1 /**************************************************************************
2 *
3 * Copyright 2009 Younes Manton.
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 TUNGSTEN GRAPHICS 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 /* directly referenced from target Makefile, because of X dependencies */
29
30 #include <sys/time.h>
31
32 #include "pipe/p_state.h"
33
34 #include "util/u_memory.h"
35 #include "util/u_format.h"
36 #include "util/u_inlines.h"
37
38 #include "state_tracker/xlib_sw_winsys.h"
39 #include "softpipe/sp_public.h"
40
41 #include "vl/vl_compositor.h"
42 #include "vl/vl_winsys.h"
43
44 struct vl_xsp_screen
45 {
46 struct vl_screen base;
47 Display *display;
48 int screen;
49 Visual visual;
50 struct xlib_drawable xdraw;
51 struct pipe_resource *tex;
52 struct u_rect dirty_area;
53 };
54
55 struct pipe_resource*
vl_screen_texture_from_drawable(struct vl_screen * vscreen,Drawable drawable)56 vl_screen_texture_from_drawable(struct vl_screen *vscreen, Drawable drawable)
57 {
58 struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
59 Window root;
60 int x, y;
61 unsigned int width, height;
62 unsigned int border_width;
63 unsigned int depth;
64 struct pipe_resource templat;
65
66 assert(vscreen);
67 assert(drawable != None);
68
69 if (XGetGeometry(xsp_screen->display, drawable, &root, &x, &y, &width, &height, &border_width, &depth) == BadDrawable)
70 return NULL;
71
72 xsp_screen->xdraw.drawable = drawable;
73
74 if (xsp_screen->tex) {
75 if (xsp_screen->tex->width0 == width && xsp_screen->tex->height0 == height)
76 return xsp_screen->tex;
77 pipe_resource_reference(&xsp_screen->tex, NULL);
78 vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
79 }
80
81 memset(&templat, 0, sizeof(struct pipe_resource));
82 templat.target = PIPE_TEXTURE_2D;
83 /* XXX: Need to figure out drawable's format */
84 templat.format = PIPE_FORMAT_B8G8R8X8_UNORM;
85 templat.last_level = 0;
86 templat.width0 = width;
87 templat.height0 = height;
88 templat.depth0 = 1;
89 templat.usage = PIPE_USAGE_DEFAULT;
90 templat.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET;
91 templat.flags = 0;
92
93 xsp_screen->xdraw.depth = 24/*util_format_get_blocksizebits(templat.format) /
94 util_format_get_blockwidth(templat.format)*/;
95
96 pipe_resource_reference(&xsp_screen->tex, vscreen->pscreen->resource_create(vscreen->pscreen, &templat));
97 return xsp_screen->tex;
98 }
99
100 struct u_rect *
vl_screen_get_dirty_area(struct vl_screen * vscreen)101 vl_screen_get_dirty_area(struct vl_screen *vscreen)
102 {
103 struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
104 return &xsp_screen->dirty_area;
105 }
106
107 uint64_t
vl_screen_get_timestamp(struct vl_screen * vscreen,Drawable drawable)108 vl_screen_get_timestamp(struct vl_screen *vscreen, Drawable drawable)
109 {
110 struct timeval tv;
111 gettimeofday(&tv, NULL);
112 return (uint64_t)tv.tv_sec * 1000000000LL + (uint64_t)tv.tv_usec * 1000LL;
113 }
114
115 void
vl_screen_set_next_timestamp(struct vl_screen * vscreen,uint64_t stamp)116 vl_screen_set_next_timestamp(struct vl_screen *vscreen, uint64_t stamp)
117 {
118 /* not supported on softpipe and so only a dummy */
119 }
120
121 void*
vl_screen_get_private(struct vl_screen * vscreen)122 vl_screen_get_private(struct vl_screen *vscreen)
123 {
124 struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
125 return &xsp_screen->xdraw;
126 }
127
128 struct vl_screen*
vl_screen_create(Display * display,int screen)129 vl_screen_create(Display *display, int screen)
130 {
131 struct vl_xsp_screen *xsp_screen;
132 struct sw_winsys *winsys;
133
134 assert(display);
135
136 xsp_screen = CALLOC_STRUCT(vl_xsp_screen);
137 if (!xsp_screen)
138 return NULL;
139
140 winsys = xlib_create_sw_winsys(display);
141 if (!winsys) {
142 FREE(xsp_screen);
143 return NULL;
144 }
145
146 xsp_screen->base.pscreen = softpipe_create_screen(winsys);
147 if (!xsp_screen->base.pscreen) {
148 winsys->destroy(winsys);
149 FREE(xsp_screen);
150 return NULL;
151 }
152
153 xsp_screen->display = display;
154 xsp_screen->screen = screen;
155 xsp_screen->xdraw.visual = XDefaultVisual(display, screen);
156 vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
157
158 return &xsp_screen->base;
159 }
160
vl_screen_destroy(struct vl_screen * vscreen)161 void vl_screen_destroy(struct vl_screen *vscreen)
162 {
163 struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
164
165 assert(vscreen);
166
167 pipe_resource_reference(&xsp_screen->tex, NULL);
168 vscreen->pscreen->destroy(vscreen->pscreen);
169 FREE(vscreen);
170 }
171