mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2024-12-23 01:59:39 +08:00
487 lines
15 KiB
GLSL
487 lines
15 KiB
GLSL
// #version 120
|
|
#extension GL_EXT_gpu_shader4 : enable
|
|
|
|
varying vec4 lmtexcoord;
|
|
varying vec4 color;
|
|
|
|
|
|
uniform sampler2D normals;
|
|
varying vec4 tangent;
|
|
|
|
varying vec4 normalMat;
|
|
varying vec3 binormal;
|
|
|
|
|
|
varying vec3 viewVector;
|
|
|
|
#include "lib/settings.glsl"
|
|
#include "/lib/res_params.glsl"
|
|
|
|
|
|
uniform sampler2D texture;
|
|
uniform sampler2D noisetex;
|
|
uniform sampler2DShadow shadow;
|
|
// uniform sampler2D gaux2;
|
|
// uniform sampler2D gaux1;
|
|
|
|
// uniform sampler2D colortex4;
|
|
uniform sampler2D colortex5;
|
|
uniform sampler2D depthtex1;
|
|
|
|
uniform float nightVision;
|
|
|
|
uniform vec3 sunVec;
|
|
uniform float frameTimeCounter;
|
|
uniform float lightSign;
|
|
uniform float near;
|
|
uniform float far;
|
|
uniform float moonIntensity;
|
|
uniform float sunIntensity;
|
|
uniform vec3 sunColor;
|
|
uniform vec3 nsunColor;
|
|
uniform vec3 upVec;
|
|
uniform float sunElevation;
|
|
uniform float fogAmount;
|
|
uniform vec2 texelSize;
|
|
uniform float rainStrength;
|
|
uniform float skyIntensityNight;
|
|
uniform float skyIntensity;
|
|
flat varying vec3 WsunVec;
|
|
uniform mat4 gbufferPreviousModelView;
|
|
uniform vec3 previousCameraPosition;
|
|
uniform int framemod8;
|
|
uniform sampler2D specular;
|
|
uniform int frameCounter;
|
|
uniform int isEyeInWater;
|
|
|
|
|
|
flat varying vec4 lightCol; //main light source color (rgb),used light source(1=sun,-1=moon)
|
|
flat varying vec3 avgAmbient;
|
|
|
|
|
|
|
|
#include "lib/Shadow_Params.glsl"
|
|
#include "lib/color_transforms.glsl"
|
|
#include "lib/projections.glsl"
|
|
#include "lib/sky_gradient.glsl"
|
|
#include "lib/waterBump.glsl"
|
|
#include "lib/clouds.glsl"
|
|
#include "lib/stars.glsl"
|
|
#include "lib/volumetricClouds.glsl"
|
|
#include "lib/diffuse_lighting.glsl"
|
|
|
|
|
|
float blueNoise(){
|
|
return fract(texelFetch2D(noisetex, ivec2(gl_FragCoord.xy)%512, 0).a + 1.0/1.6180339887 * frameCounter);
|
|
}
|
|
float R2_dither(){
|
|
vec2 alpha = vec2(0.75487765, 0.56984026);
|
|
return fract(alpha.x * gl_FragCoord.x + alpha.y * gl_FragCoord.y + 1.0/1.6180339887 * frameCounter) ;
|
|
}
|
|
float interleaved_gradientNoise(){
|
|
vec2 coord = gl_FragCoord.xy + (frameCounter%40000);
|
|
// vec2 coord = gl_FragCoord.xy + frameTimeCounter;
|
|
// vec2 coord = gl_FragCoord.xy;
|
|
float noise = fract( 52.9829189 * fract( (coord.x * 0.06711056) + (coord.y * 0.00583715)) );
