dri_screen.h revision a30b966f8345cb99922a416fce2da6edb70f864c 
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
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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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 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
82/** cast wrapper */
83static INLINE struct dri_screen *
84dri_screen(__DRIscreen * sPriv)
85{
86   return (struct dri_screen *)sPriv->private;
87}
88
89struct __DRIimageRec {
90   struct pipe_resource *texture;
91   unsigned face;
92   unsigned level;
93   unsigned zslice;
94
95   void *loader_private;
96};
97
98#ifndef __NOT_HAVE_DRM_H
99
100static INLINE boolean
101dri_with_format(__DRIscreen * sPriv)
102{
103   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
104
105   return loader
106       && (loader->base.version >= 3)
107       && (loader->getBuffersWithFormat != NULL);
108}
109
110#else
111
112static INLINE boolean
113dri_with_format(__DRIscreen * sPriv)
114{
115   return TRUE;
116}
117
118#endif
119
120void
121dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
122                   const __GLcontextModes *mode);
123
124const __DRIconfig **
125dri_init_screen_helper(struct dri_screen *screen,
126                       struct pipe_screen *pscreen,
127                       unsigned pixel_bits);
128
129void
130dri_destroy_screen_helper(struct dri_screen * screen);
131
132void
133dri_destroy_screen(__DRIscreen * sPriv);
134
135#endif
136
137/* vim: set sw=3 ts=8 sts=3 expandtab: */
138