diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/gpu/gl/GrGLRenderTarget.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/gpu/gl/GrGLRenderTarget.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,110 @@
+/*
+ * 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;
+    fTexIDObj.reset(SkSafeRef(texID));
+}
+
+namespace {
+GrTextureDesc MakeDesc(GrTextureFlags flags,
+                       int width, int height,
+                       GrPixelConfig config, int sampleCnt,
+                       GrSurfaceOrigin origin) {
+    GrTextureDesc temp;
+    temp.fFlags = flags;
+    temp.fWidth = width;
+    temp.fHeight = height;
+    temp.fConfig = config;
+    temp.fSampleCnt = sampleCnt;
+    temp.fOrigin = origin;
+    return temp;
+}
+
+};
+
+GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu,
+                                   const Desc& desc,
+                                   const GrGLIRect& viewport,
+                                   GrGLTexID* texID,
+                                   GrGLTexture* texture)
+    : INHERITED(gpu,
+                desc.fIsWrapped,
+                texture,
+                MakeDesc(kNone_GrTextureFlags,
+                         viewport.fWidth, viewport.fHeight,
+                         desc.fConfig, desc.fSampleCnt,
+                         desc.fOrigin)) {
+    SkASSERT(NULL != texID);
+    SkASSERT(NULL != texture);
+    // FBO 0 can't also be a texture, right?
+    SkASSERT(0 != desc.fRTFBOID);
+    SkASSERT(0 != desc.fTexFBOID);
+
+    // we assume this is true, TODO: get rid of viewport as a param.
+    SkASSERT(viewport.fWidth == texture->width());
+    SkASSERT(viewport.fHeight == texture->height());
+
+    this->init(desc, viewport, texID);
+}
+
+GrGLRenderTarget::GrGLRenderTarget(GrGpuGL* gpu,
+                                   const Desc& desc,
+                                   const GrGLIRect& viewport)
+    : INHERITED(gpu,
+                desc.fIsWrapped,
+                NULL,
+                MakeDesc(kNone_GrTextureFlags,
+                         viewport.fWidth, viewport.fHeight,
+                         desc.fConfig, desc.fSampleCnt,
+                         desc.fOrigin)) {
+    this->init(desc, viewport, NULL);
+}
+
+void GrGLRenderTarget::onRelease() {
+    GPUGL->notifyRenderTargetDelete(this);
+    if (!this->isWrapped()) {
+        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;
+    fTexIDObj.reset(NULL);
+    INHERITED::onRelease();
+}
+
+void GrGLRenderTarget::onAbandon() {
+    fRTFBOID                = 0;
+    fTexFBOID               = 0;
+    fMSColorRenderbufferID  = 0;
+    if (NULL != fTexIDObj.get()) {
+        fTexIDObj->abandon();
+        fTexIDObj.reset(NULL);
+    }
+    INHERITED::onAbandon();
+}