|
|
return noise ;
|
|
}
|
|
float interleaved_gradientNoise(float temporal){
|
|
vec2 coord = gl_FragCoord.xy;
|
|
float noise = fract(52.9829189*fract(0.06711056*coord.x + 0.00583715*coord.y)+temporal);
|
|
return noise;
|
|
}
|
|
|
|
const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
|
|
vec2(-1.,3.)/8.,
|
|
vec2(5.0,1.)/8.,
|
|
vec2(-3,-5.)/8.,
|
|
vec2(-5.,5.)/8.,
|
|
vec2(-7.,-1.)/8.,
|
|
vec2(3,7.)/8.,
|
|
vec2(7.,-7.)/8.);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define PW_DEPTH 1.0 //[0.5 1.0 1.5 2.0 2.5 3.0]
|
|
#define PW_POINTS 1 //[2 4 6 8 16 32]
|
|
|
|
vec3 getParallaxDisplacement(vec3 posxz, float iswater,float bumpmult,vec3 viewVec) {
|
|
float waveZ = mix(20.0,0.25,iswater);
|
|
float waveM = mix(0.0,4.0,iswater);
|
|
|
|
vec3 parallaxPos = posxz;
|
|
vec2 vec = viewVector.xy * (1.0 / float(PW_POINTS)) * 22.0 * PW_DEPTH;
|
|
float waterHeight = getWaterHeightmap(posxz.xz, waveM, waveZ, iswater) ;
|
|
|
|
parallaxPos.xz += waterHeight * vec;
|
|
|
|
return parallaxPos;
|
|
|
|
}
|
|
|
|
vec3 applyBump(mat3 tbnMatrix, vec3 bump, float puddle_values){
|
|
float bumpmult = 1;
|
|
bump = bump * vec3(bumpmult, bumpmult, bumpmult) + vec3(0.0f, 0.0f, 1.0f - bumpmult);
|
|
return normalize(bump*tbnMatrix);
|
|
}
|
|
|
|
vec2 tapLocation(int sampleNumber,int nb, float nbRot,float jitter,float distort)
|
|
{
|
|
float alpha = (sampleNumber+jitter)/nb;
|
|
float angle = jitter*6.28 + alpha * nbRot * 6.28;
|
|
|
|
float sin_v, cos_v;
|
|
|
|
sin_v = sin(angle);
|
|
cos_v = cos(angle);
|
|
|
|
return vec2(cos_v, sin_v)*sqrt(alpha);
|
|
}
|
|
|
|
|
|
vec3 viewToWorld(vec3 viewPosition) {
|
|
vec4 pos;
|
|
pos.xyz = viewPosition;
|
|
pos.w = 0.0;
|
|
pos = gbufferModelViewInverse * pos;
|
|
return pos.xyz;
|
|
}
|
|
|
|
vec3 worldToView(vec3 worldPos) {
|
|
vec4 pos = vec4(worldPos, 0.0);
|
|
pos = gbufferModelView * pos;
|
|
return pos.xyz;
|
|
}
|
|
vec4 encode (vec3 n, vec2 lightmaps){
|
|
n.xy = n.xy / dot(abs(n), vec3(1.0));
|
|
n.xy = n.z <= 0.0 ? (1.0 - abs(n.yx)) * sign(n.xy) : n.xy;
|
|
vec2 encn = clamp(n.xy * 0.5 + 0.5,-1.0,1.0);
|
|
|
|
return vec4(encn,vec2(lightmaps.x,lightmaps.y));
|
|
}
|
|
|
|
//encoding by jodie
|
|
float encodeVec2(vec2 a){
|
|
const vec2 constant1 = vec2( 1., 256.) / 65535.;
|
|
vec2 temp = floor( a * 255. );
|
|
return temp.x*constant1.x+temp.y*constant1.y;
|
|
}
|
|
float encodeVec2(float x,float y){
|
|
return encodeVec2(vec2(x,y));
|
|
}
|
|
|
|
|
|
float invLinZ (float lindepth){
|
|
return -((2.0*near/lindepth)-far-near)/(far-near);
