norohind/kmscon
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Set console resolution to 800x600 by default

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This sets the console resolution to 800x600 on startup. We no longer have a
console with an invalid resolution after startup so we now can start calculating
font sizes properly.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2011-11-26 17:04:52 +01:00
parent e5de20a22a
commit 607a5eed54
1 changed files with 24 additions and 10 deletions
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34
src/console.c
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@ -48,6 +48,18 @@ struct kmscon_console {
struct kmscon_font *font;
};
static void kmscon_console_free_res(struct kmscon_console *con)
{
if (con && con->cr) {
cairo_destroy(con->cr);
cairo_surface_destroy(con->surf);
free(con->surf_buf);
con->cr = NULL;
con->surf = NULL;
con->surf_buf = NULL;
}
}
int kmscon_console_new(struct kmscon_console **out)
{
struct kmscon_console *con;
@ -63,15 +75,21 @@ int kmscon_console_new(struct kmscon_console **out)
memset(con, 0, sizeof(*con));
con->ref = 1;
ret = kmscon_console_resize(con, 80, 24);
ret = kmscon_console_set_res(con, 800, 600);
if (ret)
goto err_free;
ret = kmscon_console_resize(con, 80, 24);
if (ret)
goto err_res;
glGenTextures(1, &con->tex);
*out = con;
return 0;
err_res:
kmscon_console_free_res(con);
err_free:
free(con);
return ret;
@ -111,12 +129,7 @@ void kmscon_console_unref(struct kmscon_console *con)
if (--con->ref)
return;
if (con->cr) {
cairo_destroy(con->cr);
cairo_surface_destroy(con->surf);
free(con->surf_buf);
}
kmscon_console_free_res(con);
kmscon_font_unref(con->font);
console_free_cells(con);
glDeleteTextures(1, &con->tex);
@ -125,14 +138,15 @@ void kmscon_console_unref(struct kmscon_console *con)
/*
* This resets the resolution used for drawing operations. It is recommended to
* set this to the size of your framebuffer, howevr, you can set this to
* set this to the size of your framebuffer, however, you can set this to
* anything except 0.
* This image-resolution is used internally to render the console fonts. The
* kmscon_console_map() function can map this image to any framebuffer size you
* want. Therefore, this screen resolution is just a performance and quality
* hint.
* This function must be called before drawing the console, though. Returns 0 on
* success, -EINVAL if con, x or y is 0/NULL and -ENOMEM on out-of-mem errors.
* By default this is set to 800x600.
* Returns 0 on success -EINVAL if con, x or y is 0/NULL and -ENOMEM on
* out-of-mem errors.
*/
int kmscon_console_set_res(struct kmscon_console *con, uint32_t x, uint32_t y)
{