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/public/common/common_param_traits.h"
  16 #include "content/public/common/gpu_memory_stats.h"
  17 #include "gpu/command_buffer/common/capabilities.h"
  18 #include "gpu/command_buffer/common/command_buffer.h"
  19 #include "gpu/command_buffer/common/constants.h"
  20 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
  21 #include "gpu/command_buffer/common/mailbox.h"
  22 #include "gpu/config/gpu_info.h"
  23 #include "gpu/ipc/gpu_command_buffer_traits.h"
  24 #include "ipc/ipc_channel_handle.h"
  25 #include "ipc/ipc_message_macros.h"
  26 #include "media/base/video_frame.h"
  27 #include "media/video/video_decode_accelerator.h"
  28 #include "media/video/video_encode_accelerator.h"
  29 #include "ui/events/latency_info.h"
  30 #include "ui/gfx/gpu_memory_buffer.h"
  31 #include "ui/gfx/native_widget_types.h"
  32 #include "ui/gfx/size.h"
  33 #include "ui/gl/gpu_preference.h"
  34
  35 #if defined(OS_ANDROID)
  36 #include "content/common/android/surface_texture_peer.h"
  37 #endif
  38
  39 #undef IPC_MESSAGE_EXPORT
  40 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  41
  42 #define IPC_MESSAGE_START GpuMsgStart
  43
  44 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch,
  45                           content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1)
  46 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference,
  47                           gfx::GpuPreferenceLast)
  48 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType,
  49                           gfx::SURFACE_TYPE_LAST)
  50 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff,
  51                           gpu::MemoryAllocation::CUTOFF_LAST)
  52 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason,
  53                           gpu::error::kContextLostReasonLast)
  54 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error,
  55                           media::VideoEncodeAccelerator::kErrorMax)
  56 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::Format,
  57                           media::VideoFrame::FORMAT_MAX)
  58 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
  59                               media::VIDEO_CODEC_PROFILE_MIN,
  60                               media::VIDEO_CODEC_PROFILE_MAX)
  61
  62 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  63   IPC_STRUCT_MEMBER(int32, share_group_id)
  64   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  65   IPC_STRUCT_MEMBER(GURL, active_url)
  66   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  67 IPC_STRUCT_END()
  68
  69 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  70   IPC_STRUCT_MEMBER(int32, surface_id)
  71   IPC_STRUCT_MEMBER(uint64, surface_handle)
  72   IPC_STRUCT_MEMBER(int32, route_id)
  73   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
  74   IPC_STRUCT_MEMBER(gfx::Size, size)
  75   IPC_STRUCT_MEMBER(float, scale_factor)
  76   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  77 IPC_STRUCT_END()
  78
  79 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
  80   IPC_STRUCT_MEMBER(int32, surface_id)
  81   IPC_STRUCT_MEMBER(uint64, surface_handle)
  82   IPC_STRUCT_MEMBER(int32, route_id)
  83   IPC_STRUCT_MEMBER(int, x)
  84   IPC_STRUCT_MEMBER(int, y)
  85   IPC_STRUCT_MEMBER(int, width)
  86   IPC_STRUCT_MEMBER(int, height)
  87   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
  88   IPC_STRUCT_MEMBER(gfx::Size, surface_size)
  89   IPC_STRUCT_MEMBER(float, surface_scale_factor)
  90   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  91 IPC_STRUCT_END()
  92
  93 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
  94   IPC_STRUCT_MEMBER(int32, surface_id)
  95 IPC_STRUCT_END()
  96
  97 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
  98   IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox)
  99   IPC_STRUCT_MEMBER(uint32, sync_point)
 100 #if defined(OS_MACOSX)
 101   IPC_STRUCT_MEMBER(int32, renderer_id)
 102 #endif
 103 #if defined(OS_WIN)
 104   IPC_STRUCT_MEMBER(base::TimeTicks, vsync_timebase)
 105   IPC_STRUCT_MEMBER(base::TimeDelta, vsync_interval)
 106 #endif
 107 IPC_STRUCT_END()
 108