|
|
}
|
|
float ld(float dist) {
|
|
return (2.0 * near) / (far + near - dist * (far - near));
|
|
}
|
|
|
|
vec3 rayTrace(vec3 dir,vec3 position,float dither, float fresnel, bool inwater){
|
|
|
|
float quality = mix(15,SSR_STEPS,fresnel);
|
|
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);
|
|
|
|
|
|
vec3 stepv = direction * mult / quality*vec3(RENDER_SCALE,1.0);
|
|
|
|
|
|
vec3 spos = clipPosition*vec3(RENDER_SCALE,1.0) + stepv*dither;
|
|
float minZ = clipPosition.z;
|
|
float maxZ = spos.z+stepv.z*0.5;
|
|
|
|
spos.xy += offsets[framemod8]*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++) {
|
|
#ifdef USE_QUARTER_RES_DEPTH
|
|
// decode depth buffer
|
|
float sp = sqrt(texelFetch2D(colortex4,ivec2(spos.xy/texelSize/4),0).w/65000.0);
|
|
sp = invLinZ(sp);
|
|
|
|
if(sp <= max(maxZ,minZ) && sp >= min(maxZ,minZ)) return vec3(spos.xy/RENDER_SCALE,sp);
|
|
#else
|
|
float sp = texelFetch2D(depthtex1,ivec2(spos.xy/texelSize),0).r;
|
|
if(sp <= max(maxZ,minZ) && sp >= min(maxZ,minZ)) return vec3(spos.xy/RENDER_SCALE,sp);
|
|
|
|
|
|
#endif
|
|
|
|
spos += stepv;
|
|
//small bias
|
|
minZ = maxZ-(0.0001/dist)/ld(spos.z);
|
|
if(inwater) minZ = maxZ-0.0004/ld(spos.z);
|
|
maxZ += stepv.z;
|
|
}
|
|
|
|
return vec3(1.1);
|
|
}
|
|
|
|
vec3 GGX (vec3 n, vec3 v, vec3 l, float r, vec3 F0) {
|
|
r = pow(r,2.5);
|
|
// r*=r;
|
|
|
|
vec3 h = l + v;
|
|
float hn = inversesqrt(dot(h, h));
|
|
|
|
float dotLH = clamp(dot(h,l)*hn,0.,1.);
|
|
float dotNH = clamp(dot(h,n)*hn,0.,1.) ;
|
|
float dotNL = clamp(dot(n,l),0.,1.);
|
|
float dotNHsq = dotNH*dotNH;
|
|
|
|
float denom = dotNHsq * r - dotNHsq + 1.;
|
|
float D = r / (3.141592653589793 * denom * denom);
|
|
vec3 F = F0 + (1. - F0) * exp2((-5.55473*dotLH-6.98316)*dotLH);
|
|
float k2 = .25 * r;
|
|
|
|
return dotNL * D * F / (dotLH*dotLH*(1.0-k2)+k2);
|
|
}
|
|
|
|
|
|
|
|
#define PHYSICSMOD_FRAGMENT
|
|
#include "/lib/oceans.glsl"
|
|
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
|
|
/* RENDERTARGETS:2,7,11,14 */
|
|
void main() {
|
|
if (gl_FragCoord.x * texelSize.x < RENDER_SCALE.x && gl_FragCoord.y * texelSize.y < RENDER_SCALE.y ) {
|
|
vec2 tempOffset = offsets[framemod8];
|
|
vec3 fragpos = toScreenSpace(gl_FragCoord.xyz*vec3(texelSize/RENDER_SCALE,1.0)-vec3(vec2(tempOffset)*texelSize*0.5,0.0));
|
|
|
|
gl_FragData[0] = texture2D(texture, lmtexcoord.xy, Texture_MipMap_Bias) * color;
|
|
vec3 Albedo = toLinear(gl_FragData[0].rgb);
|
|
|
|
float UnchangedAlpha = gl_FragData[0].a;
|
|
|
|
float iswater = normalMat.w;
|
|
|
|
#ifdef HAND
|
|
iswater = 0.1;
