dri_screen.h revision 875a757ddd103722cfe9a2b21035024aa5a23d32 
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_wrapper.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
43struct dri_context;
44struct dri_drawable;
45
46struct 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 */
78static INLINE struct dri_screen *
79dri_screen(__DRIscreen * sPriv)
80{
81   return (struct dri_screen *)sPriv->driverPrivate;
82}
83
84struct __DRIimageRec {
85   struct pipe_resource *texture;
86   unsigned level;
87   unsigned layer;
88
89   void *loader_private;
90};
91
92#ifndef __NOT_HAVE_DRM_H
93
94static INLINE boolean
95dri_with_format(__DRIscreen * sPriv)
96{
97   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
98
99   return loader
100       && (loader->base.version >= 3)
101       && (loader->getBuffersWithFormat != NULL);
102}
103
104#else
105
106static INLINE boolean
107dri_with_format(__DRIscreen * sPriv)
108{
109   return TRUE;
110}
111
112#endif
113
114void
115dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
116                   const struct gl_config *mode);
117
118const __DRIconfig **
119dri_init_screen_helper(struct dri_screen *screen,
120                       struct pipe_screen *pscreen,
121                       unsigned pixel_bits);
122
123void
124dri_destroy_screen_helper(struct dri_screen * screen);
125
126void
127dri_destroy_screen(__DRIscreen * sPriv);
128
129#endif
130
131/* vim: set sw=3 ts=8 sts=3 expandtab: */
132