static void draw_cursor(cairo_t *cr, int x, int y, int cw, int ch)
{
int wl, wr, ht, hb;
/* deal with odd cursor width/height */
wl = cw / 2;
wr = (cw + 1) / 2;
ht = ch / 2;
hb = (ch + 1) / 2;
/* Cairo doesn't like to be fed numbers that are too wild */
if ((x < SHRT_MIN) || (x > SHRT_MAX) || (y < SHRT_MIN) || (y > SHRT_MAX))
return;
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
/* 4 color rectangles in the corners, RGBY */
igt_paint_color_alpha(cr, x, y, wl, ht, 1.0, 0.0, 0.0, 1.0);
igt_paint_color_alpha(cr, x + wl, y, wr, ht, 0.0, 1.0, 0.0, 1.0);
igt_paint_color_alpha(cr, x, y + ht, wl, hb, 0.0, 0.0, 1.0, 1.0);
igt_paint_color_alpha(cr, x + wl, y + ht, wr, hb, 0.5, 0.5, 0.5, 1.0);
}
static void create_cursor_fb(data_t *data)
{
cairo_t *cr;
uint32_t fb_id;
fb_id = igt_create_fb(data->drm_fd, 64, 64,
DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
&data->fb_white);
igt_assert(fb_id);
cr = igt_get_cairo_ctx(data->drm_fd, &data->fb_white);
igt_paint_color_alpha(cr, 0, 0, 64, 64, 1.0, 1.0, 1.0, 1.0);
igt_assert(cairo_status(cr) == 0);
}
