src/content/common/gpu/gpu_messages.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Multiply-included message file, hence no include guard here, but see below
   6 // for a much smaller-than-usual include guard section.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/shared_memory.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/gpu/gpu_memory_uma_stats.h"
  14 #include "content/common/gpu/gpu_process_launch_causes.h"
  15 #include "content/common/gpu/gpu_rendering_stats.h"
  16 #include "content/public/common/common_param_traits.h"
  17 #include "content/public/common/gpu_memory_stats.h"
  18 #include "gpu/command_buffer/common/capabilities.h"
  19 #include "gpu/command_buffer/common/command_buffer.h"
  20 #include "gpu/command_buffer/common/constants.h"
  21 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
  22 #include "gpu/command_buffer/common/mailbox.h"
  23 #include "gpu/config/gpu_info.h"
  24 #include "gpu/ipc/gpu_command_buffer_traits.h"
  25 #include "ipc/ipc_channel_handle.h"
  26 #include "ipc/ipc_message_macros.h"
  27 #include "media/base/video_frame.h"
  28 #include "media/video/video_decode_accelerator.h"
  29 #include "media/video/video_encode_accelerator.h"
  30 #include "ui/events/latency_info.h"
  31 #include "ui/gfx/gpu_memory_buffer.h"
  32 #include "ui/gfx/native_widget_types.h"
  33 #include "ui/gfx/size.h"
  34 #include "ui/gl/gpu_preference.h"
  35
  36 #if defined(OS_ANDROID)
  37 #include "content/common/android/surface_texture_peer.h"
  38 #endif
  39
  40 #undef IPC_MESSAGE_EXPORT
  41 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  42
  43 #define IPC_MESSAGE_START GpuMsgStart
  44
  45 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig)
  46   IPC_STRUCT_MEMBER(int32, share_group_id)
  47   IPC_STRUCT_MEMBER(std::vector<int>, attribs)
  48   IPC_STRUCT_MEMBER(GURL, active_url)
  49   IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference)
  50 IPC_STRUCT_END()
  51
  52 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params)
  53   IPC_STRUCT_MEMBER(int32, surface_id)
  54   IPC_STRUCT_MEMBER(uint64, surface_handle)
  55   IPC_STRUCT_MEMBER(int32, route_id)
  56   IPC_STRUCT_MEMBER(std::string, mailbox_name)
  57   IPC_STRUCT_MEMBER(gfx::Size, size)
  58   IPC_STRUCT_MEMBER(float, scale_factor)
  59   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  60 IPC_STRUCT_END()
  61
  62 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params)
  63   IPC_STRUCT_MEMBER(int32, surface_id)
  64   IPC_STRUCT_MEMBER(uint64, surface_handle)
  65   IPC_STRUCT_MEMBER(int32, route_id)
  66   IPC_STRUCT_MEMBER(int, x)
  67   IPC_STRUCT_MEMBER(int, y)
  68   IPC_STRUCT_MEMBER(int, width)
  69   IPC_STRUCT_MEMBER(int, height)
  70   IPC_STRUCT_MEMBER(std::string, mailbox_name)
  71   IPC_STRUCT_MEMBER(gfx::Size, surface_size)
  72   IPC_STRUCT_MEMBER(float, surface_scale_factor)
  73   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
  74 IPC_STRUCT_END()
  75
  76 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params)
  77   IPC_STRUCT_MEMBER(int32, surface_id)
  78 IPC_STRUCT_END()
  79
  80 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
  81   IPC_STRUCT_MEMBER(std::string, mailbox_name)
  82   IPC_STRUCT_MEMBER(uint32, sync_point)
  83 #if defined(OS_MACOSX)
