Texturing support for RECTANGLE textures.

src/gpu/gl/GrGLGpu.cpp

Index: src/gpu/gl/GrGLGpu.cpp
diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 248a5dfbd250e91f45daa974be4f8b8d929324bc..1442c25419d2e82c284897ffaff619afee5bd1ec 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -3491,3 +3491,19 @@ GrGLAttribArrayState* GrGLGpu::HWGeometryState::internalBind(GrGLGpu* gpu,
     }
     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;
+}