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// Copyright (c) 2009 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 "base/shared_memory.h"
#include "ipc/ipc_message_macros.h"
IPC_BEGIN_MESSAGES(CommandBuffer)
// Initialize a command buffer with the given number of command entries.
// Returns the shared memory handle for the command buffer mapped to the
// calling process.
IPC_SYNC_MESSAGE_ROUTED1_1(CommandBufferMsg_Initialize,
int32 /* size */,
base::SharedMemoryHandle /* ring_buffer */)
// Get the current state of the command buffer, optionally reseting the
// parse error.
IPC_SYNC_MESSAGE_ROUTED0_1(CommandBufferMsg_GetState,
gpu::CommandBuffer::State /* state */)
// Synchronize the put and get offsets of both processes. Caller passes its
// current put offset. Current get offset is returned.
IPC_SYNC_MESSAGE_ROUTED1_1(CommandBufferMsg_Flush,
int32 /* put_offset */,
gpu::CommandBuffer::State /* state */)
// Create a shared memory transfer buffer. Returns an id that can be used to
// identify the transfer buffer from a comment.
IPC_SYNC_MESSAGE_ROUTED1_1(CommandBufferMsg_CreateTransferBuffer,
int32 /* size */,
int32 /* id */)
// Destroy a previously created transfer buffer.
IPC_SYNC_MESSAGE_ROUTED1_0(CommandBufferMsg_DestroyTransferBuffer,
int32 /* id */)
// Get the shared memory handle for a transfer buffer mapped to the callers
// process.
IPC_SYNC_MESSAGE_ROUTED1_2(CommandBufferMsg_GetTransferBuffer,
int32 /* id */,
base::SharedMemoryHandle /* transfer_buffer */,
size_t /* size */)
IPC_END_MESSAGES(CommandBuffer)
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