4f93c573e2
This CL is interesting bc the AAHairlineOp is the first one that requires multiple programInfos. Correspondingly, it is also the first one that shares a pipeline between said multiple programInfos. Bug: skia:9455 Change-Id: I2369abbdeaf4eac2bc9547ad36631beba29bd641 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/277203 Reviewed-by: Greg Daniel <egdaniel@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
520 lines
18 KiB
C++
520 lines
18 KiB
C++
/*
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* Copyright 2013 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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// This test only works with the GPU backend.
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#include "gm/gm.h"
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#include "include/core/SkBlendMode.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPoint.h"
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#include "include/core/SkPoint3.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTypes.h"
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#include "include/gpu/GrContext.h"
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#include "include/private/GrRecordingContext.h"
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#include "include/private/GrSharedEnums.h"
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#include "include/private/GrTypesPriv.h"
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#include "include/private/SkColorData.h"
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#include "include/utils/SkRandom.h"
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#include "src/core/SkGeometry.h"
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#include "src/core/SkPointPriv.h"
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#include "src/gpu/GrCaps.h"
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#include "src/gpu/GrContextPriv.h"
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#include "src/gpu/GrGeometryProcessor.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/GrPaint.h"
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#include "src/gpu/GrProcessorAnalysis.h"
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#include "src/gpu/GrProcessorSet.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/GrRenderTargetContext.h"
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#include "src/gpu/GrRenderTargetContextPriv.h"
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#include "src/gpu/GrUserStencilSettings.h"
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#include "src/gpu/effects/GrBezierEffect.h"
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#include "src/gpu/effects/GrPorterDuffXferProcessor.h"
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#include "src/gpu/geometry/GrPathUtils.h"
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#include "src/gpu/ops/GrDrawOp.h"
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#include "src/gpu/ops/GrMeshDrawOp.h"
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#include "src/gpu/ops/GrOp.h"
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#include "src/gpu/ops/GrSimpleMeshDrawOpHelper.h"
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#include <memory>
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#include <utility>
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class GrAppliedClip;
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namespace skiagm {
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class BezierTestOp : public GrMeshDrawOp {
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public:
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FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; }
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GrProcessorSet::Analysis finalize(
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const GrCaps& caps, const GrAppliedClip* clip, bool hasMixedSampledCoverage,
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GrClampType clampType) override {
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return fProcessorSet.finalize(
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fColor, GrProcessorAnalysisCoverage::kSingleChannel, clip,
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&GrUserStencilSettings::kUnused, hasMixedSampledCoverage, caps, clampType, &fColor);
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}
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void visitProxies(const VisitProxyFunc& func) const override {
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if (fProgramInfo) {
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fProgramInfo->visitFPProxies(func);
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} else {
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fProcessorSet.visitProxies(func);
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}
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}
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protected:
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BezierTestOp(GrClipEdgeType et, const SkRect& rect, const SkPMColor4f& color, int32_t classID)
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: INHERITED(classID)
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, fRect(rect)
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, fColor(color)
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, fEdgeType(et)
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, fProcessorSet(SkBlendMode::kSrc) {
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this->setBounds(rect, HasAABloat::kYes, IsHairline::kNo);
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}
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virtual GrGeometryProcessor* makeGP(const GrCaps& caps, SkArenaAlloc* arena) = 0;
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GrProgramInfo* programInfo() override { return fProgramInfo; }
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void onCreateProgramInfo(const GrCaps* caps,
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SkArenaAlloc* arena,
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const GrSurfaceProxyView* outputView,
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GrAppliedClip&& appliedClip,
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const GrXferProcessor::DstProxyView& dstProxyView) override {
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auto gp = this->makeGP(*caps, arena);
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if (!gp) {
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return;
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}
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GrPipeline::InputFlags flags = GrPipeline::InputFlags::kNone;
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fProgramInfo = GrSimpleMeshDrawOpHelper::CreateProgramInfo(caps, arena, outputView,
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std::move(appliedClip),
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dstProxyView, gp,
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std::move(fProcessorSet),
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GrPrimitiveType::kTriangles,
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flags);
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}
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void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) final {
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if (!fProgramInfo) {
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this->createProgramInfo(flushState);
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}
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if (!fProgramInfo) {
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return;
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}
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flushState->bindPipelineAndScissorClip(*fProgramInfo, chainBounds);
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flushState->bindTextures(fProgramInfo->primProc(), nullptr, fProgramInfo->pipeline());
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flushState->drawMesh(*fMesh);
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}
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GrClipEdgeType edgeType() const { return fEdgeType; }
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const SkRect& rect() const { return fRect; }
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const SkPMColor4f& color() const { return fColor; }
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protected:
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GrSimpleMesh* fMesh = nullptr; // filled in by the derived classes
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private:
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SkRect fRect;
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SkPMColor4f fColor;
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GrClipEdgeType fEdgeType;
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GrProcessorSet fProcessorSet;
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GrProgramInfo* fProgramInfo = nullptr;
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typedef GrMeshDrawOp INHERITED;
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};
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/**
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* This GM directly exercises effects that draw Bezier curves in the GPU backend.
