1 /* $Id: pixel.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.0 6 * Copyright (C) 1995-1996 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: pixel.h,v $ 26 * Revision 1.1 1996/09/13 01:38:16 brianp 27 * Initial revision 28 * 29 */ 30 31 32 #ifndef PIXEL_H 33 #define PIXEL_H 34 35 36 #include "types.h" 37 38 39 extern void gl_GetPixelMapfv( GLcontext *ctx, GLenum map, GLfloat *values ); 40 41 extern void gl_GetPixelMapuiv( GLcontext *ctx, GLenum map, GLuint *values ); 42 43 extern void gl_GetPixelMapusv( GLcontext *ctx, GLenum map, GLushort *values ); 44 45 46 extern void gl_PixelMapfv( GLcontext *ctx, 47 GLenum map, GLint mapsize, const GLfloat *values ); 48 49 extern void gl_PixelStorei( GLcontext *ctx, GLenum pname, GLint param ); 50 51 extern void gl_PixelTransferf( GLcontext *ctx, GLenum pname, GLfloat param ); 52 53 extern void gl_PixelZoom( GLcontext *ctx, GLfloat xfactor, GLfloat yfactor ); 54 55 56 extern GLvoid *gl_unpack_pixels( GLcontext *ctx, 57 GLsizei width, GLsizei height, 58 GLenum format, GLenum type, 59 const GLvoid *pixels ); 60 61 62 extern void 63 gl_write_zoomed_color_span( GLcontext *ctx, 64 GLuint n, GLint x, GLint y, const GLdepth z[], 65 const GLubyte red[], const GLubyte green[], 66 const GLubyte blue[], const GLubyte alpha[], 67 GLint y0 ); 68 69 70 extern void 71 gl_write_zoomed_index_span( GLcontext *ctx, 72 GLuint n, GLint x, GLint y, const GLdepth z[], 73 const GLuint indexes[], GLint y0 ); 74 75 76 extern void 77 gl_write_zoomed_stencil_span( GLcontext *ctx, 78 GLuint n, GLint x, GLint y, 79 const GLubyte stencil[], GLint y0 ); 80 81 82 #endif 83 84