mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2025-06-20 07:57:55 +08:00
ambient SSS related changes
tweak overall absorption and stuff, added a standalone version to use with vanilla AO, GTAO, RTAO, and SSGI
This commit is contained in:
Xonk
parent
9f34823ed9
commit
ab35096ee6
@ -193,6 +193,8 @@ vec3 decode (vec2 encn){
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n.xy = n.z <= 0.0 ? (1.0 - n.yx) * sign(encn) : encn;
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return clamp(normalize(n.xyz),-1.0,1.0);
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}
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vec2 decodeVec2(float a){
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const vec2 constant1 = 65535. / vec2( 256., 65536.);
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const float constant2 = 256. / 255.;
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@ -335,37 +337,6 @@ float waterCaustics(vec3 wPos, vec3 lightSource) { // water waves
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}
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// float waterCaustics(vec3 wPos, vec3 lightSource) {
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// vec2 movement = vec2(frameTimeCounter*0.05);
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// vec2 pos = (wPos + WsunVec/WsunVec.y*max(SEA_LEVEL - wPos.y,0.0)).xz ;
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// float caustic = 1.0;
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// float weightSum = 0.0;
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// float radiance = 2.39996;
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// mat2 rotationMatrix = mat2(vec2(cos(radiance), -sin(radiance)), vec2(sin(radiance), cos(radiance)));
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// const vec2 wave_size[3] = vec2[](
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// vec2(48.,12.),
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// vec2(12.,48.),
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// vec2(32.)
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// );
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// float WavesLarge = clamp( pow(1.0-pow(1.0-texture2D(noisetex, pos / 600.0 ).b, 5.0),5.0),0.1,1.0);
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// for (int i = 0; i < 3; i++){
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// pos = rotationMatrix * pos ;
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// float Waves = texture2D(noisetex, pos / (wave_size[i] + (1-WavesLarge)*0.1) + movement).b;
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// caustic += Waves/3;
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// // weightSum += exp2(caustic);
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// }
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// return exp(1.0-(1.0-pow(1.0-abs((caustic - 1.5)*2.0)*0.5,0.5)) * 30) + 0.5 ;
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// }
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float rayTraceShadow(vec3 dir,vec3 position,float dither){
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const float quality = 16.;
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vec3 clipPosition = toClipSpace3(position);
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@ -419,71 +390,62 @@ void ssAO(inout vec3 lighting, inout float sss, vec3 fragpos,float mulfov, vec2
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const float tan70 = tan(70.*3.14/180.);
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float dist = 1.0 + clamp(fragpos.z*fragpos.z/50.0,0,2); // shrink sample size as distance increases
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float dist2 = 1-clamp(linZ(fragpos.z)*50,0,1); // shrink sample size as distance increases
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float mulfov2 = gbufferProjection[1][1]/(tan70 * dist);
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float maxR2 = fragpos.z*fragpos.z*mulfov2*2.*5/50.0;
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float maxR2_2 = mix(500, fragpos.z*fragpos.z*mulfov2*2./50.0, dist2);
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#ifdef Ambient_SSS
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float dist3 = clamp(1.0 - exp( fragpos.z*fragpos.z / -50),0,1);
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float maxR2_2 = mix(10.0, fragpos.z*fragpos.z*mulfov2*2./50.0, dist3);
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#endif
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float rd = mulfov2 * 0.1 ;
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//pre-rotate direction
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float n = 0.0;
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float occlusion = 0.0;
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sss = 0.0;
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vec2 acc = -(TAA_Offset*(texelSize/2))*RENDER_SCALE ;
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int seed = (frameCounter%40000)*2 + (1+frameCounter);
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float randomDir = fract(R2_samples(seed).y + noise.x ) * 1.61803398874 ;
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vec3 NormalSpecific = viewToWorld(normal);
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for (int j = 0; j < 7 ;j++) {
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float n = 0.0;
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float occlusion = 0.0;
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for (int j = 0; j < 7; j++) {
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vec2 sp = tapLocation_alternate(j, 0.0, 7, 20, randomDir);
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// vec2 sp = vogel_disk_7[j];
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float thing = sp.y < 0.0 && clamp(floor(abs(NormalSpecific.y)*2.0),0.0,1.0) < 1.0 ? rd * 10: rd;
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vec2 sampleOffset = sp*thing;
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vec2 sampleOffset2 = sp*rd ;
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sampleOffset = min(sampleOffset, sampleOffset2);
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// vec2 sampleOffset = sp*rd;
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vec2 sampleOffset = sp*rd;
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ivec2 offset = ivec2(gl_FragCoord.xy + sampleOffset*vec2(viewWidth,viewHeight*aspectRatio)*RENDER_SCALE);
