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// 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 <stdint.h>
#include <string>
#include <vector>
#include "base/memory/shared_memory.h"
#include "base/unguessable_token.h"
#include "build/build_config.h"
#include "gpu/command_buffer/common/capabilities.h"
#include "gpu/command_buffer/common/command_buffer.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/common/gpu_memory_allocation.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "gpu/command_buffer/common/texture_in_use_response.h"
#include "gpu/config/gpu_info.h"
#include "gpu/gpu_export.h"
#include "gpu/ipc/common/gpu_command_buffer_traits.h"
#include "gpu/ipc/common/gpu_param_traits.h"
#include "gpu/ipc/common/surface_handle.h"
#include "ipc/ipc_channel_handle.h"
#include "ipc/ipc_message_macros.h"
#include "ui/events/ipc/latency_info_param_traits.h"
#include "ui/events/latency_info.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/ipc/geometry/gfx_param_traits.h"
#include "ui/gfx/ipc/gfx_param_traits.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/swap_result.h"
#include "url/ipc/url_param_traits.h"
#if defined(OS_ANDROID)
#include "gpu/ipc/common/android/surface_texture_peer.h"
#elif defined(OS_MACOSX)
#include "ui/base/cocoa/remote_layer_api.h"
#include "ui/gfx/mac/io_surface.h"
#endif
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT GPU_EXPORT
#define IPC_MESSAGE_START GpuChannelMsgStart
IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
IPC_STRUCT_MEMBER(int32_t, id)
IPC_STRUCT_MEMBER(std::string, message)
IPC_STRUCT_END()
IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
IPC_STRUCT_MEMBER(gpu::SurfaceHandle, surface_handle)
IPC_STRUCT_MEMBER(int32_t, share_group_id)
IPC_STRUCT_MEMBER(int32_t, stream_id)
IPC_STRUCT_MEMBER(gpu::GpuStreamPriority, stream_priority)
IPC_STRUCT_MEMBER(gpu::gles2::ContextCreationAttribHelper, attribs)
IPC_STRUCT_MEMBER(GURL, active_url)
IPC_STRUCT_END()
IPC_STRUCT_BEGIN(GpuCommandBufferMsg_CreateImage_Params)
IPC_STRUCT_MEMBER(int32_t, id)
IPC_STRUCT_MEMBER(gfx::GpuMemoryBufferHandle, gpu_memory_buffer)
IPC_STRUCT_MEMBER(gfx::Size, size)
IPC_STRUCT_MEMBER(gfx::BufferFormat, format)
IPC_STRUCT_MEMBER(uint32_t, internal_format)
IPC_STRUCT_MEMBER(uint64_t, image_release_count)
IPC_STRUCT_END()
IPC_STRUCT_BEGIN(GpuCommandBufferMsg_SwapBuffersCompleted_Params)
#if defined(OS_MACOSX)
// Mac-specific parameters used to present CALayers hosted in the GPU process.
// TODO(ccameron): Remove these parameters once the CALayer tree is hosted in
// the browser process.
// https://crbug.com/604052
// Only one of ca_context_id or io_surface may be non-0.
IPC_STRUCT_MEMBER(CAContextID, ca_context_id)
IPC_STRUCT_MEMBER(bool, fullscreen_low_power_ca_context_valid)
IPC_STRUCT_MEMBER(CAContextID, fullscreen_low_power_ca_context_id)
IPC_STRUCT_MEMBER(gfx::ScopedRefCountedIOSurfaceMachPort, io_surface)
IPC_STRUCT_MEMBER(gfx::Size, pixel_size)
IPC_STRUCT_MEMBER(float, scale_factor)
IPC_STRUCT_MEMBER(gpu::TextureInUseResponses, in_use_responses)
#endif
IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
IPC_STRUCT_MEMBER(gfx::SwapResult, result)
IPC_STRUCT_END()
//------------------------------------------------------------------------------
// GPU Channel Messages
// These are messages from a renderer process to the GPU process.
// Tells the GPU process to create a new command buffer. A corresponding
// GpuCommandBufferStub is created. if |surface_handle| is non-null, |size| is
// ignored, and it will render directly to the native surface (only the browser
// process is allowed to create those). Otherwise it will create an offscreen
// backbuffer of dimensions |size|.
IPC_SYNC_MESSAGE_CONTROL3_2(GpuChannelMsg_CreateCommandBuffer,
GPUCreateCommandBufferConfig /* init_params */,
int32_t /* route_id */,
base::SharedMemoryHandle /* shared_state */,
bool /* result */,
gpu::Capabilities /* capabilities */)
// The CommandBufferProxy sends this to the GpuCommandBufferStub in its
// destructor, so that the stub deletes the actual CommandBufferService
// object that it's hosting.
IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
int32_t /* instance_id */)
// Simple NOP message which can be used as fence to ensure all previous sent
// messages have been received.
IPC_SYNC_MESSAGE_CONTROL0_0(GpuChannelMsg_Nop)
// Retrieve the current list of gpu driver workarounds effectively running on
// the gpu process.
IPC_SYNC_MESSAGE_CONTROL0_1(GpuChannelMsg_GetDriverBugWorkArounds,
std::vector<std::string> /* workarounds */)
#if defined(OS_ANDROID)
//------------------------------------------------------------------------------
// Stream Texture Messages
// Tells the GPU process create and send the java surface texture object to
// the renderer process through the binder thread.
IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
int32_t, /* primary_id */
int32_t /* secondary_id */)
// Tells the StreamTexture to send its SurfaceTexture to the browser process,
// via the ScopedSurfaceRequestConduit.
IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_ForwardForSurfaceRequest,
base::UnguessableToken)
// Tells the GPU process to set the size of StreamTexture from the given
// stream Id.
IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize, gfx::Size /* size */)
// Tells the service-side instance to start sending frame available
// notifications.
IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
// Inform the renderer that a new frame is available.
IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
#endif
//------------------------------------------------------------------------------
// GPU Command Buffer Messages
// These are messages between a renderer process to the GPU process relating to
// a single OpenGL context.
// Sets the shared memory buffer used for commands.
IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
int32_t /* shm_id */)
// Takes the front buffer into a mailbox. This allows another context to draw
// the output of this context.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_TakeFrontBuffer,
gpu::Mailbox /* mailbox */)
// Returns a front buffer taken with GpuCommandBufferMsg_TakeFrontBuffer. This
// allows it to be reused.
IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_ReturnFrontBuffer,
gpu::Mailbox /* mailbox */,
bool /* is_lost */)
// Wait until the token is in a specific range, inclusive.
IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
int32_t /* start */,
int32_t /* end */,
gpu::CommandBuffer::State /* state */)
// Wait until the get offset is in a specific range, inclusive.
IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
int32_t /* start */,
int32_t /* end */,
gpu::CommandBuffer::State /* state */)
// Asynchronously synchronize the put and get offsets of both processes.
// Caller passes its current put offset. Current state (including get offset)
// is returned in shared memory. The input latency info for the current
// frame is also sent to the GPU process.
IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_AsyncFlush,
int32_t /* put_offset */,
uint32_t /* flush_count */,
std::vector<ui::LatencyInfo> /* latency_info */)
// Sent by the GPU process to display messages in the console.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
GPUCommandBufferConsoleMessage /* msg */)
// Register an existing shared memory transfer buffer. The id that can be
// used to identify the transfer buffer from a command buffer.
IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
int32_t /* id */,
base::SharedMemoryHandle /* transfer_buffer */,
uint32_t /* size */)
// Destroy a previously created transfer buffer.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer, int32_t /* id */)
// Tells the proxy that there was an error and the command buffer had to be
// destroyed for some reason.
IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_Destroyed,
gpu::error::ContextLostReason, /* reason */
gpu::error::Error /* error */)
// Tells the browser that SwapBuffers returned and passes latency info
IPC_MESSAGE_ROUTED1(
GpuCommandBufferMsg_SwapBuffersCompleted,
GpuCommandBufferMsg_SwapBuffersCompleted_Params /* params */)
// Tells the browser about updated parameters for vsync alignment.
IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_UpdateVSyncParameters,
base::TimeTicks /* timebase */,
base::TimeDelta /* interval */)
// The receiver will stop processing messages until the Synctoken is signaled.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_WaitSyncToken,
gpu::SyncToken /* sync_token */)
// The receiver will asynchronously wait until the SyncToken is signaled, and
// then return a GpuCommandBufferMsg_SignalAck message.
IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncToken,
gpu::SyncToken /* sync_token */,
uint32_t /* 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_t /* query */,
uint32_t /* signal_id */)
// Response to SignalSyncPoint, SignalSyncToken, and SignalQuery.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalAck, uint32_t /* signal_id */)
// 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_ROUTED1(GpuCommandBufferMsg_CreateImage,
GpuCommandBufferMsg_CreateImage_Params /* params */)
// Destroy a previously created image.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage, int32_t /* id */)
// Attaches an external image stream to the client texture.
IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
uint32_t, /* client_texture_id */
int32_t, /* stream_id */
bool /* succeeded */)
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