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