src/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 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::VideoCodecProfile,
  68                               gpu::VIDEO_CODEC_PROFILE_MIN,
  69                               gpu::VIDEO_CODEC_PROFILE_MAX)
  70
  71 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  72   IPC_STRUCT_MEMBER(int32, share_group_id)
  73   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  74   IPC_STRUCT_MEMBER(GURL, active_url)
  75   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  76 IPC_STRUCT_END()
  77
  78 IPC_STRUCT_BEGIN(GpuMsg_CreateGpuMemoryBuffer_Params)
  79   IPC_STRUCT_MEMBER(gfx::GpuMemoryBufferType, type)
  80   IPC_STRUCT_MEMBER(int32, id)
  81   IPC_STRUCT_MEMBER(gfx::Size, size)
  82   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Format, format)
  83   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Usage, usage)
  84   IPC_STRUCT_MEMBER(int32, client_id)
  85 IPC_STRUCT_END()
  86
  87 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  88   IPC_STRUCT_MEMBER(int32, surface_id)
  89   IPC_STRUCT_MEMBER(uint64, surface_handle)
  90   IPC_STRUCT_MEMBER(int32, route_id)
  91   IPC_STRUCT_MEMBER(gfx::Size, size)
  92   IPC_STRUCT_MEMBER(float, scale_factor)
  93   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  94 IPC_STRUCT_END()
  95
  96 #if defined(OS_MACOSX)
  97 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
  98   // If the browser needs framerate throttling based on GPU back-pressure to be
  99   // disabled (e.g, because the NSView isn't visible but tab capture is active),
 100   // then this is set to true.
 101   IPC_STRUCT_MEMBER(bool, disable_throttling)
 102   // If the browser is drawing to the screen, this is the CGL renderer ID of
 103   // the GL context that the brower is using.
 104   IPC_STRUCT_MEMBER(int32, renderer_id)
 105 IPC_STRUCT_END()
 106 #endif
 107
 108 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
 109   IPC_STRUCT_MEMBER(int32, id)
 110   IPC_STRUCT_MEMBER(std::string, message)
 111 IPC_STRUCT_END()
 112
 113 #if defined(OS_ANDROID)
 114 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
 115   IPC_STRUCT_MEMBER(float, m00)
 116   IPC_STRUCT_MEMBER(float, m01)
 117   IPC_STRUCT_MEMBER(float, m02)
 118   IPC_STRUCT_MEMBER(float, m03)
 119   IPC_STRUCT_MEMBER(float, m10)
 120   IPC_STRUCT_MEMBER(float, m11)
 121   IPC_STRUCT_MEMBER(float, m12)
 122   IPC_STRUCT_MEMBER(float, m13)
 123   IPC_STRUCT_MEMBER(float, m20)
 124   IPC_STRUCT_MEMBER(float, m21)
 125   IPC_STRUCT_MEMBER(float, m22)
 126   IPC_STRUCT_MEMBER(float, m23)
 127   IPC_STRUCT_MEMBER(float, m30)
 128   IPC_STRUCT_MEMBER(float, m31)
 129   IPC_STRUCT_MEMBER(float, m32)
 130   IPC_STRUCT_MEMBER(float, m33)
 131 IPC_STRUCT_END()
 132 #endif
 133
 134   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 135   IPC_STRUCT_TRAITS_MEMBER(values)
 136   IPC_STRUCT_TRAITS_MEMBER(children)
 137 IPC_STRUCT_TRAITS_END()
 138
 139 IPC_STRUCT_TRAITS_BEGIN(gpu::GpuPerformanceStats)
 140   IPC_STRUCT_TRAITS_MEMBER(graphics)
 141   IPC_STRUCT_TRAITS_MEMBER(gaming)
 142   IPC_STRUCT_TRAITS_MEMBER(overall)
 143 IPC_STRUCT_TRAITS_END()
 144
 145 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 146   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 147   IPC_STRUCT_TRAITS_MEMBER(device_id)
 148   IPC_STRUCT_TRAITS_MEMBER(active)
 149   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 150   IPC_STRUCT_TRAITS_MEMBER(device_string)
 151 IPC_STRUCT_TRAITS_END()
 152
 153 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoEncodeAcceleratorSupportedProfile)
 154   IPC_STRUCT_TRAITS_MEMBER(profile)
 155   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 156   IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator)
 157   IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator)
 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_MEMBER(video_encode_accelerator_supported_profiles)
 196 IPC_STRUCT_TRAITS_END()
 197
 198 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 199   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 200   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 201 IPC_STRUCT_TRAITS_END()
 202
 203 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 204   IPC_STRUCT_TRAITS_MEMBER(process_map)
 205   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 206   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 207 IPC_STRUCT_TRAITS_END()
 208
 209 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 210   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 211   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 212   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 213 IPC_STRUCT_TRAITS_END()
 214
 215 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 216   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 217   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 218 IPC_STRUCT_TRAITS_END()
 219
 220 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 221   IPC_STRUCT_TRAITS_MEMBER(handle)
 222   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 223   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 224 IPC_STRUCT_TRAITS_END()
 225
 226 //------------------------------------------------------------------------------
 227 // GPU Messages
 228 // These are messages from the browser to the GPU process.
