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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 GrFBBindableObj_DEFINED
#define GrFBBindableObj_DEFINED
#include "SkTDArray.h"
#include "GrFakeRefObj.h"
////////////////////////////////////////////////////////////////////////////////
// A common base class for render buffers and textures
class GrFBBindableObj : public GrFakeRefObj {
public:
GrFBBindableObj()
: GrFakeRefObj()
, fNumSamples(1) {
}
virtual ~GrFBBindableObj() {
GrAlwaysAssert(0 == fColorReferees.count());
GrAlwaysAssert(0 == fDepthReferees.count());
GrAlwaysAssert(0 == fStencilReferees.count());
}
void setColorBound(GrFakeRefObj *referee) {
fColorReferees.append(1, &referee);
}
void resetColorBound(GrFakeRefObj *referee) {
int index = fColorReferees.find(referee);
GrAlwaysAssert(0 <= index);
fColorReferees.removeShuffle(index);
}
bool getColorBound(GrFakeRefObj *referee) const {
int index = fColorReferees.find(referee);
return 0 <= index;
}
bool getColorBound() const {
return 0 != fColorReferees.count();
}
void setDepthBound(GrFakeRefObj *referee) {
fDepthReferees.append(1, &referee);
}
void resetDepthBound(GrFakeRefObj *referee) {
int index = fDepthReferees.find(referee);
GrAlwaysAssert(0 <= index);
fDepthReferees.removeShuffle(index);
}
bool getDepthBound(GrFakeRefObj *referee) const {
int index = fDepthReferees.find(referee);
return 0 <= index;
}
bool getDepthBound() const {
return 0 != fDepthReferees.count();
}
void setStencilBound(GrFakeRefObj *referee) {
fStencilReferees.append(1, &referee);
}
void resetStencilBound(GrFakeRefObj *referee) {
int index = fStencilReferees.find(referee);
GrAlwaysAssert(0 <= index);
fStencilReferees.removeShuffle(index);
}
bool getStencilBound(GrFakeRefObj *referee) const {
int index = fStencilReferees.find(referee);
return 0 <= index;
}
bool getStencilBound() const {
return 0 != fStencilReferees.count();
}
int numSamples() { return fNumSamples; }
protected:
int fNumSamples;
private:
SkTDArray<GrFakeRefObj *> fColorReferees; // frame buffers that use this as a color buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D")
SkTDArray<GrFakeRefObj *> fDepthReferees; // frame buffers that use this as a depth buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D")
SkTDArray<GrFakeRefObj *> fStencilReferees; // frame buffers that use this as a stencil buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D")
typedef GrFakeRefObj INHERITED;
};
#endif // GrFBBindableObj_DEFINED
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