src/mesa/main/bufferobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.2
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26
  27 #ifndef BUFFEROBJ_H
  28 #define BUFFEROBJ_H
  29
  30
  31 #include "context.h"
  32
  33
  34 /*
  35  * Internal functions
  36  */
  37
  38 extern void
  39 _mesa_init_buffer_objects( GLcontext *ctx );
  40
  41 extern void
  42 _mesa_update_default_objects_buffer_objects(GLcontext *ctx);
  43
  44 extern struct gl_buffer_object *
  45 _mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target );
  46
  47 extern void
  48 _mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
  49
  50 extern struct gl_buffer_object *
  51 _mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
  52
  53 extern void
  54 _mesa_initialize_buffer_object( struct gl_buffer_object *obj,
  55                                 GLuint name, GLenum target );
  56
  57 extern void
  58 _mesa_reference_buffer_object(GLcontext *ctx,
  59                               struct gl_buffer_object **ptr,
  60                               struct gl_buffer_object *bufObj);
  61
  62 extern void
  63 _mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
  64                    const GLvoid * data, GLenum usage,
  65                    struct gl_buffer_object * bufObj );
  66
  67 extern void
  68 _mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  69                       GLsizeiptrARB size, const GLvoid * data,
  70                       struct gl_buffer_object * bufObj );
  71
  72 extern void
  73 _mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  74                           GLsizeiptrARB size, GLvoid * data,
  75                           struct gl_buffer_object * bufObj );
  76
  77 extern void *
  78 _mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access,
  79                   struct gl_buffer_object * bufObj );
  80
  81 extern GLboolean
  82 _mesa_buffer_unmap( GLcontext *ctx, GLenum target,
  83                     struct gl_buffer_object * bufObj );
  84
  85 extern GLboolean
  86 _mesa_validate_pbo_access(GLuint dimensions,
  87                           const struct gl_pixelstore_attrib *pack,
  88                           GLsizei width, GLsizei height, GLsizei depth,
  89                           GLenum format, GLenum type, const GLvoid *ptr);
  90
  91 extern const GLubyte *
  92 _mesa_map_bitmap_pbo(GLcontext *ctx,
  93                      const struct gl_pixelstore_attrib *unpack,
  94                      const GLubyte *bitmap);
  95
  96 extern void
  97 _mesa_unmap_bitmap_pbo(GLcontext *ctx,
  98                        const struct gl_pixelstore_attrib *unpack);
  99
 100 extern const GLvoid *
 101 _mesa_map_drawpix_pbo(GLcontext *ctx,
 102                       const struct gl_pixelstore_attrib *unpack,
 103                       const GLvoid *pixels);
 104
 105 extern void
 106 _mesa_unmap_drawpix_pbo(GLcontext *ctx,
 107                         const struct gl_pixelstore_attrib *unpack);
 108
 109 extern void *
 110 _mesa_map_readpix_pbo(GLcontext *ctx,
 111                       const struct gl_pixelstore_attrib *pack,
 112                       GLvoid *dest);
 113
 114 extern void
 115 _mesa_unmap_readpix_pbo(GLcontext *ctx,
 116                         const struct gl_pixelstore_attrib *pack);
 117
 118
 119
 120 /*
 121  * API functions
 122  */
 123
 124 extern void GLAPIENTRY
 125 _mesa_BindBufferARB(GLenum target, GLuint buffer);
 126
 127 extern void GLAPIENTRY
 128 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
 129
 130 extern void GLAPIENTRY
 131 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
 132
 133 extern GLboolean GLAPIENTRY
 134 _mesa_IsBufferARB(GLuint buffer);
 135
 136 extern void GLAPIENTRY
 137 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
 138
 139 extern void GLAPIENTRY
 140 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
 141
 142 extern void GLAPIENTRY
 143 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
 144
 145 extern void * GLAPIENTRY
 146 _mesa_MapBufferARB(GLenum target, GLenum access);
 147
 148 extern GLboolean GLAPIENTRY
 149 _mesa_UnmapBufferARB(GLenum target);
 150
 151 extern void GLAPIENTRY
 152 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
 153
 154 extern void GLAPIENTRY
 155 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
 156
 157 #endif