Sample code: IPC Transport object for GPU

content/browser/gpu/gpu_process_host.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/gpu/gpu_process_host.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 691 matching lines @@
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableGpuShaderDiskCache)) {
     CreateChannelCache(client_id);
   }
 }
 
 void GpuProcessHost::CreateViewCommandBuffer(
     const gfx::GLSurfaceHandle& compositing_surface,
     int client_id,
-    const GPUCreateCommandBufferConfig& init_params,
+    const GpuCreateCommandBufferConfig& init_params,
     int route_id,
     const CreateCommandBufferCallback& callback) {
   TRACE_EVENT0("gpu", "GpuProcessHost::CreateViewCommandBuffer");
 
   DCHECK(CalledOnValidThread());
 
   if (!compositing_surface.is_null() &&
       Send(new GpuMsg_CreateViewCommandBuffer(compositing_surface, client_id,
                                               init_params, route_id))) {
     create_command_buffer_requests_.push(callback);
   } else {
     // Could distinguish here between compositing_surface being NULL
     // and Send failing, if desired.
     callback.Run(CREATE_COMMAND_BUFFER_FAILED_AND_CHANNEL_LOST);
   }
 }
 
 void GpuProcessHost::CreateGpuMemoryBuffer(
     gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage,
     int client_id,
     int32_t surface_id,
     const CreateGpuMemoryBufferCallback& callback) {
   TRACE_EVENT0("gpu", "GpuProcessHost::CreateGpuMemoryBuffer");
 
   DCHECK(CalledOnValidThread());
 
-  GpuMsg_CreateGpuMemoryBuffer_Params params;
+  CreateGpuMemoryBufferParams params;
   params.id = id;
   params.size = size;
   params.format = format;
   params.usage = usage;
   params.client_id = client_id;
   params.surface_handle =
       GpuSurfaceTracker::GetInstance()->GetSurfaceHandle(surface_id).handle;
   if (Send(new GpuMsg_CreateGpuMemoryBuffer(params))) {
     create_gpu_memory_buffer_requests_.push(callback);
   } else {
     callback.Run(gfx::GpuMemoryBufferHandle());
   }
 }
 
 void GpuProcessHost::CreateGpuMemoryBufferFromHandle(
     const gfx::GpuMemoryBufferHandle& handle,
     gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     gfx::BufferFormat format,
     int client_id,
     const CreateGpuMemoryBufferCallback& callback) {
   TRACE_EVENT0("gpu", "GpuProcessHost::CreateGpuMemoryBufferFromHandle");
 
   DCHECK(CalledOnValidThread());
 
-  GpuMsg_CreateGpuMemoryBufferFromHandle_Params params;
+  CreateGpuMemoryBufferFromHandleParams params;
   params.handle = handle;
   params.id = id;
   params.size = size;
   params.format = format;
   params.client_id = client_id;
   if (Send(new GpuMsg_CreateGpuMemoryBufferFromHandle(params))) {
     create_gpu_memory_buffer_requests_.push(callback);
   } else {
     callback.Run(gfx::GpuMemoryBufferHandle());
   }
@@ skipping 401 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content