1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Multiply-included message file, hence no include guard here, but see below 6 // for a much smaller-than-usual include guard section. 7 8 #include <string> 9 #include <vector> 10 11 #include "base/memory/shared_memory.h" 12 #include "content/common/content_export.h" 13 #include "content/common/gpu/gpu_memory_uma_stats.h" 14 #include "content/common/gpu/gpu_process_launch_causes.h" 15 #include "content/common/gpu/gpu_result_codes.h" 16 #include "content/public/common/common_param_traits.h" 17 #include "content/public/common/gpu_memory_stats.h" 18 #include "gpu/command_buffer/common/capabilities.h" 19 #include "gpu/command_buffer/common/command_buffer.h" 20 #include "gpu/command_buffer/common/constants.h" 21 #include "gpu/command_buffer/common/gpu_memory_allocation.h" 22 #include "gpu/command_buffer/common/mailbox.h" 23 #include "gpu/config/gpu_info.h" 24 #include "gpu/ipc/gpu_command_buffer_traits.h" 25 #include "ipc/ipc_channel_handle.h" 26 #include "ipc/ipc_message_macros.h" 27 #include "media/base/video_frame.h" 28 #include "media/video/video_decode_accelerator.h" 29 #include "media/video/video_encode_accelerator.h" 30 #include "ui/events/latency_info.h" 31 #include "ui/gfx/gpu_memory_buffer.h" 32 #include "ui/gfx/native_widget_types.h" 33 #include "ui/gfx/size.h" 34 #include "ui/gl/gpu_preference.h" 35 36 #if defined(OS_ANDROID) 37 #include "content/common/android/surface_texture_peer.h" 38 #endif 39 40 #undef IPC_MESSAGE_EXPORT 41 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT 42 43 #define IPC_MESSAGE_START GpuMsgStart 44 45 IPC_ENUM_TRAITS_MAX_VALUE(content::CauseForGpuLaunch, 46 content::CAUSE_FOR_GPU_LAUNCH_MAX_ENUM - 1) 47 IPC_ENUM_TRAITS_MAX_VALUE(content::CreateCommandBufferResult, 48 content::CREATE_COMMAND_BUFFER_RESULT_LAST) 49 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuPreference, 50 gfx::GpuPreferenceLast) 51 IPC_ENUM_TRAITS_MAX_VALUE(gfx::SurfaceType, 52 gfx::SURFACE_TYPE_LAST) 53 IPC_ENUM_TRAITS_MAX_VALUE(gpu::MemoryAllocation::PriorityCutoff, 54 gpu::MemoryAllocation::CUTOFF_LAST) 55 IPC_ENUM_TRAITS_MAX_VALUE(gpu::error::ContextLostReason, 56 gpu::error::kContextLostReasonLast) 57 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoEncodeAccelerator::Error, 58 media::VideoEncodeAccelerator::kErrorMax) 59 IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::Format, 60 media::VideoFrame::FORMAT_MAX) 61 IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile, 62 media::VIDEO_CODEC_PROFILE_MIN, 63 media::VIDEO_CODEC_PROFILE_MAX) 64 IPC_ENUM_TRAITS_MIN_MAX_VALUE(gpu::CollectInfoResult, 65 gpu::kCollectInfoNone, 66 gpu::kCollectInfoFatalFailure) 67 68 IPC_STRUCT_BEGIN(GPUCreateCommandBufferConfig) 69 IPC_STRUCT_MEMBER(int32, share_group_id) 70 IPC_STRUCT_MEMBER(std::vector<int>, attribs) 71 IPC_STRUCT_MEMBER(GURL, active_url) 72 IPC_STRUCT_MEMBER(gfx::GpuPreference, gpu_preference) 73 IPC_STRUCT_END() 74 75 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params) 76 IPC_STRUCT_MEMBER(int32, surface_id) 77 IPC_STRUCT_MEMBER(uint64, surface_handle) 78 IPC_STRUCT_MEMBER(int32, route_id) 79 IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox) 80 IPC_STRUCT_MEMBER(gfx::Size, size) 81 IPC_STRUCT_MEMBER(float, scale_factor) 82 IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info) 83 IPC_STRUCT_END() 84 85 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params) 86 IPC_STRUCT_MEMBER(int32, surface_id) 87 IPC_STRUCT_MEMBER(uint64, surface_handle) 88 IPC_STRUCT_MEMBER(int32, route_id) 89 IPC_STRUCT_MEMBER(int, x) 90 IPC_STRUCT_MEMBER(int, y) 91 IPC_STRUCT_MEMBER(int, width) 92 IPC_STRUCT_MEMBER(int, height) 93 IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox) 94 IPC_STRUCT_MEMBER(gfx::Size, surface_size) 95 IPC_STRUCT_MEMBER(float, surface_scale_factor) 96 IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info) 97 IPC_STRUCT_END() 98 99 IPC_STRUCT_BEGIN(GpuHostMsg_AcceleratedSurfaceRelease_Params) 100 IPC_STRUCT_MEMBER(int32, surface_id) 101 IPC_STRUCT_END() 102 103 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params) 104 