|
|
#endif
|
|
|
|
#ifndef Vanilla_like_water
|
|
if (iswater > 0.9) {
|
|
Albedo = vec3(0.0);
|
|
gl_FragData[0] = vec4(vec3(0.0),1.0/255.0);
|
|
}
|
|
#endif
|
|
|
|
#ifdef Vanilla_like_water
|
|
if (iswater > 0.5) {
|
|
gl_FragData[0].a = luma(Albedo.rgb);
|
|
Albedo = color.rgb;
|
|
}
|
|
#endif
|
|
|
|
|
|
vec4 COLORTEST = vec4(Albedo,UnchangedAlpha);
|
|
|
|
|
|
vec3 p3 = mat3(gbufferModelViewInverse) * fragpos + gbufferModelViewInverse[3].xyz;
|
|
|
|
vec3 normal = normalMat.xyz;
|
|
vec2 TangentNormal = vec2(0); // for refractions
|
|
|
|
vec3 tangent2 = normalize(cross(tangent.rgb,normal)*tangent.w);
|
|
mat3 tbnMatrix = mat3(tangent.x, tangent2.x, normal.x,
|
|
tangent.y, tangent2.y, normal.y,
|
|
tangent.z, tangent2.z, normal.z);
|
|
|
|
|
|
|
|
|
|
/// ------ NORMALS ------ ///
|
|
|
|
vec4 NormalTex = texture2D(normals, lmtexcoord.xy, Texture_MipMap_Bias).rgba;
|
|
NormalTex.xy = NormalTex.xy*2.0-1.0;
|
|
NormalTex.z = clamp(sqrt(1.0 - dot(NormalTex.xy, NormalTex.xy)),0.0,1.0) ;
|
|
TangentNormal = NormalTex.xy*0.5+0.5;
|
|
|
|
normal = applyBump(tbnMatrix, NormalTex.xyz, 1.0);
|
|
|
|
if (iswater > 0.95){
|
|
|
|
if(physics_iterationsNormal < 1.0){
|
|
float bumpmult = 1.;
|
|
vec3 bump;
|
|
vec3 posxz = p3+cameraPosition;
|
|
|
|
posxz.xz -= posxz.y;
|
|
posxz.xyz = getParallaxDisplacement(posxz,iswater,bumpmult,normalize(tbnMatrix*fragpos)) ;
|
|
|
|
bump = normalize(getWaveHeight(posxz.xz,iswater));
|
|
|
|
TangentNormal = bump.xy*0.5+0.5; // tangent space normals for refraction
|
|
|
|
bump = bump * vec3(bumpmult, bumpmult, bumpmult) + vec3(0.0f, 0.0f, 1.0f - bumpmult);
|
|
normal = normalize(bump * tbnMatrix);
|
|
|
|
}else{
|
|
/// ------ PHYSICS MOD OCEAN SHIT ------ ///
|
|
|
|
WavePixelData wave = physics_wavePixel(physics_localPosition.xz, physics_localWaviness, physics_iterationsNormal, physics_gameTime);
|
|
// float Foam = wave.foam;
|
|
|
|
// Albedo = mix(Albedo,vec3(1),Foam);
|
|
// gl_FragData[0].a = Foam;
|
|
|
|
|
|
normal = normalize(worldToView(wave.normal) + mix(normal, vec3(0.0), clamp(physics_localWaviness,0.0,1.0)));
|
|
|
|
vec3 worldSpaceNormal = normal;
|
|
|
|
vec3 bitangent = normalize(cross(tangent.xyz, worldSpaceNormal));
|
|
mat3 tbn_new = mat3(tangent.xyz, binormal, worldSpaceNormal);
|
|
vec3 tangentSpaceNormal = worldSpaceNormal * tbn_new;
|
|
|
|
TangentNormal = tangentSpaceNormal.xy * 0.5 + 0.5;
|
|
}
|
|
}
|
|
|
|
// cannot encode alpha or it will shit its pants
|
|
gl_FragData[2] = vec4(encodeVec2(TangentNormal), encodeVec2(COLORTEST.rg), encodeVec2(COLORTEST.ba), UnchangedAlpha);
