blob: 1d561fa4c2b57bad83a7e242d4200f4e5de524fa [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrAAHairLinePathRenderer_DEFINED
#define GrAAHairLinePathRenderer_DEFINED
#include "GrPathRenderer.h"
class GrAAHairLinePathRenderer : public GrPathRenderer {
public:
virtual ~GrAAHairLinePathRenderer();
static GrPathRenderer* Create(GrContext* context);
// GrPathRenderer overrides
virtual bool canDrawPath(const GrDrawTarget::Caps& targetCaps,
const SkPath& path,
GrPathFill fill,
bool antiAlias) const SK_OVERRIDE;
virtual void drawPath(GrDrawTarget::StageBitfield stages) SK_OVERRIDE;
protected:
// GrPathRenderer overrides
virtual void pathWillClear() SK_OVERRIDE;
private:
void resetGeom();
GrAAHairLinePathRenderer(const GrContext* context,
const GrIndexBuffer* fLinesIndexBuffer,
const GrIndexBuffer* fQuadsIndexBuffer);
bool createGeom(GrDrawTarget::StageBitfield stages);
const GrIndexBuffer* fLinesIndexBuffer;
const GrIndexBuffer* fQuadsIndexBuffer;
// have to recreate geometry if stages in use changes :(
GrDrawTarget::StageBitfield fPreviousStages;
int fPreviousRTHeight;
SkVector fPreviousTranslate;
GrIRect fClipRect;
// this path renderer draws everything in device coordinates
GrMatrix fPreviousViewMatrix;
int fLineSegmentCnt;
int fQuadCnt;
typedef GrPathRenderer INHERITED;
};
#endif