src/mesa/main/teximage.h

   1 /**
   2  * \file teximage.h
   3  * Texture images manipulation functions.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  * Version:  6.5
   9  *
  10  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice shall be included
  20  * in all copies or substantial portions of the Software.
  21  *
  22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  25  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  26  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  27  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  */
  29
  30
  31 #ifndef TEXIMAGE_H
  32 #define TEXIMAGE_H
  33
  34
  35 #include "mtypes.h"
  36
  37
  38 extern void *
  39 _mesa_alloc_texmemory(GLsizei bytes);
  40
  41 extern void
  42 _mesa_free_texmemory(void *m);
  43
  44
  45 /** \name Internal functions */
  46 /*@{*/
  47
  48 extern GLint
  49 _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat );
  50
  51
  52 extern GLboolean
  53 _mesa_is_proxy_texture(GLenum target);
  54
  55
  56 extern struct gl_texture_image *
  57 _mesa_new_texture_image( GLcontext *ctx );
  58
  59
  60 extern void
  61 _mesa_delete_texture_image( GLcontext *ctx, struct gl_texture_image *teximage );
  62
  63 extern void
  64 _mesa_free_texture_image_data( GLcontext *ctx,
  65                                struct gl_texture_image *texImage );
  66
  67
  68 extern void
  69 _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
  70                            struct gl_texture_image *img,
  71                            GLsizei width, GLsizei height, GLsizei depth,
  72                            GLint border, GLenum internalFormat);
  73
  74
  75 extern void
  76 _mesa_set_tex_image(struct gl_texture_object *tObj,
  77                     GLenum target, GLint level,
  78                     struct gl_texture_image *texImage);
  79
  80
  81 extern struct gl_texture_object *
  82 _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
  83                         GLenum target);
  84
  85
  86 extern struct gl_texture_image *
  87 _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_object *texObj,
  88                        GLenum target, GLint level);
  89
  90
  91 extern struct gl_texture_image *
  92 _mesa_get_tex_image(GLcontext *ctx, struct gl_texture_object *texObj,
  93                     GLenum target, GLint level);
  94
  95
  96 extern struct gl_texture_image *
  97 _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level);
  98
  99
 100 extern GLint
 101 _mesa_max_texture_levels(GLcontext *ctx, GLenum target);
 102
 103
 104 extern GLboolean
 105 _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
 106                          GLint internalFormat, GLenum format, GLenum type,
 107                          GLint width, GLint height, GLint depth, GLint border);
 108
 109
 110 /**
 111  * Lock a texture for updating.  See also _mesa_lock_context_textures().
 112  */
 113 static INLINE void
 114 _mesa_lock_texture(GLcontext *ctx, struct gl_texture_object *texObj)
 115 {
 116    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 117    ctx->Shared->TextureStateStamp++;
 118    (void) texObj;
 119 }
 120
 121 static INLINE void
 122 _mesa_unlock_texture(GLcontext *ctx, struct gl_texture_object *texObj)
 123 {
 124    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 125 }
 126
 127 /*@}*/
 128
 129
 130 /** \name API entry point functions */
 131 /*@{*/
 132
 133 extern void GLAPIENTRY
 134 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 135                   GLsizei width, GLint border,
 136                   GLenum format, GLenum type, const GLvoid *pixels );
 137
 138
 139 extern void GLAPIENTRY
 140 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 141                   GLsizei width, GLsizei height, GLint border,
 142                   GLenum format, GLenum type, const GLvoid *pixels );
 143
 144
 145 extern void GLAPIENTRY
 146 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 147                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 148                   GLenum format, GLenum type, const GLvoid *pixels );
 149
 150
 151 extern void GLAPIENTRY
 152 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 153                      GLsizei width, GLsizei height, GLsizei depth,
 154                      GLint border, GLenum format, GLenum type,
 155                      const GLvoid *pixels );
 156
 157
 158 extern void GLAPIENTRY
 159 _mesa_GetTexImage( GLenum target, GLint level,
 160                    GLenum format, GLenum type, GLvoid *pixels );
 161
 162
 163 extern void GLAPIENTRY
 164 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 165                      GLsizei width,
 166                      GLenum format, GLenum type,
 167                      const GLvoid *pixels );
 168
 169
 170 extern void GLAPIENTRY
 171 _mesa_TexSubImage2D( GLenum target, GLint level,
 172                      GLint xoffset, GLint yoffset,
 173                      GLsizei width, GLsizei height,
 174                      GLenum format, GLenum type,
 175                      const GLvoid *pixels );
 176
 177
 178 extern void GLAPIENTRY
 179 _mesa_TexSubImage3D( GLenum target, GLint level,
 180                      GLint xoffset, GLint yoffset, GLint zoffset,
 181                      GLsizei width, GLsizei height, GLsizei depth,
 182                      GLenum format, GLenum type,
 183                      const GLvoid *pixels );
 184
 185
 186 extern void GLAPIENTRY
 187 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 188                       GLint x, GLint y, GLsizei width, GLint border );
 189
 190
 191 extern void GLAPIENTRY
 192 _mesa_CopyTexImage2D( GLenum target, GLint level,
 193                       GLenum internalformat, GLint x, GLint y,
 194                       GLsizei width, GLsizei height, GLint border );
 195
 196
 197 extern void GLAPIENTRY
 198 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 199                          GLint x, GLint y, GLsizei width );
 200
 201
 202 extern void GLAPIENTRY
 203 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 204                          GLint xoffset, GLint yoffset,
 205                          GLint x, GLint y, GLsizei width, GLsizei height );
 206
 207
 208 extern void GLAPIENTRY
 209 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 210                          GLint xoffset, GLint yoffset, GLint zoffset,
 211                          GLint x, GLint y, GLsizei width, GLsizei height );
 212
 213
 214
 215 extern void GLAPIENTRY
 216 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 217                               GLenum internalformat, GLsizei width,
 218                               GLint border, GLsizei imageSize,
 219                               const GLvoid *data);
 220
 221 extern void GLAPIENTRY
 222 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 223                               GLenum internalformat, GLsizei width,
 224                               GLsizei height, GLint border, GLsizei imageSize,
 225                               const GLvoid *data);
 226
 227 extern void GLAPIENTRY
 228 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 229                               GLenum internalformat, GLsizei width,
 230                               GLsizei height, GLsizei depth, GLint border,
 231                               GLsizei imageSize, const GLvoid *data);
 232
 233 #ifdef VMS
 234 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 235 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 236 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 237 #endif
 238 extern void GLAPIENTRY
 239 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 240                                  GLsizei width, GLenum format,
 241                                  GLsizei imageSize, const GLvoid *data);
 242
 243 extern void GLAPIENTRY
 244 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 245                                  GLint yoffset, GLsizei width, GLsizei height,
 246                                  GLenum format, GLsizei imageSize,
 247                                  const GLvoid *data);
 248
 249 extern void GLAPIENTRY
 250 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 251                                  GLint yoffset, GLint zoffset, GLsizei width,
 252                                  GLsizei height, GLsizei depth, GLenum format,
 253                                  GLsizei imageSize, const GLvoid *data);
 254
 255 extern void GLAPIENTRY
 256 _mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img);
 257
 258 /*@}*/
 259
 260 #endif