Workaround for bug in Tegra 3 when uploading to a render target

src/gpu/GrGpu.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpu.h"
 
@@ skipping 262 matching lines @@
                                WritePixelTempDrawInfo* tempDrawInfo) {
     SkASSERT(drawPreference);
     SkASSERT(tempDrawInfo);
     SkASSERT(kGpuPrefersDraw_DrawPreference != *drawPreference);
 
     if (GrPixelConfigIsCompressed(dstSurface->desc().fConfig) &&
         dstSurface->desc().fConfig != srcConfig) {
         return false;
     }
 
-    if (this->caps()->useDrawInsteadOfPartialRenderTargetWrite() &&
-        SkToBool(dstSurface->asRenderTarget()) &&
-        (width < dstSurface->width() || height < dstSurface->height())) {
-        ElevateDrawPreference(drawPreference, kRequireDraw_DrawPreference);
+    if (SkToBool(dstSurface->asRenderTarget())) {
+        if (this->caps()->useDrawInsteadOfAllRenderTargetWrites()) {
+            ElevateDrawPreference(drawPreference, kRequireDraw_DrawPreference);
+        } else if (this->caps()->useDrawInsteadOfPartialRenderTargetWrite() &&
+                   (width < dstSurface->width() || height < dstSurface->height())) {
+            ElevateDrawPreference(drawPreference, kRequireDraw_DrawPreference);
+        }
     }
 
     if (!this->onGetWritePixelsInfo(dstSurface, width, height, rowBytes, srcConfig, drawPreference,
                                     tempDrawInfo)) {
         return false;
     }
 
     // Check to see if we're going to request that the caller draw when drawing is not possible.
     if (!dstSurface->asRenderTarget() ||
         !this->caps()->isConfigTexturable(tempDrawInfo->fTempSurfaceDesc.fConfig)) {
@@ skipping 81 matching lines @@
     }
 
     GrVertices::Iterator iter;
     const GrNonInstancedVertices* verts = iter.init(vertices);
     do {
         this->onDraw(args, *verts);
         fStats.incNumDraws();
     } while ((verts = iter.next()));
 }