#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