dri_screen.h revision 2e4ad14a525f4028f0e0a93de2f8db785df33fb7 
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
58   /**
59    * Configuration cache with default values for all contexts
60    */
61   driOptionCache optionCache;
62
63   /* drm */
64   int fd;
65   drmLock *drmLock;
66
67   /* hooks filled in by dri1, dri2 & drisw */
68   __DRIimage * (*lookup_egl_image)(struct dri_context *ctx, void *handle);
69   void (*allocate_textures)(struct dri_drawable *drawable,
70                             const enum st_attachment_type *statts,
71                             unsigned count);
72   void (*update_drawable_info)(struct dri_drawable *drawable);
73   void (*flush_frontbuffer)(struct dri_drawable *drawable,
74                             enum st_attachment_type statt);
75
76   /* gallium */
77   boolean d_depth_bits_last;
78   boolean sd_depth_bits_last;
79   boolean auto_fake_front;
80
81   /* used only by DRI1 */
82   struct pipe_context *dri1_pipe;
83};
84
85/** cast wrapper */
86static INLINE struct dri_screen *
87dri_screen(__DRIscreen * sPriv)
88{
89   return (struct dri_screen *)sPriv->private;
90}
91
92struct __DRIimageRec {
93   struct pipe_resource *texture;
94   unsigned face;
95   unsigned level;
96   unsigned zslice;
97
98   void *loader_private;
99};
100
101#ifndef __NOT_HAVE_DRM_H
102
103static INLINE boolean
104dri_with_format(__DRIscreen * sPriv)
105{
106   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
107
108   return loader
109       && (loader->base.version >= 3)
110       && (loader->getBuffersWithFormat != NULL);
111}
112
113#else
114
115static INLINE boolean
116dri_with_format(__DRIscreen * sPriv)
117{
118   return TRUE;
119}
120
121#endif
122
123void
124dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
125                   const __GLcontextModes *mode);
126
127const __DRIconfig **
128dri_init_screen_helper(struct dri_screen *screen,
129                       struct pipe_screen *pscreen,
130                       unsigned pixel_bits);
131
132void
133dri_destroy_screen_helper(struct dri_screen * screen);
134
135void
136dri_destroy_screen(__DRIscreen * sPriv);
137
138#endif
139
140/* vim: set sw=3 ts=8 sts=3 expandtab: */
141