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/content_param_traits.h"
  14 #include "content/common/gpu/gpu_memory_uma_stats.h"
  15 #include "content/common/gpu/gpu_process_launch_causes.h"
  16 #include "content/common/gpu/gpu_result_codes.h"
  17 #include "content/public/common/common_param_traits.h"
  18 #include "content/public/common/gpu_memory_stats.h"
  19 #include "gpu/command_buffer/common/capabilities.h"
  20 #include "gpu/command_buffer/common/command_buffer.h"
  21 #include "gpu/command_buffer/common/constants.h"
  22 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
  23 #include "gpu/command_buffer/common/mailbox.h"
  24 #include "gpu/command_buffer/common/value_state.h"
  25 #include "gpu/config/gpu_info.h"
  26 #include "gpu/ipc/gpu_command_buffer_traits.h"
  27 #include "ipc/ipc_channel_handle.h"
  28 #include "ipc/ipc_message_macros.h"
  29 #include "media/base/video_frame.h"
  30 #include "media/video/jpeg_decode_accelerator.h"
  31 #include "media/video/video_decode_accelerator.h"
  32 #include "media/video/video_encode_accelerator.h"
  33 #include "ui/events/latency_info.h"
  34 #include "ui/gfx/geometry/size.h"
  35 #include "ui/gfx/gpu_memory_buffer.h"
  36 #include "ui/gfx/native_widget_types.h"
  37 #include "ui/gfx/swap_result.h"
  38 #include "ui/gl/gpu_preference.h"
  39
  40 #if defined(OS_ANDROID)
  41 #include "content/common/android/surface_texture_peer.h"
  42 #endif
  43
  44 #undef IPC_MESSAGE_EXPORT
  45 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  46
  47 #define IPC_MESSAGE_START GpuMsgStart
  48
  49 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch,
  50                           content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1)
  51 IPC_ENUM_TRAITS_MAX_VALUE(content::CreateCommandBufferResult,
  52                           content::CREATE_COMMAND_BUFFER_RESULT_LAST)
  53 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference,
  54                           gfx::GpuPreferenceLast)
  55 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType,
  56                           gfx::SURFACE_TYPE_LAST)
  57 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SwapResult, gfx::SwapResult::SWAP_RESULT_LAST)
  58 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff,
  59                           gpu::MemoryAllocation::CUTOFF_LAST)
  60 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::Error, gpu::error::kErrorLast)
  61 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason,
  62                           gpu::error::kContextLostReasonLast)
  63 IPC_ENUM_TRAITS_MAX_VALUE(media::JpegDecodeAccelerator::Error,
  64                           media::JpegDecodeAccelerator::LARGEST_ERROR_ENUM)
  65 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error,
  66                           media::VideoEncodeAccelerator::kErrorMax)
  67 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
  68                               media::VIDEO_CODEC_PROFILE_MIN,
  69                               media::VIDEO_CODEC_PROFILE_MAX)
  70 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::CollectInfoResult,
  71                               gpu::kCollectInfoNone,
  72                               gpu::kCollectInfoFatalFailure)
  73 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::VideoCodecProfile,
  74                               gpu::VIDEO_CODEC_PROFILE_MIN,
  75                               gpu::VIDEO_CODEC_PROFILE_MAX)
  76
  77 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  78   IPC_STRUCT_MEMBER(int32, share_group_id)
  79   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  80   IPC_STRUCT_MEMBER(GURL, active_url)
  81   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  82 IPC_STRUCT_END()
  83
  84 IPC_STRUCT_BEGIN(GpuMsg_CreateGpuMemoryBuffer_Params)
  85   IPC_STRUCT_MEMBER(int32, id)
  86   IPC_STRUCT_MEMBER(gfx::Size, size)
  87   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Format, format)
  88   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Usage, usage)
  89   IPC_STRUCT_MEMBER(int32, client_id)
  90   IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, surface_handle)
  91 IPC_STRUCT_END()
  92
  93 #if defined(OS_MACOSX)
  94 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  95   IPC_STRUCT_MEMBER(int32, surface_id)
  96   IPC_STRUCT_MEMBER(uint64, surface_handle)
  97   IPC_STRUCT_MEMBER(int32, route_id)
  98   IPC_STRUCT_MEMBER(gfx::Size, size)
  99   IPC_STRUCT_MEMBER(gfx::Rect, damage_rect)
 100   IPC_STRUCT_MEMBER(float, scale_factor)
 101   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
 102 IPC_STRUCT_END()
 103
 104 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
 105   // If the browser needs framerate throttling based on GPU back-pressure to be
 106   // disabled (e.g, because the NSView isn't visible but tab capture is active),
 107   // then this is set to true.
