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/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_vendor)
 172   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 173   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 174   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 175   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 176   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 177   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 178   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 179   IPC_STRUCT_TRAITS_MEMBER(performance_stats)
 180   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 181   IPC_STRUCT_TRAITS_MEMBER(direct_rendering)
 182   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 183 #if defined(OS_WIN)
 184   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 185 #endif
 186 IPC_STRUCT_TRAITS_END()
 187
 188 IPC_STRUCT_TRAITS_BEGIN(gpu::Capabilities)
 189   IPC_STRUCT_TRAITS_MEMBER(post_sub_buffer)
 190   IPC_STRUCT_TRAITS_MEMBER(fast_npot_mo8_textures)
 191   IPC_STRUCT_TRAITS_MEMBER(egl_image_external)
 192   IPC_STRUCT_TRAITS_MEMBER(texture_format_bgra8888)
 193   IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1)
 194   IPC_STRUCT_TRAITS_MEMBER(texture_rectangle)
 195   IPC_STRUCT_TRAITS_MEMBER(iosurface)
 196   IPC_STRUCT_TRAITS_MEMBER(texture_usage)
 197   IPC_STRUCT_TRAITS_MEMBER(texture_storage)
 198   IPC_STRUCT_TRAITS_MEMBER(discard_framebuffer)
 199   IPC_STRUCT_TRAITS_MEMBER(sync_query)
 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(gfx::GLSurfaceHandle)
 226   IPC_STRUCT_TRAITS_MEMBER(handle)
 227   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 228   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 229 IPC_STRUCT_TRAITS_END()
 230
 231 //------------------------------------------------------------------------------
 232 // GPU Messages
 233 // These are messages from the browser to the GPU process.
 234
 235 // Tells the GPU process to initialize itself. The browser explicitly
 236 // requests this be done so that we are guaranteed that the channel is set
 237 // up between the browser and GPU process before doing any work that might
 238 // potentially crash the GPU process. Detection of the child process
 239 // exiting abruptly is predicated on having the IPC channel set up.
 240 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 241
 242 // Tells the GPU process to create a new channel for communication with a
 243 // given client.  The channel name is returned in a
 244 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 245 // the GPU process reuses an existing channel to that process if it exists.
 246 // This ID is a unique opaque identifier generated by the browser process.
 247 IPC_MESSAGE_CONTROL2(GpuMsg_EstablishChannel,
 248                      int /* client_id */,
 249                      bool /* share_context */)
 250
 251 // Tells the GPU process to close the channel identified by IPC channel
 252 // handle.  If no channel can be identified, do nothing.
 253 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 254                      IPC::ChannelHandle /* channel_handle */)
 255
 256 // Tells the GPU process to create a new command buffer that renders directly
 257 // to a native view. A corresponding GpuCommandBufferStub is created.
 258 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer,
 259                      gfx::GLSurfaceHandle, /* compositing_surface */
 260                      int32, /* surface_id */
 261                      int32, /* client_id */
 262                      GPUCreateCommandBufferConfig, /* init_params */
 263                      int32 /* route_id */)
 264
 265 // Tells the GPU process to create a new image from a window. Images
 266 // can be bound to textures using CHROMIUM_texture_from_image.
 267 IPC_MESSAGE_CONTROL3(GpuMsg_CreateImage,
 268                      gfx::PluginWindowHandle, /* window */
 269                      int32, /* client_id */
 270                      int32 /* image_id */)
 271
 272 // Tells the GPU process to delete image.
 273 IPC_MESSAGE_CONTROL3(GpuMsg_DeleteImage,
 274                      int32, /* client_id */
 275                      int32, /* image_id */
 276                      int32 /* sync_point */)
 277
 278 // Tells the GPU process to create a new gpu memory buffer for |handle|.
 279 IPC_MESSAGE_CONTROL4(GpuMsg_CreateGpuMemoryBuffer,
 280                      gfx::GpuMemoryBufferHandle, /* handle */
 281                      gfx::Size, /* size */
 282                      unsigned, /* internalformat */
 283                      unsigned /* usage */)
 284
 285 // Tells the GPU process to destroy buffer.
 286 IPC_MESSAGE_CONTROL2(GpuMsg_DestroyGpuMemoryBuffer,
 287                      gfx::GpuMemoryBufferHandle, /* handle */
 288                      int32 /* sync_point */)
 289
 290 // Tells the GPU process to create a context for collecting graphics card
 291 // information.
 292 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 293
 294 // Tells the GPU process to report video_memory information for the task manager
 295 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 296
 297 // Tells the GPU process that the browser process has handled the swap
 298 // buffers or post sub-buffer request. A non-zero sync point means
 299 // that we should wait for the sync point. The surface_handle identifies
 300 // that buffer that has finished presented, i.e. the buffer being returned.
