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* Copyright 2014 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkPictureShader_DEFINED
#define SkPictureShader_DEFINED
#include "include/core/SkTileMode.h"
#include "src/shaders/SkShaderBase.h"
#include <atomic>
class SkArenaAlloc;
class SkBitmap;
class SkPicture;
* An SkPictureShader can be used to draw SkPicture-based patterns.
* The SkPicture is first rendered into a tile, which is then used to shade the area according
* to specified tiling rules.
class SkPictureShader : public SkShaderBase {
static sk_sp<SkShader> Make(sk_sp<SkPicture>, SkTileMode, SkTileMode, SkFilterMode,
const SkMatrix*, const SkRect*);
#if defined(SK_GANESH)
std::unique_ptr<GrFragmentProcessor> asFragmentProcessor(const GrFPArgs&,
const MatrixRec&) const override;
#if defined(SK_GRAPHITE)
void addToKey(const skgpu::graphite::KeyContext&,
skgpu::graphite::PipelineDataGatherer*) const override;
SkPictureShader(sk_sp<SkPicture>, SkTileMode, SkTileMode, SkFilterMode, const SkRect*);
void flatten(SkWriteBuffer&) const override;
bool appendStages(const SkStageRec&, const MatrixRec&) const override;
#if defined(SK_ENABLE_SKVM)
skvm::Color program(skvm::Builder*,
skvm::Coord device,
skvm::Coord local,
skvm::Color paint,
const MatrixRec&,
const SkColorInfo& dst,
skvm::Uniforms* uniforms,
SkArenaAlloc* alloc) const override;
Context* onMakeContext(const ContextRec&, SkArenaAlloc*) const override;
sk_sp<SkShader> rasterShader(const SkMatrix&,
SkColorType dstColorType,
SkColorSpace* dstColorSpace,
const SkSurfaceProps& props) const;
sk_sp<SkPicture> fPicture;
SkRect fTile;
SkTileMode fTmx, fTmy;
SkFilterMode fFilter;
using INHERITED = SkShaderBase;
#endif // SkPictureShader_DEFINED