forked from mirrors/gecko-dev
		
	 3021defc28
			
		
	
	
		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
		
			
				
	
	
		
			53 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
	
		
			1.2 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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| 
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| #ifndef GPU_Adapter_H_
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| #define GPU_Adapter_H_
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| 
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| #include "mozilla/AlreadyAddRefed.h"
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| #include "mozilla/webgpu/WebGPUTypes.h"
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| #include "nsString.h"
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| #include "ObjectModel.h"
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| 
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| namespace mozilla {
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| namespace dom {
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| class Promise;
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| struct GPUDeviceDescriptor;
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| struct GPUExtensions;
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| struct GPUFeatures;
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| }  // namespace dom
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| 
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| namespace webgpu {
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| class Device;
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| class Instance;
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| class WebGPUChild;
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| 
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| class Adapter final : public ObjectBase, public ChildOf<Instance> {
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|  public:
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|   GPU_DECL_CYCLE_COLLECTION(Adapter)
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|   GPU_DECL_JS_WRAP(Adapter)
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| 
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|   RefPtr<WebGPUChild> mBridge;
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| 
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|  private:
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|   Adapter() = delete;
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|   ~Adapter();
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|   void Cleanup();
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| 
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|   const RawId mId;
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|   const nsString mName;
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| 
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|  public:
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|   explicit Adapter(Instance* const aParent, RawId aId);
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|   void GetName(nsString& out) const { out = mName; }
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| 
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|   already_AddRefed<dom::Promise> RequestDevice(
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|       const dom::GPUDeviceDescriptor& aDesc, ErrorResult& aRv);
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| };
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| 
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| }  // namespace webgpu
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| }  // namespace mozilla
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| 
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| #endif  // GPU_Adapter_H_
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