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StTextureCache: don't crash if we fail to allocate a framebuffer

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It's possible that FBO creation fails due to hw limits or the
driver not exposing the EXT_framebuffer_object extension.
In that case, just give up on creating square icons.

https://bugzilla.gnome.org/show_bug.cgi?id=724977
This commit is contained in:
Giovanni Campagna 2014-03-10 22:43:18 +01:00
parent 55d1c7e2ab
commit ac76940530
1 changed files with 21 additions and 1 deletions
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22
src/st/st-texture-cache.c
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@ -527,6 +527,7 @@ data_to_cogl_handle (const guchar *data,
CoglHandle texture, offscreen;
CoglColor clear_color;
guint size;
GError *error;
size = MAX (width, height);
@ -543,7 +544,26 @@ data_to_cogl_handle (const guchar *data,
COGL_TEXTURE_NO_SLICING,
COGL_PIXEL_FORMAT_ANY);
offscreen = cogl_offscreen_new_to_texture (texture);
offscreen = cogl_offscreen_new_with_texture (texture);
error = NULL;
if (!cogl_framebuffer_allocate (offscreen, &error))
{
g_warning ("Failed to allocate FBO (sized %d): %s", size, error->message);
cogl_object_unref (texture);
cogl_object_unref (offscreen);
g_clear_error (&error);
return cogl_texture_new_from_data (width,
height,
COGL_TEXTURE_NONE,
has_alpha ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
COGL_PIXEL_FORMAT_ANY,
rowstride,
data);
}
cogl_color_set_from_4ub (&clear_color, 0, 0, 0, 0);
cogl_push_framebuffer (offscreen);
cogl_clear (&clear_color, COGL_BUFFER_BIT_COLOR);