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  *
   9  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a
  12  * copy of this software and associated documentation files (the "Software"),
  13  * to deal in the Software without restriction, including without limitation
  14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  15  * and/or sell copies of the Software, and to permit persons to whom the
  16  * Software is furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included
  19  * in all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  27  * 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 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /** Is the given value one of the 6 cube faces? */
  43 static inline GLboolean
  44 _mesa_is_cube_face(GLenum target)
  45 {
  46    return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
  47            target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB);
  48 }
  49
  50 /** Are any of the dimensions of given texture equal to zero? */
  51 static inline GLboolean
  52 _mesa_is_zero_size_texture(const struct gl_texture_image *texImage)
  53 {
  54    return (texImage->Width == 0 ||
  55            texImage->Height == 0 ||
  56            texImage->Depth == 0);
  57 }
  58
  59 /** \name Internal functions */
  60 /*@{*/
  61
  62 extern GLint
  63 _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
  64
  65
  66 extern GLboolean
  67 _mesa_is_proxy_texture(GLenum target);
  68
  69 extern bool
  70 _mesa_is_array_texture(GLenum target);
  71
  72 extern struct gl_texture_image *
  73 _mesa_new_texture_image( struct gl_context *ctx );
  74
  75
  76 extern void
  77 _mesa_delete_texture_image( struct gl_context *ctx,
  78                             struct gl_texture_image *teximage );
  79
  80
  81 extern void
  82 _mesa_init_teximage_fields(struct gl_context *ctx,
  83                            struct gl_texture_image *img,
  84                            GLsizei width, GLsizei height, GLsizei depth,
  85                            GLint border, GLenum internalFormat,
  86                            mesa_format format);
  87
  88
  89 extern mesa_format
  90 _mesa_choose_texture_format(struct gl_context *ctx,
  91                             struct gl_texture_object *texObj,
  92                             GLenum target, GLint level,
  93                             GLenum internalFormat, GLenum format, GLenum type);
  94
  95 extern void
  96 _mesa_update_fbo_texture(struct gl_context *ctx,
  97                          struct gl_texture_object *texObj,
  98                          GLuint face, GLuint level);
  99
 100 extern void
 101 _mesa_clear_texture_image(struct gl_context *ctx,
 102                           struct gl_texture_image *texImage);
 103
 104
 105 extern struct gl_texture_image *
 106 _mesa_select_tex_image(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 /**
 116  * Return the base-level texture image for the given texture object.
 117  */
 118 static inline const struct gl_texture_image *
 119 _mesa_base_tex_image(const struct gl_texture_object *texObj)
 120 {
 121    return texObj->Image[0][texObj->BaseLevel];
 122 }
 123
 124
 125 extern GLint
 126 _mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
 127
 128
 129 extern GLboolean
 130 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
 131                           mesa_format format,
 132                           GLint width, GLint height, GLint depth, GLint border);
 133
 134 extern GLboolean
 135 _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
 136                                GLenum intFormat);
 137
 138 extern GLuint
 139 _mesa_tex_target_to_face(GLenum target);
 140
 141 extern GLint
 142 _mesa_get_texture_dimensions(GLenum target);
 143
 144 extern GLboolean
 145 _mesa_tex_target_is_layered(GLenum target);
 146
 147 extern GLuint
 148 _mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level);
 149
 150 extern GLsizei
 151 _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height,
 152                              GLsizei depth);
 153
 154 extern GLboolean
 155 _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
 156                                GLint level, GLint width, GLint height,
 157                                GLint depth, GLint border);
 158
 159 extern mesa_format
 160 _mesa_validate_texbuffer_format(const struct gl_context *ctx,
 161                                 GLenum internalFormat);
 162
 163
 164 bool
 165 _mesa_legal_texture_base_format_for_target(struct gl_context *ctx,
 166                                            GLenum target,
 167                                            GLenum internalFormat,
 168                                            unsigned dimensions,
 169                                            const char *caller);
 170
 171 extern void
 172 _mesa_texture_sub_image(struct gl_context *ctx, GLuint dims,
 173                         struct gl_texture_object *texObj,
 174                         struct gl_texture_image *texImage,
 175                         GLenum target, GLint level,
 176                         GLint xoffset, GLint yoffset, GLint zoffset,
 177                         GLsizei width, GLsizei height, GLsizei depth,
 178                         GLenum format, GLenum type, const GLvoid *pixels,
 179                         bool dsa);
 180
 181 extern void
 182 _mesa_compressed_texture_sub_image(struct gl_context *ctx, GLuint dims,
 183                                    struct gl_texture_object *texObj,
 184                                    struct gl_texture_image *texImage,
 185                                    GLenum target, GLint level,
 186                                    GLint xoffset, GLint yoffset,