|
|
|
|
|
|
float NdotL = clamp(lightSign*dot(normal,sunVec) ,0.0,1.0);
|
|
NdotL = clamp((-15 + NdotL*255.0) / 240.0 ,0.0,1.0);
|
|
|
|
float Shadows = 1.0;
|
|
//compute shadows only if not backface
|
|
if (NdotL > 0.001) {
|
|
vec3 p3 = mat3(gbufferModelViewInverse) * fragpos + gbufferModelViewInverse[3].xyz;
|
|
vec3 projectedShadowPosition = mat3(shadowModelView) * p3 + shadowModelView[3].xyz;
|
|
projectedShadowPosition = diagonal3(shadowProjection) * projectedShadowPosition + shadowProjection[3].xyz;
|
|
|
|
//apply distortion
|
|
float distortFactor = calcDistort(projectedShadowPosition.xy);
|
|
projectedShadowPosition.xy *= distortFactor;
|
|
//do shadows only if on shadow map
|
|
if (abs(projectedShadowPosition.x) < 1.0-1.5/shadowMapResolution && abs(projectedShadowPosition.y) < 1.0-1.5/shadowMapResolution){
|
|
const float threshMul = max(2048.0/shadowMapResolution*shadowDistance/128.0,0.95);
|
|
float distortThresh = (sqrt(1.0-NdotL*NdotL)/NdotL+0.7)/distortFactor;
|
|
float diffthresh = distortThresh/6000.0*threshMul;
|
|
|
|
projectedShadowPosition = projectedShadowPosition * vec3(0.5,0.5,0.5/6.0) + vec3(0.5,0.5,0.5);
|
|
|
|
Shadows = 0.0;
|
|
float noise = blueNoise();
|
|
float rdMul = 4.0/shadowMapResolution;
|
|
|
|
for(int i = 0; i < 9; i++){
|
|
vec2 offsetS = tapLocation(i,9, 1.618,noise,0.0);
|
|
|
|
float weight = 1.0+(i+noise)*rdMul/9.0*shadowMapResolution;
|
|
Shadows += shadow2D(shadow,vec3(projectedShadowPosition + vec3(rdMul*offsetS,-diffthresh*weight))).x/9.0;
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef CLOUDS_SHADOWS
|
|
Shadows *= GetCloudShadow(p3);
|
|
#endif
|
|
}
|
|
|
|
vec3 WS_normal = viewToWorld(normal);
|
|
vec3 ambientCoefs = WS_normal/dot(abs(WS_normal),vec3(1.));
|
|
float skylight = clamp(abs(ambientCoefs.y+1),0.35,2.0) ;
|
|
|
|
vec3 Indirect_lighting = DoAmbientLighting(avgAmbient, vec3(TORCH_R,TORCH_G,TORCH_B), lmtexcoord.zw, skylight);
|
|
vec3 Direct_lighting = DoDirectLighting(lightCol.rgb/80.0, Shadows, NdotL, 0.0);
|
|
|
|
vec3 FinalColor = (Direct_lighting + Indirect_lighting) * Albedo;
|
|
|
|
#ifdef Glass_Tint
|
|
float alphashit = min(pow(gl_FragData[0].a,2.0),1.0);
|
|
FinalColor *= alphashit;
|
|
#endif
|
|
|
|
|
|
vec2 SpecularTex = texture2D(specular, lmtexcoord.xy, Texture_MipMap_Bias).rg;
|
|
|
|
SpecularTex = (iswater > 0.0 && iswater < 0.9) && SpecularTex.r > 0.0 && SpecularTex.g < 0.9 ? SpecularTex : vec2(1.0,0.1);
|
|
|
|
float roughness = max(pow(1.0-SpecularTex.r,2.0),0.05);
|
|
float f0 = SpecularTex.g;
|
|
|
|