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*/
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class BezierConicTestOp : public BezierTestOp {
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public:
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DEFINE_OP_CLASS_ID
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const char* name() const final { return "BezierConicTestOp"; }
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static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
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GrClipEdgeType et,
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const SkRect& rect,
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const SkPMColor4f& color,
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const SkMatrix& klm) {
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GrOpMemoryPool* pool = context->priv().opMemoryPool();
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return pool->allocate<BezierConicTestOp>(et, rect, color, klm);
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}
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private:
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friend class ::GrOpMemoryPool; // for ctor
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BezierConicTestOp(GrClipEdgeType et, const SkRect& rect,
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const SkPMColor4f& color, const SkMatrix& klm)
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: INHERITED(et, rect, color, ClassID()), fKLM(klm) {}
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struct Vertex {
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SkPoint fPosition;
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float fKLM[4]; // The last value is ignored. The effect expects a vec4f.
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};
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GrGeometryProcessor* makeGP(const GrCaps& caps, SkArenaAlloc* arena) final {
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auto tmp = GrConicEffect::Make(arena, this->color(), SkMatrix::I(), this->edgeType(),
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caps, SkMatrix::I(), false);
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if (!tmp) {
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return nullptr;
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}
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SkASSERT(tmp->vertexStride() == sizeof(Vertex));
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return tmp;
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}
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void onPrepareDraws(Target* target) final {
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QuadHelper helper(target, sizeof(Vertex), 1);
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Vertex* verts = reinterpret_cast<Vertex*>(helper.vertices());
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if (!verts) {
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return;
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}
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SkRect rect = this->rect();
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SkPointPriv::SetRectTriStrip(&verts[0].fPosition, rect, sizeof(Vertex));
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for (int v = 0; v < 4; ++v) {
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SkPoint3 pt3 = {verts[v].fPosition.x(), verts[v].fPosition.y(), 1.f};
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fKLM.mapHomogeneousPoints((SkPoint3* ) verts[v].fKLM, &pt3, 1);
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}
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fMesh = helper.mesh();
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}
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SkMatrix fKLM;
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static constexpr int kVertsPerCubic = 4;
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static constexpr int kIndicesPerCubic = 6;
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typedef BezierTestOp INHERITED;
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};
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/**
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* This GM directly exercises effects that draw Bezier curves in the GPU backend.
