content/common/gpu/gpu_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Multiply-included message file, hence no include guard here, but see below
   6 // for a much smaller-than-usual include guard section.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/shared_memory.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/content_param_traits.h"
  14 #include "content/common/gpu/gpu_memory_uma_stats.h"
  15 #include "content/common/gpu/gpu_process_launch_causes.h"
  16 #include "content/common/gpu/gpu_result_codes.h"
  17 #include "content/public/common/common_param_traits.h"
  18 #include "content/public/common/gpu_memory_stats.h"
  19 #include "gpu/command_buffer/common/capabilities.h"
  20 #include "gpu/command_buffer/common/command_buffer.h"
  21 #include "gpu/command_buffer/common/constants.h"
  22 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
  23 #include "gpu/command_buffer/common/mailbox.h"
  24 #include "gpu/command_buffer/common/value_state.h"
  25 #include "gpu/config/gpu_info.h"
  26 #include "gpu/ipc/gpu_command_buffer_traits.h"
  27 #include "ipc/ipc_channel_handle.h"
  28 #include "ipc/ipc_message_macros.h"
  29 #include "media/base/video_types.h"
  30 #include "media/video/jpeg_decode_accelerator.h"
  31 #include "media/video/video_decode_accelerator.h"
  32 #include "media/video/video_encode_accelerator.h"
  33 #include "ui/events/latency_info.h"
  34 #include "ui/gfx/geometry/size.h"
  35 #include "ui/gfx/gpu_memory_buffer.h"
  36 #include "ui/gfx/native_widget_types.h"
  37 #include "ui/gfx/swap_result.h"
  38 #include "ui/gl/gpu_preference.h"
  39
  40 #if defined(OS_ANDROID)
  41 #include "content/common/android/surface_texture_peer.h"
  42 #endif
  43
  44 #undef IPC_MESSAGE_EXPORT
  45 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  46
  47 #define IPC_MESSAGE_START GpuMsgStart
  48
  49 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch,
  50                           content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1)
  51 IPC_ENUM_TRAITS_MAX_VALUE(content::CreateCommandBufferResult,
  52                           content::CREATE_COMMAND_BUFFER_RESULT_LAST)
  53 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference,
  54                           gfx::GpuPreferenceLast)
  55 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType,
  56                           gfx::SURFACE_TYPE_LAST)
  57 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SwapResult, gfx::SwapResult::SWAP_RESULT_LAST)
  58 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff,
  59                           gpu::MemoryAllocation::CUTOFF_LAST)
  60 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::Error, gpu::error::kErrorLast)
  61 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason,
  62                           gpu::error::kContextLostReasonLast)
  63 IPC_ENUM_TRAITS_MAX_VALUE(media::JpegDecodeAccelerator::Error,
  64                           media::JpegDecodeAccelerator::LARGEST_ERROR_ENUM)
  65 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error,
  66                           media::VideoEncodeAccelerator::kErrorMax)
  67 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
  68                               media::VIDEO_CODEC_PROFILE_MIN,
  69                               media::VIDEO_CODEC_PROFILE_MAX)
  70 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::CollectInfoResult,
  71                               gpu::kCollectInfoNone,
  72                               gpu::kCollectInfoFatalFailure)
  73 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::VideoCodecProfile,
  74                               gpu::VIDEO_CODEC_PROFILE_MIN,
  75                               gpu::VIDEO_CODEC_PROFILE_MAX)
  76
  77 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  78   IPC_STRUCT_MEMBER(int32, share_group_id)
  79   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  80   IPC_STRUCT_MEMBER(GURL, active_url)
  81   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  82 IPC_STRUCT_END()
  83
  84 IPC_STRUCT_BEGIN(GpuMsg_CreateGpuMemoryBuffer_Params)
  85   IPC_STRUCT_MEMBER(int32, id)
  86   IPC_STRUCT_MEMBER(gfx::Size, size)
  87   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Format, format)
  88   IPC_STRUCT_MEMBER(gfx::GpuMemoryBuffer::Usage, usage)
  89   IPC_STRUCT_MEMBER(int32, client_id)
  90   IPC_STRUCT_MEMBER(gfx::PluginWindowHandle, surface_handle)
  91 IPC_STRUCT_END()
  92
  93 #if defined(OS_MACOSX)
  94 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  95   IPC_STRUCT_MEMBER(int32, surface_id)
  96   IPC_STRUCT_MEMBER(uint64, surface_handle)
  97   IPC_STRUCT_MEMBER(int32, route_id)
  98   IPC_STRUCT_MEMBER(gfx::Size, size)
  99   IPC_STRUCT_MEMBER(gfx::Rect, damage_rect)
 100   IPC_STRUCT_MEMBER(float, scale_factor)
 101   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
 102 IPC_STRUCT_END()
 103
 104 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
 105   // If the browser needs framerate throttling based on GPU back-pressure to be
 106   // disabled (e.g, because the NSView isn't visible but tab capture is active),
 107   // then this is set to true.
