static CoglHandle
_cogl_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap)
{
CoglHandle tex;
int i;
/* We try getting the texture twice, once without flushing the
updates and once with. If pre_paint has been called already then
we should have a good idea of which texture to use so we don't
want to mess with that by ensuring the updates. However, if we
couldn't find a texture then we'll just make a best guess by
flushing without expecting mipmap support and try again. This
would happen for example if an application calls
get_gl_texture before the first paint */
for (i = 0; i < 2; i++)
{
#ifdef COGL_HAS_GLX_SUPPORT
if (tex_pixmap->use_glx_texture)
tex = tex_pixmap->glx_tex;
else
#endif
tex = tex_pixmap->tex;
if (tex)
return tex;
_cogl_texture_pixmap_x11_update (tex_pixmap, FALSE);
}
g_assert_not_reached ();
return COGL_INVALID_HANDLE;
}
static void
_cogl_texture_pixmap_x11_pre_paint (CoglTexture *tex,
CoglTexturePrePaintFlags flags)
{
CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex);
CoglTexture *child_tex;
_cogl_texture_pixmap_x11_update (tex_pixmap,
!!(flags & COGL_TEXTURE_NEEDS_MIPMAP));
child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap);
_cogl_texture_pre_paint (child_tex, flags);
}
static CoglTexture *
_cogl_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap)
{
CoglTexturePixmapX11 *original_pixmap = tex_pixmap;
CoglTexture *tex;
int i;
CoglTexturePixmapStereoMode stereo_mode = tex_pixmap->stereo_mode;
if (stereo_mode == COGL_TEXTURE_PIXMAP_RIGHT)
tex_pixmap = tex_pixmap->left;
/* We try getting the texture twice, once without flushing the
updates and once with. If pre_paint has been called already then
we should have a good idea of which texture to use so we don't
want to mess with that by ensuring the updates. However, if we
couldn't find a texture then we'll just make a best guess by
flushing without expecting mipmap support and try again. This
would happen for example if an application calls
get_gl_texture before the first paint */
for (i = 0; i < 2; i++)
{
if (tex_pixmap->use_winsys_texture)
{
const CoglWinsysVtable *winsys =
_cogl_texture_pixmap_x11_get_winsys (tex_pixmap);
tex = winsys->texture_pixmap_x11_get_texture (tex_pixmap, stereo_mode);
}
else
tex = tex_pixmap->tex;
if (tex)
return tex;
_cogl_texture_pixmap_x11_update (original_pixmap, FALSE);
}
g_assert_not_reached ();
return NULL;
}
