Add support for reading non-rendertarget textures.

src/gpu/GrAtlas.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 "GrAtlas.h"
 #include "GrContext.h"
@@ skipping 159 matching lines @@
     // If the above fails, then either we have no starting plot, or the current
     // plot list is full. Either way we need to allocate a new plot
     GrPlot* newPlot = this->allocPlot();
     if (NULL == newPlot) {
         return NULL;
     }
 
     if (NULL == fTexture) {
         // TODO: Update this to use the cache rather than directly creating a texture.
         GrTextureDesc desc;
-#ifdef SK_DEVELOPER
-        // RenderTarget so we can read the pixels to dump them
-        // TODO: Fix to support RT
-        desc.fFlags = kDynamicUpdate_GrTextureFlagBit;//|kRenderTarget_GrTextureFlagBit;
-                                                      //|kNoStencil_GrTextureFlagBit;
-#else
         desc.fFlags = kDynamicUpdate_GrTextureFlagBit;
-#endif
         desc.fWidth = GR_ATLAS_TEXTURE_WIDTH;
         desc.fHeight = GR_ATLAS_TEXTURE_HEIGHT;
         desc.fConfig = fPixelConfig;
 
         fTexture = fGpu->createTexture(desc, NULL, 0);
         if (NULL == fTexture) {
             return NULL;
         }
     }
     // be sure to set texture for fast lookup
@@ skipping 61 matching lines @@
 
     plot->fRects->reset();
     plot->fNext = fFreePlots;
     fFreePlots = plot;
 
 #ifdef SK_DEBUG
     --gCounter;
 //    GrPrintf("~GrPlot %p [%d %d] %d\n", this, plot->fOffset.fX, plot->fOffset.fY, gCounter);
 #endif
 }