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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