 108   IPC_STRUCT_MEMBER(bool, disable_throttling)
 109   // If the browser is drawing to the screen, this is the CGL renderer ID of
 110   // the GL context that the brower is using.
 111   IPC_STRUCT_MEMBER(int32, renderer_id)
 112 IPC_STRUCT_END()
 113 #endif
 114
 115 IPC_STRUCT_BEGIN(AcceleratedJpegDecoderMsg_Decode_Params)
 116   IPC_STRUCT_MEMBER(int32, input_buffer_id)
 117   IPC_STRUCT_MEMBER(gfx::Size, coded_size)
 118   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, input_buffer_handle)
 119   IPC_STRUCT_MEMBER(uint32, input_buffer_size)
 120   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, output_video_frame_handle)
 121   IPC_STRUCT_MEMBER(uint32, output_buffer_size)
 122 IPC_STRUCT_END()
 123
 124 IPC_STRUCT_BEGIN(AcceleratedVideoEncoderMsg_Encode_Params)
 125   IPC_STRUCT_MEMBER(int32_t, frame_id)
 126   IPC_STRUCT_MEMBER(base::SharedMemoryHandle, buffer_handle)
 127   IPC_STRUCT_MEMBER(uint32_t, buffer_offset)
 128   IPC_STRUCT_MEMBER(uint32_t, buffer_size)
 129   IPC_STRUCT_MEMBER(bool, force_keyframe)
 130 IPC_STRUCT_END()
 131
 132 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
 133   IPC_STRUCT_MEMBER(int32, id)
 134   IPC_STRUCT_MEMBER(std::string, message)
 135 IPC_STRUCT_END()
 136
 137 #if defined(OS_ANDROID)
 138 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
 139   IPC_STRUCT_MEMBER(float, m00)
 140   IPC_STRUCT_MEMBER(float, m01)
 141   IPC_STRUCT_MEMBER(float, m02)
 142   IPC_STRUCT_MEMBER(float, m03)
 143   IPC_STRUCT_MEMBER(float, m10)
 144   IPC_STRUCT_MEMBER(float, m11)
 145   IPC_STRUCT_MEMBER(float, m12)
 146   IPC_STRUCT_MEMBER(float, m13)
 147   IPC_STRUCT_MEMBER(float, m20)
 148   IPC_STRUCT_MEMBER(float, m21)
 149   IPC_STRUCT_MEMBER(float, m22)
 150   IPC_STRUCT_MEMBER(float, m23)
 151   IPC_STRUCT_MEMBER(float, m30)
 152   IPC_STRUCT_MEMBER(float, m31)
 153   IPC_STRUCT_MEMBER(float, m32)
 154   IPC_STRUCT_MEMBER(float, m33)
 155 IPC_STRUCT_END()
 156 #endif
 157
 158   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 159   IPC_STRUCT_TRAITS_MEMBER(values)
 160   IPC_STRUCT_TRAITS_MEMBER(children)
 161 IPC_STRUCT_TRAITS_END()
 162
 163 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 164   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 165   IPC_STRUCT_TRAITS_MEMBER(device_id)
 166   IPC_STRUCT_TRAITS_MEMBER(active)
 167   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 168   IPC_STRUCT_TRAITS_MEMBER(device_string)
 169 IPC_STRUCT_TRAITS_END()
 170
 171 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoDecodeAcceleratorSupportedProfile)
 172   IPC_STRUCT_TRAITS_MEMBER(profile)
 173   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 174   IPC_STRUCT_TRAITS_MEMBER(min_resolution)
 175 IPC_STRUCT_TRAITS_END()
 176
 177 IPC_STRUCT_TRAITS_BEGIN(gpu::VideoEncodeAcceleratorSupportedProfile)
 178   IPC_STRUCT_TRAITS_MEMBER(profile)
 179   IPC_STRUCT_TRAITS_MEMBER(max_resolution)
 180   IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator)
 181   IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator)
 182 IPC_STRUCT_TRAITS_END()
 183
 184 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo)
 185   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
 186   IPC_STRUCT_TRAITS_MEMBER(optimus)
 187   IPC_STRUCT_TRAITS_MEMBER(amd_switchable)
 188   IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute)
 189   IPC_STRUCT_TRAITS_MEMBER(gpu)
 190   IPC_STRUCT_TRAITS_MEMBER(secondary_gpus)
 191   IPC_STRUCT_TRAITS_MEMBER(adapter_luid)
