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
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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
33 struct intel_context;
34 struct gl_buffer_object;
35
36
37 /**
38 * Intel vertex/pixel buffer object, derived from Mesa's gl_buffer_object.
39 */
40 struct 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 */
58 drm_intel_bo *intel_bufferobj_buffer(struct intel_context *intel,
59 struct intel_buffer_object *obj);
60 drm_intel_bo *intel_bufferobj_source(struct intel_context *intel,
61 struct intel_buffer_object *obj,
62 GLuint align,
63 GLuint *offset);
64
65 void 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
70 void intel_upload_finish(struct intel_context *intel);
71
72 /* Hook the bufferobject implementation into mesa:
73 */
74 void intelInitBufferObjectFuncs(struct dd_function_table *functions);
75
76 static inline struct intel_buffer_object *
intel_buffer_object(struct gl_buffer_object * obj)77 intel_buffer_object(struct gl_buffer_object *obj)
78 {
79 return (struct intel_buffer_object *) obj;
80 }
81
82 #endif
83