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*/
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class BezierConicEffects : public GpuGM {
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public:
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BezierConicEffects() {
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this->setBGColor(0xFFFFFFFF);
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}
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protected:
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static const int kNumConics = 10;
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static const int kCellWidth = 128;
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static const int kCellHeight = 128;
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SkString onShortName() override {
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return SkString("bezier_conic_effects");
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}
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SkISize onISize() override {
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return SkISize::Make(kGrClipEdgeTypeCnt*kCellWidth, kNumConics*kCellHeight);
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}
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void onDraw(GrContext* context, GrRenderTargetContext* renderTargetContext,
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SkCanvas* canvas) override {
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const SkScalar w = kCellWidth, h = kCellHeight;
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const SkPMColor4f kOpaqueBlack = SkPMColor4f::FromBytes_RGBA(0xff000000);
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const SkPoint baseControlPts[kNumConics][3] = {
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{ { 0.31f * w, 0.01f * h}, { 0.48f * w, 0.74f * h }, { 0.19f * w, 0.33f * h } },
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{ { 0.00f * w, 0.07f * h}, { 0.30f * w, 0.70f * h }, { 0.47f * w, 0.37f * h } },
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{ { 0.15f * w, 0.23f * h}, { 0.49f * w, 0.87f * h }, { 0.85f * w, 0.66f * h } },
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{ { 0.09f * w, 0.15f * h}, { 0.42f * w, 0.33f * h }, { 0.17f * w, 0.38f * h } },
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{ { 0.98f * w, 0.54f * h}, { 0.83f * w, 0.91f * h }, { 0.62f * w, 0.40f * h } },
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{ { 0.96f * w, 0.65f * h}, { 0.03f * w, 0.79f * h }, { 0.24f * w, 0.56f * h } },
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{ { 0.57f * w, 0.12f * h}, { 0.33f * w, 0.67f * h }, { 0.59f * w, 0.33f * h } },
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{ { 0.12f * w, 0.72f * h}, { 0.69f * w, 0.85f * h }, { 0.46f * w, 0.32f * h } },
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{ { 0.27f * w, 0.49f * h}, { 0.41f * w, 0.02f * h }, { 0.11f * w, 0.42f * h } },
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{ { 0.40f * w, 0.13f * h}, { 0.83f * w, 0.30f * h }, { 0.31f * w, 0.68f * h } },
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};
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const SkScalar weights[kNumConics] = { 0.62f, 0.01f, 0.95f, 1.48f, 0.37f,
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0.66f, 0.15f, 0.14f, 0.61f, 1.4f };
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SkPaint ctrlPtPaint;
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ctrlPtPaint.setColor(SK_ColorRED);
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SkPaint choppedPtPaint;
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choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000);
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SkPaint polyPaint;
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polyPaint.setColor(0xffA0A0A0);
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polyPaint.setStrokeWidth(0);
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polyPaint.setStyle(SkPaint::kStroke_Style);
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SkPaint boundsPaint;
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boundsPaint.setColor(0xff808080);
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boundsPaint.setStrokeWidth(0);
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boundsPaint.setStyle(SkPaint::kStroke_Style);
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for (int row = 0; row < kNumConics; ++row) {
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for(int col = 0; col < kGrClipEdgeTypeCnt; ++col) {
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GrClipEdgeType et = (GrClipEdgeType) col;
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SkScalar x = col * w;
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SkScalar y = row * h;
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SkPoint controlPts[] = {
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{x + baseControlPts[row][0].fX, y + baseControlPts[row][0].fY},
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{x + baseControlPts[row][1].fX, y + baseControlPts[row][1].fY},
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{x + baseControlPts[row][2].fX, y + baseControlPts[row][2].fY}
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};
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for (int i = 0; i < 3; ++i) {
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canvas->drawCircle(controlPts[i], 6.f, ctrlPtPaint);
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}
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canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint);
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SkConic dst[4];
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SkMatrix klm;
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int cnt = ChopConic(controlPts, dst, weights[row]);
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GrPathUtils::getConicKLM(controlPts, weights[row], &klm);
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for (int c = 0; c < cnt; ++c) {
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SkPoint* pts = dst[c].fPts;
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for (int i = 0; i < 3; ++i) {
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canvas->drawCircle(pts[i], 3.f, choppedPtPaint);
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}
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SkRect bounds;
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bounds.setBounds(pts, 3);
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canvas->drawRect(bounds, boundsPaint);
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std::unique_ptr<GrDrawOp> op = BezierConicTestOp::Make(context, et, bounds,
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kOpaqueBlack, klm);
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renderTargetContext->priv().testingOnly_addDrawOp(std::move(op));
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}
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}
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}
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}
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private:
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// Uses the max curvature function for quads to estimate
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// where to chop the conic. If the max curvature is not
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// found along the curve segment it will return 1 and
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// dst[0] is the original conic. If it returns 2 the dst[0]
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// and dst[1] are the two new conics.
