1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
// 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 "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/value_state.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/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(int32_t, share_group_id)
IPC_STRUCT_MEMBER(int32_t, stream_id)
IPC_STRUCT_MEMBER(gpu::GpuStreamPriority, stream_priority)
IPC_STRUCT_MEMBER(std::vector<int>, attribs)
IPC_STRUCT_MEMBER(GURL, active_url)
IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
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()
#if defined(OS_ANDROID)
IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
IPC_STRUCT_MEMBER(float, m00)
IPC_STRUCT_MEMBER(float, m01)
IPC_STRUCT_MEMBER(float, m02)
IPC_STRUCT_MEMBER(float, m03)
IPC_STRUCT_MEMBER(float, m10)
IPC_STRUCT_MEMBER(float, m11)
IPC_STRUCT_MEMBER(float, m12)
IPC_STRUCT_MEMBER(float, m13)
IPC_STRUCT_MEMBER(float, m20)
IPC_STRUCT_MEMBER(float, m21)
IPC_STRUCT_MEMBER(float, m22)
IPC_STRUCT_MEMBER(float, m23)
IPC_STRUCT_MEMBER(float, m30)
IPC_STRUCT_MEMBER(float, m31)
IPC_STRUCT_MEMBER(float, m32)
IPC_STRUCT_MEMBER(float, m33)
IPC_STRUCT_END()
#endif
//------------------------------------------------------------------------------
// 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_CONTROL4_1(GpuChannelMsg_CreateCommandBuffer,
gpu::SurfaceHandle /* surface_handle */,
gfx::Size /* size */,
GPUCreateCommandBufferConfig /* init_params */,
int32_t /* route_id */,
bool /* succeeded */)
// 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)
#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 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)
// Inform the renderer process that the transform matrix has changed.
IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
GpuStreamTextureMsg_MatrixChanged_Params /* params */)
#endif
//------------------------------------------------------------------------------
// GPU Command Buffer Messages
// These are messages between a renderer process to the GPU process relating to
// a single OpenGL context.
// 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_2(GpuCommandBufferMsg_Initialize,
base::SharedMemoryHandle /* shared_state */,
bool /* result */,
gpu::Capabilities /* capabilities */)
// Sets the shared memory buffer used for commands.
IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
int32_t /* shm_id */)
// Produces the front buffer into a mailbox. This allows another context to draw
// the output of this context.
IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
gpu::Mailbox /* mailbox */)
// 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_ROUTED2(GpuCommandBufferMsg_SwapBuffersCompleted,
std::vector<ui::LatencyInfo> /* latency_info */,
gfx::SwapResult /* result */)
// Tells the browser about updated parameters for vsync alignment.
IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_UpdateVSyncParameters,
base::TimeTicks /* timebase */,
base::TimeDelta /* interval */)
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 */)
|