 187                                    GLint zoffset,
 188                                    GLsizei width, GLsizei height,
 189                                    GLsizei depth,
 190                                    GLenum format, GLsizei imageSize,
 191                                    const GLvoid *data);
 192
 193 extern void
 194 _mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims,
 195                              struct gl_texture_object *texObj,
 196                              GLenum target, GLint level,
 197                              GLint xoffset, GLint yoffset, GLint zoffset,
 198                              GLint x, GLint y,
 199                              GLsizei width, GLsizei height,
 200                              const char *caller);
 201
 202 extern void
 203 _mesa_texture_buffer_range(struct gl_context *ctx,
 204                            struct gl_texture_object *texObj,
 205                            GLenum internalFormat,
 206                            struct gl_buffer_object *bufObj,
 207                            GLintptr offset, GLsizeiptr size,
 208                            const char *caller);
 209 /*@}*/
 210
 211
 212 /** \name API entry point functions */
 213 /*@{*/
 214
 215 extern void GLAPIENTRY
 216 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 217                   GLsizei width, GLint border,
 218                   GLenum format, GLenum type, const GLvoid *pixels );
 219
 220
 221 extern void GLAPIENTRY
 222 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 223                   GLsizei width, GLsizei height, GLint border,
 224                   GLenum format, GLenum type, const GLvoid *pixels );
 225
 226
 227 extern void GLAPIENTRY
 228 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 229                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 230                   GLenum format, GLenum type, const GLvoid *pixels );
 231
 232
 233 extern void GLAPIENTRY
 234 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 235                      GLsizei width, GLsizei height, GLsizei depth,
 236                      GLint border, GLenum format, GLenum type,
 237                      const GLvoid *pixels );
 238
 239 extern void GLAPIENTRY
 240 _mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
 241
 242 extern void GLAPIENTRY
 243 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 244                      GLsizei width,
 245                      GLenum format, GLenum type,
 246                      const GLvoid *pixels );
 247
 248
 249 extern void GLAPIENTRY
 250 _mesa_TexSubImage2D( GLenum target, GLint level,
 251                      GLint xoffset, GLint yoffset,
 252                      GLsizei width, GLsizei height,
 253                      GLenum format, GLenum type,
 254                      const GLvoid *pixels );
 255
 256
 257 extern void GLAPIENTRY
 258 _mesa_TexSubImage3D( GLenum target, GLint level,
 259                      GLint xoffset, GLint yoffset, GLint zoffset,
 260                      GLsizei width, GLsizei height, GLsizei depth,
 261                      GLenum format, GLenum type,
 262                      const GLvoid *pixels );
 263
 264 extern void GLAPIENTRY
 265 _mesa_TextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
 266                         GLsizei width,
 267                         GLenum format, GLenum type,
 268                         const GLvoid *pixels);
 269
 270
 271 extern void GLAPIENTRY
 272 _mesa_TextureSubImage2D(GLuint texture, GLint level,
 273                         GLint xoffset, GLint yoffset,
 274                         GLsizei width, GLsizei height,
 275                         GLenum format, GLenum type,
 276                         const GLvoid *pixels);
 277
 278 extern void GLAPIENTRY
 279 _mesa_TextureSubImage3D(GLuint texture, GLint level,
 280                         GLint xoffset, GLint yoffset, GLint zoffset,
 281                         GLsizei width, GLsizei height, GLsizei depth,
 282                         GLenum format, GLenum type,
 283                         const GLvoid *pixels);
 284
 285
 286 extern void GLAPIENTRY
 287 _mesa_CopyTexImage1D(GLenum target, GLint level, GLenum internalformat,
 288                      GLint x, GLint y, GLsizei width, GLint border);
 289
 290
 291 extern void GLAPIENTRY
 292 _mesa_CopyTexImage2D( GLenum target, GLint level,
 293                       GLenum internalformat, GLint x, GLint y,
 294                       GLsizei width, GLsizei height, GLint border );
 295
 296
 297 extern void GLAPIENTRY
 298 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 299                          GLint x, GLint y, GLsizei width );
 300
 301
 302 extern void GLAPIENTRY
 303 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 304                          GLint xoffset, GLint yoffset,
 305                          GLint x, GLint y, GLsizei width, GLsizei height );
 306
 307
 308 extern void GLAPIENTRY
 309 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 310                          GLint xoffset, GLint yoffset, GLint zoffset,
 311                          GLint x, GLint y, GLsizei width, GLsizei height );
 312
 313 extern void GLAPIENTRY
 314 _mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
 315                             GLint xoffset, GLint x, GLint y, GLsizei width);
 316
 317 extern void GLAPIENTRY
 318 _mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
 319                             GLint xoffset, GLint yoffset,
 320                             GLint x, GLint y,
 321                             GLsizei width, GLsizei height);
 322
 323 extern void GLAPIENTRY
 324 _mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