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if (offset.x >= 0 && offset.y >= 0 && offset.x < viewWidth*RENDER_SCALE.x && offset.y < viewHeight*RENDER_SCALE.y ) {
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vec3 t0 = toScreenSpace(vec3(offset*texelSize+acc+0.5*texelSize,texelFetch2D(depthtex1,offset,0).x) * vec3(1.0/RENDER_SCALE, 1.0) );
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vec3 vec = t0.xyz - fragpos;
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float dsquared = dot(vec,vec);
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vec3 vec = (t0.xyz - fragpos);
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float dsquared = dot(vec,vec) ;
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if (dsquared > 1e-5){
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if (dsquared < maxR2){
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float NdotV = clamp(dot(vec*inversesqrt(dsquared), normalize(normal)),0.,1.);
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occlusion += NdotV * clamp(1.0-dsquared/maxR2,0.0,1.0);
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}
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if (dsquared > maxR2_2){
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float NdotV = 1.0 - clamp(dot(vec*dsquared, normalize(normal)),0.,1.);
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sss += NdotV + NdotV*clamp(1.0-maxR2_2/dsquared,0.0,1.0);
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// sss += (1.0 - NdotV) ;
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}
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#ifdef Ambient_SSS
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if(dsquared > maxR2_2){
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float NdotV = 1.0 - clamp(dot(vec*dsquared, normalize(normal)),0.,1.);
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sss += max((NdotV - (1.0-NdotV)) * clamp(1.0-maxR2_2/dsquared,0.0,1.0) ,0.0);
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}
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#endif
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n += 1;
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}
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}
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}
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occlusion *= mix(2.5, 2.0 , clamp(floor(abs(NormalSpecific.y)*2.0),0.0,1.0));
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#ifdef Ambient_SSS
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sss = max(1.0 - sss/n, 0.0) ;
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#endif
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occlusion *= 2.0;
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occlusion = max(1.0 - occlusion/n, 0.0);
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sss *= mix(1.0, 1.5 , clamp(floor(abs(NormalSpecific.y)*2.0),0.0,1.0));
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sss = max(1.0 - sss/n, 0.0) ;
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lighting = lighting*max(occlusion,pow(lightmap.x,4));
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}
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@ -681,12 +643,56 @@ vec3 SubsurfaceScattering_sky(vec3 albedo, float Scattering, float Density){
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vec3 absorbed = max(luma(albedo) - albedo,0.0);
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vec3 scatter = exp(-sqrt(max(Scattering+0.05,0.0) * absorbed * 25)) * exp(Scattering * -5);
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// vec3 scatter = exp(-sqrt(max(Scattering+0.05,0.0) * absorbed * 25)) * exp(Scattering * -5);
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vec3 scatter = exp(-sqrt(Scattering * absorbed * 5)) * pow((-Scattering+1.0)*1.5,2.0);
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scatter *= pow(Density,LabSSS_Curve);
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return scatter;
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}
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void ScreenSpace_SSS(inout float sss, vec3 fragpos, vec2 noise, vec3 normal){
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ivec2 pos = ivec2(gl_FragCoord.xy);
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const float tan70 = tan(70.*3.14/180.);
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float dist = 1.0 + (clamp(fragpos.z*fragpos.z/50.0,0,2)); // shrink sample size as distance increases
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float mulfov2 = gbufferProjection[1][1]/(tan70 * dist);
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float dist3 = clamp(1-exp( fragpos.z*fragpos.z / -50),0,1);
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float maxR2_2 = mix(10, fragpos.z*fragpos.z*mulfov2*2./50.0, dist3);
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float rd = mulfov2 * 0.1;
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vec2 acc = -(TAA_Offset*(texelSize/2))*RENDER_SCALE ;
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int seed = (frameCounter%40000)*2 + (1+frameCounter);
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float randomDir = fract(R2_samples(seed).y + noise.x ) * 1.61803398874 ;
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float n = 0.0;
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for (int j = 0; j < 7 ;j++) {
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vec2 sp = tapLocation_alternate(j, 0.0, 7, 20, randomDir);
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vec2 sampleOffset = sp*rd;
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ivec2 offset = ivec2(gl_FragCoord.xy + sampleOffset*vec2(viewWidth,viewHeight*aspectRatio)*RENDER_SCALE);
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if (offset.x >= 0 && offset.y >= 0 && offset.x < viewWidth*RENDER_SCALE.x && offset.y < viewHeight*RENDER_SCALE.y ) {
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vec3 t0 = toScreenSpace(vec3(offset*texelSize+acc+0.5*texelSize,texelFetch2D(depthtex1,offset,0).x) * vec3(1.0/RENDER_SCALE, 1.0) );
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vec3 vec = t0.xyz - fragpos;
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float dsquared = dot(vec,vec);
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if (dsquared > 1e-5){
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if(dsquared > maxR2_2){
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float NdotV = 1.0 - clamp(dot(vec*dsquared, normalize(normal)),0.,1.);