  84   IPC_STRUCT_MEMBER(int32, renderer_id)
  85 #endif
  86 #if defined(OS_WIN)
  87   IPC_STRUCT_MEMBER(base::TimeTicks, vsync_timebase)
  88   IPC_STRUCT_MEMBER(base::TimeDelta, vsync_interval)
  89 #endif
  90 IPC_STRUCT_END()
  91
  92 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
  93   IPC_STRUCT_MEMBER(int32, id)
  94   IPC_STRUCT_MEMBER(std::string, message)
  95 IPC_STRUCT_END()
  96
  97 #if defined(OS_ANDROID)
  98 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
  99   IPC_STRUCT_MEMBER(float, m00)
 100   IPC_STRUCT_MEMBER(float, m01)
 101   IPC_STRUCT_MEMBER(float, m02)
 102   IPC_STRUCT_MEMBER(float, m03)
 103   IPC_STRUCT_MEMBER(float, m10)
 104   IPC_STRUCT_MEMBER(float, m11)
 105   IPC_STRUCT_MEMBER(float, m12)
 106   IPC_STRUCT_MEMBER(float, m13)
 107   IPC_STRUCT_MEMBER(float, m20)
 108   IPC_STRUCT_MEMBER(float, m21)
 109   IPC_STRUCT_MEMBER(float, m22)
 110   IPC_STRUCT_MEMBER(float, m23)
 111   IPC_STRUCT_MEMBER(float, m30)
 112   IPC_STRUCT_MEMBER(float, m31)
 113   IPC_STRUCT_MEMBER(float, m32)
 114   IPC_STRUCT_MEMBER(float, m33)
 115 IPC_STRUCT_END()
 116 #endif
 117
 118   IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode)
 119   IPC_STRUCT_TRAITS_MEMBER(values)
 120   IPC_STRUCT_TRAITS_MEMBER(children)
 121 IPC_STRUCT_TRAITS_END()
 122
 123 IPC_STRUCT_TRAITS_BEGIN(gpu::GpuPerformanceStats)
 124   IPC_STRUCT_TRAITS_MEMBER(graphics)
 125   IPC_STRUCT_TRAITS_MEMBER(gaming)
 126   IPC_STRUCT_TRAITS_MEMBER(overall)
 127 IPC_STRUCT_TRAITS_END()
 128
 129 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice)
 130   IPC_STRUCT_TRAITS_MEMBER(vendor_id)
 131   IPC_STRUCT_TRAITS_MEMBER(device_id)
 132   IPC_STRUCT_TRAITS_MEMBER(vendor_string)
 133   IPC_STRUCT_TRAITS_MEMBER(device_string)
 134 IPC_STRUCT_TRAITS_END()
 135
 136 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo)
 137   IPC_STRUCT_TRAITS_MEMBER(finalized)
 138   IPC_STRUCT_TRAITS_MEMBER(initialization_time)
 139   IPC_STRUCT_TRAITS_MEMBER(optimus)
 140   IPC_STRUCT_TRAITS_MEMBER(amd_switchable)
 141   IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute)
 142   IPC_STRUCT_TRAITS_MEMBER(gpu)
 143   IPC_STRUCT_TRAITS_MEMBER(secondary_gpus)
 144   IPC_STRUCT_TRAITS_MEMBER(adapter_luid)
 145   IPC_STRUCT_TRAITS_MEMBER(driver_vendor)
 146   IPC_STRUCT_TRAITS_MEMBER(driver_version)
 147   IPC_STRUCT_TRAITS_MEMBER(driver_date)
 148   IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version)
 149   IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version)
 150   IPC_STRUCT_TRAITS_MEMBER(machine_model)
 151   IPC_STRUCT_TRAITS_MEMBER(gl_version)
 152   IPC_STRUCT_TRAITS_MEMBER(gl_version_string)
 153   IPC_STRUCT_TRAITS_MEMBER(gl_vendor)
 154   IPC_STRUCT_TRAITS_MEMBER(gl_renderer)
 155   IPC_STRUCT_TRAITS_MEMBER(gl_extensions)
 156   IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor)
 157   IPC_STRUCT_TRAITS_MEMBER(gl_ws_version)
 158   IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions)
 159   IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy)
 160   IPC_STRUCT_TRAITS_MEMBER(can_lose_context)
 161   IPC_STRUCT_TRAITS_MEMBER(performance_stats)
 162   IPC_STRUCT_TRAITS_MEMBER(software_rendering)
 163   IPC_STRUCT_TRAITS_MEMBER(sandboxed)
 164 #if defined(OS_WIN)
 165   IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics)
