6d0673042f
https://codereview.appspot.com/6947078/ git-svn-id: http://skia.googlecode.com/svn/trunk@6889 2bbb7eff-a529-9590-31e7-b0007b416f81
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/*
|
|
* 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 GrAARectRenderer_DEFINED
|
|
#define GrAARectRenderer_DEFINED
|
|
|
|
#include "GrRect.h"
|
|
#include "GrRefCnt.h"
|
|
|
|
class GrGpu;
|
|
class GrDrawTarget;
|
|
class GrIndexBuffer;
|
|
|
|
/*
|
|
* This class wraps helper functions that draw AA rects (filled & stroked)
|
|
*/
|
|
class GrAARectRenderer : public GrRefCnt {
|
|
public:
|
|
SK_DECLARE_INST_COUNT(GrAARectRenderer)
|
|
|
|
GrAARectRenderer()
|
|
: fAAFillRectIndexBuffer(NULL)
|
|
, fAAStrokeRectIndexBuffer(NULL) {
|
|
}
|
|
|
|
void reset();
|
|
|
|
~GrAARectRenderer() {
|
|
this->reset();
|
|
}
|
|
|
|
// TODO: potentialy fuse the fill & stroke methods and differentiate
|
|
// btween them by passing in strokeWidth (<0 means fill).
|
|
|
|
// TODO: Remove the useVertexCoverage boolean. Just use it all the time
|
|
// since we now have a coverage vertex attribute
|
|
void fillAARect(GrGpu* gpu,
|
|
GrDrawTarget* target,
|
|
const GrRect& devRect,
|
|
bool useVertexCoverage);
|
|
|
|
void strokeAARect(GrGpu* gpu,
|
|
GrDrawTarget* target,
|
|
const GrRect& devRect,
|
|
const GrVec& devStrokeSize,
|
|
bool useVertexCoverage);
|
|
|
|
private:
|
|
GrIndexBuffer* fAAFillRectIndexBuffer;
|
|
GrIndexBuffer* fAAStrokeRectIndexBuffer;
|
|
|
|
GrIndexBuffer* aaFillRectIndexBuffer(GrGpu* gpu);
|
|
|
|
static int aaStrokeRectIndexCount();
|
|
GrIndexBuffer* aaStrokeRectIndexBuffer(GrGpu* gpu);
|
|
|
|
typedef GrRefCnt INHERITED;
|
|
};
|
|
|
|
#endif // GrAARectRenderer_DEFINED
|