#define GL_CLAMP_TO_EDGE 0x812F
#endif
+//GL_NV_vertex_array_range
+extern GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
+extern GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
+extern GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
+extern GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
+#define GL_VERTEX_ARRAY_RANGE_NV 0x851D
+#define GL_VERTEX_ARRAY_RANGE_LENGTH_NV 0x851E
+#define GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV 0x8520
+#define GL_VERTEX_ARRAY_RANGE_POINTER_NV 0x8521
+extern int gl_support_var;
+
+//GL_NV_vertex_array_range2
+#define GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV 0x8533
+extern int gl_support_var2;
+
+
extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);