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testdisplay: allow overlay plane to be moved & scaled at runtime

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For additional testing.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Jesse Barnes 2011-10-28 05:25:53 +02:00
parent 2b484c16dd
commit 1f4c37a6e9
1 changed files with 48 additions and 18 deletions
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66
tests/testdisplay.c
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@ -90,6 +90,10 @@ int force_vsync_end;
int force_vtotal;
int crtc_x, crtc_y, crtc_w, crtc_h;
unsigned int plane_fb_id;
unsigned int plane_crtc_id;
unsigned int plane_id;
int plane_width, plane_height;
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
@ -711,59 +715,70 @@ enable_plane(struct connector *c)
cairo_surface_t *surface;
cairo_status_t status;
cairo_t *cr;
unsigned int fb_id;
uint32_t handle, x, y, plane_id;
int width, height;
uint32_t handle, x, y;
int ret;
width = c->mode.hdisplay * 0.50;
height = c->mode.vdisplay * 0.50;
plane_width = c->mode.hdisplay * 0.50;
plane_height = c->mode.vdisplay * 0.50;
x = (c->mode.hdisplay - width) / 2;
y = (c->mode.vdisplay - height) / 2;
x = (c->mode.hdisplay - plane_width) / 2;
y = (c->mode.vdisplay - plane_height) / 2;
plane_id = connector_find_plane(c);
plane_crtc_id = c->crtc;
if (!plane_id) {
fprintf(stderr, "failed to find plane for crtc\n");
return;
}
surface = allocate_surface(fd, width, height, 24, 32, &handle, 1);
surface = allocate_surface(fd, plane_width, plane_height, 24, 32, &handle, 1);
if (!surface) {
fprintf(stderr, "allocation failed %dx%d\n", width, height);
fprintf(stderr, "allocation failed %dx%d\n", plane_width, plane_height);
return;
}
cr = cairo_create(surface);
paint_plane(cr, width, height,
paint_plane(cr, plane_width, plane_height,
cairo_image_surface_get_stride(surface));
status = cairo_status(cr);
cairo_destroy(cr);
if (status)
fprintf(stderr, "failed to draw plane %dx%d: %s\n",
width, height, cairo_status_to_string(status));
plane_width, plane_height, cairo_status_to_string(status));
ret = drmModeAddFB2(fd, width, height, V4L2_PIX_FMT_RGB32, 24, 32,
ret = drmModeAddFB2(fd, plane_width, plane_height, V4L2_PIX_FMT_RGB32, 24, 32,
cairo_image_surface_get_stride(surface),
handle, &fb_id);
handle, &plane_fb_id);
cairo_surface_destroy(surface);
gem_close(fd, handle);
if (ret) {
fprintf(stderr, "failed to add fb (%dx%d): %s\n",
width, height, strerror(errno));
plane_width, plane_height, strerror(errno));
return;
}
if (drmModeSetPlane(fd, plane_id, c->crtc, fb_id, crtc_x, crtc_y,
crtc_w, crtc_h, 0, 0, width, height)) {
if (drmModeSetPlane(fd, plane_id, plane_crtc_id, plane_fb_id, crtc_x, crtc_y,
crtc_w, crtc_h, 0, 0, plane_width, plane_height)) {
fprintf(stderr, "failed to enable plane: %s\n",
strerror(errno));
return;
}
}
static void
adjust_plane(int fd, int xdistance, int ydistance, int wdiff, int hdiff)
{
crtc_x += xdistance;
crtc_y += ydistance;
crtc_w += wdiff;
crtc_h += hdiff;
if (drmModeSetPlane(fd, plane_id, plane_crtc_id, plane_fb_id, crtc_x, crtc_y,
crtc_w, crtc_h, 0, 0, plane_width, plane_height))
fprintf(stderr, "failed to adjust plane: %s\n", strerror(errno));
}
static void
disable_planes(int fd)
{
@ -1019,14 +1034,29 @@ out:
static gboolean input_event(GIOChannel *source, GIOCondition condition,
gpointer data)
{
gchar buf[256];
gchar buf[1];
gsize count;
count = read(g_io_channel_unix_get_fd(source), buf, sizeof(buf));
if (buf[0] == 'q' && (count == 1 || buf[1] == '\n')) {
disable_planes(fd);
exit(0);
}
} else if (buf[0] == 'a')
adjust_plane(fd, -10, 0, 0, 0);
else if (buf[0] == 'd')
adjust_plane(fd, 10, 0, 0, 0);
else if (buf[0] == 'w')
adjust_plane(fd, 0, -10, 0, 0);
else if (buf[0] == 's')
adjust_plane(fd, 0, 10, 0, 0);
else if (buf[0] == 'j')
adjust_plane(fd, 0, 0, 10, 0);
else if (buf[0] == 'l')
adjust_plane(fd, 0, 0, -10, 0);
else if (buf[0] == 'k')
adjust_plane(fd, 0, 0, 0, -10);
else if (buf[0] == 'i')
adjust_plane(fd, 0, 0, 0, 10);
return TRUE;
}