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