Add CONTEXT_TYPE_OPENGLES2_PEPPER

cc/output/delegating_renderer.cc

 // Copyright 2012 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/output/delegating_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 38 matching lines @@
   } else {
     const ContextProvider::Capabilities& caps =
         output_surface_->context_provider()->ContextCapabilities();
 
     DCHECK(!caps.gpu.iosurface || caps.gpu.texture_rectangle);
 
     capabilities_.using_egl_image = caps.gpu.egl_image_external;
     capabilities_.using_image = caps.gpu.image;
 
     capabilities_.allow_rasterize_on_demand = false;
-    capabilities_.max_msaa_samples = caps.gpu.max_samples;
+
+    // If MSAA is slow, we want this renderer to behave as though MSAA is not
+    // available. Set samples to 0 to achieve this.
+    if (caps.gpu.msaa_is_slow)
+      capabilities_.max_msaa_samples = 0;
+    else
+      capabilities_.max_msaa_samples = caps.gpu.max_samples;
   }
 }
 
 DelegatingRenderer::~DelegatingRenderer() {}
 
 const RendererCapabilitiesImpl& DelegatingRenderer::Capabilities() const {
   return capabilities_;
 }
 
 void DelegatingRenderer::DrawFrame(RenderPassList* render_passes_in_draw_order,
@@ skipping 45 matching lines @@
     }
   }
   if (context_provider) {
     // If we are not visible, we ask the context to aggressively free resources.
     context_provider->ContextSupport()->SetAggressivelyFreeResources(
         !visible());
   }
 }
 
 }  // namespace cc