d2bb458b51
* Better implementation of the DMA pusher, misc fixes * Remove some debug code * Correct RGBX8 format * Add support for linked Texture Sampler Control * Attempt to fix upside down screen issue
499 lines
No EOL
15 KiB
C#
499 lines
No EOL
15 KiB
C#
using OpenTK.Graphics.OpenGL;
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using Ryujinx.Graphics.Texture;
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using System;
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namespace Ryujinx.Graphics.Gal.OpenGL
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{
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class OGLRenderTarget : IGalRenderTarget
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{
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private const int NativeWidth = 1280;
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private const int NativeHeight = 720;
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private const int RenderTargetsCount = GalPipelineState.RenderTargetsCount;
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private struct Rect
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{
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public int X { get; private set; }
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public int Y { get; private set; }
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public int Width { get; private set; }
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public int Height { get; private set; }
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public Rect(int X, int Y, int Width, int Height)
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{
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this.X = X;
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this.Y = Y;
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this.Width = Width;
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this.Height = Height;
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}
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}
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private class FrameBufferAttachments
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{
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public int MapCount { get; set; }
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public DrawBuffersEnum[] Map { get; private set; }
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public long[] Colors { get; private set; }
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public long Zeta { get; set; }
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public FrameBufferAttachments()
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{
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Colors = new long[RenderTargetsCount];
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Map = new DrawBuffersEnum[RenderTargetsCount];
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}
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public void Update(FrameBufferAttachments Source)
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{
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for (int Index = 0; Index < RenderTargetsCount; Index++)
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{
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Map[Index] = Source.Map[Index];
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Colors[Index] = Source.Colors[Index];
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}
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MapCount = Source.MapCount;
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Zeta = Source.Zeta;
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}
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}
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private int[] ColorHandles;
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private int ZetaHandle;
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private OGLTexture Texture;
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private ImageHandler ReadTex;
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private Rect Window;
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private float[] Viewports;
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private bool FlipX;
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private bool FlipY;
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private int CropTop;
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private int CropLeft;
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private int CropRight;
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private int CropBottom;
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//This framebuffer is used to attach guest rendertargets,
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//think of it as a dummy OpenGL VAO
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private int DummyFrameBuffer;
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//These framebuffers are used to blit images
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private int SrcFb;
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private int DstFb;
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private FrameBufferAttachments Attachments;
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private FrameBufferAttachments OldAttachments;
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private int CopyPBO;
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public OGLRenderTarget(OGLTexture Texture)
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{
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Attachments = new FrameBufferAttachments();
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OldAttachments = new FrameBufferAttachments();
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ColorHandles = new int[RenderTargetsCount];
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Viewports = new float[RenderTargetsCount * 4];
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this.Texture = Texture;
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Texture.TextureDeleted += TextureDeletionHandler;
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}
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private void TextureDeletionHandler(object Sender, int Handle)
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{
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//Texture was deleted, the handle is no longer valid, so
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//reset all uses of this handle on a render target.
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for (int Attachment = 0; Attachment < RenderTargetsCount; Attachment++)
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{
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if (ColorHandles[Attachment] == Handle)
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{
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ColorHandles[Attachment] = 0;
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}
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}
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if (ZetaHandle == Handle)
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{
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ZetaHandle = 0;
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}
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}
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public void Bind()
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{
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if (DummyFrameBuffer == 0)
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{
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DummyFrameBuffer = GL.GenFramebuffer();
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}
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, DummyFrameBuffer);
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ImageHandler CachedImage;
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for (int Attachment = 0; Attachment < RenderTargetsCount; Attachment++)
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{
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long Key = Attachments.Colors[Attachment];
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int Handle = 0;
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if (Key != 0 && Texture.TryGetImageHandler(Key, out CachedImage))
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{
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Handle = CachedImage.Handle;
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}
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if (Handle == ColorHandles[Attachment])
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{
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continue;
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}
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GL.FramebufferTexture(
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FramebufferTarget.DrawFramebuffer,
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FramebufferAttachment.ColorAttachment0 + Attachment,
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Handle,
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0);
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ColorHandles[Attachment] = Handle;
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}
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if (Attachments.Zeta != 0 && Texture.TryGetImageHandler(Attachments.Zeta, out CachedImage))
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{
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if (CachedImage.Handle != ZetaHandle)
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{
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if (CachedImage.HasDepth && CachedImage.HasStencil)
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{
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GL.FramebufferTexture(
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FramebufferTarget.DrawFramebuffer,
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FramebufferAttachment.DepthStencilAttachment,
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CachedImage.Handle,
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0);
