forked from mirrors/gecko-dev
3021defc28
This change adds support for CanvasContext presenting WebGPU via CPU readback. The presentation is handled mostly on GPU process side by managing a list of staging buffers and copying the contents into a WR external image (backed by an external buffer). Differential Revision: https://phabricator.services.mozilla.com/D68032 --HG-- extra : moz-landing-system : lando
69 lines
2 KiB
C++
69 lines
2 KiB
C++
/* -*- 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 GPU_CommandEncoder_H_
|
|
#define GPU_CommandEncoder_H_
|
|
|
|
#include "mozilla/dom/TypedArray.h"
|
|
#include "mozilla/webgpu/WebGPUTypes.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "ObjectModel.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
template <typename T>
|
|
class Sequence;
|
|
class GPUComputePipelineOrGPURenderPipeline;
|
|
class UnsignedLongSequenceOrGPUExtent3DDict;
|
|
struct GPUBufferCopyView;
|
|
struct GPUCommandBufferDescriptor;
|
|
struct GPUImageBitmapCopyView;
|
|
struct GPURenderPassDescriptor;
|
|
struct GPUTextureCopyView;
|
|
} // namespace dom
|
|
namespace webgpu {
|
|
|
|
class BindGroup;
|
|
class Buffer;
|
|
class CommandBuffer;
|
|
class ComputePassEncoder;
|
|
class Device;
|
|
class RenderPassEncoder;
|
|
|
|
class CommandEncoder final : public ObjectBase, public ChildOf<Device> {
|
|
public:
|
|
GPU_DECL_CYCLE_COLLECTION(CommandEncoder)
|
|
GPU_DECL_JS_WRAP(CommandEncoder)
|
|
|
|
CommandEncoder(Device* const aParent, WebGPUChild* const aBridge, RawId aId);
|
|
|
|
const RawId mId;
|
|
|
|
private:
|
|
~CommandEncoder();
|
|
void Cleanup();
|
|
|
|
RefPtr<WebGPUChild> mBridge;
|
|
|
|
public:
|
|
void EndComputePass(Span<const uint8_t> aData, ErrorResult& aRv);
|
|
void EndRenderPass(Span<const uint8_t> aData, ErrorResult& aRv);
|
|
|
|
void CopyBufferToBuffer(const Buffer& aSource, BufferAddress aSourceOffset,
|
|
const Buffer& aDestination,
|
|
BufferAddress aDestinationOffset,
|
|
BufferAddress aSize);
|
|
already_AddRefed<ComputePassEncoder> BeginComputePass(
|
|
const dom::GPUComputePassDescriptor& aDesc);
|
|
already_AddRefed<RenderPassEncoder> BeginRenderPass(
|
|
const dom::GPURenderPassDescriptor& aDesc);
|
|
already_AddRefed<CommandBuffer> Finish(
|
|
const dom::GPUCommandBufferDescriptor& aDesc);
|
|
};
|
|
|
|
} // namespace webgpu
|
|
} // namespace mozilla
|
|
|
|
#endif // GPU_CommandEncoder_H_
|