 229
 230 // Tells the GPU process to initialize itself. The browser explicitly
 231 // requests this be done so that we are guaranteed that the channel is set
 232 // up between the browser and GPU process before doing any work that might
 233 // potentially crash the GPU process. Detection of the child process
 234 // exiting abruptly is predicated on having the IPC channel set up.
 235 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 236
 237 // Tells the GPU process to create a new channel for communication with a
 238 // given client.  The channel name is returned in a
 239 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 240 // the GPU process reuses an existing channel to that process if it exists.
 241 // This ID is a unique opaque identifier generated by the browser process.
 242 IPC_MESSAGE_CONTROL3(GpuMsg_EstablishChannel,
 243                      int /* client_id */,
 244                      bool /* share_context */,
 245                      bool /* allow_future_sync_points */)
 246
 247 // Tells the GPU process to close the channel identified by IPC channel
 248 // handle.  If no channel can be identified, do nothing.
 249 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 250                      IPC::ChannelHandle /* channel_handle */)
 251
 252 // Tells the GPU process to create a new command buffer that renders directly
 253 // to a native view. A corresponding GpuCommandBufferStub is created.
 254 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 255                      gfx::GLSurfaceHandle, /* compositing_surface */
 256                      int32, /* surface_id */
 257                      int32, /* client_id */
 258                      GPUCreateCommandBufferConfig, /* init_params */
 259                      int32 /* route_id */)
 260
 261 // Tells the GPU process to create a new gpu memory buffer.
 262 IPC_MESSAGE_CONTROL1(GpuMsg_CreateGpuMemoryBuffer,
 263                      GpuMsg_CreateGpuMemoryBuffer_Params)
 264
 265 // Tells the GPU process to destroy buffer.
 266 IPC_MESSAGE_CONTROL4(GpuMsg_DestroyGpuMemoryBuffer,
 267                      gfx::GpuMemoryBufferType, /* type */
 268                      gfx::GpuMemoryBufferId, /* id */
 269                      int32, /* client_id */
 270                      int32 /* sync_point */)
 271
 272 // Tells the GPU process to create a context for collecting graphics card
 273 // information.
 274 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 275
 276 // Tells the GPU process to report video_memory information for the task manager
 277 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 278
 279 #if defined(OS_MACOSX)
 280 // Tells the GPU process that the browser process has handled the swap
 281 // buffers or post sub-buffer request.
 282 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 283                     AcceleratedSurfaceMsg_BufferPresented_Params)
 284 #endif
 285
 286 // Tells the GPU process to wake up the GPU because we're about to draw.
 287 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 288
 289 // Tells the GPU process to remove all contexts.
 290 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 291
 292 // Tells the GPU process to crash.
 293 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 294
 295 // Tells the GPU process to hang.
 296 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 297
 298 // Tells the GPU process to disable the watchdog thread.
 299 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 300
 301 // Tells the GPU process that the browser has seen a GPU switch.
 302 IPC_MESSAGE_CONTROL0(GpuMsg_GpuSwitched)
 303
 304 //------------------------------------------------------------------------------
 305 // GPU Host Messages
 306 // These are messages to the browser.
 307
 308 // A renderer sends this when it wants to create a connection to the GPU
 309 // process. The browser will create the GPU process if necessary, and will
 310 // return a handle to the channel via a GpuChannelEstablished message.
 311 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 312                             content::CauseForGpuLaunch,
 313                             int /* client id */,
 314                             IPC::ChannelHandle /* handle to channel */,
 315                             gpu::GPUInfo /* stats about GPU process*/)
 316
 317 // A renderer sends this to the browser process when it wants to
 318 // create a GL context associated with the given view_id.
 319 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 320                             int32, /* surface_id */
 321                             GPUCreateCommandBufferConfig, /* init_params */
 322                             int32, /* route_id */
 323                             content::CreateCommandBufferResult /* result */)
 324
 325 // Response from GPU to a GputMsg_Initialize message.
