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compsitor-x11: Report more accurate dimension of outputs

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We use the X screen DPI to compute the X11 compositor output size,
which gives us a more accurate and useful value in the wl_output
geometry event.
This commit is contained in:
Kristian Høgsberg 2014-03-18 12:15:42 -07:00
parent e0de3c2418
commit 8404acb36f
1 changed files with 6 additions and 2 deletions
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8
src/compositor-x11.c
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@ -761,7 +761,7 @@ x11_compositor_create_output(struct x11_compositor *c, int x, int y,
xcb_screen_iterator_t iter;
struct wm_normal_hints normal_hints;
struct wl_event_loop *loop;
int output_width, output_height;
int output_width, output_height, width_mm, height_mm;
int ret;
uint32_t mask = XCB_CW_EVENT_MASK | XCB_CW_CURSOR;
xcb_atom_t atom_list[1];
@ -876,8 +876,12 @@ x11_compositor_create_output(struct x11_compositor *c, int x, int y,
if (configured_name)
output->base.name = strdup(configured_name);
width_mm = width * c->screen->width_in_millimeters /
c->screen->width_in_pixels;
height_mm = height * c->screen->height_in_millimeters /
c->screen->height_in_pixels;
weston_output_init(&output->base, &c->base,
x, y, width, height, transform, scale);
x, y, width_mm, height_mm, transform, scale);
if (c->use_pixman) {
if (x11_output_init_shm(c, output,