IPC_STRUCT_MEMBER(gpu::Mailbox, mailbox) 105 IPC_STRUCT_MEMBER(uint32, sync_point) 106 #if defined(OS_MACOSX) 107 IPC_STRUCT_MEMBER(int32, renderer_id) 108 #endif 109 #if defined(OS_WIN) 110 IPC_STRUCT_MEMBER(base::TimeTicks, vsync_timebase) 111 IPC_STRUCT_MEMBER(base::TimeDelta, vsync_interval) 112 #endif 113 IPC_STRUCT_END() 114 115 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage) 116 IPC_STRUCT_MEMBER(int32, id) 117 IPC_STRUCT_MEMBER(std::string, message) 118 IPC_STRUCT_END() 119 120 #if defined(OS_ANDROID) 121 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params) 122 IPC_STRUCT_MEMBER(float, m00) 123 IPC_STRUCT_MEMBER(float, m01) 124 IPC_STRUCT_MEMBER(float, m02) 125 IPC_STRUCT_MEMBER(float, m03) 126 IPC_STRUCT_MEMBER(float, m10) 127 IPC_STRUCT_MEMBER(float, m11) 128 IPC_STRUCT_MEMBER(float, m12) 129 IPC_STRUCT_MEMBER(float, m13) 130 IPC_STRUCT_MEMBER(float, m20) 131 IPC_STRUCT_MEMBER(float, m21) 132 IPC_STRUCT_MEMBER(float, m22) 133 IPC_STRUCT_MEMBER(float, m23) 134 IPC_STRUCT_MEMBER(float, m30) 135 IPC_STRUCT_MEMBER(float, m31) 136 IPC_STRUCT_MEMBER(float, m32) 137 IPC_STRUCT_MEMBER(float, m33) 138 IPC_STRUCT_END() 139 #endif 140 141 IPC_STRUCT_TRAITS_BEGIN(gpu::DxDiagNode) 142 IPC_STRUCT_TRAITS_MEMBER(values) 143 IPC_STRUCT_TRAITS_MEMBER(children) 144 IPC_STRUCT_TRAITS_END() 145 146 IPC_STRUCT_TRAITS_BEGIN(gpu::GpuPerformanceStats) 147 IPC_STRUCT_TRAITS_MEMBER(graphics) 148 IPC_STRUCT_TRAITS_MEMBER(gaming) 149 IPC_STRUCT_TRAITS_MEMBER(overall) 150 IPC_STRUCT_TRAITS_END() 151 152 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo::GPUDevice) 153 IPC_STRUCT_TRAITS_MEMBER(vendor_id) 154 IPC_STRUCT_TRAITS_MEMBER(device_id) 155 IPC_STRUCT_TRAITS_MEMBER(active) 156 IPC_STRUCT_TRAITS_MEMBER(vendor_string) 157 IPC_STRUCT_TRAITS_MEMBER(device_string) 158 IPC_STRUCT_TRAITS_END() 159 160 IPC_STRUCT_TRAITS_BEGIN(media::VideoEncodeAccelerator::SupportedProfile) 161 IPC_STRUCT_TRAITS_MEMBER(profile) 162 IPC_STRUCT_TRAITS_MEMBER(max_resolution) 163 IPC_STRUCT_TRAITS_MEMBER(max_framerate_numerator) 164 IPC_STRUCT_TRAITS_MEMBER(max_framerate_denominator) 165 IPC_STRUCT_TRAITS_END() 166 167 IPC_STRUCT_TRAITS_BEGIN(gpu::GPUInfo) 168 IPC_STRUCT_TRAITS_MEMBER(initialization_time) 169 IPC_STRUCT_TRAITS_MEMBER(optimus) 170 IPC_STRUCT_TRAITS_MEMBER(amd_switchable) 171 IPC_STRUCT_TRAITS_MEMBER(lenovo_dcute) 172 IPC_STRUCT_TRAITS_MEMBER(gpu) 173 IPC_STRUCT_TRAITS_MEMBER(secondary_gpus) 174 IPC_STRUCT_TRAITS_MEMBER(adapter_luid) 175 IPC_STRUCT_TRAITS_MEMBER(driver_vendor) 176 IPC_STRUCT_TRAITS_MEMBER(driver_version) 177 IPC_STRUCT_TRAITS_MEMBER(driver_date) 178 IPC_STRUCT_TRAITS_MEMBER(pixel_shader_version) 179 IPC_STRUCT_TRAITS_MEMBER(vertex_shader_version) 180 IPC_STRUCT_TRAITS_MEMBER(machine_model_name) 181 IPC_STRUCT_TRAITS_MEMBER(machine_model_version) 182 IPC_STRUCT_TRAITS_MEMBER(gl_version) 183 IPC_STRUCT_TRAITS_MEMBER(gl_vendor) 184 IPC_STRUCT_TRAITS_MEMBER(gl_renderer) 185 IPC_STRUCT_TRAITS_MEMBER(gl_extensions) 186 IPC_STRUCT_TRAITS_MEMBER(gl_ws_vendor) 187 IPC_STRUCT_TRAITS_MEMBER(gl_ws_version) 188 IPC_STRUCT_TRAITS_MEMBER(gl_ws_extensions) 189 IPC_STRUCT_TRAITS_MEMBER(gl_reset_notification_strategy) 190 IPC_STRUCT_TRAITS_MEMBER(can_lose_context) 191 IPC_STRUCT_TRAITS_MEMBER(performance_stats) 192 IPC_STRUCT_TRAITS_MEMBER(software_rendering) 193 IPC_STRUCT_TRAITS_MEMBER(direct_rendering) 194 IPC_STRUCT_TRAITS_MEMBER(sandboxed) 195 IPC_STRUCT_TRAITS_MEMBER(process_crash_count) 196 IPC_STRUCT_TRAITS_MEMBER(basic_info_state) 197 IPC_STRUCT_TRAITS_MEMBER(context_info_state) 198 #if defined(OS_WIN) 199 IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics_info_state) 200 IPC_STRUCT_TRAITS_MEMBER(dx_diagnostics) 201 #endif 202 IPC_STRUCT_TRAITS_MEMBER(video_encode_accelerator_supported_profiles) 203 IPC_STRUCT_TRAITS_END() 204 205 IPC_STRUCT_TRAITS_BEGIN(gpu::Capabilities) 206 IPC_STRUCT_TRAITS_MEMBER(post_sub_buffer) 207 IPC_STRUCT_TRAITS_MEMBER(egl_image_external) 208 IPC_STRUCT_TRAITS_MEMBER(texture_format_bgra8888) 209 IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1) 210 IPC_STRUCT_TRAITS_MEMBER(texture_format_etc1_npot) 211 IPC_STRUCT_TRAITS_MEMBER(texture_rectangle) 