#define GL_LUMINANCE_ALPHA16F_ARB 0x881F
#endif
+// GL_ARB_half_float_pixel
+#ifndef GL_HALF_FLOAT_ARB
+typedef unsigned short GLhalfARB;
+#define GL_HALF_FLOAT_ARB 0x140B
+#endif
+
// GL_EXT_texture_sRGB
#ifndef GL_SRGB_EXT
#define GL_SRGB_EXT 0x8C40
#define GL_QUERY_RESULT_AVAILABLE_ARB 0x8867
#endif
+// GL_ARB_query_buffer_object
+#ifndef GL_QUERY_BUFFER_ARB
+#define GL_QUERY_BUFFER_ARB 0x9192
+#define GL_QUERY_BUFFER_BINDING_ARB 0x9193
+#define GL_QUERY_RESULT_NO_WAIT_ARB 0x9194
+#define GL_QUERY_BUFFER_BARRIER_BIT_ARB 0x00008000
+#endif
+
// GL_EXT_bgr
#define GL_BGR 0x80E0