mirror of
https://github.com/Ryujinx/Ryujinx.git
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8dbcae1ff8
* Implement BGRA texture support * Missing AppendLine * Remove empty lines * Address PR feedback
220 lines
6.6 KiB
C#
220 lines
6.6 KiB
C#
using Ryujinx.Graphics.GAL;
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using OpenTK.Graphics.OpenGL;
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using System;
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namespace Ryujinx.Graphics.OpenGL.Image
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{
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class TextureCopy : IDisposable
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{
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private readonly Renderer _renderer;
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private int _srcFramebuffer;
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private int _dstFramebuffer;
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private int _copyPboHandle;
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private int _copyPboSize;
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public TextureCopy(Renderer renderer)
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{
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_renderer = renderer;
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}
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public void Copy(
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TextureView src,
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TextureView dst,
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Extents2D srcRegion,
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Extents2D dstRegion,
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bool linearFilter)
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{
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TextureView srcConverted = src.Format.IsBgra8() != dst.Format.IsBgra8() ? BgraSwap(src) : src;
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(int oldDrawFramebufferHandle, int oldReadFramebufferHandle) = ((Pipeline)_renderer.Pipeline).GetBoundFramebuffers();
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GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, GetSrcFramebufferLazy());
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, GetDstFramebufferLazy());
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Attach(FramebufferTarget.ReadFramebuffer, src.Format, srcConverted.Handle);
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Attach(FramebufferTarget.DrawFramebuffer, dst.Format, dst.Handle);
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ClearBufferMask mask = GetMask(src.Format);
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if ((mask & (ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit)) != 0 || src.Format.IsInteger())
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{
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linearFilter = false;
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}
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BlitFramebufferFilter filter = linearFilter
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? BlitFramebufferFilter.Linear
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: BlitFramebufferFilter.Nearest;
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GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
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GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
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GL.Disable(EnableCap.RasterizerDiscard);
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GL.Disable(IndexedEnableCap.ScissorTest, 0);
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GL.BlitFramebuffer(
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srcRegion.X1,
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srcRegion.Y1,
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srcRegion.X2,
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srcRegion.Y2,
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dstRegion.X1,
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dstRegion.Y1,
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dstRegion.X2,
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dstRegion.Y2,
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mask,
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filter);
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Attach(FramebufferTarget.ReadFramebuffer, src.Format, 0);
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Attach(FramebufferTarget.DrawFramebuffer, dst.Format, 0);
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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 (srcConverted != src)
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{
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srcConverted.Dispose();
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}
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}
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private static void Attach(FramebufferTarget target, Format format, int handle)
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{
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if (format == Format.D24UnormS8Uint || format == Format.D32FloatS8Uint)
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{
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GL.FramebufferTexture(target, FramebufferAttachment.DepthStencilAttachment, handle, 0);
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}
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else if (IsDepthOnly(format))
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{
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GL.FramebufferTexture(target, FramebufferAttachment.DepthAttachment, handle, 0);
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}
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else if (format == Format.S8Uint)
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{
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GL.FramebufferTexture(target, FramebufferAttachment.StencilAttachment, handle, 0);
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}
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else
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{
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GL.FramebufferTexture(target, FramebufferAttachment.ColorAttachment0, handle, 0);
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}
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}
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private static ClearBufferMask GetMask(Format format)
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{
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if (format == Format.D24UnormS8Uint || format == Format.D32FloatS8Uint)
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{
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return ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit;
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}
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else if (IsDepthOnly(format))
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{
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return ClearBufferMask.DepthBufferBit;
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}
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else if (format == Format.S8Uint)
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{
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return ClearBufferMask.StencilBufferBit;
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}
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else
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{
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return ClearBufferMask.ColorBufferBit;
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}
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}
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private static bool IsDepthOnly(Format format)
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{
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return format == Format.D16Unorm ||
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format == Format.D24X8Unorm ||
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format == Format.D32Float;
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}
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public TextureView BgraSwap(TextureView from)
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{
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TextureView to = (TextureView)_renderer.CreateTexture(from.Info, 1f);
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EnsurePbo(from);
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GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyPboHandle);
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from.WriteToPbo(0, forceBgra: true);
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GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
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GL.BindBuffer(BufferTarget.PixelUnpackBuffer, _copyPboHandle);
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to.ReadFromPbo(0, _copyPboSize);
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GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0);
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return to;
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}
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private void EnsurePbo(TextureView view)
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{
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int requiredSize = 0;
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for (int level = 0; level < view.Info.Levels; level++)
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{
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requiredSize += view.Info.GetMipSize(level);
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}
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if (_copyPboSize < requiredSize && _copyPboHandle != 0)
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{
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GL.DeleteBuffer(_copyPboHandle);
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_copyPboHandle = 0;
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}
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if (_copyPboHandle == 0)
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{
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_copyPboHandle = GL.GenBuffer();
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_copyPboSize = requiredSize;
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GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyPboHandle);
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GL.BufferData(BufferTarget.PixelPackBuffer, requiredSize, IntPtr.Zero, BufferUsageHint.DynamicCopy);
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}
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}
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private int GetSrcFramebufferLazy()
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{
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if (_srcFramebuffer == 0)
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{
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_srcFramebuffer = GL.GenFramebuffer();
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}
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return _srcFramebuffer;
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}
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private int GetDstFramebufferLazy()
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{
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if (_dstFramebuffer == 0)
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{
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_dstFramebuffer = GL.GenFramebuffer();
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}
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return _dstFramebuffer;
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}
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public void Dispose()
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{
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if (_srcFramebuffer != 0)
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{
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GL.DeleteFramebuffer(_srcFramebuffer);
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_srcFramebuffer = 0;
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}
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if (_dstFramebuffer != 0)
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{
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GL.DeleteFramebuffer(_dstFramebuffer);
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_dstFramebuffer = 0;
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}
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if (_copyPboHandle != 0)
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{
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GL.DeleteBuffer(_copyPboHandle);
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_copyPboHandle = 0;
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}
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}
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}
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}
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