 109 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
 110   IPC_STRUCT_MEMBER(int32, id)
 111   IPC_STRUCT_MEMBER(std::string, message)
 112 IPC_STRUCT_END()
 113
 114 #if defined(OS_ANDROID)
 115 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
 116   IPC_STRUCT_MEMBER(float, m00)
 117   IPC_STRUCT_MEMBER(float, m01)
 118   IPC_STRUCT_MEMBER(float, m02)
 119   IPC_STRUCT_MEMBER(float, m03)
 120   IPC_STRUCT_MEMBER(float, m10)
 121   IPC_STRUCT_MEMBER(float, m11)
 122   IPC_STRUCT_MEMBER(float, m12)
 123   IPC_STRUCT_MEMBER(float, m13)
 124   IPC_STRUCT_MEMBER(float, m20)
 125   IPC_STRUCT_MEMBER(float, m21)
 126   IPC_STRUCT_MEMBER(float, m22)
 127   IPC_STRUCT_MEMBER(float, m23)
 128   IPC_STRUCT_MEMBER(float, m30)
 129   IPC_STRUCT_MEMBER(float, m31)
 130   IPC_STRUCT_MEMBER(float, m32)
 131   IPC_STRUCT_MEMBER(float, m33)
 132 IPC_STRUCT_END()
 133 #endif
 134
 135   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 136   IPC_STRUCT_TRAITS_MEMBER(values)
 137   IPC_STRUCT_TRAITS_MEMBER(children)
 138 IPC_STRUCT_TRAITS_END()
 139
 140 IPC_STRUCT_TRAITS_BEGIN(gpu::GpuPerformanceStats)
 141   IPC_STRUCT_TRAITS_MEMBER(graphics)
 142   IPC_STRUCT_TRAITS_MEMBER(gaming)
 143   IPC_STRUCT_TRAITS_MEMBER(overall)
 144 IPC_STRUCT_TRAITS_END()
 145
 146 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 147   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 148   IPC_STRUCT_TRAITS_MEMBER(device_id)
 149   IPC_STRUCT_TRAITS_MEMBER(active)
 150   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 151   IPC_STRUCT_TRAITS_MEMBER(device_string)
 152 IPC_STRUCT_TRAITS_END()
 153
 154 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo)
 155   IPC_STRUCT_TRAITS_MEMBER(finalized)
 156   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
 157   IPC_STRUCT_TRAITS_MEMBER(optimus)
 158   IPC_STRUCT_TRAITS_MEMBER(amd_switchable)
 159   IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute)
 160   IPC_STRUCT_TRAITS_MEMBER(gpu)
 161   IPC_STRUCT_TRAITS_MEMBER(secondary_gpus)
 162   IPC_STRUCT_TRAITS_MEMBER(adapter_luid)
 163   IPC_STRUCT_TRAITS_MEMBER(driver_vendor)
 164   IPC_STRUCT_TRAITS_MEMBER(driver_version)
 165   IPC_STRUCT_TRAITS_MEMBER(driver_date)
 166   IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version)
 167   IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version)
 168   IPC_STRUCT_TRAITS_MEMBER(machine_model_name)
 169   IPC_STRUCT_TRAITS_MEMBER(machine_model_version)
 170   IPC_STRUCT_TRAITS_MEMBER(gl_version)
 171   IPC_STRUCT_TRAITS_MEMBER(gl_version_string)
 172   IPC_STRUCT_TRAITS_MEMBER(gl_vendor)
 173   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 174   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 175   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 176   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 177   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 178   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 179   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 180   IPC_STRUCT_TRAITS_MEMBER(performance_stats)
 181   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 182   IPC_STRUCT_TRAITS_MEMBER(direct_rendering)
 183   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 184 #if defined(OS_WIN)
 185   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 186 #endif
 187 IPC_STRUCT_TRAITS_END()
 188
 189 IPC_STRUCT_TRAITS_BEGIN(gpu::Capabilities)
 190   IPC_STRUCT_TRAITS_MEMBER(post_sub_buffer)
 191   IPC_STRUCT_TRAITS_MEMBER(fast_npot_mo8_textures)
 192   IPC_STRUCT_TRAITS_MEMBER(egl_image_external)
 193   IPC_STRUCT_TRAITS_MEMBER(texture_format_bgra8888)
 194   IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1)
 195   IPC_STRUCT_TRAITS_MEMBER(texture_rectangle)
 196   IPC_STRUCT_TRAITS_MEMBER(iosurface)
 197   IPC_STRUCT_TRAITS_MEMBER(texture_usage)
 198   IPC_STRUCT_TRAITS_MEMBER(texture_storage)
 199   IPC_STRUCT_TRAITS_MEMBER(discard_framebuffer)
 200   IPC_STRUCT_TRAITS_MEMBER(map_image)
 201 IPC_STRUCT_TRAITS_END()
 202
 203 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 204   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 205   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 206 IPC_STRUCT_TRAITS_END()
 207
