make headers include headers they depend on, don't rely on the c(xx)

[simgear.git] / simgear / screen / extensions.hxx

diff --git a/simgear/screen/extensions.hxx b/simgear/screen/extensions.hxx
index 96439ad04f7e5966bf9621b342b847eae188a3d9..aa5dd3c7626c6472c34a6e4222bf559d69a4cfc4 100644 (file)
--- a/simgear/screen/extensions.hxx
+++ b/simgear/screen/extensions.hxx
@@ -465,6 +465,18 @@ typedef void (*glXQueryDrawableProc) (Display *, GLXDrawable, int, unsigned int
 #define GL_MAX_RECTANGLE_TEXTURE_SIZE_NV                       0x84F8
 #endif
 
+/*
+ * NV_texture_rectangle
+ */
+
+#ifndef GL_EXT_texture_rectangle
+#define GL_EXT_texture_rectangle 1
+#define GL_TEXTURE_RECTANGLE_EXT                               0x84F5
+#define GL_TEXTURE_BINDING_RECTANGLE_EXT                       0x84F6
+#define GL_PROXY_TEXTURE_RECTANGLE_EXT                         0x84F7
+#define GL_MAX_RECTANGLE_TEXTURE_SIZE_EXT                      0x84F8
+#endif
+
 /*
  * WGL_NV_texture_rectangle
  */
@@ -586,6 +598,7 @@ typedef void (*glXQueryDrawableProc) (Display *, GLXDrawable, int, unsigned int
 
 #ifndef GL_VERSION_2_0
 #define GL_POINT_SPRITE                   0x8861
+#define GL_COORD_REPLACE                  0x8862
 #endif
 
 /*