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2007-05-28 Matthew Allum <mallum@openedhand.com>

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* clutter/clutter-stage.c: (clutter_stage_get_actor_at_pos):
        Fix for GL/ES. Barring texture reads this means all clutter
        functionality now works on GL/ES! (no doubt with a few yet to
        be discovered bugs)
This commit is contained in:
Matthew Allum 2007-05-28 19:14:40 +00:00
parent a2bd6de736
commit 71c2f16bef
2 changed files with 11 additions and 4 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2007-05-28 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-stage.c: (clutter_stage_get_actor_at_pos):
Fix for GL/ES. Barring texture reads this means all clutter
functionality now works on GL/ES! (no doubt with a few yet to
be discovered bugs)
2007-05-28 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-backend.c:

8
clutter/clutter-stage.c
View File

@ -764,7 +764,7 @@ clutter_stage_get_actor_at_pos (ClutterStage *stage,
gint y)
{
ClutterMainContext *context;
guchar pixel[3];
guchar pixel[4];
GLint viewport[4];
ClutterColor white = { 0xff, 0xff, 0xff, 0xff };
guint32 id;
@ -781,13 +781,13 @@ clutter_stage_get_actor_at_pos (ClutterStage *stage,
clutter_actor_paint (CLUTTER_ACTOR (stage));
context->pick_mode = FALSE;
/* Calls should work under both GL and GLES
/* Calls should work under both GL and GLES, note GLES needs RGBA
*
* FIXME: of course we need to handle the case where the frame buffer isn't
* 24bpp, i.e 16bpp which could be the case with GLES.
* 24bpp, i.e 16bpp which could be the case with GLES ?.
*/
glGetIntegerv(GL_VIEWPORT, viewport);
glReadPixels(x, viewport[3] - y, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, pixel);
glReadPixels(x, viewport[3] - y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
/* printf("x: %i , y: %i %x:%x:%x\n", x, y, pixel[0], pixel[1], pixel[2]); */