mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2024-12-23 01:59:39 +08:00
313 lines
10 KiB
GLSL
313 lines
10 KiB
GLSL
#include "/lib/settings.glsl"
|
|
#include "/lib/res_params.glsl"
|
|
|
|
// uniform int dhRenderDistance;
|
|
uniform float frameTimeCounter;
|
|
#include "/lib/Shadow_Params.glsl"
|
|
|
|
|
|
|
|
flat varying vec3 averageSkyCol_Clouds;
|
|
flat varying vec3 averageSkyCol;
|
|
|
|
flat varying vec3 sunColor;
|
|
flat varying vec3 moonColor;
|
|
flat varying vec3 lightSourceColor;
|
|
flat varying vec3 zenithColor;
|
|
|
|
flat varying vec2 tempOffsets;
|
|
|
|
flat varying float exposure;
|
|
flat varying float avgBrightness;
|
|
flat varying float rodExposure;
|
|
flat varying float avgL2;
|
|
flat varying float centerDepth;
|
|
|
|
#ifdef Daily_Weather
|
|
flat varying vec4 dailyWeatherParams0;
|
|
flat varying vec4 dailyWeatherParams1;
|
|
#endif
|
|
uniform int hideGUI;
|
|
flat varying vec4 CurrentFrame_dailyWeatherParams0;
|
|
flat varying vec4 CurrentFrame_dailyWeatherParams1;
|
|
|
|
uniform sampler2D colortex4;
|
|
uniform sampler2D colortex6;
|
|
uniform sampler2D depthtex0;
|
|
uniform sampler2D depthtex1;
|
|
uniform sampler2D depthtex2;
|
|
|
|
uniform mat4 gbufferModelViewInverse;
|
|
uniform vec3 sunPosition;
|
|
uniform vec2 texelSize;
|
|
uniform float sunElevation;
|
|
uniform float eyeAltitude;
|
|
uniform float near;
|
|
// uniform float far;
|
|
uniform float frameTime;
|
|
uniform int frameCounter;
|
|
uniform float rainStrength;
|
|
|
|
// uniform int worldTime;
|
|
vec3 sunVec = normalize(mat3(gbufferModelViewInverse) * sunPosition);
|
|
|
|
// vec3 sunVec = normalize(LightDir);
|
|
|
|
#include "/lib/sky_gradient.glsl"
|
|
#include "/lib/util.glsl"
|
|
#include "/lib/ROBOBO_sky.glsl"
|
|
|
|
float luma(vec3 color) {
|
|
return dot(color,vec3(0.21, 0.72, 0.07));
|
|
}
|
|
vec3 rodSample(vec2 Xi)
|
|
{
|
|
float r = sqrt(1.0f - Xi.x*Xi.y);
|
|
float phi = 2 * 3.14159265359 * Xi.y;
|
|
|
|
return normalize(vec3(cos(phi) * r, sin(phi) * r, Xi.x)).xzy;
|
|
}
|
|
//Low discrepancy 2D sequence, integration error is as low as sobol but easier to compute : http://extremelearning.com.au/unreasonable-effectiveness-of-quasirandom-sequences/
|
|
vec2 R2_samples(int n){
|
|
vec2 alpha = vec2(0.75487765, 0.56984026);
|
|
return fract(alpha * n);
|
|
}
|
|
float tanh(float x){
|
|
return (exp(x) - exp(-x))/(exp(x) + exp(-x));
|
|
}
|
|
float ld(float depth) {
|
|
return (2.0 * near) / (far + near - depth * (far - near)); // (-depth * (far - near)) = (2.0 * near)/ld - far - near
|
|
}
|
|
|
|
uniform float nightVision;
|
|
|
|
uniform int worldDay;
|
|
void getWeatherParams(
|
|
inout vec4 weatherParams0,
|
|
inout vec4 weatherParams1,
|
|
|
|
float layer0_coverage,
|
|
float layer1_coverage,
|
|
float layer2_coverage,
|
|
float uniformFog_density,
|
|
|
|
float layer0_density,
|
|
float layer1_density,
|
|
float layer2_density,
|
|
float cloudyFog_density
|
|
){
|
|
weatherParams0 = vec4(layer0_coverage, layer1_coverage, layer2_coverage, uniformFog_density);