 301 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented,
 302                     AcceleratedSurfaceMsg_BufferPresented_Params)
 303
 304 // Tells the GPU process to wake up the GPU because we're about to draw.
 305 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu)
 306
 307 // Tells the GPU process to remove all contexts.
 308 IPC_MESSAGE_CONTROL0(GpuMsg_Clean)
 309
 310 // Tells the GPU process to crash.
 311 IPC_MESSAGE_CONTROL0(GpuMsg_Crash)
 312
 313 // Tells the GPU process to hang.
 314 IPC_MESSAGE_CONTROL0(GpuMsg_Hang)
 315
 316 // Tells the GPU process to disable the watchdog thread.
 317 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog)
 318
 319 //------------------------------------------------------------------------------
 320 // GPU Host Messages
 321 // These are messages to the browser.
 322
 323 // A renderer sends this when it wants to create a connection to the GPU
 324 // process. The browser will create the GPU process if necessary, and will
 325 // return a handle to the channel via a GpuChannelEstablished message.
 326 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel,
 327                             content::CauseForGpuLaunch,
 328                             int /* client id */,
 329                             IPC::ChannelHandle /* handle to channel */,
 330                             gpu::GPUInfo /* stats about GPU process*/)
 331
 332 // A renderer sends this to the browser process when it wants to
 333 // create a GL context associated with the given view_id.
 334 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer,
 335                             int32, /* surface_id */
 336                             GPUCreateCommandBufferConfig, /* init_params */
 337                             int32, /* route_id */
 338                             bool /* succeeded */)
 339
 340 // Response from GPU to a GputMsg_Initialize message.
 341 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized,
 342                      bool /* result */,
 343                      ::gpu::GPUInfo /* gpu_info */)
 344
 345 // Response from GPU to a GpuHostMsg_EstablishChannel message.
 346 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished,
 347                      IPC::ChannelHandle /* channel_handle */)
 348
 349 // Message from GPU to notify to destroy the channel.
 350 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel,
 351                      int32 /* client_id */)
 352
 353 // Message to cache the given shader information.
 354 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader,
 355                      int32 /* client_id */,
 356                      std::string /* key */,
 357                      std::string /* shader */)
 358
 359 // Message to the GPU that a shader was loaded from disk.
 360 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader,
 361                      std::string /* encoded shader */)
 362
 363 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message.
 364 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated,
 365                      bool /* succeeded */)
 366
 367 // Request from GPU to free the browser resources associated with the
 368 // command buffer.
 369 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer,
 370                      int32 /* surface_id */)
 371
 372 // Response from GPU to a GpuMsg_CreateImage message.
 373 IPC_MESSAGE_CONTROL1(GpuHostMsg_ImageCreated,
 374                      gfx::Size /* size */)
 375
 376 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message.
 377 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated,
 378                      gfx::GpuMemoryBufferHandle /* handle */)
 379
 380 // Response from GPU to a GpuMsg_CollectGraphicsInfo.
 381 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected,
 382                      gpu::GPUInfo /* GPU logging stats */)
 383
 384 // Response from GPU to a GpuMsg_GetVideoMemory.
 385 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats,
 386                      content::GPUVideoMemoryUsageStats /* GPU memory stats */)
 387
 388 // Message from GPU to add a GPU log message to the about:gpu page.
 389 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage,
 390                      int /*severity*/,
 391                      std::string /* header */,
 392                      std::string /* message */)
 393
 394 // Tells the browser that a new accelerated surface was initialized.
 395 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized,
 396                      int32 /* surface_id */,
 397                      int32 /* route_id */)
 398
 399 // Tells the browser that a frame with the specific latency info was drawn to
 400 // the screen
 401 IPC_MESSAGE_CONTROL1(GpuHostMsg_FrameDrawn,
 402                      std::vector<ui::LatencyInfo> /* latency_info */)
 403
 404 // Same as above with a rect of the part of the surface that changed.
 405 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
 406                      GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
 407
 408 // This message notifies the browser process that the renderer
 409 // swapped a portion of the buffers associated with the given "window", which
 410 // should cause the browser to redraw the compositor's contents.
 411 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfacePostSubBuffer,
 412                      GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
 413
 414 // Tells the browser to release whatever resources are associated with
 415 // the given surface. The browser must send an ACK once this operation
 416 // is complete.
 417 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceRelease,
 418                      GpuHostMsg_AcceleratedSurfaceRelease_Params)
 419
 420 // Tells the browser to release resources for the given surface until the next
 421 // time swap buffers or post sub buffer is sent.
 422 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceSuspend,
 423                      int32 /* surface_id */)
 424
 425 // Tells the browser about updated parameters for vsync alignment.
