From 6a51b628f910deb6356974c2eb6fb2dba1dfdb34 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Mon, 12 Oct 2020 21:50:41 -0300
Subject: Fix error when dual source blend is used (#1610)
* Fix error when dual source blend is used
* Ensure framebuffer
---
Ryujinx.Graphics.OpenGL/Framebuffer.cs | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
(limited to 'Ryujinx.Graphics.OpenGL/Framebuffer.cs')
diff --git a/Ryujinx.Graphics.OpenGL/Framebuffer.cs b/Ryujinx.Graphics.OpenGL/Framebuffer.cs
index aececbe8..015b0ec0 100644
--- a/Ryujinx.Graphics.OpenGL/Framebuffer.cs
+++ b/Ryujinx.Graphics.OpenGL/Framebuffer.cs
@@ -13,6 +13,9 @@ namespace Ryujinx.Graphics.OpenGL
private readonly TextureView[] _colors;
+ private int _colorsCount;
+ private bool _dualSourceBlend;
+
public Framebuffer()
{
Handle = GL.GenFramebuffer();
@@ -97,7 +100,35 @@ namespace Ryujinx.Graphics.OpenGL
}
}
+ public void SetDualSourceBlend(bool enable)
+ {
+ bool oldEnable = _dualSourceBlend;
+
+ _dualSourceBlend = enable;
+
+ // When dual source blend is used,
+ // we can only have one draw buffer.
+ if (enable)
+ {
+ GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
+ }
+ else if (oldEnable)
+ {
+ SetDrawBuffersImpl(_colorsCount);
+ }
+ }
+
public void SetDrawBuffers(int colorsCount)
+ {
+ if (_colorsCount != colorsCount && !_dualSourceBlend)
+ {
+ SetDrawBuffersImpl(colorsCount);
+ }
+
+ _colorsCount = colorsCount;
+ }
+
+ private void SetDrawBuffersImpl(int colorsCount)
{
DrawBuffersEnum[] drawBuffers = new DrawBuffersEnum[colorsCount];
--
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