Device.h - mozsearch

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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 GPU_DEVICE_H_

#define GPU_DEVICE_H_

#include "ObjectModel.h"

#include "nsTHashSet.h"

#include "mozilla/MozPromise.h"

#include "mozilla/RefPtr.h"

#include "mozilla/WeakPtr.h"

#include "mozilla/webgpu/WebGPUTypes.h"

#include "mozilla/webgpu/PWebGPUTypes.h"

#include "mozilla/webrender/WebRenderAPI.h"

#include "mozilla/DOMEventTargetHelper.h"

namespace mozilla {

namespace dom {

struct GPUExtensions;

struct GPUFeatures;

struct GPULimits;

struct GPUExtent3DDict;

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;

struct GPUCanvasConfiguration;

class EventHandlerNonNull;

class Promise;

template <typename T>

class Sequence;

class GPUBufferOrGPUTexture;

enum class GPUDeviceLostReason : uint8_t;

enum class GPUErrorFilter : uint8_t;

enum class GPUFeatureName : uint8_t;

class GPULogCallback;

}  // namespace dom

namespace ipc {

enum class ResponseRejectReason;

}  // namespace ipc

namespace webgpu {

namespace ffi {

struct WGPULimits;

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 SupportedFeatures;

class SupportedLimits;

class Texture;

class WebGPUChild;

using MappingPromise =

    MozPromise<BufferMapResult, ipc::ResponseRejectReason, true>;

class Device final : public DOMEventTargetHelper, public SupportsWeakPtr {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Device, DOMEventTargetHelper)

  GPU_DECL_JS_WRAP(Device)

  const RawId mId;

  RefPtr<SupportedFeatures> mFeatures;

  RefPtr<SupportedLimits> mLimits;

  static CheckedInt<uint32_t> BufferStrideWithMask(

      const gfx::IntSize& aSize, const gfx::SurfaceFormat& aFormat);

  explicit Device(Adapter* const aParent, RawId aId, const ffi::WGPULimits&);

  RefPtr<WebGPUChild> GetBridge();

  already_AddRefed<Texture> InitSwapChain(

      const dom::GPUCanvasConfiguration* const aConfig,

      const layers::RemoteTextureOwnerId aOwnerId,

      bool aUseExternalTextureInSwapChain, gfx::SurfaceFormat aFormat,

      gfx::IntSize aCanvasSize);

  bool CheckNewWarning(const nsACString& aMessage);

  void CleanupUnregisteredInParent();

  void GenerateValidationError(const nsCString& aMessage);

  void TrackBuffer(Buffer* aBuffer);

  void UntrackBuffer(Buffer* aBuffer);

  bool IsLost() const;

  bool IsBridgeAlive() const;

  RawId GetId() const { return mId; }

 private:

  ~Device();

  void Cleanup();

  RefPtr<WebGPUChild> mBridge;

  bool mValid = true;

  nsString mLabel;

  RefPtr<dom::Promise> mLostPromise;

  RefPtr<Queue> mQueue;

  nsTHashSet<nsCString> mKnownWarnings;

  nsTHashSet<Buffer*> mTrackedBuffers;

 public:

  void GetLabel(nsAString& aValue) const;

  void SetLabel(const nsAString& aLabel);

  dom::Promise* GetLost(ErrorResult& aRv);

  void ResolveLost(Maybe<dom::GPUDeviceLostReason> aReason,

                   const nsAString& aMessage);

  const RefPtr<SupportedFeatures>& Features() const { return mFeatures; }

  const RefPtr<SupportedLimits>& Limits() const { return mLimits; }

  const RefPtr<Queue>& GetQueue() const { return mQueue; }

  already_AddRefed<Buffer> CreateBuffer(const dom::GPUBufferDescriptor& aDesc,

                                        ErrorResult& aRv);

  already_AddRefed<Texture> CreateTextureForSwapChain(

      const dom::GPUCanvasConfiguration* const aConfig,

      const gfx::IntSize& aCanvasSize,

      const layers::RemoteTextureOwnerId aOwnerId);

  already_AddRefed<Texture> CreateTexture(

      const dom::GPUTextureDescriptor& aDesc);

  already_AddRefed<Texture> CreateTexture(

      const dom::GPUTextureDescriptor& aDesc,

      Maybe<layers::RemoteTextureOwnerId> aOwnerId);

  already_AddRefed<Sampler> CreateSampler(

      const dom::GPUSamplerDescriptor& aDesc);

  already_AddRefed<CommandEncoder> CreateCommandEncoder(

      const dom::GPUCommandEncoderDescriptor& aDesc);

  already_AddRefed<RenderBundleEncoder> CreateRenderBundleEncoder(

      const dom::GPURenderBundleEncoderDescriptor& aDesc);

  already_AddRefed<BindGroupLayout> CreateBindGroupLayout(

      const dom::GPUBindGroupLayoutDescriptor& aDesc);

  already_AddRefed<PipelineLayout> CreatePipelineLayout(

      const dom::GPUPipelineLayoutDescriptor& aDesc);

  already_AddRefed<BindGroup> CreateBindGroup(

      const dom::GPUBindGroupDescriptor& aDesc);

  MOZ_CAN_RUN_SCRIPT already_AddRefed<ShaderModule> CreateShaderModule(

      JSContext* aCx, const dom::GPUShaderModuleDescriptor& aDesc,

      ErrorResult& aRv);

  already_AddRefed<ComputePipeline> CreateComputePipeline(

      const dom::GPUComputePipelineDescriptor& aDesc);

  already_AddRefed<RenderPipeline> CreateRenderPipeline(

      const dom::GPURenderPipelineDescriptor& aDesc);

  already_AddRefed<dom::Promise> CreateComputePipelineAsync(

      const dom::GPUComputePipelineDescriptor& aDesc, ErrorResult& aRv);

  already_AddRefed<dom::Promise> CreateRenderPipelineAsync(

      const dom::GPURenderPipelineDescriptor& aDesc, ErrorResult& aRv);

  void PushErrorScope(const dom::GPUErrorFilter& aFilter);

  already_AddRefed<dom::Promise> PopErrorScope(ErrorResult& aRv);

  void Destroy();

  IMPL_EVENT_HANDLER(uncapturederror)

};

}  // namespace webgpu

}  // namespace mozilla

#endif  // GPU_DEVICE_H_