212 IPC_STRUCT_TRAITS_MEMBER(iosurface) 213 IPC_STRUCT_TRAITS_MEMBER(texture_usage) 214 IPC_STRUCT_TRAITS_MEMBER(texture_storage) 215 IPC_STRUCT_TRAITS_MEMBER(discard_framebuffer) 216 IPC_STRUCT_TRAITS_MEMBER(sync_query) 217 IPC_STRUCT_TRAITS_MEMBER(map_image) 218 IPC_STRUCT_TRAITS_END() 219 220 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats::ProcessStats) 221 IPC_STRUCT_TRAITS_MEMBER(video_memory) 222 IPC_STRUCT_TRAITS_MEMBER(has_duplicates) 223 IPC_STRUCT_TRAITS_END() 224 225 IPC_STRUCT_TRAITS_BEGIN(content::GPUVideoMemoryUsageStats) 226 IPC_STRUCT_TRAITS_MEMBER(process_map) 227 IPC_STRUCT_TRAITS_MEMBER(bytes_allocated) 228 IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_historical_max) 229 IPC_STRUCT_TRAITS_END() 230 231 IPC_STRUCT_TRAITS_BEGIN(content::GPUMemoryUmaStats) 232 IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_current) 233 IPC_STRUCT_TRAITS_MEMBER(bytes_allocated_max) 234 IPC_STRUCT_TRAITS_MEMBER(bytes_limit) 235 IPC_STRUCT_TRAITS_END() 236 237 IPC_STRUCT_TRAITS_BEGIN(gpu::MemoryAllocation) 238 IPC_STRUCT_TRAITS_MEMBER(bytes_limit_when_visible) 239 IPC_STRUCT_TRAITS_MEMBER(priority_cutoff_when_visible) 240 IPC_STRUCT_TRAITS_END() 241 242 IPC_STRUCT_TRAITS_BEGIN(gfx::GLSurfaceHandle) 243 IPC_STRUCT_TRAITS_MEMBER(handle) 244 IPC_STRUCT_TRAITS_MEMBER(transport_type) 245 IPC_STRUCT_TRAITS_MEMBER(parent_client_id) 246 IPC_STRUCT_TRAITS_END() 247 248 //------------------------------------------------------------------------------ 249 // GPU Messages 250 // These are messages from the browser to the GPU process. 251 252 // Tells the GPU process to initialize itself. The browser explicitly 253 // requests this be done so that we are guaranteed that the channel is set 254 // up between the browser and GPU process before doing any work that might 255 // potentially crash the GPU process. Detection of the child process 256 // exiting abruptly is predicated on having the IPC channel set up. 257 IPC_MESSAGE_CONTROL0(GpuMsg_Initialize) 258 259 // Tells the GPU process to create a new channel for communication with a 260 // given client. The channel name is returned in a 261 // GpuHostMsg_ChannelEstablished message. The client ID is passed so that 262 // the GPU process reuses an existing channel to that process if it exists. 263 // This ID is a unique opaque identifier generated by the browser process. 264 IPC_MESSAGE_CONTROL3(GpuMsg_EstablishChannel, 265 int /* client_id */, 266 bool /* share_context */, 267 bool /* allow_future_sync_points */) 268 269 // Tells the GPU process to close the channel identified by IPC channel 270 // handle. If no channel can be identified, do nothing. 271 IPC_MESSAGE_CONTROL1(GpuMsg_CloseChannel, 272 IPC::ChannelHandle /* channel_handle */) 273 274 // Tells the GPU process to create a new command buffer that renders directly 275 // to a native view. A corresponding GpuCommandBufferStub is created. 276 IPC_MESSAGE_CONTROL5(GpuMsg_CreateViewCommandBuffer, 277 gfx::GLSurfaceHandle, /* compositing_surface */ 278 int32, /* surface_id */ 279 int32, /* client_id */ 280 GPUCreateCommandBufferConfig, /* init_params */ 281 int32 /* route_id */) 282 283 // Tells the GPU process to create a new gpu memory buffer for |handle|. 284 IPC_MESSAGE_CONTROL4(GpuMsg_CreateGpuMemoryBuffer, 285 gfx::GpuMemoryBufferHandle, /* handle */ 286 gfx::Size, /* size */ 287 unsigned, /* internalformat */ 288 unsigned /* usage */) 289 290 // Tells the GPU process to destroy buffer. 291 IPC_MESSAGE_CONTROL2(GpuMsg_DestroyGpuMemoryBuffer, 292 gfx::GpuMemoryBufferHandle, /* handle */ 293 int32 /* sync_point */) 294 295 // Tells the GPU process to create a context for collecting graphics card 296 // information. 297 IPC_MESSAGE_CONTROL0(GpuMsg_CollectGraphicsInfo) 298 299 // Tells the GPU process to report video_memory information for the task manager 300 IPC_MESSAGE_CONTROL0(GpuMsg_GetVideoMemoryUsageStats) 301 302 // Tells the GPU process that the browser process has handled the swap 303 // buffers or post sub-buffer request. A non-zero sync point means 304 // that we should wait for the sync point. The surface_handle identifies 305 // that buffer that has finished presented, i.e. the buffer being returned. 