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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 2020, Blender Foundation.
*/
/** \file
* \ingroup draw_engine
*/
#include "DRW_render.h"
#include "DEG_depsgraph_query.h"
#include "DNA_pointcloud_types.h"
#include "BKE_pointcache.h"
#include "overlay_private.h"
/* -------------------------------------------------------------------- */
/** \name PointCloud
* \{ */
void OVERLAY_pointcloud_cache_init(OVERLAY_Data *vedata)
{
OVERLAY_PassList *psl = vedata->psl;
OVERLAY_PrivateData *pd = vedata->stl->pd;
GPUShader *sh;
DRWShadingGroup *grp;
DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL;
DRW_PASS_CREATE(psl->pointcloud_ps, state | pd->clipping_state);
sh = OVERLAY_shader_pointcloud_dot();
pd->pointcloud_dots_grp = grp = DRW_shgroup_create(sh, psl->pointcloud_ps);
DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
}
void OVERLAY_pointcloud_cache_populate(OVERLAY_Data *vedata, Object *ob)
{
OVERLAY_PrivateData *pd = vedata->stl->pd;
struct GPUBatch *geom = DRW_cache_pointcloud_get_dots(ob);
const float color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
DRWShadingGroup *grp = DRW_shgroup_create_sub(pd->pointcloud_dots_grp);
DRW_shgroup_uniform_vec4_copy(grp, "color", color);
DRW_shgroup_call(grp, geom, ob);
}
void OVERLAY_pointcloud_draw(OVERLAY_Data *vedata)
{
OVERLAY_PassList *psl = vedata->psl;
DRW_draw_pass(psl->pointcloud_ps);
}
/** \} */
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