From ce2a569a208a18b75c79266e5bf8853016d97b3e Mon Sep 17 00:00:00 2001
From: "H. Utku Maden" <utkumaden@hotmail.com>
Date: Thu, 16 May 2024 22:57:55 +0300
Subject: [PATCH] Add texture swizzle parameters.

---
 Quik/OpenGL/GL.cs     |  4 ++++
 Quik/OpenGL/GLEnum.cs | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/Quik/OpenGL/GL.cs b/Quik/OpenGL/GL.cs
index e06250b..e4f0068 100644
--- a/Quik/OpenGL/GL.cs
+++ b/Quik/OpenGL/GL.cs
@@ -30,6 +30,7 @@ namespace Quik.OpenGL
         private static GLEnum1Proc _depthFunc;
         private static GLEnum1Proc _clear;
         private static GLI4Proc _viewport;
+        private static GLI4Proc _scissor;
         private static GLF4Proc _clearColor;
         private static DrawElementsProc _drawElements;
         private static DrawArraysProc _drawArrays;
@@ -54,6 +55,7 @@ namespace Quik.OpenGL
             _depthFunc = GetProcAddress<GLEnum1Proc>("glDepthFunc");
             _clear = GetProcAddress<GLEnum1Proc>("glClear");
             _viewport = GetProcAddress<GLI4Proc>("glViewport");
+            _scissor = GetProcAddress<GLI4Proc>("glScissor");
             _clearColor = GetProcAddress<GLF4Proc>("glClearColor");
             _drawElements = GetProcAddress<DrawElementsProc>("glDrawElements");
             _drawArrays = GetProcAddress<DrawArraysProc>("glDrawArrays");
@@ -82,6 +84,8 @@ namespace Quik.OpenGL
         [MethodImpl(AggressiveInlining)]
         public static void Viewport(int x, int y, int w, int h) => _viewport(x, y, w, h);
         [MethodImpl(AggressiveInlining)]
+        public static void Scissor(int x, int y, int w, int h) => _scissor(x, y, w, h);
+        [MethodImpl(AggressiveInlining)]
         public static void ClearColor(float r, float g, float b, float a) => _clearColor(r, g, b, a);
 
         [MethodImpl(AggressiveInlining)]
diff --git a/Quik/OpenGL/GLEnum.cs b/Quik/OpenGL/GLEnum.cs
index b0fb06e..d2ebb93 100644
--- a/Quik/OpenGL/GLEnum.cs
+++ b/Quik/OpenGL/GLEnum.cs
@@ -5,6 +5,8 @@ namespace Quik.OpenGL
         GL_OK = 0,
         GL_TRUE = 1,
         GL_FALSE = 0,
+        GL_ONE = 1,
+        GL_ZERO = 0,
         GL_MAJOR_VERSION = 0x821B,
         GL_MINOR_VERSION = 0x821C,
         GL_VENDOR = 0x1F00,
@@ -35,6 +37,8 @@ namespace Quik.OpenGL
         GL_FLOAT = 0x1406,
 
         GL_RED = 0x1903,
+        GL_GREEN = 0x1904,
+        GL_BLUE = 0x1905,
         GL_ALPHA = 0x1906,
         GL_RGB = 0x1907,
         GL_RGBA = 0x1908,
@@ -75,5 +79,11 @@ namespace Quik.OpenGL
         GL_REPEAT = 0x2901,
 
         GL_TRIANGLES = 0x0004,
+
+        GL_SCISSOR_TEST = 0x0C11,
+        GL_TEXTURE_SWIZZLE_R = 0x8E42,
+        GL_TEXTURE_SWIZZLE_G = 0x8E43,
+        GL_TEXTURE_SWIZZLE_B = 0x8E44,
+        GL_TEXTURE_SWIZZLE_A = 0x8E45
     }
 }
\ No newline at end of file