 166 #endif
 167 IPC_STRUCT_TRAITS_END()
 168
 169 IPC_STRUCT_TRAITS_BEGIN(gpu::Capabilities)
 170   IPC_STRUCT_TRAITS_MEMBER(post_sub_buffer)
 171   IPC_STRUCT_TRAITS_MEMBER(fast_npot_mo8_textures)
 172   IPC_STRUCT_TRAITS_MEMBER(egl_image_external)
 173   IPC_STRUCT_TRAITS_MEMBER(texture_format_bgra8888)
 174   IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1)
 175   IPC_STRUCT_TRAITS_MEMBER(texture_rectangle)
 176   IPC_STRUCT_TRAITS_MEMBER(iosurface)
 177   IPC_STRUCT_TRAITS_MEMBER(texture_usage)
 178   IPC_STRUCT_TRAITS_MEMBER(texture_storage)
 179   IPC_STRUCT_TRAITS_MEMBER(discard_framebuffer)
 180   IPC_STRUCT_TRAITS_MEMBER(map_image)
 181 IPC_STRUCT_TRAITS_END()
 182
 183 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats)
 184   IPC_STRUCT_TRAITS_MEMBER(video_memory)
 185   IPC_STRUCT_TRAITS_MEMBER(has_duplicates)
 186 IPC_STRUCT_TRAITS_END()
 187
 188 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats)
 189   IPC_STRUCT_TRAITS_MEMBER(process_map)
 190   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 191   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max)
 192 IPC_STRUCT_TRAITS_END()
 193
 194 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats)
 195   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current)
 196   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max)
 197   IPC_STRUCT_TRAITS_MEMBER(bytes_limit)
 198 IPC_STRUCT_TRAITS_END()
 199
 200 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation)
 201   IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible)
 202   IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible)
 203 IPC_STRUCT_TRAITS_END()
 204 IPC_ENUM_TRAITS(gpu::MemoryAllocation::PriorityCutoff)
 205
 206 IPC_STRUCT_TRAITS_BEGIN(gpu::ManagedMemoryStats)
 207   IPC_STRUCT_TRAITS_MEMBER(bytes_required)
 208   IPC_STRUCT_TRAITS_MEMBER(bytes_nice_to_have)
 209   IPC_STRUCT_TRAITS_MEMBER(bytes_allocated)
 210   IPC_STRUCT_TRAITS_MEMBER(backbuffer_requested)
 211 IPC_STRUCT_TRAITS_END()
 212
 213 IPC_ENUM_TRAITS(gfx::SurfaceType)
 214 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle)
 215   IPC_STRUCT_TRAITS_MEMBER(handle)
 216   IPC_STRUCT_TRAITS_MEMBER(transport_type)
 217   IPC_STRUCT_TRAITS_MEMBER(parent_client_id)
 218 IPC_STRUCT_TRAITS_END()
 219
 220 IPC_ENUM_TRAITS(content::CauseForGpuLaunch)
 221 IPC_ENUM_TRAITS(gfx::GpuPreference)
 222 IPC_ENUM_TRAITS(gpu::error::ContextLostReason)
 223
 224 IPC_ENUM_TRAITS(media::VideoCodecProfile)
 225
 226 IPC_STRUCT_TRAITS_BEGIN(content::GpuRenderingStats)
 227   IPC_STRUCT_TRAITS_MEMBER(global_texture_upload_count)
 228   IPC_STRUCT_TRAITS_MEMBER(global_total_texture_upload_time)
 229   IPC_STRUCT_TRAITS_MEMBER(texture_upload_count)
 230   IPC_STRUCT_TRAITS_MEMBER(total_texture_upload_time)
 231   IPC_STRUCT_TRAITS_MEMBER(global_total_processing_commands_time)
 232   IPC_STRUCT_TRAITS_MEMBER(total_processing_commands_time)
 233   IPC_STRUCT_TRAITS_MEMBER(global_video_memory_bytes_allocated)
 234 IPC_STRUCT_TRAITS_END()
 235
 236 IPC_ENUM_TRAITS(media::VideoFrame::Format)
 237
 238 IPC_ENUM_TRAITS(media::VideoEncodeAccelerator::Error)
 239
 240 //------------------------------------------------------------------------------
 241 // GPU Messages
 242 // These are messages from the browser to the GPU process.
