chromium/third_party/skia/src/gpu/ganesh/ops/PathInnerTriangulateOp.cpp

/*
 * 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 "src/gpu/ganesh/ops/PathInnerTriangulateOp.h"

#include "include/core/SkPathTypes.h"
#include "include/core/SkString.h"
#include "include/gpu/ganesh/GrRecordingContext.h"
#include "include/private/base/SkAlignedStorage.h"
#include "include/private/base/SkOnce.h"
#include "src/base/SkArenaAlloc.h"
#include "src/core/SkSLTypeShared.h"
#include "src/gpu/ResourceKey.h"
#include "src/gpu/ganesh/GrAppliedClip.h"
#include "src/gpu/ganesh/GrEagerVertexAllocator.h"
#include "src/gpu/ganesh/GrGeometryProcessor.h"
#include "src/gpu/ganesh/GrOpFlushState.h"
#include "src/gpu/ganesh/GrPipeline.h"
#include "src/gpu/ganesh/GrProcessorAnalysis.h"
#include "src/gpu/ganesh/GrProgramInfo.h"
#include "src/gpu/ganesh/GrRecordingContextPriv.h"
#include "src/gpu/ganesh/GrRenderTargetProxy.h"
#include "src/gpu/ganesh/GrResourceProvider.h"
#include "src/gpu/ganesh/GrShaderCaps.h"
#include "src/gpu/ganesh/GrShaderVar.h"
#include "src/gpu/ganesh/GrSurfaceProxyView.h"
#include "src/gpu/ganesh/GrUserStencilSettings.h"
#include "src/gpu/ganesh/glsl/GrGLSLVertexGeoBuilder.h"
#include "src/gpu/ganesh/ops/FillPathFlags.h"
#include "src/gpu/ganesh/tessellate/GrPathTessellationShader.h"
#include "src/gpu/ganesh/tessellate/PathTessellator.h"
#include "src/gpu/tessellate/Tessellation.h"

#include <memory>

class GrGLSLVaryingHandler;

namespace skgpu {
class KeyBuilder;
}

usingnamespaceskia_private;

#if !defined(SK_ENABLE_OPTIMIZE_SIZE)

namespace skgpu::ganesh {

namespace {

// Fills an array of convex hulls surrounding 4-point cubic or conic instances. This shader is used
// for the "cover" pass after the curves have been fully stencilled.
class HullShader : public GrPathTessellationShader { … };

std::unique_ptr<GrGeometryProcessor::ProgramImpl> HullShader::makeProgramImpl(
        const GrShaderCaps&) const { … }

}  // anonymous namespace

void PathInnerTriangulateOp::visitProxies(const GrVisitProxyFunc& func) const { … }

GrDrawOp::FixedFunctionFlags PathInnerTriangulateOp::fixedFunctionFlags() const { … }

GrProcessorSet::Analysis PathInnerTriangulateOp::finalize(const GrCaps& caps,
                                                          const GrAppliedClip* clip,
                                                          GrClampType clampType) { … }

void PathInnerTriangulateOp::pushFanStencilProgram(const GrTessellationShader::ProgramArgs& args,
                                                   const GrPipeline* pipelineForStencils,
                                                   const GrUserStencilSettings* stencil) { … }

void PathInnerTriangulateOp::pushFanFillProgram(const GrTessellationShader::ProgramArgs& args,
                                                const GrUserStencilSettings* stencil) { … }

void PathInnerTriangulateOp::prePreparePrograms(const GrTessellationShader::ProgramArgs& args,
                                                GrAppliedClip&& appliedClip) { … }

void PathInnerTriangulateOp::onPrePrepare(GrRecordingContext* context,
                                          const GrSurfaceProxyView& writeView,
                                          GrAppliedClip* clip,
                                          const GrDstProxyView& dstProxyView,
                                          GrXferBarrierFlags renderPassXferBarriers,
                                          GrLoadOp colorLoadOp) { … }

SKGPU_DECLARE_STATIC_UNIQUE_KEY(gHullVertexBufferKey);

void PathInnerTriangulateOp::onPrepare(GrOpFlushState* flushState) { … }

void PathInnerTriangulateOp::onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) { … }

}  // namespace skgpu::ganesh

#endif // SK_ENABLE_OPTIMIZE_SIZE