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View Frustum culling for mesh shading

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Dynamitos
2023-12-15 11:57:13 +01:00
parent 462999858f
commit b24635e848
17 changed files with 71 additions and 40 deletions
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res/shaders/lib/AABB.slang
+10 -10
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@@ -8,18 +8,18 @@ struct AABB
float pad1;
bool insideFrustum(float4x4 transform, Frustum frustum)
{
float3 corners[8];
corners[0] = mul(transform, float4(min.x, min.y, min.z, 1.0f)).xyz;
corners[1] = mul(transform, float4(min.x, min.y, max.z, 1.0f)).xyz;
corners[2] = mul(transform, float4(min.x, max.y, min.z, 1.0f)).xyz;
corners[3] = mul(transform, float4(min.x, max.y, max.z, 1.0f)).xyz;
corners[4] = mul(transform, float4(max.x, min.y, min.z, 1.0f)).xyz;
corners[5] = mul(transform, float4(max.x, min.y, max.z, 1.0f)).xyz;
corners[6] = mul(transform, float4(max.x, max.y, min.z, 1.0f)).xyz;
corners[7] = mul(transform, float4(max.x, max.y, max.z, 1.0f)).xyz;
float4 corners[8];
corners[0] = mul(transform, float4(min.x, min.y, min.z, 1.0f));
corners[1] = mul(transform, float4(min.x, min.y, max.z, 1.0f));
corners[2] = mul(transform, float4(min.x, max.y, min.z, 1.0f));
corners[3] = mul(transform, float4(min.x, max.y, max.z, 1.0f));
corners[4] = mul(transform, float4(max.x, min.y, min.z, 1.0f));
corners[5] = mul(transform, float4(max.x, min.y, max.z, 1.0f));
corners[6] = mul(transform, float4(max.x, max.y, min.z, 1.0f));
corners[7] = mul(transform, float4(max.x, max.y, max.z, 1.0f));
for(int i = 0; i < 8; ++i)
{
if(frustum.pointInside(corners[i]))
if(frustum.pointInside(corners[i].xyz / corners[i].w))
{
return true;
}