1/**************************************************************************
2 *
3 * Copyright 2005 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * 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
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef INTEL_BUFFEROBJ_H
29#define INTEL_BUFFEROBJ_H
30
31#include "main/mtypes.h"
32
33struct intel_context;
34struct gl_buffer_object;
35
36
37/**
38 * Intel vertex/pixel buffer object, derived from Mesa's gl_buffer_object.
39 */
40struct intel_buffer_object
41{
42   struct gl_buffer_object Base;
43   drm_intel_bo *buffer;     /* the low-level buffer manager's buffer handle */
44   GLuint offset;            /* any offset into that buffer */
45
46   /** System memory buffer data, if not using a BO to store the data. */
47   void *sys_buffer;
48
49   drm_intel_bo *range_map_bo[MAP_COUNT];
50   void *range_map_buffer[MAP_COUNT];
51
52   bool source;
53};
54
55
56/* Get the bm buffer associated with a GL bufferobject:
57 */
58drm_intel_bo *intel_bufferobj_buffer(struct intel_context *intel,
59				     struct intel_buffer_object *obj);
60drm_intel_bo *intel_bufferobj_source(struct intel_context *intel,
61				     struct intel_buffer_object *obj,
62				     GLuint align,
63				     GLuint *offset);
64
65void intel_upload_data(struct intel_context *intel,
66		       const void *ptr, GLuint size, GLuint align,
67		       drm_intel_bo **return_bo,
68		       GLuint *return_offset);
69
70void intel_upload_finish(struct intel_context *intel);
71
72/* Hook the bufferobject implementation into mesa:
73 */
74void intelInitBufferObjectFuncs(struct dd_function_table *functions);
75
76static inline struct intel_buffer_object *
77intel_buffer_object(struct gl_buffer_object *obj)
78{
79   return (struct intel_buffer_object *) obj;
80}
81
82#endif
83