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