Texturing support for RECTANGLE textures.

src/gpu/gl/GrGLGpu.cpp

 /*
  * 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 "GrGLGpu.h"
 #include "GrGLGLSL.h"
@@ skipping 3473 matching lines @@
             this->setVertexArrayID(gpu, 0);
         }
         int attrCount = gpu->glCaps().maxVertexAttributes();
         if (fDefaultVertexArrayAttribState.count() != attrCount) {
             fDefaultVertexArrayAttribState.resize(attrCount);
         }
         attribState = &fDefaultVertexArrayAttribState;
     }
     return attribState;
 }
+
+bool GrGLGpu::onMakeCopyForTextureParams(GrTexture* texture, const GrTextureParams& textureParams,
+                                         GrTextureProducer::CopyParams* copyParams) const {
+    if (textureParams.isTiled() ||
+        GrTextureParams::kMipMap_FilterMode == textureParams.filterMode()) {
+        GrGLTexture* glTexture = static_cast<GrGLTexture*>(texture);
+        if (GR_GL_TEXTURE_EXTERNAL == glTexture->target() ||
+            GR_GL_TEXTURE_RECTANGLE == glTexture->target()) {
+            copyParams->fFilter = GrTextureParams::kNone_FilterMode;
+            copyParams->fWidth = texture->width();
+            copyParams->fHeight = texture->height();
+            return true;
+        }
+    }
+    return false;
+}