 108   IPC_STRUCT_MEMBER(bool, disable_throttling)
 109   // If the browser is drawing to the screen, this is the CGL renderer ID of
 110   // the GL context that the brower is using.
 111   IPC_STRUCT_MEMBER(int32, renderer_id)
 112 IPC_STRUCT_END()
 113 #endif
 114
 115 IPC_STRUCT_BEGIN(AcceleratedJpegDecoderMsg_Decode_Params)
 116   IPC_STRUCT_MEMBER(int32, input_buffer_id)
 117   IPC_STRUCT_MEMBER(gfx::Size, coded_size)
 118   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, input_buffer_handle)
 119   IPC_STRUCT_MEMBER(uint32, input_buffer_size)
 120   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, output_video_frame_handle)
 121   IPC_STRUCT_MEMBER(uint32, output_buffer_size)
 122 IPC_STRUCT_END()
 123
 124 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
 125   IPC_STRUCT_MEMBER(int32, id)
 126   IPC_STRUCT_MEMBER(std::string, message)
 127 IPC_STRUCT_END()
 128
 129 #if defined(OS_ANDROID)
 130 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
 131   IPC_STRUCT_MEMBER(float, m00)
 132   IPC_STRUCT_MEMBER(float, m01)
 133   IPC_STRUCT_MEMBER(float, m02)
 134   IPC_STRUCT_MEMBER(float, m03)
 135   IPC_STRUCT_MEMBER(float, m10)
 136   IPC_STRUCT_MEMBER(float, m11)
 137   IPC_STRUCT_MEMBER(float, m12)
 138   IPC_STRUCT_MEMBER(float, m13)
 139   IPC_STRUCT_MEMBER(float, m20)
 140   IPC_STRUCT_MEMBER(float, m21)
 141   IPC_STRUCT_MEMBER(float, m22)
 142   IPC_STRUCT_MEMBER(float, m23)
 143   IPC_STRUCT_MEMBER(float, m30)
 144   IPC_STRUCT_MEMBER(float, m31)
 145   IPC_STRUCT_MEMBER(float, m32)
 146   IPC_STRUCT_MEMBER(float, m33)
 147 IPC_STRUCT_END()
 148 #endif
 149
 150   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 151   IPC_STRUCT_TRAITS_MEMBER(values)
 152   IPC_STRUCT_TRAITS_MEMBER(children)
 153 IPC_STRUCT_TRAITS_END()
 154
 155 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 156   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 157   IPC_STRUCT_TRAITS_MEMBER(device_id)
 158   IPC_STRUCT_TRAITS_MEMBER(active)
 159   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 160   IPC_STRUCT_TRAITS_MEMBER(device_string)
 161 IPC_STRUCT_TRAITS_END()
 162
 163 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoDecodeAcceleratorSupportedProfile)
 164   IPC_STRUCT_TRAITS_MEMBER(profile)
 165   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 166   IPC_STRUCT_TRAITS_MEMBER(min_resolution)
 167 IPC_STRUCT_TRAITS_END()
 168
 169 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoEncodeAcceleratorSupportedProfile)
 170   IPC_STRUCT_TRAITS_MEMBER(profile)
 171   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 172   IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator)
 173   IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator)
 174 IPC_STRUCT_TRAITS_END()
 175
 176 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo)
 177   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
 178   IPC_STRUCT_TRAITS_MEMBER(optimus)
 179   IPC_STRUCT_TRAITS_MEMBER(amd_switchable)
 180   IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute)
 181   IPC_STRUCT_TRAITS_MEMBER(gpu)
 182   IPC_STRUCT_TRAITS_MEMBER(secondary_gpus)
 183   IPC_STRUCT_TRAITS_MEMBER(adapter_luid)
 184   IPC_STRUCT_TRAITS_MEMBER(driver_vendor)
 185   IPC_STRUCT_TRAITS_MEMBER(driver_version)
 186   IPC_STRUCT_TRAITS_MEMBER(driver_date)
 187   IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version)
 188   IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version)
 189   IPC_STRUCT_TRAITS_MEMBER(max_msaa_samples)
 190   IPC_STRUCT_TRAITS_MEMBER(machine_model_name)
 191   IPC_STRUCT_TRAITS_MEMBER(machine_model_version)
 192   IPC_STRUCT_TRAITS_MEMBER(gl_version)
 193   IPC_STRUCT_TRAITS_MEMBER(gl_vendor)
 194   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 195   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 196   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 197   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 198   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 199   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 200   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 201   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 202   IPC_STRUCT_TRAITS_MEMBER(direct_rendering)