306 IPC_MESSAGE_ROUTED1(AcceleratedSurfaceMsg_BufferPresented, 307 AcceleratedSurfaceMsg_BufferPresented_Params) 308 309 // Tells the GPU process to wake up the GPU because we're about to draw. 310 IPC_MESSAGE_ROUTED0(AcceleratedSurfaceMsg_WakeUpGpu) 311 312 // Tells the GPU process to remove all contexts. 313 IPC_MESSAGE_CONTROL0(GpuMsg_Clean) 314 315 // Tells the GPU process to crash. 316 IPC_MESSAGE_CONTROL0(GpuMsg_Crash) 317 318 // Tells the GPU process to hang. 319 IPC_MESSAGE_CONTROL0(GpuMsg_Hang) 320 321 // Tells the GPU process to disable the watchdog thread. 322 IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog) 323 324 //------------------------------------------------------------------------------ 325 // GPU Host Messages 326 // These are messages to the browser. 327 328 // A renderer sends this when it wants to create a connection to the GPU 329 // process. The browser will create the GPU process if necessary, and will 330 // return a handle to the channel via a GpuChannelEstablished message. 331 IPC_SYNC_MESSAGE_CONTROL1_3(GpuHostMsg_EstablishGpuChannel, 332 content::CauseForGpuLaunch, 333 int /* client id */, 334 IPC::ChannelHandle /* handle to channel */, 335 gpu::GPUInfo /* stats about GPU process*/) 336 337 // A renderer sends this to the browser process when it wants to 338 // create a GL context associated with the given view_id. 339 IPC_SYNC_MESSAGE_CONTROL3_1(GpuHostMsg_CreateViewCommandBuffer, 340 int32, /* surface_id */ 341 GPUCreateCommandBufferConfig, /* init_params */ 342 int32, /* route_id */ 343 content::CreateCommandBufferResult /* result */) 344 345 // Response from GPU to a GputMsg_Initialize message. 346 IPC_MESSAGE_CONTROL2(GpuHostMsg_Initialized, 347 bool /* result */, 348 ::gpu::GPUInfo /* gpu_info */) 349 350 // Response from GPU to a GpuHostMsg_EstablishChannel message. 351 IPC_MESSAGE_CONTROL1(GpuHostMsg_ChannelEstablished, 352 IPC::ChannelHandle /* channel_handle */) 353 354 // Message from GPU to notify to destroy the channel. 355 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyChannel, 356 int32 /* client_id */) 357 358 // Message to cache the given shader information. 359 IPC_MESSAGE_CONTROL3(GpuHostMsg_CacheShader, 360 int32 /* client_id */, 361 std::string /* key */, 362 std::string /* shader */) 363 364 // Message to the GPU that a shader was loaded from disk. 365 IPC_MESSAGE_CONTROL1(GpuMsg_LoadedShader, 366 std::string /* encoded shader */) 367 368 // Respond from GPU to a GpuMsg_CreateViewCommandBuffer message. 369 IPC_MESSAGE_CONTROL1(GpuHostMsg_CommandBufferCreated, 370 content::CreateCommandBufferResult /* result */) 371 372 // Request from GPU to free the browser resources associated with the 373 // command buffer. 374 IPC_MESSAGE_CONTROL1(GpuHostMsg_DestroyCommandBuffer, 375 int32 /* surface_id */) 376 377 // Response from GPU to a GpuMsg_CreateGpuMemoryBuffer message. 378 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryBufferCreated, 379 gfx::GpuMemoryBufferHandle /* handle */) 380 381 // Response from GPU to a GpuMsg_CollectGraphicsInfo. 382 IPC_MESSAGE_CONTROL1(GpuHostMsg_GraphicsInfoCollected, 383 gpu::GPUInfo /* GPU logging stats */) 384 385 // Response from GPU to a GpuMsg_GetVideoMemory. 386 IPC_MESSAGE_CONTROL1(GpuHostMsg_VideoMemoryUsageStats, 387 content::GPUVideoMemoryUsageStats /* GPU memory stats */) 388 389 // Message from GPU to add a GPU log message to the about:gpu page. 390 IPC_MESSAGE_CONTROL3(GpuHostMsg_OnLogMessage, 391 int /*severity*/, 392 std::string /* header */, 393 std::string /* message */) 394 395 // Tells the browser that a new accelerated surface was initialized. 396 IPC_MESSAGE_CONTROL2(GpuHostMsg_AcceleratedSurfaceInitialized, 397 int32 /* surface_id */, 398 int32 /* route_id */) 399 400 // Tells the browser that a frame with the specific latency info was drawn to 401 // the screen 402 IPC_MESSAGE_CONTROL1(GpuHostMsg_FrameDrawn, 403 std::vector<ui::LatencyInfo> /* latency_info */) 404 405 // Same as above with a rect of the part of the surface that changed. 