 326 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 327                      bool /* result */,
 328                      ::gpu::GPUInfo /* gpu_info */)
 329
 330 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 331 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 332                      IPC::ChannelHandle /* channel_handle */)
 333
 334 // Message from GPU to notify to destroy the channel.
 335 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 336                      int32 /* client_id */)
 337
 338 // Message to cache the given shader information.
 339 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 340                      int32 /* client_id */,
 341                      std::string /* key */,
 342                      std::string /* shader */)
 343
 344 // Message to the GPU that a shader was loaded from disk.
 345 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 346                      std::string /* encoded shader */)
 347
 348 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 349 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 350                      content::CreateCommandBufferResult /* result */)
 351
 352 // Request from GPU to free the browser resources associated with the
 353 // command buffer.
 354 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 355                      int32 /* surface_id */)
 356
 357 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message.
 358 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated,
 359                      gfx::GpuMemoryBufferHandle /* handle */)
 360
 361 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 362 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 363                      gpu::GPUInfo /* GPU logging stats */)
 364
 365 // Response from GPU to a GpuMsg_GetVideoMemory.
 366 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 367                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 368
 369 // Message from GPU to add a GPU log message to the about:gpu page.
 370 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 371                      int /*severity*/,
 372                      std::string /* header */,
 373                      std::string /* message */)
 374
 375 // Tells the browser that a new accelerated surface was initialized.
 376 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 377                      int32 /* surface_id */,
 378                      int32 /* route_id */)
 379
 380 // Same as above with a rect of the part of the surface that changed.
 381 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 382                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 383
 384 // Tells the browser about updated parameters for vsync alignment.
 385 IPC_MESSAGE_CONTROL3(GpuHostMsg_UpdateVSyncParameters,
 386                      int32 /* surface_id */,
 387                      base::TimeTicks /* timebase */,
 388                      base::TimeDelta /* interval */)
 389
 390 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext,
 391                      GURL /* url */)
 392
 393 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
 394                      bool /* offscreen */,
 395                      gpu::error::ContextLostReason /* reason */,
 396                      GURL /* url */)
 397
 398 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext,
 399                      GURL /* url */)
 400
 401 // Tells the browser about GPU memory usage statistics for UMA logging.
 402 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
 403                      content::GPUMemoryUmaStats /* GPU memory UMA stats */)
 404
 405 //------------------------------------------------------------------------------
 406 // GPU Channel Messages
 407 // These are messages from a renderer process to the GPU process.
 408
 409 // Tells the GPU process to create a new command buffer that renders to an
 410 // offscreen frame buffer.
 411 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 412                             gfx::Size, /* size */
 413                             GPUCreateCommandBufferConfig, /* init_params */
 414                             int32, /* route_id */
 415                             bool /* succeeded */)
 416
 417 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 418 // destructor, so that the stub deletes the actual CommandBufferService
 419 // object that it's hosting.
 420 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 421                             int32 /* instance_id */)
 422
 423 // Sent by DevTools agent in the inspected renderer process to initiate GPU
 424 // instrumentation events recording.
 425 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_DevToolsStartEventsRecording,
 426                             int32, /* route_id */
 427                             bool /* succeeded */)
 428
 429 // The message is sent when DevTools want to stop events recording.
 430 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording)
 431
 432 #if defined(OS_ANDROID)
 433 //------------------------------------------------------------------------------
 434 // Stream Texture Messages
 435 // Tells the GPU process create and send the java surface texture object to
 436 // the renderer process through the binder thread.
 437 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 438                     int32, /* primary_id */
 439                     int32  /* secondary_id */)
 440
 441 // Tells the GPU process to set the size of StreamTexture from the given
 442 // stream Id.
 443 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 444                     gfx::Size /* size */)
 445
 446 // Tells the service-side instance to start sending frame available
 447 // notifications.
 448 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 449
 450 // Inform the renderer that a new frame is available.
 451 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 452
 453 // Inform the renderer process that the transform matrix has changed.
 454 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 455                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 456 #endif
 457
 458 //------------------------------------------------------------------------------
 459 // GPU Command Buffer Messages
 460 // These are messages between a renderer process to the GPU process relating to
 461 // a single OpenGL context.
 462 // Initialize a command buffer with the given number of command entries.
 463 // Returns the shared memory handle for the command buffer mapped to the
 464 // calling process.
 465 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 466                            base::SharedMemoryHandle /* shared_state */,
 467                            bool /* result */,
 468                            gpu::Capabilities /* capabilities */)
 469
 470 // Sets the shared memory buffer used for commands.
