Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-23 06:53:46 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fixed dithered PCF filter in shadow

Browse source
This commit is contained in:
Olivier Prat 2017-11-10 11:10:31 +01:00
parent 8b6a2eeb24
commit cf5a7531df
1 changed files with 2 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
libraries/render-utils/src/Shadow.slh
View file

@ -68,13 +68,11 @@ vec2 PCFkernel[4] = vec2[4](
);
float evalShadowAttenuationPCF(vec4 position, vec4 shadowTexcoord) {
// PCF is buggy so disable it for the time being
#if 0
float pcfRadius = 3.0;
#if 1
float shadowScale = getShadowScale();
// Offset for efficient PCF, see http://http.developer.nvidia.com/GPUGems/gpugems_ch11.html
vec2 offset = pcfRadius * step(fract(position.xy), vec2(0.5, 0.5));
vec2 offset = step(fract(position.xy), vec2(0.5, 0.5));
float shadowAttenuation = (0.25 * (
fetchShadow(shadowTexcoord.xyz + shadowScale * vec3(offset + PCFkernel[0], 0.0)) +