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sss += max((NdotV - (1.0-NdotV)) * clamp(1.0-maxR2_2/dsquared,0.0,1.0) ,0.0);
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}
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n += 1;
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}
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}
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}
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sss = max(1.0 - sss/n, 0.0);
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}
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float densityAtPosSNOW(in vec3 pos){
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pos /= 18.;
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pos.xz *= 0.5;
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@ -1023,10 +1029,12 @@ void main() {
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Indirect_lighting *= AO;
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#if indirect_effect == 1
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#ifdef Ambient_SSS
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#if indirect_effect != 1
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if (!hand) ScreenSpace_SSS(SkySSS, fragpos, blueNoise(gl_FragCoord.xy).rg, FlatNormals);
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#endif
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Indirect_lighting += SubsurfaceScattering_sky(albedo, SkySSS, LabSSS) * ((AmbientLightColor* 2.0 * ambient_brightness)* 8./150.) * pow(newLightmap.y,3) * pow(1.0-clamp(abs(ambientCoefs.y+0.5),0.0,1.0),0.1) ;
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#endif
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// Indirect_lighting += SubsurfaceScattering_sky(albedo, SkySSS, LabSSS) * ((AmbientLightColor* 2.0 * ambient_brightness)* 8./150.) * pow(newLightmap.y,3);
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#endif
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@ -1086,13 +1094,11 @@ void main() {
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#endif
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#endif
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Direct_lighting = DoDirectLighting(DirectLightColor, Shadows, NdotL, 0.0);
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#ifdef ambientLight_only
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Direct_lighting = vec3(0.0);
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DirectLightColor = vec3(0.0);
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#endif
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Direct_lighting = DoDirectLighting(DirectLightColor, Shadows, NdotL, 0.0);
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//combine all light sources
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vec3 FINAL_COLOR = Indirect_lighting + Direct_lighting;
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@ -1138,7 +1144,9 @@ void main() {
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// phasefunc = phaseg(clamp(dot(np3, WsunVec),0.0,1.0), 0.5)*10;
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// if(z < 1) gl_FragData[0].rgb = Custom_GGX(normal, -np3, WsunVec, SpecularTex.r, SpecularTex.g) * vec3(1.0);
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// gl_FragData[0].rgb = SubsurfaceScattering_sky(albedo, SkySSS, LabSSS);
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// gl_FragData[0].rgb = SubsurfaceScattering_sky(albedo, SkySSS, 1.0);
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// gl_FragData[0].rgb = clamp(1-exp( fragpos.z*fragpos.z / -50),0,1)* vec3(1);
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/* DRAWBUFFERS:3 */
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}
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@ -517,8 +517,10 @@ void main() {
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if(EMISSIVE > 0) gl_FragData[2].a = 0.9;
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if(LIGHTNING > 0.0) gl_FragData[2].a = 0.9;
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#ifdef ENTITIES
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if(LIGHTNING > 0) gl_FragData[2].a = 0.5;
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#endif
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////////////////////////////////
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//////////////////////////////// ALBEDO
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@ -185,7 +185,7 @@ void main() {
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vec3 position = mat3(gl_ModelViewMatrix) * vec3(gl_Vertex) + gl_ModelViewMatrix[3].xyz;
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FlatNormals = normalize(gl_NormalMatrix * gl_Normal);
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color = gl_Color;
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VanillaAO = 1.0 - clamp(color.a,0,1);
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@ -197,32 +197,32 @@ void main() {
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#endif
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normalMat = vec4(normalize(gl_NormalMatrix *gl_Normal), 1.0);
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FlatNormals = normalMat.xyz;
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// #ifdef ENTITIES
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#ifdef ENTITIES
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// NameTags = 0;
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// // try and single out nametag text and then discard nametag background
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// if( dot(gl_Color.rgb, vec3(0.35)) < 1.0) NameTags = 1;
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// if(gl_Color.a >= 0.24 && gl_Color.a <= 0.25 ) gl_Position = vec4(10,10,10,1);
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NameTags = 0;
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// try and single out nametag text and then discard nametag background
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if( dot(gl_Color.rgb, vec3(0.35)) < 1.0) NameTags = 1;
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if(gl_Color.a >= 0.24 && gl_Color.a <= 0.25 ) gl_Position = vec4(10,10,10,1);
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#endif
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// #endif
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#ifdef WORLD
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/////// ----- SSS ----- ///////
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/////// ----- SSS ON BLOCKS ----- ///////
