Hi,
Your demo program works normally for me.
Perhaps it a problem related to others such as VGA driver...
--
Best Regards,
在2009-12-02，"Aapo Rantalainen" <aapo.rantalai...@gmail.com> 写道：
>Hi, I'm working with actor preloader i.e. main-loop is running and
>another thread loads actors. I'm not even plan to add these on stage,
>just load them.
>
>In this example application I add them to stage, because now it forms
>complete application.
>If in thread I make clutterRectangle, it works.
>If in thread I try to make clutterTexture from image file, I got
>"Failed to create COGL texture".
>
>Is this bug, or how I should make this working?
>
>#include <clutter/clutter.h>
>
>ClutterActor *stage;
>
>void *start_preloader(int parameter) {
> g_usleep( 1 * G_USEC_PER_SEC );
> ClutterActor *actor;
>
> if (parameter==2)
> {
> GError* error = NULL;
> if (!(actor = clutter_texture_new_from_file("image.png", &error))) {
> fprintf(stderr, "%s\n", error->message);
> g_error_free(error);
> }
> }
>
> else
> {
> actor =clutter_rectangle_new();
> clutter_actor_set_size (actor, 400, 80);
> clutter_actor_set_position (actor, 10, 10);
> clutter_rectangle_set_border_width(CLUTTER_RECTANGLE(actor),10);
> }
>
> clutter_container_add_actor(CLUTTER_CONTAINER(stage), actor);
> pthread_exit(NULL);
>}
>
>
>int main (int argc, char *argv[]) {
> ClutterActor *actor;
> clutter_init (&argc, &argv);
>
> stage = clutter_stage_get_default ();
>
> actor =clutter_rectangle_new();
> clutter_actor_set_size (actor, 400, 400);
> clutter_actor_set_position (actor, 40, 40);
> clutter_rectangle_set_border_width(CLUTTER_RECTANGLE(actor),16);
>
> clutter_container_add_actor(CLUTTER_CONTAINER(stage), actor);
> clutter_actor_show_all(stage);
>
> pthread_t preloader_thread;
> pthread_create(&preloader_thread, NULL, start_preloader, argc);
>
> clutter_main();
> return 0;
>}
>
>
>Usage:
>copy any png image to working directory and rename it to image.png
>compile: gcc `pkg-config --libs --cflags clutter-1.0` main.c
>./a.out
> Main loop starts, then preloader waits one second. Move mouse over
>stage, so it is refreshed and then second rectangle will be visible.
>
>./a.out BUG
> Main loop starts, one second later preloader tries to open png file
>and gives error: "Failed to create COGL texture" and actor is NULL.
>
>
>This error message is coming from clutter-texture:1976
>(clutter_texture_set_from_file), but I do not understand why.
>
>-Aapo Rantalainen
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>
