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| #include <fcntl.h>
| #include <stdlib.h>
| #include <unistd.h>
| #include <xf86drm.h>
| #include <sys/mman.h>
|
| #include <xf86drm.h>
| #include <xf86drmMode.h>
|
| #define CURSOR_WIDTH 64
| #define CURSOR_HEIGHT 64
|
| int main(int argc, const char **argv)
| {
| int fd = open("/dev/dri/card0", O_RDWR | O_CLOEXEC);
| int width = CURSOR_WIDTH;
| int height = CURSOR_HEIGHT;
| int crtc_id = 0;
|
| struct drm_mode_create_dumb create_arg = {
| .width = width,
| .height = height,
| .bpp = 32,
| };
|
| drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg);
| int handle = create_arg.handle;
| int size = create_arg.size;
|
| struct drm_mode_map_dumb map_arg = {
| .handle = handle,
| };
|
| drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
|
| int *ptr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED,
| fd, map_arg.offset);
| for (int i = 0; i < width * height; i++)
| ptr[i] = 0x4F000000 | (i % width) * 2 << 16 | (i / height) << 8;
|
| if (argc > 1)
| crtc_id = atoi(argv[1]);
|
| if (argc > 2)
| setenv("DRM_CURSOR_PREFER_PLANE", argv[2], 1);
|
| drmModeSetCursor(fd, crtc_id, handle, width, height);
|
| for (int i = 0; i < 100000; i++) {
| drmModeMoveCursor(fd, crtc_id, i % 1024, i % 1024);
| usleep(100000);
| }
|
| return 0;
| }
|
|
