st/dri: merge dri/drm and dri/sw backends
[mesa.git] / src / gallium / state_trackers / dri / dri_screen.h
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_util.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 "postprocess/filters.h"
43
44 struct dri_context;
45 struct dri_drawable;
46 struct pipe_loader_device;
47
48 struct dri_screen
49 {
50 /* st_api */
51 struct st_manager base;
52 struct st_api *st_api;
53
54 /* on old libGL's invalidate doesn't get called as it should */
55 boolean broken_invalidate;
56
57 /* dri */
58 __DRIscreen *sPriv;
59 boolean throttling_enabled;
60 int default_throttle_frames;
61
62 /** Configuration cache with default values for all contexts */
63 driOptionCache optionCacheDefaults;
64
65 /** The screen's effective configuration options */
66 driOptionCache optionCache;
67
68 /* Which postprocessing filters are enabled. */
69 unsigned pp_enabled[PP_FILTERS];
70
71 /* drm */
72 int fd;
73
74 struct pipe_loader_device *dev;
75
76 /* gallium */
77 boolean d_depth_bits_last;
78 boolean sd_depth_bits_last;
79 boolean auto_fake_front;
80 enum pipe_texture_target target;
81
82 /* hooks filled in by dri2 & drisw */
83 __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
84 };
85
86 /** cast wrapper */
87 static INLINE struct dri_screen *
88 dri_screen(__DRIscreen * sPriv)
89 {
90 return (struct dri_screen *)sPriv->driverPrivate;
91 }
92
93 struct __DRIimageRec {
94 struct pipe_resource *texture;
95 unsigned level;
96 unsigned layer;
97 uint32_t dri_format;
98 uint32_t dri_components;
99
100 void *loader_private;
101
102 /**
103 * Provided by EGL_EXT_image_dma_buf_import.
104 */
105 enum __DRIYUVColorSpace yuv_color_space;
106 enum __DRISampleRange sample_range;
107 enum __DRIChromaSiting horizontal_siting;
108 enum __DRIChromaSiting vertical_siting;
109
110 };
111
112 #ifndef __NOT_HAVE_DRM_H
113
114 static INLINE boolean
115 dri_with_format(__DRIscreen * sPriv)
116 {
117 const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
118
119 return loader
120 && (loader->base.version >= 3)
121 && (loader->getBuffersWithFormat != NULL);
122 }
123
124 #else
125
126 static INLINE boolean
127 dri_with_format(__DRIscreen * sPriv)
128 {
129 return TRUE;
130 }
131
132 #endif
133
134 void
135 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
136 const struct gl_config *mode);
137
138 const __DRIconfig **
139 dri_init_screen_helper(struct dri_screen *screen,
140 struct pipe_screen *pscreen,
141 const char* driver_name);
142
143 void
144 dri_destroy_screen_helper(struct dri_screen * screen);
145
146 void
147 dri_destroy_screen(__DRIscreen * sPriv);
148
149 extern const struct __DriverAPIRec galliumdrm_driver_api;
150 extern const __DRIextension *galliumdrm_driver_extensions[];
151 extern const struct __DriverAPIRec galliumsw_driver_api;
152 extern const __DRIextension *galliumsw_driver_extensions[];
153 extern const __DRIconfigOptionsExtension gallium_config_options;
154
155 #endif
156
157 /* vim: set sw=3 ts=8 sts=3 expandtab: */