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}
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else if (CachedImage.HasDepth)
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{
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GL.FramebufferTexture(
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FramebufferTarget.DrawFramebuffer,
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FramebufferAttachment.DepthAttachment,
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CachedImage.Handle,
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0);
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GL.FramebufferTexture(
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FramebufferTarget.DrawFramebuffer,
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FramebufferAttachment.StencilAttachment,
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0,
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0);
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}
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else
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{
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throw new InvalidOperationException("Invalid image format \"" + CachedImage.Format + "\" used as Zeta!");
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}
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ZetaHandle = CachedImage.Handle;
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}
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}
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else if (ZetaHandle != 0)
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{
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GL.FramebufferTexture(
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FramebufferTarget.DrawFramebuffer,
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FramebufferAttachment.DepthStencilAttachment,
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0,
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0);
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ZetaHandle = 0;
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}
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if (OGLExtension.ViewportArray)
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{
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GL.ViewportArray(0, RenderTargetsCount, Viewports);
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}
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else
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{
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GL.Viewport(
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(int)Viewports[0],
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(int)Viewports[1],
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(int)Viewports[2],
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(int)Viewports[3]);
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}
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if (Attachments.MapCount > 1)
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{
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GL.DrawBuffers(Attachments.MapCount, Attachments.Map);
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}
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else if (Attachments.MapCount == 1)
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{
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GL.DrawBuffer((DrawBufferMode)Attachments.Map[0]);
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}
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else
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{
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GL.DrawBuffer(DrawBufferMode.None);
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}
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OldAttachments.Update(Attachments);
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}
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public void BindColor(long Key, int Attachment)
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{
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Attachments.Colors[Attachment] = Key;
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}
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public void UnbindColor(int Attachment)
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{
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Attachments.Colors[Attachment] = 0;
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}
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public void BindZeta(long Key)
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{
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Attachments.Zeta = Key;
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}
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public void UnbindZeta()
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{
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Attachments.Zeta = 0;
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}
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public void Present(long Key)
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{
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Texture.TryGetImageHandler(Key, out ReadTex);
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}
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public void SetMap(int[] Map)
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{
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if (Map != null)
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{
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Attachments.MapCount = Map.Length;
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for (int Attachment = 0; Attachment < Attachments.MapCount; Attachment++)
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{
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Attachments.Map[Attachment] = DrawBuffersEnum.ColorAttachment0 + Map[Attachment];
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}
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}
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else
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{
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Attachments.MapCount = 0;
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}
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}
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public void SetTransform(bool FlipX, bool FlipY, int Top, int Left, int Right, int Bottom)
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{
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this.FlipX = FlipX;
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this.FlipY = FlipY;
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CropTop = Top;
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CropLeft = Left;
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CropRight = Right;
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CropBottom = Bottom;
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}
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public void SetWindowSize(int Width, int Height)
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{
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Window = new Rect(0, 0, Width, Height);
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}
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public void SetViewport(int Attachment, int X, int Y, int Width, int Height)
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{
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int Offset = Attachment * 4;
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Viewports[Offset + 0] = X;
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Viewports[Offset + 1] = Y;
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Viewports[Offset + 2] = Width;
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Viewports[Offset + 3] = Height;
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}
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public void Render()
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{
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if (ReadTex == null)
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{
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return;
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}
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int SrcX0, SrcX1, SrcY0, SrcY1;
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if (CropLeft == 0 && CropRight == 0)
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{
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SrcX0 = 0;
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SrcX1 = ReadTex.Width;
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}
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else
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{
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SrcX0 = CropLeft;
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SrcX1 = CropRight;
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}
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if (CropTop == 0 && CropBottom == 0)
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{
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SrcY0 = 0;
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SrcY1 = ReadTex.Height;
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}
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else
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{
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SrcY0 = CropTop;
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SrcY1 = CropBottom;
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}
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float RatioX = MathF.Min(1f, (Window.Height * (float)NativeWidth) / ((float)NativeHeight * Window.Width));
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float RatioY = MathF.Min(1f, (Window.Width * (float)NativeHeight) / ((float)NativeWidth * Window.Height));
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int DstWidth = (int)(Window.Width * RatioX);
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int DstHeight = (int)(Window.Height * RatioY);
