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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGLRenderTarget.h"
#include "GrGpuGL.h"
#define GPUGL static_cast<GrGpuGL*>(getGpu())
#define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X)
void GrGLRenderTarget::init(const Desc& desc,
const GrGLIRect& viewport,
GrGLTexID* texID) {
fRTFBOID = desc.fRTFBOID;
fTexFBOID = desc.fTexFBOID;
fMSColorRenderbufferID = desc.fMSColorRenderbufferID;
fViewport = viewport;
fOwnIDs = desc.fOwnIDs;
fTexIDObj = texID;
GrSafeRef(fTexIDObj);
}
GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu,
const Desc& desc,
const GrGLIRect& viewport,
GrGLTexID* texID,
GrGLTexture* texture)
: INHERITED(gpu,
texture,
viewport.fWidth,
viewport.fHeight,
texture->allocatedWidth(),
texture->allocatedHeight(),
desc.fConfig,
desc.fSampleCnt) {
GrAssert(NULL != texID);
GrAssert(NULL != texture);
// FBO 0 can't also be a texture, right?
GrAssert(0 != desc.fRTFBOID);
GrAssert(0 != desc.fTexFBOID);
this->init(desc, viewport, texID);
}
GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu,
const Desc& desc,
const GrGLIRect& viewport)
: INHERITED(gpu,
NULL,
viewport.fWidth,
viewport.fHeight,
viewport.fWidth, // don't really need separate alloc w/h for
viewport.fHeight, // non-texture RTs, repeat viewport values
desc.fConfig,
desc.fSampleCnt) {
this->init(desc, viewport, NULL);
}
void GrGLRenderTarget::onRelease() {
GPUGL->notifyRenderTargetDelete(this);
if (fOwnIDs) {
if (fTexFBOID) {
GL_CALL(DeleteFramebuffers(1, &fTexFBOID));
}
if (fRTFBOID && fRTFBOID != fTexFBOID) {
GL_CALL(DeleteFramebuffers(1, &fRTFBOID));
}
if (fMSColorRenderbufferID) {
GL_CALL(DeleteRenderbuffers(1, &fMSColorRenderbufferID));
}
}
fRTFBOID = 0;
fTexFBOID = 0;
fMSColorRenderbufferID = 0;
GrSafeUnref(fTexIDObj);
fTexIDObj = NULL;
this->setStencilBuffer(NULL);
}
void GrGLRenderTarget::onAbandon() {
fRTFBOID = 0;
fTexFBOID = 0;
fMSColorRenderbufferID = 0;
if (NULL != fTexIDObj) {
fTexIDObj->abandon();
fTexIDObj = NULL;
}
this->setStencilBuffer(NULL);
}
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