 192   IPC_STRUCT_TRAITS_MEMBER(driver_vendor)
 193   IPC_STRUCT_TRAITS_MEMBER(driver_version)
 194   IPC_STRUCT_TRAITS_MEMBER(driver_date)
 195   IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version)
 196   IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version)
 197   IPC_STRUCT_TRAITS_MEMBER(max_msaa_samples)
 198   IPC_STRUCT_TRAITS_MEMBER(machine_model_name)
 199   IPC_STRUCT_TRAITS_MEMBER(machine_model_version)
 200   IPC_STRUCT_TRAITS_MEMBER(gl_version)
 201   IPC_STRUCT_TRAITS_MEMBER(gl_vendor)
 202   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 203   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 204   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 205   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 206   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 207   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 208   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 209   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 210   IPC_STRUCT_TRAITS_MEMBER(direct_rendering)
 211   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 212   IPC_STRUCT_TRAITS_MEMBER(process_crash_count)
 213   IPC_STRUCT_TRAITS_MEMBER(in_process_gpu)
 214   IPC_STRUCT_TRAITS_MEMBER(basic_info_state)
 215   IPC_STRUCT_TRAITS_MEMBER(context_info_state)
 216 #if defined(OS_WIN)
 217   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics_info_state)
 218   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 219 #endif
 220   IPC_STRUCT_TRAITS_MEMBER(video_decode_accelerator_supported_profiles)
 221   IPC_STRUCT_TRAITS_MEMBER(video_encode_accelerator_supported_profiles)
 222   IPC_STRUCT_TRAITS_MEMBER(jpeg_decode_accelerator_supported)
 223 IPC_STRUCT_TRAITS_END()
 224
 225 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 226   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 227   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 228 IPC_STRUCT_TRAITS_END()
 229
 230 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 231   IPC_STRUCT_TRAITS_MEMBER(process_map)
 232   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 233   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 234 IPC_STRUCT_TRAITS_END()
 235
 236 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 237   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 238   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 239   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 240 IPC_STRUCT_TRAITS_END()
 241
 242 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 243   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 244   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 245 IPC_STRUCT_TRAITS_END()
 246
 247 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 248   IPC_STRUCT_TRAITS_MEMBER(handle)
 249   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 250   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 251 IPC_STRUCT_TRAITS_END()
 252
 253 //------------------------------------------------------------------------------
 254 // GPU Messages
 255 // These are messages from the browser to the GPU process.
 256
 257 // Tells the GPU process to initialize itself. The browser explicitly
 258 // requests this be done so that we are guaranteed that the channel is set
 259 // up between the browser and GPU process before doing any work that might
 260 // potentially crash the GPU process. Detection of the child process
 261 // exiting abruptly is predicated on having the IPC channel set up.
