chromium/third_party/skia/src/gpu/ganesh/ops/TessellationPathRenderer.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/TessellationPathRenderer.h"

#include "include/core/SkMatrix.h"
#include "include/core/SkPath.h"
#include "include/core/SkRect.h"
#include "include/core/SkStrokeRec.h"
#include "include/private/base/SkAssert.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/base/SkMathPriv.h"
#include "src/gpu/ganesh/GrCaps.h"
#include "src/gpu/ganesh/GrClip.h"
#include "src/gpu/ganesh/GrPaint.h"
#include "src/gpu/ganesh/GrRenderTargetProxy.h"
#include "src/gpu/ganesh/GrStyle.h"
#include "src/gpu/ganesh/GrSurfaceProxy.h"
#include "src/gpu/ganesh/GrUserStencilSettings.h"
#include "src/gpu/ganesh/SurfaceDrawContext.h"
#include "src/gpu/ganesh/effects/GrDisableColorXP.h"
#include "src/gpu/ganesh/geometry/GrStyledShape.h"
#include "src/gpu/ganesh/ops/FillPathFlags.h"
#include "src/gpu/ganesh/ops/GrOp.h"
#include "src/gpu/ganesh/ops/PathInnerTriangulateOp.h"
#include "src/gpu/ganesh/ops/PathStencilCoverOp.h"
#include "src/gpu/ganesh/ops/PathTessellateOp.h"
#include "src/gpu/ganesh/ops/StrokeTessellateOp.h"
#include "src/gpu/tessellate/Tessellation.h"
#include "src/gpu/tessellate/WangsFormula.h"

#include <utility>

class GrRecordingContext;
class SkArenaAlloc;

namespace {

usingnamespaceskgpu::tess;

GrOp::Owner make_non_convex_fill_op(GrRecordingContext* rContext,
                                    SkArenaAlloc* arena,
                                    skgpu::ganesh::FillPathFlags fillPathFlags,
                                    GrAAType aaType,
                                    const SkRect& drawBounds,
                                    const SkIRect& clipBounds,
                                    const SkMatrix& viewMatrix,
                                    const SkPath& path,
                                    GrPaint&& paint) { … }

} // anonymous namespace

namespace skgpu::ganesh {

namespace {

// `chopped_path` may be null, in which case no chopping actually happens. Returns true on success,
// false on failure (chopping not allowed).
bool ChopPathIfNecessary(const SkMatrix& viewMatrix,
                         const GrStyledShape& shape,
                         const SkIRect& clipConservativeBounds,
                         const SkStrokeRec& stroke,
                         SkPath* chopped_path) { … }

} // anonymous namespace

bool TessellationPathRenderer::IsSupported(const GrCaps& caps) { … }

PathRenderer::StencilSupport TessellationPathRenderer::onGetStencilSupport(
        const GrStyledShape& shape) const { … }

PathRenderer::CanDrawPath TessellationPathRenderer::onCanDrawPath(
        const CanDrawPathArgs& args) const { … }

bool TessellationPathRenderer::onDrawPath(const DrawPathArgs& args) { … }

void TessellationPathRenderer::onStencilPath(const StencilPathArgs& args) { … }

}  // namespace skgpu::ganesh