src/mesa/main/image.h

   1 /* $Id: image.h,v 1.9 2000/05/10 14:39:53 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  *
   7  * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 #ifndef IMAGE_H
  29 #define IMAGE_H
  30
  31
  32 #include "types.h"
  33
  34
  35 extern const struct gl_pixelstore_attrib _mesa_native_packing;
  36
  37
  38 extern void
  39 _mesa_swap2( GLushort *p, GLuint n );
  40
  41 extern void
  42 _mesa_swap4( GLuint *p, GLuint n );
  43
  44 extern GLint
  45 _mesa_sizeof_type( GLenum type );
  46
  47 extern GLint
  48 _mesa_sizeof_packed_type( GLenum type );
  49
  50 extern GLint
  51 _mesa_components_in_format( GLenum format );
  52
  53 extern GLint
  54 _mesa_bytes_per_pixel( GLenum format, GLenum type );
  55
  56 extern GLboolean
  57 _mesa_is_legal_format_and_type( GLenum format, GLenum type );
  58
  59
  60 extern GLvoid *
  61 _mesa_image_address( const struct gl_pixelstore_attrib *packing,
  62                      const GLvoid *image, GLsizei width,
  63                      GLsizei height, GLenum format, GLenum type,
  64                      GLint img, GLint row, GLint column );
  65
  66
  67 extern GLint
  68 _mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
  69                         GLint width, GLenum format, GLenum type );
  70
  71
  72 extern void
  73 _mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
  74                               const struct gl_pixelstore_attrib *unpacking );
  75
  76
  77 extern void
  78 _mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
  79                             const struct gl_pixelstore_attrib *packing );
  80
  81
  82 extern void
  83 _mesa_pack_rgba_span( GLcontext *ctx,
  84                       GLuint n, CONST GLubyte rgba[][4],
  85                       GLenum format, GLenum type, GLvoid *dest,
  86                       const struct gl_pixelstore_attrib *packing,
  87                       GLboolean applyTransferOps );
  88
  89
  90 extern void
  91 _mesa_unpack_ubyte_color_span( GLcontext *ctx,
  92                                GLuint n, GLenum dstFormat, GLubyte dest[],
  93                                GLenum srcFormat, GLenum srcType,
  94                                const GLvoid *source,
  95                                const struct gl_pixelstore_attrib *unpacking,
  96                                GLboolean applyTransferOps );
  97
  98
  99 extern void
 100 _mesa_unpack_float_color_span( GLcontext *ctx,
 101                                GLuint n, GLenum dstFormat, GLfloat dest[],
 102                                GLenum srcFormat, GLenum srcType,
 103                                const GLvoid *source,
 104                                const struct gl_pixelstore_attrib *unpacking,
 105                                GLboolean applyTransferOps, GLboolean clamp );
 106
 107
 108 extern void
 109 _mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
 110                          GLenum dstType, GLvoid *dest,
 111                          GLenum srcType, const GLvoid *source,
 112                          const struct gl_pixelstore_attrib *unpacking,
 113                          GLboolean applyTransferOps );
 114
 115
 116 extern void
 117 _mesa_unpack_stencil_span( const GLcontext *ctx, GLuint n,
 118                            GLenum dstType, GLvoid *dest,
 119                            GLenum srcType, const GLvoid *source,
 120                            const struct gl_pixelstore_attrib *unpacking,
 121                            GLboolean applyTransferOps );
 122
 123
 124 extern void
 125 _mesa_unpack_depth_span( const GLcontext *ctx, GLuint n, GLdepth *dest,
 126                          GLenum srcType, const GLvoid *source,
 127                          const struct gl_pixelstore_attrib *unpacking,
 128                          GLboolean applyTransferOps );
 129
 130
 131 extern void *
 132 _mesa_unpack_image( GLsizei width, GLsizei height, GLsizei depth,
 133                     GLenum format, GLenum type, const GLvoid *pixels,
 134                     const struct gl_pixelstore_attrib *unpack );
 135
 136
 137 extern GLvoid *
 138 _mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
 139                      const struct gl_pixelstore_attrib *packing );
 140
 141 extern void
 142 _mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
 143                    GLubyte *dest, const struct gl_pixelstore_attrib *packing );
 144
 145
 146 #endif