content/common/gpu/gpu_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Multiply-included message file, hence no include guard here, but see below
   6 // for a much smaller-than-usual include guard section.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/shared_memory.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/gpu/gpu_memory_uma_stats.h"
  14 #include "content/common/gpu/gpu_process_launch_causes.h"
  15 #include "content/common/gpu/gpu_result_codes.h"
  16 #include "content/public/common/common_param_traits.h"
  17 #include "content/public/common/gpu_memory_stats.h"
  18 #include "gpu/command_buffer/common/capabilities.h"
  19 #include "gpu/command_buffer/common/command_buffer.h"
  20 #include "gpu/command_buffer/common/constants.h"
  21 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
  22 #include "gpu/command_buffer/common/mailbox.h"
  23 #include "gpu/config/gpu_info.h"
  24 #include "gpu/ipc/gpu_command_buffer_traits.h"
  25 #include "ipc/ipc_channel_handle.h"
  26 #include "ipc/ipc_message_macros.h"
  27 #include "media/base/video_frame.h"
  28 #include "media/video/video_decode_accelerator.h"
  29 #include "media/video/video_encode_accelerator.h"
  30 #include "ui/events/latency_info.h"
  31 #include "ui/gfx/gpu_memory_buffer.h"
  32 #include "ui/gfx/native_widget_types.h"
  33 #include "ui/gfx/size.h"
  34 #include "ui/gl/gpu_preference.h"
  35
  36 #if defined(OS_ANDROID)
  37 #include "content/common/android/surface_texture_peer.h"
  38 #endif
  39
  40 #undef IPC_MESSAGE_EXPORT
  41 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  42
  43 #define IPC_MESSAGE_START GpuMsgStart
  44
  45 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch,
  46                           content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1)
  47 IPC_ENUM_TRAITS_MAX_VALUE(content::CreateCommandBufferResult,
  48                           content::CREATE_COMMAND_BUFFER_RESULT_LAST)
  49 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference,
  50                           gfx::GpuPreferenceLast)
  51 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType,
  52                           gfx::SURFACE_TYPE_LAST)
  53 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff,
  54                           gpu::MemoryAllocation::CUTOFF_LAST)
  55 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason,
  56                           gpu::error::kContextLostReasonLast)
  57 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error,
  58                           media::VideoEncodeAccelerator::kErrorMax)
  59 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::Format,
  60                           media::VideoFrame::FORMAT_MAX)
  61 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
  62                               media::VIDEO_CODEC_PROFILE_MIN,
  63                               media::VIDEO_CODEC_PROFILE_MAX)
  64 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::CollectInfoResult,
  65                               gpu::kCollectInfoNone,
  66                               gpu::kCollectInfoFatalFailure)
  67
  68 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  69   IPC_STRUCT_MEMBER(int32, share_group_id)
  70   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  71   IPC_STRUCT_MEMBER(GURL, active_url)
  72   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  73 IPC_STRUCT_END()
  74
  75 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  76   IPC_STRUCT_MEMBER(int32, surface_id)
  77   IPC_STRUCT_MEMBER(uint64, surface_handle)
  78   IPC_STRUCT_MEMBER(int32, route_id)
  79   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
  80   IPC_STRUCT_MEMBER(gfx::Size, size)
  81   IPC_STRUCT_MEMBER(float, scale_factor)
  82   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  83 IPC_STRUCT_END()
  84
  85 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
  86   IPC_STRUCT_MEMBER(int32, surface_id)
  87   IPC_STRUCT_MEMBER(uint64, surface_handle)
  88   IPC_STRUCT_MEMBER(int32, route_id)
  89   IPC_STRUCT_MEMBER(int, x)
  90   IPC_STRUCT_MEMBER(int, y)
  91   IPC_STRUCT_MEMBER(int, width)
  92   IPC_STRUCT_MEMBER(int, height)
  93   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
  94   IPC_STRUCT_MEMBER(gfx::Size, surface_size)
  95   IPC_STRUCT_MEMBER(float, surface_scale_factor)
