From 80b497213981512e9ba1a629bcd5e2c519d2e566 Mon Sep 17 00:00:00 2001
From: Emmanuel Hansen <emmausssss@gmail.com>
Date: Mon, 27 Feb 2023 21:11:55 +0000
Subject: Add Support for Post Processing Effects (#3616)

* Add Post Processing Effects

* fix events and shader issues

* fix gtk upscale slider value

* fix bgra games

* don't swap swizzle if already swapped

* restore opengl texture state after effects run

* addressed review

* use single pipeline for smaa and fsr

* call finish on all pipelines

* addressed review

* attempt fix file case

* attempt fixing file case

* fix filter level tick frequency

* adjust filter slider margins

* replace fxaa shaders with original shader

* addressed review
---
 Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs | 40 +++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs

(limited to 'Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs')

diff --git a/Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs b/Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs
new file mode 100644
index 00000000..72c5a98f
--- /dev/null
+++ b/Ryujinx.Graphics.OpenGL/Effects/ShaderHelper.cs
@@ -0,0 +1,40 @@
+using OpenTK.Graphics.OpenGL;
+using System;
+
+namespace Ryujinx.Graphics.OpenGL.Effects
+{
+    internal static class ShaderHelper
+    {
+        public static int CompileProgram(string shaderCode, ShaderType shaderType)
+        {
+            var shader = GL.CreateShader(shaderType);
+            GL.ShaderSource(shader, shaderCode);
+            GL.CompileShader(shader);
+
+            var program = GL.CreateProgram();
+            GL.AttachShader(program, shader);
+            GL.LinkProgram(program);
+
+            GL.DetachShader(program, shader);
+            GL.DeleteShader(shader);
+
+            return program;
+        }
+
+        public static int CompileProgram(string[] shaders, ShaderType shaderType)
+        {
+            var shader = GL.CreateShader(shaderType);
+            GL.ShaderSource(shader, shaders.Length, shaders, (int[])null);
+            GL.CompileShader(shader);
+
+            var program = GL.CreateProgram();
+            GL.AttachShader(program, shader);
+            GL.LinkProgram(program);
+
+            GL.DetachShader(program, shader);
+            GL.DeleteShader(shader);
+
+            return program;
+        }
+    }
+}
-- 
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