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int DstPaddingX = (Window.Width - DstWidth) / 2;
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int DstPaddingY = (Window.Height - DstHeight) / 2;
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int DstX0 = FlipX ? Window.Width - DstPaddingX : DstPaddingX;
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int DstX1 = FlipX ? DstPaddingX : Window.Width - DstPaddingX;
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int DstY0 = FlipY ? DstPaddingY : Window.Height - DstPaddingY;
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int DstY1 = FlipY ? Window.Height - DstPaddingY : DstPaddingY;
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GL.Viewport(0, 0, Window.Width, Window.Height);
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if (SrcFb == 0)
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{
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SrcFb = GL.GenFramebuffer();
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}
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GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, SrcFb);
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, 0);
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GL.FramebufferTexture(FramebufferTarget.ReadFramebuffer, FramebufferAttachment.ColorAttachment0, ReadTex.Handle, 0);
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GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
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GL.Clear(ClearBufferMask.ColorBufferBit);
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GL.BlitFramebuffer(
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SrcX0, SrcY0, SrcX1, SrcY1,
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DstX0, DstY0, DstX1, DstY1,
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ClearBufferMask.ColorBufferBit,
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BlitFramebufferFilter.Linear);
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}
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public void Copy(
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long SrcKey,
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long DstKey,
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int SrcX0,
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int SrcY0,
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int SrcX1,
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int SrcY1,
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int DstX0,
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int DstY0,
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int DstX1,
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int DstY1)
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{
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if (Texture.TryGetImageHandler(SrcKey, out ImageHandler SrcTex) &&
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Texture.TryGetImageHandler(DstKey, out ImageHandler DstTex))
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{
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if (SrcTex.HasColor != DstTex.HasColor ||
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SrcTex.HasDepth != DstTex.HasDepth ||
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SrcTex.HasStencil != DstTex.HasStencil)
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{
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throw new NotImplementedException();
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}
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if (SrcFb == 0)
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{
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SrcFb = GL.GenFramebuffer();
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}
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if (DstFb == 0)
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{
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DstFb = GL.GenFramebuffer();
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}
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GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, SrcFb);
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GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, DstFb);
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FramebufferAttachment Attachment = GetAttachment(SrcTex);
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GL.FramebufferTexture(FramebufferTarget.ReadFramebuffer, Attachment, SrcTex.Handle, 0);
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GL.FramebufferTexture(FramebufferTarget.DrawFramebuffer, Attachment, DstTex.Handle, 0);
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BlitFramebufferFilter Filter = BlitFramebufferFilter.Nearest;
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if (SrcTex.HasColor)
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{
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GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
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Filter = BlitFramebufferFilter.Linear;
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}
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ClearBufferMask Mask = GetClearMask(SrcTex);
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GL.BlitFramebuffer(SrcX0, SrcY0, SrcX1, SrcY1, DstX0, DstY0, DstX1, DstY1, Mask, Filter);
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}
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}
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public void Reinterpret(long Key, GalImage NewImage)
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{
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if (!Texture.TryGetImage(Key, out GalImage OldImage))
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{
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return;
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}
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if (NewImage.Format == OldImage.Format)
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{
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return;
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}
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if (CopyPBO == 0)
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{
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CopyPBO = GL.GenBuffer();
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}
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GL.BindBuffer(BufferTarget.PixelPackBuffer, CopyPBO);
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GL.BufferData(BufferTarget.PixelPackBuffer, Math.Max(ImageUtils.GetSize(OldImage), ImageUtils.GetSize(NewImage)), IntPtr.Zero, BufferUsageHint.StreamCopy);
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if (!Texture.TryGetImageHandler(Key, out ImageHandler CachedImage))
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{
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throw new InvalidOperationException();
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}
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(_, PixelFormat Format, PixelType Type) = OGLEnumConverter.GetImageFormat(CachedImage.Format);
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GL.BindTexture(TextureTarget.Texture2D, CachedImage.Handle);
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GL.GetTexImage(TextureTarget.Texture2D, 0, Format, Type, IntPtr.Zero);
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GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
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GL.BindBuffer(BufferTarget.PixelUnpackBuffer, CopyPBO);
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Texture.Create(Key, ImageUtils.GetSize(NewImage), NewImage);
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GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0);
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}
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private static FramebufferAttachment GetAttachment(ImageHandler CachedImage)
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{
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if (CachedImage.HasColor)
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{
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return FramebufferAttachment.ColorAttachment0;
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}
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else if (CachedImage.HasDepth && CachedImage.HasStencil)
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{
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return FramebufferAttachment.DepthStencilAttachment;
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}
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else if (CachedImage.HasDepth)
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{
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return FramebufferAttachment.DepthAttachment;
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}
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else if (CachedImage.HasStencil)
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{
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return FramebufferAttachment.StencilAttachment;
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}
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else
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{
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throw new InvalidOperationException();
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}
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}
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private static ClearBufferMask GetClearMask(ImageHandler CachedImage)
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{
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return (CachedImage.HasColor ? ClearBufferMask.ColorBufferBit : 0) |
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(CachedImage.HasDepth ? ClearBufferMask.DepthBufferBit : 0) |
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(CachedImage.HasStencil ? ClearBufferMask.StencilBufferBit : 0);
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}
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}
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} |