 426 IPC_MESSAGE_CONTROL3(GpuHostMsg_UpdateVSyncParameters,
 427                      int32 /* surface_id */,
 428                      base::TimeTicks /* timebase */,
 429                      base::TimeDelta /* interval */)
 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 //------------------------------------------------------------------------------
 447 // GPU Channel Messages
 448 // These are messages from a renderer process to the GPU process.
 449
 450 // Tells the GPU process to create a new command buffer that renders to an
 451 // offscreen frame buffer.
 452 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 453                             gfx::Size, /* size */
 454                             GPUCreateCommandBufferConfig, /* init_params */
 455                             int32, /* route_id */
 456                             bool /* succeeded */)
 457
 458 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 459 // destructor, so that the stub deletes the actual CommandBufferService
 460 // object that it's hosting.
 461 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 462                             int32 /* instance_id */)
 463
 464 // Sent by DevTools agent in the inspected renderer process to initiate GPU
 465 // instrumentation events recording.
 466 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_DevToolsStartEventsRecording,
 467                             int32, /* route_id */
 468                             bool /* succeeded */)
 469
 470 // The message is sent when DevTools want to stop events recording.
 471 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording)
 472
 473 #if defined(OS_ANDROID)
 474 //------------------------------------------------------------------------------
 475 // Stream Texture Messages
 476 // Tells the GPU process create and send the java surface texture object to
 477 // the renderer process through the binder thread.
 478 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 479                     int32, /* primary_id */
 480                     int32  /* secondary_id */)
 481
 482 // Tells the GPU process to set the size of StreamTexture from the given
 483 // stream Id.
 484 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 485                     gfx::Size /* size */)
 486
 487 // Tells the service-side instance to start sending frame available
 488 // notifications.
 489 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 490
 491 // Inform the renderer that a new frame is available.
 492 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 493
 494 // Inform the renderer process that the transform matrix has changed.
 495 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 496                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 497 #endif
 498
 499 //------------------------------------------------------------------------------
 500 // GPU Command Buffer Messages
 501 // These are messages between a renderer process to the GPU process relating to
 502 // a single OpenGL context.
 503 // Initialize a command buffer with the given number of command entries.
 504 // Returns the shared memory handle for the command buffer mapped to the
 505 // calling process.
 506 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 507                            base::SharedMemoryHandle /* shared_state */,
 508                            bool /* result */,
 509                            gpu::Capabilities /* capabilities */)
 510
 511 // Sets the shared memory buffer used for commands.
 512 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 513                            int32 /* shm_id */)
 514
 515 // Produces the front buffer into a mailbox. This allows another context to draw
 516 // the output of this context.
 517 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 518                     gpu::Mailbox /* mailbox */)
 519
 520 // Wait until the token is in a specific range, inclusive.
 521 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange,
 522                            int32 /* start */,
 523                            int32 /* end */,
 524                            gpu::CommandBuffer::State /* state */)
 525
 526 // Wait until the get offset is in a specific range, inclusive.
 527 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange,
 528                            int32 /* start */,
 529                            int32 /* end */,
 530                            gpu::CommandBuffer::State /* state */)
 531
 532 // Asynchronously synchronize the put and get offsets of both processes.
 533 // Caller passes its current put offset. Current state (including get offset)
 534 // is returned in shared memory.
 535 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_AsyncFlush,
 536                     int32 /* put_offset */,
 537                     uint32 /* flush_count */)
 538
 539 // Sends information about the latency of the current frame to the GPU
 540 // process.
 541 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetLatencyInfo,
 542                     std::vector<ui::LatencyInfo> /* latency_info */)
 543
 544 // Asynchronously process any commands known to the GPU process. This is only
 545 // used in the event that a channel is unscheduled and needs to be flushed
 546 // again to process any commands issued subsequent to unscheduling. The GPU
 547 // process actually sends it (deferred) to itself.
 548 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 549
 550 // Sent by the GPU process to display messages in the console.
 551 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 552                     GPUCommandBufferConsoleMessage /* msg */)
 553
 554 // Register an existing shared memory transfer buffer. The id that can be
 555 // used to identify the transfer buffer from a command buffer.
 556 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 557                     int32 /* id */,
 558                     base::SharedMemoryHandle /* transfer_buffer */,
 559                     uint32 /* size */)
 560
 561 // Destroy a previously created transfer buffer.
 562 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 563                     int32 /* id */)
 564
 565 // Create and initialize a hardware video decoder using the specified route_id.
 566 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 567 // no longer needed.
 568 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder,
 569                            media::VideoCodecProfile /* profile */,
 570                            int32, /* route_id */
 571                            bool /* succeeded */)
 572
 573 // Create and initialize a hardware video encoder using the specified route_id.
 574 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when
 575 // no longer needed.
