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Viewing changes to tests/interactive/test-shader.c

  • Committer: Bazaar Package Importer
  • Author(s): Emilio Pozuelo Monfort
  • Date: 2010-03-21 13:27:56 UTC
  • mto: (2.1.3 experimental) (1.3.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 8.
  • Revision ID: james.westby@ubuntu.com-20100321132756-nf8yd30yxo3zzwcm
Tags: upstream-1.2.2
Import upstream version 1.2.2

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tests/interactive/test-shader.c
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static gint shader_no = 0;
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static int
 
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next_p2 (gint a)
 
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{
 
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  int rval = 1;
 
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  while (rval < a)
 
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    rval <<= 1;
 
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  return rval;
 
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}
 
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static void
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set_shader_num (ClutterActor *actor, gint new_no)
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{
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          if (CLUTTER_IS_TEXTURE (actor))
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            {
 
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              /* XXX - this assumes *a lot* about how things are done
 
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               * internally on *some* hardware and driver
 
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               */
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              tex_width = clutter_actor_get_width (actor);
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              tex_width = clutter_util_next_p2 (tex_width);
 
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              tex_width = next_p2 (tex_width);
 
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              tex_height = clutter_actor_get_height (actor);
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              tex_height = clutter_util_next_p2 (tex_height);
 
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              tex_height = next_p2 (tex_height);
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              clutter_actor_set_shader_param_float (actor, "x_step",
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                                                    1.0f / tex_width);
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G_MODULE_EXPORT gint
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test_shader_main (gint argc, gchar *argv[])
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{
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  ClutterActor     *actor;
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  ClutterActor     *stage;
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  ClutterColor      stage_color = { 0x61, 0x64, 0x8c, 0xff };
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  ClutterShader    *shader;
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  GError           *error;
 
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  ClutterActor  *actor;
 
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  ClutterActor  *stage;
 
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  ClutterColor   stage_color = { 0x61, 0x64, 0x8c, 0xff };
 
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  ClutterShader *shader;
 
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  GError        *error;
 
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  gchar         *file;
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  clutter_init (&argc, &argv);
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  clutter_stage_set_title (CLUTTER_STAGE (stage), "Shader Test");
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  clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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  file = g_build_filename (TESTS_DATADIR, "redhand.png", NULL);
 
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#ifndef TEST_GROUP
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  actor = g_object_new (CLUTTER_TYPE_TEXTURE,
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                        "filename", "redhand.png",
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                        "disable-slicing", TRUE,
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                        NULL);
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  actor = clutter_texture_new_from_file ("redhand.png", &error);
 
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  actor = clutter_texture_new_from_file (file, &error);
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  if (!actor)
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    g_error("pixbuf load failed: %s", error ? error->message : "Unknown");
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#else
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  actor = clutter_group_new ();
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    {
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      ClutterActor *child1, *child2, *child3, *child4;
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      ClutterColor  color = { 0xff, 0x22, 0x66, 0x99 };
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      child1 = clutter_texture_new_from_file ("redhand.png", &error);
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      if (!child1)
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        g_error("pixbuf load failed: %s", error ? error->message : "Unknown");
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      child2 = clutter_texture_new_from_file ("redhand.png", &error);
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      if (!child2)
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        g_error("pixbuf load failed: %s", error ? error->message : "Unknown");
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      child3 = clutter_rectangle_new ();
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      child4 = clutter_text_new_with_text ("Sans 20px", "Shady stuff");
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      clutter_rectangle_set_color (child3, &color);
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      clutter_actor_set_size (child3, 50, 50);
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      clutter_actor_set_position (child1, 0, 0);
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      clutter_actor_set_position (child2, 50, 100);
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      clutter_actor_set_position (child3, 30, -30);
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      clutter_actor_set_position (child4, -50, 20);
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      clutter_group_add (CLUTTER_GROUP (actor), child1);
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      clutter_group_add (CLUTTER_GROUP (actor), child2);
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      clutter_group_add (CLUTTER_GROUP (actor), child3);
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      clutter_group_add (CLUTTER_GROUP (actor), child4);
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      clutter_actor_show_all (actor);
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    }
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#endif
 
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  {
 
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    ClutterActor *child1, *child2, *child3, *child4;
 
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    ClutterColor  color = { 0xff, 0x22, 0x66, 0x99 };
 
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    child1 = clutter_texture_new_from_file (file, &error);
 
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    if (!child1)
 
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      g_error("pixbuf load failed: %s", error ? error->message : "Unknown");
 
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    child2 = clutter_texture_new_from_file (file, &error);
 
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    if (!child2)
 
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      g_error("pixbuf load failed: %s", error ? error->message : "Unknown");
 
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    child3 = clutter_rectangle_new ();
 
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    child4 = clutter_text_new_with_text ("Sans 20px", "Shady stuff");
 
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    clutter_rectangle_set_color (CLUTTER_RECTANGLE (child3), &color);
 
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    clutter_actor_set_size (child3, 50, 50);
 
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    clutter_actor_set_position (child1, 0, 0);
 
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    clutter_actor_set_position (child2, 50, 100);
 
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    clutter_actor_set_position (child3, 30, -30);
 
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    clutter_actor_set_position (child4, -50, 20);
 
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    clutter_container_add (CLUTTER_CONTAINER (actor),
 
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                           child1,
 
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                           child2,
 
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                           child3,
 
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                           child4,
 
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                           NULL);
 
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    clutter_actor_show_all (actor);
 
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  }
 
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#endif /* !TEST_GROUP */
 
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  g_free (file);
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  clutter_actor_set_shader (actor, shader);
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  clutter_actor_set_position (actor, 100, 100);