From ea3dec1daa1a3dda589c297bf305c5cfff264fb5 Mon Sep 17 00:00:00 2001
From: Hayden Kowalchuk <819028+mrneo240@users.noreply.github.com>
Date: Thu, 5 Mar 2020 15:13:30 -0500
Subject: [PATCH] feat: opengl headers expose new functionality

---
 include/gl.h    | 22 ++++++++++++++++++++++
 include/glext.h | 15 +++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/include/gl.h b/include/gl.h
index 7679abf..c456c86 100644
--- a/include/gl.h
+++ b/include/gl.h
@@ -362,6 +362,27 @@ __BEGIN_DECLS
 #define GL_RGBA12                         0x805A
 #define GL_RGBA16                         0x805B
 
+/* Polygons */
+#define GL_POINT				0x1B00
+#define GL_LINE					0x1B01
+#define GL_FILL					0x1B02
+#define GL_CW					0x0900
+#define GL_CCW					0x0901
+#define GL_FRONT				0x0404
+#define GL_BACK					0x0405
+#define GL_POLYGON_MODE				0x0B40
+#define GL_POLYGON_SMOOTH			0x0B41
+#define GL_POLYGON_STIPPLE			0x0B42
+#define GL_EDGE_FLAG				0x0B43
+#define GL_CULL_FACE				0x0B44
+#define GL_CULL_FACE_MODE			0x0B45
+#define GL_FRONT_FACE				0x0B46
+#define GL_POLYGON_OFFSET_FACTOR		0x8038
+#define GL_POLYGON_OFFSET_UNITS			0x2A00
+#define GL_POLYGON_OFFSET_POINT			0x2A01
+#define GL_POLYGON_OFFSET_LINE			0x2A02
+#define GL_POLYGON_OFFSET_FILL			0x8037
+
 #define GLbyte   char
 #define GLshort  short
 #define GLint    int
@@ -471,6 +492,7 @@ GLAPI void APIENTRY glClearDepthf(GLfloat depth);
 GLAPI void APIENTRY glDepthMask(GLboolean flag);
 GLAPI void APIENTRY glDepthFunc(GLenum func);
 GLAPI void APIENTRY glDepthRange(GLclampf n, GLclampf f);
+GLAPI void APIENTRY glDepthRangef(GLclampf n, GLclampf f);
 
 /* Hints */
 /* Currently Supported Capabilities:
diff --git a/include/glext.h b/include/glext.h
index af64ff2..15cfa7f 100644
--- a/include/glext.h
+++ b/include/glext.h
@@ -190,6 +190,21 @@ GLAPI void APIENTRY glCompressedTexImage2DARB(GLenum target,
 #define glGenerateMipmap glGenerateMipmapEXT
 #define glCompressedTexImage2D glCompressedTexImage2DARB
 
+#ifndef GL_VERSION_1_4
+#define GL_VERSION_1_4 1
+#define GL_MAX_TEXTURE_LOD_BIAS           0x84FD
+#define GL_TEXTURE_LOD_BIAS               0x8501
+#define GL_MAX_TEXTURE_LOD_BIAS_DEFAULT 7
+#define GL_KOS_INTERNAL_DEFAULT_MIPMAP_LOD_BIAS -4
+#endif
+
+#ifndef GL_EXT_texture_lod_bias
+#define GL_EXT_texture_lod_bias 1
+#define GL_MAX_TEXTURE_LOD_BIAS_EXT       0x84FD
+#define GL_TEXTURE_FILTER_CONTROL_EXT     0x8500
+#define GL_TEXTURE_LOD_BIAS_EXT           0x8501
+#endif /* GL_EXT_texture_lod_bias */
+
 __END_DECLS
 
 #endif /* !__GL_GLEXT_H */