mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-12-24 04:21:20 -08:00
28618c58d7
* Add internal screenshot capabilities * update version notice
194 lines
6.1 KiB
C#
194 lines
6.1 KiB
C#
using OpenTK.Graphics.OpenGL;
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using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.OpenGL.Image;
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using System;
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namespace Ryujinx.Graphics.OpenGL
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{
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class Window : IWindow, IDisposable
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{
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private readonly Renderer _renderer;
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private int _width;
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private int _height;
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private int _copyFramebufferHandle;
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internal BackgroundContextWorker BackgroundContext { get; private set; }
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internal bool ScreenCaptureRequested { get; set; }
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public Window(Renderer renderer)
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{
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_renderer = renderer;
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}
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public void Present(ITexture texture, ImageCrop crop)
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{
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GL.Disable(EnableCap.FramebufferSrgb);
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CopyTextureToFrameBufferRGB(0, GetCopyFramebufferHandleLazy(), (TextureView)texture, crop);
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GL.Enable(EnableCap.FramebufferSrgb);
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}
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public void SetSize(int width, int height)
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{
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_width = width;
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_height = height;
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}
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private void CopyTextureToFrameBufferRGB(int drawFramebuffer, int readFramebuffer, TextureView view, ImageCrop crop)
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{
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(int oldDrawFramebufferHandle, int oldReadFramebufferHandle) = ((Pipeline)_renderer.Pipeline).GetBoundFramebuffers();
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, drawFramebuffer);
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GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, readFramebuffer);
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TextureView viewConverted = view.Format.IsBgra8() ? _renderer.TextureCopy.BgraSwap(view) : view;
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GL.FramebufferTexture(
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FramebufferTarget.ReadFramebuffer,
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FramebufferAttachment.ColorAttachment0,
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viewConverted.Handle,
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0);
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GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
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GL.Disable(EnableCap.RasterizerDiscard);
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GL.Disable(IndexedEnableCap.ScissorTest, 0);
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GL.Clear(ClearBufferMask.ColorBufferBit);
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int srcX0, srcX1, srcY0, srcY1;
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float scale = view.ScaleFactor;
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if (crop.Left == 0 && crop.Right == 0)
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{
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srcX0 = 0;
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srcX1 = (int)(view.Width / scale);
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}
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else
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{
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srcX0 = crop.Left;
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srcX1 = crop.Right;
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}
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if (crop.Top == 0 && crop.Bottom == 0)
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{
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srcY0 = 0;
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srcY1 = (int)(view.Height / scale);
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}
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else
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{
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srcY0 = crop.Top;
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srcY1 = crop.Bottom;
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}
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if (scale != 1f)
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{
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srcX0 = (int)(srcX0 * scale);
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srcY0 = (int)(srcY0 * scale);
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srcX1 = (int)Math.Ceiling(srcX1 * scale);
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srcY1 = (int)Math.Ceiling(srcY1 * scale);
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}
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float ratioX = crop.IsStretched ? 1.0f : MathF.Min(1.0f, _height * crop.AspectRatioX / (_width * crop.AspectRatioY));
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float ratioY = crop.IsStretched ? 1.0f : MathF.Min(1.0f, _width * crop.AspectRatioY / (_height * crop.AspectRatioX));
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int dstWidth = (int)(_width * ratioX);
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int dstHeight = (int)(_height * ratioY);
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int dstPaddingX = (_width - dstWidth) / 2;
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int dstPaddingY = (_height - dstHeight) / 2;
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int dstX0 = crop.FlipX ? _width - dstPaddingX : dstPaddingX;
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int dstX1 = crop.FlipX ? dstPaddingX : _width - dstPaddingX;
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int dstY0 = crop.FlipY ? dstPaddingY : _height - dstPaddingY;
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int dstY1 = crop.FlipY ? _height - dstPaddingY : dstPaddingY;
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if (ScreenCaptureRequested)
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{
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CaptureFrame(srcX0, srcY0, srcX1, srcY1, view.Format.IsBgra8(), crop.FlipX, crop.FlipY);
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ScreenCaptureRequested = false;
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}
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GL.BlitFramebuffer(
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srcX0,
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srcY0,
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srcX1,
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srcY1,
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dstX0,
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dstY0,
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dstX1,
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dstY1,
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ClearBufferMask.ColorBufferBit,
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BlitFramebufferFilter.Linear);
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// Remove Alpha channel
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GL.ColorMask(false, false, false, true);
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GL.ClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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GL.Clear(ClearBufferMask.ColorBufferBit);
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for (int i = 0; i < Constants.MaxRenderTargets; i++)
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{
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((Pipeline)_renderer.Pipeline).RestoreComponentMask(i);
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}
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GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, oldReadFramebufferHandle);
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, oldDrawFramebufferHandle);
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((Pipeline)_renderer.Pipeline).RestoreScissor0Enable();
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((Pipeline)_renderer.Pipeline).RestoreRasterizerDiscard();
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if (viewConverted != view)
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{
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viewConverted.Dispose();
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}
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}
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private int GetCopyFramebufferHandleLazy()
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{
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int handle = _copyFramebufferHandle;
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if (handle == 0)
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{
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handle = GL.GenFramebuffer();
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_copyFramebufferHandle = handle;
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}
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return handle;
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}
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public void InitializeBackgroundContext(IOpenGLContext baseContext)
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{
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BackgroundContext = new BackgroundContextWorker(baseContext);
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}
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public void CaptureFrame(int x, int y, int width, int height, bool isBgra, bool flipX, bool flipY)
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{
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long size = Math.Abs(4 * width * height);
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byte[] bitmap = new byte[size];
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GL.ReadPixels(x, y, width, height, isBgra ? PixelFormat.Bgra : PixelFormat.Rgba, PixelType.UnsignedByte, bitmap);
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_renderer.OnScreenCaptured(new ScreenCaptureImageInfo(width, height, isBgra, bitmap, flipX, flipY));
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}
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public void Dispose()
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{
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BackgroundContext.Dispose();
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if (_copyFramebufferHandle != 0)
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{
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GL.DeleteFramebuffer(_copyFramebufferHandle);
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_copyFramebufferHandle = 0;
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}
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}
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}
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}
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