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fix crash when show-buffers is enabled

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This commit is contained in:
David Rose 2005-03-28 19:10:25 +00:00
parent 6a28498119
commit 03e766a9ab
1 changed files with 20 additions and 26 deletions
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46
panda/src/display/graphicsOutput.cxx
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@ -859,39 +859,33 @@ end_frame() {
_flip_ready = true;
}
// In one-shot mode, we request the GraphicsEngine to delete the
// window after we have rendered a frame.
if (_one_shot) {
// In one-shot mode, we request the GraphicsEngine to delete the
// window after we have rendered a frame.
_active = false;
_delete_flag = true;
// We have to be sure to remove all of the display regions
// immediately, so that circular reference counts can be cleared
// up (each display region keeps a pointer to a CullResult, which
// can hold all sorts of pointers).
remove_all_display_regions();
// If we were rendering directly to texture, we can't delete the
// buffer until the texture is gone too.
if (_rtm_mode == RTM_bind_texture) {
_hold_texture = _texture;
}
// Also, when show-buffers mode is enabled, we want to keep the
// But when show-buffers mode is enabled, we want to keep the
// window around until the user has a chance to see the texture.
// Same story: we'll hold it until the texture is gone. In this
// case we also keep the active flag true, so the window will
// repaint when needed.
if (show_buffers) {
_hold_texture = _texture;
_active = true;
// So we don't do most of the following in show-buffers mode.
if (!show_buffers) {
_active = false;
_delete_flag = true;
// We have to be sure to remove all of the display regions
// immediately, so that circular reference counts can be cleared
// up (each display region keeps a pointer to a CullResult,
// which can hold all sorts of pointers).
remove_all_display_regions();
// If we were rendering directly to texture, we can't delete the
// buffer until the texture is gone too.
if (_rtm_mode == RTM_bind_texture) {
_hold_texture = _texture;
}
}
// We have to be sure to clear the _texture pointer, though, or
// we'll end up holding a reference to it forever.
_texture = NULL;
// And we need to stop trying to copy to the texture.
_rtm_mode = RTM_none;
}