mirror of
https://github.com/Merlin1809/Eclipse-Shader.git
synced 2026-10-10 04:53:07 +08:00
Merlin1809
79 lines
2.6 KiB
GLSL
79 lines
2.6 KiB
GLSL
#include "/lib/settings.glsl"
|
|
|
|
uniform sampler2D colortex4;
|
|
uniform sampler2D colortex1;
|
|
uniform sampler2D colortex12;
|
|
|
|
uniform vec2 texelSize;
|
|
uniform sampler2D depthtex0;
|
|
uniform sampler2D depthtex1;
|
|
|
|
#ifdef DISTANT_HORIZONS
|
|
uniform sampler2D dhDepthTex;
|
|
uniform sampler2D dhDepthTex1;
|
|
#define dhVoxyDepthTex dhDepthTex
|
|
#define dhVoxyDepthTex1 dhDepthTex1
|
|
#endif
|
|
|
|
#ifdef VOXY
|
|
uniform sampler2D vxDepthTexOpaque;
|
|
uniform sampler2D vxDepthTexTrans;
|
|
#define dhVoxyDepthTex vxDepthTexTrans
|
|
#define dhVoxyDepthTex1 vxDepthTexOpaque
|
|
#endif
|
|
uniform float near;
|
|
uniform float far;
|
|
uniform float dhVoxyFarPlane;
|
|
uniform float dhVoxyNearPlane;
|
|
|
|
float linZ(float depth) {
|
|
return (2.0 * near) / (far + near - depth * (far - near));
|
|
}
|
|
float DH_linZ(float dist) {
|
|
return (2.0 * dhVoxyNearPlane) / (dhVoxyFarPlane + dhVoxyNearPlane - dist * (dhVoxyFarPlane - dhVoxyNearPlane));
|
|
}
|
|
float DH_invLinZ (float lindepth){
|
|
return -((2.0*dhVoxyNearPlane/lindepth)-dhVoxyFarPlane-dhVoxyNearPlane)/(dhVoxyFarPlane-dhVoxyNearPlane);
|
|
}
|
|
|
|
float linearizeDepthFast(const in float depth, const in float near, const in float far) {
|
|
return (near * far) / (depth * (near - far) + far);
|
|
}
|
|
|
|
void convertHandDepth(inout float depth) {
|
|
float ndcDepth = depth * 2.0 - 1.0;
|
|
ndcDepth /= MC_HAND_DEPTH;
|
|
depth = ndcDepth * 0.5 + 0.5;
|
|
}
|
|
vec2 decodeVec2(float a){
|
|
const vec2 constant1 = 65535. / vec2( 256., 65536.);
|
|
const float constant2 = 256. / 255.;
|
|
return fract( a * constant1 ) * constant2 ;
|
|
}
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
//////////////////////////////VOID MAIN//////////////////////////////
|
|
|
|
void main() {
|
|
/* RENDERTARGETS:4 */
|
|
vec3 oldTex = texelFetch(colortex4, ivec2(gl_FragCoord.xy), 0).xyz;
|
|
float newTex = texelFetch(depthtex1, ivec2(gl_FragCoord.xy*4), 0).x;
|
|
|
|
float dataUnpacked = decodeVec2(texelFetch(colortex1,ivec2(gl_FragCoord.xy*4),0).w).y;
|
|
bool hand = abs(dataUnpacked-0.75) < 0.01;
|
|
|
|
if(hand) convertHandDepth(newTex);
|
|
|
|
// #if defined DISTANT_HORIZONS || defined VOXY
|
|
// float QuarterResDepth = texelFetch(dhVoxyDepthTex, ivec2(gl_FragCoord.xy*4), 0).x;
|
|
// QuarterResDepth = DH_linZ(QuarterResDepth);
|
|
// gl_FragData[1].a = QuarterResDepth*QuarterResDepth*65000.0;
|
|
// if(QuarterResDepth >= 1.0) gl_FragData[1].a = 66000.0;
|
|
// #endif
|
|
|
|
newTex = linZ(newTex);
|
|
gl_FragData[0] = vec4(oldTex, newTex*newTex*65000.0);
|
|
if(newTex >= 1.0) gl_FragData[0].a = 66000.0;
|
|
} |