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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 Blender Foundation.
*/
/** \file
* \ingroup eevee
*/
#include "DNA_curves_types.h"
#include "DNA_modifier_types.h"
#include "DNA_particle_types.h"
#include "eevee_instance.hh"
namespace blender::eevee {
static void shgroup_hair_call(MaterialPass &matpass,
Object *ob,
ParticleSystem *part_sys = nullptr,
ModifierData *modifier_data = nullptr)
{
if (matpass.shgrp == nullptr) {
return;
}
DRW_shgroup_hair_create_sub(ob, part_sys, modifier_data, matpass.shgrp, matpass.gpumat);
}
void Instance::hair_sync(Object *ob, ObjectHandle &ob_handle, ModifierData *modifier_data)
{
int mat_nr = CURVES_MATERIAL_NR;
ParticleSystem *part_sys = nullptr;
if (modifier_data != nullptr) {
part_sys = reinterpret_cast<ParticleSystemModifierData *>(modifier_data)->psys;
if (!DRW_object_is_visible_psys_in_active_context(ob, part_sys)) {
return;
}
ParticleSettings *part_settings = part_sys->part;
const int draw_as = (part_settings->draw_as == PART_DRAW_REND) ? part_settings->ren_as :
part_settings->draw_as;
if (draw_as != PART_DRAW_PATH) {
return;
}
mat_nr = part_settings->omat;
}
Material &material = materials.material_get(ob, mat_nr - 1, MAT_GEOM_HAIR);
shgroup_hair_call(material.shading, ob, part_sys, modifier_data);
shgroup_hair_call(material.prepass, ob, part_sys, modifier_data);
shgroup_hair_call(material.shadow, ob, part_sys, modifier_data);
/* TODO(fclem) Hair velocity. */
// shading_passes.velocity.gpencil_add(ob, ob_handle);
bool is_caster = material.shadow.shgrp != nullptr;
bool is_alpha_blend = material.is_alpha_blend_transparent;
shadows.sync_object(ob, ob_handle, is_caster, is_alpha_blend);
}
} // namespace blender::eevee
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