gpu: Compositor management of GpuMemoryBuffer instances.

content/common/gpu/gpu_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <string>
 #include <vector>
 
@@ skipping 248 matching lines @@
                      gfx::GLSurfaceHandle, /* compositing_surface */
                      int32, /* surface_id */
                      int32, /* client_id */
                      GPUCreateCommandBufferConfig, /* init_params */
                      int32 /* route_id */)
 
 // Tells the GPU process to create a new gpu memory buffer for |handle|.
 IPC_MESSAGE_CONTROL4(GpuMsg_CreateGpuMemoryBuffer,
                      gfx::GpuMemoryBufferHandle, /* handle */
                      gfx::Size, /* size */
-                     unsigned, /* internalformat */
-                     unsigned /* usage */)
+                     gfx::GpuMemoryBuffer::Format, /* format */
+                     gfx::GpuMemoryBuffer::Usage /* usage */)
 
 // Tells the GPU process to destroy buffer.
 IPC_MESSAGE_CONTROL2(GpuMsg_DestroyGpuMemoryBuffer,
                      gfx::GpuMemoryBufferHandle, /* handle */
                      int32 /* sync_point */)
 
 // Tells the GPU process to create a context for collecting graphics card
 // information.
 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 
@@ skipping 303 matching lines @@
 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
                     uint32 /* signal_id */)
 
 // Makes this command buffer signal when a query is reached, by sending
 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 // signal_id.
 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
                     uint32 /* query */,
                     uint32 /* signal_id */)
 
-// Register an existing gpu memory buffer. The id that can be
-// used to identify the gpu memory buffer from a command buffer.
-IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer,
+// Create an image from an existing gpu memory buffer. The id that can be
+// used to identify the image from a command buffer.
+IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_CreateImage,
                     int32 /* id */,
                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
-                    uint32 /* width */,
-                    uint32 /* height */,
+                    gfx::Size /* size */,
+                    gfx::GpuMemoryBuffer::Format /* format */,
                     uint32 /* internalformat */)
 
-// Unregister a previously registered gpu memory buffer.
-IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_UnregisterGpuMemoryBuffer,
+// Destroy a previously created image.
+IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage,
                     int32 /* id */)
 
 // Attaches an external image stream to the client texture.
 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
                            uint32, /* client_texture_id */
                            int32, /* stream_id */
                            bool /* succeeded */)
 
 //------------------------------------------------------------------------------
 // Accelerated Video Decoder Messages
@@ skipping 109 matching lines @@
                     int32 /* bitstream_buffer_id */,
                     uint32 /* payload_size */,
                     bool /* key_frame */)
 
 // Report error condition.
 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
                     media::VideoEncodeAccelerator::Error /* error */)
 
 // Send destroy request to the encoder.
 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)