From fd1979857c0577c019c2243ff2d367329b4d1577 Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Thu, 27 Jan 2005 17:49:22 +0000
Subject: [PATCH] Fix an NVIDIA problem.

---
 simgear/screen/RenderTexture.cpp |  2 +-
 simgear/screen/extensions.hxx    | 21 ++++++++++++---------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/simgear/screen/RenderTexture.cpp b/simgear/screen/RenderTexture.cpp
index d104513d..364f5ef7 100644
--- a/simgear/screen/RenderTexture.cpp
+++ b/simgear/screen/RenderTexture.cpp
@@ -1414,7 +1414,7 @@ void RenderTexture::_ParseModeString(const char *modeString,
 #else
         if (GL_NV_float_buffer)
         {
-            pfAttribs.push_back(GL_FLOAT_COMPONENTS_NV);
+            pfAttribs.push_back(GLX_FLOAT_COMPONENTS_NV);
             pfAttribs.push_back(1);
         }
 #endif
diff --git a/simgear/screen/extensions.hxx b/simgear/screen/extensions.hxx
index 10a97969..5aa4c8c4 100644
--- a/simgear/screen/extensions.hxx
+++ b/simgear/screen/extensions.hxx
@@ -445,15 +445,18 @@ typedef BOOL (APIENTRY * wglSetPbufferAttribARBPROC) (HPBUFFERARB hPbuffer, cons
 #define GL_TEXTURE_FLOAT_COMPONENTS_NV				0x888C
 #define GL_FLOAT_CLEAR_COLOR_VALUE_NV				0x888D
 #define GL_FLOAT_RGBA_MODE_NV					0x888E
-#define GL_FLOAT_COMPONENTS_NV					0x20B0
-#define GL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV			0x20B1
-#define GL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV		0x20B2
-#define GL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV		0x20B3
-#define GL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV		0x20B4
-#define GL_TEXTURE_FLOAT_R_NV					0x20B5
-#define GL_TEXTURE_FLOAT_RG_NV					0x20B6
-#define GL_TEXTURE_FLOAT_RGB_NV					0x20B7
-#define GL_TEXTURE_FLOAT_RGBA_NV				0x20B8
+#endif
+#ifndef GLX_NV_float_buffer
+#define GLX_NV_float_buffer 1
+#define GLX_FLOAT_COMPONENTS_NV					0x20B0
+#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV		0x20B1
+#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV		0x20B2
+#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV		0x20B3
+#define GLX_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV		0x20B4
+#define GLX_TEXTURE_FLOAT_R_NV					0x20B5
+#define GLX_TEXTURE_FLOAT_RG_NV					0x20B6
+#define GLX_TEXTURE_FLOAT_RGB_NV				0x20B7
+#define GLX_TEXTURE_FLOAT_RGBA_NV				0x20B8
 #endif
 
 
-- 
2.39.5