1 /*
2  * Copyright © 2007 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  * Authors:
24  *    Eric Anholt <eric@anholt.net>
25  *
26  */
27 
28 #include "drmtest.h"
29 
30 static void
set_draw_cliprects_empty(int fd,int drawable)31 set_draw_cliprects_empty(int fd, int drawable)
32 {
33 	int ret;
34 	struct drm_update_draw update;
35 
36 	update.handle = drawable;
37 	update.type = DRM_DRAWABLE_CLIPRECTS;
38 	update.num = 0;
39 	update.data = 0;
40 
41 	ret = ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update);
42 	assert(ret == 0);
43 }
44 
45 static void
set_draw_cliprects_empty_fail(int fd,int drawable)46 set_draw_cliprects_empty_fail(int fd, int drawable)
47 {
48 	int ret;
49 	struct drm_update_draw update;
50 
51 	update.handle = drawable;
52 	update.type = DRM_DRAWABLE_CLIPRECTS;
53 	update.num = 0;
54 	update.data = 0;
55 
56 	ret = ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update);
57 	assert(ret == -1 && errno == EINVAL);
58 }
59 
60 static void
set_draw_cliprects_2(int fd,int drawable)61 set_draw_cliprects_2(int fd, int drawable)
62 {
63 	int ret;
64 	struct drm_update_draw update;
65 	drm_clip_rect_t rects[2];
66 
67 	rects[0].x1 = 0;
68 	rects[0].y1 = 0;
69 	rects[0].x2 = 10;
70 	rects[0].y2 = 10;
71 
72 	rects[1].x1 = 10;
73 	rects[1].y1 = 10;
74 	rects[1].x2 = 20;
75 	rects[1].y2 = 20;
76 
77 	update.handle = drawable;
78 	update.type = DRM_DRAWABLE_CLIPRECTS;
79 	update.num = 2;
80 	update.data = (unsigned long long)(uintptr_t)&rects;
81 
82 	ret = ioctl(fd, DRM_IOCTL_UPDATE_DRAW, &update);
83 	assert(ret == 0);
84 }
85 
add_drawable(int fd)86 static int add_drawable(int fd)
87 {
88 	drm_draw_t drawarg;
89 	int ret;
90 
91 	/* Create a drawable.
92 	 * IOCTL_ADD_DRAW is RDWR, though it should really just be RD
93 	 */
94 	drawarg.handle = 0;
95 	ret = ioctl(fd, DRM_IOCTL_ADD_DRAW, &drawarg);
96 	assert(ret == 0);
97 	return drawarg.handle;
98 }
99 
rm_drawable(int fd,int drawable,int fail)100 static int rm_drawable(int fd, int drawable, int fail)
101 {
102 	drm_draw_t drawarg;
103 	int ret;
104 
105 	/* Create a drawable.
106 	 * IOCTL_ADD_DRAW is RDWR, though it should really just be RD
107 	 */
108 	drawarg.handle = drawable;
109 	ret = ioctl(fd, DRM_IOCTL_RM_DRAW, &drawarg);
110 	if (!fail)
111 		assert(ret == 0);
112 	else
113 		assert(ret == -1 && errno == EINVAL);
114 
115 	return drawarg.handle;
116 }
117 
118 /**
119  * Tests drawable management: adding, removing, and updating the cliprects of
120  * drawables.
121  */
main(int argc,char ** argv)122 int main(int argc, char **argv)
123 {
124 	int fd, ret, d1, d2;
125 
126 	if (getuid() != 0) {
127 		fprintf(stderr, "updatedraw test requires root, skipping\n");
128 		return 0;
129 	}
130 
131 	fd = drm_open_any_master();
132 
133 	d1 = add_drawable(fd);
134 	d2 = add_drawable(fd);
135 	/* Do a series of cliprect updates */
136 	set_draw_cliprects_empty(fd, d1);
137 	set_draw_cliprects_empty(fd, d2);
138 	set_draw_cliprects_2(fd, d1);
139 	set_draw_cliprects_empty(fd, d1);
140 
141 	/* Remove our drawables */
142 	rm_drawable(fd, d1, 0);
143 	rm_drawable(fd, d2, 0);
144 
145 	/* Check that removing an unknown drawable returns error */
146 	rm_drawable(fd, 0x7fffffff, 1);
147 
148 	/* Attempt to set cliprects on a nonexistent drawable */
149 	set_draw_cliprects_empty_fail(fd, d1);
150 
151 	close(fd);
152 	return 0;
153 }
154