diff options
Diffstat (limited to 'src/compositor/meta-background.c')
| -rw-r--r-- | src/compositor/meta-background.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/compositor/meta-background.c b/src/compositor/meta-background.c index fca5dce60..35ca45c53 100644 --- a/src/compositor/meta-background.c +++ b/src/compositor/meta-background.c @@ -32,6 +32,8 @@ #include <clutter/clutter.h> +#include <GL/gl.h> + #include "cogl-utils.h" #include "compositor-private.h" #include "mutter-enum-types.h" @@ -971,6 +973,7 @@ load_file (GTask *task, { GError *error = NULL; GdkPixbuf *pixbuf; + int max_texture_size = 0; pixbuf = gdk_pixbuf_new_from_file (task_data->filename, &error); @@ -981,6 +984,33 @@ load_file (GTask *task, return; } + glGetIntegerv (GL_MAX_TEXTURE_SIZE, &max_texture_size); + + if (glGetError () != GL_NO_ERROR) + max_texture_size = 0; + + if (max_texture_size > 0) { + double width, height; + + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + + if (width > max_texture_size || height > max_texture_size) { + GdkPixbuf *scaled_pixbuf; + + if (width > height) { + width = max_texture_size; + height *= max_texture_size / width; + } else { + width *= max_texture_size / height; + height = max_texture_size; + } + scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_BILINEAR); + g_object_unref (pixbuf); + pixbuf = scaled_pixbuf; + } + } + g_task_return_pointer (task, pixbuf, (GDestroyNotify) g_object_unref); } |