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
  46 extern struct gl_buffer_object *
  47 _mesa_lookup_bufferobj(GLcontext *ctx, GLuint buffer);
  48
  49 extern void
  50 _mesa_initialize_buffer_object( struct gl_buffer_object *obj,
  51                                 GLuint name, GLenum target );
  52
  53 extern void
  54 _mesa_reference_buffer_object(GLcontext *ctx,
  55                               struct gl_buffer_object **ptr,
  56                               struct gl_buffer_object *bufObj);
  57
  58 extern GLboolean
  59 _mesa_validate_pbo_access(GLuint dimensions,
  60                           const struct gl_pixelstore_attrib *pack,
  61                           GLsizei width, GLsizei height, GLsizei depth,
  62                           GLenum format, GLenum type, const GLvoid *ptr);
  63
  64 extern const GLubyte *
  65 _mesa_map_bitmap_pbo(GLcontext *ctx,
  66                      const struct gl_pixelstore_attrib *unpack,
  67                      const GLubyte *bitmap);
  68
  69 extern void
  70 _mesa_unmap_bitmap_pbo(GLcontext *ctx,
  71                        const struct gl_pixelstore_attrib *unpack);
  72
  73 extern const GLvoid *
  74 _mesa_map_drawpix_pbo(GLcontext *ctx,
  75                       const struct gl_pixelstore_attrib *unpack,
  76                       const GLvoid *pixels);
  77
  78 extern void
  79 _mesa_unmap_drawpix_pbo(GLcontext *ctx,
  80                         const struct gl_pixelstore_attrib *unpack);
  81
  82 extern void *
  83 _mesa_map_readpix_pbo(GLcontext *ctx,
  84                       const struct gl_pixelstore_attrib *pack,
  85                       GLvoid *dest);
  86
  87 extern void
  88 _mesa_unmap_readpix_pbo(GLcontext *ctx,
  89                         const struct gl_pixelstore_attrib *pack);
  90
  91
  92 extern void
  93 _mesa_init_buffer_object_functions(struct dd_function_table *driver);
  94
  95
  96 /*
  97  * API functions
  98  */
  99
 100 extern void GLAPIENTRY
 101 _mesa_BindBufferARB(GLenum target, GLuint buffer);
 102
 103 extern void GLAPIENTRY
 104 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
 105
 106 extern void GLAPIENTRY
 107 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
 108
 109 extern GLboolean GLAPIENTRY
 110 _mesa_IsBufferARB(GLuint buffer);
 111
 112 extern void GLAPIENTRY
 113 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
 114
 115 extern void GLAPIENTRY
 116 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
 117
 118 extern void GLAPIENTRY
 119 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
 120
 121 extern void * GLAPIENTRY
 122 _mesa_MapBufferARB(GLenum target, GLenum access);
 123
 124 extern GLboolean GLAPIENTRY
 125 _mesa_UnmapBufferARB(GLenum target);
 126
 127 extern void GLAPIENTRY
 128 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
 129
 130 extern void GLAPIENTRY
 131 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
 132
 133 extern void GLAPIENTRY
 134 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
 135                         GLintptr readOffset, GLintptr writeOffset,
 136                         GLsizeiptr size);
 137
 138 extern void * GLAPIENTRY
 139 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
 140                      GLbitfield access);
 141
 142 extern void GLAPIENTRY
 143 _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
 144
 145 #endif