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 #include "formats.h"
  37
  38
  39 extern void *
  40 _mesa_alloc_texmemory(GLsizei bytes);
  41
  42 extern void
  43 _mesa_free_texmemory(void *m);
  44
  45
  46 /** \name Internal functions */
  47 /*@{*/
  48
  49 extern GLint
  50 _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
  51
  52
  53 extern GLboolean
  54 _mesa_is_proxy_texture(GLenum target);
  55
  56
  57 extern struct gl_texture_image *
  58 _mesa_new_texture_image( struct gl_context *ctx );
  59
  60
  61 extern void
  62 _mesa_delete_texture_image( struct gl_context *ctx, struct gl_texture_image *teximage );
  63
  64 extern void
  65 _mesa_free_texture_image_data( struct gl_context *ctx,
  66                                struct gl_texture_image *texImage );
  67
  68
  69 extern void
  70 _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
  71                            struct gl_texture_image *img,
  72                            GLsizei width, GLsizei height, GLsizei depth,
  73                            GLint border, GLenum internalFormat,
  74                            gl_format format);
  75
  76
  77 extern gl_format
  78 _mesa_choose_texture_format(struct gl_context *ctx,
  79                             struct gl_texture_object *texObj,
  80                             GLenum target, GLint level,
  81                             GLenum internalFormat, GLenum format, GLenum type);
  82
  83
  84 extern void
  85 _mesa_clear_texture_image(struct gl_context *ctx, struct gl_texture_image *texImage);
  86
  87
  88 extern void
  89 _mesa_set_tex_image(struct gl_texture_object *tObj,
  90                     GLenum target, GLint level,
  91                     struct gl_texture_image *texImage);
  92
  93
  94 extern struct gl_texture_object *
  95 _mesa_select_tex_object(struct gl_context *ctx, const struct gl_texture_unit *texUnit,
  96                         GLenum target);
  97
  98 extern struct gl_texture_object *
  99 _mesa_get_current_tex_object(struct gl_context *ctx, GLenum target);
 100
 101
 102 extern struct gl_texture_image *
 103 _mesa_select_tex_image(struct gl_context *ctx, const struct gl_texture_object *texObj,
 104                        GLenum target, GLint level);
 105
 106
 107 extern struct gl_texture_image *
 108 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
 109                     GLenum target, GLint level);
 110
 111
 112 extern struct gl_texture_image *
 113 _mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level);
 114
 115
 116 extern GLint
 117 _mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
 118
 119
 120 extern GLboolean
 121 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
 122                          GLint internalFormat, GLenum format, GLenum type,
 123                          GLint width, GLint height, GLint depth, GLint border);
 124
 125
 126 extern GLuint
 127 _mesa_tex_target_to_face(GLenum target);
 128
 129
 130 /**
 131  * Lock a texture for updating.  See also _mesa_lock_context_textures().
 132  */
 133 static INLINE void
 134 _mesa_lock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 135 {
 136    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 137    ctx->Shared->TextureStateStamp++;
 138    (void) texObj;
 139 }
 140
 141 static INLINE void
 142 _mesa_unlock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 143 {
 144    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 145 }
 146
 147 /*@}*/
 148
 149
 150 /** \name API entry point functions */
 151 /*@{*/
 152
 153 extern void GLAPIENTRY
 154 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 155                   GLsizei width, GLint border,
 156                   GLenum format, GLenum type, const GLvoid *pixels );
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 161                   GLsizei width, GLsizei height, GLint border,
 162                   GLenum format, GLenum type, const GLvoid *pixels );
 163
 164
 165 extern void GLAPIENTRY
 166 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 167                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 168                   GLenum format, GLenum type, const GLvoid *pixels );
 169
 170
 171 extern void GLAPIENTRY
 172 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 173                      GLsizei width, GLsizei height, GLsizei depth,
 174                      GLint border, GLenum format, GLenum type,
 175                      const GLvoid *pixels );
 176
 177 extern void GLAPIENTRY
 178 _mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
 179
 180 extern void GLAPIENTRY
 181 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 182                      GLsizei width,
 183                      GLenum format, GLenum type,
 184                      const GLvoid *pixels );
 185
 186
 187 extern void GLAPIENTRY
 188 _mesa_TexSubImage2D( GLenum target, GLint level,
 189                      GLint xoffset, GLint yoffset,
 190                      GLsizei width, GLsizei height,
 191                      GLenum format, GLenum type,
 192                      const GLvoid *pixels );
 193
 194
 195 extern void GLAPIENTRY
 196 _mesa_TexSubImage3D( GLenum target, GLint level,
 197                      GLint xoffset, GLint yoffset, GLint zoffset,
 198                      GLsizei width, GLsizei height, GLsizei depth,
 199                      GLenum format, GLenum type,
 200                      const GLvoid *pixels );
 201
 202
 203 extern void GLAPIENTRY
 204 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 205                       GLint x, GLint y, GLsizei width, GLint border );
 206
 207
 208 extern void GLAPIENTRY
 209 _mesa_CopyTexImage2D( GLenum target, GLint level,
 210                       GLenum internalformat, GLint x, GLint y,
 211                       GLsizei width, GLsizei height, GLint border );
 212
 213
 214 extern void GLAPIENTRY
 215 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 216                          GLint x, GLint y, GLsizei width );
 217
 218
 219 extern void GLAPIENTRY
 220 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 221                          GLint xoffset, GLint yoffset,
 222                          GLint x, GLint y, GLsizei width, GLsizei height );
 223
 224
 225 extern void GLAPIENTRY
 226 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 227                          GLint xoffset, GLint yoffset, GLint zoffset,
 228                          GLint x, GLint y, GLsizei width, GLsizei height );
 229
 230
 231
 232 extern void GLAPIENTRY
 233 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 234                               GLenum internalformat, GLsizei width,
 235                               GLint border, GLsizei imageSize,
 236                               const GLvoid *data);
 237
 238 extern void GLAPIENTRY
 239 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 240                               GLenum internalformat, GLsizei width,
 241                               GLsizei height, GLint border, GLsizei imageSize,
 242                               const GLvoid *data);
 243
 244 extern void GLAPIENTRY
 245 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 246                               GLenum internalformat, GLsizei width,
 247                               GLsizei height, GLsizei depth, GLint border,
 248                               GLsizei imageSize, const GLvoid *data);
 249
 250 #ifdef VMS
 251 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 252 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 253 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 254 #endif
 255 extern void GLAPIENTRY
 256 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 257                                  GLsizei width, GLenum format,
 258                                  GLsizei imageSize, const GLvoid *data);
 259
 260 extern void GLAPIENTRY
 261 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 262                                  GLint yoffset, GLsizei width, GLsizei height,
 263                                  GLenum format, GLsizei imageSize,
 264                                  const GLvoid *data);
 265
 266 extern void GLAPIENTRY
 267 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 268                                  GLint yoffset, GLint zoffset, GLsizei width,
 269                                  GLsizei height, GLsizei depth, GLenum format,
 270                                  GLsizei imageSize, const GLvoid *data);
 271
 272 /*@}*/
 273
 274 #endif