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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WEBGPU_PARENT_H_
#define WEBGPU_PARENT_H_
#include "mozilla/webgpu/PWebGPUParent.h"
#include "mozilla/webrender/WebRenderAPI.h"
#include "WebGPUTypes.h"
#include "base/timer.h"
namespace mozilla {
namespace webgpu {
class PresentationData;
class WebGPUParent final : public PWebGPUParent {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebGPUParent)
public:
explicit WebGPUParent();
ipc::IPCResult RecvInstanceRequestAdapter(
const dom::GPURequestAdapterOptions& aOptions,
const nsTArray<RawId>& aTargetIds,
InstanceRequestAdapterResolver&& resolver);
ipc::IPCResult RecvAdapterRequestDevice(RawId aSelfId,
const dom::GPUDeviceDescriptor& aDesc,
RawId aNewId);
ipc::IPCResult RecvAdapterDestroy(RawId aSelfId);
ipc::IPCResult RecvDeviceDestroy(RawId aSelfId);
ipc::IPCResult RecvBufferReturnShmem(RawId aSelfId, Shmem&& aShmem);
ipc::IPCResult RecvBufferMap(RawId aSelfId, ffi::WGPUHostMap aHostMap,
uint64_t aOffset, uint64_t size,
BufferMapResolver&& aResolver);
ipc::IPCResult RecvBufferUnmap(RawId aSelfId, Shmem&& aShmem, bool aFlush);
ipc::IPCResult RecvBufferDestroy(RawId aSelfId);
ipc::IPCResult RecvTextureDestroy(RawId aSelfId);
ipc::IPCResult RecvTextureViewDestroy(RawId aSelfId);
ipc::IPCResult RecvSamplerDestroy(RawId aSelfId);
ipc::IPCResult RecvCommandEncoderFinish(
RawId aSelfId, RawId aDeviceId,
const dom::GPUCommandBufferDescriptor& aDesc);
ipc::IPCResult RecvCommandEncoderDestroy(RawId aSelfId);
ipc::IPCResult RecvCommandBufferDestroy(RawId aSelfId);
ipc::IPCResult RecvQueueSubmit(RawId aSelfId,
const nsTArray<RawId>& aCommandBuffers);
ipc::IPCResult RecvQueueWriteBuffer(RawId aSelfId, RawId aBufferId,
uint64_t aBufferOffset, Shmem&& aShmem);
ipc::IPCResult RecvQueueWriteTexture(
RawId aSelfId, const ffi::WGPUTextureCopyView& aDestination,
Shmem&& aShmem, const ffi::WGPUTextureDataLayout& aDataLayout,
const ffi::WGPUExtent3d& aExtent);
ipc::IPCResult RecvBindGroupLayoutDestroy(RawId aSelfId);
ipc::IPCResult RecvPipelineLayoutDestroy(RawId aSelfId);
ipc::IPCResult RecvBindGroupDestroy(RawId aSelfId);
ipc::IPCResult RecvShaderModuleDestroy(RawId aSelfId);
ipc::IPCResult RecvComputePipelineDestroy(RawId aSelfId);
ipc::IPCResult RecvRenderPipelineDestroy(RawId aSelfId);
ipc::IPCResult RecvDeviceCreateSwapChain(RawId aSelfId, RawId aQueueId,
const layers::RGBDescriptor& aDesc,
const nsTArray<RawId>& aBufferIds,
ExternalImageId aExternalId);
ipc::IPCResult RecvSwapChainPresent(wr::ExternalImageId aExternalId,
RawId aTextureId,
RawId aCommandEncoderId);
ipc::IPCResult RecvSwapChainDestroy(wr::ExternalImageId aExternalId);
ipc::IPCResult RecvDeviceAction(RawId aSelf, const ipc::ByteBuf& aByteBuf);
ipc::IPCResult RecvTextureAction(RawId aSelf, RawId aDevice,
const ipc::ByteBuf& aByteBuf);
ipc::IPCResult RecvCommandEncoderAction(RawId aSelf, RawId aDevice,
const ipc::ByteBuf& aByteBuf);
ipc::IPCResult RecvBumpImplicitBindGroupLayout(RawId aPipelineId,
bool aIsCompute,
uint32_t aIndex,
RawId aAssignId);
ipc::IPCResult RecvShutdown();
private:
virtual ~WebGPUParent();
void MaintainDevices();
const ffi::WGPUGlobal* const mContext;
base::RepeatingTimer<WebGPUParent> mTimer;
/// Shmem associated with a mappable buffer has to be owned by one of the
/// processes. We keep it here for every mappable buffer while the buffer is
/// used by GPU.
std::unordered_map<uint64_t, Shmem> mSharedMemoryMap;
/// Associated presentation data for each swapchain.
std::unordered_map<uint64_t, RefPtr<PresentationData>> mCanvasMap;
};
} // namespace webgpu
} // namespace mozilla
#endif // WEBGPU_PARENT_H_
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