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