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Decrease the default number of SDFGI cascades to 4 

This improves rendering performance noticeably, especially when the
camera moves fast.

On a medium-sized test scene on a GTX 1080 in 2560×1440, going
from 6 to cascades saves 0.5 ms of frame time while looking visually
identical (as most of the scene fits within the 4 cascades).
This commit is contained in:
Hugo Locurcio 2022-02-06 15:01:25 +01:00
parent fd0d2dcabf
commit b9cfc74f29
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3 changed files with 4 additions and 4 deletions
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4
doc/classes/Environment.xml
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@ -175,7 +175,7 @@
</member>
<member name="sdfgi_cascade0_distance" type="float" setter="set_sdfgi_cascade0_distance" getter="get_sdfgi_cascade0_distance" default="12.8">
</member>
<member name="sdfgi_cascades" type="int" setter="set_sdfgi_cascades" getter="get_sdfgi_cascades" default="6">
<member name="sdfgi_cascades" type="int" setter="set_sdfgi_cascades" getter="get_sdfgi_cascades" default="4">
The number of cascades to use for SDFGI (between 1 and 8). A higher number of cascades allows displaying SDFGI further away while preserving detail up close, at the cost of performance. When using SDFGI on small-scale levels, [member sdfgi_cascades] can often be decreased between [code]1[/code] and [code]4[/code] to improve performance.
</member>
<member name="sdfgi_enabled" type="bool" setter="set_sdfgi_enabled" getter="is_sdfgi_enabled" default="false">
@ -185,7 +185,7 @@
</member>
<member name="sdfgi_energy" type="float" setter="set_sdfgi_energy" getter="get_sdfgi_energy" default="1.0">
</member>
<member name="sdfgi_max_distance" type="float" setter="set_sdfgi_max_distance" getter="get_sdfgi_max_distance" default="819.2">
<member name="sdfgi_max_distance" type="float" setter="set_sdfgi_max_distance" getter="get_sdfgi_max_distance" default="204.8">
</member>
<member name="sdfgi_min_cell_size" type="float" setter="set_sdfgi_min_cell_size" getter="get_sdfgi_min_cell_size" default="0.2">
</member>

2
scene/resources/environment.h
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@ -147,7 +147,7 @@ private:
// SDFGI
bool sdfgi_enabled = false;
int sdfgi_cascades = 6;
int sdfgi_cascades = 4;
float sdfgi_min_cell_size = 0.2;
SDFGIYScale sdfgi_y_scale = SDFGI_Y_SCALE_DISABLED;
bool sdfgi_use_occlusion = false;

2
servers/rendering/renderer_rd/renderer_scene_environment_rd.h
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@ -135,7 +135,7 @@ public:
/// SDFGI
bool sdfgi_enabled = false;
int sdfgi_cascades = 6;
int sdfgi_cascades = 4;
float sdfgi_min_cell_size = 0.2;
bool sdfgi_use_occlusion = false;
float sdfgi_bounce_feedback = 0.0;