 243
 244 // Tells the GPU process to initialize itself. The browser explicitly
 245 // requests this be done so that we are guaranteed that the channel is set
 246 // up between the browser and GPU process before doing any work that might
 247 // potentially crash the GPU process. Detection of the child process
 248 // exiting abruptly is predicated on having the IPC channel set up.
 249 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize)
 250
 251 // Tells the GPU process to create a new channel for communication with a
 252 // given client.  The channel name is returned in a
 253 // GpuHostMsg_ChannelEstablished message.  The client ID is passed so that
 254 // the GPU process reuses an existing channel to that process if it exists.
 255 // This ID is a unique opaque identifier generated by the browser process.
 256 IPC_MESSAGE_CONTROL2(GpuMsg_EstablishChannel,
 257                      int /* client_id */,
 258                      bool /* share_context */)
 259
 260 // Tells the GPU process to close the channel identified by IPC channel
 261 // handle.  If no channel can be identified, do nothing.
 262 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel,
 263                      IPC::ChannelHandle /* channel_handle */)
 264
 265 // Tells the GPU process to create a new command buffer that renders directly
 266 // to a native view. A corresponding GpuCommandBufferStub is created.
 267 IPC_MESSAGE_CONTROL4(GpuMsg_CreateViewCommandBuffer,
 268                      gfx::GLSurfaceHandle, /* compositing_surface */
 269                      int32, /* surface_id */
 270                      int32, /* client_id */
 271                      GPUCreateCommandBufferConfig /* init_params */)
 272
 273 // Tells the GPU process to create a new image from a window. Images
 274 // can be bound to textures using CHROMIUM_texture_from_image.
 275 IPC_MESSAGE_CONTROL3(GpuMsg_CreateImage,
 276                      gfx::PluginWindowHandle, /* window */
 277                      int32, /* client_id */
 278                      int32 /* image_id */)
 279
 280 // Tells the GPU process to delete image.
 281 IPC_MESSAGE_CONTROL3(GpuMsg_DeleteImage,
 282                      int32, /* client_id */
 283                      int32, /* image_id */
 284                      int32 /* sync_point */)
 285
 286 // Tells the GPU process to create a context for collecting graphics card
 287 // information.
 288 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo)
 289
 290 // Tells the GPU process to report video_memory information for the task manager
 291 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats)
 292
 293 // Tells the GPU process that the browser process has finished resizing the
 294 // view.
 295 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_ResizeViewACK)
 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_CONTROL2_1(GpuHostMsg_CreateViewCommandBuffer,
 335                             int32, /* surface_id */
 336                             GPUCreateCommandBufferConfig, /* init_params */
 337                             int32 /* route_id */)
 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                      int32 /* route_id */)
 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_CONTROL2_1(GpuChannelMsg_CreateOffscreenCommandBuffer,
 455                             gfx::Size, /* size */
 456                             GPUCreateCommandBufferConfig, /* init_params */
 457                             int32 /* route_id */)
 458
 459 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its
 460 // destructor, so that the stub deletes the actual CommandBufferService
 461 // object that it's hosting.
 462 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer,
 463                             int32 /* instance_id */)
 464
 465 // Generates n new unique mailbox names synchronously.
 466 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_GenerateMailboxNames,
 467                             unsigned, /* num */
 468                             std::vector<gpu::Mailbox> /* mailbox_names */)
 469
 470 // Generates n new unique mailbox names asynchronously.
 471 IPC_MESSAGE_CONTROL1(GpuChannelMsg_GenerateMailboxNamesAsync,
 472                      unsigned /* num */)
 473
 474 // Reply to GpuChannelMsg_GenerateMailboxNamesAsync.
 475 IPC_MESSAGE_CONTROL1(GpuChannelMsg_GenerateMailboxNamesReply,
 476                      std::vector<gpu::Mailbox> /* mailbox_names */)
 477
 478 // Create a new GPU-accelerated video encoder.
