reactos/dll/opengl/mesa/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 /** Is any of the dimensions of given texture equal to zero? */
  48 static inline GLboolean
  49 _mesa_is_zero_size_texture(const struct gl_texture_image *texImage)
  50 {
  51    return (texImage->Width == 0 ||
  52            texImage->Height == 0 ||
  53            texImage->Depth == 0);
  54 }
  55
  56 /** \name Internal functions */
  57 /*@{*/
  58
  59 extern GLint
  60 _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat );
  61
  62
  63 extern GLboolean
  64 _mesa_is_proxy_texture(GLenum target);
  65
  66
  67 extern struct gl_texture_image *
  68 _mesa_new_texture_image( struct gl_context *ctx );
  69
  70
  71 extern void
  72 _mesa_delete_texture_image( struct gl_context *ctx,
  73                             struct gl_texture_image *teximage );
  74
  75
  76 extern void
  77 _mesa_init_teximage_fields(struct gl_context *ctx,
  78                            struct gl_texture_image *img,
  79                            GLsizei width, GLsizei height, GLsizei depth,
  80                            GLint border, GLenum internalFormat,
  81                            gl_format format);
  82
  83
  84 extern gl_format
  85 _mesa_choose_texture_format(struct gl_context *ctx,
  86                             struct gl_texture_object *texObj,
  87                             GLenum target, GLint level,
  88                             GLenum internalFormat, GLenum format, GLenum type);
  89
  90 extern void
  91 _mesa_update_fbo_texture(struct gl_context *ctx,
  92                          struct gl_texture_object *texObj,
  93                          GLuint face, GLuint level);
  94
  95 extern void
  96 _mesa_clear_texture_image(struct gl_context *ctx,
  97                           struct gl_texture_image *texImage);
  98
  99
 100 extern struct gl_texture_object *
 101 _mesa_select_tex_object(struct gl_context *ctx,
 102                         const struct gl_texture_unit *texUnit,
 103                         GLenum target);
 104
 105 extern struct gl_texture_object *
 106 _mesa_get_current_tex_object(struct gl_context *ctx, GLenum target);
 107
 108
 109 extern struct gl_texture_image *
 110 _mesa_select_tex_image(struct gl_context *ctx,
 111                        const struct gl_texture_object *texObj,
 112                        GLenum target, GLint level);
 113
 114
 115 extern struct gl_texture_image *
 116 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
 117                     GLenum target, GLint level);
 118
 119
 120 extern struct gl_texture_image *
 121 _mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level);
 122
 123
 124 extern GLint
 125 _mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
 126
 127
 128 extern GLboolean
 129 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
 130                          GLint internalFormat, GLenum format, GLenum type,
 131                          GLint width, GLint height, GLint depth, GLint border);
 132
 133
 134 extern GLuint
 135 _mesa_tex_target_to_face(GLenum target);
 136
 137 extern GLint
 138 _mesa_get_texture_dimensions(GLenum target);
 139
 140 /**
 141  * Lock a texture for updating.  See also _mesa_lock_context_textures().
