src/mesa/main/texobj.h

   1 /**
   2  * \file texobj.h
   3  * Texture object management.
   4  */
   5
   6 /*
   7  * Mesa 3-D graphics library
   8  * Version:  6.5
   9  *
  10  * Copyright (C) 1999-2006  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 TEXTOBJ_H
  32 #define TEXTOBJ_H
  33
  34
  35 #include "compiler.h"
  36 #include "glheader.h"
  37
  38 struct gl_context;
  39
  40 /**
  41  * \name Internal functions
  42  */
  43 /*@{*/
  44
  45 extern struct gl_texture_object *
  46 _mesa_lookup_texture(struct gl_context *ctx, GLuint id);
  47
  48 extern struct gl_texture_object *
  49 _mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target );
  50
  51 extern void
  52 _mesa_initialize_texture_object( struct gl_texture_object *obj,
  53                                  GLuint name, GLenum target );
  54
  55 extern void
  56 _mesa_delete_texture_object( struct gl_context *ctx,
  57                              struct gl_texture_object *obj );
  58
  59 extern void
  60 _mesa_copy_texture_object( struct gl_texture_object *dest,
  61                            const struct gl_texture_object *src );
  62
  63 extern void
  64 _mesa_clear_texture_object(struct gl_context *ctx,
  65                            struct gl_texture_object *obj);
  66
  67 extern void
  68 _mesa_reference_texobj_(struct gl_texture_object **ptr,
  69                         struct gl_texture_object *tex);
  70
  71 static inline void
  72 _mesa_reference_texobj(struct gl_texture_object **ptr,
  73                        struct gl_texture_object *tex)
  74 {
  75    if (*ptr != tex)
  76       _mesa_reference_texobj_(ptr, tex);
  77 }
  78
  79
  80 extern void
  81 _mesa_test_texobj_completeness( const struct gl_context *ctx,
  82                                 struct gl_texture_object *obj );
  83
  84 extern GLboolean
  85 _mesa_cube_complete(const struct gl_texture_object *texObj);
  86
  87 extern void
  88 _mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
  89                    GLboolean invalidate_state);
  90
  91 extern struct gl_texture_object *
  92 _mesa_get_fallback_texture(struct gl_context *ctx);
  93
  94 extern void
  95 _mesa_unlock_context_textures( struct gl_context *ctx );
  96
  97 extern void
  98 _mesa_lock_context_textures( struct gl_context *ctx );
  99
 100 /*@}*/
 101
 102 /**
 103  * \name API functions
 104  */
 105 /*@{*/
 106
 107 extern void GLAPIENTRY
 108 _mesa_GenTextures( GLsizei n, GLuint *textures );
 109
 110
 111 extern void GLAPIENTRY
 112 _mesa_DeleteTextures( GLsizei n, const GLuint *textures );
 113
 114
 115 extern void GLAPIENTRY
 116 _mesa_BindTexture( GLenum target, GLuint texture );
 117
 118
 119 extern void GLAPIENTRY
 120 _mesa_PrioritizeTextures( GLsizei n, const GLuint *textures,
 121                           const GLclampf *priorities );
 122
 123
 124 extern GLboolean GLAPIENTRY
 125 _mesa_AreTexturesResident( GLsizei n, const GLuint *textures,
 126                            GLboolean *residences );
 127
 128 extern GLboolean GLAPIENTRY
 129 _mesa_IsTexture( GLuint texture );
 130
 131 /*@}*/
 132
 133
 134 #endif