 479 IPC_SYNC_MESSAGE_CONTROL0_1(GpuChannelMsg_CreateVideoEncoder,
 480                             int32 /* route_id */)
 481
 482 IPC_MESSAGE_CONTROL1(GpuChannelMsg_DestroyVideoEncoder, int32 /* route_id */)
 483
 484 // Tells the GPU process to collect rendering stats.
 485 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_CollectRenderingStatsForSurface,
 486                             int32 /* surface_id */,
 487                             content::GpuRenderingStats /* stats */)
 488
 489 // Sent by DevTools agent in the inspected renderer process to initiate GPU
 490 // instrumentation events recording.
 491 IPC_SYNC_MESSAGE_CONTROL0_1(GpuChannelMsg_DevToolsStartEventsRecording,
 492                             int32 /* route_id */)
 493
 494 // The message is sent when DevTools want to stop events recording.
 495 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording)
 496
 497 #if defined(OS_ANDROID)
 498 //------------------------------------------------------------------------------
 499 // Stream Texture Messages
 500 // Tells the GPU process create and send the java surface texture object to
 501 // the renderer process through the binder thread.
 502 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer,
 503                     int32, /* primary_id */
 504                     int32  /* secondary_id */)
 505
 506 // Tells the GPU process to set the size of StreamTexture from the given
 507 // stream Id.
 508 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize,
 509                     gfx::Size /* size */)
 510
 511 // Tells the service-side instance to start sending frame available
 512 // notifications.
 513 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening)
 514
 515 // Inform the renderer that a new frame is available.
 516 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable)
 517
 518 // Inform the renderer process that the transform matrix has changed.
 519 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged,
 520                     GpuStreamTextureMsg_MatrixChanged_Params /* params */)
 521 #endif
 522
 523 //------------------------------------------------------------------------------
 524 // GPU Command Buffer Messages
 525 // These are messages between a renderer process to the GPU process relating to
 526 // a single OpenGL context.
 527 // Initialize a command buffer with the given number of command entries.
 528 // Returns the shared memory handle for the command buffer mapped to the
 529 // calling process.
 530 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize,
 531                            base::SharedMemoryHandle /* shared_state */,
 532                            bool /* result */,
 533                            gpu::Capabilities /* capabilities */)
 534
 535 // Sets the shared memory buffer used for commands.
 536 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer,
 537                            int32 /* shm_id */)
 538
 539 // Produces the front buffer into a mailbox. This allows another context to draw
 540 // the output of this context.
 541 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer,
 542                     gpu::Mailbox /* mailbox */)
 543
 544 // Get the current state of the command buffer.
 545 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_GetState,
 546                            gpu::CommandBuffer::State /* state */)
 547
 548 // Get the current state of the command buffer, as fast as possible.
 549 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_GetStateFast,
 550                            gpu::CommandBuffer::State /* state */)
 551
 552 // Asynchronously synchronize the put and get offsets of both processes.
 553 // Caller passes its current put offset. Current state (including get offset)
 554 // is returned in shared memory.
 555 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_AsyncFlush,
 556                     int32 /* put_offset */,
 557                     uint32 /* flush_count */)
 558
 559 // Sends information about the latency of the current frame to the GPU
 560 // process.
 561 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetLatencyInfo,
 562                     std::vector<ui::LatencyInfo> /* latency_info */)
 563
 564 // Asynchronously process any commands known to the GPU process. This is only
 565 // used in the event that a channel is unscheduled and needs to be flushed
 566 // again to process any commands issued subsequent to unscheduling. The GPU
 567 // process actually sends it (deferred) to itself.
 568 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled)
 569
 570 // Sent by the GPU process to display messages in the console.
 571 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg,
 572                     GPUCommandBufferConsoleMessage /* msg */)
 573
 574 // Register an existing shared memory transfer buffer. The id that can be
 575 // used to identify the transfer buffer from a command buffer.
 576 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer,
 577                     int32 /* id */,
 578                     base::SharedMemoryHandle /* transfer_buffer */,
 579                     uint32 /* size */)
 580
 581 // Destroy a previously created transfer buffer.
