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readd SSGI, fix spider eyes on iris, fix min light amount

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all that.
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Xonk
2023-04-16 19:43:56 -04:00
parent 2ee6634935
commit e1c82709f0
11 changed files with 252 additions and 177 deletions
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47
shaders/lib/specular.glsl
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@ -70,38 +70,35 @@ vec2 R2_samples_spec(int n){
vec3 rayTrace_GI(vec3 dir,vec3 position,float dither, float quality){
vec3 clipPosition = toClipSpace3(position);
float rayLength = ((position.z + dir.z * far*sqrt(3.)) > -near) ? (-near -position.z) / dir.z : far*sqrt(3.);
vec3 direction = normalize(toClipSpace3(position+dir*rayLength)-clipPosition); //convert to clip space
direction.xy = normalize(direction.xy);
vec3 clipPosition = toClipSpace3(position);
float rayLength = ((position.z + dir.z * far*sqrt(3.)) > -near) ?
(-near -position.z) / dir.z : far*sqrt(3.);
vec3 direction = normalize(toClipSpace3(position+dir*rayLength)-clipPosition); //convert to clip space
direction.xy = normalize(direction.xy);
//get at which length the ray intersects with the edge of the screen
vec3 maxLengths = (step(0.,direction)-clipPosition) / direction;
float mult = min(min(maxLengths.x,maxLengths.y),maxLengths.z);
//get at which length the ray intersects with the edge of the screen
vec3 maxLengths = (step(0.,direction)-clipPosition) / direction;
float mult = maxLengths.y;
vec3 stepv = direction * mult / quality*vec3(RENDER_SCALE,1.0) * dither;
vec3 spos = clipPosition*vec3(RENDER_SCALE,1.0) ;
vec3 stepv = direction * mult / quality*vec3(RENDER_SCALE,1.0);
vec3 spos = clipPosition*vec3(RENDER_SCALE,1.0) + stepv*dither;
float minZ = clipPosition.z+stepv.z;
float maxZ = spos.z+stepv.z;
spos.xy += TAA_Offset*texelSize*0.5/RENDER_SCALE;
float dist = 1.0 + clamp(position.z*position.z/50.0,0,2); // shrink sample size as distance increases
for (int i = 0; i <= int(quality); i++) {
float biasdist = clamp(position.z*position.z/50.0,1,2); // shrink sample size as distance increases
float sp = texelFetch2D(depthtex1,ivec2(spos.xy/texelSize),0).r;
for(int i = 0; i < int(quality); i++){
spos += stepv;
float sp = sqrt(texelFetch2D(colortex4,ivec2(spos.xy/texelSize/4),0).w/65000.0);
float currZ = linZ(spos.z);
if(sp <= max(maxZ,minZ) && sp >= min(maxZ,minZ)) return vec3(spos.xy/RENDER_SCALE,sp);
spos += stepv;
//small bias
minZ = maxZ-(0.0001/dist)/ld(spos.z);
maxZ += stepv.z;
}
return vec3(1.1);
if( sp < currZ) {
float dist = abs(sp-currZ)/currZ;
if (abs(dist) < biasdist*0.05) return vec3(spos.xy, invLinZ(sp))/vec3(RENDER_SCALE,1.0);
}
spos += stepv;
}
return vec3(1.1);
}
vec3 rayTraceSpeculars(vec3 dir,vec3 position,float dither, float quality, bool hand, inout float reflectLength){