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+ | Bvh and portals

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TheRedShip
2025-01-19 01:10:01 +01:00
parent 08c0ce1d83
commit c5783a15f0
3 changed files with 28 additions and 18 deletions
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35
shaders/trace.glsl
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@ -31,8 +31,8 @@ hitInfo traceScene(Ray ray)
{
hitInfo hit;
for (int p = 0; p < 25; p++) //portals
{
// for (int p = 0; p < 25; p++) //portals
// {
hit.t = 1e30;
hit.obj_index = -1;
@ -51,16 +51,17 @@ hitInfo traceScene(Ray ray)
hit.normal = temp_hit.normal;
}
}
if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
break ;
ray = portalRay(ray, hit);
}
// if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
// break ;
// ray = portalRay(ray, hit);
// }
return (hit);
}
hitInfo traceBVH(Ray ray)
{
hitInfo temp_hit;
hitInfo hit;
hit.t = 1e30;
@ -76,14 +77,12 @@ hitInfo traceBVH(Ray ray)
GPUBvh node = bvh[current_index];
hitInfo temp_hit;
if (node.is_leaf != 0)
{
for (int i = 0; i < node.primitive_count; i++)
{
GPUTriangle obj = triangles[node.first_primitive + i];
hitInfo temp_hit;
if (intersectTriangle(ray, obj, temp_hit) && temp_hit.t < hit.t)
{
hit.t = temp_hit.t;
@ -127,10 +126,20 @@ hitInfo traceBVH(Ray ray)
hitInfo traceRay(Ray ray)
{
hitInfo hitBVH = traceBVH(ray);
hitInfo hitScene = traceScene(ray);
hitInfo hitBVH;
hitInfo hitScene;
hitInfo hit;
if (hitBVH.t < hitScene.t)
return (hitBVH);
return (hitScene);
for (int i = 0; i < 10; i++) // portal ray
{
hitBVH = traceBVH(ray);
hitScene = traceScene(ray);
hit = hitBVH.t < hitScene.t ? hitBVH : hitScene;
if (hit.obj_index == -1 || objects[hit.obj_index].type != 5)
break ;
ray = portalRay(ray, hit);
}
return (hit);
}