[Pepper][Compositor] Fix the compositor stops updating texture issue.

content/renderer/pepper/pepper_compositor_host.cc

 // Copyright 2014 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 "content/renderer/pepper/pepper_compositor_host.h"
 
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
@@ skipping 240 matching lines @@
         static_cast<cc::TextureLayer*>(layer.get()));
     if (!old_layer ||
         new_layer->common.resource_id != old_layer->common.resource_id) {
       cc::TextureMailbox mailbox(new_layer->texture->mailbox,
                                  new_layer->texture->target,
                                  new_layer->texture->sync_point);
       texture_layer->SetTextureMailbox(mailbox,
           cc::SingleReleaseCallback::Create(
               base::Bind(&PepperCompositorHost::ResourceReleased,
                          weak_factory_.GetWeakPtr(),
-                         new_layer->common.resource_id)));;
+                         new_layer->common.resource_id)));
+      texture_layer->SetNeedsDisplay();

[danakj, 2014/09/25 20:25:20]

Can you add a TODO that you should get a damage region from the application and
propagate that here?

[Peng, 2014/09/25 20:37:52]

Done.

     }
     texture_layer->SetPremultipliedAlpha(new_layer->texture->premult_alpha);
     gfx::RectF rect = PP_ToGfxRectF(new_layer->texture->source_rect);
     texture_layer->SetUV(rect.origin(), rect.bottom_right());
     return;
   }
 
   if (new_layer->image) {
     if (!old_layer ||
         new_layer->common.resource_id != old_layer->common.resource_id) {
@@ skipping 11 matching lines @@
       DCHECK_EQ(desc.format, PP_IMAGEDATAFORMAT_RGBA_PREMUL);
 
       cc::TextureMailbox mailbox(image_shm.get(),
                                  PP_ToGfxSize(desc.size));
       image_layer->SetTextureMailbox(mailbox,
           cc::SingleReleaseCallback::Create(
               base::Bind(&PepperCompositorHost::ImageReleased,
                          weak_factory_.GetWeakPtr(),
                          new_layer->common.resource_id,
                          base::Passed(&image_shm))));
+      image_layer->SetNeedsDisplay();

[danakj, 2014/09/25 20:25:20]

Can you add a TODO that you should get a damage region from the application and
propagate that here?

[Peng, 2014/09/25 20:37:52]

Done.

 
       // ImageData is always premultiplied alpha.
       image_layer->SetPremultipliedAlpha(true);
     }
     return;
   }
   // Should not be reached.
   NOTREACHED();
 }
 
@@ skipping 73 matching lines @@
 
   // If the host is not bound to the instance, return PP_OK immediately.
   if (!bound_instance_)
     return PP_OK;
 
   commit_layers_reply_context_ = context->MakeReplyMessageContext();
   return PP_OK_COMPLETIONPENDING;
 }
 
 }  // namespace content