 582 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer,
 583                     int32 /* id */)
 584
 585 // Get the shared memory handle for a transfer buffer mapped to the callers
 586 // process.
 587 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_GetTransferBuffer,
 588                            int32 /* id */,
 589                            base::SharedMemoryHandle /* transfer_buffer */,
 590                            uint32 /* size */)
 591
 592 // Create and initialize a hardware video decoder, returning its new route_id.
 593 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when
 594 // no longer needed.
 595 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_CreateVideoDecoder,
 596                            media::VideoCodecProfile /* profile */,
 597                            int /* route_id */)
 598
 599 // Tells the proxy that there was an error and the command buffer had to be
 600 // destroyed for some reason.
 601 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed,
 602                     gpu::error::ContextLostReason /* reason */)
 603
 604 // Request that the GPU process reply with the given message. Reply may be
 605 // delayed.
 606 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Echo,
 607                     IPC::Message /* reply */)
 608
 609 // Response to a GpuChannelMsg_Echo message.
 610 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EchoAck)
 611
 612 // Send to stub on surface visibility change.
 613 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */)
 614
 615 // Sent to proxy when the gpu memory manager changes its memory allocation.
 616 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation,
 617                     gpu::MemoryAllocation /* allocation */)
 618
 619 // Sent to stub from the proxy with statistics on managed memory usage and
 620 // requirements.
 621 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SendClientManagedMemoryStats,
 622                     gpu::ManagedMemoryStats /* stats */)
 623
 624 // Sent to stub when proxy is assigned a memory allocation changed callback.
 625 IPC_MESSAGE_ROUTED1(
 626     GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback,
 627     bool /* has_callback */)
 628
 629 // Inserts a sync point into the channel. This is handled on the IO thread, so
 630 // can be expected to be reasonably fast, but the sync point is actually
 631 // retired in order with respect to the other calls. The sync point is shared
 632 // across channels.
 633 IPC_SYNC_MESSAGE_ROUTED0_1(GpuCommandBufferMsg_InsertSyncPoint,
 634                            uint32 /* sync_point */)
 635
 636 // Retires the sync point. Note: this message is not sent explicitly by the
 637 // renderer, but is synthesized by the GPU process.
 638 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint,
 639                     uint32 /* sync_point */)
 640
 641 // Makes this command buffer signal when a sync point is reached, by sending
 642 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 643 // signal_id.
 644 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint,
 645                     uint32 /* sync_point */,
 646                     uint32 /* signal_id */)
 647
 648 // Response to GpuCommandBufferMsg_SignalSyncPoint.
 649 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck,
 650                     uint32 /* signal_id */)
 651
 652 // Makes this command buffer signal when a query is reached, by sending
 653 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same
 654 // signal_id.
 655 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery,
 656                     uint32 /* query */,
 657                     uint32 /* signal_id */)
 658
 659 // Register an existing gpu memory buffer. The id that can be
 660 // used to identify the gpu memory buffer from a command buffer.
 661 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer,
 662                     int32 /* id */,
 663                     gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */,
 664                     uint32 /* width */,
 665                     uint32 /* height */,
 666                     uint32 /* internalformat */)
 667
 668 // Destroy a previously created gpu memory buffer.
 669 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyGpuMemoryBuffer,
 670                     int32 /* id */)
 671
 672 // Attaches an external image stream to the client texture.
 673 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_CreateStreamTexture,
 674                            uint32, /* client_texture_id */
 675                            int32   /* stream_id */)
 676
 677 //------------------------------------------------------------------------------
 678 // Accelerated Video Decoder Messages
 679 // These messages are sent from Renderer process to GPU process.
 680
 681 // Send input buffer for decoding.
 682 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode,
 683                     base::SharedMemoryHandle, /* input_buffer_handle */
 684                     int32, /* bitstream_buffer_id */
 685                     uint32) /* size */
 686
 687 // Sent from Renderer process to the GPU process to give the texture IDs for
 688 // the textures the decoder will use for output.
