Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 1 | #include <stdint.h> |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 2 | #include <stdio.h> |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 3 | #include <stdlib.h> |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 4 | #include <string.h> |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 5 | #include <i915_drm.h> |
| 6 | #include <sys/ioctl.h> |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 7 | #include <time.h> |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 8 | #include <fcntl.h> |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 9 | #include <unistd.h> |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 10 | #include <math.h> |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 11 | #include <time.h> |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 12 | #include <cairo.h> |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 13 | #include <glib.h> |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 14 | |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 15 | #include "wayland-client.h" |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 16 | #include "wayland-glib.h" |
Kristian Høgsberg | 18fb783 | 2008-11-25 22:53:28 -0500 | [diff] [blame] | 17 | #include "cairo-util.h" |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 18 | |
| 19 | static const char gem_device[] = "/dev/dri/card0"; |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 20 | static const char socket_name[] = "\0wayland"; |
| 21 | |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 22 | static void |
| 23 | set_random_color(cairo_t *cr) |
| 24 | { |
| 25 | cairo_set_source_rgba(cr, |
Kristian Høgsberg | d311e8a | 2008-10-12 22:58:40 -0400 | [diff] [blame] | 26 | 0.5 + (random() % 50) / 49.0, |
| 27 | 0.5 + (random() % 50) / 49.0, |
| 28 | 0.5 + (random() % 50) / 49.0, |
| 29 | 0.5 + (random() % 100) / 99.0); |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 33 | static void * |
| 34 | draw_stuff(int width, int height) |
| 35 | { |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 36 | const int petal_count = 3 + random() % 5; |
| 37 | const double r1 = 60 + random() % 35; |
| 38 | const double r2 = 20 + random() % 40; |
| 39 | const double u = (10 + random() % 90) / 100.0; |
| 40 | const double v = (random() % 90) / 100.0; |
| 41 | |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 42 | cairo_surface_t *surface; |
| 43 | cairo_t *cr; |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 44 | int i; |
| 45 | double t, dt = 2 * M_PI / (petal_count * 2); |
| 46 | double x1, y1, x2, y2, x3, y3; |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 47 | |
| 48 | surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, |
| 49 | width, height); |
| 50 | |
| 51 | cr = cairo_create(surface); |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 52 | cairo_translate(cr, width / 2, height / 2); |
| 53 | cairo_move_to(cr, cos(t) * r1, sin(t) * r1); |
| 54 | for (t = 0, i = 0; i < petal_count; i++, t += dt * 2) { |
| 55 | x1 = cos(t) * r1; |
| 56 | y1 = sin(t) * r1; |
| 57 | x2 = cos(t + dt) * r2; |
| 58 | y2 = sin(t + dt) * r2; |
| 59 | x3 = cos(t + 2 * dt) * r1; |
| 60 | y3 = sin(t + 2 * dt) * r1; |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 61 | |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 62 | cairo_curve_to(cr, |
| 63 | x1 - y1 * u, y1 + x1 * u, |
| 64 | x2 + y2 * v, y2 - x2 * v, |
| 65 | x2, y2); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 66 | |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 67 | cairo_curve_to(cr, |
| 68 | x2 - y2 * v, y2 + x2 * v, |
| 69 | x3 + y3 * u, y3 - x3 * u, |
| 70 | x3, y3); |
| 71 | } |
| 72 | |
| 73 | cairo_close_path(cr); |
| 74 | set_random_color(cr); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 75 | cairo_fill_preserve(cr); |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 76 | set_random_color(cr); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 77 | cairo_stroke(cr); |
| 78 | |
| 79 | cairo_destroy(cr); |
| 80 | |
| 81 | return surface; |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 82 | } |
| 83 | |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 84 | struct flower { |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 85 | struct wl_display *display; |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 86 | struct wl_surface *surface; |
| 87 | int i; |
| 88 | int x, y, width, height; |
| 89 | }; |
| 90 | |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 91 | static void |
