1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <sys/types.h>
4 #include <sys/stat.h>
5 #include <sys/select.h>
6 #include <fcntl.h>
7 #include <unistd.h>
8 #include <string.h>
9 #include <signal.h>
10 #include <time.h>
11 #include <errno.h>
12
13 #include <xf86drm.h>
14
15 #include "dev.h"
16 #include "bo.h"
17 #include "modeset.h"
18
19 static int terminate = 0;
20
sigint_handler(int arg)21 static void sigint_handler(int arg)
22 {
23 terminate = 1;
24 }
25
26 static void
page_flip_handler(int fd,unsigned int sequence,unsigned int tv_sec,unsigned int tv_usec,void * user_data)27 page_flip_handler(int fd, unsigned int sequence, unsigned int tv_sec,
28 unsigned int tv_usec, void *user_data)
29 {
30 }
31
incrementor(int * inc,int * val,int increment,int lower,int upper)32 static void incrementor(int *inc, int *val, int increment, int lower, int upper)
33 {
34 if(*inc > 0)
35 *inc = *val + increment >= upper ? -1 : 1;
36 else
37 *inc = *val - increment <= lower ? 1 : -1;
38 *val += *inc * increment;
39 }
40
main(int argc,char * argv[])41 int main(int argc, char *argv[])
42 {
43 int ret, i, j, num_test_planes;
44 int x_inc = 1, x = 0, y_inc = 1, y = 0;
45 uint32_t plane_w = 128, plane_h = 128;
46 struct sp_dev *dev;
47 struct sp_plane **plane = NULL;
48 struct sp_crtc *test_crtc;
49 fd_set fds;
50 drmModePropertySetPtr pset;
51 drmEventContext event_context = {
52 .version = DRM_EVENT_CONTEXT_VERSION,
53 .page_flip_handler = page_flip_handler,
54 };
55 int card = 0, crtc = 0;
56
57 signal(SIGINT, sigint_handler);
58
59 parse_arguments(argc, argv, &card, &crtc);
60
61 dev = create_sp_dev(card);
62 if (!dev) {
63 printf("Failed to create sp_dev\n");
64 return -1;
65 }
66
67 if (crtc >= dev->num_crtcs) {
68 printf("Invalid crtc %d (num=%d)\n", crtc, dev->num_crtcs);
69 return -1;
70 }
71
72 ret = initialize_screens(dev);
73 if (ret) {
74 printf("Failed to initialize screens\n");
75 goto out;
76 }
77 test_crtc = &dev->crtcs[crtc];
78
79 plane = calloc(dev->num_planes, sizeof(*plane));
80 if (!plane) {
81 printf("Failed to allocate plane array\n");
82 goto out;
83 }
84
85 /* Create our planes */
86 num_test_planes = test_crtc->num_planes;
87 for (i = 0; i < num_test_planes; i++) {
88 plane[i] = get_sp_plane(dev, test_crtc);
89 if (!plane[i]) {
90 printf("no unused planes available\n");
91 goto out;
92 }
93
94 plane[i]->bo = create_sp_bo(dev, plane_w, plane_h, 16, plane[i]->format, 0);
95 if (!plane[i]->bo) {
96 printf("failed to create plane bo\n");
97 goto out;
98 }
99
100 fill_bo(plane[i]->bo, 0xFF, 0xFF, 0xFF, 0xFF);
101 }
102
103 pset = drmModePropertySetAlloc();
104 if (!pset) {
105 printf("Failed to allocate the property set\n");
106 goto out;
107 }
108
109 while (!terminate) {
110 FD_ZERO(&fds);
111 FD_SET(dev->fd, &fds);
112
113 incrementor(&x_inc, &x, 5, 0,
114 test_crtc->crtc->mode.hdisplay - plane_w);
115 incrementor(&y_inc, &y, 5, 0, test_crtc->crtc->mode.vdisplay -
116 plane_h * num_test_planes);
117
118 for (j = 0; j < num_test_planes; j++) {
119 ret = set_sp_plane_pset(dev, plane[j], pset, test_crtc,
120 x, y + j * plane_h);
121 if (ret) {
122 printf("failed to move plane %d\n", ret);
123 goto out;
124 }
125 }
126
127 ret = drmModePropertySetCommit(dev->fd,
128 DRM_MODE_PAGE_FLIP_EVENT, NULL, pset);
129 if (ret) {
130 printf("failed to commit properties ret=%d\n", ret);
131 goto out;
132 }
133
134 do {
135 ret = select(dev->fd + 1, &fds, NULL, NULL, NULL);
136 } while (ret == -1 && errno == EINTR);
137
138 if (FD_ISSET(dev->fd, &fds))
139 drmHandleEvent(dev->fd, &event_context);
140 }
141
142 drmModePropertySetFree(pset);
143
144 for (i = 0; i < num_test_planes; i++)
145 put_sp_plane(plane[i]);
146
147 out:
148 destroy_sp_dev(dev);
149 free(plane);
150 return ret;
151 }
152