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 /* Lock a texture for updating.  See also _mesa_lock_context_textures().
 111  */
 112 static INLINE void _mesa_lock_texture(GLcontext *ctx,
 113                                       struct gl_texture_object *texObj)
 114 {
 115    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 116    ctx->Shared->TextureStateStamp++;
 117    (void) texObj;
 118 }
 119
 120 static INLINE void _mesa_unlock_texture(GLcontext *ctx,
 121                                         struct gl_texture_object *texObj)
 122 {
 123    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 124 }
 125
 126 /*@}*/
 127
 128
 129 /** \name API entry point functions */
 130 /*@{*/
 131
 132 extern void GLAPIENTRY
 133 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 134                   GLsizei width, GLint border,
 135                   GLenum format, GLenum type, const GLvoid *pixels );
 136
 137
 138 extern void GLAPIENTRY
 139 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 140                   GLsizei width, GLsizei height, GLint border,
 141                   GLenum format, GLenum type, const GLvoid *pixels );
 142
 143
 144 extern void GLAPIENTRY
 145 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 146                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 147                   GLenum format, GLenum type, const GLvoid *pixels );
 148
 149
 150 extern void GLAPIENTRY
 151 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 152                      GLsizei width, GLsizei height, GLsizei depth,
 153                      GLint border, GLenum format, GLenum type,
 154                      const GLvoid *pixels );
 155
 156
 157 extern void GLAPIENTRY
 158 _mesa_GetTexImage( GLenum target, GLint level,
 159                    GLenum format, GLenum type, GLvoid *pixels );
 160
 161
 162 extern void GLAPIENTRY
 163 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 164                      GLsizei width,
 165                      GLenum format, GLenum type,
 166                      const GLvoid *pixels );
 167
 168
 169 extern void GLAPIENTRY
 170 _mesa_TexSubImage2D( GLenum target, GLint level,
 171                      GLint xoffset, GLint yoffset,
 172                      GLsizei width, GLsizei height,
 173                      GLenum format, GLenum type,
 174                      const GLvoid *pixels );
 175
 176
 177 extern void GLAPIENTRY
 178 _mesa_TexSubImage3D( GLenum target, GLint level,
 179                      GLint xoffset, GLint yoffset, GLint zoffset,
 180                      GLsizei width, GLsizei height, GLsizei depth,
 181                      GLenum format, GLenum type,
 182                      const GLvoid *pixels );
 183
 184
 185 extern void GLAPIENTRY
 186 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 187                       GLint x, GLint y, GLsizei width, GLint border );
 188
 189
 190 extern void GLAPIENTRY
 191 _mesa_CopyTexImage2D( GLenum target, GLint level,
 192                       GLenum internalformat, GLint x, GLint y,
 193                       GLsizei width, GLsizei height, GLint border );
 194
 195
 196 extern void GLAPIENTRY
 197 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 198                          GLint x, GLint y, GLsizei width );
 199
 200
 201 extern void GLAPIENTRY
 202 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 203                          GLint xoffset, GLint yoffset,
 204                          GLint x, GLint y, GLsizei width, GLsizei height );
 205
 206
 207 extern void GLAPIENTRY
 208 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 209                          GLint xoffset, GLint yoffset, GLint zoffset,
 210                          GLint x, GLint y, GLsizei width, GLsizei height );
 211
 212
 213
 214 extern void GLAPIENTRY
 215 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 216                               GLenum internalformat, GLsizei width,
 217                               GLint border, GLsizei imageSize,
 218                               const GLvoid *data);
 219
 220 extern void GLAPIENTRY
 221 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 222                               GLenum internalformat, GLsizei width,
 223                               GLsizei height, GLint border, GLsizei imageSize,
 224                               const GLvoid *data);
 225
 226 extern void GLAPIENTRY
 227 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 228                               GLenum internalformat, GLsizei width,
 229                               GLsizei height, GLsizei depth, GLint border,
 230                               GLsizei imageSize, const GLvoid *data);
 231
 232 #ifdef VMS
 233 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 234 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 235 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 236 #endif
 237 extern void GLAPIENTRY
 238 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 239                                  GLsizei width, GLenum format,
 240                                  GLsizei imageSize, const GLvoid *data);
 241
 242 extern void GLAPIENTRY
 243 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 244                                  GLint yoffset, GLsizei width, GLsizei height,
 245                                  GLenum format, GLsizei imageSize,
 246                                  const GLvoid *data);
 247
 248 extern void GLAPIENTRY
 249 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 250                                  GLint yoffset, GLint zoffset, GLsizei width,
 251                                  GLsizei height, GLsizei depth, GLenum format,
 252                                  GLsizei imageSize, const GLvoid *data);
 253
 254 extern void GLAPIENTRY
 255 _mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img);
 256
 257 /*@}*/
 258
 259 #endif