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| author | x2048 <codeforsmile@gmail.com> | 2021-07-25 12:36:23 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-07-25 12:36:23 +0200 |
| commit | bf3acbf388406f736286d990adb5f35a9023c390 (patch) | |
| tree | 9fdff755e37253580c222ff768802a6b0170be10 /src/client/game.cpp | |
| parent | ff2d2a6e93d75d24b3f69f2b3690bcac6440961e (diff) | |
| download | minetest-bf3acbf388406f736286d990adb5f35a9023c390.tar.gz minetest-bf3acbf388406f736286d990adb5f35a9023c390.tar.bz2 minetest-bf3acbf388406f736286d990adb5f35a9023c390.zip | |
Distribute shadow map update over multiple frames to reduce stutter (#11422)
Reduces stutter and freezes when playing.
* Maintains double SM and SM Color textures
* Light frustum update triggers incremental generation of shadow map into secondary 'future' textures.
* Every incremental update renders a portion of the shadow draw list (split equally).
* After defined number of frames (currently, 4), 'future' and 'current' textures are swapped, and DirectionalLight 'commits' the new frustum to use when rendering shadows on screen.
Co-authored-by: sfan5 <sfan5@live.de>
Diffstat (limited to 'src/client/game.cpp')
| -rw-r--r-- | src/client/game.cpp | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/src/client/game.cpp b/src/client/game.cpp index 85dd8f4bb..6fc57c8cc 100644 --- a/src/client/game.cpp +++ b/src/client/game.cpp @@ -609,7 +609,6 @@ struct GameRunData { float jump_timer; float damage_flash; float update_draw_list_timer; - float update_shadows_timer; f32 fog_range; @@ -3881,10 +3880,8 @@ 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; - bool draw_list_updated = false; v3f camera_direction = camera->getDirection(); if (runData.update_draw_list_timer >= update_draw_list_delta @@ -3894,18 +3891,10 @@ 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; } - 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(); - } + if (RenderingEngine::get_shadow_renderer()) { + updateShadows(); } m_game_ui->update(*stats, client, draw_control, cam, runData.pointed_old, gui_chat_console, dtime); @@ -4062,7 +4051,7 @@ void Game::updateShadows() shadow->getDirectionalLight().setDirection(sun_pos); shadow->setTimeOfDay(in_timeofday); - shadow->getDirectionalLight().update_frustum(camera, client); + shadow->getDirectionalLight().update_frustum(camera, client, m_camera_offset_changed); } /**************************************************************************** |