1 /*
2  * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sub license, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial portions
14  * of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #ifndef _VA_DRICOMMON_H_
25 #define _VA_DRICOMMON_H_
26 
27 #ifndef ANDROID
28 #include <X11/Xlib.h>
29 #include <xf86drm.h>
30 #include <drm.h>
31 #include <drm_sarea.h>
32 #endif
33 
34 #include <va/va_backend.h>
35 #include <va/va_drmcommon.h>
36 
37 #ifdef ANDROID
38 #define XID unsigned int
39 #define Bool int
40 #endif
41 
42 enum {
43     /* Compatibility. Do not use for newly-written code. */
44     VA_NONE     = VA_DRM_AUTH_NONE,
45     VA_DRI1     = VA_DRM_AUTH_DRI1,
46     VA_DRI2     = VA_DRM_AUTH_DRI2,
47     VA_DUMMY    = VA_DRM_AUTH_CUSTOM
48 };
49 
50 union dri_buffer
51 {
52     struct {
53         unsigned int attachment;
54         unsigned int name;
55         unsigned int pitch;
56         unsigned int cpp;
57         unsigned int flags;
58     } dri2;
59 
60     struct {
61     } dri1;
62 };
63 
64 struct dri_drawable
65 {
66     XID x_drawable;
67     int is_window;
68     int x;
69     int y;
70     unsigned int width;
71     unsigned int height;
72     struct dri_drawable *next;
73 };
74 
75 #define DRAWABLE_HASH_SZ 32
76 struct dri_state
77 {
78     struct drm_state base;
79 #ifndef ANDROID
80     drm_handle_t hSAREA;
81     drm_context_t hwContext;
82     drmAddress pSAREA;
83     XID hwContextID;
84     struct dri_drawable *drawable_hash[DRAWABLE_HASH_SZ];
85 
86     struct dri_drawable *(*createDrawable)(VADriverContextP ctx, XID x_drawable);
87     void (*destroyDrawable)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
88     void (*swapBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
89     union dri_buffer *(*getRenderingBuffer)(VADriverContextP ctx, struct dri_drawable *dri_drawable);
90     void (*close)(VADriverContextP ctx);
91 #endif
92 };
93 
94 Bool isDRI2Connected(VADriverContextP ctx, char **driver_name);
95 Bool isDRI1Connected(VADriverContextP ctx, char **driver_name);
96 void free_drawable(VADriverContextP ctx, struct dri_drawable* dri_drawable);
97 void free_drawable_hashtable(VADriverContextP ctx);
98 struct dri_drawable *dri_get_drawable(VADriverContextP ctx, XID drawable);
99 void dri_swap_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);
100 union dri_buffer *dri_get_rendering_buffer(VADriverContextP ctx, struct dri_drawable *dri_drawable);
101 
102 #endif /* _VA_DRICOMMON_H_ */
103