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 extern GLuint
 111 _mesa_tex_target_to_face(GLenum target);
 112
 113
 114 extern GLboolean
 115 _mesa_is_color_format(GLenum format);
 116
 117
 118 /**
 119  * Lock a texture for updating.  See also _mesa_lock_context_textures().
 120  */
 121 static INLINE void
 122 _mesa_lock_texture(GLcontext *ctx, struct gl_texture_object *texObj)
 123 {
 124    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 125    ctx->Shared->TextureStateStamp++;
 126    (void) texObj;
 127 }
 128
 129 static INLINE void
 130 _mesa_unlock_texture(GLcontext *ctx, struct gl_texture_object *texObj)
 131 {
 132    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 133 }
 134
 135 /*@}*/
 136
 137
 138 /** \name API entry point functions */
 139 /*@{*/
 140
 141 extern void GLAPIENTRY
 142 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 143                   GLsizei width, GLint border,
 144                   GLenum format, GLenum type, const GLvoid *pixels );
 145
 146
 147 extern void GLAPIENTRY
 148 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 149                   GLsizei width, GLsizei height, GLint border,
 150                   GLenum format, GLenum type, const GLvoid *pixels );
 151
 152
 153 extern void GLAPIENTRY
 154 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 155                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 156                   GLenum format, GLenum type, const GLvoid *pixels );
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 161                      GLsizei width, GLsizei height, GLsizei depth,
 162                      GLint border, GLenum format, GLenum type,
 163                      const GLvoid *pixels );
 164
 165
 166 extern void GLAPIENTRY
 167 _mesa_GetTexImage( GLenum target, GLint level,
 168                    GLenum format, GLenum type, GLvoid *pixels );
 169
 170
 171 extern void GLAPIENTRY
 172 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 173                      GLsizei width,
 174                      GLenum format, GLenum type,
 175                      const GLvoid *pixels );
 176
 177
 178 extern void GLAPIENTRY
 179 _mesa_TexSubImage2D( GLenum target, GLint level,
 180                      GLint xoffset, GLint yoffset,
 181                      GLsizei width, GLsizei height,
 182                      GLenum format, GLenum type,
 183                      const GLvoid *pixels );
 184
 185
 186 extern void GLAPIENTRY
 187 _mesa_TexSubImage3D( GLenum target, GLint level,
 188                      GLint xoffset, GLint yoffset, GLint zoffset,
 189                      GLsizei width, GLsizei height, GLsizei depth,
 190                      GLenum format, GLenum type,
 191                      const GLvoid *pixels );
 192
 193
 194 extern void GLAPIENTRY
 195 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 196                       GLint x, GLint y, GLsizei width, GLint border );
 197
 198
 199 extern void GLAPIENTRY
 200 _mesa_CopyTexImage2D( GLenum target, GLint level,
 201                       GLenum internalformat, GLint x, GLint y,
 202                       GLsizei width, GLsizei height, GLint border );
 203
 204
 205 extern void GLAPIENTRY
 206 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 207                          GLint x, GLint y, GLsizei width );
 208
 209
 210 extern void GLAPIENTRY
 211 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 212                          GLint xoffset, GLint yoffset,
 213                          GLint x, GLint y, GLsizei width, GLsizei height );
 214
 215
 216 extern void GLAPIENTRY
 217 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 218                          GLint xoffset, GLint yoffset, GLint zoffset,
 219                          GLint x, GLint y, GLsizei width, GLsizei height );
 220
 221
 222
 223 extern void GLAPIENTRY
 224 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 225                               GLenum internalformat, GLsizei width,
 226                               GLint border, GLsizei imageSize,
 227                               const GLvoid *data);
 228
 229 extern void GLAPIENTRY
 230 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 231                               GLenum internalformat, GLsizei width,
 232                               GLsizei height, GLint border, GLsizei imageSize,
 233                               const GLvoid *data);
 234
 235 extern void GLAPIENTRY
 236 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 237                               GLenum internalformat, GLsizei width,
 238                               GLsizei height, GLsizei depth, GLint border,
 239                               GLsizei imageSize, const GLvoid *data);
 240
 241 #ifdef VMS
 242 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 243 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 244 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 245 #endif
 246 extern void GLAPIENTRY
 247 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 248                                  GLsizei width, GLenum format,
 249                                  GLsizei imageSize, const GLvoid *data);
 250
 251 extern void GLAPIENTRY
 252 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 253                                  GLint yoffset, GLsizei width, GLsizei height,
 254                                  GLenum format, GLsizei imageSize,
 255                                  const GLvoid *data);
 256
 257 extern void GLAPIENTRY
 258 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 259                                  GLint yoffset, GLint zoffset, GLsizei width,
 260                                  GLsizei height, GLsizei depth, GLenum format,
 261                                  GLsizei imageSize, const GLvoid *data);
 262
 263 extern void GLAPIENTRY
 264 _mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img);
 265
 266 /*@}*/
 267
 268 #endif