From 4c00e30ef0190a0d22a3035fb27a66a5e74af6a6 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 19 Apr 2001 22:34:05 +0000
Subject: [PATCH] added GL_ARB_texture_env_combine GL_ARB_texture_env_dot3
 GL_ARB_texture_border_clamp (temporary until SGI updates this file)

---
 include/GL/glext.h | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

diff --git a/include/GL/glext.h b/include/GL/glext.h
index 774d572..66fad47 100644
--- a/include/GL/glext.h
+++ b/include/GL/glext.h
@@ -271,6 +271,40 @@ extern "C" {
 #define GL_MODELVIEW31_ARB                0x873F
 #endif
 
+#ifndef GL_ARB_texture_env_combine
+#define GL_COMBINE_ARB                                     0x8570
+#define GL_COMBINE_RGB_ARB                                 0x8571
+#define GL_COMBINE_ALPHA_ARB                               0x8572
+#define GL_SOURCE0_RGB_ARB                                 0x8580
+#define GL_SOURCE1_RGB_ARB                                 0x8581
+#define GL_SOURCE2_RGB_ARB                                 0x8582
+#define GL_SOURCE0_ALPHA_ARB                               0x8588
+#define GL_SOURCE1_ALPHA_ARB                               0x8589
+#define GL_SOURCE2_ALPHA_ARB                               0x858A
+#define GL_OPERAND0_RGB_ARB                                0x8590
+#define GL_OPERAND1_RGB_ARB                                0x8591
+#define GL_OPERAND2_RGB_ARB                                0x8592
+#define GL_OPERAND0_ALPHA_ARB                              0x8598
+#define GL_OPERAND1_ALPHA_ARB                              0x8599
+#define GL_OPERAND2_ALPHA_ARB                              0x859A
+#define GL_RGB_SCALE_ARB                                   0x8573
+#define GL_ADD_SIGNED_ARB                                  0x8574
+#define GL_INTERPOLATE_ARB                                 0x8575
+#define GL_SUBTRACT_ARB                                    0x84E7
+#define GL_CONSTANT_ARB                                    0x8576
+#define GL_PRIMARY_COLOR_ARB                               0x8577
+#define GL_PREVIOUS_ARB                                    0x8578
+#endif
+
+#ifndef GL_ARB_texture_env_dot3
+#define GL_DOT3_RGB_ARB                   0x86AE
+#define GL_DOT3_RGBA_ARB                  0x86AF
+#endif
+
+#ifndef GL_ARB_texture_border_clamp
+#define GL_CLAMP_TO_BORDER_ARB            0x812D
+#endif
+
 #ifndef GL_EXT_abgr
 #define GL_ABGR_EXT                       0x8000
 #endif
@@ -1718,8 +1752,16 @@ typedef void (APIENTRY * PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC) (GLenum target, GL
 typedef void (APIENTRY * PFNGLGETCOMPRESSEDTEXIMAGEARBPROC) (GLenum target, GLint level, void *img);
 #endif
 
-#ifndef GL_EXT_abgr
-#define GL_EXT_abgr 1
+#ifndef GL_ARB_texture_env_combine
+#define GL_ARB_texture_env_combine 1
+#endif
+
+#ifndef GL_ARB_texture_env_dot3
+#define GL_ARB_texture_env_dot3 1
+#endif
+
+#ifndef GL_ARB_texture_border_clamp
+#define GL_ARB_texture_border_clamp 1
 #endif
 
 #ifndef GL_EXT_blend_color
-- 
2.7.4