 203   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 204   IPC_STRUCT_TRAITS_MEMBER(process_crash_count)
 205   IPC_STRUCT_TRAITS_MEMBER(basic_info_state)
 206   IPC_STRUCT_TRAITS_MEMBER(context_info_state)
 207 #if defined(OS_WIN)
 208   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics_info_state)
 209   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 210 #endif
 211   IPC_STRUCT_TRAITS_MEMBER(video_decode_accelerator_supported_profiles)
 212   IPC_STRUCT_TRAITS_MEMBER(video_encode_accelerator_supported_profiles)
 213 IPC_STRUCT_TRAITS_END()
 214
 215 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 216   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 217   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 218 IPC_STRUCT_TRAITS_END()
 219
 220 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 221   IPC_STRUCT_TRAITS_MEMBER(process_map)
 222   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 223   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 224 IPC_STRUCT_TRAITS_END()
 225
 226 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 227   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 228   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 229   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 230 IPC_STRUCT_TRAITS_END()
 231
 232 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 233   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 234   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 235 IPC_STRUCT_TRAITS_END()
 236
 237 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 238   IPC_STRUCT_TRAITS_MEMBER(handle)
 239   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 240   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 241 IPC_STRUCT_TRAITS_END()
 242
 243 //------------------------------------------------------------------------------
 244 // GPU Messages
 245 // These are messages from the browser to the GPU process.
 246
 247 // Tells the GPU process to initialize itself. The browser explicitly
 248 // requests this be done so that we are guaranteed that the channel is set
 249 // up between the browser and GPU process before doing any work that might
 250 // potentially crash the GPU process. Detection of the child process
 251 // exiting abruptly is predicated on having the IPC channel set up.
 252 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 253
 254 // Tells the GPU process to create a new channel for communication with a
 255 // given client.  The channel name is returned in a
 256 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 257 // the GPU process reuses an existing channel to that process if it exists.
 258 // This ID is a unique opaque identifier generated by the browser process.
 259 IPC_MESSAGE_CONTROL3(GpuMsg_EstablishChannel,
 260                      int /* client_id */,
 261                      bool /* share_context */,
 262                      bool /* allow_future_sync_points */)
 263
 264 // Tells the GPU process to close the channel identified by IPC channel
 265 // handle.  If no channel can be identified, do nothing.
 266 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 267                      IPC::ChannelHandle /* channel_handle */)
 268
 269 // Tells the GPU process to create a new command buffer that renders directly
 270 // to a native view. A corresponding GpuCommandBufferStub is created.
 271 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 272                      gfx::GLSurfaceHandle, /* compositing_surface */
 273                      int32, /* surface_id */
 274                      int32, /* client_id */
 275                      GPUCreateCommandBufferConfig, /* init_params */
 276                      int32 /* route_id */)
 277
 278 // Tells the GPU process to create a new gpu memory buffer.
 279 IPC_MESSAGE_CONTROL1(GpuMsg_CreateGpuMemoryBuffer,
 280                      GpuMsg_CreateGpuMemoryBuffer_Params)
 281
 282 // Tells the GPU process to destroy buffer.
 283 IPC_MESSAGE_CONTROL3(GpuMsg_DestroyGpuMemoryBuffer,
 284                      gfx::GpuMemoryBufferId, /* id */
 285                      int32, /* client_id */
 286                      int32 /* sync_point */)
 287
 288 // Create and initialize a hardware jpeg decoder using the specified route_id.