 262 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 263
 264 // Tells the GPU process to create a new channel for communication with a
 265 // given client.  The channel name is returned in a
 266 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 267 // the GPU process reuses an existing channel to that process if it exists.
 268 // This ID is a unique opaque identifier generated by the browser process.
 269 IPC_MESSAGE_CONTROL3(GpuMsg_EstablishChannel,
 270                      int /* client_id */,
 271                      bool /* share_context */,
 272                      bool /* allow_future_sync_points */)
 273
 274 // Tells the GPU process to close the channel identified by IPC channel
 275 // handle.  If no channel can be identified, do nothing.
 276 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 277                      IPC::ChannelHandle /* channel_handle */)
 278
 279 // Tells the GPU process to create a new command buffer that renders directly
 280 // to a native view. A corresponding GpuCommandBufferStub is created.
 281 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 282                      gfx::GLSurfaceHandle, /* compositing_surface */
 283                      int32, /* surface_id */
 284                      int32, /* client_id */
 285                      GPUCreateCommandBufferConfig, /* init_params */
 286                      int32 /* route_id */)
 287
 288 // Tells the GPU process to create a new gpu memory buffer.
 289 IPC_MESSAGE_CONTROL1(GpuMsg_CreateGpuMemoryBuffer,
 290                      GpuMsg_CreateGpuMemoryBuffer_Params)
 291
 292 // Tells the GPU process to destroy buffer.
 293 IPC_MESSAGE_CONTROL3(GpuMsg_DestroyGpuMemoryBuffer,
 294                      gfx::GpuMemoryBufferId, /* id */
 295                      int32, /* client_id */
 296                      int32 /* sync_point */)
 297
 298 // Create and initialize a hardware jpeg decoder using the specified route_id.
 299 // Created decoders should be freed with AcceleratedJpegDecoderMsg_Destroy when
 300 // no longer needed.
 301 IPC_SYNC_MESSAGE_CONTROL1_1(GpuMsg_CreateJpegDecoder,
 302                             int32 /* route_id */,
 303                             bool /* succeeded */)
 304
 305 // Tells the GPU process to create a context for collecting graphics card
 306 // information.
 307 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 308
 309 // Tells the GPU process to report video_memory information for the task manager
 310 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 311
 312 #if defined(OS_MACOSX)
 313 // Tells the GPU process that the browser process has handled the swap
 314 // buffers or post sub-buffer request.
 315 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 316                     AcceleratedSurfaceMsg_BufferPresented_Params)
 317 #endif
 318
 319 // Tells the GPU process to wake up the GPU because we're about to draw.
 320 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 321
 322 // Tells the GPU process to remove all contexts.
 323 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 324
 325 // Tells the GPU process to crash.
 326 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 327
 328 // Tells the GPU process to hang.
 329 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 330
 331 // Tells the GPU process to disable the watchdog thread.
 332 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 333
 334 // Tells the GPU process that the browser has seen a GPU switch.
 335 IPC_MESSAGE_CONTROL0(GpuMsg_GpuSwitched)
 336
 337 // Tells the GPU process to delete the default_offscreen surface. It will also
 338 // close the display and any other resources when the last GL surface is
 339 // deleted. GPU process will respond with GphHosMsg_ResourcesRelinquished.
 340 IPC_MESSAGE_CONTROL0(GpuMsg_RelinquishResources)
 341
 342 // Sends an input event to the gpu service.
 343 IPC_MESSAGE_CONTROL3(GpuMsg_UpdateValueState,
 344                      int, /* client_id */
 345                      unsigned int, /* target */
 346                      gpu::ValueState /* valuestate */)
 347
 348 //------------------------------------------------------------------------------
 349 // GPU Host Messages
 350 // These are messages to the browser.
 351
 352 // A renderer sends this when it wants to create a connection to the GPU
 353 // process. The browser will create the GPU process if necessary, and will
 354 // return a handle to the channel via a GpuChannelEstablished message.