 208 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 209   IPC_STRUCT_TRAITS_MEMBER(process_map)
 210   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 211   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 212 IPC_STRUCT_TRAITS_END()
 213
 214 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 215   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 216   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 217   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 218 IPC_STRUCT_TRAITS_END()
 219
 220 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 221   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 222   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 223 IPC_STRUCT_TRAITS_END()
 224
 225 IPC_STRUCT_TRAITS_BEGIN(gpu::ManagedMemoryStats)
 226   IPC_STRUCT_TRAITS_MEMBER(bytes_required)
 227   IPC_STRUCT_TRAITS_MEMBER(bytes_nice_to_have)
 228   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 229   IPC_STRUCT_TRAITS_MEMBER(backbuffer_requested)
 230 IPC_STRUCT_TRAITS_END()
 231
 232 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 233   IPC_STRUCT_TRAITS_MEMBER(handle)
 234   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 235   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 236 IPC_STRUCT_TRAITS_END()
 237
 238 //------------------------------------------------------------------------------
 239 // GPU Messages
 240 // These are messages from the browser to the GPU process.
 241
 242 // Tells the GPU process to initialize itself. The browser explicitly
 243 // requests this be done so that we are guaranteed that the channel is set
 244 // up between the browser and GPU process before doing any work that might
 245 // potentially crash the GPU process. Detection of the child process
 246 // exiting abruptly is predicated on having the IPC channel set up.
 247 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 248
 249 // Tells the GPU process to create a new channel for communication with a
 250 // given client.  The channel name is returned in a
 251 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 252 // the GPU process reuses an existing channel to that process if it exists.
 253 // This ID is a unique opaque identifier generated by the browser process.
 254 IPC_MESSAGE_CONTROL2(GpuMsg_EstablishChannel,
 255                      int /* client_id */,
 256                      bool /* share_context */)
 257
 258 // Tells the GPU process to close the channel identified by IPC channel
 259 // handle.  If no channel can be identified, do nothing.
 260 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 261                      IPC::ChannelHandle /* channel_handle */)
 262
 263 // Tells the GPU process to create a new command buffer that renders directly
 264 // to a native view. A corresponding GpuCommandBufferStub is created.
 265 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 266                      gfx::GLSurfaceHandle, /* compositing_surface */
 267                      int32, /* surface_id */
 268                      int32, /* client_id */
 269                      GPUCreateCommandBufferConfig, /* init_params */
 270                      int32 /* route_id */)
 271
 272 // Tells the GPU process to create a new image from a window. Images
 273 // can be bound to textures using CHROMIUM_texture_from_image.
 274 IPC_MESSAGE_CONTROL3(GpuMsg_CreateImage,
 275                      gfx::PluginWindowHandle, /* window */
 276                      int32, /* client_id */
 277                      int32 /* image_id */)
 278
 279 // Tells the GPU process to delete image.
 280 IPC_MESSAGE_CONTROL3(GpuMsg_DeleteImage,
 281                      int32, /* client_id */
 282                      int32, /* image_id */
 283                      int32 /* sync_point */)
 284
 285 // Tells the GPU process to create a context for collecting graphics card
 286 // information.
 287 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 288
 289 // Tells the GPU process to report video_memory information for the task manager
 290 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 291
 292 // Tells the GPU process that the browser process has finished resizing the
 293 // view.
