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add iris's TRANSLUCENT ENTITIES programs. potentially fix error in end/nether on intel ARC

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Xonk
2024-01-11 21:38:03 -05:00
parent 544af24f10
commit 57ffa75366
15 changed files with 104 additions and 34 deletions
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40
shaders/lib/volumetricClouds.glsl
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@ -184,16 +184,25 @@ float GetCumulusDensity(int layer, in vec3 pos, in int LoD, float minHeight, flo
float GetAltostratusDensity(vec3 pos){
float large = texture2D(noisetex, (pos.xz + cloud_movement)/100000. ).b;
float small = texture2D(noisetex, (pos.xz - cloud_movement)/10000. - vec2(-large,1-large)/5).b;
float shape = (small + pow((1.0-large),2.0))/2.0;
float Coverage; float Density;
DailyWeather_Alto(Coverage, Density);
shape = pow(max(shape + Coverage - 0.5,0.0),2.0);
shape *= Density;
float large = texture2D(noisetex, (pos.xz + cloud_movement)/100000. ).b;
float small = texture2D(noisetex, (pos.xz - cloud_movement)/10000. - vec2(-large,1-large)/5).b;
large = max(large + Coverage - 0.5, 0.0);
// float shape = (small + pow((1.0-large),2.0))/2.0;
float weight = 0.7;
float shape = max( large*weight - small*(1.0-weight) ,0.0);
shape *= shape;
// infinite vertical height will mess with lighting, so get rid of it.
// shape = max(shape - pow(abs(LAYER2_HEIGHT - pos.y)/20,1.5), 0.0);
shape = min(min(shape , clamp((LAYER2_HEIGHT + 15) - pos.y,0,1)), 1.0 - clamp(LAYER2_HEIGHT - pos.y,0,1));
// shape *= Density;
return shape;
}
@ -295,13 +304,14 @@ if(layer == 2){
float altostratus = GetAltostratusDensity(rayProgress);
if(altostratus > 1e-5){
float muE = altostratus;
float muE = altostratus * cloudDensity;
float directLight = 0.0;
for (int j = 0; j < 2; j++){
vec3 shadowSamplePos_high = rayProgress + dV_Sun * (0.1 + j + dither);
float shadow = GetAltostratusDensity(shadowSamplePos_high);
directLight += shadow; /// (1+j);
vec3 shadowSamplePos_high = rayProgress + dV_Sun * (0.1 + j * (0.5 + dither*0.05)) ;
// vec3 shadowSamplePos_high = rayProgress + dV_Sun * (j * (0.5 + dither*0.05)) ;
float shadow = GetAltostratusDensity(shadowSamplePos_high) * cloudDensity;
directLight += shadow;
}
float skyscatter_alto = sqrt(altostratus*0.05);
@ -343,7 +353,7 @@ if(layer == 2){
#ifdef CloudLayer2
// cast a shadow from higher clouds onto lower clouds
vec3 HighAlt_shadowPos = rayProgress + dV_Sun/abs(dV_Sun.y) * max(LAYER2_HEIGHT - rayProgress.y,0.0);
float HighAlt_shadow = GetAltostratusDensity(HighAlt_shadowPos) ;
float HighAlt_shadow = GetAltostratusDensity(HighAlt_shadowPos) * CloudLayer2_density;
directLight += HighAlt_shadow;
#endif
@ -573,8 +583,8 @@ float GetCloudShadow(vec3 feetPlayerPos){
shadow += GetCumulusDensity(1, higherShadowStart, 0, CloudLayer1_height, CloudLayer1_height+100)*CloudLayer1_density;
#endif
#ifdef CloudLayer2
vec3 highShadowStart = playerPos + (WsunVec / max(abs(WsunVec.y),0.2)) * max(CloudLayer1_height - playerPos.y,0.0);
shadow += GetAltostratusDensity(highShadowStart) * 0.5;
vec3 highShadowStart = playerPos + (WsunVec / max(abs(WsunVec.y),0.2)) * max(CloudLayer2_height - playerPos.y,0.0);
shadow += GetAltostratusDensity(highShadowStart) * CloudLayer2_density;
#endif
shadow = clamp(shadow,0.0,1.0);
@ -604,7 +614,7 @@ float GetCloudShadow_VLFOG(vec3 WorldPos, vec3 WorldSpace_sunVec){
#endif
#ifdef CloudLayer2
vec3 highShadowStart = WorldPos + (WorldSpace_sunVec / max(abs(WorldSpace_sunVec.y),0.2)) * max(CloudLayer2_height - WorldPos.y,0.0);
shadow += GetAltostratusDensity(highShadowStart)*0.5;
shadow += GetAltostratusDensity(highShadowStart)*CloudLayer2_density;
#endif
shadow = clamp(shadow,0.0,1.0);