  96   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  97 IPC_STRUCT_END()
  98
  99 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
 100   IPC_STRUCT_MEMBER(int32, surface_id)
 101 IPC_STRUCT_END()
 102
 103 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
 104   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
 105   IPC_STRUCT_MEMBER(uint32, sync_point)
 106 #if defined(OS_MACOSX)
 107   IPC_STRUCT_MEMBER(int32, renderer_id)
 108 #endif
 109 #if defined(OS_WIN)
 110   IPC_STRUCT_MEMBER(base::TimeTicks, vsync_timebase)
 111   IPC_STRUCT_MEMBER(base::TimeDelta, vsync_interval)
 112 #endif
 113 IPC_STRUCT_END()
 114
 115 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
 116   IPC_STRUCT_MEMBER(int32, id)
 117   IPC_STRUCT_MEMBER(std::string, message)
 118 IPC_STRUCT_END()
 119
 120 #if defined(OS_ANDROID)
 121 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
 122   IPC_STRUCT_MEMBER(float, m00)
 123   IPC_STRUCT_MEMBER(float, m01)
 124   IPC_STRUCT_MEMBER(float, m02)
 125   IPC_STRUCT_MEMBER(float, m03)
 126   IPC_STRUCT_MEMBER(float, m10)
 127   IPC_STRUCT_MEMBER(float, m11)
 128   IPC_STRUCT_MEMBER(float, m12)
 129   IPC_STRUCT_MEMBER(float, m13)
 130   IPC_STRUCT_MEMBER(float, m20)
 131   IPC_STRUCT_MEMBER(float, m21)
 132   IPC_STRUCT_MEMBER(float, m22)
 133   IPC_STRUCT_MEMBER(float, m23)
 134   IPC_STRUCT_MEMBER(float, m30)
 135   IPC_STRUCT_MEMBER(float, m31)
 136   IPC_STRUCT_MEMBER(float, m32)
 137   IPC_STRUCT_MEMBER(float, m33)
 138 IPC_STRUCT_END()
 139 #endif
 140
 141   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 142   IPC_STRUCT_TRAITS_MEMBER(values)
 143   IPC_STRUCT_TRAITS_MEMBER(children)
 144 IPC_STRUCT_TRAITS_END()
 145
 146 IPC_STRUCT_TRAITS_BEGIN(gpu::GpuPerformanceStats)
 147   IPC_STRUCT_TRAITS_MEMBER(graphics)
 148   IPC_STRUCT_TRAITS_MEMBER(gaming)
 149   IPC_STRUCT_TRAITS_MEMBER(overall)
 150 IPC_STRUCT_TRAITS_END()
 151
 152 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 153   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 154   IPC_STRUCT_TRAITS_MEMBER(device_id)
 155   IPC_STRUCT_TRAITS_MEMBER(active)
 156   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 157   IPC_STRUCT_TRAITS_MEMBER(device_string)
 158 IPC_STRUCT_TRAITS_END()
 159
 160 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo)
 161   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
 162   IPC_STRUCT_TRAITS_MEMBER(optimus)
 163   IPC_STRUCT_TRAITS_MEMBER(amd_switchable)
 164   IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute)
 165   IPC_STRUCT_TRAITS_MEMBER(gpu)
 166   IPC_STRUCT_TRAITS_MEMBER(secondary_gpus)
 167   IPC_STRUCT_TRAITS_MEMBER(adapter_luid)
 168   IPC_STRUCT_TRAITS_MEMBER(driver_vendor)
 169   IPC_STRUCT_TRAITS_MEMBER(driver_version)
 170   IPC_STRUCT_TRAITS_MEMBER(driver_date)
 171   IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version)
 172   IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version)
 173   IPC_STRUCT_TRAITS_MEMBER(machine_model_name)
 174   IPC_STRUCT_TRAITS_MEMBER(machine_model_version)
 175   IPC_STRUCT_TRAITS_MEMBER(gl_version)
 176   IPC_STRUCT_TRAITS_MEMBER(gl_vendor)
 177   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 178   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 179   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 180   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 181   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 182   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 183   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 184   IPC_STRUCT_TRAITS_MEMBER(performance_stats)
 185   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 186   IPC_STRUCT_TRAITS_MEMBER(direct_rendering)
 187   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 188   IPC_STRUCT_TRAITS_MEMBER(process_crash_count)
 189   IPC_STRUCT_TRAITS_MEMBER(basic_info_state)
 190   IPC_STRUCT_TRAITS_MEMBER(context_info_state)
 191 #if defined(OS_WIN)
 192   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics_info_state)
 193   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 194 #endif
 195 IPC_STRUCT_TRAITS_END()
 196
 197 IPC_STRUCT_TRAITS_BEGIN(gpu::Capabilities)
 198   IPC_STRUCT_TRAITS_MEMBER(post_sub_buffer)
 199   IPC_STRUCT_TRAITS_MEMBER(egl_image_external)
 200   IPC_STRUCT_TRAITS_MEMBER(texture_format_bgra8888)
