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+ | Anti aliasing and some sort of depth of field but need to tweaks

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TheRedShip
2025-01-08 17:07:31 +01:00
parent c414888f9e
commit e31d17489c
4 changed files with 31 additions and 13 deletions
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29
shaders/compute.glsl
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@ -144,10 +144,10 @@ vec3 pathtrace(Ray ray, inout uint rng_state)
GPUMaterial mat = materials[obj.mat_index];
// RR
// float p = max(color.r, max(color.g, color.b));
// if (randomValue(rng_state) > p && i > 1)
// break;
// color /= p;
float p = max(color.r, max(color.g, color.b));
if (randomValue(rng_state) > p)
break;
color /= p;
//
color *= mat.color;
@ -167,19 +167,30 @@ void main()
if (pixel_coords.x >= int(u_resolution.x) || pixel_coords.y >= int(u_resolution.y))
return;
vec2 uv = (vec2(pixel_coords) / u_resolution) * 2.0 - 1.0;;
uint rng_state = uint(u_resolution.x) * uint(pixel_coords.y) + pixel_coords.x;
rng_state = rng_state + u_frameCount * 719393;
vec2 jitter = randomPointInCircle(rng_state);
vec2 uv = ((vec2(pixel_coords) + jitter) / u_resolution) * 2.0 - 1.0;;
uv.x *= u_resolution.x / u_resolution.y;
float fov = 90.0;
float focal_length = 1.0 / tan(radians(fov) / 2.0);
vec3 view_space_ray = normalize(vec3(uv.x, uv.y, -focal_length));
vec3 ray_direction = normalize((inverse(u_viewMatrix) * vec4(view_space_ray, 0.0)).xyz);
Ray ray = Ray(u_cameraPosition, ray_direction);
float focal_distance = 0.0;
float aperture_size = 0.0;
uint rng_state = uint(u_resolution.x) * uint(pixel_coords.y) + pixel_coords.x;
rng_state = rng_state + u_frameCount * 719393;
float theta = randomValue(rng_state) * 2.0 * M_PI;
float radius = sqrt(randomValue(rng_state)) * aperture_size;
vec2 aperture_point = vec2(cos(theta) * radius, sin(theta) * radius);
vec3 ray_origin = u_cameraPosition + vec3(aperture_point, 0.0);
Ray ray = Ray(ray_origin, ray_direction);
vec3 color = pathtrace(ray, rng_state);
float blend = 1.0 / float(u_frameCount + 1);