mirror of
https://github.com/X0nk/Bliss-Shader.git
synced 2024-12-23 01:59:39 +08:00
57 lines
1.7 KiB
GLSL
57 lines
1.7 KiB
GLSL
#include "/lib/settings.glsl"
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uniform sampler2D colortex4;
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uniform sampler2D colortex12;
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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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#ifdef DISTANT_HORIZONS
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uniform sampler2D dhDepthTex;
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uniform sampler2D dhDepthTex1;
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#endif
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uniform float near;
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uniform float far;
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float linZ(float depth) {
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return (2.0 * near) / (far + near - depth * (far - near));
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}
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uniform float dhFarPlane;
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uniform float dhNearPlane;
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float DH_ld(float dist) {
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return (2.0 * dhNearPlane) / (dhFarPlane + dhNearPlane - dist * (dhFarPlane - dhNearPlane));
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}
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float DH_invLinZ (float lindepth){
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return -((2.0*dhNearPlane/lindepth)-dhFarPlane-dhNearPlane)/(dhFarPlane-dhNearPlane);
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}
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float linearizeDepthFast(const in float depth, const in float near, const in float far) {
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return (near * far) / (depth * (near - far) + far);
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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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void main() {
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/* RENDERTARGETS:4,12 */
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vec3 oldTex = texelFetch2D(colortex4, ivec2(gl_FragCoord.xy), 0).xyz;
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float newTex = texelFetch2D(depthtex1, ivec2(gl_FragCoord.xy*4), 0).x;
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#ifdef DISTANT_HORIZONS
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float QuarterResDepth = texelFetch2D(dhDepthTex, ivec2(gl_FragCoord.xy*4), 0).x;
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if(newTex >= 1.0) newTex = sqrt(QuarterResDepth);
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gl_FragData[1].a = (DH_ld(QuarterResDepth)*DH_ld(QuarterResDepth))*65000.0;
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#endif
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if (newTex < 1.0)
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gl_FragData[0] = vec4(oldTex, linZ(newTex)*linZ(newTex)*65000.0);
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else
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gl_FragData[0] = vec4(oldTex, 2.0);
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} |