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Re-create liftoff output on CRTC change

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This commit is contained in:
Simon Ser 2021-08-18 09:28:00 +02:00
parent 5b776be6d2
commit 7bdb4555ff
1 changed files with 21 additions and 15 deletions
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36
src/drm.cpp
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@ -535,6 +535,12 @@ int init_drm(struct drm_t *drm, const char *device_name)
return -1;
}
drm->lo_device = liftoff_device_create( drm->fd );
if ( drm->lo_device == nullptr )
return -1;
if ( liftoff_device_register_all_planes( drm->lo_device ) < 0 )
return -1;
fprintf( stderr, "Connectors:\n" );
for (size_t i = 0; i < drm->connectors.size(); i++) {
struct connector *conn = &drm->connectors[i];
@ -576,21 +582,6 @@ int init_drm(struct drm_t *drm, const char *device_name)
liftoff_log_set_priority(g_bDebugLayers ? LIFTOFF_DEBUG : LIFTOFF_ERROR);
}
drm->lo_device = liftoff_device_create( drm->fd );
if ( drm->lo_device == nullptr )
return -1;
drm->lo_output = liftoff_output_create( drm->lo_device, drm->crtc->id );
if ( drm->lo_output == nullptr )
return -1;
if ( liftoff_device_register_all_planes( drm->lo_device ) < 0 )
return -1;
for ( int i = 0; i < k_nMaxLayers; i++ )
{
drm->lo_layers[ i ] = liftoff_layer_create( drm->lo_output );
assert( drm->lo_layers[ i ] );
}
drm->flipcount = 0;
drm->needs_modeset = true;
@ -1102,6 +1093,21 @@ static bool drm_set_crtc( struct drm_t *drm, struct crtc *crtc )
return false;
}
struct liftoff_output *lo_output = liftoff_output_create( drm->lo_device, crtc->id );
if ( lo_output == nullptr )
return false;
for ( int i = 0; i < k_nMaxLayers; i++ )
{
liftoff_layer_destroy( drm->lo_layers[ i ] );
drm->lo_layers[ i ] = liftoff_layer_create( lo_output );
if ( drm->lo_layers[ i ] == nullptr )
return false;
}
liftoff_output_destroy( drm->lo_output );
drm->lo_output = lo_output;
return true;
}