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static int SplitConic(const SkPoint src[3], SkConic dst[2], const SkScalar weight) {
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SkScalar t = SkFindQuadMaxCurvature(src);
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if (t == 0 || t == 1) {
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if (dst) {
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dst[0].set(src, weight);
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}
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return 1;
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} else {
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if (dst) {
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SkConic conic;
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conic.set(src, weight);
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if (!conic.chopAt(t, dst)) {
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dst[0].set(src, weight);
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return 1;
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}
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}
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return 2;
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}
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}
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// Calls SplitConic on the entire conic and then once more on each subsection.
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// Most cases will result in either 1 conic (chop point is not within t range)
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// or 3 points (split once and then one subsection is split again).
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static int ChopConic(const SkPoint src[3], SkConic dst[4], const SkScalar weight) {
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SkConic dstTemp[2];
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int conicCnt = SplitConic(src, dstTemp, weight);
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if (2 == conicCnt) {
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int conicCnt2 = SplitConic(dstTemp[0].fPts, dst, dstTemp[0].fW);
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conicCnt = conicCnt2 + SplitConic(dstTemp[1].fPts, &dst[conicCnt2], dstTemp[1].fW);
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} else {
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dst[0] = dstTemp[0];
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}
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return conicCnt;
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}
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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class BezierQuadTestOp : public BezierTestOp {
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public:
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DEFINE_OP_CLASS_ID
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const char* name() const override { return "BezierQuadTestOp"; }
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static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context,
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GrClipEdgeType et,
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const SkRect& rect,
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const SkPMColor4f& color,
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const GrPathUtils::QuadUVMatrix& devToUV) {
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GrOpMemoryPool* pool = context->priv().opMemoryPool();
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return pool->allocate<BezierQuadTestOp>(et, rect, color, devToUV);
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}
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private:
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friend class ::GrOpMemoryPool; // for ctor
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BezierQuadTestOp(GrClipEdgeType et, const SkRect& rect,
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const SkPMColor4f& color, const GrPathUtils::QuadUVMatrix& devToUV)
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: INHERITED(et, rect, color, ClassID()), fDevToUV(devToUV) {}
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struct Vertex {
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SkPoint fPosition;
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float fKLM[4]; // The last value is ignored. The effect expects a vec4f.
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};
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GrGeometryProcessor* makeGP(const GrCaps& caps, SkArenaAlloc* arena) final {
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auto tmp = GrQuadEffect::Make(arena, this->color(), SkMatrix::I(), this->edgeType(),
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caps, SkMatrix::I(), false);
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if (!tmp) {
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return nullptr;
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}
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SkASSERT(tmp->vertexStride() == sizeof(Vertex));
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return tmp;
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}
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void onPrepareDraws(Target* target) final {
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QuadHelper helper(target, sizeof(Vertex), 1);
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Vertex* verts = reinterpret_cast<Vertex*>(helper.vertices());
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if (!verts) {
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return;
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}
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SkRect rect = this->rect();
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SkPointPriv::SetRectTriStrip(&verts[0].fPosition, rect, sizeof(Vertex));
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fDevToUV.apply(verts, 4, sizeof(Vertex), sizeof(SkPoint));
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fMesh = helper.mesh();
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}
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GrPathUtils::QuadUVMatrix fDevToUV;
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static constexpr int kVertsPerCubic = 4;
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static constexpr int kIndicesPerCubic = 6;
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typedef BezierTestOp INHERITED;
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};
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/**
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* This GM directly exercises effects that draw Bezier quad curves in the GPU backend.
