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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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2
scenes/portalrotation.rt
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@ -1,6 +1,6 @@
MAT 255 255 255 2.0 0.0 0.0 //light
MAT 255 255 255 4.0 0.0 0.0 //light
MAT 255 255 255 0.0 0.0 0.0 //white
MAT 255 100 100 0.0 0.0 0.0 //red

6
scenes/roughness.rt
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@ -1,9 +1,9 @@
CAM 0 1 2
MAT 255 255 255 7.5 0.0 0.0 // white light 0
MAT 255 255 255 5.0 0.0 0.0 // white light 0
MAT 255 10 10 0.0 0.0 0.0 // red 1
MAT 10 10 10 0.0 0.0 0.0 // gray 2
MAT 30 30 30 0.0 0.0 0.0 // gray 2
MAT 10 255 10 0.0 0.0 0.0 // green 3
MAT 255 255 255 0.0 0.0 0.0 // white 4
MAT 50 50 255 0.0 0.0 0.0 // white 5
@ -40,5 +40,5 @@ sp 2.4 1.5 -1 1.5 14
// light quad
qu -1 2.9 -1 2 0 0 0 0 2 0
qu -1 2.999 -1 2 0 0 0 0 2 0

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);

7
shaders/random.glsl
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@ -23,6 +23,13 @@ vec3 randomDirection(inout uint rng_state)
return normalize(vec3(x, y, z));
}
vec2 randomPointInCircle(inout uint rng_state)
{
float angle = randomValue(rng_state) * 2 * M_PI;
vec2 point_in_circle = vec2(cos(angle), sin(angle));
return (point_in_circle * sqrt(randomValue(rng_state)));
}
vec3 randomHemisphereDirection(vec3 normal, inout uint rng_state)
{
vec3 direction = randomDirection(rng_state);