gecko-dev/dom/webgpu/Device.h

106 строки
2.9 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_DEVICE_H_
#define GPU_DEVICE_H_
#include "mozilla/MozPromise.h"
#include "mozilla/RefPtr.h"
#include "mozilla/webgpu/WebGPUTypes.h"
#include "mozilla/DOMEventTargetHelper.h"
namespace mozilla {
namespace dom {
struct GPUExtensions;
struct GPUFeatures;
struct GPULimits;
struct GPUBufferDescriptor;
struct GPUTextureDescriptor;
struct GPUSamplerDescriptor;
struct GPUBindGroupLayoutDescriptor;
struct GPUPipelineLayoutDescriptor;
struct GPUBindGroupDescriptor;
struct GPUBlendStateDescriptor;
struct GPUDepthStencilStateDescriptor;
struct GPUInputStateDescriptor;
struct GPUShaderModuleDescriptor;
struct GPUAttachmentStateDescriptor;
struct GPUComputePipelineDescriptor;
struct GPURenderBundleEncoderDescriptor;
struct GPURenderPipelineDescriptor;
struct GPUCommandEncoderDescriptor;
class EventHandlerNonNull;
class Promise;
template <typename T>
class Sequence;
class GPUBufferOrGPUTexture;
enum class GPUErrorFilter : uint8_t;
class GPULogCallback;
} // namespace dom
namespace ipc {
enum class ResponseRejectReason;
class Shmem;
} // namespace ipc
namespace webgpu {
class Adapter;
class BindGroup;
class BindGroupLayout;
class Buffer;
class CommandEncoder;
class ComputePipeline;
class Fence;
class InputState;
class PipelineLayout;
class Queue;
class RenderBundleEncoder;
class RenderPipeline;
class Sampler;
class ShaderModule;
class Texture;
class WebGPUChild;
typedef MozPromise<ipc::Shmem, ipc::ResponseRejectReason, true> MappingPromise;
class Device final : public DOMEventTargetHelper {
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Device, DOMEventTargetHelper)
GPU_DECL_JS_WRAP(Device)
explicit Device(Adapter* const aParent, RawId aId);
static JSObject* CreateExternalArrayBuffer(JSContext* aCx, size_t aSize,
ipc::Shmem& aShmem);
RefPtr<MappingPromise> MapBufferForReadAsync(RawId aId, size_t aSize,
ErrorResult& aRv);
void UnmapBuffer(RawId aId, UniquePtr<ipc::Shmem> aShmem);
void DestroyBuffer(RawId aId);
private:
Device() = delete;
virtual ~Device();
const RefPtr<WebGPUChild> mBridge;
const RawId mId;
nsString mLabel;
public:
void GetLabel(nsAString& aValue) const;
void SetLabel(const nsAString& aLabel);
already_AddRefed<Buffer> CreateBuffer(const dom::GPUBufferDescriptor& aDesc);
void CreateBufferMapped(JSContext* aCx, const dom::GPUBufferDescriptor& aDesc,
nsTArray<JS::Value>& aSequence, ErrorResult& aRv);
// IMPL_EVENT_HANDLER(uncapturederror)
};
} // namespace webgpu
} // namespace mozilla
#endif // GPU_DEVICE_H_