406 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceBuffersSwapped, 407 GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params) 408 409 // This message notifies the browser process that the renderer 410 // swapped a portion of the buffers associated with the given "window", which 411 // should cause the browser to redraw the compositor's contents. 412 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfacePostSubBuffer, 413 GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params) 414 415 // Tells the browser to release whatever resources are associated with 416 // the given surface. The browser must send an ACK once this operation 417 // is complete. 418 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceRelease, 419 GpuHostMsg_AcceleratedSurfaceRelease_Params) 420 421 // Tells the browser to release resources for the given surface until the next 422 // time swap buffers or post sub buffer is sent. 423 IPC_MESSAGE_CONTROL1(GpuHostMsg_AcceleratedSurfaceSuspend, 424 int32 /* surface_id */) 425 426 // Tells the browser about updated parameters for vsync alignment. 427 IPC_MESSAGE_CONTROL3(GpuHostMsg_UpdateVSyncParameters, 428 int32 /* surface_id */, 429 base::TimeTicks /* timebase */, 430 base::TimeDelta /* interval */) 431 432 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidCreateOffscreenContext, 433 GURL /* url */) 434 435 IPC_MESSAGE_CONTROL3(GpuHostMsg_DidLoseContext, 436 bool /* offscreen */, 437 gpu::error::ContextLostReason /* reason */, 438 GURL /* url */) 439 440 IPC_MESSAGE_CONTROL1(GpuHostMsg_DidDestroyOffscreenContext, 441 GURL /* url */) 442 443 // Tells the browser about GPU memory usage statistics for UMA logging. 444 IPC_MESSAGE_CONTROL1(GpuHostMsg_GpuMemoryUmaStats, 445 content::GPUMemoryUmaStats /* GPU memory UMA stats */) 446 447 //------------------------------------------------------------------------------ 448 // GPU Channel Messages 449 // These are messages from a renderer process to the GPU process. 450 451 // Tells the GPU process to create a new command buffer that renders to an 452 // offscreen frame buffer. 453 IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer, 454 gfx::Size, /* size */ 455 GPUCreateCommandBufferConfig, /* init_params */ 456 int32, /* route_id */ 457 bool /* succeeded */) 458 459 // The CommandBufferProxy sends this to the GpuCommandBufferStub in its 460 // destructor, so that the stub deletes the actual CommandBufferService 461 // object that it's hosting. 462 IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer, 463 int32 /* instance_id */) 464 465 // Sent by DevTools agent in the inspected renderer process to initiate GPU 466 // instrumentation events recording. 467 IPC_SYNC_MESSAGE_CONTROL1_1(GpuChannelMsg_DevToolsStartEventsRecording, 468 int32, /* route_id */ 469 bool /* succeeded */) 470 471 // The message is sent when DevTools want to stop events recording. 472 IPC_MESSAGE_CONTROL0(GpuChannelMsg_DevToolsStopEventsRecording) 473 474 #if defined(OS_ANDROID) 475 //------------------------------------------------------------------------------ 476 // Stream Texture Messages 477 // Tells the GPU process create and send the java surface texture object to 478 // the renderer process through the binder thread. 479 IPC_MESSAGE_ROUTED2(GpuStreamTextureMsg_EstablishPeer, 480 int32, /* primary_id */ 481 int32 /* secondary_id */) 482 483 // Tells the GPU process to set the size of StreamTexture from the given 484 // stream Id. 485 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_SetSize, 486 gfx::Size /* size */) 487 488 // Tells the service-side instance to start sending frame available 489 // notifications. 490 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_StartListening) 491 492 // Inform the renderer that a new frame is available. 493 IPC_MESSAGE_ROUTED0(GpuStreamTextureMsg_FrameAvailable) 494 495 // Inform the renderer process that the transform matrix has changed. 496 IPC_MESSAGE_ROUTED1(GpuStreamTextureMsg_MatrixChanged, 497 GpuStreamTextureMsg_MatrixChanged_Params /* params */) 498 #endif 499 500 //------------------------------------------------------------------------------ 501 // GPU Command Buffer Messages 502 // These are messages between a renderer process to the GPU process relating to 503 // a single OpenGL context. 