zdoom/gzdoom
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom.git synced 2024-11-25 13:31:37 +00:00
Code Issues Projects Releases Packages Wiki Activity

- eliminate an unexpected slow path in the fragment shader.

Browse source 
Apparently with checking uLightLevel the shader cannot discard the slow software lighting path entirely adding a significant amount of processing time.
Changed to check the actual lightmode value, which re-enables the fast path again.
This commit is contained in:
Christoph Oelckers 2021-08-09 18:50:50 +02:00
parent 747c291ae1
commit cd5aa65fda
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
wadsrc/static/shaders/glsl/main.fp
View file

@ -595,7 +595,7 @@ vec4 getLightColor(Material material, float fogdist, float fogfactor)
{
vec4 color = vColor;
if (uLightLevel >= 0.0)
if ((uPalLightLevels >> 16) >= 5) // gl_lightmode >= 5 are software lighting modes.
{
float newlightlevel = 1.0 - R_DoomLightingEquation(uLightLevel);
color.rgb *= newlightlevel;