54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup draw_engine
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*/
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#include "DNA_volume_types.h"
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#include "DRW_render.h"
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#include "GPU_shader.h"
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#include "overlay_private.hh"
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void OVERLAY_volume_cache_init(OVERLAY_Data *vedata)
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{
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OVERLAY_PassList *psl = vedata->psl;
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OVERLAY_PrivateData *pd = vedata->stl->pd;
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const bool is_select = DRW_state_is_select();
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if (is_select) {
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DRWState state = DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL;
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DRW_PASS_CREATE(psl->volume_ps, state | pd->clipping_state);
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GPUShader *sh = OVERLAY_shader_depth_only();
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DRWShadingGroup *grp = DRW_shgroup_create(sh, psl->volume_ps);
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pd->volume_selection_surface_grp = grp;
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}
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else {
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psl->volume_ps = nullptr;
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pd->volume_selection_surface_grp = nullptr;
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}
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}
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void OVERLAY_volume_cache_populate(OVERLAY_Data *vedata, Object *ob)
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{
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OVERLAY_PrivateData *pd = vedata->stl->pd;
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const bool is_select = DRW_state_is_select();
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if (is_select) {
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struct GPUBatch *geom = DRW_cache_volume_selection_surface_get(ob);
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if (geom != nullptr) {
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DRW_shgroup_call(pd->volume_selection_surface_grp, geom, ob);
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}
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}
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}
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void OVERLAY_volume_draw(OVERLAY_Data *vedata)
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{
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OVERLAY_PassList *psl = vedata->psl;
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if (psl->volume_ps) {
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DRW_draw_pass(psl->volume_ps);
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}
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}
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