Differential D9022 Diff 29325 source/blender/draw/engines/overlay/overlay_volume.c

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source/blender/draw/engines/overlay/overlay_volume.c

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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.
				*/

				/** \file
				* \ingroup draw_engine
				*/

				#include "DNA_volume_types.h"

				#include "DRW_render.h"
				#include "GPU_shader.h"

				#include "overlay_private.h"

				void OVERLAY_volume_cache_init(OVERLAY_Data *vedata)
				{
				OVERLAY_PassList *psl = vedata->psl;
				OVERLAY_PrivateData *pd = vedata->stl->pd;
				const bool is_select = DRW_state_is_select();

				if (is_select) {
				DRWState state = DRW_STATE_WRITE_DEPTH \| DRW_STATE_DEPTH_LESS_EQUAL;
				DRW_PASS_CREATE(psl->volume_ps, state \| pd->clipping_state);
				GPUShader *sh = OVERLAY_shader_depth_only();
				DRWShadingGroup *grp = DRW_shgroup_create(sh, psl->volume_ps);
				pd->volume_selection_surface_grp = grp;
				DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
				}
				}

				void OVERLAY_volume_cache_populate(OVERLAY_Data vedata, Object ob)
				{
				OVERLAY_PrivateData *pd = vedata->stl->pd;
				const bool is_select = DRW_state_is_select();

				if (is_select) {
				struct GPUBatch *geom = DRW_cache_volume_selection_surface_get(ob);
				if (geom != NULL) {
				DRW_shgroup_call(pd->volume_selection_surface_grp, geom, ob);
				}
				}
				}

				void OVERLAY_volume_draw(OVERLAY_Data *vedata)
				{
				OVERLAY_PassList *psl = vedata->psl;
				OVERLAY_FramebufferList *fbl = vedata->fbl;

				if (DRW_state_is_fbo()) {
				GPU_framebuffer_bind(fbl->overlay_default_fb);
				}

				DRW_draw_pass(psl->volume_ps);
				}