| /* |
| * Copyright 2019 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "tools/gpu/TestOps.h" |
| |
| #include "src/core/SkPointPriv.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrGeometryProcessor.h" |
| #include "src/gpu/GrMemoryPool.h" |
| #include "src/gpu/GrOpFlushState.h" |
| #include "src/gpu/GrProgramInfo.h" |
| #include "src/gpu/GrVertexWriter.h" |
| #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "src/gpu/glsl/GrGLSLGeometryProcessor.h" |
| #include "src/gpu/glsl/GrGLSLVarying.h" |
| #include "src/gpu/glsl/GrGLSLVertexGeoBuilder.h" |
| #include "src/gpu/ops/GrSimpleMeshDrawOpHelper.h" |
| |
| namespace { |
| |
| class GP : public GrGeometryProcessor { |
| public: |
| GP(const SkMatrix& localMatrix, bool wideColor) |
| : GrGeometryProcessor(kTestRectOp_ClassID), fLocalMatrix(localMatrix) { |
| fInColor = MakeColorAttribute("color", wideColor); |
| this->setVertexAttributes(&fInPosition, 3); |
| } |
| |
| const char* name() const override { return "TestRectOp::GP"; } |
| |
| GrGLSLGeometryProcessor* createGLSLInstance(const GrShaderCaps& caps) const override { |
| return new GLSLGP(); |
| } |
| |
| void getGLSLProcessorKey(const GrShaderCaps& shaderCaps, |
| GrProcessorKeyBuilder* b) const override { |
| GLSLGP::GenKey(*this, shaderCaps, b); |
| } |
| |
| bool wideColor() const { return fInColor.cpuType() != kUByte4_norm_GrVertexAttribType; } |
| |
| private: |
| class GLSLGP : public GrGLSLGeometryProcessor { |
| public: |
| void setData(const GrGLSLProgramDataManager& pdman, |
| const GrShaderCaps& shaderCaps, |
| const GrGeometryProcessor& geomProc) override { |
| const auto& gp = geomProc.cast<GP>(); |
| SetTransform(pdman, shaderCaps, fLocalMatrixUni, gp.fLocalMatrix); |
| } |
| |
| static void GenKey(const GP& gp, const GrShaderCaps& shaderCaps, GrProcessorKeyBuilder* b) { |
| b->add32(ComputeMatrixKey(shaderCaps, gp.fLocalMatrix)); |
| } |
| |
| private: |
| void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
| const auto& gp = args.fGeomProc.cast<GP>(); |
| args.fVaryingHandler->emitAttributes(gp); |
| GrGLSLVarying colorVarying(kHalf4_GrSLType); |
| args.fVaryingHandler->addVarying("color", &colorVarying, |
| GrGLSLVaryingHandler::Interpolation::kCanBeFlat); |
| args.fVertBuilder->codeAppendf("%s = %s;", colorVarying.vsOut(), gp.fInColor.name()); |
| args.fFragBuilder->codeAppendf("half4 %s = %s;", |
| args.fOutputColor, colorVarying.fsIn()); |
| args.fFragBuilder->codeAppendf("const half4 %s = half4(1);", args.fOutputCoverage); |
| WriteOutputPosition(args.fVertBuilder, gpArgs, gp.fInPosition.name()); |
| WriteLocalCoord(args.fVertBuilder, |
| args.fUniformHandler, |
| *args.fShaderCaps, |
| gpArgs, |
| gp.fInLocalCoords.asShaderVar(), |
| gp.fLocalMatrix, |
| &fLocalMatrixUni); |
| } |
| |
| UniformHandle fLocalMatrixUni; |
| }; |
| |
| Attribute fInPosition = {"inPosition", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
| Attribute fInLocalCoords = {"inLocalCoords", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
| Attribute fInColor; |
| SkMatrix fLocalMatrix; |
| }; |
| |
| class TestRectOp final : public GrMeshDrawOp { |
| public: |
| static GrOp::Owner Make(GrRecordingContext*, |
| GrPaint&&, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localM); |
| |
| const char* name() const override { return "TestRectOp"; } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; } |
| |
| GrProcessorSet::Analysis finalize(const GrCaps&, |
| const GrAppliedClip*, |
| GrClampType) override; |
| |
| void visitProxies(const GrVisitProxyFunc& func) const override { |
| if (fProgramInfo) { |
| fProgramInfo->visitFPProxies(func); |
| } else { |
| fProcessorSet.visitProxies(func); |
| } |
| } |
| |
| private: |
| DEFINE_OP_CLASS_ID |
| |
| TestRectOp(const GrCaps*, |
| GrPaint&&, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localMatrix); |
| |
| GrProgramInfo* programInfo() override { return fProgramInfo; } |
| void onCreateProgramInfo(const GrCaps*, |
| SkArenaAlloc*, |
| const GrSurfaceProxyView& writeView, |
| GrAppliedClip&&, |
| const GrDstProxyView&, |