 294 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_ResizeViewACK)
 295
 296 // Tells the GPU process that the browser process has handled the swap
 297 // buffers or post sub-buffer request. A non-zero sync point means
 298 // that we should wait for the sync point. The surface_handle identifies
 299 // that buffer that has finished presented, i.e. the buffer being returned.
 300 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 301                     AcceleratedSurfaceMsg_BufferPresented_Params)
 302
 303 // Tells the GPU process to wake up the GPU because we're about to draw.
 304 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 305
 306 // Tells the GPU process to remove all contexts.
 307 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 308
 309 // Tells the GPU process to crash.
 310 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 311
 312 // Tells the GPU process to hang.
 313 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 314
 315 // Tells the GPU process to disable the watchdog thread.
 316 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 317
 318 //------------------------------------------------------------------------------
 319 // GPU Host Messages
 320 // These are messages to the browser.
 321
 322 // A renderer sends this when it wants to create a connection to the GPU
 323 // process. The browser will create the GPU process if necessary, and will
 324 // return a handle to the channel via a GpuChannelEstablished message.
 325 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 326                             content::CauseForGpuLaunch,
 327                             int /* client id */,
 328                             IPC::ChannelHandle /* handle to channel */,
 329                             gpu::GPUInfo /* stats about GPU process*/)
 330
 331 // A renderer sends this to the browser process when it wants to
 332 // create a GL context associated with the given view_id.
 333 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 334                             int32, /* surface_id */
 335                             GPUCreateCommandBufferConfig, /* init_params */
 336                             int32, /* route_id */
 337                             bool /* succeeded */)
 338
 339 // Response from GPU to a GputMsg_Initialize message.
 340 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 341                      bool /* result */,
 342                      ::gpu::GPUInfo /* gpu_info */)
 343
 344 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 345 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 346                      IPC::ChannelHandle /* channel_handle */)
 347
 348 // Message from GPU to notify to destroy the channel.
 349 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 350                      int32 /* client_id */)
 351
 352 // Message to cache the given shader information.
 353 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 354                      int32 /* client_id */,
 355                      std::string /* key */,
 356                      std::string /* shader */)
 357
 358 // Message to the GPU that a shader was loaded from disk.
 359 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 360                      std::string /* encoded shader */)
 361
 362 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 363 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 364                      bool /* succeeded */)
 365
 366 // Request from GPU to free the browser resources associated with the
 367 // command buffer.
 368 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 369                      int32 /* surface_id */)
 370
 371 // Response from GPU to a GpuMsg_CreateImage message.
 372 IPC_MESSAGE_CONTROL1(GpuHostMsg_ImageCreated,
 373                      gfx::Size /* size */)
 374
 375 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 376 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 377                      gpu::GPUInfo /* GPU logging stats */)
 378
 379 // Response from GPU to a GpuMsg_GetVideoMemory.
 380 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 381                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 382
 383 // Message from GPU to add a GPU log message to the about:gpu page.
 384 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 385                      int /*severity*/,
 386                      std::string /* header */,
 387                      std::string /* message */)
 388
 389 // Resize the window that is being drawn into. It's important that this
 390 // resize be synchronized with the swapping of the front and back buffers.
 391 IPC_MESSAGE_CONTROL3(GpuHostMsg_ResizeView,
 392                      int32 /* surface_id */,
 393                      int32 /* route_id */,
 394                      gfx::Size /* size */)
 395
 396 // Tells the browser that a new accelerated surface was initialized.
 397 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 398                      int32 /* surface_id */,
 399                      int32 /* route_id */)
 400
 401 // Tells the browser that a frame with the specific latency info was drawn to
 402 // the screen
 403 IPC_MESSAGE_CONTROL1(GpuHostMsg_FrameDrawn,
 404                      std::vector<ui::LatencyInfo> /* latency_info */)
 405
 406 // Same as above with a rect of the part of the surface that changed.
 407 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 408                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 409
 410 // This message notifies the browser process that the renderer
 411 // swapped a portion of the buffers associated with the given "window", which
 412 // should cause the browser to redraw the compositor's contents.
