96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GPU_INSTANCE_H_
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#define GPU_INSTANCE_H_
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/WebGPUBinding.h"
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#include "mozilla/layers/BuildConstants.h"
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#include "nsCOMPtr.h"
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#include "ObjectModel.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class Promise;
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struct GPURequestAdapterOptions;
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} // namespace dom
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namespace webgpu {
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class Adapter;
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class GPUAdapter;
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class Instance;
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class WebGPUChild;
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class WGSLLanguageFeatures final : public nsWrapperCache,
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public ChildOf<Instance> {
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public:
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GPU_DECL_CYCLE_COLLECTION(WGSLLanguageFeatures)
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public:
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explicit WGSLLanguageFeatures(Instance* const aParent) : ChildOf(aParent) {}
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void Add(const nsAString& feature, ErrorResult& aRv) {
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dom::WGSLLanguageFeatures_Binding::SetlikeHelpers::Add(this, feature, aRv);
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}
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private:
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void Cleanup() {}
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protected:
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~WGSLLanguageFeatures() { Cleanup(); };
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public:
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JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override {
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return dom::WGSLLanguageFeatures_Binding::Wrap(aCx, this, aGivenProto);
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}
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};
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class Instance final : public nsWrapperCache {
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public:
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GPU_DECL_CYCLE_COLLECTION(Instance)
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GPU_DECL_JS_WRAP(Instance)
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nsIGlobalObject* GetParentObject() const { return mOwner; }
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static bool PrefEnabled(JSContext* aCx, JSObject* aObj);
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static already_AddRefed<Instance> Create(nsIGlobalObject* aOwner);
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already_AddRefed<dom::Promise> RequestAdapter(
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const dom::GPURequestAdapterOptions& aOptions, ErrorResult& aRv);
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dom::GPUTextureFormat GetPreferredCanvasFormat() const {
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// Changing implementation in a way that increases fingerprinting surface?
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// Please create a bug in [Core::Privacy: Anti
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// Tracking](https://bugzilla.mozilla.org/enter_bug.cgi?product=Core&component=Privacy%3A%20Anti-Tracking)
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if (kIsAndroid) {
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return dom::GPUTextureFormat::Rgba8unorm;
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}
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return dom::GPUTextureFormat::Bgra8unorm;
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};
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private:
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explicit Instance(nsIGlobalObject* aOwner);
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virtual ~Instance();
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void Cleanup();
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nsCOMPtr<nsIGlobalObject> mOwner;
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RefPtr<WGSLLanguageFeatures> mWgslLanguageFeatures;
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public:
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already_AddRefed<WGSLLanguageFeatures> WgslLanguageFeatures() const {
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RefPtr<WGSLLanguageFeatures> features = mWgslLanguageFeatures;
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return features.forget();
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}
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};
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} // namespace webgpu
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} // namespace mozilla
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#endif // GPU_INSTANCE_H_
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