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*/
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class BezierQuadEffects : public GpuGM {
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public:
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BezierQuadEffects() {
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this->setBGColor(0xFFFFFFFF);
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}
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protected:
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static const int kNumQuads = 5;
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static const int kCellWidth = 128;
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static const int kCellHeight = 128;
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SkString onShortName() override {
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return SkString("bezier_quad_effects");
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}
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SkISize onISize() override {
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return SkISize::Make(kGrClipEdgeTypeCnt*kCellWidth, kNumQuads*kCellHeight);
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}
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void onDraw(GrContext* context, GrRenderTargetContext* renderTargetContext,
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SkCanvas* canvas) override {
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const SkScalar w = kCellWidth, h = kCellHeight;
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const SkPMColor4f kOpaqueBlack = SkPMColor4f::FromBytes_RGBA(0xff000000);
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const SkPoint baseControlPts[kNumQuads][3] = {
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{ { 0.31f * w, 0.01f * h}, { 0.48f * w, 0.74f * h }, { 0.19f * w, 0.33f * h } },
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{ { 0.00f * w, 0.07f * h}, { 0.30f * w, 0.70f * h }, { 0.47f * w, 0.37f * h } },
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{ { 0.15f * w, 0.23f * h}, { 0.49f * w, 0.87f * h }, { 0.85f * w, 0.66f * h } },
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{ { 0.09f * w, 0.15f * h}, { 0.42f * w, 0.33f * h }, { 0.17f * w, 0.38f * h } },
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{ { 0.98f * w, 0.54f * h}, { 0.83f * w, 0.91f * h }, { 0.62f * w, 0.40f * h } },
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};
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SkPaint ctrlPtPaint;
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ctrlPtPaint.setColor(SK_ColorRED);
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|
|
SkPaint choppedPtPaint;
|
|
choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000);
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|
|
|
SkPaint polyPaint;
|
|
polyPaint.setColor(0xffA0A0A0);
|
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polyPaint.setStrokeWidth(0);
|
|
polyPaint.setStyle(SkPaint::kStroke_Style);
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|
|
|
SkPaint boundsPaint;
|
|
boundsPaint.setColor(0xff808080);
|
|
boundsPaint.setStrokeWidth(0);
|
|
boundsPaint.setStyle(SkPaint::kStroke_Style);
|
|
|
|
for (int row = 0; row < kNumQuads; ++row) {
|
|
for(int col = 0; col < kGrClipEdgeTypeCnt; ++col) {
|
|
GrClipEdgeType et = (GrClipEdgeType) col;
|
|
|
|
SkScalar x = col * w;
|
|
SkScalar y = row * h;
|
|
SkPoint controlPts[] = {
|
|
{x + baseControlPts[row][0].fX, y + baseControlPts[row][0].fY},
|
|
{x + baseControlPts[row][1].fX, y + baseControlPts[row][1].fY},
|
|
{x + baseControlPts[row][2].fX, y + baseControlPts[row][2].fY}
|
|
};
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
canvas->drawCircle(controlPts[i], 6.f, ctrlPtPaint);
|
|
}
|
|
|
|
canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint);
|
|
|
|
SkPoint chopped[5];
|
|
int cnt = SkChopQuadAtMaxCurvature(controlPts, chopped);
|
|
|
|
for (int c = 0; c < cnt; ++c) {
|
|
SkPoint* pts = chopped + 2 * c;
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
canvas->drawCircle(pts[i], 3.f, choppedPtPaint);
|
|
}
|
|
|
|
SkRect bounds;
|
|
bounds.setBounds(pts, 3);
|
|
|
|
canvas->drawRect(bounds, boundsPaint);
|
|
|
|
GrPathUtils::QuadUVMatrix DevToUV(pts);
|
|
|
|
std::unique_ptr<GrDrawOp> op = BezierQuadTestOp::Make(context, et, bounds,
|
|
kOpaqueBlack, DevToUV);
|
|
renderTargetContext->priv().testingOnly_addDrawOp(std::move(op));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
DEF_GM(return new BezierConicEffects;)
|
|
DEF_GM(return new BezierQuadEffects;)
|
|
}
|