 355 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 356                             content::CauseForGpuLaunch,
 357                             int /* client id */,
 358                             IPC::ChannelHandle /* handle to channel */,
 359                             gpu::GPUInfo /* stats about GPU process*/)
 360
 361 // A renderer sends this to the browser process when it wants to
 362 // create a GL context associated with the given view_id.
 363 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 364                             int32, /* surface_id */
 365                             GPUCreateCommandBufferConfig, /* init_params */
 366                             int32, /* route_id */
 367                             content::CreateCommandBufferResult /* result */)
 368
 369 // Response from GPU to a GputMsg_Initialize message.
 370 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 371                      bool /* result */,
 372                      ::gpu::GPUInfo /* gpu_info */)
 373
 374 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 375 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 376                      IPC::ChannelHandle /* channel_handle */)
 377
 378 // Message from GPU to notify to destroy the channel.
 379 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 380                      int32 /* client_id */)
 381
 382 // Message to cache the given shader information.
 383 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 384                      int32 /* client_id */,
 385                      std::string /* key */,
 386                      std::string /* shader */)
 387
 388 // Message to the GPU that a shader was loaded from disk.
 389 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 390                      std::string /* encoded shader */)
 391
 392 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 393 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 394                      content::CreateCommandBufferResult /* result */)
 395
 396 // Request from GPU to free the browser resources associated with the
 397 // command buffer.
 398 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 399                      int32 /* surface_id */)
 400
 401 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message.
 402 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated,
 403                      gfx::GpuMemoryBufferHandle /* handle */)
 404
 405 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 406 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 407                      gpu::GPUInfo /* GPU logging stats */)
 408
 409 // Response from GPU to a GpuMsg_GetVideoMemory.
 410 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 411                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 412
 413 // Message from GPU to add a GPU log message to the about:gpu page.
 414 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 415                      int /*severity*/,
 416                      std::string /* header */,
 417                      std::string /* message */)
 418
 419 // Tells the browser that a new accelerated surface was initialized.
 420 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 421                      int32 /* surface_id */,
 422                      int32 /* route_id */)
 423
 424
 425 #if defined(OS_MACOSX)
 426 // Tells the browser that an accelerated surface has swapped.
 427 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 428                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 429 #endif
 430
 431 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext,
 432                      GURL /* url */)
 433
 434 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
 435                      bool /* offscreen */,
 436                      gpu::error::ContextLostReason /* reason */,
 437                      GURL /* url */)
 438
 439 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext,
 440                      GURL /* url */)
 441
 442 // Tells the browser about GPU memory usage statistics for UMA logging.
 443 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
 444                      content::GPUMemoryUmaStats /* GPU memory UMA stats */)
 445
 446 // Response to GpuMsg_RelinquishResources.
 447 IPC_MESSAGE_CONTROL0(GpuHostMsg_ResourcesRelinquished)
 448
 449 // Tells the browser that a context has subscribed to a new target and
 450 // the browser should start sending the corresponding information
 451 IPC_MESSAGE_CONTROL2(GpuHostMsg_AddSubscription,
 452                      int32 /* client_id */,
 453                      unsigned int /* target */)
 454
 455 // Tells the browser that no contexts are subscribed to the target anymore
 456 // so the browser should stop sending the corresponding information
 457 IPC_MESSAGE_CONTROL2(GpuHostMsg_RemoveSubscription,
 458                      int32 /* client_id */,
 459                      unsigned int /* target */)
 460
 461 //------------------------------------------------------------------------------
 462 // GPU Channel Messages
 463 // These are messages from a renderer process to the GPU process.
 464
 465 // Tells the GPU process to create a new command buffer that renders to an
 466 // offscreen frame buffer.
 467 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 468                             gfx::Size, /* size */
 469                             GPUCreateCommandBufferConfig, /* init_params */
 470                             int32, /* route_id */
 471                             bool /* succeeded */)
 472
 473 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 474 // destructor, so that the stub deletes the actual CommandBufferService
 475 // object that it's hosting.
