diff --git a/src/Skia/Avalonia.Skia/DrawingContextImpl.cs b/src/Skia/Avalonia.Skia/DrawingContextImpl.cs index cbc896813f..dac284ce1a 100644 --- a/src/Skia/Avalonia.Skia/DrawingContextImpl.cs +++ b/src/Skia/Avalonia.Skia/DrawingContextImpl.cs @@ -36,6 +36,7 @@ namespace Avalonia.Skia private readonly SKPaint _fillPaint = new SKPaint(); private readonly SKPaint _boxShadowPaint = new SKPaint(); private static SKShader s_acrylicNoiseShader; + private readonly GRSurfaceOrigin _surfaceOrigin; /// /// Context create info. @@ -76,6 +77,8 @@ namespace Avalonia.Skia /// Skia GPU provider context (optional) /// public ISkiaGpu Gpu; + + public ISkiaGpuRenderSession CurrentSession; } /// @@ -96,6 +99,8 @@ namespace Avalonia.Skia Surface = createInfo.Surface; Canvas = createInfo.Canvas ?? createInfo.Surface?.Canvas; + _surfaceOrigin = createInfo.CurrentSession?.SurfaceOrigin ?? GRSurfaceOrigin.TopLeft; + if (Canvas == null) { throw new ArgumentException("Invalid create info - no Canvas provided", nameof(createInfo)); @@ -972,7 +977,7 @@ namespace Avalonia.Skia Gpu = _gpu }; - return new SurfaceRenderTarget(createInfo); + return new SurfaceRenderTarget(createInfo, _surfaceOrigin); } /// diff --git a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs index 869c261f1b..7442f90ecf 100644 --- a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs +++ b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpu.cs @@ -21,7 +21,7 @@ namespace Avalonia.Skia /// Creates an offscreen render target surface /// /// size in pixels - ISkiaSurface TryCreateSurface(PixelSize size); + ISkiaSurface TryCreateSurface(PixelSize size, GRSurfaceOrigin surfaceOrigin); } public interface ISkiaSurface : IDisposable diff --git a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpuRenderSession.cs b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpuRenderSession.cs index a4e2bfed52..5faa6a41ec 100644 --- a/src/Skia/Avalonia.Skia/Gpu/ISkiaGpuRenderSession.cs +++ b/src/Skia/Avalonia.Skia/Gpu/ISkiaGpuRenderSession.cs @@ -22,5 +22,7 @@ namespace Avalonia.Skia /// Scaling factor. /// double ScaleFactor { get; } + + GRSurfaceOrigin SurfaceOrigin { get; } } } diff --git a/src/Skia/Avalonia.Skia/Gpu/OpenGl/FboSkiaSurface.cs b/src/Skia/Avalonia.Skia/Gpu/OpenGl/FboSkiaSurface.cs index 24464c39d9..8ab275df63 100644 --- a/src/Skia/Avalonia.Skia/Gpu/OpenGl/FboSkiaSurface.cs +++ b/src/Skia/Avalonia.Skia/Gpu/OpenGl/FboSkiaSurface.cs @@ -14,7 +14,7 @@ namespace Avalonia.Skia private int _texture; private static readonly bool[] TrueFalse = new[] { true, false }; - public FboSkiaSurface(GRContext grContext, IGlContext glContext, PixelSize pixelSize) + public FboSkiaSurface(GRContext grContext, IGlContext glContext, PixelSize pixelSize, GRSurfaceOrigin surfaceOrigin) { _grContext = grContext; _glContext = glContext; @@ -93,7 +93,7 @@ namespace Avalonia.Skia var target = new GRBackendRenderTarget(pixelSize.Width, pixelSize.Height, 0, 8, new GRGlFramebufferInfo((uint)_fbo, SKColorType.Rgba8888.ToGlSizedFormat())); Surface = SKSurface.Create(_grContext, target, - GRSurfaceOrigin.TopLeft, SKColorType.Rgba8888); + surfaceOrigin, SKColorType.Rgba8888); CanBlit = gl.BlitFramebuffer != null; } diff --git a/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs b/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs index e109922a3f..b4c5619c85 100644 --- a/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs +++ b/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs @@ -39,6 +39,8 @@ namespace Avalonia.Skia _backendRenderTarget = backendRenderTarget; _surface = surface; _glSession = glSession; + + SurfaceOrigin = glSession.IsYFlipped ? GRSurfaceOrigin.TopLeft : GRSurfaceOrigin.BottomLeft; } public void Dispose() { @@ -48,6 +50,8 @@ namespace Avalonia.Skia GrContext.Flush(); _glSession.Dispose(); } + + public GRSurfaceOrigin SurfaceOrigin { get; } public GRContext GrContext { get; } public SKSurface SkSurface => _surface; diff --git a/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlSkiaGpu.cs b/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlSkiaGpu.cs index c02d813e24..02e3766d40 100644 --- a/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlSkiaGpu.cs +++ b/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlSkiaGpu.cs @@ -47,7 +47,7 @@ namespace Avalonia.Skia return null; } - public ISkiaSurface TryCreateSurface(PixelSize size) + public ISkiaSurface TryCreateSurface(PixelSize size, GRSurfaceOrigin surfaceOrigin) { // Only windows platform needs our FBO trickery if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) @@ -62,7 +62,7 @@ namespace Avalonia.Skia return null; try { - var surface = new FboSkiaSurface(_grContext, _glContext, size); + var surface = new FboSkiaSurface(_grContext, _glContext, size, surfaceOrigin); _canCreateSurfaces = true; return surface; } diff --git a/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs b/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs index 9992c9ba8c..6626546c0c 100644 --- a/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs +++ b/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs @@ -33,7 +33,8 @@ namespace Avalonia.Skia Dpi = SkiaPlatform.DefaultDpi * session.ScaleFactor, VisualBrushRenderer = visualBrushRenderer, DisableTextLcdRendering = true, - Gpu = _skiaGpu + Gpu = _skiaGpu, + CurrentSession = session }; return new DrawingContextImpl(nfo, session); diff --git a/src/Skia/Avalonia.Skia/PlatformRenderInterface.cs b/src/Skia/Avalonia.Skia/PlatformRenderInterface.cs index d6f76a2c20..6048482110 100644 --- a/src/Skia/Avalonia.Skia/PlatformRenderInterface.cs +++ b/src/Skia/Avalonia.Skia/PlatformRenderInterface.cs @@ -127,7 +127,7 @@ namespace Avalonia.Skia DisableTextLcdRendering = false }; - return new SurfaceRenderTarget(createInfo); + return new SurfaceRenderTarget(createInfo, GRSurfaceOrigin.TopLeft); } /// diff --git a/src/Skia/Avalonia.Skia/SurfaceRenderTarget.cs b/src/Skia/Avalonia.Skia/SurfaceRenderTarget.cs index 61b599a731..905c9160a7 100644 --- a/src/Skia/Avalonia.Skia/SurfaceRenderTarget.cs +++ b/src/Skia/Avalonia.Skia/SurfaceRenderTarget.cs @@ -42,7 +42,7 @@ namespace Avalonia.Skia /// Create new surface render target. /// /// Create info. - public SurfaceRenderTarget(CreateInfo createInfo) + public SurfaceRenderTarget(CreateInfo createInfo, GRSurfaceOrigin surfaceOrigin) { PixelSize = new PixelSize(createInfo.Width, createInfo.Height); Dpi = createInfo.Dpi; @@ -51,7 +51,7 @@ namespace Avalonia.Skia _grContext = createInfo.GrContext; _gpu = createInfo.Gpu; - _surface = _gpu?.TryCreateSurface(PixelSize); + _surface = _gpu?.TryCreateSurface(PixelSize, surfaceOrigin); if (_surface == null) _surface = new SkiaSurfaceWrapper(CreateSurface(createInfo.GrContext, PixelSize.Width, PixelSize.Height, createInfo.Format)); @@ -100,7 +100,7 @@ namespace Avalonia.Skia VisualBrushRenderer = visualBrushRenderer, DisableTextLcdRendering = _disableLcdRendering, GrContext = _grContext, - Gpu = _gpu + Gpu = _gpu, }; return new DrawingContextImpl(createInfo, Disposable.Create(() => Version++));