 142  */
 143 static inline void
 144 _mesa_lock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 145 {
 146    _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
 147    ctx->Shared->TextureStateStamp++;
 148    (void) texObj;
 149 }
 150
 151 static inline void
 152 _mesa_unlock_texture(struct gl_context *ctx, struct gl_texture_object *texObj)
 153 {
 154    (void) texObj;
 155    _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
 156 }
 157
 158 /*@}*/
 159
 160
 161 /** \name API entry point functions */
 162 /*@{*/
 163
 164 extern void GLAPIENTRY
 165 _mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
 166                   GLsizei width, GLint border,
 167                   GLenum format, GLenum type, const GLvoid *pixels );
 168
 169
 170 extern void GLAPIENTRY
 171 _mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
 172                   GLsizei width, GLsizei height, GLint border,
 173                   GLenum format, GLenum type, const GLvoid *pixels );
 174
 175
 176 extern void GLAPIENTRY
 177 _mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
 178                   GLsizei width, GLsizei height, GLsizei depth, GLint border,
 179                   GLenum format, GLenum type, const GLvoid *pixels );
 180
 181
 182 extern void GLAPIENTRY
 183 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
 184                      GLsizei width, GLsizei height, GLsizei depth,
 185                      GLint border, GLenum format, GLenum type,
 186                      const GLvoid *pixels );
 187
 188 extern void GLAPIENTRY
 189 _mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
 190
 191 extern void GLAPIENTRY
 192 _mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
 193                      GLsizei width,
 194                      GLenum format, GLenum type,
 195                      const GLvoid *pixels );
 196
 197
 198 extern void GLAPIENTRY
 199 _mesa_TexSubImage2D( GLenum target, GLint level,
 200                      GLint xoffset, GLint yoffset,
 201                      GLsizei width, GLsizei height,
 202                      GLenum format, GLenum type,
 203                      const GLvoid *pixels );
 204
 205
 206 extern void GLAPIENTRY
 207 _mesa_TexSubImage3D( GLenum target, GLint level,
 208                      GLint xoffset, GLint yoffset, GLint zoffset,
 209                      GLsizei width, GLsizei height, GLsizei depth,
 210                      GLenum format, GLenum type,
 211                      const GLvoid *pixels );
 212
 213
 214 extern void GLAPIENTRY
 215 _mesa_CopyTexImage1D( GLenum target, GLint level, GLenum internalformat,
 216                       GLint x, GLint y, GLsizei width, GLint border );
 217
 218
 219 extern void GLAPIENTRY
 220 _mesa_CopyTexImage2D( GLenum target, GLint level,
 221                       GLenum internalformat, GLint x, GLint y,
 222                       GLsizei width, GLsizei height, GLint border );
 223
 224
 225 extern void GLAPIENTRY
 226 _mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
 227                          GLint x, GLint y, GLsizei width );
 228
 229
 230 extern void GLAPIENTRY
 231 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
 232                          GLint xoffset, GLint yoffset,
 233                          GLint x, GLint y, GLsizei width, GLsizei height );
 234
 235
 236 extern void GLAPIENTRY
 237 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
 238                          GLint xoffset, GLint yoffset, GLint zoffset,
 239                          GLint x, GLint y, GLsizei width, GLsizei height );
 240
 241
 242
 243 extern void GLAPIENTRY
 244 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
 245                               GLenum internalformat, GLsizei width,
 246                               GLint border, GLsizei imageSize,
 247                               const GLvoid *data);
 248
 249 extern void GLAPIENTRY
 250 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
 251                               GLenum internalformat, GLsizei width,
 252                               GLsizei height, GLint border, GLsizei imageSize,
 253                               const GLvoid *data);
 254
 255 extern void GLAPIENTRY
 256 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
 257                               GLenum internalformat, GLsizei width,
 258                               GLsizei height, GLsizei depth, GLint border,
 259                               GLsizei imageSize, const GLvoid *data);
 260
 261 #ifdef VMS
 262 #define _mesa_CompressedTexSubImage1DARB _mesa_CompressedTexSubImage1DAR
 263 #define _mesa_CompressedTexSubImage2DARB _mesa_CompressedTexSubImage2DAR
 264 #define _mesa_CompressedTexSubImage3DARB _mesa_CompressedTexSubImage3DAR
 265 #endif
 266 extern void GLAPIENTRY
 267 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
 268                                  GLsizei width, GLenum format,
 269                                  GLsizei imageSize, const GLvoid *data);
 270
 271 extern void GLAPIENTRY
 272 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
 273                                  GLint yoffset, GLsizei width, GLsizei height,
 274                                  GLenum format, GLsizei imageSize,
 275                                  const GLvoid *data);
 276
 277 extern void GLAPIENTRY
 278 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
 279                                  GLint yoffset, GLint zoffset, GLsizei width,
 280                                  GLsizei height, GLsizei depth, GLenum format,
 281                                  GLsizei imageSize, const GLvoid *data);
 282
 283
 284 extern void GLAPIENTRY
 285 _mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer);
 286
 287
 288 /*@}*/
 289
 290 #endif