The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/gpu/gl/GrGLRenderTarget.cpp
gfx/skia/trunk/src/gpu/gl/GrGLRenderTarget.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:996e9355cda5 |
|---|---|
| 1 /* | |
| 2 * Copyright 2011 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "GrGLRenderTarget.h" | |
| 9 | |
| 10 #include "GrGpuGL.h" | |
| 11 | |
| 12 #define GPUGL static_cast<GrGpuGL*>(getGpu()) | |
| 13 | |
| 14 #define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X) | |
| 15 | |
| 16 void GrGLRenderTarget::init(const Desc& desc, | |
| 17 const GrGLIRect& viewport, | |
| 18 GrGLTexID* texID) { | |
| 19 fRTFBOID = desc.fRTFBOID; | |
| 20 fTexFBOID = desc.fTexFBOID; | |
| 21 fMSColorRenderbufferID = desc.fMSColorRenderbufferID; | |
| 22 fViewport = viewport; | |
| 23 fTexIDObj.reset(SkSafeRef(texID)); | |
| 24 } | |
| 25 | |
| 26 namespace { | |
| 27 GrTextureDesc MakeDesc(GrTextureFlags flags, | |
| 28 int width, int height, | |
| 29 GrPixelConfig config, int sampleCnt, | |
| 30 GrSurfaceOrigin origin) { | |
| 31 GrTextureDesc temp; | |
| 32 temp.fFlags = flags; | |
| 33 temp.fWidth = width; | |
| 34 temp.fHeight = height; | |
| 35 temp.fConfig = config; | |
| 36 temp.fSampleCnt = sampleCnt; | |
| 37 temp.fOrigin = origin; | |
| 38 return temp; | |
| 39 } | |
| 40 | |
| 41 }; | |
| 42 | |
| 43 GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu, | |
| 44 const Desc& desc, | |
| 45 const GrGLIRect& viewport, | |
| 46 GrGLTexID* texID, | |
| 47 GrGLTexture* texture) | |
| 48 : INHERITED(gpu, | |
| 49 desc.fIsWrapped, | |
| 50 texture, | |
| 51 MakeDesc(kNone_GrTextureFlags, | |
| 52 viewport.fWidth, viewport.fHeight, | |
| 53 desc.fConfig, desc.fSampleCnt, | |
| 54 desc.fOrigin)) { | |
| 55 SkASSERT(NULL != texID); | |
| 56 SkASSERT(NULL != texture); | |
| 57 // FBO 0 can't also be a texture, right? | |
| 58 SkASSERT(0 != desc.fRTFBOID); | |
| 59 SkASSERT(0 != desc.fTexFBOID); | |
| 60 | |
| 61 // we assume this is true, TODO: get rid of viewport as a param. | |
| 62 SkASSERT(viewport.fWidth == texture->width()); | |
| 63 SkASSERT(viewport.fHeight == texture->height()); | |
| 64 | |
| 65 this->init(desc, viewport, texID); | |
| 66 } | |
| 67 | |
| 68 GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu, | |
| 69 const Desc& desc, | |
| 70 const GrGLIRect& viewport) | |
| 71 : INHERITED(gpu, | |
| 72 desc.fIsWrapped, | |
| 73 NULL, | |
| 74 MakeDesc(kNone_GrTextureFlags, | |
| 75 viewport.fWidth, viewport.fHeight, | |
| 76 desc.fConfig, desc.fSampleCnt, | |
| 77 desc.fOrigin)) { | |
| 78 this->init(desc, viewport, NULL); | |
| 79 } | |
| 80 | |
| 81 void GrGLRenderTarget::onRelease() { | |
| 82 GPUGL->notifyRenderTargetDelete(this); | |
| 83 if (!this->isWrapped()) { | |
| 84 if (fTexFBOID) { | |
| 85 GL_CALL(DeleteFramebuffers(1, &fTexFBOID)); | |
| 86 } | |
| 87 if (fRTFBOID && fRTFBOID != fTexFBOID) { | |
| 88 GL_CALL(DeleteFramebuffers(1, &fRTFBOID)); | |
| 89 } | |
| 90 if (fMSColorRenderbufferID) { | |
| 91 GL_CALL(DeleteRenderbuffers(1, &fMSColorRenderbufferID)); | |
| 92 } | |
| 93 } | |
| 94 fRTFBOID = 0; | |
| 95 fTexFBOID = 0; | |
| 96 fMSColorRenderbufferID = 0; | |
| 97 fTexIDObj.reset(NULL); | |
| 98 INHERITED::onRelease(); | |
| 99 } | |
| 100 | |
| 101 void GrGLRenderTarget::onAbandon() { | |
| 102 fRTFBOID = 0; | |
| 103 fTexFBOID = 0; | |
| 104 fMSColorRenderbufferID = 0; | |
| 105 if (NULL != fTexIDObj.get()) { | |
| 106 fTexIDObj->abandon(); | |
| 107 fTexIDObj.reset(NULL); | |
| 108 } | |
| 109 INHERITED::onAbandon(); | |
| 110 } |