 476 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 477                             int32 /* instance_id */)
 478
 479 #if defined(OS_ANDROID)
 480 //------------------------------------------------------------------------------
 481 // Stream Texture Messages
 482 // Tells the GPU process create and send the java surface texture object to
 483 // the renderer process through the binder thread.
 484 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 485                     int32, /* primary_id */
 486                     int32  /* secondary_id */)
 487
 488 // Tells the GPU process to set the size of StreamTexture from the given
 489 // stream Id.
 490 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 491                     gfx::Size /* size */)
 492
 493 // Tells the service-side instance to start sending frame available
 494 // notifications.
 495 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 496
 497 // Inform the renderer that a new frame is available.
 498 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 499
 500 // Inform the renderer process that the transform matrix has changed.
 501 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 502                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 503 #endif
 504
 505 //------------------------------------------------------------------------------
 506 // GPU Command Buffer Messages
 507 // These are messages between a renderer process to the GPU process relating to
 508 // a single OpenGL context.
 509 // Initialize a command buffer with the given number of command entries.
 510 // Returns the shared memory handle for the command buffer mapped to the
 511 // calling process.
 512 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 513                            base::SharedMemoryHandle /* shared_state */,
 514                            bool /* result */,
 515                            gpu::Capabilities /* capabilities */)
 516
 517 // Sets the shared memory buffer used for commands.
 518 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 519                            int32 /* shm_id */)
 520
 521 // Produces the front buffer into a mailbox. This allows another context to draw
 522 // the output of this context.
 523 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 524                     gpu::Mailbox /* mailbox */)
 525
 526 // Wait until the token is in a specific range, inclusive.
 527 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
 528                            int32 /* start */,
 529                            int32 /* end */,
 530                            gpu::CommandBuffer::State /* state */)
 531
 532 // Wait until the get offset is in a specific range, inclusive.
 533 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
 534                            int32 /* start */,
 535                            int32 /* end */,
 536                            gpu::CommandBuffer::State /* state */)
 537
 538 // Asynchronously synchronize the put and get offsets of both processes.
 539 // Caller passes its current put offset. Current state (including get offset)
 540 // is returned in shared memory. The input latency info for the current
 541 // frame is also sent to the GPU process.
 542 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_AsyncFlush,
 543                     int32 /* put_offset */,
 544                     uint32 /* flush_count */,
 545                     std::vector<ui::LatencyInfo> /* latency_info */)
 546
 547 // Asynchronously process any commands known to the GPU process. This is only
 548 // used in the event that a channel is unscheduled and needs to be flushed
 549 // again to process any commands issued subsequent to unscheduling. The GPU
 550 // process actually sends it (deferred) to itself.
 551 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 552
 553 // Sent by the GPU process to display messages in the console.
 554 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 555                     GPUCommandBufferConsoleMessage /* msg */)
 556
 557 // Register an existing shared memory transfer buffer. The id that can be
 558 // used to identify the transfer buffer from a command buffer.
 559 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 560                     int32 /* id */,
 561                     base::SharedMemoryHandle /* transfer_buffer */,
 562                     uint32 /* size */)
 563
 564 // Destroy a previously created transfer buffer.
 565 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 566                     int32 /* id */)
 567
 568 // Create and initialize a hardware video decoder using the specified route_id.
 569 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 570 // no longer needed.
 571 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
 572                            media::VideoCodecProfile /* profile */,
 573                            int32, /* route_id */
 574                            bool /* succeeded */)
 575
 576 // Create and initialize a hardware video encoder using the specified route_id.
 577 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
 578 // no longer needed.
 579 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
 580                            media::VideoPixelFormat /* input_format */,
 581                            gfx::Size /* input_visible_size */,
 582                            media::VideoCodecProfile /* output_profile */,
 583                            uint32 /* initial_bitrate */,
 584                            int32, /* route_id */
 585                            bool /* succeeded */)
 586
 587 // Tells the proxy that there was an error and the command buffer had to be
 588 // destroyed for some reason.
