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/*
* 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 "BKE_paint.h"
#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);
DRW_shgroup_uniform_block_persistent(pd->facing_grp, "globalsBlock", G_draw.block_ubo);
}
void OVERLAY_facing_cache_populate(OVERLAY_Data *vedata, Object *ob)
{
OVERLAY_PrivateData *pd = vedata->stl->pd;
const DRWContextState *draw_ctx = DRW_context_state_get();
const bool use_sculpt_pbvh = BKE_sculptsession_use_pbvh_draw(ob, draw_ctx->v3d) &&
!DRW_state_is_image_render();
if (use_sculpt_pbvh) {
DRW_shgroup_call_sculpt(pd->facing_grp, ob, false, false, false);
}
else {
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;
DRW_draw_pass(psl->facing_ps);
}
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