 576 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder,
 577                            media::VideoFrame::Format /* input_format */,
 578                            gfx::Size /* input_visible_size */,
 579                            media::VideoCodecProfile /* output_profile */,
 580                            uint32 /* initial_bitrate */,
 581                            int32, /* route_id */
 582                            bool /* succeeded */)
 583
 584 // Tells the proxy that there was an error and the command buffer had to be
 585 // destroyed for some reason.
 586 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
 587                     gpu::error::ContextLostReason /* reason */)
 588
 589 // Request that the GPU process reply with the given message. Reply may be
 590 // delayed.
 591 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Echo,
 592                     IPC::Message /* reply */)
 593
 594 // Response to a GpuChannelMsg_Echo message.
 595 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EchoAck)
 596
 597 // Send to stub on surface visibility change.
 598 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 599
 600 // Sent to proxy when the gpu memory manager changes its memory allocation.
 601 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 602                     gpu::MemoryAllocation /* allocation */)
 603
 604 // Sent to stub when proxy is assigned a memory allocation changed callback.
 605 IPC_MESSAGE_ROUTED1(
 606     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 607     bool /* has_callback */)
 608
 609 // Inserts a sync point into the channel. This is handled on the IO thread, so
 610 // can be expected to be reasonably fast, but the sync point is actually
 611 // retired in order with respect to the other calls. The sync point is shared
 612 // across channels.
 613 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_InsertSyncPoint,
 614                            uint32 /* sync_point */)
 615
 616 // Retires the sync point. Note: this message is not sent explicitly by the
 617 // renderer, but is synthesized by the GPU process.
 618 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 619                     uint32 /* sync_point */)
 620
 621 // Makes this command buffer signal when a sync point is reached, by sending
 622 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 623 // signal_id.
 624 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 625                     uint32 /* sync_point */,
 626                     uint32 /* signal_id */)
 627
 628 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 629 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 630                     uint32 /* signal_id */)
 631
 632 // Makes this command buffer signal when a query is reached, by sending
 633 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 634 // signal_id.
 635 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 636                     uint32 /* query */,
 637                     uint32 /* signal_id */)
 638
 639 // Register an existing gpu memory buffer. The id that can be
 640 // used to identify the gpu memory buffer from a command buffer.
 641 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer,
 642                     int32 /* id */,
 643                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 644                     uint32 /* width */,
 645                     uint32 /* height */,
 646                     uint32 /* internalformat */)
 647
 648 // Destroy a previously created gpu memory buffer.
 649 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyGpuMemoryBuffer,
 650                     int32 /* id */)
 651
 652 // Attaches an external image stream to the client texture.
 653 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture,
 654                            uint32, /* client_texture_id */
 655                            int32, /* stream_id */
 656                            bool /* succeeded */)
 657
 658 //------------------------------------------------------------------------------
 659 // Accelerated Video Decoder Messages
 660 // These messages are sent from Renderer process to GPU process.
 661
 662 // Send input buffer for decoding.
 663 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 664                     base::SharedMemoryHandle, /* input_buffer_handle */
 665                     int32, /* bitstream_buffer_id */
 666                     uint32) /* size */
 667
 668 // Sent from Renderer process to the GPU process to give the texture IDs for
 669 // the textures the decoder will use for output.
 670 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 671                     std::vector<int32>,  /* Picture buffer ID */
 672                     std::vector<uint32>) /* Texture ID */
 673
 674 // Send from Renderer process to the GPU process to recycle the given picture
 675 // buffer for further decoding.
 676 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 677                     int32) /* Picture buffer ID */
 678
 679 // Send flush request to the decoder.
 680 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 681
 682 // Send reset request to the decoder.
 683 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 684
 685 // Send destroy request to the decoder.
 686 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 687
 688 //------------------------------------------------------------------------------
 689 // Accelerated Video Decoder Host Messages
 690 // These messages are sent from GPU process to Renderer process.
 691 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 692 // created.
 693
 694 // Accelerated video decoder has consumed input buffer from transfer buffer.
 695 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 696                     int32) /* Processed buffer ID */
 697
 698 // Allocate video frames for output of the hardware video decoder.
 699 IPC_MESSAGE_ROUTED3(
 700     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 701     int32, /* Number of video frames to generate */
 702     gfx::Size, /* Requested size of buffer */
 703     uint32 ) /* Texture target */
 704
 705 // Decoder reports that a picture is ready and buffer does not need to be passed
 706 // back to the decoder.
 707 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 708                     int32) /* Picture buffer ID */
 709
 710 // Decoder reports that a picture is ready.
 711 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderHostMsg_PictureReady,
 712                     int32,  /* Picture buffer ID */
 713                     int32)  /* Bitstream buffer ID */
 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)