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Mess with AO calc

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Molive
2025-11-19 15:56:21 +01:00
parent 58cf0ad068
commit d3e3090cc5
1 changed files with 17 additions and 11 deletions
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src/normals.frag.glsl
+17 -11
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@@ -7,6 +7,8 @@
#define tau 6.28318530717958647692
#define AO_ENABLE 1
layout(location = 0) in vec2 v_pos;
layout(input_attachment_index = 0, set = 2, binding = 0) uniform usubpassInput u_material;
@@ -95,16 +97,18 @@ const uint AO_MAX_ITER = 10;
float getOcclusion(vec3 p, vec3 n) {
float ao = 0.0;
//for (uint i = 1; i < AO_MAX_ITER; i++) {
// hash = pcg4d(hash);
// vec3 point = getPointOnSphere(vec2(floatConstruct(hash.x), floatConstruct(hash.y))) * AO_STEP;
// float dist = dot(point, n);
// if (dist < 0) {
// dist = abs(dist);
// point += n * dist * 2.0;
// }
// ao += max((dist - scene(vec4(p + point, camera_uniforms.campos_and_time.w))) / dist, 0.0);
//}
#if AO_ENABLE
for (uint i = 1; i < AO_MAX_ITER; i++) {
hash = pcg4d(hash);
vec3 point = getPointOnSphere(vec2(floatConstruct(hash.x), floatConstruct(hash.y))) * AO_STEP * i;
float dist = dot(point, n);
if (dist < 0) {
dist = abs(dist);
point += n * dist * 2.0;
}
ao += max((dist - scene(vec4(p + point, camera_uniforms.campos_and_time.w))) / dist, 0.0);
}
#endif
return 1.0 - ao * AO_INTENSITY;
}
@@ -114,7 +118,9 @@ void main() {
discard;
}
//hash = uvec4(v_pos.x * 374799253, v_pos.y * 615653626, camera_uniforms.campos_and_time.w * 626228781, 713668633);
#if AO_ENABLE
hash = uvec4((v_pos.x + 1.0) * 374799253, (v_pos.y + 1.0) * 615653626, camera_uniforms.campos_and_time.w * 626228781, 713668633);
#endif
float depth = subpassLoad(u_depth).x;
if (depth == 1.0) {