 289 // Created decoders should be freed with AcceleratedJpegDecoderMsg_Destroy when
 290 // no longer needed.
 291 IPC_SYNC_MESSAGE_CONTROL1_1(GpuMsg_CreateJpegDecoder,
 292                             int32 /* route_id */,
 293                             bool /* succeeded */)
 294
 295 // Tells the GPU process to create a context for collecting graphics card
 296 // information.
 297 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 298
 299 // Tells the GPU process to report video_memory information for the task manager
 300 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 301
 302 #if defined(OS_MACOSX)
 303 // Tells the GPU process that the browser process has handled the swap
 304 // buffers or post sub-buffer request.
 305 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 306                     AcceleratedSurfaceMsg_BufferPresented_Params)
 307 #endif
 308
 309 // Tells the GPU process to wake up the GPU because we're about to draw.
 310 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 311
 312 // Tells the GPU process to remove all contexts.
 313 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 314
 315 // Tells the GPU process to crash.
 316 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 317
 318 // Tells the GPU process to hang.
 319 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 320
 321 // Tells the GPU process to disable the watchdog thread.
 322 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 323
 324 // Tells the GPU process that the browser has seen a GPU switch.
 325 IPC_MESSAGE_CONTROL0(GpuMsg_GpuSwitched)
 326
 327 // Tells the GPU process to delete the default_offscreen surface. It will also
 328 // close the display and any other resources when the last GL surface is
 329 // deleted. GPU process will respond with GphHosMsg_ResourcesRelinquished.
 330 IPC_MESSAGE_CONTROL0(GpuMsg_RelinquishResources)
 331
 332 // Sends an input event to the gpu service.
 333 IPC_MESSAGE_CONTROL3(GpuMsg_UpdateValueState,
 334                      int, /* client_id */
 335                      unsigned int, /* target */
 336                      gpu::ValueState /* valuestate */)
 337
 338 //------------------------------------------------------------------------------
 339 // GPU Host Messages
 340 // These are messages to the browser.
 341
 342 // A renderer sends this when it wants to create a connection to the GPU
 343 // process. The browser will create the GPU process if necessary, and will
 344 // return a handle to the channel via a GpuChannelEstablished message.
 345 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 346                             content::CauseForGpuLaunch,
 347                             int /* client id */,
 348                             IPC::ChannelHandle /* handle to channel */,
 349                             gpu::GPUInfo /* stats about GPU process*/)
 350
 351 // A renderer sends this to the browser process when it wants to
 352 // create a GL context associated with the given view_id.
 353 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 354                             int32, /* surface_id */
 355                             GPUCreateCommandBufferConfig, /* init_params */
 356                             int32, /* route_id */
 357                             content::CreateCommandBufferResult /* result */)
 358
 359 // Response from GPU to a GputMsg_Initialize message.
 360 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 361                      bool /* result */,
 362                      ::gpu::GPUInfo /* gpu_info */)
 363
 364 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 365 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 366                      IPC::ChannelHandle /* channel_handle */)
 367
 368 // Message from GPU to notify to destroy the channel.
 369 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 370                      int32 /* client_id */)
 371
 372 // Message to cache the given shader information.
 373 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 374                      int32 /* client_id */,
 375                      std::string /* key */,
 376                      std::string /* shader */)
 377
 378 // Message to the GPU that a shader was loaded from disk.
 379 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 380                      std::string /* encoded shader */)
 381
 382 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 383 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 384                      content::CreateCommandBufferResult /* result */)
 385
 386 // Request from GPU to free the browser resources associated with the
 387 // command buffer.
 388 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 389                      int32 /* surface_id */)
 390
 391 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message.
 392 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated,
 393                      gfx::GpuMemoryBufferHandle /* handle */)
 394
 395 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 396 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 397                      gpu::GPUInfo /* GPU logging stats */)
 398
 399 // Response from GPU to a GpuMsg_GetVideoMemory.
 400 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 401                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 402
 403 // Message from GPU to add a GPU log message to the about:gpu page.
 404 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 405                      int /*severity*/,
 406                      std::string /* header */,
 407                      std::string /* message */)
 408
 409 // Tells the browser that a new accelerated surface was initialized.
