Nikita Tsukanov
6 years ago
9 changed files with 197 additions and 213 deletions
@ -0,0 +1,12 @@ |
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@protocol IRenderTarget |
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-(void) setNewLayer: (CALayer*) layer; |
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-(HRESULT) setSwFrame: (AvnFramebuffer*) fb; |
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-(void) resize: (AvnPixelSize) size withScale: (float) scale; |
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-(AvnPixelSize) pixelSize; |
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@end |
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@interface IOSurfaceRenderTarget : NSObject<IRenderTarget> |
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-(IOSurfaceRenderTarget*) init; |
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@end |
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@ -0,0 +1,105 @@ |
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#include "common.h" |
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#include "rendertarget.h" |
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#import <IOSurface/IOSurface.h> |
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#import <IOSurface/IOSurfaceObjC.h> |
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@implementation IOSurfaceRenderTarget |
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{ |
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CALayer* _layer; |
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IOSurfaceRef _surface; |
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AvnPixelSize _size; |
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float _scale; |
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NSObject* _lock; |
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} |
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- (IOSurfaceRenderTarget*) init |
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{ |
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self = [super init]; |
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_lock = [NSObject new]; |
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_surface = nil; |
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[self resize:{1,1} withScale: 1]; |
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return self; |
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} |
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- (AvnPixelSize) pixelSize { |
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return {1, 1}; |
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} |
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- (CALayer *)layer { |
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return _layer; |
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} |
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- (void)resize:(AvnPixelSize)size withScale: (float) scale;{ |
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@synchronized (_lock) { |
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if(_surface != nil) |
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{ |
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IOSurfaceDecrementUseCount(_surface); |
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_surface = nil; |
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} |
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NSDictionary* options = @{ |
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(id)kIOSurfaceWidth: @(size.Width), |
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(id)kIOSurfaceHeight: @(size.Height), |
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(id)kIOSurfacePixelFormat: @((uint)'BGRA'), |
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(id)kIOSurfaceBytesPerElement: @(4), |
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//(id)kIOSurfaceBytesPerRow: @(bytesPerRow), |
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//(id)kIOSurfaceAllocSize: @(m_totalBytes), |
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//(id)kIOSurfaceCacheMode: @(kIOMapWriteCombineCache), |
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(id)kIOSurfaceElementWidth: @(1), |
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(id)kIOSurfaceElementHeight: @(1) |
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}; |
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_surface = IOSurfaceCreate((CFDictionaryRef)options); |
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_scale = scale; |
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_size = size; |
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} |
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} |
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- (void)updateLayer { |
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if ([NSThread isMainThread]) |
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{ |
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@synchronized (_lock) { |
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if(_layer == nil) |
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return; |
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[_layer setContentsScale: _scale]; |
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[_layer setContents: nil]; |
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[_layer setContents: (__bridge IOSurface* )_surface]; |
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} |
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} |
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else |
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dispatch_async(dispatch_get_main_queue(), ^{ |
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[self updateLayer]; |
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}); |
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} |
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- (void) setNewLayer:(CALayer *)layer { |
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_layer = layer; |
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[self updateLayer]; |
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} |
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- (HRESULT)setSwFrame:(AvnFramebuffer *)fb { |
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@synchronized (_lock) { |
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if(fb->PixelFormat == AvnPixelFormat::kAvnRgb565) |
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return E_INVALIDARG; |
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if(IOSurfaceLock(_surface, 0, nil)) |
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return E_FAIL; |
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size_t w = MIN(fb->Width, IOSurfaceGetWidth(_surface)); |
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size_t h = MIN(fb->Height, IOSurfaceGetHeight(_surface)); |
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size_t wbytes = w*4; |
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size_t sstride = IOSurfaceGetBytesPerRow(_surface); |
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size_t fstride = fb->Stride; |
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char*pSurface = (char*)IOSurfaceGetBaseAddress(_surface); |
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char*pFb = (char*)fb->Data; |
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for(size_t y = 0; y<h; y++) |
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{ |
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//memset(pSurface+y*sstride, 128, wbytes); |
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memcpy(pSurface + y*sstride, pFb+y*fstride, wbytes); |
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} |
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IOSurfaceUnlock(_surface, 0, nil); |
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[self updateLayer]; |
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return S_OK; |
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} |
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} |
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@end |
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@ -1,42 +0,0 @@ |
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// Copyright (c) The Avalonia Project. All rights reserved.
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// Licensed under the MIT license. See licence.md file in the project root for full license information.
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using System; |
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using System.Threading; |
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using Avalonia.Native.Interop; |
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using Avalonia.Rendering; |
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namespace Avalonia.Native |
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{ |
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public class AvaloniaNativeDeferredRendererLock : IDeferredRendererLock |
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{ |
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private readonly IAvnWindowBase _window; |
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public AvaloniaNativeDeferredRendererLock(IAvnWindowBase window) |
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{ |
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_window = window; |
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} |
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public IDisposable TryLock() |
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{ |
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if (_window.TryLock()) |
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return new UnlockDisposable(_window); |
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return null; |
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} |
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private sealed class UnlockDisposable : IDisposable |
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{ |
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private IAvnWindowBase _window; |
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public UnlockDisposable(IAvnWindowBase window) |
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{ |
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_window = window; |
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} |
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public void Dispose() |
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{ |
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Interlocked.Exchange(ref _window, null)?.Unlock(); |
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} |
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} |
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} |
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} |
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