|
|
weatherParams1 = vec4(layer0_density, layer1_density, layer2_density, cloudyFog_density);
|
|
}
|
|
|
|
float hash11(float p)
|
|
{
|
|
p = fract(p * .1031);
|
|
p *= p + 33.33;
|
|
p *= p + p;
|
|
return fract(p);
|
|
}
|
|
|
|
void main() {
|
|
|
|
gl_Position = ftransform()*0.5+0.5;
|
|
gl_Position.xy = gl_Position.xy*vec2(18.+258*2,258.)*texelSize;
|
|
gl_Position.xy = gl_Position.xy*2.-1.0;
|
|
|
|
#ifdef OVERWORLD_SHADER
|
|
|
|
///////////////////////////////////
|
|
/// --- AMBIENT LIGHT STUFF --- ///
|
|
///////////////////////////////////
|
|
|
|
averageSkyCol_Clouds = vec3(0.0);
|
|
averageSkyCol = vec3(0.0);
|
|
|
|
vec2 sample3x3[9] = vec2[](
|
|
|
|
vec2(-1.0, -0.3),
|
|
vec2( 0.0, 0.0),
|
|
vec2( 1.0, -0.3),
|
|
|
|
vec2(-1.0, -0.5),
|
|
vec2( 0.0, -0.5),
|
|
vec2( 1.0, -0.5),
|
|
|
|
vec2(-1.0, -1.0),
|
|
vec2( 0.0, -1.0),
|
|
vec2( 1.0, -1.0)
|
|
);
|
|
|
|
// sample in a 3x3 pattern to get a good area for average color
|
|
|
|
int maxIT = 9;
|
|
// int maxIT = 20;
|
|
for (int i = 0; i < maxIT; i++) {
|
|
vec3 pos = vec3(0.0,1.0,0.0);
|
|
pos.xy += normalize(sample3x3[i]) * vec2(0.3183,0.9000);
|
|
|
|
averageSkyCol_Clouds += 1.5 * (skyCloudsFromTex(pos,colortex4).rgb/maxIT/150.0);
|
|
averageSkyCol += 1.5 * (skyFromTex(pos,colortex4).rgb/maxIT/150.0);
|
|
}
|
|
|
|
// maximum control of color and luminance
|
|
// vec3 minimumlight = vec3(0.5,0.75,1.0) * nightVision;
|
|
// averageSkyCol_Clouds = max( normalize(averageSkyCol_Clouds) * min(luma(averageSkyCol_Clouds) * 3.0,2.5) * (1.0-rainStrength*0.7), minimumlight);
|
|
|
|
|
|
vec3 minimumlight = vec3(0.02) * 0.2 * MIN_LIGHT_AMOUNT + nightVision * 0.05;
|
|
averageSkyCol_Clouds = max(normalize(averageSkyCol_Clouds + 1e-6) * min(luma(averageSkyCol_Clouds) * 3.0,2.5),0.0);
|
|
averageSkyCol = max(averageSkyCol * PLANET_GROUND_BRIGHTNESS,0.0) + max(minimumlight, 0.02 * 0.2);
|
|
|
|
////////////////////////////////////////
|
|
/// --- SUNLIGHT/MOONLIGHT STUFF --- ///
|
|
////////////////////////////////////////
|
|
|
|
vec2 planetSphere = vec2(0.0);
|
|
|
|
float sunVis = clamp(sunElevation,0.0,0.05)/0.05*clamp(sunElevation,0.0,0.05)/0.05;
|
|
float moonVis = clamp(-sunElevation,0.0,0.05)/0.05*clamp(-sunElevation,0.0,0.05)/0.05;
|
|
|
|
vec3 skyAbsorb = vec3(0.0);
|
|
sunColor = calculateAtmosphere(vec3(0.0), sunVec, vec3(0.0,1.0,0.0), sunVec, -sunVec, planetSphere, skyAbsorb, 25,0.0);
|
|
sunColor = sunColorBase/4000.0 * skyAbsorb;
|
|
moonColor = moonColorBase/4000.0;
|
|
|
|
// lightSourceColor = sunVis >= 1e-5 ? sunColor * sunVis : moonColor * moonVis;
|
|
lightSourceColor = sunColor * sunVis + moonColor * moonVis;
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////
|
|
/// --- WEATHER PARAMETERS --- ///
|
|
//////////////////////////////////
|
|
|
|
#ifdef Daily_Weather
|
|
// this is horrid and i hate it
|
|
// store 8 values that control cloud parameters.
|
|
// as the day counter changes, switch to a different set of stored values.