 201   IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1)
 202   IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1_npot)
 203   IPC_STRUCT_TRAITS_MEMBER(texture_rectangle)
 204   IPC_STRUCT_TRAITS_MEMBER(iosurface)
 205   IPC_STRUCT_TRAITS_MEMBER(texture_usage)
 206   IPC_STRUCT_TRAITS_MEMBER(texture_storage)
 207   IPC_STRUCT_TRAITS_MEMBER(discard_framebuffer)
 208   IPC_STRUCT_TRAITS_MEMBER(sync_query)
 209   IPC_STRUCT_TRAITS_MEMBER(map_image)
 210 IPC_STRUCT_TRAITS_END()
 211
 212 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 213   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 214   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 215 IPC_STRUCT_TRAITS_END()
 216
 217 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 218   IPC_STRUCT_TRAITS_MEMBER(process_map)
 219   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 220   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 221 IPC_STRUCT_TRAITS_END()
 222
 223 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 224   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 225   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 226   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 227 IPC_STRUCT_TRAITS_END()
 228
 229 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 230   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 231   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 232 IPC_STRUCT_TRAITS_END()
 233
 234 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 235   IPC_STRUCT_TRAITS_MEMBER(handle)
 236   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 237   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 238 IPC_STRUCT_TRAITS_END()
 239
 240 //------------------------------------------------------------------------------
 241 // GPU Messages
 242 // These are messages from the browser to the GPU process.
 243
 244 // Tells the GPU process to initialize itself. The browser explicitly
 245 // requests this be done so that we are guaranteed that the channel is set
 246 // up between the browser and GPU process before doing any work that might
 247 // potentially crash the GPU process. Detection of the child process
 248 // exiting abruptly is predicated on having the IPC channel set up.
 249 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 250
 251 // Tells the GPU process to create a new channel for communication with a
 252 // given client.  The channel name is returned in a
 253 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 254 // the GPU process reuses an existing channel to that process if it exists.
 255 // This ID is a unique opaque identifier generated by the browser process.
 256 IPC_MESSAGE_CONTROL3(GpuMsg_EstablishChannel,
 257                      int /* client_id */,
 258                      bool /* share_context */,
 259                      bool /* allow_future_sync_points */)
 260
 261 // Tells the GPU process to close the channel identified by IPC channel
 262 // handle.  If no channel can be identified, do nothing.
 263 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 264                      IPC::ChannelHandle /* channel_handle */)
 265
 266 // Tells the GPU process to create a new command buffer that renders directly
 267 // to a native view. A corresponding GpuCommandBufferStub is created.
 268 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 269                      gfx::GLSurfaceHandle, /* compositing_surface */
 270                      int32, /* surface_id */
 271                      int32, /* client_id */
 272                      GPUCreateCommandBufferConfig, /* init_params */
 273                      int32 /* route_id */)
 274
 275 // Tells the GPU process to create a new gpu memory buffer for |handle|.
 276 IPC_MESSAGE_CONTROL4(GpuMsg_CreateGpuMemoryBuffer,
 277                      gfx::GpuMemoryBufferHandle, /* handle */
 278                      gfx::Size, /* size */
 279                      unsigned, /* internalformat */
 280                      unsigned /* usage */)
 281
 282 // Tells the GPU process to destroy buffer.
 283 IPC_MESSAGE_CONTROL2(GpuMsg_DestroyGpuMemoryBuffer,
 284                      gfx::GpuMemoryBufferHandle, /* handle */
 285                      int32 /* sync_point */)
 286
 287 // Tells the GPU process to create a context for collecting graphics card
 288 // information.