504 // Initialize a command buffer with the given number of command entries. 505 // Returns the shared memory handle for the command buffer mapped to the 506 // calling process. 507 IPC_SYNC_MESSAGE_ROUTED1_2(GpuCommandBufferMsg_Initialize, 508 base::SharedMemoryHandle /* shared_state */, 509 bool /* result */, 510 gpu::Capabilities /* capabilities */) 511 512 // Sets the shared memory buffer used for commands. 513 IPC_SYNC_MESSAGE_ROUTED1_0(GpuCommandBufferMsg_SetGetBuffer, 514 int32 /* shm_id */) 515 516 // Produces the front buffer into a mailbox. This allows another context to draw 517 // the output of this context. 518 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ProduceFrontBuffer, 519 gpu::Mailbox /* mailbox */) 520 521 // Wait until the token is in a specific range, inclusive. 522 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForTokenInRange, 523 int32 /* start */, 524 int32 /* end */, 525 gpu::CommandBuffer::State /* state */) 526 527 // Wait until the get offset is in a specific range, inclusive. 528 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_WaitForGetOffsetInRange, 529 int32 /* start */, 530 int32 /* end */, 531 gpu::CommandBuffer::State /* state */) 532 533 // Asynchronously synchronize the put and get offsets of both processes. 534 // Caller passes its current put offset. Current state (including get offset) 535 // is returned in shared memory. The input latency info for the current 536 // frame is also sent to the GPU process. 537 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_AsyncFlush, 538 int32 /* put_offset */, 539 uint32 /* flush_count */, 540 std::vector<ui::LatencyInfo> /* latency_info */) 541 542 // Asynchronously process any commands known to the GPU process. This is only 543 // used in the event that a channel is unscheduled and needs to be flushed 544 // again to process any commands issued subsequent to unscheduling. The GPU 545 // process actually sends it (deferred) to itself. 546 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_Rescheduled) 547 548 // Sent by the GPU process to display messages in the console. 549 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_ConsoleMsg, 550 GPUCommandBufferConsoleMessage /* msg */) 551 552 // Register an existing shared memory transfer buffer. The id that can be 553 // used to identify the transfer buffer from a command buffer. 554 IPC_MESSAGE_ROUTED3(GpuCommandBufferMsg_RegisterTransferBuffer, 555 int32 /* id */, 556 base::SharedMemoryHandle /* transfer_buffer */, 557 uint32 /* size */) 558 559 // Destroy a previously created transfer buffer. 560 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_DestroyTransferBuffer, 561 int32 /* id */) 562 563 // Create and initialize a hardware video decoder using the specified route_id. 564 // Created decoders should be freed with AcceleratedVideoDecoderMsg_Destroy when 565 // no longer needed. 566 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateVideoDecoder, 567 media::VideoCodecProfile /* profile */, 568 int32, /* route_id */ 569 bool /* succeeded */) 570 571 // Create and initialize a hardware video encoder using the specified route_id. 572 // Created encoders should be freed with AcceleratedVideoEncoderMsg_Destroy when 573 // no longer needed. 574 IPC_SYNC_MESSAGE_ROUTED5_1(GpuCommandBufferMsg_CreateVideoEncoder, 575 media::VideoFrame::Format /* input_format */, 576 gfx::Size /* input_visible_size */, 577 media::VideoCodecProfile /* output_profile */, 578 uint32 /* initial_bitrate */, 579 int32, /* route_id */ 580 bool /* succeeded */) 581 582 // Tells the proxy that there was an error and the command buffer had to be 583 // destroyed for some reason. 584 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Destroyed, 585 gpu::error::ContextLostReason /* reason */) 586 587 // Request that the GPU process reply with the given message. Reply may be 588 // delayed. 