|
|
|
|
#ifdef CHOOSE_RANDOM_WEATHER_PROFILE
|
|
int dayCounter = int(clamp(hash11(float(mod(worldDay, 1000))) * 10.0, 0,10));
|
|
#else
|
|
int dayCounter = int(mod(worldDay, 10));
|
|
#endif
|
|
|
|
|
|
vec4 weatherParameters_A[10] = vec4[](
|
|
vec4( DAY0_l0_coverage, DAY0_l1_coverage, DAY0_l2_coverage, DAY0_ufog_density),
|
|
vec4( DAY1_l0_coverage, DAY1_l1_coverage, DAY1_l2_coverage, DAY1_ufog_density),
|
|
vec4( DAY2_l0_coverage, DAY2_l1_coverage, DAY2_l2_coverage, DAY2_ufog_density),
|
|
vec4( DAY3_l0_coverage, DAY3_l1_coverage, DAY3_l2_coverage, DAY3_ufog_density),
|
|
vec4( DAY4_l0_coverage, DAY4_l1_coverage, DAY4_l2_coverage, DAY4_ufog_density),
|
|
|
|
vec4( DAY5_l0_coverage, DAY5_l1_coverage, DAY5_l2_coverage, DAY5_ufog_density),
|
|
vec4( DAY6_l0_coverage, DAY6_l1_coverage, DAY6_l2_coverage, DAY6_ufog_density),
|
|
vec4( DAY7_l0_coverage, DAY7_l1_coverage, DAY7_l2_coverage, DAY7_ufog_density),
|
|
vec4( DAY8_l0_coverage, DAY8_l1_coverage, DAY8_l2_coverage, DAY8_ufog_density),
|
|
vec4( DAY9_l0_coverage, DAY9_l1_coverage, DAY9_l2_coverage, DAY9_ufog_density)
|
|
);
|
|
|
|
vec4 weatherParameters_B[10] = vec4[](
|
|
vec4(DAY0_l0_density, DAY0_l1_density, DAY0_l2_density, DAY0_cfog_density),
|
|
vec4(DAY1_l0_density, DAY1_l1_density, DAY1_l2_density, DAY1_cfog_density),
|
|
vec4(DAY2_l0_density, DAY2_l1_density, DAY2_l2_density, DAY2_cfog_density),
|
|
vec4(DAY3_l0_density, DAY3_l1_density, DAY3_l2_density, DAY3_cfog_density),
|
|
vec4(DAY4_l0_density, DAY4_l1_density, DAY4_l2_density, DAY4_cfog_density),
|
|
|
|
vec4(DAY5_l0_density, DAY5_l1_density, DAY5_l2_density, DAY5_cfog_density),
|
|
vec4(DAY6_l0_density, DAY6_l1_density, DAY6_l2_density, DAY6_cfog_density),
|
|
vec4(DAY7_l0_density, DAY7_l1_density, DAY7_l2_density, DAY7_cfog_density),
|
|
vec4(DAY8_l0_density, DAY8_l1_density, DAY8_l2_density, DAY8_cfog_density),
|
|
vec4(DAY9_l0_density, DAY9_l1_density, DAY9_l2_density, DAY9_cfog_density)
|
|
);
|
|
|
|
|
|
|
|
CurrentFrame_dailyWeatherParams0 = weatherParameters_A[dayCounter];
|
|
CurrentFrame_dailyWeatherParams1 = weatherParameters_B[dayCounter];
|
|
|
|
vec4 rainyWeatherParameters_A[3] = vec4[](
|
|
// vec4(DAY0_l0_coverage, DAY0_l1_coverage, DAY0_l2_coverage, DAY0_ufog_density),
|
|
vec4(1.3,0.0,0.0,0.0),
|
|
vec4(0.5,0.0,0.0,0.0),
|
|
vec4(0.0,0.0,0.0,0.0)
|
|
);
|
|
vec4 rainyWeatherParameters_B[3] = vec4[](
|
|
// vec4(DAY7_l0_density, DAY7_l1_density, DAY7_l2_density, DAY7_cfog_density),
|
|
vec4(0.1,0.0,0.0,0.0),
|
|
vec4(0.1,0.0,0.0,0.0),
|
|
vec4(0.0,0.0,0.0,0.0)
|
|
);
|
|
|
|
// if(hideGUI == 1){
|
|
// CurrentFrame_dailyWeatherParams0 = rainyWeatherParameters_A[worldDay%2];
|
|
// CurrentFrame_dailyWeatherParams1 = rainyWeatherParameters_B[worldDay%2];
|
|
// } else {
|
|
// CurrentFrame_dailyWeatherParams0 = vec4(0.5,0.0,0.0,0.0);
|
|
// CurrentFrame_dailyWeatherParams1 = vec4(0.1,0.5,0.0,0.0);
|
|
// }
|
|
|
|
#if defined Daily_Weather
|
|
dailyWeatherParams0 = vec4(sqrt(texelFetch2D(colortex4,ivec2(1,1),0).rgb/ 1500.0), 0.0);
|
|
dailyWeatherParams1 = vec4(texelFetch2D(colortex4,ivec2(2,1),0).rgb / 1500.0, 0.0);
|
|
|
|
dailyWeatherParams0.a = texelFetch2D(colortex4,ivec2(3,1),0).x/1500.0;
|
|
dailyWeatherParams1.a = texelFetch2D(colortex4,ivec2(3,1),0).y/1500.0;
|
|
#endif
|
|
|
|
#endif
|
|
|
|
//////////////////////////////
|
|
/// --- EXPOSURE STUFF --- ///
|
|
//////////////////////////////
|
|
|
|
float avgLuma = 0.0;
|
|
float m2 = 0.0;
|
|
int n=100;
|
|
vec2 clampedRes = max(1.0/texelSize,vec2(1920.0,1080.));
|
|
float avgExp = 0.0;
|
|
float avgB = 0.0;
|
|
vec2 resScale = vec2(1920.,1080.)/clampedRes;
|
|
const int maxITexp = 50;
|
|
float w = 0.0;
|
|
for (int i = 0; i < maxITexp; i++){
|
|
vec2 ij = R2_samples((frameCounter%2000)*maxITexp+i);
|
|
vec2 tc = 0.5 + (ij-0.5) * 0.7;
|
|
vec3 sp = texture2D(colortex6, tc/16. * resScale+vec2(0.375*resScale.x+4.5*texelSize.x,.0)).rgb;
|
|
avgExp += log(sqrt(luma(sp)));
|
|
avgB += log(min(dot(sp,vec3(0.07,0.22,0.71)),8e-2));
|
|
}
|
|
|
|
avgExp = exp(avgExp/maxITexp);
|
|
avgB = exp(avgB/maxITexp);
|
|
|
|
avgBrightness = clamp(mix(avgExp,texelFetch2D(colortex4,ivec2(10,37),0).g,0.95),0.00003051757,65000.0);
|
|
|
|
float L = max(avgBrightness,1e-8);
|
|
float keyVal = 1.03-2.0/(log(L*4000/150.*8./3.0+1.0)/log(10.0)+2.0);
|
|
float expFunc = 0.5+0.5*tanh(log(L));
|
|
|
|
// float targetExposure = 1.0/log(L+1.05);
|
|
float targetExposure = (EXPOSURE_DARKENING * 0.35)/log(L+1.0 + EXPOSURE_BRIGHTENING * 0.05);
|
|
// float targetExposure = 0.18/log2(L*2.5+1.045)*0.62; // choc original
|
|
|
|
avgL2 = clamp(mix(avgB,texelFetch2D(colortex4,ivec2(10,37),0).b,0.985),0.00003051757,65000.0);
|
|
float targetrodExposure = max(0.012/log2(avgL2+1.002)-0.1,0.0)*1.2;
|
|
|
|
|
|
exposure = max(targetExposure, 0.0);
|
|
// exposure = mix(0.0, 1.0, min(targetExposure,1.0));
|
|
// exposure = 1;
|
|
|
|
float currCenterDepth = ld(texture2D(depthtex2, vec2(0.5)*RENDER_SCALE).r);
|
|
centerDepth = mix(sqrt(texelFetch2D(colortex4,ivec2(14,37),0).g/65000.0), currCenterDepth, clamp(DoF_Adaptation_Speed*exp(-0.016/frameTime+1.0)/(6.0+currCenterDepth*far),0.0,1.0));
|
|
centerDepth = centerDepth * centerDepth * 65000.0;
|
|
|
|
rodExposure = targetrodExposure;
|
|
|
|
#ifndef AUTO_EXPOSURE
|
|
exposure = Manual_exposure_value;
|
|
rodExposure = clamp(log(Manual_exposure_value*2.0+1.0)-0.1,0.0,2.0);
|
|
#endif
|
|
} |