 410 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 411                      int32 /* surface_id */,
 412                      int32 /* route_id */)
 413
 414
 415 #if defined(OS_MACOSX)
 416 // Tells the browser that an accelerated surface has swapped.
 417 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 418                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 419 #endif
 420
 421 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext,
 422                      GURL /* url */)
 423
 424 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
 425                      bool /* offscreen */,
 426                      gpu::error::ContextLostReason /* reason */,
 427                      GURL /* url */)
 428
 429 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext,
 430                      GURL /* url */)
 431
 432 // Tells the browser about GPU memory usage statistics for UMA logging.
 433 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
 434                      content::GPUMemoryUmaStats /* GPU memory UMA stats */)
 435
 436 // Response to GpuMsg_RelinquishResources.
 437 IPC_MESSAGE_CONTROL0(GpuHostMsg_ResourcesRelinquished)
 438
 439 // Tells the browser that a context has subscribed to a new target and
 440 // the browser should start sending the corresponding information
 441 IPC_MESSAGE_CONTROL2(GpuHostMsg_AddSubscription,
 442                      int32 /* client_id */,
 443                      unsigned int /* target */)
 444
 445 // Tells the browser that no contexts are subscribed to the target anymore
 446 // so the browser should stop sending the corresponding information
 447 IPC_MESSAGE_CONTROL2(GpuHostMsg_RemoveSubscription,
 448                      int32 /* client_id */,
 449                      unsigned int /* target */)
 450
 451 //------------------------------------------------------------------------------
 452 // GPU Channel Messages
 453 // These are messages from a renderer process to the GPU process.
 454
 455 // Tells the GPU process to create a new command buffer that renders to an
 456 // offscreen frame buffer.
 457 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 458                             gfx::Size, /* size */
 459                             GPUCreateCommandBufferConfig, /* init_params */
 460                             int32, /* route_id */
 461                             bool /* succeeded */)
 462
 463 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 464 // destructor, so that the stub deletes the actual CommandBufferService
 465 // object that it's hosting.
 466 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 467                             int32 /* instance_id */)
 468
 469 #if defined(OS_ANDROID)
 470 //------------------------------------------------------------------------------
 471 // Stream Texture Messages
 472 // Tells the GPU process create and send the java surface texture object to
 473 // the renderer process through the binder thread.
 474 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 475                     int32, /* primary_id */
 476                     int32  /* secondary_id */)
 477
 478 // Tells the GPU process to set the size of StreamTexture from the given
 479 // stream Id.
 480 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 481                     gfx::Size /* size */)
 482
 483 // Tells the service-side instance to start sending frame available
 484 // notifications.
 485 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 486
 487 // Inform the renderer that a new frame is available.
 488 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 489
 490 // Inform the renderer process that the transform matrix has changed.
 491 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 492                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 493 #endif
 494
 495 //------------------------------------------------------------------------------
 496 // GPU Command Buffer Messages
 497 // These are messages between a renderer process to the GPU process relating to
 498 // a single OpenGL context.
 499 // Initialize a command buffer with the given number of command entries.
 500 // Returns the shared memory handle for the command buffer mapped to the
 501 // calling process.
 502 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 503                            base::SharedMemoryHandle /* shared_state */,
 504                            bool /* result */,
 505                            gpu::Capabilities /* capabilities */)
 506
 507 // Sets the shared memory buffer used for commands.
 508 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 509                            int32 /* shm_id */)
 510
 511 // Produces the front buffer into a mailbox. This allows another context to draw
 512 // the output of this context.
 513 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 514                     gpu::Mailbox /* mailbox */)
 515
 516 // Wait until the token is in a specific range, inclusive.
 517 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
 518                            int32 /* start */,
 519                            int32 /* end */,
 520                            gpu::CommandBuffer::State /* state */)
 521
 522 // Wait until the get offset is in a specific range, inclusive.
 523 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
 524                            int32 /* start */,
 525                            int32 /* end */,
 526                            gpu::CommandBuffer::State /* state */)
 527
 528 // Asynchronously synchronize the put and get offsets of both processes.
 529 // Caller passes its current put offset. Current state (including get offset)
 530 // is returned in shared memory. The input latency info for the current
 531 // frame is also sent to the GPU process.
