#define GL_CLAMP_TO_EDGE 0x812F
#endif
+//GL_ATI_separate_stencil
+extern int gl_support_separatestencil;
+#ifndef GL_STENCIL_BACK_FUNC
+#define GL_STENCIL_BACK_FUNC 0x8800
+#define GL_STENCIL_BACK_FAIL 0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803
+#endif
+extern void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
+extern void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
+
//GL_EXT_stencil_two_side
#define GL_STENCIL_TEST_TWO_SIDE_EXT 0x8910
#define GL_ACTIVE_STENCIL_FACE_EXT 0x8911