 589 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_Destroyed,
 590                     gpu::error::ContextLostReason, /* reason */
 591                     gpu::error::Error /* error */)
 592
 593 // Tells the browser that SwapBuffers returned and passes latency info
 594 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SwapBuffersCompleted,
 595                     std::vector<ui::LatencyInfo> /* latency_info */,
 596                     gfx::SwapResult /* result */)
 597
 598 // Tells the browser about updated parameters for vsync alignment.
 599 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_UpdateVSyncParameters,
 600                     base::TimeTicks /* timebase */,
 601                     base::TimeDelta /* interval */)
 602
 603 // Send to stub on surface visibility change.
 604 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 605
 606 // Sent to proxy when the gpu memory manager changes its memory allocation.
 607 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 608                     gpu::MemoryAllocation /* allocation */)
 609
 610 // Sent to stub when proxy is assigned a memory allocation changed callback.
 611 IPC_MESSAGE_ROUTED1(
 612     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 613     bool /* has_callback */)
 614
 615 // Inserts a sync point into the channel. This is handled on the IO thread, so
 616 // can be expected to be reasonably fast, but the sync point is actually
 617 // retired in order with respect to the other calls. The sync point is shared
 618 // across channels.
 619 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_InsertSyncPoint,
 620                            bool /* retire */,
 621                            uint32 /* sync_point */)
 622
 623 // Retires the sync point. Note: this message is not sent explicitly by the
 624 // renderer, but is synthesized by the GPU process.
 625 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 626                     uint32 /* sync_point */)
 627
 628 // Makes this command buffer signal when a sync point is reached, by sending
 629 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 630 // signal_id.
 631 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 632                     uint32 /* sync_point */,
 633                     uint32 /* signal_id */)
 634
 635 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 636 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 637                     uint32 /* signal_id */)
 638
 639 // Makes this command buffer signal when a query is reached, by sending
 640 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 641 // signal_id.
 642 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 643                     uint32 /* query */,
 644                     uint32 /* signal_id */)
 645
 646 // Create an image from an existing gpu memory buffer. The id that can be
 647 // used to identify the image from a command buffer.
 648 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_CreateImage,
 649                     int32 /* id */,
 650                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 651                     gfx::Size /* size */,
 652                     gfx::GpuMemoryBuffer::Format /* format */,
 653                     uint32 /* internalformat */)
 654
 655 // Destroy a previously created image.
 656 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyImage,
 657                     int32 /* id */)
 658
 659 // Attaches an external image stream to the client texture.
 660 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 661                            uint32, /* client_texture_id */
 662                            int32, /* stream_id */
 663                            bool /* succeeded */)
 664
 665 //------------------------------------------------------------------------------
 666 // Accelerated Video Decoder Messages
 667 // These messages are sent from Renderer process to GPU process.
 668
 669 // Send input buffer for decoding.
 670 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 671                     base::SharedMemoryHandle, /* input_buffer_handle */
 672                     int32, /* bitstream_buffer_id */
 673                     uint32) /* size */
 674
 675 // Sent from Renderer process to the GPU process to give the texture IDs for
 676 // the textures the decoder will use for output.
 677 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 678                     std::vector<int32>,  /* Picture buffer ID */
 679                     std::vector<uint32>) /* Texture ID */
 680
 681 // Send from Renderer process to the GPU process to recycle the given picture
 682 // buffer for further decoding.
 683 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 684                     int32) /* Picture buffer ID */
 685
 686 // Send flush request to the decoder.
 687 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 688
 689 // Send reset request to the decoder.
 690 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 691
 692 // Send destroy request to the decoder.
 693 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 694
 695 //------------------------------------------------------------------------------
 696 // Accelerated Video Decoder Host Messages
 697 // These messages are sent from GPU process to Renderer process.
 698 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 699 // created.
 700
 701 // Accelerated video decoder has consumed input buffer from transfer buffer.
 702 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 703                     int32) /* Processed buffer ID */
 704
 705 // Allocate video frames for output of the hardware video decoder.
 706 IPC_MESSAGE_ROUTED3(
 707     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 708     int32, /* Number of video frames to generate */
 709     gfx::Size, /* Requested size of buffer */
 710     uint32 ) /* Texture target */
 711
 712 // Decoder reports that a picture is ready and buffer does not need to be passed
 713 // back to the decoder.