 471 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 472                            int32 /* shm_id */)
 473
 474 // Produces the front buffer into a mailbox. This allows another context to draw
 475 // the output of this context.
 476 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 477                     gpu::Mailbox /* mailbox */)
 478
 479 // Wait until the token is in a specific range, inclusive.
 480 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
 481                            int32 /* start */,
 482                            int32 /* end */,
 483                            gpu::CommandBuffer::State /* state */)
 484
 485 // Wait until the get offset is in a specific range, inclusive.
 486 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
 487                            int32 /* start */,
 488                            int32 /* end */,
 489                            gpu::CommandBuffer::State /* state */)
 490
 491 // Asynchronously synchronize the put and get offsets of both processes.
 492 // Caller passes its current put offset. Current state (including get offset)
 493 // is returned in shared memory. The input latency info for the current
 494 // frame is also sent to the GPU process.
 495 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_AsyncFlush,
 496                     int32 /* put_offset */,
 497                     uint32 /* flush_count */,
 498                     std::vector<ui::LatencyInfo> /* latency_info */)
 499
 500 // Asynchronously process any commands known to the GPU process. This is only
 501 // used in the event that a channel is unscheduled and needs to be flushed
 502 // again to process any commands issued subsequent to unscheduling. The GPU
 503 // process actually sends it (deferred) to itself.
 504 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 505
 506 // Sent by the GPU process to display messages in the console.
 507 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 508                     GPUCommandBufferConsoleMessage /* msg */)
 509
 510 // Register an existing shared memory transfer buffer. The id that can be
 511 // used to identify the transfer buffer from a command buffer.
 512 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 513                     int32 /* id */,
 514                     base::SharedMemoryHandle /* transfer_buffer */,
 515                     uint32 /* size */)
 516
 517 // Destroy a previously created transfer buffer.
 518 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 519                     int32 /* id */)
 520
 521 // Create and initialize a hardware video decoder using the specified route_id.
 522 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 523 // no longer needed.
 524 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
 525                            media::VideoCodecProfile /* profile */,
 526                            int32, /* route_id */
 527                            bool /* succeeded */)
 528
 529 // Create and initialize a hardware video encoder using the specified route_id.
 530 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
 531 // no longer needed.
 532 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
 533                            media::VideoFrame::Format /* input_format */,
 534                            gfx::Size /* input_visible_size */,
 535                            media::VideoCodecProfile /* output_profile */,
 536                            uint32 /* initial_bitrate */,
 537                            int32, /* route_id */
 538                            bool /* succeeded */)
 539
 540 // Tells the proxy that there was an error and the command buffer had to be
 541 // destroyed for some reason.
 542 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
 543                     gpu::error::ContextLostReason /* reason */)
 544
 545 // Tells the browser that SwapBuffers returned and passes latency info
 546 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SwapBuffersCompleted,
 547                     std::vector<ui::LatencyInfo> /* latency_info */)
 548
 549 // Send to stub on surface visibility change.
 550 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 551
 552 // Sent to proxy when the gpu memory manager changes its memory allocation.
 553 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 554                     gpu::MemoryAllocation /* allocation */)
 555
 556 // Sent to stub when proxy is assigned a memory allocation changed callback.
 557 IPC_MESSAGE_ROUTED1(
 558     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 559     bool /* has_callback */)
 560
 561 // Inserts a sync point into the channel. This is handled on the IO thread, so
 562 // can be expected to be reasonably fast, but the sync point is actually
 563 // retired in order with respect to the other calls. The sync point is shared
 564 // across channels.
 565 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_InsertSyncPoint,
 566                            bool /* retire */,
 567                            uint32 /* sync_point */)
 568
 569 // Retires the sync point. Note: this message is not sent explicitly by the
 570 // renderer, but is synthesized by the GPU process.
 571 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 572                     uint32 /* sync_point */)
 573
 574 // Makes this command buffer signal when a sync point is reached, by sending
 575 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 576 // signal_id.
 577 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 578                     uint32 /* sync_point */,
 579                     uint32 /* signal_id */)
 580
 581 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 582 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 583                     uint32 /* signal_id */)
 584
 585 // Makes this command buffer signal when a query is reached, by sending
 586 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 587 // signal_id.
 588 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 589                     uint32 /* query */,
 590                     uint32 /* signal_id */)
 591
 592 // Create an image from an existing gpu memory buffer. The id that can be
 593 // used to identify the image from a command buffer.
 594 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_CreateImage,
 595                     int32 /* id */,
 596                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 597                     gfx::Size /* size */,
 598                     gfx::GpuMemoryBuffer::Format /* format */,
 599                     uint32 /* internalformat */)
 600
 601 // Destroy a previously created image.
