| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Benchmark.h" |
| |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrGeometryProcessor.h" |
| #include "GrMemoryPool.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "SkColorSpacePriv.h" |
| #include "SkGr.h" |
| #include "SkHalf.h" |
| #include "SkString.h" |
| #include "glsl/GrGLSLColorSpaceXformHelper.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLGeometryProcessor.h" |
| #include "glsl/GrGLSLVarying.h" |
| #include "glsl/GrGLSLVertexGeoBuilder.h" |
| #include "ops/GrMeshDrawOp.h" |
| |
| namespace { |
| |
| enum Mode { |
| kBaseline_Mode, // Do the wrong thing, but quickly. |
| kFloat_Mode, // Transform colors on CPU, use float4 attributes. |
| kHalf_Mode, // Transform colors on CPU, use half4 attributes. |
| kShader_Mode, // Use ubyte4 attributes, transform colors on GPU (vertex shader). |
| kShort_Mode, // Transform on CPU, use short4 (4.12) attributes with a bit of shader math. |
| }; |
| |
| class GP : public GrGeometryProcessor { |
| public: |
| GP(Mode mode, sk_sp<GrColorSpaceXform> colorSpaceXform) |
| : INHERITED(kVertexColorSpaceBenchGP_ClassID) |
| , fMode(mode) |
| , fColorSpaceXform(std::move(colorSpaceXform)) { |
| fInPosition = {"inPosition", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
| switch (fMode) { |
| case kBaseline_Mode: |
| case kShader_Mode: |
| fInColor = {"inColor", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType}; |
| break; |
| case kFloat_Mode: |
| fInColor = {"inColor", kFloat4_GrVertexAttribType, kHalf4_GrSLType}; |
| break; |
| case kHalf_Mode: |
| fInColor = {"inColor", kHalf4_GrVertexAttribType, kHalf4_GrSLType}; |
| break; |
| case kShort_Mode: |
| fInColor = {"inColor", kShort4_GrVertexAttribType, kFloat4_GrSLType}; |
| break; |
| } |
| this->setVertexAttributeCnt(2); |
| } |
| const char* name() const override { return "VertexColorXformGP"; } |
| |
| GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override { |
| class GLSLGP : public GrGLSLGeometryProcessor { |
| public: |
| void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
| const GP& gp = args.fGP.cast<GP>(); |
| GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
| GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
| |
| varyingHandler->emitAttributes(gp); |
| |
| // Setup color |
| GrGLSLVarying varying(kHalf4_GrSLType); |
| varyingHandler->addVarying("color", &varying); |
| vertBuilder->codeAppendf("half4 color = %s;", gp.fInColor.name()); |
| |
| if (kShader_Mode == gp.fMode) { |
| fColorSpaceHelper.emitCode(uniformHandler, gp.fColorSpaceXform.get(), |
| kVertex_GrShaderFlag); |
| SkString xformedColor; |
| vertBuilder->appendColorGamutXform(&xformedColor, "color", &fColorSpaceHelper); |
| vertBuilder->codeAppendf("color = %s;", xformedColor.c_str()); |
| vertBuilder->codeAppend("color = half4(color.rgb * color.a, color.a);"); |
| } else if (kShort_Mode == gp.fMode) { |
| vertBuilder->codeAppend("color = color * (1 / 4096.0);"); |
| } |
| |
| vertBuilder->codeAppendf("%s = color;", varying.vsOut()); |
| fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, varying.fsIn()); |
| |
| // Position |
| this->writeOutputPosition(args.fVertBuilder, gpArgs, gp.fInPosition.name()); |
| |
| // Coverage |
| fragBuilder->codeAppendf("%s = half4(1);", args.fOutputCoverage); |
| } |
| void setData(const GrGLSLProgramDataManager& pdman, |
| const GrPrimitiveProcessor& primProc, |
| FPCoordTransformIter&&) override { |
| const GP& gp = primProc.cast<GP>(); |
| fColorSpaceHelper.setData(pdman, gp.fColorSpaceXform.get()); |