589 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_Echo, 590 IPC::Message /* reply */) 591 592 // Response to a GpuChannelMsg_Echo message. 593 IPC_MESSAGE_ROUTED0(GpuCommandBufferMsg_EchoAck) 594 595 // Send to stub on surface visibility change. 596 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetSurfaceVisible, bool /* visible */) 597 598 // Sent to proxy when the gpu memory manager changes its memory allocation. 599 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SetMemoryAllocation, 600 gpu::MemoryAllocation /* allocation */) 601 602 // Sent to stub when proxy is assigned a memory allocation changed callback. 603 IPC_MESSAGE_ROUTED1( 604 GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback, 605 bool /* has_callback */) 606 607 // Inserts a sync point into the channel. This is handled on the IO thread, so 608 // can be expected to be reasonably fast, but the sync point is actually 609 // retired in order with respect to the other calls. The sync point is shared 610 // across channels. 611 IPC_SYNC_MESSAGE_ROUTED1_1(GpuCommandBufferMsg_InsertSyncPoint, 612 bool /* retire */, 613 uint32 /* sync_point */) 614 615 // Retires the sync point. Note: this message is not sent explicitly by the 616 // renderer, but is synthesized by the GPU process. 617 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_RetireSyncPoint, 618 uint32 /* sync_point */) 619 620 // Makes this command buffer signal when a sync point is reached, by sending 621 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same 622 // signal_id. 623 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalSyncPoint, 624 uint32 /* sync_point */, 625 uint32 /* signal_id */) 626 627 // Response to GpuCommandBufferMsg_SignalSyncPoint. 628 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_SignalSyncPointAck, 629 uint32 /* signal_id */) 630 631 // Makes this command buffer signal when a query is reached, by sending 632 // back a GpuCommandBufferMsg_SignalSyncPointAck message with the same 633 // signal_id. 634 IPC_MESSAGE_ROUTED2(GpuCommandBufferMsg_SignalQuery, 635 uint32 /* query */, 636 uint32 /* signal_id */) 637 638 // Register an existing gpu memory buffer. The id that can be 639 // used to identify the gpu memory buffer from a command buffer. 640 IPC_MESSAGE_ROUTED5(GpuCommandBufferMsg_RegisterGpuMemoryBuffer, 641 int32 /* id */, 642 gfx::GpuMemoryBufferHandle /* gpu_memory_buffer */, 643 uint32 /* width */, 644 uint32 /* height */, 645 uint32 /* internalformat */) 646 647 // Unregister a previously registered gpu memory buffer. 648 IPC_MESSAGE_ROUTED1(GpuCommandBufferMsg_UnregisterGpuMemoryBuffer, 649 int32 /* id */) 650 651 // Attaches an external image stream to the client texture. 652 IPC_SYNC_MESSAGE_ROUTED2_1(GpuCommandBufferMsg_CreateStreamTexture, 653 uint32, /* client_texture_id */ 654 int32, /* stream_id */ 655 bool /* succeeded */) 656 657 //------------------------------------------------------------------------------ 658 // Accelerated Video Decoder Messages 659 // These messages are sent from Renderer process to GPU process. 660 661 // Send input buffer for decoding. 662 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderMsg_Decode, 663 base::SharedMemoryHandle, /* input_buffer_handle */ 664 int32, /* bitstream_buffer_id */ 665 uint32) /* size */ 666 667 // Sent from Renderer process to the GPU process to give the texture IDs for 668 // the textures the decoder will use for output. 669 IPC_MESSAGE_ROUTED2(AcceleratedVideoDecoderMsg_AssignPictureBuffers, 670 std::vector<int32>, /* Picture buffer ID */ 671 std::vector<uint32>) /* Texture ID */ 672 673 // Send from Renderer process to the GPU process to recycle the given picture 674 // buffer for further decoding. 675 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderMsg_ReusePictureBuffer, 676 int32) /* Picture buffer ID */ 677 678 // Send flush request to the decoder. 679 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Flush) 680 681 // Send reset request to the decoder. 682 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Reset) 683 684 // Send destroy request to the decoder. 