 413 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfacePostSubBuffer,
 414                      GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
 415
 416 // Tells the browser to release whatever resources are associated with
 417 // the given surface. The browser must send an ACK once this operation
 418 // is complete.
 419 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceRelease,
 420                      GpuHostMsg_AcceleratedSurfaceRelease_Params)
 421
 422 // Tells the browser to release resources for the given surface until the next
 423 // time swap buffers or post sub buffer is sent.
 424 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceSuspend,
 425                      int32 /* surface_id */)
 426
 427 // Tells the browser about updated parameters for vsync alignment.
 428 IPC_MESSAGE_CONTROL3(GpuHostMsg_UpdateVSyncParameters,
 429                      int32 /* surface_id */,
 430                      base::TimeTicks /* timebase */,
 431                      base::TimeDelta /* interval */)
 432
 433 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext,
 434                      GURL /* url */)
 435
 436 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext,
 437                      bool /* offscreen */,
 438                      gpu::error::ContextLostReason /* reason */,
 439                      GURL /* url */)
 440
 441 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext,
 442                      GURL /* url */)
 443
 444 // Tells the browser about GPU memory usage statistics for UMA logging.
 445 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats,
 446                      content::GPUMemoryUmaStats /* GPU memory UMA stats */)
 447
 448 //------------------------------------------------------------------------------
 449 // GPU Channel Messages
 450 // These are messages from a renderer process to the GPU process.
 451
 452 // Tells the GPU process to create a new command buffer that renders to an
 453 // offscreen frame buffer.
 454 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 455                             gfx::Size, /* size */
 456                             GPUCreateCommandBufferConfig, /* init_params */
 457                             int32, /* route_id */
 458                             bool /* succeeded */)
 459
 460 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 461 // destructor, so that the stub deletes the actual CommandBufferService
 462 // object that it's hosting.
 463 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 464                             int32 /* instance_id */)
 465
 466 // Sent by DevTools agent in the inspected renderer process to initiate GPU
 467 // instrumentation events recording.
 468 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_DevToolsStartEventsRecording,
 469                             int32, /* route_id */
 470                             bool /* succeeded */)
 471
 472 // The message is sent when DevTools want to stop events recording.
 473 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording)
 474
 475 #if defined(OS_ANDROID)
 476 //------------------------------------------------------------------------------
 477 // Stream Texture Messages
 478 // Tells the GPU process create and send the java surface texture object to
 479 // the renderer process through the binder thread.
 480 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 481                     int32, /* primary_id */
 482                     int32  /* secondary_id */)
 483
 484 // Tells the GPU process to set the size of StreamTexture from the given
 485 // stream Id.
 486 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 487                     gfx::Size /* size */)
 488
 489 // Tells the service-side instance to start sending frame available
 490 // notifications.
 491 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 492
 493 // Inform the renderer that a new frame is available.
 494 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 495
 496 // Inform the renderer process that the transform matrix has changed.
 497 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 498                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 499 #endif
 500
 501 //------------------------------------------------------------------------------
 502 // GPU Command Buffer Messages
 503 // These are messages between a renderer process to the GPU process relating to
 504 // a single OpenGL context.
 505 // Initialize a command buffer with the given number of command entries.
 506 // Returns the shared memory handle for the command buffer mapped to the
 507 // calling process.
 508 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 509                            base::SharedMemoryHandle /* shared_state */,
 510                            bool /* result */,
 511                            gpu::Capabilities /* capabilities */)
 512
 513 // Sets the shared memory buffer used for commands.
 514 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 515                            int32 /* shm_id */)
 516
 517 // Produces the front buffer into a mailbox. This allows another context to draw
 518 // the output of this context.
 519 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 520                     gpu::Mailbox /* mailbox */)
 521
 522 // Get the current state of the command buffer.
 523 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_GetState,
 524                            gpu::CommandBuffer::State /* state */)
 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.
 541 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_AsyncFlush,
 542                     int32 /* put_offset */,
 543                     uint32 /* flush_count */)
 544
 545 // Sends information about the latency of the current frame to the GPU
 546 // process.
