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Voxel refract and shadows for sun lamp

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This commit is contained in:
Lubos Lenco 2017-10-22 23:07:20 +02:00
parent 219e1e8ede
commit 27a79cb290
1 changed files with 27 additions and 3 deletions
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30
Shaders/deferred_light_quad/deferred_light_quad.frag.glsl
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@ -7,6 +7,9 @@ precision mediump float;
#include "../compiled.glsl"
#include "../std/brdf.glsl"
#include "../std/math.glsl"
#ifdef _VoxelGIDirect
#include "../std/conetrace.glsl"
#endif
#ifndef _NoShadows
#ifdef _PCSS
#include "../std/shadows_pcss.glsl"
@ -22,6 +25,10 @@ precision mediump float;
#endif
#include "../std/gbuffer.glsl"
#ifdef _VoxelGIDirect
//!uniform sampler3D voxels;
#endif
uniform sampler2D gbufferD;
uniform sampler2D gbuffer0;
uniform sampler2D gbuffer1;
@ -100,14 +107,22 @@ void main() {
}
#endif
float dotNL = dot(n, l);
#ifdef _VoxelGIShadow // #else
#ifdef _VoxelGICam
vec3 voxpos = (p - eyeSnap) / voxelgiHalfExtents;
#else
vec3 voxpos = p / voxelgiHalfExtents;
#endif
if (dotNL > 0.0) visibility = max(0, 1.0 - traceShadow(voxpos, l, 0.1, 10.0));
#endif
// Per-light
// vec3 l = lightDir; // lightType == 0 // Sun
vec3 h = normalize(v + l);
float dotNH = dot(n, h);
float dotVH = dot(v, h);
float dotNL = dot(n, l);
// float dotLV = dot(l, v);
// float dotLH = dot(l, h);
#ifdef _OrenNayar
float facdif = min((1.0 - metrough.x) * 3.0, 1.0);
@ -153,4 +168,13 @@ void main() {
#endif
fragColor.rgb *= visibility;
#ifdef _VoxelGIRefract
#ifdef _VoxelGICam
vec3 voxposr = (p - eyeSnap) / voxelgiHalfExtents;
#else
vec3 voxposr = p / voxelgiHalfExtents;
#endif
fragColor.rgb = mix(traceRefraction(voxposr, n, -v, metrough.y), fragColor.rgb, g1.a);
#endif
}