dri_screen.h revision bde2fc5a7123829dc87d3761934627555be4446f 
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   drmLock *drmLock;
67
68   /* gallium */
69   boolean d_depth_bits_last;
70   boolean sd_depth_bits_last;
71   boolean auto_fake_front;
72   enum pipe_texture_target target;
73
74   /* hooks filled in by dri2 & drisw */
75   __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
76};
77
78/** cast wrapper */
79static INLINE struct dri_screen *
80dri_screen(__DRIscreen * sPriv)
81{
82   return (struct dri_screen *)sPriv->private;
83}
84
85struct __DRIimageRec {
86   struct pipe_resource *texture;
87   unsigned level;
88   unsigned layer;
89
90   void *loader_private;
91};
92
93#ifndef __NOT_HAVE_DRM_H
94
95static INLINE boolean
96dri_with_format(__DRIscreen * sPriv)
97{
98   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
99
100   return loader
101       && (loader->base.version >= 3)
102       && (loader->getBuffersWithFormat != NULL);
103}
104
105#else
106
107static INLINE boolean
108dri_with_format(__DRIscreen * sPriv)
109{
110   return TRUE;
111}
112
113#endif
114
115void
116dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
117                   const struct gl_config *mode);
118
119const __DRIconfig **
120dri_init_screen_helper(struct dri_screen *screen,
121                       struct pipe_screen *pscreen,
122                       unsigned pixel_bits);
123
124void
125dri_destroy_screen_helper(struct dri_screen * screen);
126
127void
128dri_destroy_screen(__DRIscreen * sPriv);
129
130#endif
131
132/* vim: set sw=3 ts=8 sts=3 expandtab: */
133