 689 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers,
 690                     std::vector<int32>,  /* Picture buffer ID */
 691                     std::vector<uint32>) /* Texture ID */
 692
 693 // Send from Renderer process to the GPU process to recycle the given picture
 694 // buffer for further decoding.
 695 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer,
 696                     int32) /* Picture buffer ID */
 697
 698 // Send flush request to the decoder.
 699 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush)
 700
 701 // Send reset request to the decoder.
 702 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset)
 703
 704 // Send destroy request to the decoder.
 705 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy)
 706
 707 //------------------------------------------------------------------------------
 708 // Accelerated Video Decoder Host Messages
 709 // These messages are sent from GPU process to Renderer process.
 710 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been
 711 // created.
 712
 713 // Accelerated video decoder has consumed input buffer from transfer buffer.
 714 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed,
 715                     int32) /* Processed buffer ID */
 716
 717 // Allocate video frames for output of the hardware video decoder.
 718 IPC_MESSAGE_ROUTED3(
 719     AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers,
 720     int32, /* Number of video frames to generate */
 721     gfx::Size, /* Requested size of buffer */
 722     uint32 ) /* Texture target */
 723
 724 // Decoder reports that a picture is ready and buffer does not need to be passed
 725 // back to the decoder.
 726 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer,
 727                     int32) /* Picture buffer ID */
 728
 729 // Decoder reports that a picture is ready.
 730 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderHostMsg_PictureReady,
 731                     int32,  /* Picture buffer ID */
 732                     int32)  /* Bitstream buffer ID */
 733
 734 // Confirm decoder has been flushed.
 735 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone)
 736
 737 // Confirm decoder has been reset.
 738 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone)
 739
 740 // Video decoder has encountered an error.
 741 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification,
 742                     uint32) /* Error ID */
 743
 744 //------------------------------------------------------------------------------
 745 // Accelerated Video Encoder Messages
 746 // These messages are sent from the Renderer process to GPU process.
 747
 748 // Initialize the accelerated encoder.
 749 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Initialize,
 750                     media::VideoFrame::Format /* input_format */,
 751                     gfx::Size /* input_visible_size */,
 752                     media::VideoCodecProfile /* output_profile */,
 753                     uint32 /* initial_bitrate */)
 754
 755 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by
 756 // AcceleratedVideoEncoderHostMsg_NotifyEncodeDone.
 757 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Encode,
 758                     int32 /* frame_id */,
 759                     base::SharedMemoryHandle /* buffer_handle */,
 760                     uint32 /* buffer_size */,
 761                     bool /* force_keyframe */)
 762
 763 // Queue a buffer to the encoder for use in returning output.  |buffer_id| will
 764 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady.
 765 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer,
 766                     int32 /* buffer_id */,
 767                     base::SharedMemoryHandle /* buffer_handle */,
 768                     uint32 /* buffer_size */)
 769
 770 // Request a runtime encoding parameter change.
 771 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange,
 772                     uint32 /* bitrate */,
 773                     uint32 /* framerate */)
 774
 775 //------------------------------------------------------------------------------
 776 // Accelerated Video Encoder Host Messages
 777 // These messages are sent from GPU process to Renderer process.
 778
 779 // Notify of the completion of initialization.
 780 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderHostMsg_NotifyInitializeDone)
 781
 782 // Notify renderer of the input/output buffer requirements of the encoder.
 783 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers,
 784                     uint32 /* input_count */,
 785                     gfx::Size /* input_coded_size */,
 786                     uint32 /* output_buffer_size */)
 787
 788 // Notify the renderer that the encoder has finished using an input buffer.
 789 // There is no congruent entry point in the media::VideoEncodeAccelerator
 790 // interface, in VEA this same done condition is indicated by dropping the
 791 // reference to the media::VideoFrame passed to VEA::Encode().
 792 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone,
 793                     int32 /* frame_id */)
 794
 795 // Notify the renderer that an output buffer has been filled with encoded data.
 796 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady,
 797                     int32 /* bitstream_buffer_id */,
 798                     uint32 /* payload_size */,
 799                     bool /* key_frame */)
 800
 801 // Report error condition.
 802 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError,
 803                     media::VideoEncodeAccelerator::Error /* error */)