 714 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 715                     int32) /* Picture buffer ID */
 716
 717 // Decoder reports that a picture is ready.
 718 IPC_MESSAGE_ROUTED4(AcceleratedVideoDecoderHostMsg_PictureReady,
 719                     int32,     /* Picture buffer ID */
 720                     int32,     /* Bitstream buffer ID */
 721                     gfx::Rect, /* Visible rectangle */
 722                     bool)      /* Buffer is HW overlay capable */
 723
 724 // Confirm decoder has been flushed.
 725 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 726
 727 // Confirm decoder has been reset.
 728 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 729
 730 // Video decoder has encountered an error.
 731 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 732                     uint32) /* Error ID */
 733
 734 //------------------------------------------------------------------------------
 735 // Accelerated Video Encoder Messages
 736 // These messages are sent from the Renderer process to GPU process.
 737
 738 // Queue a video frame to the encoder to encode. |frame_id| will be returned
 739 // by AcceleratedVideoEncoderHostMsg_NotifyInputDone.
 740 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderMsg_Encode,
 741                     AcceleratedVideoEncoderMsg_Encode_Params)
 742
 743 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 744 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 745 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 746                     int32 /* buffer_id */,
 747                     base::SharedMemoryHandle /* buffer_handle */,
 748                     uint32 /* buffer_size */)
 749
 750 // Request a runtime encoding parameter change.
 751 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 752                     uint32 /* bitrate */,
 753                     uint32 /* framerate */)
 754
 755 //------------------------------------------------------------------------------
 756 // Accelerated Video Encoder Host Messages
 757 // These messages are sent from GPU process to Renderer process.
 758
 759 // Notify renderer of the input/output buffer requirements of the encoder.
 760 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 761                     uint32 /* input_count */,
 762                     gfx::Size /* input_coded_size */,
 763                     uint32 /* output_buffer_size */)
 764
 765 // Notify the renderer that the encoder has finished using an input buffer.
 766 // There is no congruent entry point in the media::VideoEncodeAccelerator
 767 // interface, in VEA this same done condition is indicated by dropping the
 768 // reference to the media::VideoFrame passed to VEA::Encode().
 769 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 770                     int32 /* frame_id */)
 771
 772 // Notify the renderer that an output buffer has been filled with encoded data.
 773 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 774                     int32 /* bitstream_buffer_id */,
 775                     uint32 /* payload_size */,
 776                     bool /* key_frame */)
 777
 778 // Report error condition.
 779 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 780                     media::VideoEncodeAccelerator::Error /* error */)
 781
 782 // Send destroy request to the encoder.
 783 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)
 784
 785 //------------------------------------------------------------------------------
 786 // Accelerated JPEG Decoder Messages
 787 // These messages are sent from the Browser process to GPU process.
 788
 789 // Decode one JPEG image from shared memory |input_buffer_handle| with size
 790 // |input_buffer_size|. The input buffer is associated with |input_buffer_id|
 791 // and the size of JPEG image is |coded_size|. Decoded I420 frame data will
 792 // be put onto shared memory associated with |output_video_frame_handle|
 793 // with size limit |output_buffer_size|.
 794 IPC_MESSAGE_ROUTED1(AcceleratedJpegDecoderMsg_Decode,
 795                     AcceleratedJpegDecoderMsg_Decode_Params)
 796
 797 // Send destroy request to the decoder.
 798 IPC_MESSAGE_ROUTED0(AcceleratedJpegDecoderMsg_Destroy)
 799
 800 //------------------------------------------------------------------------------
 801 // Accelerated JPEG Decoder Host Messages
 802 // These messages are sent from the GPU process to Browser process.
 803 //
 804 // Report decode status.
 805 IPC_MESSAGE_ROUTED2(AcceleratedJpegDecoderHostMsg_DecodeAck,
 806                     int32, /* bitstream_buffer_id */
 807                     media::JpegDecodeAccelerator::Error /* error */)