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 /** Is the given value one of the 6 cube faces? */
  40 static inline GLboolean
  41 _mesa_is_cube_face(GLenum target)
  42 {
  43    return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
  44            target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB);
  45 }
  46
  47
  48
  49 /** \name Internal functions */
  50 /*@{*/
  51
  52 extern GLint
  53 _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
  54
  55
  56 extern GLboolean
  57 _mesa_is_proxy_texture(GLenum target);
  58
  59
  60 extern struct gl_texture_image *
  61 _mesa_new_texture_image( struct gl_context *ctx );
  62
  63
  64 extern void
  65 _mesa_delete_texture_image( 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,
  86                           struct gl_texture_image *texImage);
  87
  88
  89 extern void
  90 _mesa_set_tex_image(struct gl_texture_object *tObj,
  91                     GLenum target, GLint level,
  92                     struct gl_texture_image *texImage);
  93
  94
  95 extern struct gl_texture_object *
  96 _mesa_select_tex_object(struct gl_context *ctx,
  97                         const struct gl_texture_unit *texUnit,
  98                         GLenum target);
  99
 100 extern struct gl_texture_object *
 101 _mesa_get_current_tex_object(struct gl_context *ctx, GLenum target);
 102
 103
 104 extern struct gl_texture_image *
 105 _mesa_select_tex_image(struct gl_context *ctx,
 106                        const struct gl_texture_object *texObj,
 107                        GLenum target, GLint level);
 108
 109
 110 extern struct gl_texture_image *
 111 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
 112                     GLenum target, GLint level);
 113
 114
 115 extern struct gl_texture_image *
 116 _mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level);
 117
 118
 119 extern GLint
 120 _mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
 121
 122
 123 extern GLboolean
 124 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
 125                          GLint internalFormat, GLenum format, GLenum type,
 126                          GLint width, GLint height, GLint depth, GLint border);
 127
 128
 129 extern GLuint
 130 _mesa_tex_target_to_face(GLenum target);
 131
 132 extern GLint
 133 _mesa_get_texture_dimensions(GLenum target);
 134
 135 /**
 136  * Lock a texture for updating.  See also _mesa_lock_context_textures().
 137  */
 138 static inline void
 139 _mesa_lock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 140 {
 141    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 142    ctx->Shared->TextureStateStamp++;
 143    (void) texObj;
 144 }
 145
 146 static inline void
 147 _mesa_unlock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 148 {
 149    (void) texObj;
 150    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 151 }
 152
 153 /*@}*/
 154
 155
 156 /** \name API entry point functions */
 157 /*@{*/
 158
 159 extern void GLAPIENTRY
 160 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 161                   GLsizei width, GLint border,
 162                   GLenum format, GLenum type, const GLvoid *pixels );
 163
 164
 165 extern void GLAPIENTRY
 166 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 167                   GLsizei width, GLsizei height, GLint border,
 168                   GLenum format, GLenum type, const GLvoid *pixels );
 169
 170
 171 extern void GLAPIENTRY
 172 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 173                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 174                   GLenum format, GLenum type, const GLvoid *pixels );
 175
 176
 177 extern void GLAPIENTRY
 178 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 179                      GLsizei width, GLsizei height, GLsizei depth,
 180                      GLint border, GLenum format, GLenum type,
 181                      const GLvoid *pixels );
 182
 183 extern void GLAPIENTRY
 184 _mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
 185
 186 extern void GLAPIENTRY
 187 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 188                      GLsizei width,
 189                      GLenum format, GLenum type,
 190                      const GLvoid *pixels );
 191
 192
 193 extern void GLAPIENTRY
 194 _mesa_TexSubImage2D( GLenum target, GLint level,
 195                      GLint xoffset, GLint yoffset,
 196                      GLsizei width, GLsizei height,
 197                      GLenum format, GLenum type,
 198                      const GLvoid *pixels );
 199
 200
 201 extern void GLAPIENTRY
 202 _mesa_TexSubImage3D( GLenum target, GLint level,
 203                      GLint xoffset, GLint yoffset, GLint zoffset,
 204                      GLsizei width, GLsizei height, GLsizei depth,
 205                      GLenum format, GLenum type,
 206                      const GLvoid *pixels );
 207
 208
 209 extern void GLAPIENTRY
 210 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 211                       GLint x, GLint y, GLsizei width, GLint border );
 212
 213
 214 extern void GLAPIENTRY
 215 _mesa_CopyTexImage2D( GLenum target, GLint level,
 216                       GLenum internalformat, GLint x, GLint y,
 217                       GLsizei width, GLsizei height, GLint border );
 218
 219
 220 extern void GLAPIENTRY
 221 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 222                          GLint x, GLint y, GLsizei width );
 223
 224
 225 extern void GLAPIENTRY
 226 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 227                          GLint xoffset, GLint yoffset,
 228                          GLint x, GLint y, GLsizei width, GLsizei height );
 229
 230
 231 extern void GLAPIENTRY
 232 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 233                          GLint xoffset, GLint yoffset, GLint zoffset,
 234                          GLint x, GLint y, GLsizei width, GLsizei height );
 235
 236
 237
 238 extern void GLAPIENTRY
 239 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 240                               GLenum internalformat, GLsizei width,
 241                               GLint border, GLsizei imageSize,
 242                               const GLvoid *data);
 243
 244 extern void GLAPIENTRY
 245 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 246                               GLenum internalformat, GLsizei width,
 247                               GLsizei height, GLint border, GLsizei imageSize,
 248                               const GLvoid *data);
 249
 250 extern void GLAPIENTRY
 251 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 252                               GLenum internalformat, GLsizei width,
 253                               GLsizei height, GLsizei depth, GLint border,
 254                               GLsizei imageSize, const GLvoid *data);
 255
 256 #ifdef VMS
 257 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 258 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 259 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 260 #endif
 261 extern void GLAPIENTRY
 262 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 263                                  GLsizei width, GLenum format,
 264                                  GLsizei imageSize, const GLvoid *data);
 265
 266 extern void GLAPIENTRY
 267 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 268                                  GLint yoffset, GLsizei width, GLsizei height,
 269                                  GLenum format, GLsizei imageSize,
 270                                  const GLvoid *data);
 271
 272 extern void GLAPIENTRY
 273 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 274                                  GLint yoffset, GLint zoffset, GLsizei width,
 275                                  GLsizei height, GLsizei depth, GLenum format,
 276                                  GLsizei imageSize, const GLvoid *data);
 277
 278
 279 extern void GLAPIENTRY
 280 _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer);
 281
 282
 283 /*@}*/
 284
 285 #endif