Differential D11055 Diff 36430 source/blender/draw/engines/overlay/overlay_flash.c

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source/blender/draw/engines/overlay/overlay_flash.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.
				*
				* Copyright 2021, Blender Foundation.
				*/

				/** \file
				* \ingroup draw_engine
				*/

				#include "BKE_paint.h"
				#include "DRW_render.h"

				#include "ED_view3d.h"

				#include "PIL_time.h"
				#include "UI_resources.h"

				#include "overlay_private.h"

				void OVERLAY_flash_init(OVERLAY_Data *UNUSED(vedata))
				jbakkerUnsubmitted Done Inline Actions Empty functions can be removed. jbakker: Empty functions can be removed.
				{
				}

				void OVERLAY_flash_cache_init(OVERLAY_Data *vedata)
				{
				OVERLAY_PassList *psl = vedata->psl;
				OVERLAY_PrivateData *pd = vedata->stl->pd;

				for (int i = 0; i < 2; i++) {
				/* Non Meshes Pass (Camera, empties, lights ...) */
				DRWState state = DRW_STATE_WRITE_COLOR \| DRW_STATE_DEPTH_EQUAL \| DRW_STATE_BLEND_ALPHA;
				DRW_PASS_CREATE(psl->flash_ps[i], state \| pd->clipping_state);

				GPUShader *sh = OVERLAY_shader_uniform_color();
				pd->flash_grp[i] = DRW_shgroup_create(sh, psl->flash_ps[i]);
				DRW_shgroup_uniform_block(pd->flash_grp[i], "globalsBlock", G_draw.block_ubo);
				}

				if (!pd->use_in_front) {
				pd->flash_grp[IN_FRONT] = pd->flash_grp[NOT_IN_FRONT];
				}
				}

				#define FLASH_LENGTH 0.45f
				#define FLASH_FADE 0.0f
				#define FLASH_MAX_ALPHA 0.25f

				bool flash_is_animation_running(const float anim_time) {
				return anim_time >= 0.0f && anim_time <= FLASH_LENGTH;
				}


				float flash_alpha_for_animation_time_get(const float anim_time) {
				if (anim_time > FLASH_LENGTH) {
				return 0.0f;
				}

				if (anim_time < 0.0f) {
				return 0.0f;
				}

				if (FLASH_FADE <= 0.0f) {
				return (1.0f - (anim_time / FLASH_LENGTH)) * FLASH_MAX_ALPHA;
				}

				const float flash_fade_in_time = FLASH_LENGTH * FLASH_FADE;
				const float flash_fade_out_time = FLASH_LENGTH - flash_fade_in_time;

				float alpha = 0.0f;
				if (anim_time < flash_fade_in_time) {
				alpha = anim_time / flash_fade_in_time;
				}
				else {
				const float fade_out_anim_time = anim_time - flash_fade_in_time;
				alpha = 1.0f - (fade_out_anim_time / flash_fade_out_time);
				}

				return alpha * FLASH_MAX_ALPHA;
				}

				void OVERLAY_flash_cache_populate(OVERLAY_Data vedata, Object ob)
				{
				OVERLAY_PrivateData *pd = vedata->stl->pd;

				if (pd->xray_enabled) {
				return;
				}

				const double time = PIL_check_seconds_timer();
				jbakkerUnsubmitted Done Inline Actions Don't do this for all objects. Do it once in cache_init and store in private data. jbakker: Don't do this for all objects. Do it once in cache_init and store in private data.
				const float animation_time = time - ob->runtime.overlay_flash_start_time;

				if (!flash_is_animation_running(animation_time)) {
				return;
				}

				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();
				const bool is_xray = (ob->dtx & OB_DRAW_IN_FRONT) != 0;

				float color[4];
				UI_GetThemeColor3fv(TH_VERTEX_SELECT, color);
				color[3] = flash_alpha_for_animation_time_get(animation_time);
				srgb_to_linearrgb_v4(color, color);
				DRW_shgroup_uniform_vec4_copy(pd->flash_grp[0], "color", color);
				DRW_shgroup_uniform_vec4_copy(pd->flash_grp[1], "color", color);

				pd->flash.any_animated = true;

				if (use_sculpt_pbvh) {
				DRW_shgroup_call_sculpt(pd->flash_grp[is_xray], ob, false, false);
				}
				else {
				struct GPUBatch *geom = DRW_cache_object_surface_get(ob);
				if (geom) {
				DRW_shgroup_call(pd->flash_grp[is_xray], geom, ob);
				}
				}
				}

				void OVERLAY_flash_draw(OVERLAY_Data *vedata)
				{
				OVERLAY_PassList *psl = vedata->psl;

				DRW_draw_pass(psl->flash_ps[NOT_IN_FRONT]);
				}

				void OVERLAY_flash_infront_draw(OVERLAY_Data *vedata)
				{
				OVERLAY_PassList *psl = vedata->psl;

				DRW_draw_pass(psl->flash_ps[IN_FRONT]);
				}

				void OVERLAY_flash_cache_finish(OVERLAY_Data *vedata)
				{
				OVERLAY_PrivateData *pd = vedata->stl->pd;
				if (pd->flash.any_animated) {
				DRW_viewport_request_redraw();
				}
				pd->flash.any_animated = false;
				}