src/mesa/main/bufferobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.1
   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 struct gl_buffer_object *
  42 _mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target );
  43
  44 extern void
  45 _mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
  46
  47 extern struct gl_buffer_object *
  48 _mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
  49
  50 extern void
  51 _mesa_initialize_buffer_object( struct gl_buffer_object *obj,
  52                                 GLuint name, GLenum target );
  53
  54 extern void
  55 _mesa_save_buffer_object( GLcontext *ctx, struct gl_buffer_object *obj );
  56
  57 extern void
  58 _mesa_remove_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
  59
  60 extern void
  61 _mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
  62                    const GLvoid * data, GLenum usage,
  63                    struct gl_buffer_object * bufObj );
  64
  65 extern void
  66 _mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  67                       GLsizeiptrARB size, const GLvoid * data,
  68                       struct gl_buffer_object * bufObj );
  69
  70 extern void
  71 _mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  72                           GLsizeiptrARB size, GLvoid * data,
  73                           struct gl_buffer_object * bufObj );
  74
  75 extern void *
  76 _mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access,
  77                   struct gl_buffer_object * bufObj );
  78
  79 extern GLboolean
  80 _mesa_buffer_unmap( GLcontext *ctx, GLenum target,
  81                     struct gl_buffer_object * bufObj );
  82
  83 extern GLboolean
  84 _mesa_validate_pbo_access(GLuint dimensions,
  85                           const struct gl_pixelstore_attrib *pack,
  86                           GLsizei width, GLsizei height, GLsizei depth,
  87                           GLenum format, GLenum type, const GLvoid *ptr);
  88
  89 extern const GLubyte *
  90 _mesa_map_bitmap_pbo(GLcontext *ctx,
  91                      const struct gl_pixelstore_attrib *unpack,
  92                      const GLubyte *bitmap);
  93
  94 extern void
  95 _mesa_unmap_bitmap_pbo(GLcontext *ctx,
  96                        const struct gl_pixelstore_attrib *unpack);
  97
  98 extern const GLvoid *
  99 _mesa_map_drawpix_pbo(GLcontext *ctx,
 100                       const struct gl_pixelstore_attrib *unpack,
 101                       const GLvoid *pixels);
 102
 103 extern void
 104 _mesa_unmap_drawpix_pbo(GLcontext *ctx,
 105                         const struct gl_pixelstore_attrib *unpack);
 106
 107
 108 extern void *
 109 _mesa_map_readpix_pbo(GLcontext *ctx,
 110                       const struct gl_pixelstore_attrib *pack,
 111                       GLvoid *dest);
 112
 113 extern void
 114 _mesa_unmap_readpix_pbo(GLcontext *ctx,
 115                         const struct gl_pixelstore_attrib *pack);
 116
 117
 118 extern void
 119 _mesa_unbind_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
 120
 121 /*
 122  * API functions
 123  */
 124
 125 extern void GLAPIENTRY
 126 _mesa_BindBufferARB(GLenum target, GLuint buffer);
 127
 128 extern void GLAPIENTRY
 129 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
 130
 131 extern void GLAPIENTRY
 132 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
 133
 134 extern GLboolean GLAPIENTRY
 135 _mesa_IsBufferARB(GLuint buffer);
 136
 137 extern void GLAPIENTRY
 138 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
 139
 140 extern void GLAPIENTRY
 141 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
 142
 143 extern void GLAPIENTRY
 144 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
 145
 146 extern void * GLAPIENTRY
 147 _mesa_MapBufferARB(GLenum target, GLenum access);
 148
 149 extern GLboolean GLAPIENTRY
 150 _mesa_UnmapBufferARB(GLenum target);
 151
 152 extern void GLAPIENTRY
 153 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
 154
 155 extern void GLAPIENTRY
 156 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
 157
 158 #endif