685 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderMsg_Destroy) 686 687 //------------------------------------------------------------------------------ 688 // Accelerated Video Decoder Host Messages 689 // These messages are sent from GPU process to Renderer process. 690 // Inform AcceleratedVideoDecoderHost that AcceleratedVideoDecoder has been 691 // created. 692 693 // Accelerated video decoder has consumed input buffer from transfer buffer. 694 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_BitstreamBufferProcessed, 695 int32) /* Processed buffer ID */ 696 697 // Allocate video frames for output of the hardware video decoder. 698 IPC_MESSAGE_ROUTED3( 699 AcceleratedVideoDecoderHostMsg_ProvidePictureBuffers, 700 int32, /* Number of video frames to generate */ 701 gfx::Size, /* Requested size of buffer */ 702 uint32 ) /* Texture target */ 703 704 // Decoder reports that a picture is ready and buffer does not need to be passed 705 // back to the decoder. 706 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_DismissPictureBuffer, 707 int32) /* Picture buffer ID */ 708 709 // Decoder reports that a picture is ready. 710 IPC_MESSAGE_ROUTED3(AcceleratedVideoDecoderHostMsg_PictureReady, 711 int32, /* Picture buffer ID */ 712 int32, /* Bitstream buffer ID */ 713 gfx::Rect) /* Visible rectangle */ 714 715 // Confirm decoder has been flushed. 716 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_FlushDone) 717 718 // Confirm decoder has been reset. 719 IPC_MESSAGE_ROUTED0(AcceleratedVideoDecoderHostMsg_ResetDone) 720 721 // Video decoder has encountered an error. 722 IPC_MESSAGE_ROUTED1(AcceleratedVideoDecoderHostMsg_ErrorNotification, 723 uint32) /* Error ID */ 724 725 //------------------------------------------------------------------------------ 726 // Accelerated Video Encoder Messages 727 // These messages are sent from the Renderer process to GPU process. 728 729 // Queue a input buffer to the encoder to encode. |frame_id| will be returned by 730 // AcceleratedVideoEncoderHostMsg_NotifyEncodeDone. 731 IPC_MESSAGE_ROUTED4(AcceleratedVideoEncoderMsg_Encode, 732 int32 /* frame_id */, 733 base::SharedMemoryHandle /* buffer_handle */, 734 uint32 /* buffer_size */, 735 bool /* force_keyframe */) 736 737 // Queue a buffer to the encoder for use in returning output. |buffer_id| will 738 // be returned by AcceleratedVideoEncoderHostMsg_BitstreamBufferReady. 739 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderMsg_UseOutputBitstreamBuffer, 740 int32 /* buffer_id */, 741 base::SharedMemoryHandle /* buffer_handle */, 742 uint32 /* buffer_size */) 743 744 // Request a runtime encoding parameter change. 745 IPC_MESSAGE_ROUTED2(AcceleratedVideoEncoderMsg_RequestEncodingParametersChange, 746 uint32 /* bitrate */, 747 uint32 /* framerate */) 748 749 //------------------------------------------------------------------------------ 750 // Accelerated Video Encoder Host Messages 751 // These messages are sent from GPU process to Renderer process. 752 753 // Notify renderer of the input/output buffer requirements of the encoder. 754 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_RequireBitstreamBuffers, 755 uint32 /* input_count */, 756 gfx::Size /* input_coded_size */, 757 uint32 /* output_buffer_size */) 758 759 // Notify the renderer that the encoder has finished using an input buffer. 760 // There is no congruent entry point in the media::VideoEncodeAccelerator 761 // interface, in VEA this same done condition is indicated by dropping the 762 // reference to the media::VideoFrame passed to VEA::Encode(). 763 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyInputDone, 764 int32 /* frame_id */) 765 766 // Notify the renderer that an output buffer has been filled with encoded data. 767 IPC_MESSAGE_ROUTED3(AcceleratedVideoEncoderHostMsg_BitstreamBufferReady, 768 int32 /* bitstream_buffer_id */, 769 uint32 /* payload_size */, 770 bool /* key_frame */) 771 772 // Report error condition. 773 IPC_MESSAGE_ROUTED1(AcceleratedVideoEncoderHostMsg_NotifyError, 774 media::VideoEncodeAccelerator::Error /* error */) 775 776 // Send destroy request to the encoder. 777 IPC_MESSAGE_ROUTED0(AcceleratedVideoEncoderMsg_Destroy) 778