1 /**************************************************************************
2 *
3 * Copyright 2009, 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 * Author: Keith Whitwell <keithw@vmware.com>
29 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
30 */
31
32 #ifndef DRI_SCREEN_H
33 #define DRI_SCREEN_H
34
35 #include "dri_util.h"
36 #include "xmlconfig.h"
37
38 #include "pipe/p_compiler.h"
39 #include "pipe/p_context.h"
40 #include "pipe/p_state.h"
41 #include "state_tracker/st_api.h"
42
43 struct dri_context;
44 struct dri_drawable;
45
46 struct dri_screen
47 {
48 /* st_api */
49 struct st_manager base;
50 struct st_api *st_api;
51
52 /* on old libGL's invalidate doesn't get called as it should */
53 boolean broken_invalidate;
54
55 /* dri */
56 __DRIscreen *sPriv;
57 int default_throttle_frames;
58
59 /**
60 * Configuration cache with default values for all contexts
61 */
62 driOptionCache optionCache;
63
64 /* drm */
65 int fd;
66
67 /* gallium */
68 boolean d_depth_bits_last;
69 boolean sd_depth_bits_last;
70 boolean auto_fake_front;
71 enum pipe_texture_target target;
72
73 /* hooks filled in by dri2 & drisw */
74 __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
75 };
76
77 /** cast wrapper */
78 static INLINE struct dri_screen *
dri_screen(__DRIscreen * sPriv)79 dri_screen(__DRIscreen * sPriv)
80 {
81 return (struct dri_screen *)sPriv->driverPrivate;
82 }
83
84 struct __DRIimageRec {
85 struct pipe_resource *texture;
86 unsigned level;
87 unsigned layer;
88 uint32_t dri_format;
89 uint32_t dri_components;
90
91 void *loader_private;
92 };
93
94 #ifndef __NOT_HAVE_DRM_H
95
96 static INLINE boolean
dri_with_format(__DRIscreen * sPriv)97 dri_with_format(__DRIscreen * sPriv)
98 {
99 const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
100
101 return loader
102 && (loader->base.version >= 3)
103 && (loader->getBuffersWithFormat != NULL);
104 }
105
106 #else
107
108 static INLINE boolean
dri_with_format(__DRIscreen * sPriv)109 dri_with_format(__DRIscreen * sPriv)
110 {
111 return TRUE;
112 }
113
114 #endif
115
116 void
117 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
118 const struct gl_config *mode);
119
120 const __DRIconfig **
121 dri_init_screen_helper(struct dri_screen *screen,
122 struct pipe_screen *pscreen,
123 unsigned pixel_bits);
124
125 void
126 dri_destroy_screen_helper(struct dri_screen * screen);
127
128 void
129 dri_destroy_screen(__DRIscreen * sPriv);
130
131 #endif
132
133 /* vim: set sw=3 ts=8 sts=3 expandtab: */
134