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