 532 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_AsyncFlush,
 533                     int32 /* put_offset */,
 534                     uint32 /* flush_count */,
 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_ROUTED2(GpuCommandBufferMsg_Destroyed,
 580                     gpu::error::ContextLostReason, /* reason */
 581                     gpu::error::Error /* error */)
 582
 583 // Tells the browser that SwapBuffers returned and passes latency info
 584 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SwapBuffersCompleted,
 585                     std::vector<ui::LatencyInfo> /* latency_info */,
 586                     gfx::SwapResult /* result */)
 587
 588 // Tells the browser about updated parameters for vsync alignment.
 589 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_UpdateVSyncParameters,
 590                     base::TimeTicks /* timebase */,
 591                     base::TimeDelta /* interval */)
 592
 593 // Send to stub on surface visibility change.
 594 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 595
 596 // Sent to proxy when the gpu memory manager changes its memory allocation.
 597 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 598                     gpu::MemoryAllocation /* allocation */)
 599
 600 // Sent to stub when proxy is assigned a memory allocation changed callback.
 601 IPC_MESSAGE_ROUTED1(
 602     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 603     bool /* has_callback */)
 604
 605 // Inserts a sync point into the channel. This is handled on the IO thread, so
 606 // can be expected to be reasonably fast, but the sync point is actually
 607 // retired in order with respect to the other calls. The sync point is shared
 608 // across channels.
 609 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_InsertSyncPoint,
 610                            bool /* retire */,
 611                            uint32 /* sync_point */)
 612
 613 // Retires the sync point. Note: this message is not sent explicitly by the
 614 // renderer, but is synthesized by the GPU process.
 615 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 616                     uint32 /* sync_point */)
 617
 618 // Makes this command buffer signal when a sync point is reached, by sending
 619 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 620 // signal_id.
 621 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 622                     uint32 /* sync_point */,
 623                     uint32 /* signal_id */)
 624
 625 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 626 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 627                     uint32 /* signal_id */)
 628
 629 // Makes this command buffer signal when a query is reached, by sending
 630 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 631 // signal_id.
 632 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 633                     uint32 /* query */,
 634                     uint32 /* signal_id */)
 635
 636 // Create an image from an existing gpu memory buffer. The id that can be
 637 // used to identify the image from a command buffer.
 638 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_CreateImage,
 639                     int32 /* id */,
 640                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 641                     gfx::Size /* size */,
 642                     gfx::GpuMemoryBuffer::Format /* format */,
 643                     uint32 /* internalformat */)
 644
 645 // Destroy a previously created image.
 646 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage,
 647                     int32 /* id */)
 648
 649 // Attaches an external image stream to the client texture.
 650 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 651                            uint32, /* client_texture_id */
 652                            int32, /* stream_id */
 653                            bool /* succeeded */)
 654
 655 //------------------------------------------------------------------------------
 656 // Accelerated Video Decoder Messages
 657 // These messages are sent from Renderer process to GPU process.
 658
 659 // Send input buffer for decoding.
 660 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 661                     base::SharedMemoryHandle, /* input_buffer_handle */
 662                     int32, /* bitstream_buffer_id */
 663                     uint32) /* size */
 664
 665 // Sent from Renderer process to the GPU process to give the texture IDs for
 666 // the textures the decoder will use for output.
 667 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 668                     std::vector<int32>,  /* Picture buffer ID */
 669                     std::vector<uint32>) /* Texture ID */
 670
 671 // Send from Renderer process to the GPU process to recycle the given picture
 672 // buffer for further decoding.
 673 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 674                     int32) /* Picture buffer ID */
 675
 676 // Send flush request to the decoder.
 677 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 678
 679 // Send reset request to the decoder.
 680 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 681
 682 // Send destroy request to the decoder.
 683 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 684
 685 //------------------------------------------------------------------------------
 686 // Accelerated Video Decoder Host Messages
 687 // These messages are sent from GPU process to Renderer process.
 688 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 689 // created.
 690
 691 // Accelerated video decoder has consumed input buffer from transfer buffer.
 692 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 693                     int32) /* Processed buffer ID */
 694
 695 // Allocate video frames for output of the hardware video decoder.
 696 IPC_MESSAGE_ROUTED3(
 697     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 698     int32, /* Number of video frames to generate */
 699     gfx::Size, /* Requested size of buffer */
 700     uint32 ) /* Texture target */
 701
 702 // Decoder reports that a picture is ready and buffer does not need to be passed
 703 // back to the decoder.
