Fix Y-flipped lighting in accelerated SVG reference filters in CSS. Since the compositor draws all…

cc/gl_renderer.cc

 // Copyright 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/gl_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 404 matching lines @@
     renderer->context()->flush();
 
     ResourceProvider::ScopedWriteLockGL lock(renderer->resourceProvider(), sourceTexture->id());
 
     // Wrap the source texture in a Ganesh platform texture.
     GrBackendTextureDesc backendTextureDescription;
     backendTextureDescription.fWidth = sourceTexture->size().width();
     backendTextureDescription.fHeight = sourceTexture->size().height();
     backendTextureDescription.fConfig = kSkia8888_GrPixelConfig;
     backendTextureDescription.fTextureHandle = lock.textureId();
+    backendTextureDescription.fOrigin = kTopLeft_GrSurfaceOrigin;
     skia::RefPtr<GrTexture> texture = skia::AdoptRef(grContext->wrapBackendTexture(backendTextureDescription));
 
     // Place the platform texture inside an SkBitmap.
     SkBitmap source;
     source.setConfig(SkBitmap::kARGB_8888_Config, sourceTexture->size().width(), sourceTexture->size().height());
     skia::RefPtr<SkGrPixelRef> pixelRef = skia::AdoptRef(new SkGrPixelRef(texture.get()));
     source.setPixelRef(pixelRef.get());
 
     // Create a scratch texture for backing store.
     GrTextureDesc desc;
     desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
     desc.fSampleCnt = 0;
     desc.fWidth = source.width();
     desc.fHeight = source.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
+    desc.fOrigin = kTopLeft_GrSurfaceOrigin;
     GrAutoScratchTexture scratchTexture(grContext, desc, GrContext::kExact_ScratchTexMatch);
     skia::RefPtr<GrTexture> backingStore = skia::AdoptRef(scratchTexture.detach());
 
     // Create a device and canvas using that backing store.
     SkGpuDevice device(grContext, backingStore.get());
     SkCanvas canvas(&device);
 
     // Draw the source bitmap through the filter to the canvas.
     SkPaint paint;
     paint.setImageFilter(filter);
@@ skipping 1361 matching lines @@
 
     releaseRenderPassTextures();
 }
 
 bool GLRenderer::isContextLost()
 {
     return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR);
 }
 
 }  // namespace cc