drisw/glx: use XShm if possible
[mesa.git] / src / glx / drisw_priv.h
1 /* This file was derived from drisw_glx.c which carries the following
2 * copyright:
3 *
4 * Copyright 2008 George Sapountzis
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 #include <X11/extensions/XShm.h>
27
28 struct drisw_display
29 {
30 __GLXDRIdisplay base;
31 };
32
33 struct drisw_context
34 {
35 struct glx_context base;
36 __DRIcontext *driContext;
37
38 };
39
40 struct drisw_screen
41 {
42 struct glx_screen base;
43
44 __DRIscreen *driScreen;
45 __GLXDRIscreen vtable;
46 const __DRIcoreExtension *core;
47 const __DRIswrastExtension *swrast;
48 const __DRItexBufferExtension *texBuffer;
49 const __DRIcopySubBufferExtension *copySubBuffer;
50 const __DRI2rendererQueryExtension *rendererQuery;
51
52 const __DRIconfig **driver_configs;
53
54 void *driver;
55 };
56
57 struct drisw_drawable
58 {
59 __GLXDRIdrawable base;
60
61 GC gc;
62 GC swapgc;
63
64 __DRIdrawable *driDrawable;
65 XVisualInfo *visinfo;
66 XImage *ximage;
67 XShmSegmentInfo shminfo;
68 };
69
70 _X_HIDDEN int
71 drisw_query_renderer_integer(struct glx_screen *base, int attribute,
72 unsigned int *value);
73 _X_HIDDEN int
74 drisw_query_renderer_string(struct glx_screen *base, int attribute,
75 const char **value);