diff options
Diffstat (limited to 'source/blender/draw/engines/overlay/overlay_facing.c')
-rw-r--r-- | source/blender/draw/engines/overlay/overlay_facing.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/source/blender/draw/engines/overlay/overlay_facing.c b/source/blender/draw/engines/overlay/overlay_facing.c new file mode 100644 index 00000000000..a69d7537637 --- /dev/null +++ b/source/blender/draw/engines/overlay/overlay_facing.c @@ -0,0 +1,64 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright 2019, Blender Foundation. + */ + +/** \file + * \ingroup draw_engine + */ + +#include "DRW_render.h" + +#include "overlay_private.h" + +void OVERLAY_facing_init(OVERLAY_Data *UNUSED(vedata)) +{ +} + +void OVERLAY_facing_cache_init(OVERLAY_Data *vedata) +{ + OVERLAY_PassList *psl = vedata->psl; + OVERLAY_PrivateData *pd = vedata->stl->pd; + + DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_DEPTH_EQUAL | DRW_STATE_BLEND_ALPHA; + DRW_PASS_CREATE(psl->facing_ps, state | pd->clipping_state); + + GPUShader *sh = OVERLAY_shader_facing(); + pd->facing_grp = DRW_shgroup_create(sh, psl->facing_ps); +} + +void OVERLAY_facing_cache_populate(OVERLAY_Data *vedata, Object *ob) +{ + OVERLAY_PrivateData *pd = vedata->stl->pd; + + struct GPUBatch *geom = DRW_cache_object_surface_get(ob); + if (geom) { + DRW_shgroup_call(pd->facing_grp, geom, ob); + } +} + +void OVERLAY_facing_draw(OVERLAY_Data *vedata) +{ + OVERLAY_PassList *psl = vedata->psl; + OVERLAY_PrivateData *pd = vedata->stl->pd; + + /* We need to match underlying geometry pass, at the cost of bypassing TAA. */ + DRW_view_set_active(NULL); + + DRW_draw_pass(psl->facing_ps); + + DRW_view_set_active(pd->view_default); +} |