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Use COGL to establish GL state for ClutterGLXTexturePixmap

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Using glEnable() directly confuses COGL and can result in problems
like subsequent pick operations not working correctly. Get the
material for the ClutterTexture and call cogl_material_flush_gl_state()
instead.

http://bugzilla.openedhand.com/show_bug.cgi?id=1483
This commit is contained in:
Owen W. Taylor 2009-02-27 13:39:53 -05:00 committed by Robert Bragg
parent 65c5188c7e
commit f9d996a460
1 changed files with 9 additions and 17 deletions
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24
clutter/glx/clutter-glx-texture-pixmap.c
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@ -126,26 +126,18 @@ G_DEFINE_TYPE (ClutterGLXTexturePixmap, \
static gboolean
texture_bind (ClutterGLXTexturePixmap *tex)
{
GLuint handle = 0;
GLenum target = 0;
CoglHandle cogl_material;
CoglHandle cogl_tex;
cogl_tex = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE(tex));
if (!cogl_texture_get_gl_texture (cogl_tex, &handle, &target))
/* It might be better to track if we've succesfully set a texture yet
* explicitly, rather than doing it indirectly like this.
*/
cogl_tex = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE(tex));
if (cogl_tex == COGL_INVALID_HANDLE)
return FALSE;
glEnable(target);
/* FIXME: fire off an error here? */
glBindTexture (target, handle);
if (clutter_texture_get_filter_quality (CLUTTER_TEXTURE (tex))
== CLUTTER_TEXTURE_QUALITY_HIGH && tex->priv->can_mipmap)
{
cogl_texture_set_filters (cogl_tex,
CGL_LINEAR_MIPMAP_LINEAR,
CGL_LINEAR);
}
cogl_material = clutter_texture_get_cogl_material (CLUTTER_TEXTURE(tex));
cogl_material_flush_gl_state (cogl_material, NULL);
return TRUE;
}