mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2025-06-20 16:07:22 +08:00
272 lines
15 KiB
Plaintext
272 lines
15 KiB
Plaintext
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#version 120
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#extension GL_EXT_gpu_shader4 : enable
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varying vec4 lmtexcoord;
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varying vec4 color;
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varying vec4 normalMat;
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varying vec3 binormal;
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uniform sampler2D normals;
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varying vec3 tangent;
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varying vec4 tangent_other;
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varying vec3 viewVector;
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varying float dist;
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#include "/lib/res_params.glsl"
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#define CLOUDS_SHADOWS
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#define VL_CLOUDS_SHADOWS // Casts shadows from clouds on VL (slow)
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#define SCREENSPACE_REFLECTIONS //can be really expensive at high resolutions/render quality, especially on ice
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#define SSR_STEPS 30 //[10 15 20 25 30 35 40 50 100 200 400]
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#define SUN_MICROFACET_SPECULAR // If enabled will use realistic rough microfacet model, else will just reflect the sun. No performance impact.
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#define USE_QUARTER_RES_DEPTH // Uses a quarter resolution depth buffer to raymarch screen space reflections, improves performance but may introduce artifacts
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#define saturate(x) clamp(x,0.0,1.0)
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#define Dirt_Amount 0.14 //How much dirt there is in water [0.0 0.04 0.08 0.12 0.16 0.2 0.24 0.28 0.32 0.36 0.4 0.44 0.48 0.52 0.56 0.6 0.64 0.68 0.72 0.76 0.8 0.84 0.88 0.92 0.96 1.0 1.04 1.08 1.12 1.16 1.2 1.24 1.28 1.32 1.36 1.4 1.44 1.48 1.52 1.56 1.6 1.64 1.68 1.72 1.76 1.8 1.84 1.88 1.92 1.96 2.0 ]
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#define Dirt_Scatter_R 0.6 //How much dirt diffuses red [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 ]
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#define Dirt_Scatter_G 0.6 //How much dirt diffuses green [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 ]
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#define Dirt_Scatter_B 0.6 //How much dirt diffuses blue [0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.2 0.21 0.22 0.23 0.24 0.25 0.26 0.27 0.28 0.29 0.3 0.31 0.32 0.33 0.34 0.35 0.36 0.37 0.38 0.39 0.4 0.41 0.42 0.43 0.44 0.45 0.46 0.47 0.48 0.49 0.5 0.51 0.52 0.53 0.54 0.55 0.56 0.57 0.58 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 0.69 0.7 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 0.79 0.8 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 ]
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#define Dirt_Absorb_R 1.65 //How much dirt absorbs red [0.0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 0.24 0.26 0.28 0.3 0.32 0.34 0.36 0.38 0.4 0.42 0.44 0.46 0.48 0.5 0.52 0.54 0.56 0.58 0.6 0.62 0.64 0.66 0.68 0.7 0.72 0.74 0.76 0.78 0.8 0.82 0.84 0.86 0.88 0.9 0.92 0.94 0.96 0.98 1.0 1.02 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 1.32 1.34 1.36 1.38 1.4 1.42 1.44 1.46 1.48 1.5 1.52 1.54 1.56 1.58 1.6 1.62 1.64 1.66 1.68 1.7 1.72 1.74 1.76 1.78 1.8 1.82 1.84 1.86 1.88 1.9 1.92 1.94 1.96 1.98 2.0 ]
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#define Dirt_Absorb_G 1.85 //How much dirt absorbs green [0.0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 0.24 0.26 0.28 0.3 0.32 0.34 0.36 0.38 0.4 0.42 0.44 0.46 0.48 0.5 0.52 0.54 0.56 0.58 0.6 0.62 0.64 0.66 0.68 0.7 0.72 0.74 0.76 0.78 0.8 0.82 0.84 0.86 0.88 0.9 0.92 0.94 0.96 0.98 1.0 1.02 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 1.32 1.34 1.36 1.38 1.4 1.42 1.44 1.46 1.48 1.5 1.52 1.54 1.56 1.58 1.6 1.62 1.64 1.66 1.68 1.7 1.72 1.74 1.76 1.78 1.8 1.82 1.84 1.86 1.88 1.9 1.92 1.94 1.96 1.98 2.0 ]
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#define Dirt_Absorb_B 2.05 //How much dirt absorbs blue [0.0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 0.24 0.26 0.28 0.3 0.32 0.34 0.36 0.38 0.4 0.42 0.44 0.46 0.48 0.5 0.52 0.54 0.56 0.58 0.6 0.62 0.64 0.66 0.68 0.7 0.72 0.74 0.76 0.78 0.8 0.82 0.84 0.86 0.88 0.9 0.92 0.94 0.96 0.98 1.0 1.02 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 1.2 1.22 1.24 1.26 1.28 1.3 1.32 1.34 1.36 1.38 1.4 1.42 1.44 1.46 1.48 1.5 1.52 1.54 1.56 1.58 1.6 1.62 1.64 1.66 1.68 1.7 1.72 1.74 1.76 1.78 1.8 1.82 1.84 1.86 1.88 1.9 1.92 1.94 1.96 1.98 2.0 ]
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#define Water_Absorb_R 0.2629 //How much water absorbs red [0.0 0.0025 0.005 0.0075 0.01 0.0125 0.015 0.0175 0.02 0.0225 0.025 0.0275 0.03 0.0325 0.035 0.0375 0.04 0.0425 0.045 0.0475 0.05 0.0525 0.055 0.0575 0.06 0.0625 0.065 0.0675 0.07 0.0725 0.075 0.0775 0.08 0.0825 0.085 0.0875 0.09 0.0925 0.095 0.0975 0.1 0.1025 0.105 0.1075 0.11 0.1125 0.115 0.1175 0.12 0.1225 0.125 0.1275 0.13 0.1325 0.135 0.1375 0.14 0.1425 0.145 0.1475 0.15 0.1525 0.155 0.1575 0.16 0.1625 0.165 0.1675 0.17 0.1725 0.175 0.1775 0.18 0.1825 0.185 0.1875 0.19 0.1925 0.195 0.1975 0.2 0.2025 0.205 0.2075 0.21 0.2125 0.215 0.2175 0.22 0.2225 0.225 0.2275 0.23 0.2325 0.235 0.2375 0.24 0.2425 0.245 0.2475 0.25 ]
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#define Water_Absorb_G 0.0565 //How much water absorbs green [0.0 0.0025 0.005 0.0075 0.01 0.0125 0.015 0.0175 0.02 0.0225 0.025 0.0275 0.03 0.0325 0.035 0.0375 0.04 0.0425 0.045 0.0475 0.05 0.0525 0.055 0.0575 0.06 0.0625 0.065 0.0675 0.07 0.0725 0.075 0.0775 0.08 0.0825 0.085 0.0875 0.09 0.0925 0.095 0.0975 0.1 0.1025 0.105 0.1075 0.11 0.1125 0.115 0.1175 0.12 0.1225 0.125 0.1275 0.13 0.1325 0.135 0.1375 0.14 0.1425 0.145 0.1475 0.15 0.1525 0.155 0.1575 0.16 0.1625 0.165 0.1675 0.17 0.1725 0.175 0.1775 0.18 0.1825 0.185 0.1875 0.19 0.1925 0.195 0.1975 0.2 0.2025 0.205 0.2075 0.21 0.2125 0.215 0.2175 0.22 0.2225 0.225 0.2275 0.23 0.2325 0.235 0.2375 0.24 0.2425 0.245 0.2475 0.25 ]
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#define Water_Absorb_B 0.01011 //How much water absorbs blue [0.0 0.0025 0.005 0.0075 0.01 0.0125 0.015 0.0175 0.02 0.0225 0.025 0.0275 0.03 0.0325 0.035 0.0375 0.04 0.0425 0.045 0.0475 0.05 0.0525 0.055 0.0575 0.06 0.0625 0.065 0.0675 0.07 0.0725 0.075 0.0775 0.08 0.0825 0.085 0.0875 0.09 0.0925 0.095 0.0975 0.1 0.1025 0.105 0.1075 0.11 0.1125 0.115 0.1175 0.12 0.1225 0.125 0.1275 0.13 0.1325 0.135 0.1375 0.14 0.1425 0.145 0.1475 0.15 0.1525 0.155 0.1575 0.16 0.1625 0.165 0.1675 0.17 0.1725 0.175 0.1775 0.18 0.1825 0.185 0.1875 0.19 0.1925 0.195 0.1975 0.2 0.2025 0.205 0.2075 0.21 0.2125 0.215 0.2175 0.22 0.2225 0.225 0.2275 0.23 0.2325 0.235 0.2375 0.24 0.2425 0.245 0.2475 0.25 ]
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uniform sampler2D texture;
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uniform sampler2D noisetex;
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uniform sampler2DShadow shadow;
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uniform sampler2D gaux2;
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uniform sampler2D gaux1;
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uniform sampler2D depthtex1;
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uniform vec4 lightCol;
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uniform vec3 sunVec;
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uniform float frameTimeCounter;
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uniform float lightSign;
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uniform float near;
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uniform float far;
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uniform float moonIntensity;
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uniform float sunIntensity;
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uniform vec3 sunColor;
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uniform vec3 nsunColor;
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uniform vec3 upVec;
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uniform float sunElevation;
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uniform float fogAmount;
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uniform vec2 texelSize;
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uniform float rainStrength;
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uniform float skyIntensityNight;
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uniform float skyIntensity;
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flat varying vec3 WsunVec;
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uniform mat4 gbufferPreviousModelView;
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uniform vec3 previousCameraPosition;
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uniform int framemod8;
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uniform sampler2D specular;
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uniform int frameCounter;
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uniform int isEyeInWater;
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#include "lib/Shadow_Params.glsl"
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#include "lib/color_transforms.glsl"
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#include "lib/projections.glsl"
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#include "lib/sky_gradient.glsl"
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#include "lib/waterBump.glsl"
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#include "lib/clouds.glsl"
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#include "lib/stars.glsl"
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#include "lib/volumetricClouds.glsl"
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const vec2[8] offsets = vec2[8](vec2(1./8.,-3./8.),
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vec2(-1.,3.)/8.,
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vec2(5.0,1.)/8.,
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vec2(-3,-5.)/8.,
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vec2(-5.,5.)/8.,
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vec2(-7.,-1.)/8.,
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vec2(3,7.)/8.,
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vec2(7.,-7.)/8.);
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float blueNoise(){
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return fract(texelFetch2D(noisetex, ivec2(gl_FragCoord.xy)%512, 0).a + 1.0/1.6180339887 * frameCounter);
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}
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float ld(float dist) {
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return (2.0 * near) / (far + near - dist * (far - near));
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}
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float cdist(vec2 coord) {
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return max(abs(coord.s-0.5),abs(coord.t-0.5))*2.0;
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}
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vec2 tapLocation(int sampleNumber,int nb, float nbRot,float jitter,float distort){
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float alpha = (sampleNumber+jitter)/nb;
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float angle = jitter*6.28 + alpha * nbRot * 6.28;
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float sin_v, cos_v;
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sin_v = sin(angle);
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cos_v = cos(angle);
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return vec2(cos_v, sin_v)*sqrt(alpha);
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}
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float GGX(vec3 n, vec3 v, vec3 l, float r, float F0) {
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r*=r;r*=r;
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vec3 h = l + v;
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float hn = inversesqrt(dot(h, h));
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float dotLH = clamp(dot(h,l)*hn,0.,1.);
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float dotNH = clamp(dot(h,n)*hn,0.,1.);
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float dotNL = clamp(dot(n,l),0.,1.);
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float dotNHsq = dotNH*dotNH;
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float denom = dotNHsq * r - dotNHsq + 1.;
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float D = r / (3.141592653589793 * denom * denom);
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float F = F0 + (1. - F0) * exp2((-5.55473*dotLH-6.98316)*dotLH);
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float k2 = .25 * r;
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return dotNL * D * F / (dotLH*dotLH*(1.0-k2)+k2);
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}
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vec3 applyBump(mat3 tbnMatrix, vec3 bump){
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float bumpmult = 1.0;
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bump = bump * vec3(bumpmult, bumpmult, bumpmult) + vec3(0.0f, 0.0f, 1.0f - bumpmult);
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return normalize(bump*tbnMatrix);
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}
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//////////////////////////////VOID MAIN//////////////////////////////
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//////////////////////////////VOID MAIN//////////////////////////////
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//////////////////////////////VOID MAIN//////////////////////////////
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//////////////////////////////VOID MAIN//////////////////////////////
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//////////////////////////////VOID MAIN//////////////////////////////
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/* RENDERTARGETS:2,7,13 */
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void main() {
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if (gl_FragCoord.x * texelSize.x < RENDER_SCALE.x && gl_FragCoord.y * texelSize.y < RENDER_SCALE.y ) {
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vec2 tempOffset=offsets[framemod8];
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float iswater = normalMat.w;
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vec3 fragC = gl_FragCoord.xyz*vec3(texelSize,1.0);
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vec3 fragpos = toScreenSpace(gl_FragCoord.xyz*vec3(texelSize/RENDER_SCALE,1.0)-vec3(vec2(tempOffset)*texelSize*0.5,0.0));
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// color n stuff
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gl_FragData[0] = texture2D(texture, lmtexcoord.xy)*color;
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float avgBlockLum = luma(texture2DLod(texture, lmtexcoord.xy,128).rgb*color.rgb);
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gl_FragData[0].rgb = clamp((gl_FragData[0].rgb)*pow(avgBlockLum,-0.33)*0.85,0.0,1.0);
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vec3 albedo = toLinear(gl_FragData[0].rgb);
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gl_FragData[2] = vec4(albedo, gl_FragData[0].a);
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// specular
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vec2 specularstuff = texture2D(specular, lmtexcoord.xy, -1).rg;
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// normals
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vec3 normal = normalMat.xyz;
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vec3 p3 = mat3(gbufferModelViewInverse) * fragpos + gbufferModelViewInverse[3].xyz;
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mat3 tbnMatrix = mat3(tangent.x, binormal.x, normal.x,
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tangent.y, binormal.y, normal.y,
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tangent.z, binormal.z, normal.z);
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vec3 normalTex = texture2D(normals, lmtexcoord.xy, -1).rgb;
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normalTex.xy = normalTex.xy*2.0-1.0;
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normalTex.z = clamp(sqrt(1.0 - dot(normalTex.xy, normalTex.xy)),0.0,1.0);
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normal = applyBump(tbnMatrix,normalTex);
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//other shit
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float NdotL = lightSign*dot(normal,sunVec);
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float diffuseSun = clamp(NdotL,0.0f,1.0f);
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vec3 direct = texelFetch2D(gaux1,ivec2(6,37),0).rgb/3.1415;
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float shading = 1.0;
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float cloudShadow = 1.0;
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//compute shadows only if not backface
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if (diffuseSun > 0.001) {
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vec3 p3 = mat3(gbufferModelViewInverse) * fragpos + gbufferModelViewInverse[3].xyz;
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vec3 projectedShadowPosition = mat3(shadowModelView) * p3 + shadowModelView[3].xyz;
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projectedShadowPosition = diagonal3(shadowProjection) * projectedShadowPosition + shadowProjection[3].xyz;
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//apply distortion
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float distortFactor = calcDistort(projectedShadowPosition.xy);
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projectedShadowPosition.xy *= distortFactor;
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//do shadows only if on shadow map
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if (abs(projectedShadowPosition.x) < 1.0-1.5/shadowMapResolution && abs(projectedShadowPosition.y) < 1.0-1.5/shadowMapResolution){
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const float threshMul = max(2048.0/shadowMapResolution*shadowDistance/128.0,0.95);
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float distortThresh = (sqrt(1.0-diffuseSun*diffuseSun)/diffuseSun+0.7)/distortFactor;
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float diffthresh = distortThresh/6000.0*threshMul;
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projectedShadowPosition = projectedShadowPosition * vec3(0.5,0.5,0.5/6.0) + vec3(0.5,0.5,0.5);
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shading = 0.0;
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float noise = blueNoise();
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float rdMul = 4.0/shadowMapResolution;
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for(int i = 0; i < 9; i++){
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vec2 offsetS = tapLocation(i,9, 1.618,noise,0.0);
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|
|
float weight = 1.0+(i+noise)*rdMul/9.0*shadowMapResolution;
|
||
|
|
shading += shadow2D(shadow,vec3(projectedShadowPosition + vec3(rdMul*offsetS,-diffthresh*weight))).x/9.0;
|
||
|
|
}
|
||
|
|
direct *= shading;
|
||
|
|
}
|
||
|
|
// vec3 campos = (p3 + cameraPosition)-319 ;
|
||
|
|
// #ifdef VOLUMETRIC_CLOUDS
|
||
|
|
// #ifdef CLOUDS_SHADOWS
|
||
|
|
// // get cloud position
|
||
|
|
// vec3 cloudPos = campos*Cloud_Size + WsunVec/abs(WsunVec.y) * (2250 - campos.y*Cloud_Size);
|
||
|
|
// // get the cloud density and apply it
|
||
|
|
// cloudShadow = getCloudDensity(cloudPos, 1);
|
||
|
|
// cloudShadow = exp(-cloudShadow*sqrt(cloudDensity)*25);
|
||
|
|
|
||
|
|
// // make these turn to zero when occluded by the cloud shadow
|
||
|
|
// direct *= cloudShadow;
|
||
|
|
// #endif
|
||
|
|
// #endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
direct *= (iswater > 0.9 ? 0.2: 1.0)*diffuseSun*lmtexcoord.w;
|
||
|
|
|
||
|
|
vec3 diffuseLight = direct + texture2D(gaux1,(lmtexcoord.zw*15.+0.5)*texelSize).rgb;
|
||
|
|
vec3 color = diffuseLight*albedo*8./150./3.;
|
||
|
|
|
||
|
|
if (iswater >= 0.0){
|
||
|
|
|
||
|
|
float roughness = iswater > 0.4 ? 0.0 : specularstuff.r > 0.0 ? pow(1.0-specularstuff.r,2.0) : 0.05*(1.0-gl_FragData[0].a);
|
||
|
|
float f0 = iswater > 0.4 ? 0.02 : specularstuff.g;
|
||
|
|
|
||
|
|
float F0 = f0;
|
||
|
|
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
fresnel = mix(F0,1.0,fresnel);
|
||
|
|
|
||
|
|
|
||
|
|
vec3 wrefl = mat3(gbufferModelViewInverse)*reflectedVector;
|
||
|
|
vec3 sky_c = mix(skyCloudsFromTex(wrefl,gaux1).rgb,texture2D(gaux1,(lmtexcoord.zw*15.+0.5)*texelSize).rgb*0.5,isEyeInWater);
|
||
|
|
sky_c.rgb *= lmtexcoord.w*lmtexcoord.w*255*255/240./240./150.*8./3.;
|
||
|
|
|
||
|
|
vec4 reflection = vec4(sky_c.rgb,0.);
|
||
|
|
reflection.rgb = mix(sky_c.rgb, reflection.rgb, reflection.a);
|
||
|
|
|
||
|
|
#ifdef SUN_MICROFACET_SPECULAR
|
||
|
|
vec3 sunSpec = GGX(normal,-normalize(fragpos), lightSign*sunVec, rainStrength*0.2+roughness+0.05+clamp(-lightSign*0.15,0.0,1.0), f0) * texelFetch2D(gaux1,ivec2(6,37),0).rgb*8./3./150.0/3.1415 * (1.0-rainStrength*0.9);
|
||
|
|
#else
|
||
|
|
vec3 sunSpec = drawSun(dot(lightSign*sunVec,reflectedVector), 0.0,texelFetch2D(gaux1,ivec2(6,37),0).rgb,vec3(0.0))*8./3./150.0*fresnel/3.1415 * (1.0-rainStrength*0.9);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
// vec3 albedoTint = F0 >= (230.0/255.0) ? clamp(color.rgb + fresnel,0.0,1.0) : vec3(1.0);
|
||
|
|
// reflection.rgb *= albedoTint;
|
||
|
|
// sunSpec.rgb *= albedoTint;
|
||
|
|
|
||
|
|
vec3 reflected = reflection.rgb*fresnel+shading*sunSpec;
|
||
|
|
|
||
|
|
float alpha0 = gl_FragData[0].a;
|
||
|
|
|
||
|
|
//correct alpha channel with fresnel
|
||
|
|
gl_FragData[0].a = -gl_FragData[0].a*fresnel+gl_FragData[0].a+fresnel;
|
||
|
|
gl_FragData[0].rgb =clamp(color/gl_FragData[0].a*alpha0*(1.0-fresnel)*0.1+reflected/gl_FragData[0].a*0.1,0.0,65100.0);
|
||
|
|
if (gl_FragData[0].r > 65000.) gl_FragData[0].rgba = vec4(0.);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
gl_FragData[0].rgb = color*0.1;
|
||
|
|
|
||
|
|
gl_FragData[1] = vec4(albedo,iswater);
|
||
|
|
}
|
||
|
|
}
|