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add DISTANT HORIZONS SHADER PROGRAMS, and then make them work.

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Xonk
2024-02-05 16:04:37 -05:00
parent 4b7ef65541
commit 1b15799911
51 changed files with 1912 additions and 351 deletions
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62
shaders/dimensions/deferred1.fsh
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@ -1,8 +1,14 @@
#include "/lib/settings.glsl"
uniform sampler2D colortex4;
uniform sampler2D colortex12;
uniform vec2 texelSize;
uniform sampler2D depthtex0;
uniform sampler2D depthtex1;
uniform sampler2D depthtex2;
uniform sampler2D dhDepthTex;
uniform sampler2D dhDepthTex1;
uniform float near;
uniform float far;
@ -11,6 +17,18 @@ float linZ(float depth) {
return (2.0 * near) / (far + near - depth * (far - near));
}
uniform float dhFarPlane;
uniform float dhNearPlane;
float DH_ld(float dist) {
return (2.0 * dhNearPlane) / (dhFarPlane + dhNearPlane - dist * (dhFarPlane - dhNearPlane));
}
float DH_invLinZ (float lindepth){
return -((2.0*dhNearPlane/lindepth)-dhFarPlane-dhNearPlane)/(dhFarPlane-dhNearPlane);
}
float linearizeDepthFast(const in float depth, const in float near, const in float far) {
return (near * far) / (depth * (near - far) + far);
}
//////////////////////////////VOID MAIN//////////////////////////////
//////////////////////////////VOID MAIN//////////////////////////////
//////////////////////////////VOID MAIN//////////////////////////////
@ -18,12 +36,44 @@ float linZ(float depth) {
//////////////////////////////VOID MAIN//////////////////////////////
void main() {
/* DRAWBUFFERS:4 */
/* RENDERTARGETS:4,12 */
vec3 oldTex = texelFetch2D(colortex4, ivec2(gl_FragCoord.xy), 0).xyz;
float newTex = texelFetch2D(depthtex1, ivec2(gl_FragCoord.xy*4), 0).x;
if (newTex < 1.0)
#ifdef DISTANT_HORIZONS
float QuarterResDepth = texelFetch2D(dhDepthTex, ivec2(gl_FragCoord.xy*4), 0).x;
if(newTex >= 1.0) newTex = QuarterResDepth;
#endif
if (newTex < 1.0)
gl_FragData[0] = vec4(oldTex, linZ(newTex)*linZ(newTex)*65000.0);
else
else
gl_FragData[0] = vec4(oldTex, 2.0);
}
float depth = texelFetch2D(depthtex1, ivec2(gl_FragCoord.xy*4), 0).x;
#ifdef DISTANT_HORIZONS
float _near = near;
float _far = far*4.0;
if (depth >= 1.0) {
depth = texelFetch2D(dhDepthTex1, ivec2(gl_FragCoord.xy*4), 0).x;
_near = dhNearPlane;
_far = dhFarPlane;
}
depth = linearizeDepthFast(depth, _near, _far);
depth = depth / dhFarPlane;
#endif
if(depth < 1.0)
gl_FragData[1] = vec4(vec3(0.0), depth * depth * 65000.0);
else
gl_FragData[1] = vec4(vec3(0.0), 65000.0);
#ifdef DISTANT_HORIZONS
gl_FragData[1].a = DH_ld(QuarterResDepth)*DH_ld(QuarterResDepth)*65000.0;
#endif
}