src/mesa/main/bufferobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.6
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27
  28 #ifndef BUFFEROBJ_H
  29 #define BUFFEROBJ_H
  30
  31
  32 #include "context.h"
  33
  34
  35 /*
  36  * Internal functions
  37  */
  38
  39 extern void
  40 _mesa_init_buffer_objects( GLcontext *ctx );
  41
  42 extern void
  43 _mesa_update_default_objects_buffer_objects(GLcontext *ctx);
  44
  45 extern struct gl_buffer_object *
  46 _mesa_new_buffer_object( GLcontext *ctx, GLuint name, GLenum target );
  47
  48 extern void
  49 _mesa_delete_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj );
  50
  51 extern struct gl_buffer_object *
  52 _mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
  53
  54 extern void
  55 _mesa_initialize_buffer_object( struct gl_buffer_object *obj,
  56                                 GLuint name, GLenum target );
  57
  58 extern void
  59 _mesa_reference_buffer_object(GLcontext *ctx,
  60                               struct gl_buffer_object **ptr,
  61                               struct gl_buffer_object *bufObj);
  62
  63 extern void
  64 _mesa_buffer_data( GLcontext *ctx, GLenum target, GLsizeiptrARB size,
  65                    const GLvoid * data, GLenum usage,
  66                    struct gl_buffer_object * bufObj );
  67
  68 extern void
  69 _mesa_buffer_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  70                       GLsizeiptrARB size, const GLvoid * data,
  71                       struct gl_buffer_object * bufObj );
  72
  73 extern void
  74 _mesa_buffer_get_subdata( GLcontext *ctx, GLenum target, GLintptrARB offset,
  75                           GLsizeiptrARB size, GLvoid * data,
  76                           struct gl_buffer_object * bufObj );
  77
  78 extern void *
  79 _mesa_buffer_map( GLcontext *ctx, GLenum target, GLenum access,
  80                   struct gl_buffer_object * bufObj );
  81
  82 extern GLboolean
  83 _mesa_buffer_unmap( GLcontext *ctx, GLenum target,
  84                     struct gl_buffer_object * bufObj );
  85
  86 extern void
  87 _mesa_copy_buffer_subdata(GLcontext *ctx,
  88                           struct gl_buffer_object *src,
  89                           struct gl_buffer_object *dst,
  90                           GLintptr readOffset, GLintptr writeOffset,
  91                           GLsizeiptr size);
  92
  93 extern GLboolean
  94 _mesa_validate_pbo_access(GLuint dimensions,
  95                           const struct gl_pixelstore_attrib *pack,
  96                           GLsizei width, GLsizei height, GLsizei depth,
  97                           GLenum format, GLenum type, const GLvoid *ptr);
  98
  99 extern const GLubyte *
 100 _mesa_map_bitmap_pbo(GLcontext *ctx,
 101                      const struct gl_pixelstore_attrib *unpack,
 102                      const GLubyte *bitmap);
 103
 104 extern void
 105 _mesa_unmap_bitmap_pbo(GLcontext *ctx,
 106                        const struct gl_pixelstore_attrib *unpack);
 107
 108 extern const GLvoid *
 109 _mesa_map_drawpix_pbo(GLcontext *ctx,
 110                       const struct gl_pixelstore_attrib *unpack,
 111                       const GLvoid *pixels);
 112
 113 extern void
 114 _mesa_unmap_drawpix_pbo(GLcontext *ctx,
 115                         const struct gl_pixelstore_attrib *unpack);
 116
 117 extern void *
 118 _mesa_map_readpix_pbo(GLcontext *ctx,
 119                       const struct gl_pixelstore_attrib *pack,
 120                       GLvoid *dest);
 121
 122 extern void
 123 _mesa_unmap_readpix_pbo(GLcontext *ctx,
 124                         const struct gl_pixelstore_attrib *pack);
 125
 126
 127
 128 /*
 129  * API functions
 130  */
 131
 132 extern void GLAPIENTRY
 133 _mesa_BindBufferARB(GLenum target, GLuint buffer);
 134
 135 extern void GLAPIENTRY
 136 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
 137
 138 extern void GLAPIENTRY
 139 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
 140
 141 extern GLboolean GLAPIENTRY
 142 _mesa_IsBufferARB(GLuint buffer);
 143
 144 extern void GLAPIENTRY
 145 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
 146
 147 extern void GLAPIENTRY
 148 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
 149
 150 extern void GLAPIENTRY
 151 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
 152
 153 extern void * GLAPIENTRY
 154 _mesa_MapBufferARB(GLenum target, GLenum access);
 155
 156 extern GLboolean GLAPIENTRY
 157 _mesa_UnmapBufferARB(GLenum target);
 158
 159 extern void GLAPIENTRY
 160 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
 161
 162 extern void GLAPIENTRY
 163 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
 164
 165 extern void GLAPIENTRY
 166 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
 167                         GLintptr readOffset, GLintptr writeOffset,
 168                         GLsizeiptr size);
 169
 170 #endif