| } |
| |
| GrGLSLColorSpaceXformHelper fColorSpaceHelper; |
| }; |
| return new GLSLGP(); |
| } |
| |
| void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| b->add32(fMode); |
| b->add32(GrColorSpaceXform::XformKey(fColorSpaceXform.get())); |
| } |
| |
| private: |
| const GrPrimitiveProcessor::Attribute& onVertexAttribute(int i) const override { |
| return IthAttribute(i, fInPosition, fInColor); |
| } |
| |
| Mode fMode; |
| sk_sp<GrColorSpaceXform> fColorSpaceXform; |
| |
| Attribute fInPosition; |
| Attribute fInColor; |
| |
| typedef GrGeometryProcessor INHERITED; |
| }; |
| |
| class Op : public GrMeshDrawOp { |
| public: |
| DEFINE_OP_CLASS_ID |
| |
| const char* name() const override { return "VertColorXformOp"; } |
| |
| Op(GrColor color) |
| : INHERITED(ClassID()) |
| , fMode(kBaseline_Mode) |
| , fColor(color) { |
| this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| Op(GrColor4f color4f, Mode mode) |
| : INHERITED(ClassID()) |
| , fMode(mode) |
| , fColor4f(color4f) { |
| SkASSERT(kFloat_Mode == fMode || kHalf_Mode == mode || kShort_Mode == mode); |
| this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| Op(GrColor color, sk_sp<GrColorSpaceXform> colorSpaceXform) |
| : INHERITED(ClassID()) |
| , fMode(kShader_Mode) |
| , fColor(color) |
| , fColorSpaceXform(std::move(colorSpaceXform)) { |
| this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override { |
| return FixedFunctionFlags::kNone; |
| } |
| |
| RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*) override { |
| return RequiresDstTexture::kNo; |
| } |
| |
| private: |
| friend class ::GrOpMemoryPool; |
| |
| void onPrepareDraws(Target* target) override { |
| sk_sp<GrGeometryProcessor> gp(new GP(fMode, fColorSpaceXform)); |
| |
| size_t vertexStride = sizeof(SkPoint); |
| switch (fMode) { |
| case kFloat_Mode: |
| vertexStride += sizeof(GrColor4f); |
| break; |
| case kHalf_Mode: |
| case kShort_Mode: |
| vertexStride += sizeof(uint64_t); |
| break; |
| default: |
| vertexStride += sizeof(uint32_t); |
| } |
| SkASSERT(vertexStride == gp->debugOnly_vertexStride()); |
| |
| const int kVertexCount = 1024; |
| const GrBuffer* vertexBuffer = nullptr; |
| int firstVertex = 0; |
| void* verts = target->makeVertexSpace(vertexStride, kVertexCount, &vertexBuffer, |
| &firstVertex); |
| if (!verts) { |
| return; |
| } |
| |
| const float dx = 100.0f / kVertexCount; |
| if (kFloat_Mode == fMode) { |
| struct V { |
| SkPoint fPos; |
| GrColor4f fColor; |
| }; |
| SkASSERT(sizeof(V) == vertexStride); |
| V* v = (V*)verts; |
| for (int i = 0; i < kVertexCount; i += 2) { |
| v[i + 0].fPos.set(dx * i, 0.0f); |
| v[i + 0].fColor = fColor4f; |
| v[i + 1].fPos.set(dx * i, 100.0f); |
| v[i + 1].fColor = fColor4f; |
| } |
| } else if (kHalf_Mode == fMode) { |
| struct V { |
| SkPoint fPos; |
| uint64_t fColor; |
| }; |
| SkASSERT(sizeof(V) == vertexStride); |
| uint64_t color; |
| Sk4h halfColor = SkFloatToHalf_finite_ftz(Sk4f::Load(&fColor4f)); |
| color = (uint64_t)halfColor[0] << 48 | |
| (uint64_t)halfColor[1] << 32 | |
| (uint64_t)halfColor[2] << 16 | |
| (uint64_t)halfColor[3] << 0; |
| V* v = (V*)verts; |
| for (int i = 0; i < kVertexCount; i += 2) { |
| v[i + 0].fPos.set(dx * i, 0.0f); |
| v[i + 0].fColor = color; |
| v[i + 1].fPos.set(dx * i, 100.0f); |
| v[i + 1].fColor = color; |
| } |
| } else if (kShort_Mode == fMode) { |
| struct ShortColor { int16_t fRGBA[4]; }; |
| struct V { |
| SkPoint fPos; |
| ShortColor fColor; |
| }; |
| SkASSERT(sizeof(V) == vertexStride); |
