dri_screen.h revision ea6a52a1f8e7fd72b5506218c31e58088131f1f5 
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#include "state_tracker/drm_api.h"
43
44struct dri_context;
45struct dri_drawable;
46
47struct dri_screen
48{
49   /* dri */
50   __DRIscreen *sPriv;
51
52   /**
53    * Configuration cache with default values for all contexts
54    */
55   driOptionCache optionCache;
56
57   /* drm */
58   int fd;
59   drmLock *drmLock;
60
61   /* hooks filled in by dri1, dri2 & drisw */
62   __DRIimage * (*lookup_egl_image)(struct dri_context *ctx, void *handle);
63   void (*allocate_textures)(struct dri_drawable *drawable,
64                             const enum st_attachment_type *statts,
65                             unsigned count);
66   void (*update_drawable_info)(struct dri_drawable *drawable);
67   void (*flush_frontbuffer)(struct dri_drawable *drawable,
68                             enum st_attachment_type statt);
69
70   /* gallium */
71   struct drm_api *api;
72   struct pipe_winsys *pipe_winsys;
73   struct pipe_screen *pipe_screen;
74   boolean d_depth_bits_last;
75   boolean sd_depth_bits_last;
76   boolean auto_fake_front;
77
78   struct st_manager *smapi;
79
80   /* used only by DRI1 */
81   struct pipe_context *dri1_pipe;
82};
83
84/** cast wrapper */
85static INLINE struct dri_screen *
86dri_screen(__DRIscreen * sPriv)
87{
88   return (struct dri_screen *)sPriv->private;
89}
90
91#ifndef __NOT_HAVE_DRM_H
92
93static INLINE boolean
94dri_with_format(__DRIscreen * sPriv)
95{
96   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
97
98   return loader
99       && (loader->base.version >= 3)
100       && (loader->getBuffersWithFormat != NULL);
101}
102
103#else
104
105static INLINE boolean
106dri_with_format(__DRIscreen * sPriv)
107{
108   return TRUE;
109}
110
111#endif
112
113void
114dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
115                   const __GLcontextModes *mode);
116
117const __DRIconfig **
118dri_init_screen_helper(struct dri_screen *screen,
119                       struct pipe_screen *pscreen,
120                       unsigned pixel_bits);
121
122void
123dri_destroy_screen_helper(struct dri_screen * screen);
124
125#endif
126
127/* vim: set sw=3 ts=8 sts=3 expandtab: */
128