| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_DECODER_CLIENT_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_DECODER_CLIENT_H_ |
| |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/containers/span.h" |
| #include "gpu/gpu_export.h" |
| #include "ui/gl/gpu_preference.h" |
| #include "url/gurl.h" |
| |
| namespace gpu { |
| |
| class GPU_EXPORT DecoderClient { |
| public: |
| virtual ~DecoderClient() = default; |
| |
| // Prints a message (error/warning) to the console. |
| virtual void OnConsoleMessage(int32_t id, const std::string& message) = 0; |
| |
| // Notifies the renderer process that the active GPU changed. |
| virtual void OnGpuSwitched(gl::GpuPreference active_gpu_heuristic) {} |
| |
| // Cache a newly linked shader. |
| virtual void CacheShader(const std::string& key, |
| const std::string& shader) = 0; |
| |
| // Called when the decoder releases a fence sync. Allows the client to |
| // reschedule waiting decoders. |
| virtual void OnFenceSyncRelease(uint64_t release) = 0; |
| |
| // Called when the decoder needs to be descheduled while waiting for a fence |
| // completion. The client is responsible for descheduling the command buffer |
| // before returning, and then calling PerformPollingWork periodically to test |
| // for the fence completion and possibly reschedule. |
| virtual void OnDescheduleUntilFinished() = 0; |
| |
| // Called from PerformPollingWork when the decoder needs to be rescheduled |
| // because the fence completed. |
| virtual void OnRescheduleAfterFinished() = 0; |
| |
| // Called when SwapBuffers, PostSubBufferCHROMIUM, |
| // SwapBuffersWithBoundsCHROMIUM or CommitOverlayPlanesCHROMIUM is called. |
| virtual void OnSwapBuffers(uint64_t swap_id, uint32_t flags) = 0; |
| |
| // Notifies the client that the shared GrContext may have been used by this |
| // decoder and its GPU memory should be cleaned up. |
| virtual void ScheduleGrContextCleanup() = 0; |
| |
| virtual void SetActiveURL(GURL url) {} |
| |
| // Called by the decoder to pass a variable-size block of data to the client. |
| virtual void HandleReturnData(base::span<const uint8_t> data) = 0; |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_DECODER_CLIENT_H_ |