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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrSoftwarePathRenderer_DEFINED
#define GrSoftwarePathRenderer_DEFINED
#include "GrPathRenderer.h"
class GrResourceProvider;
/**
* This class uses the software side to render a path to an SkBitmap and
* then uploads the result to the gpu
*/
class GrSoftwarePathRenderer : public GrPathRenderer {
public:
GrSoftwarePathRenderer(GrResourceProvider* resourceProvider, bool allowCaching)
: fResourceProvider(resourceProvider)
, fAllowCaching(allowCaching) {}
private:
static void DrawNonAARect(GrRenderTargetContext* renderTargetContext,
GrPaint&& paint,
const GrUserStencilSettings& userStencilSettings,
const GrClip& clip,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkMatrix& localMatrix);
static void DrawAroundInvPath(GrRenderTargetContext* renderTargetContext,
GrPaint&& paint,
const GrUserStencilSettings& userStencilSettings,
const GrClip& clip,
const SkMatrix& viewMatrix,
const SkIRect& devClipBounds,
const SkIRect& devPathBounds);
// This utility draws a path mask using a provided paint. The rectangle is drawn in device
// space. The 'viewMatrix' will be used to ensure the correct local coords are provided to
// any fragment processors in the paint.
static void DrawToTargetWithShapeMask(sk_sp<GrTextureProxy> proxy,
GrRenderTargetContext* renderTargetContext,
GrPaint&& paint,
const GrUserStencilSettings& userStencilSettings,
const GrClip& clip,
const SkMatrix& viewMatrix,
const SkIPoint& textureOriginInDeviceSpace,
const SkIRect& deviceSpaceRectToDraw);
StencilSupport onGetStencilSupport(const GrShape&) const override {
return GrPathRenderer::kNoSupport_StencilSupport;
}
CanDrawPath onCanDrawPath(const CanDrawPathArgs&) const override;
bool onDrawPath(const DrawPathArgs&) override;
private:
GrResourceProvider* fResourceProvider;
bool fAllowCaching;
typedef GrPathRenderer INHERITED;
};
#endif
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