1 /* $Id: image.h,v 1.5 1997/09/27 00:15:39 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.5 6 * Copyright (C) 1995-1997 Brian Paul 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the Free 20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 24 /* 25 * $Log: image.h,v $ 26 * Revision 1.5 1997/09/27 00:15:39 brianp 27 * changed parameters to gl_unpack_image() 28 * 29 * Revision 1.4 1997/02/09 20:05:03 brianp 30 * new arguments for gl_pixel_addr_in_image() 31 * 32 * Revision 1.3 1997/02/09 18:52:53 brianp 33 * added GL_EXT_texture3D support 34 * 35 * Revision 1.2 1996/11/06 04:22:23 brianp 36 * changed gl_unpack_image() components argument to srcFormat 37 * 38 * Revision 1.1 1996/09/13 01:38:16 brianp 39 * Initial revision 40 * 41 */ 42 43 44 #ifndef IMAGE_H 45 #define IMAGE_H 46 47 48 #include "types.h" 49 50 51 extern void gl_flip_bytes( GLubyte *p, GLuint n ); 52 53 54 extern void gl_swap2( GLushort *p, GLuint n ); 55 56 extern void gl_swap4( GLuint *p, GLuint n ); 57 58 59 extern GLint gl_sizeof_type( GLenum type ); 60 61 62 extern GLint gl_components_in_format( GLenum format ); 63 64 65 extern GLvoid *gl_pixel_addr_in_image( struct gl_pixelstore_attrib *packing, 66 const GLvoid *image, GLsizei width, 67 GLsizei height, GLenum format, GLenum type, 68 GLint row); 69 70 71 extern struct gl_image *gl_unpack_image( GLcontext *ctx, 72 GLint width, GLint height, 73 GLenum srcFormat, GLenum srcType, 74 const GLvoid *pixels ); 75 76 77 extern void gl_free_image( struct gl_image *image ); 78 79 80 #endif 81