blob: 4f550481bf5d2aa0d9ef401cac45dbea889b8236 [file] [log] [blame]
/*
* 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 "src/gpu/GrPathRenderer.h"
#include "src/gpu/GrSurfaceProxyView.h"
class GrProxyProvider;
/**
* 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:
const char* name() const final { return "SW"; }
GrSoftwarePathRenderer(GrProxyProvider* proxyProvider, bool allowCaching)
: fProxyProvider(proxyProvider)
, fAllowCaching(allowCaching) {
}
static bool GetShapeAndClipBounds(GrSurfaceDrawContext*,
const GrClip* clip,
const GrStyledShape& shape,
const SkMatrix& matrix,
SkIRect* unclippedDevShapeBounds,
SkIRect* clippedDevShapeBounds,
SkIRect* devClipBounds);
private:
static void DrawNonAARect(GrSurfaceDrawContext* surfaceDrawContext,
GrPaint&& paint,
const GrUserStencilSettings& userStencilSettings,
const GrClip* clip,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkMatrix& localMatrix);
static void DrawAroundInvPath(GrSurfaceDrawContext* surfaceDrawContext,
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(GrSurfaceProxyView,
GrSurfaceDrawContext* surfaceDrawContext,
GrPaint&& paint,
const GrUserStencilSettings& userStencilSettings,
const GrClip* clip,
const SkMatrix& viewMatrix,
const SkIPoint& textureOriginInDeviceSpace,
const SkIRect& deviceSpaceRectToDraw);
StencilSupport onGetStencilSupport(const GrStyledShape&) const override {
return GrPathRenderer::kNoSupport_StencilSupport;
}
CanDrawPath onCanDrawPath(const CanDrawPathArgs&) const override;
bool onDrawPath(const DrawPathArgs&) override;
private:
GrProxyProvider* fProxyProvider;
bool fAllowCaching;
using INHERITED = GrPathRenderer;
};
#endif