if (iswater > 0.0){
|
|
vec3 Reflections_Final = vec3(0.0);
|
|
|
|
float indoors = clamp((lmtexcoord.w-0.6)*5.0, 0.0,1.0);
|
|
|
|
vec3 reflectedVector = reflect(normalize(fragpos), normal);
|
|
float normalDotEye = dot(normal, normalize(fragpos));
|
|
float fresnel = pow(clamp(1.0 + normalDotEye,0.0,1.0), 5.0);
|
|
// float unchangedfresnel = fresnel;
|
|
|
|
// snells window looking thing
|
|
if(isEyeInWater == 1 && iswater > 0.99) fresnel = clamp(pow(1.66 + normalDotEye,25),0.02,1.0);
|
|
|
|
if(isEyeInWater == 1 && physics_iterationsNormal > 0.0) fresnel = clamp( 1.0 - (pow( normalDotEye * 1.66 ,25)),0.02,1.0);
|
|
|
|
fresnel = mix(f0, 1.0, fresnel);
|
|
|
|
vec3 wrefl = mat3(gbufferModelViewInverse)*reflectedVector;
|
|
|
|
// SSR, Sky, and Sun reflections
|
|
vec4 Reflections = vec4(0.0);
|
|
vec3 SkyReflection = skyCloudsFromTex(wrefl,colortex4).rgb / 150. * 5.;
|
|
vec3 SunReflection = Direct_lighting * GGX(normal, -normalize(fragpos), lightSign*sunVec, roughness, vec3(f0));
|
|
|
|
if(iswater > 0.0){
|
|
#ifdef SCREENSPACE_REFLECTIONS
|
|
vec3 rtPos = rayTrace(reflectedVector,fragpos.xyz, interleaved_gradientNoise(), fresnel, isEyeInWater == 1);
|
|
if (rtPos.z < 1.){
|
|
vec3 previousPosition = mat3(gbufferModelViewInverse) * toScreenSpace(rtPos) + gbufferModelViewInverse[3].xyz + cameraPosition-previousCameraPosition;
|
|
previousPosition = mat3(gbufferPreviousModelView) * previousPosition + gbufferPreviousModelView[3].xyz;
|
|
previousPosition.xy = projMAD(gbufferPreviousProjection, previousPosition).xy / -previousPosition.z * 0.5 + 0.5;
|
|
if (previousPosition.x > 0.0 && previousPosition.y > 0.0 && previousPosition.x < 1.0 && previousPosition.x < 1.0) {
|
|
Reflections.a = 1.0;
|
|
Reflections.rgb = texture2D(colortex5,previousPosition.xy).rgb;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
float visibilityFactor = clamp(exp2((pow(roughness,3.0) / f0) * -4),0,1);
|
|
|
|
Reflections_Final = mix(SkyReflection*indoors, Reflections.rgb, Reflections.a);
|
|
Reflections_Final = mix(FinalColor, Reflections_Final, fresnel * visibilityFactor);
|
|
Reflections_Final += SunReflection;
|
|
|
|
gl_FragData[0].rgb = Reflections_Final;
|
|
|
|
//correct alpha channel with fresnel
|
|
float alpha0 = gl_FragData[0].a;
|
|
gl_FragData[0].a = mix(alpha0, 1.0, fresnel);
|
|
|
|
if (gl_FragData[0].r > 65000.) gl_FragData[0].rgba = vec4(0.);
|
|
|
|
} else {
|
|
gl_FragData[0].rgb = FinalColor;
|
|
}
|
|
|
|
#ifndef HAND
|
|
gl_FragData[1] = vec4(Albedo,iswater);
|
|
#endif
|
|
|
|
gl_FragData[3].a = lmtexcoord.w;
|
|
}
|
|
} |