 602 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage,
 603                     int32 /* id */)
 604
 605 // Attaches an external image stream to the client texture.
 606 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 607                            uint32, /* client_texture_id */
 608                            int32, /* stream_id */
 609                            bool /* succeeded */)
 610
 611 //------------------------------------------------------------------------------
 612 // Accelerated Video Decoder Messages
 613 // These messages are sent from Renderer process to GPU process.
 614
 615 // Send input buffer for decoding.
 616 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 617                     base::SharedMemoryHandle, /* input_buffer_handle */
 618                     int32, /* bitstream_buffer_id */
 619                     uint32) /* size */
 620
 621 // Sent from Renderer process to the GPU process to give the texture IDs for
 622 // the textures the decoder will use for output.
 623 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 624                     std::vector<int32>,  /* Picture buffer ID */
 625                     std::vector<uint32>) /* Texture ID */
 626
 627 // Send from Renderer process to the GPU process to recycle the given picture
 628 // buffer for further decoding.
 629 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 630                     int32) /* Picture buffer ID */
 631
 632 // Send flush request to the decoder.
 633 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 634
 635 // Send reset request to the decoder.
 636 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 637
 638 // Send destroy request to the decoder.
 639 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 640
 641 //------------------------------------------------------------------------------
 642 // Accelerated Video Decoder Host Messages
 643 // These messages are sent from GPU process to Renderer process.
 644 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 645 // created.
 646
 647 // Accelerated video decoder has consumed input buffer from transfer buffer.
 648 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 649                     int32) /* Processed buffer ID */
 650
 651 // Allocate video frames for output of the hardware video decoder.
 652 IPC_MESSAGE_ROUTED3(
 653     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 654     int32, /* Number of video frames to generate */
 655     gfx::Size, /* Requested size of buffer */
 656     uint32 ) /* Texture target */
 657
 658 // Decoder reports that a picture is ready and buffer does not need to be passed
 659 // back to the decoder.
 660 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 661                     int32) /* Picture buffer ID */
 662
 663 // Decoder reports that a picture is ready.
 664 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderHostMsg_PictureReady,
 665                     int32,     /* Picture buffer ID */
 666                     int32,     /* Bitstream buffer ID */
 667                     gfx::Rect) /* Visible rectangle */
 668
 669 // Confirm decoder has been flushed.
 670 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 671
 672 // Confirm decoder has been reset.
 673 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 674
 675 // Video decoder has encountered an error.
 676 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 677                     uint32) /* Error ID */
 678
 679 //------------------------------------------------------------------------------
 680 // Accelerated Video Encoder Messages
 681 // These messages are sent from the Renderer process to GPU process.
 682
 683 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by
 684 // AcceleratedVideoEncoderHostMsg_NotifyEncodeDone.
 685 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Encode,
 686                     int32 /* frame_id */,
 687                     base::SharedMemoryHandle /* buffer_handle */,
 688                     uint32 /* buffer_size */,
 689                     bool /* force_keyframe */)
 690
 691 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 692 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 693 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 694                     int32 /* buffer_id */,
 695                     base::SharedMemoryHandle /* buffer_handle */,
 696                     uint32 /* buffer_size */)
 697
 698 // Request a runtime encoding parameter change.
 699 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 700                     uint32 /* bitrate */,
 701                     uint32 /* framerate */)
 702
 703 //------------------------------------------------------------------------------
 704 // Accelerated Video Encoder Host Messages
 705 // These messages are sent from GPU process to Renderer process.
 706
 707 // Notify renderer of the input/output buffer requirements of the encoder.
 708 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 709                     uint32 /* input_count */,
 710                     gfx::Size /* input_coded_size */,
 711                     uint32 /* output_buffer_size */)
 712
 713 // Notify the renderer that the encoder has finished using an input buffer.
 714 // There is no congruent entry point in the media::VideoEncodeAccelerator
 715 // interface, in VEA this same done condition is indicated by dropping the
 716 // reference to the media::VideoFrame passed to VEA::Encode().
 717 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 718                     int32 /* frame_id */)
 719
 720 // Notify the renderer that an output buffer has been filled with encoded data.
 721 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 722                     int32 /* bitstream_buffer_id */,
 723                     uint32 /* payload_size */,
 724                     bool /* key_frame */)
 725
 726 // Report error condition.
 727 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 728                     media::VideoEncodeAccelerator::Error /* error */)
 729
 730 // Send destroy request to the encoder.
 731 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)