| 92 | move_flower(struct flower *flower) |
Kristian Høgsberg | 427524a | 2008-10-08 13:32:07 -0400 | [diff] [blame] | 93 | { |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 94 | wl_surface_map(flower->surface, |
| 95 | flower->x + cos(flower->i / 31.0) * 400 - flower->width / 2, |
| 96 | flower->y + sin(flower->i / 27.0) * 300 - flower->height / 2, |
| 97 | flower->width, flower->height); |
| 98 | flower->i++; |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 99 | wl_display_commit(flower->display, 0); |
| 100 | } |
Kristian Høgsberg | 427524a | 2008-10-08 13:32:07 -0400 | [diff] [blame] | 101 | |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 102 | static void |
| 103 | event_handler(struct wl_display *display, |
| 104 | uint32_t object, uint32_t opcode, |
| 105 | uint32_t size, uint32_t *p, void *data) |
| 106 | { |
| 107 | if (object == 1) |
| 108 | move_flower(data); |
Kristian Høgsberg | 427524a | 2008-10-08 13:32:07 -0400 | [diff] [blame] | 109 | } |
| 110 | |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 111 | int main(int argc, char *argv[]) |
| 112 | { |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 113 | struct wl_display *display; |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 114 | int fd; |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 115 | cairo_surface_t *s; |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 116 | struct timespec ts; |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 117 | GMainLoop *loop; |
| 118 | GSource *source; |
| 119 | struct flower flower; |
Kristian Høgsberg | 18fb783 | 2008-11-25 22:53:28 -0500 | [diff] [blame] | 120 | struct buffer *buffer; |
Kristian Høgsberg | a234e70 | 2008-10-11 22:13:51 -0400 | [diff] [blame] | 121 | |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 122 | fd = open(gem_device, O_RDWR); |
| 123 | if (fd < 0) { |
| 124 | fprintf(stderr, "drm open failed: %m\n"); |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 125 | return -1; |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 126 | } |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 127 | |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 128 | loop = g_main_loop_new(NULL, FALSE); |
| 129 | |
| 130 | display = wl_display_create(socket_name); |
Kristian Høgsberg | 427524a | 2008-10-08 13:32:07 -0400 | [diff] [blame] | 131 | if (display == NULL) { |
| 132 | fprintf(stderr, "failed to create display: %m\n"); |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 133 | return -1; |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 134 | } |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 135 | |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 136 | source = wayland_source_new(display); |
| 137 | g_source_attach(source, NULL); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 138 | |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 139 | flower.display = display; |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 140 | flower.x = 512; |
| 141 | flower.y = 384; |
| 142 | flower.width = 200; |
| 143 | flower.height = 200; |
| 144 | flower.surface = wl_display_create_surface(display); |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 145 | |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 146 | clock_gettime(CLOCK_MONOTONIC, &ts); |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 147 | srandom(ts.tv_nsec); |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 148 | flower.i = ts.tv_nsec; |
Kristian Høgsberg | d3fa34c | 2008-11-02 15:28:22 -0500 | [diff] [blame] | 149 | |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 150 | s = draw_stuff(flower.width, flower.height); |
Kristian Høgsberg | 18fb783 | 2008-11-25 22:53:28 -0500 | [diff] [blame] | 151 | buffer = buffer_create_from_cairo_surface(fd, s); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 152 | |
Kristian Høgsberg | 18fb783 | 2008-11-25 22:53:28 -0500 | [diff] [blame] | 153 | wl_surface_attach(flower.surface, buffer->name, flower.width, flower.height, |
| 154 | buffer->stride); |
Kristian Høgsberg | 44f36e3 | 2008-11-26 12:57:31 -0500 | [diff] [blame^] | 155 | wl_display_set_event_handler(display, event_handler, &flower); |
| 156 | move_flower(&flower); |
Kristian Høgsberg | a67a71a | 2008-10-07 10:10:36 -0400 | [diff] [blame] | 157 | |
Kristian Høgsberg | fb59084 | 2008-11-07 14:27:23 -0500 | [diff] [blame] | 158 | g_main_loop_run(loop); |
Kristian Høgsberg | 97f1ebe | 2008-09-30 09:46:10 -0400 | [diff] [blame] | 159 | |
| 160 | return 0; |
| 161 | } |