 289 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 290
 291 // Tells the GPU process to report video_memory information for the task manager
 292 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 293
 294 // Tells the GPU process that the browser process has handled the swap
 295 // buffers or post sub-buffer request. A non-zero sync point means
 296 // that we should wait for the sync point. The surface_handle identifies
 297 // that buffer that has finished presented, i.e. the buffer being returned.
 298 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 299                     AcceleratedSurfaceMsg_BufferPresented_Params)
 300
 301 // Tells the GPU process to wake up the GPU because we're about to draw.
 302 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 303
 304 // Tells the GPU process to remove all contexts.
 305 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 306
 307 // Tells the GPU process to crash.
 308 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 309
 310 // Tells the GPU process to hang.
 311 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 312
 313 // Tells the GPU process to disable the watchdog thread.
 314 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 315
 316 //------------------------------------------------------------------------------
 317 // GPU Host Messages
 318 // These are messages to the browser.
 319
 320 // A renderer sends this when it wants to create a connection to the GPU
 321 // process. The browser will create the GPU process if necessary, and will
 322 // return a handle to the channel via a GpuChannelEstablished message.
 323 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 324                             content::CauseForGpuLaunch,
 325                             int /* client id */,
 326                             IPC::ChannelHandle /* handle to channel */,
 327                             gpu::GPUInfo /* stats about GPU process*/)
 328
 329 // A renderer sends this to the browser process when it wants to
 330 // create a GL context associated with the given view_id.
 331 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 332                             int32, /* surface_id */
 333                             GPUCreateCommandBufferConfig, /* init_params */
 334                             int32, /* route_id */
 335                             content::CreateCommandBufferResult /* result */)
 336
 337 // Response from GPU to a GputMsg_Initialize message.
 338 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 339                      bool /* result */,
 340                      ::gpu::GPUInfo /* gpu_info */)
 341
 342 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 343 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 344                      IPC::ChannelHandle /* channel_handle */)
 345
 346 // Message from GPU to notify to destroy the channel.
 347 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 348                      int32 /* client_id */)
 349
 350 // Message to cache the given shader information.
 351 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 352                      int32 /* client_id */,
 353                      std::string /* key */,
 354                      std::string /* shader */)
 355
 356 // Message to the GPU that a shader was loaded from disk.
 357 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 358                      std::string /* encoded shader */)
 359
 360 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 361 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 362                      content::CreateCommandBufferResult /* result */)
 363
 364 // Request from GPU to free the browser resources associated with the
 365 // command buffer.
 366 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 367                      int32 /* surface_id */)
 368
 369 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message.
 370 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated,
 371                      gfx::GpuMemoryBufferHandle /* handle */)
 372
 373 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 374 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 375                      gpu::GPUInfo /* GPU logging stats */)
 376
 377 // Response from GPU to a GpuMsg_GetVideoMemory.
 378 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 379                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 380
 381 // Message from GPU to add a GPU log message to the about:gpu page.
 382 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 383                      int /*severity*/,
 384                      std::string /* header */,
 385                      std::string /* message */)
 386
 387 // Tells the browser that a new accelerated surface was initialized.
 388 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 389                      int32 /* surface_id */,
 390                      int32 /* route_id */)
 391
 392 // Tells the browser that a frame with the specific latency info was drawn to
 393 // the screen
 394 IPC_MESSAGE_CONTROL1(GpuHostMsg_FrameDrawn,
 395                      std::vector<ui::LatencyInfo> /* latency_info */)
 396
 397 // Same as above with a rect of the part of the surface that changed.
 398 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 399                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 400
 401 // This message notifies the browser process that the renderer
 402 // swapped a portion of the buffers associated with the given "window", which
 403 // should cause the browser to redraw the compositor's contents.
 404 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfacePostSubBuffer,
 405                      GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
 406
 407 // Tells the browser to release whatever resources are associated with
 408 // the given surface. The browser must send an ACK once this operation
 409 // is complete.