| Sk4i c = Sk4f_round(Sk4f::Load(&fColor4f) * 4096.0f); |
| c = Sk4i::Max(-32768, Sk4i::Min(c, 32767)); |
| ShortColor color; |
| for (int i = 0; i < 4; ++i) { |
| color.fRGBA[i] = c[i]; |
| } |
| V* v = (V*)verts; |
| for (int i = 0; i < kVertexCount; i += 2) { |
| v[i + 0].fPos.set(dx * i, 0.0f); |
| v[i + 0].fColor = color; |
| v[i + 1].fPos.set(dx * i, 100.0f); |
| v[i + 1].fColor = color; |
| } |
| } else { |
| struct V { |
| SkPoint fPos; |
| GrColor fColor; |
| }; |
| SkASSERT(sizeof(V) == vertexStride); |
| V* v = (V*)verts; |
| for (int i = 0; i < kVertexCount; i += 2) { |
| v[i + 0].fPos.set(dx * i, 0.0f); |
| v[i + 0].fColor = fColor; |
| v[i + 1].fPos.set(dx * i, 100.0f); |
| v[i + 1].fColor = fColor; |
| } |
| } |
| |
| GrMesh* mesh = target->allocMesh(GrPrimitiveType::kTriangleStrip); |
| mesh->setNonIndexedNonInstanced(kVertexCount); |
| mesh->setVertexData(vertexBuffer, firstVertex); |
| auto pipe = target->makePipeline(0, GrProcessorSet::MakeEmptySet(), |
| target->detachAppliedClip()); |
| target->draw(gp, pipe.fPipeline, pipe.fFixedDynamicState, mesh); |
| } |
| |
| Mode fMode; |
| GrColor fColor; |
| GrColor4f fColor4f; |
| sk_sp<GrColorSpaceXform> fColorSpaceXform; |
| |
| typedef GrMeshDrawOp INHERITED; |
| }; |
| } |
| |
| class VertexColorSpaceBench : public Benchmark { |
| public: |
| VertexColorSpaceBench(Mode mode, const char* name) : fMode(mode) { |
| fName = "vertexcolorspace"; |
| fName.appendf("_%s", name); |
| } |
| |
| bool isSuitableFor(Backend backend) override { return kGPU_Backend == backend; } |
| const char* onGetName() override { return fName.c_str(); } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| GrContext* context = canvas->getGrContext(); |
| SkASSERT(context); |
| |
| if (kHalf_Mode == fMode && |
| !context->contextPriv().caps()->halfFloatVertexAttributeSupport()) { |
| return; |
| } |
| |
| GrOpMemoryPool* pool = context->contextPriv().opMemoryPool(); |
| |
| auto p3 = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma, |
| SkColorSpace::kDCIP3_D65_Gamut); |
| auto xform = GrColorSpaceXform::Make(sk_srgb_singleton(), kUnpremul_SkAlphaType, |
| p3.get(), kUnpremul_SkAlphaType); |
| |
| SkRandom r; |
| const int kDrawsPerLoop = 32; |
| |
| for (int i = 0; i < loops; ++i) { |
| sk_sp<GrRenderTargetContext> rtc( |
| context->contextPriv().makeDeferredRenderTargetContext(SkBackingFit::kApprox, |
| 100, 100, kRGBA_8888_GrPixelConfig, p3)); |
| SkASSERT(rtc); |
| |
| for (int j = 0; j < kDrawsPerLoop; ++j) { |
| SkColor c = r.nextU(); |
| std::unique_ptr<GrDrawOp> op = nullptr; |
| |
| switch (fMode) { |
| case kBaseline_Mode: |
| op = pool->allocate<Op>(SkColorToPremulGrColor(c)); |
| break; |
| case kShader_Mode: |
| op = pool->allocate<Op>(SkColorToUnpremulGrColor(c), xform); |
| break; |
| case kHalf_Mode: |
| case kShort_Mode: |
| case kFloat_Mode: { |
| GrColor4f c4f = GrColor4f::FromGrColor(SkColorToUnpremulGrColor(c)); |
| c4f = xform->apply(c4f); |
| op = pool->allocate<Op>(c4f, fMode); |
| } |
| } |
| rtc->priv().testingOnly_addDrawOp(std::move(op)); |
| } |
| |
| context->flush(); |
| } |
| } |
| |
| private: |
| SkString fName; |
| Mode fMode; |
| |
| typedef Benchmark INHERITED; |
| }; |
| |
| DEF_BENCH(return new VertexColorSpaceBench(kBaseline_Mode, "baseline")); |
| DEF_BENCH(return new VertexColorSpaceBench(kFloat_Mode, "float")); |
| DEF_BENCH(return new VertexColorSpaceBench(kHalf_Mode, "half")); |
| DEF_BENCH(return new VertexColorSpaceBench(kShort_Mode, "short")); |
| DEF_BENCH(return new VertexColorSpaceBench(kShader_Mode, "shader")); |