| GL_NV_pixel_data_range | |
| http://oss.sgi.com/projects/ogl-sample/registry/NV/pixel_data_range.txt | |
| GL_WRITE_PIXEL_DATA_RANGE_NV 0x8878 | |
| GL_READ_PIXEL_DATA_RANGE_NV 0x8879 | |
| GL_WRITE_PIXEL_DATA_RANGE_LENGTH_NV 0x887A | |
| GL_READ_PIXEL_DATA_RANGE_LENGTH_NV 0x887B | |
| GL_WRITE_PIXEL_DATA_RANGE_POINTER_NV 0x887C | |
| GL_READ_PIXEL_DATA_RANGE_POINTER_NV 0x887D | |
| void glFlushPixelDataRangeNV (GLenum target) | |
| void glPixelDataRangeNV (GLenum target, GLsizei length, void* pointer) |