 410 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceRelease,
 411                      GpuHostMsg_AcceleratedSurfaceRelease_Params)
 412
 413 // Tells the browser to release resources for the given surface until the next
 414 // time swap buffers or post sub buffer is sent.
 415 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceSuspend,
 416                      int32 /* surface_id */)
 417
 418 // Tells the browser about updated parameters for vsync alignment.
 419 IPC_MESSAGE_CONTROL3(GpuHostMsg_UpdateVSyncParameters,
 420                      int32 /* surface_id */,
 421                      base::TimeTicks /* timebase */,
 422                      base::TimeDelta /* interval */)
 423
 424 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext,
 425                      GURL /* url */)
 426
 427 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
 428                      bool /* offscreen */,
 429                      gpu::error::ContextLostReason /* reason */,
 430                      GURL /* url */)
 431
 432 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext,
 433                      GURL /* url */)
 434
 435 // Tells the browser about GPU memory usage statistics for UMA logging.
 436 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
 437                      content::GPUMemoryUmaStats /* GPU memory UMA stats */)
 438
 439 //------------------------------------------------------------------------------
 440 // GPU Channel Messages
 441 // These are messages from a renderer process to the GPU process.
 442
 443 // Tells the GPU process to create a new command buffer that renders to an
 444 // offscreen frame buffer.
 445 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 446                             gfx::Size, /* size */
 447                             GPUCreateCommandBufferConfig, /* init_params */
 448                             int32, /* route_id */
 449                             bool /* succeeded */)
 450
 451 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 452 // destructor, so that the stub deletes the actual CommandBufferService
 453 // object that it's hosting.
 454 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 455                             int32 /* instance_id */)
 456
 457 // Sent by DevTools agent in the inspected renderer process to initiate GPU
 458 // instrumentation events recording.
 459 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_DevToolsStartEventsRecording,
 460                             int32, /* route_id */
 461                             bool /* succeeded */)
 462
 463 // The message is sent when DevTools want to stop events recording.
 464 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording)
 465
 466 #if defined(OS_ANDROID)
 467 //------------------------------------------------------------------------------
 468 // Stream Texture Messages
 469 // Tells the GPU process create and send the java surface texture object to
 470 // the renderer process through the binder thread.
 471 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 472                     int32, /* primary_id */
 473                     int32  /* secondary_id */)
 474
 475 // Tells the GPU process to set the size of StreamTexture from the given
 476 // stream Id.
 477 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 478                     gfx::Size /* size */)
 479
 480 // Tells the service-side instance to start sending frame available
 481 // notifications.
 482 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 483
 484 // Inform the renderer that a new frame is available.
 485 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 486
 487 // Inform the renderer process that the transform matrix has changed.
 488 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 489                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 490 #endif
 491
 492 //------------------------------------------------------------------------------
 493 // GPU Command Buffer Messages
 494 // These are messages between a renderer process to the GPU process relating to
 495 // a single OpenGL context.
 496 // Initialize a command buffer with the given number of command entries.
 497 // Returns the shared memory handle for the command buffer mapped to the
 498 // calling process.
 499 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 500                            base::SharedMemoryHandle /* shared_state */,
 501                            bool /* result */,
 502                            gpu::Capabilities /* capabilities */)
 503
 504 // Sets the shared memory buffer used for commands.
 505 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 506                            int32 /* shm_id */)
 507
 508 // Produces the front buffer into a mailbox. This allows another context to draw
 509 // the output of this context.
 510 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 511                     gpu::Mailbox /* mailbox */)
 512
 513 // Wait until the token is in a specific range, inclusive.
 514 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
 515                            int32 /* start */,
 516                            int32 /* end */,
 517                            gpu::CommandBuffer::State /* state */)
 518
 519 // Wait until the get offset is in a specific range, inclusive.
 520 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
 521                            int32 /* start */,
 522                            int32 /* end */,
 523                            gpu::CommandBuffer::State /* state */)
 524
 525 // Asynchronously synchronize the put and get offsets of both processes.
 526 // Caller passes its current put offset. Current state (including get offset)
 527 // is returned in shared memory.
 528 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_AsyncFlush,
 529                     int32 /* put_offset */,
 530                     uint32 /* flush_count */)
 531
 532 // Sends information about the latency of the current frame to the GPU
 533 // process.