 325                             GLint xoffset, GLint yoffset, GLint zoffset,
 326                             GLint x, GLint y,
 327                             GLsizei width, GLsizei height);
 328
 329 extern void GLAPIENTRY
 330 _mesa_ClearTexSubImage( GLuint texture, GLint level,
 331                         GLint xoffset, GLint yoffset, GLint zoffset,
 332                         GLsizei width, GLsizei height, GLsizei depth,
 333                         GLenum format, GLenum type, const void *data );
 334
 335 extern void GLAPIENTRY
 336 _mesa_ClearTexImage( GLuint texture, GLint level,
 337                      GLenum format, GLenum type, const void *data );
 338
 339 extern void GLAPIENTRY
 340 _mesa_CompressedTexImage1D(GLenum target, GLint level,
 341                               GLenum internalformat, GLsizei width,
 342                               GLint border, GLsizei imageSize,
 343                               const GLvoid *data);
 344
 345 extern void GLAPIENTRY
 346 _mesa_CompressedTexImage2D(GLenum target, GLint level,
 347                               GLenum internalformat, GLsizei width,
 348                               GLsizei height, GLint border, GLsizei imageSize,
 349                               const GLvoid *data);
 350
 351 extern void GLAPIENTRY
 352 _mesa_CompressedTexImage3D(GLenum target, GLint level,
 353                               GLenum internalformat, GLsizei width,
 354                               GLsizei height, GLsizei depth, GLint border,
 355                               GLsizei imageSize, const GLvoid *data);
 356
 357 extern void GLAPIENTRY
 358 _mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset,
 359                                  GLsizei width, GLenum format,
 360                                  GLsizei imageSize, const GLvoid *data);
 361
 362 extern void GLAPIENTRY
 363 _mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
 364                                   GLsizei width, GLenum format,
 365                                   GLsizei imageSize, const GLvoid *data);
 366
 367 extern void GLAPIENTRY
 368 _mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset,
 369                                  GLint yoffset, GLsizei width, GLsizei height,
 370                                  GLenum format, GLsizei imageSize,
 371                                  const GLvoid *data);
 372
 373 extern void GLAPIENTRY
 374 _mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset,
 375                                   GLint yoffset,
 376                                   GLsizei width, GLsizei height,
 377                                   GLenum format, GLsizei imageSize,
 378                                   const GLvoid *data);
 379
 380 extern void GLAPIENTRY
 381 _mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset,
 382                                  GLint yoffset, GLint zoffset, GLsizei width,
 383                                  GLsizei height, GLsizei depth, GLenum format,
 384                                  GLsizei imageSize, const GLvoid *data);
 385
 386 extern void GLAPIENTRY
 387 _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
 388                                   GLint yoffset, GLint zoffset,
 389                                   GLsizei width, GLsizei height,
 390                                   GLsizei depth,
 391                                   GLenum format, GLsizei imageSize,
 392                                   const GLvoid *data);
 393
 394 extern void GLAPIENTRY
 395 _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer);
 396
 397 extern void GLAPIENTRY
 398 _mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
 399                      GLintptr offset, GLsizeiptr size);
 400
 401 extern void GLAPIENTRY
 402 _mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer);
 403
 404 extern void GLAPIENTRY
 405 _mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
 406                          GLintptr offset, GLsizeiptr size);
 407
 408
 409 extern void GLAPIENTRY
 410 _mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
 411                             GLenum internalformat, GLsizei width,
 412                             GLsizei height, GLboolean fixedsamplelocations);
 413
 414 extern void GLAPIENTRY
 415 _mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
 416                             GLenum internalformat, GLsizei width,
 417                             GLsizei height, GLsizei depth,
 418                             GLboolean fixedsamplelocations);
 419
 420 extern void GLAPIENTRY
 421 _mesa_TexStorage2DMultisample(GLenum target, GLsizei samples,
 422                               GLenum internalformat, GLsizei width,
 423                               GLsizei height, GLboolean fixedsamplelocations);
 424
 425 extern void GLAPIENTRY
 426 _mesa_TexStorage3DMultisample(GLenum target, GLsizei samples,
 427                               GLenum internalformat, GLsizei width,
 428                               GLsizei height, GLsizei depth,
 429                               GLboolean fixedsamplelocations);
 430
 431 void GLAPIENTRY
 432 _mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples,
 433                                   GLenum internalformat, GLsizei width,
 434                                   GLsizei height,
 435                                   GLboolean fixedsamplelocations);
 436
 437 void GLAPIENTRY
 438 _mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples,
 439                                   GLenum internalformat, GLsizei width,
 440                                   GLsizei height, GLsizei depth,
 441                                   GLboolean fixedsamplelocations);
 442 /*@}*/
 443
 444 #ifdef __cplusplus
 445 }
 446 #endif
 447
 448 #endif