Implement TextureImageTransportSurface using texture mailbox

content/browser/renderer_host/image_transport_factory_android.cc

 // Copyright (c) 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 "content/browser/renderer_host/image_transport_factory_android.h"
 
 #include "base/memory/singleton.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
+#include "third_party/khronos/GLES2/gl2.h"
 
 using content::BrowserGpuChannelHostFactory;
 
 namespace content {
 
 // static
 ImageTransportFactoryAndroid* ImageTransportFactoryAndroid::GetInstance() {
   return Singleton<ImageTransportFactoryAndroid>::get();
 }
 
@@ skipping 20 matching lines @@
 
 gfx::GLSurfaceHandle ImageTransportFactoryAndroid::CreateSharedSurfaceHandle() {
   if (!context_->makeContextCurrent()) {
     NOTREACHED() << "Failed to make shared graphics context current";
     return gfx::GLSurfaceHandle();
   }
 
   gfx::GLSurfaceHandle handle = gfx::GLSurfaceHandle(
       gfx::kNullPluginWindow, true);
   handle.parent_gpu_process_id = context_->GetGPUProcessID();
-  handle.parent_client_id = context_->GetChannelID();
-  handle.parent_context_id = context_->GetContextID();
-  handle.parent_texture_id[0] = context_->createTexture();
-  handle.parent_texture_id[1] = context_->createTexture();
-  handle.sync_point = context_->insertSyncPoint();
   context_->flush();
   return handle;
 }
 
 void ImageTransportFactoryAndroid::DestroySharedSurfaceHandle(
     const gfx::GLSurfaceHandle& handle) {
   if (!context_->makeContextCurrent()) {
     NOTREACHED() << "Failed to make shared graphics context current";
     return;
   }
-
-  context_->deleteTexture(handle.parent_texture_id[0]);
-  context_->deleteTexture(handle.parent_texture_id[1]);
-  context_->finish();
 }
 
 uint32_t ImageTransportFactoryAndroid::InsertSyncPoint() {
   return context_->insertSyncPoint();
 }
 
+uint32_t ImageTransportFactoryAndroid::CreateTexture() {
+  return context_->createTexture();
+}
+
+void ImageTransportFactoryAndroid::DeleteTexture(uint32_t id) {
+  context_->deleteTexture(id);
+}
+
+void ImageTransportFactoryAndroid::AcquireTexture(
+    uint32 texture_id, const signed char* mailbox_name) {
+  context_->bindTexture(GL_TEXTURE_2D, texture_id);
+  context_->consumeTextureCHROMIUM(GL_TEXTURE_2D, mailbox_name);
+}
+
+void ImageTransportFactoryAndroid::ReleaseTexture(
+    uint32 texture_id, const signed char* mailbox_name) {
+  context_->bindTexture(GL_TEXTURE_2D, texture_id);
+  context_->produceTextureCHROMIUM(GL_TEXTURE_2D, mailbox_name);
+}
+
 WebGraphicsContext3DCommandBufferImpl*
 ImageTransportFactoryAndroid::GetContext3D() {
   return context_.get();
 }
 
 }  // namespace content