 547 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetLatencyInfo,
 548                     std::vector<ui::LatencyInfo> /* latency_info */)
 549
 550 // Asynchronously process any commands known to the GPU process. This is only
 551 // used in the event that a channel is unscheduled and needs to be flushed
 552 // again to process any commands issued subsequent to unscheduling. The GPU
 553 // process actually sends it (deferred) to itself.
 554 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 555
 556 // Sent by the GPU process to display messages in the console.
 557 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 558                     GPUCommandBufferConsoleMessage /* msg */)
 559
 560 // Register an existing shared memory transfer buffer. The id that can be
 561 // used to identify the transfer buffer from a command buffer.
 562 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 563                     int32 /* id */,
 564                     base::SharedMemoryHandle /* transfer_buffer */,
 565                     uint32 /* size */)
 566
 567 // Destroy a previously created transfer buffer.
 568 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 569                     int32 /* id */)
 570
 571 // Create and initialize a hardware video decoder using the specified route_id.
 572 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 573 // no longer needed.
 574 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
 575                            media::VideoCodecProfile /* profile */,
 576                            int32, /* route_id */
 577                            bool /* succeeded */)
 578
 579 // Create and initialize a hardware video encoder using the specified route_id.
 580 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
 581 // no longer needed.
 582 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
 583                            media::VideoFrame::Format /* input_format */,
 584                            gfx::Size /* input_visible_size */,
 585                            media::VideoCodecProfile /* output_profile */,
 586                            uint32 /* initial_bitrate */,
 587                            int32, /* route_id */
 588                            bool /* succeeded */)
 589
 590 // Tells the proxy that there was an error and the command buffer had to be
 591 // destroyed for some reason.
 592 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
 593                     gpu::error::ContextLostReason /* reason */)
 594
 595 // Request that the GPU process reply with the given message. Reply may be
 596 // delayed.
 597 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Echo,
 598                     IPC::Message /* reply */)
 599
 600 // Response to a GpuChannelMsg_Echo message.
 601 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EchoAck)
 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 from the proxy with statistics on managed memory usage and
 611 // requirements.
 612 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SendClientManagedMemoryStats,
 613                     gpu::ManagedMemoryStats /* stats */)
 614
 615 // Sent to stub when proxy is assigned a memory allocation changed callback.
 616 IPC_MESSAGE_ROUTED1(
 617     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 618     bool /* has_callback */)
 619
 620 // Inserts a sync point into the channel. This is handled on the IO thread, so
 621 // can be expected to be reasonably fast, but the sync point is actually
 622 // retired in order with respect to the other calls. The sync point is shared
 623 // across channels.
 624 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_InsertSyncPoint,
 625                            uint32 /* sync_point */)
 626
 627 // Retires the sync point. Note: this message is not sent explicitly by the
 628 // renderer, but is synthesized by the GPU process.
 629 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 630                     uint32 /* sync_point */)
 631
 632 // Makes this command buffer signal when a sync point is reached, by sending
 633 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 634 // signal_id.
 635 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 636                     uint32 /* sync_point */,
 637                     uint32 /* signal_id */)
 638
 639 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 640 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 641                     uint32 /* signal_id */)
 642
 643 // Makes this command buffer signal when a query is reached, by sending
 644 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 645 // signal_id.
 646 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 647                     uint32 /* query */,
 648                     uint32 /* signal_id */)
 649
 650 // Register an existing gpu memory buffer. The id that can be
 651 // used to identify the gpu memory buffer from a command buffer.
 652 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer,
 653                     int32 /* id */,
 654                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 655                     uint32 /* width */,
 656                     uint32 /* height */,
 657                     uint32 /* internalformat */)
 658
 659 // Destroy a previously created gpu memory buffer.
 660 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyGpuMemoryBuffer,
 661                     int32 /* id */)
 662
 663 // Attaches an external image stream to the client texture.
 664 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 665                            uint32, /* client_texture_id */
 666                            int32, /* stream_id */
 667                            bool /* succeeded */)
 668
 669 //------------------------------------------------------------------------------
 670 // Accelerated Video Decoder Messages
 671 // These messages are sent from Renderer process to GPU process.