 704 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 705                     int32) /* Picture buffer ID */
 706
 707 // Decoder reports that a picture is ready.
 708 IPC_MESSAGE_ROUTED4(AcceleratedVideoDecoderHostMsg_PictureReady,
 709                     int32,     /* Picture buffer ID */
 710                     int32,     /* Bitstream buffer ID */
 711                     gfx::Rect, /* Visible rectangle */
 712                     bool)      /* Buffer is HW overlay capable */
 713
 714 // Confirm decoder has been flushed.
 715 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 716
 717 // Confirm decoder has been reset.
 718 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 719
 720 // Video decoder has encountered an error.
 721 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 722                     uint32) /* Error ID */
 723
 724 //------------------------------------------------------------------------------
 725 // Accelerated Video Encoder Messages
 726 // These messages are sent from the Renderer process to GPU process.
 727
 728 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by
 729 // AcceleratedVideoEncoderHostMsg_NotifyInputDone.
 730 IPC_MESSAGE_ROUTED5(AcceleratedVideoEncoderMsg_Encode,
 731                     int32 /* frame_id */,
 732                     base::SharedMemoryHandle /* buffer_handle */,
 733                     uint32 /* buffer_offset */,
 734                     uint32 /* buffer_size */,
 735                     bool /* force_keyframe */)
 736
 737 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 738 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 739 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 740                     int32 /* buffer_id */,
 741                     base::SharedMemoryHandle /* buffer_handle */,
 742                     uint32 /* buffer_size */)
 743
 744 // Request a runtime encoding parameter change.
 745 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 746                     uint32 /* bitrate */,
 747                     uint32 /* framerate */)
 748
 749 //------------------------------------------------------------------------------
 750 // Accelerated Video Encoder Host Messages
 751 // These messages are sent from GPU process to Renderer process.
 752
 753 // Notify renderer of the input/output buffer requirements of the encoder.
 754 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 755                     uint32 /* input_count */,
 756                     gfx::Size /* input_coded_size */,
 757                     uint32 /* output_buffer_size */)
 758
 759 // Notify the renderer that the encoder has finished using an input buffer.
 760 // There is no congruent entry point in the media::VideoEncodeAccelerator
 761 // interface, in VEA this same done condition is indicated by dropping the
 762 // reference to the media::VideoFrame passed to VEA::Encode().
 763 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 764                     int32 /* frame_id */)
 765
 766 // Notify the renderer that an output buffer has been filled with encoded data.
 767 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 768                     int32 /* bitstream_buffer_id */,
 769                     uint32 /* payload_size */,
 770                     bool /* key_frame */)
 771
 772 // Report error condition.
 773 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 774                     media::VideoEncodeAccelerator::Error /* error */)
 775
 776 // Send destroy request to the encoder.
 777 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)
 778
 779 //------------------------------------------------------------------------------
 780 // Accelerated JPEG Decoder Messages
 781 // These messages are sent from the Browser process to GPU process.
 782
 783 // Decode one JPEG image from shared memory |input_buffer_handle| with size
 784 // |input_buffer_size|. The input buffer is associated with |input_buffer_id|
 785 // and the size of JPEG image is |coded_size|. Decoded I420 frame data will
 786 // be put onto shared memory associated with |output_video_frame_handle|
 787 // with size limit |output_buffer_size|.
 788 IPC_MESSAGE_ROUTED1(AcceleratedJpegDecoderMsg_Decode,
 789                     AcceleratedJpegDecoderMsg_Decode_Params)
 790
 791 // Send destroy request to the decoder.
 792 IPC_MESSAGE_ROUTED0(AcceleratedJpegDecoderMsg_Destroy)
 793
 794 //------------------------------------------------------------------------------
 795 // Accelerated JPEG Decoder Host Messages
 796 // These messages are sent from the GPU process to Browser process.
 797 //
 798 // Report decode status.
 799 IPC_MESSAGE_ROUTED2(AcceleratedJpegDecoderHostMsg_DecodeAck,
 800                     int32, /* bitstream_buffer_id */
 801                     media::JpegDecodeAccelerator::Error /* error */)