If a layer contains a filter, flush the compositor context before the filter

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 "config.h"
 
 #include "cc/gl_renderer.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 630 matching lines @@
         GLC(context(), context()->uniform3fv(shaderEdgeLocation, 8, edge));
     }
 
     // Map device space quad to surface space. contentsDeviceTransform has no 3d component since it was generated with to2dTransform() so we don't need to project.
     gfx::QuadF surfaceQuad = MathUtil::mapQuad(contentsDeviceTransformInverse, deviceLayerEdges.ToQuadF(), clipped);
     DCHECK(!clipped);
 
     setShaderOpacity(quad->opacity(), shaderAlphaLocation);
     setShaderQuadF(surfaceQuad, shaderQuadLocation);
     drawQuadGeometry(frame, quad->quadTransform(), quad->quadRect(), shaderMatrixLocation);
+
+    // Flush the compositor context before the filter bitmap goes out of
+    // scope, so the draw gets processed before the filter texture gets deleted.
+    if (filterBitmap.getTexture())
+        m_context->flush();
 }
 
 void GLRenderer::drawSolidColorQuad(const DrawingFrame& frame, const SolidColorDrawQuad* quad)
 {
     const SolidColorProgram* program = solidColorProgram();
     GLC(context(), context()->useProgram(program->program()));
 
     SkColor color = quad->color();
     float opacity = quad->opacity();
     float alpha = (SkColorGetA(color) / 255.0) * opacity;
@@ skipping 948 matching lines @@
 
     releaseRenderPassTextures();
 }
 
 bool GLRenderer::isContextLost()
 {
     return (m_context->getGraphicsResetStatusARB() != GL_NO_ERROR);
 }
 
 }  // namespace cc