| GrXferBarrierFlags renderPassXferBarriers, |
| GrLoadOp colorLoadOp) override; |
| |
| void onPrepareDraws(GrMeshDrawTarget*) override; |
| void onExecute(GrOpFlushState*, const SkRect& chainBounds) override; |
| |
| SkRect fDrawRect; |
| SkRect fLocalRect; |
| SkPMColor4f fColor; |
| GP fGP; |
| GrProcessorSet fProcessorSet; |
| |
| // If this op is prePrepared the created programInfo will be stored here for use in |
| // onExecute. In the prePrepared case it will have been stored in the record-time arena. |
| GrProgramInfo* fProgramInfo = nullptr; |
| GrSimpleMesh* fMesh = nullptr; |
| |
| friend class ::GrOp; |
| }; |
| |
| GrOp::Owner TestRectOp::Make(GrRecordingContext* context, |
| GrPaint&& paint, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localM) { |
| const auto* caps = context->priv().caps(); |
| return GrOp::Make<TestRectOp>(context, caps, std::move(paint), drawRect, localRect, localM); |
| } |
| |
| GrProcessorSet::Analysis TestRectOp::finalize(const GrCaps& caps, |
| const GrAppliedClip* clip, |
| GrClampType clampType) { |
| return fProcessorSet.finalize(GrProcessorAnalysisColor::Opaque::kYes, |
| GrProcessorAnalysisCoverage::kSingleChannel, clip, |
| &GrUserStencilSettings::kUnused, caps, clampType, &fColor); |
| } |
| |
| static bool use_wide_color(const GrPaint& paint, const GrCaps* caps) { |
| return !paint.getColor4f().fitsInBytes() && caps->halfFloatVertexAttributeSupport(); |
| } |
| TestRectOp::TestRectOp(const GrCaps* caps, |
| GrPaint&& paint, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localMatrix) |
| : GrMeshDrawOp(ClassID()) |
| , fDrawRect(drawRect) |
| , fLocalRect(localRect) |
| , fColor(paint.getColor4f()) |
| , fGP(localMatrix, use_wide_color(paint, caps)) |
| , fProcessorSet(std::move(paint)) { |
| this->setBounds(drawRect.makeSorted(), HasAABloat::kNo, IsHairline::kNo); |
| } |
| |
| void TestRectOp::onCreateProgramInfo(const GrCaps* caps, |
| SkArenaAlloc* arena, |
| const GrSurfaceProxyView& writeView, |
| GrAppliedClip&& appliedClip, |
| const GrDstProxyView& dstProxyView, |
| GrXferBarrierFlags renderPassXferBarriers, |
| GrLoadOp colorLoadOp) { |
| fProgramInfo = GrSimpleMeshDrawOpHelper::CreateProgramInfo(caps, |
| arena, |
| writeView, |
| std::move(appliedClip), |
| dstProxyView, |
| &fGP, |
| std::move(fProcessorSet), |
| GrPrimitiveType::kTriangles, |
| renderPassXferBarriers, |
| colorLoadOp, |
| GrPipeline::InputFlags::kNone); |
| } |
| |
| void TestRectOp::onPrepareDraws(GrMeshDrawTarget* target) { |
| QuadHelper helper(target, fGP.vertexStride(), 1); |
| GrVertexWriter writer{helper.vertices()}; |
| auto pos = GrVertexWriter::TriStripFromRect(fDrawRect); |
| auto local = GrVertexWriter::TriStripFromRect(fLocalRect); |
| GrVertexColor color(fColor, fGP.wideColor()); |
| writer.writeQuad(pos, local, color); |
| |
| fMesh = helper.mesh(); |
| } |
| |
| void TestRectOp::onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) { |
| if (!fProgramInfo) { |
| this->createProgramInfo(flushState); |
| } |
| |
| flushState->bindPipelineAndScissorClip(*fProgramInfo, chainBounds); |
| flushState->bindTextures(fProgramInfo->geomProc(), nullptr, fProgramInfo->pipeline()); |
| flushState->drawMesh(*fMesh); |
| } |
| |
| } // anonymous namespace |
| |
| namespace sk_gpu_test::test_ops { |
| |
| GrOp::Owner MakeRect(GrRecordingContext* context, |
| GrPaint&& paint, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localM) { |
| return TestRectOp::Make(context, std::move(paint), drawRect, localRect, localM); |
| } |
| |
| GrOp::Owner MakeRect(GrRecordingContext* context, |
| std::unique_ptr<GrFragmentProcessor> fp, |
| const SkRect& drawRect, |
| const SkRect& localRect, |
| const SkMatrix& localM) { |
| GrPaint paint; |
| paint.setColorFragmentProcessor(std::move(fp)); |
| return TestRectOp::Make(context, std::move(paint), drawRect, localRect, localM); |
| } |
| |
| GrOp::Owner MakeRect(GrRecordingContext* context, |
| GrPaint&& paint, |
| const SkRect& rect) { |
| return TestRectOp::Make(context, std::move(paint), rect, rect, SkMatrix::I()); |
| } |
| |
| } // namespace sk_gpu_test::test_ops |