 534 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetLatencyInfo,
 535                     std::vector<ui::LatencyInfo> /* latency_info */)
 536
 537 // Asynchronously process any commands known to the GPU process. This is only
 538 // used in the event that a channel is unscheduled and needs to be flushed
 539 // again to process any commands issued subsequent to unscheduling. The GPU
 540 // process actually sends it (deferred) to itself.
 541 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 542
 543 // Sent by the GPU process to display messages in the console.
 544 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 545                     GPUCommandBufferConsoleMessage /* msg */)
 546
 547 // Register an existing shared memory transfer buffer. The id that can be
 548 // used to identify the transfer buffer from a command buffer.
 549 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 550                     int32 /* id */,
 551                     base::SharedMemoryHandle /* transfer_buffer */,
 552                     uint32 /* size */)
 553
 554 // Destroy a previously created transfer buffer.
 555 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 556                     int32 /* id */)
 557
 558 // Create and initialize a hardware video decoder using the specified route_id.
 559 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 560 // no longer needed.
 561 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
 562                            media::VideoCodecProfile /* profile */,
 563                            int32, /* route_id */
 564                            bool /* succeeded */)
 565
 566 // Create and initialize a hardware video encoder using the specified route_id.
 567 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
 568 // no longer needed.
 569 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
 570                            media::VideoFrame::Format /* input_format */,
 571                            gfx::Size /* input_visible_size */,
 572                            media::VideoCodecProfile /* output_profile */,
 573                            uint32 /* initial_bitrate */,
 574                            int32, /* route_id */
 575                            bool /* succeeded */)
 576
 577 // Tells the proxy that there was an error and the command buffer had to be
 578 // destroyed for some reason.
 579 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
 580                     gpu::error::ContextLostReason /* reason */)
 581
 582 // Request that the GPU process reply with the given message. Reply may be
 583 // delayed.
 584 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Echo,
 585                     IPC::Message /* reply */)
 586
 587 // Response to a GpuChannelMsg_Echo message.
 588 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EchoAck)
 589
 590 // Send to stub on surface visibility change.
 591 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 592
 593 // Sent to proxy when the gpu memory manager changes its memory allocation.
 594 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 595                     gpu::MemoryAllocation /* allocation */)
 596
 597 // Sent to stub when proxy is assigned a memory allocation changed callback.
 598 IPC_MESSAGE_ROUTED1(
 599     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 600     bool /* has_callback */)
 601
 602 // Inserts a sync point into the channel. This is handled on the IO thread, so
 603 // can be expected to be reasonably fast, but the sync point is actually
 604 // retired in order with respect to the other calls. The sync point is shared
 605 // across channels.
 606 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_InsertSyncPoint,
 607                            bool /* retire */,
 608                            uint32 /* sync_point */)
 609
 610 // Retires the sync point. Note: this message is not sent explicitly by the
 611 // renderer, but is synthesized by the GPU process.
 612 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 613                     uint32 /* sync_point */)
 614
 615 // Makes this command buffer signal when a sync point is reached, by sending
 616 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 617 // signal_id.
 618 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 619                     uint32 /* sync_point */,
 620                     uint32 /* signal_id */)
 621
 622 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 623 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 624                     uint32 /* signal_id */)
 625
 626 // Makes this command buffer signal when a query is reached, by sending
 627 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 628 // signal_id.
 629 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 630                     uint32 /* query */,
 631                     uint32 /* signal_id */)
 632
 633 // Register an existing gpu memory buffer. The id that can be
 634 // used to identify the gpu memory buffer from a command buffer.
 635 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer,
 636                     int32 /* id */,
 637                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 638                     uint32 /* width */,
 639                     uint32 /* height */,
 640                     uint32 /* internalformat */)
 641
 642 // Unregister a previously registered gpu memory buffer.
 643 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_UnregisterGpuMemoryBuffer,
 644                     int32 /* id */)
 645
 646 // Attaches an external image stream to the client texture.
 647 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 648                            uint32, /* client_texture_id */
 649                            int32, /* stream_id */
 650                            bool /* succeeded */)
 651
 652 //------------------------------------------------------------------------------
 653 // Accelerated Video Decoder Messages
 654 // These messages are sent from Renderer process to GPU process.