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// strong
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if(mc_Entity.x == 10001 || mc_Entity.x == 10003 || mc_Entity.x == 10004) SSSAMOUNT = 1.0;
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// medium
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if(mc_Entity.x == 10006 || mc_Entity.x == 200) SSSAMOUNT = 1.0;
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if(mc_Entity.x == 10006 || mc_Entity.x == 200) SSSAMOUNT = 0.75;
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// low
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if(mc_Entity.x == 10007 || mc_Entity.x == 10008) SSSAMOUNT = 1.0;
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if(mc_Entity.x == 10007 || mc_Entity.x == 10008) SSSAMOUNT = 0.5;
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#ifdef ENTITIES
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/////// ----- SSS ----- ///////
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/////// ----- SSS ON MOBS----- ///////
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// strong
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if(entityId == 1100) SSSAMOUNT = 1.0;
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if(entityId == 1100) SSSAMOUNT = 0.75;
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// medium
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@ -231,6 +231,7 @@ void main() {
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#endif
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#ifdef BLOCKENTITIES
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/////// ----- SSS ON BLOCK ENTITIES----- ///////
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// strong
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// medium
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@ -5,6 +5,15 @@ value.indirect_effect.2 = GTAO
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value.indirect_effect.3 = RTAO
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value.indirect_effect.4 = SSGI
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option.ambientOcclusionLevel = Vanilla AO Amount
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option.ambient_brightness = Ambient Light Brightness
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option.MIN_LIGHT_AMOUNT = Minimum Light Brightness
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option.ambient_colortype = Coloring Type
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value.ambient_colortype.0 = Temperature
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value.ambient_colortype.1 = RGB
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option.SSS_TYPE = SSS Mode
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value.SSS_TYPE.0 = RTX
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value.SSS_TYPE.1 = Hardcoded only
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@ -14,9 +23,6 @@ option.SSS_TYPE.comment = Hardcoded means that the shader defines what gets SSS
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option.ambient_colortype = Coloring Type
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value.ambient_colortype.0 = Temperature
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value.ambient_colortype.1 = RGB
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option.DOF_QUALITY=Depth Of Field
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value.DOF_QUALITY.-1=Off
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@ -125,7 +125,7 @@
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#define LabPBR_subsurface_scattering
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#define SSS_TYPE 1 // [0 1 2 3]
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#define Ambient_SSS // ONLY WORKS WHEN SSAO IS ENABLED. SSS from the sky on stuff.
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#define Ambient_SSS // subsurface scattering from the sky's light. If SSAO is enabled, this costs very little performance.
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#define LabSSS_Curve 1.0 // i just really like how it looks at 2.0, so i made it an option. [0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 ]
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#define Strong_SSS_strength 45 // [ 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 2 3 4 5 6 7 8 9 10 15 20 30 35 40 45 50]
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#define Medium_SSS_strength 30 // [ 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 2 3 4 5 6 7 8 9 10 15 20 30 35 40 45 50]
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@ -62,14 +62,14 @@ screen = [Direct_Light] [World] [Ambient_light] [Fog] [Post_Processing] [Clouds]
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screen.Shadows = SCREENSPACE_CONTACT_SHADOWS Stochastic_Transparent_Shadows SHADOW_FRUSTRUM_CULLING CAVE_LIGHT_LEAK_FIX <skip> [Filtering] shadowMapResolution shadowDistance shadowDistanceRenderMul
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screen.Subsurface_Scattering.columns=1
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screen.Subsurface_Scattering = Variable_Penumbra_Shadows <empty> SSS_TYPE LabSSS_Curve Ambient_SSS <empty> mob_SSS misc_block_SSS
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screen.Subsurface_Scattering = Variable_Penumbra_Shadows Ambient_SSS <empty> SSS_TYPE LabSSS_Curve <empty> mob_SSS misc_block_SSS
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screen.Filtering.columns=1
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screen.Filtering = Variable_Penumbra_Shadows VPS_Search_Samples Min_Shadow_Filter_Radius Max_Shadow_Filter_Radius Max_Filter_Depth SHADOW_FILTER_SAMPLE_COUNT
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### AMBIENT LIGHT
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screen.Ambient_light.columns=1
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screen.Ambient_light = [Torch_Colors] [Ambient_Colors] <skip> indirect_effect HQ_SSGI AO_Strength GI_Strength ambientOcclusionLevel
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screen.Ambient_light = [Torch_Colors] [Ambient_Colors] <skip> Ambient_SSS indirect_effect AO_Strength GI_Strength ambientOcclusionLevel HQ_SSGI
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screen.Torch_Colors.columns=1
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screen.Torch_Colors = TORCH_AMOUNT Emissive_Brightness Emissive_Curve <skip> TORCH_R TORCH_G TORCH_B
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