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Avoid draw list and shadow map update in the same frame to reduce dtime jitter (#11393)

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* Separate draw list and shadows update to reduce jitter

* Avoid draw list update and shadow update in the same frame

* Force-update shadows when camera offset changes
This commit is contained in:
x2048
2021-07-11 19:57:29 +02:00
committed by GitHub
parent f5706d444b
commit effb5356ca
1 changed files with 14 additions and 3 deletions
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17
src/client/game.cpp
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@@ -609,6 +609,7 @@ struct GameRunData {
float jump_timer;
float damage_flash;
float update_draw_list_timer;
float update_shadows_timer;
f32 fog_range;
@@ -3874,10 +3875,10 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
changed much
*/
runData.update_draw_list_timer += dtime;
runData.update_shadows_timer += dtime;
float update_draw_list_delta = 0.2f;
if (ShadowRenderer *shadow = RenderingEngine::get_shadow_renderer())
update_draw_list_delta = shadow->getUpdateDelta();
bool draw_list_updated = false;
v3f camera_direction = camera->getDirection();
if (runData.update_draw_list_timer >= update_draw_list_delta
@@ -3887,8 +3888,18 @@ void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
runData.update_draw_list_timer = 0;
client->getEnv().getClientMap().updateDrawList();
runData.update_draw_list_last_cam_dir = camera_direction;
draw_list_updated = true;
}
updateShadows();
if (ShadowRenderer *shadow = RenderingEngine::get_shadow_renderer()) {
update_draw_list_delta = shadow->getUpdateDelta();
if (m_camera_offset_changed ||
(runData.update_shadows_timer > update_draw_list_delta &&
(!draw_list_updated || shadow->getDirectionalLightCount() == 0))) {
runData.update_shadows_timer = 0;
updateShadows();
}
}
m_game_ui->update(*stats, client, draw_control, cam, runData.pointed_old, gui_chat_console, dtime);