| ERRORF(reporter, "[scissor=%s] pixel (%i,%i): got 0x%x expected 0x%x", |
| GrScissorTest::kEnabled == scissorTest ? "enabled" : "disabled", x, y, |
| actual, expected); |
| return; |
| } |
| } |
| } |
| } |
| } |