 672
 673 // Send input buffer for decoding.
 674 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 675                     base::SharedMemoryHandle, /* input_buffer_handle */
 676                     int32, /* bitstream_buffer_id */
 677                     uint32) /* size */
 678
 679 // Sent from Renderer process to the GPU process to give the texture IDs for
 680 // the textures the decoder will use for output.
 681 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 682                     std::vector<int32>,  /* Picture buffer ID */
 683                     std::vector<uint32>) /* Texture ID */
 684
 685 // Send from Renderer process to the GPU process to recycle the given picture
 686 // buffer for further decoding.
 687 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 688                     int32) /* Picture buffer ID */
 689
 690 // Send flush request to the decoder.
 691 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 692
 693 // Send reset request to the decoder.
 694 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 695
 696 // Send destroy request to the decoder.
 697 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 698
 699 //------------------------------------------------------------------------------
 700 // Accelerated Video Decoder Host Messages
 701 // These messages are sent from GPU process to Renderer process.
 702 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 703 // created.
 704
 705 // Accelerated video decoder has consumed input buffer from transfer buffer.
 706 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 707                     int32) /* Processed buffer ID */
 708
 709 // Allocate video frames for output of the hardware video decoder.
 710 IPC_MESSAGE_ROUTED3(
 711     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 712     int32, /* Number of video frames to generate */
 713     gfx::Size, /* Requested size of buffer */
 714     uint32 ) /* Texture target */
 715
 716 // Decoder reports that a picture is ready and buffer does not need to be passed
 717 // back to the decoder.
 718 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 719                     int32) /* Picture buffer ID */
 720
 721 // Decoder reports that a picture is ready.
 722 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderHostMsg_PictureReady,
 723                     int32,  /* Picture buffer ID */
 724                     int32)  /* Bitstream buffer ID */
 725
 726 // Confirm decoder has been flushed.
 727 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 728
 729 // Confirm decoder has been reset.
 730 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 731
 732 // Video decoder has encountered an error.
 733 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 734                     uint32) /* Error ID */
 735
 736 //------------------------------------------------------------------------------
 737 // Accelerated Video Encoder Messages
 738 // These messages are sent from the Renderer process to GPU process.
 739
 740 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by
 741 // AcceleratedVideoEncoderHostMsg_NotifyEncodeDone.
 742 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Encode,
 743                     int32 /* frame_id */,
 744                     base::SharedMemoryHandle /* buffer_handle */,
 745                     uint32 /* buffer_size */,
 746                     bool /* force_keyframe */)
 747
 748 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 749 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 750 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 751                     int32 /* buffer_id */,
 752                     base::SharedMemoryHandle /* buffer_handle */,
 753                     uint32 /* buffer_size */)
 754
 755 // Request a runtime encoding parameter change.
 756 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 757                     uint32 /* bitrate */,
 758                     uint32 /* framerate */)
 759
 760 //------------------------------------------------------------------------------
 761 // Accelerated Video Encoder Host Messages
 762 // These messages are sent from GPU process to Renderer process.
 763
 764 // Notify renderer of the input/output buffer requirements of the encoder.
 765 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 766                     uint32 /* input_count */,
 767                     gfx::Size /* input_coded_size */,
 768                     uint32 /* output_buffer_size */)
 769
 770 // Notify the renderer that the encoder has finished using an input buffer.
 771 // There is no congruent entry point in the media::VideoEncodeAccelerator
 772 // interface, in VEA this same done condition is indicated by dropping the
 773 // reference to the media::VideoFrame passed to VEA::Encode().
 774 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 775                     int32 /* frame_id */)
 776
 777 // Notify the renderer that an output buffer has been filled with encoded data.
 778 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 779                     int32 /* bitstream_buffer_id */,
 780                     uint32 /* payload_size */,
 781                     bool /* key_frame */)
 782
 783 // Report error condition.
 784 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 785                     media::VideoEncodeAccelerator::Error /* error */)
 786
 787 // Send destroy request to the encoder.
 788 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy)