mirror of
https://github.com/X0nk/Bliss-Shader.git
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80 lines
2.0 KiB
GLSL
80 lines
2.0 KiB
GLSL
#version 120
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//Render sky, volumetric clouds, direct lighting
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#extension GL_EXT_gpu_shader4 : enable
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#include "lib/settings.glsl"
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uniform vec2 texelSize;
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uniform sampler2D depthtex0;
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uniform sampler2D depthtex1;
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uniform sampler2D colortex3;
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uniform sampler2D colortex13;
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uniform sampler2D colortex4;
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uniform int frameCounter;
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uniform float frameTimeCounter;
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uniform vec3 cameraPosition;
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uniform mat4 gbufferProjectionInverse;
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uniform mat4 gbufferModelViewInverse;
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flat varying vec2 TAA_Offset;
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#define diagonal3(m) vec3((m)[0].x, (m)[1].y, m[2].z)
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#define projMAD(m, v) (diagonal3(m) * (v) + (m)[3].xyz)
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uniform float far;
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uniform float near;
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vec3 toScreenSpace(vec3 p) {
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vec4 iProjDiag = vec4(gbufferProjectionInverse[0].x, gbufferProjectionInverse[1].y, gbufferProjectionInverse[2].zw);
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vec3 p3 = p * 2. - 1.;
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vec4 fragposition = iProjDiag * p3.xyzz + gbufferProjectionInverse[3];
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return fragposition.xyz / fragposition.w;
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}
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vec3 normVec (vec3 vec){
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return vec*inversesqrt(dot(vec,vec));
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}
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uniform int isEyeInWater;
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uniform ivec2 eyeBrightnessSmooth;
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uniform float blindness;
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uniform float darknessFactor;
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#include "lib/sky_gradient.glsl"
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void main() {
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/* DRAWBUFFERS:3 */
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vec2 texcoord = gl_FragCoord.xy*texelSize;
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gl_FragData[0].rgb = texture2D(colortex3, texcoord).rgb;
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///////////////// border fog
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#ifdef BorderFog
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vec2 tempOffset = TAA_Offset;
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float z = texture2D(depthtex0,texcoord).x;
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vec3 fragpos = toScreenSpace(vec3(texcoord -vec2(tempOffset)*texelSize*0.5,z));
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vec3 p3 = mat3(gbufferModelViewInverse) * fragpos;
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vec3 np3 = normVec(p3);
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vec3 worldpos = p3 + (gbufferModelViewInverse[3].xyz+cameraPosition) ;
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vec3 sky = skyFromTex(np3,colortex4) / 150. * 5.;
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float fog = 1.0 - clamp( exp(-pow(length(fragpos / far),10.)*4.0) ,0.0,1.0);
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float lightleakfix = clamp(eyeBrightnessSmooth.y/240.0,0.0,1.0);
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float heightFalloff = clamp( pow(abs(np3.y-1.01),10) ,0,1) ;
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// if(z < 1.0 && isEyeInWater == 0)
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if(z < 1.0 && isEyeInWater == 0) gl_FragData[0].rgb = mix(gl_FragData[0].rgb, sky, fog*lightleakfix*heightFalloff ) ;
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#endif
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} |