 655
 656 // Send input buffer for decoding.
 657 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 658                     base::SharedMemoryHandle, /* input_buffer_handle */
 659                     int32, /* bitstream_buffer_id */
 660                     uint32) /* size */
 661
 662 // Sent from Renderer process to the GPU process to give the texture IDs for
 663 // the textures the decoder will use for output.
 664 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 665                     std::vector<int32>,  /* Picture buffer ID */
 666                     std::vector<uint32>) /* Texture ID */
 667
 668 // Send from Renderer process to the GPU process to recycle the given picture
 669 // buffer for further decoding.
 670 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 671                     int32) /* Picture buffer ID */
 672
 673 // Send flush request to the decoder.
 674 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 675
 676 // Send reset request to the decoder.
 677 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 678
 679 // Send destroy request to the decoder.
 680 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 681
 682 //------------------------------------------------------------------------------
 683 // Accelerated Video Decoder Host Messages
 684 // These messages are sent from GPU process to Renderer process.
 685 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 686 // created.
 687
 688 // Accelerated video decoder has consumed input buffer from transfer buffer.
 689 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 690                     int32) /* Processed buffer ID */
 691
 692 // Allocate video frames for output of the hardware video decoder.
 693 IPC_MESSAGE_ROUTED3(
 694     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 695     int32, /* Number of video frames to generate */
 696     gfx::Size, /* Requested size of buffer */
 697     uint32 ) /* Texture target */
 698
 699 // Decoder reports that a picture is ready and buffer does not need to be passed
 700 // back to the decoder.
 701 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 702                     int32) /* Picture buffer ID */
 703
 704 // Decoder reports that a picture is ready.
 705 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderHostMsg_PictureReady,
 706                     int32,     /* Picture buffer ID */
 707                     int32,     /* Bitstream buffer ID */
 708                     gfx::Rect) /* Visible rectangle */
 709
 710 // Confirm decoder has been flushed.
 711 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 712
 713 // Confirm decoder has been reset.
 714 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 715
 716 // Video decoder has encountered an error.
 717 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 718                     uint32) /* Error ID */
 719
 720 //------------------------------------------------------------------------------
 721 // Accelerated Video Encoder Messages
 722 // These messages are sent from the Renderer process to GPU process.
 723
 724 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by
 725 // AcceleratedVideoEncoderHostMsg_NotifyEncodeDone.
 726 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Encode,
 727                     int32 /* frame_id */,
 728                     base::SharedMemoryHandle /* buffer_handle */,
 729                     uint32 /* buffer_size */,
 730                     bool /* force_keyframe */)
 731
 732 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 733 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 734 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 735                     int32 /* buffer_id */,
 736                     base::SharedMemoryHandle /* buffer_handle */,
 737                     uint32 /* buffer_size */)
 738
 739 // Request a runtime encoding parameter change.
 740 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 741                     uint32 /* bitrate */,
 742                     uint32 /* framerate */)
 743
 744 //------------------------------------------------------------------------------
 745 // Accelerated Video Encoder Host Messages
 746 // These messages are sent from GPU process to Renderer process.
 747
 748 // Notify renderer of the input/output buffer requirements of the encoder.
 749 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 750                     uint32 /* input_count */,
 751                     gfx::Size /* input_coded_size */,
 752                     uint32 /* output_buffer_size */)
 753
 754 // Notify the renderer that the encoder has finished using an input buffer.
 755 // There is no congruent entry point in the media::VideoEncodeAccelerator
 756 // interface, in VEA this same done condition is indicated by dropping the
 757 // reference to the media::VideoFrame passed to VEA::Encode().
 758 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 759                     int32 /* frame_id */)
 760
 761 // Notify the renderer that an output buffer has been filled with encoded data.
 762 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 763                     int32 /* bitstream_buffer_id */,
 764                     uint32 /* payload_size */,
 765                     bool /* key_frame */)
 766
 767 // Report error condition.
 768 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 769                     media::VideoEncodeAccelerator::Error /* error */)
 770
 771 // Send destroy request to the encoder.
 772 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)