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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/MeshletBasePass.slang
+10 -8
View File
@@ -29,19 +29,19 @@ void taskMain(
localToClip = mul(pViewParams.projectionMatrix, mul(pViewParams.viewMatrix, instance.transformMatrix));
// Left
viewFrustum.sides[0].n = float3(1, 0, 0);
viewFrustum.sides[0].d = -0.8;
viewFrustum.sides[0].d = 0.7;
// Right
viewFrustum.sides[1].n = float3(-1, 0, 0);
viewFrustum.sides[1].d = 0.8;
viewFrustum.sides[1].d = 0.7;
// Top
viewFrustum.sides[2].n = float3(0, -1, 0);
viewFrustum.sides[2].d = 0.8;
viewFrustum.sides[2].d = 0.7;
// Bottom
viewFrustum.sides[1].n = float3(0, 1, 0);
viewFrustum.sides[1].d = -0.8;
viewFrustum.sides[3].n = float3(0, 1, 0);
viewFrustum.sides[3].d = 0.7;
// Base
viewFrustum.basePlane.n = float3(0, 0, 1);
viewFrustum.basePlane.d = 0;
viewFrustum.basePlane.d = 0.2;
}
GroupMemoryBarrierWithGroupSync();
MeshData mesh = pScene.meshData[groupID];
@@ -51,7 +51,7 @@ void taskMain(
{
uint m = mesh.meshletOffset + i;
MeshletDescription meshlet = pScene.meshletInfos[m];
//if(meshlet.boundingBox.insideFrustum(localToClip, viewFrustum))
if(meshlet.boundingBox.insideFrustum(localToClip, viewFrustum))
{
uint index;
InterlockedAdd(head, 1, index);
@@ -119,7 +119,9 @@ void meshMain(
uint v = min(i, m.vertexCount - 1);
{
uint vertexIndex = pScene.vertexIndices[m.vertexOffset + v];
vertices[v] = pVertexData.getAttributes(md.indicesOffset + vertexIndex).getParameter(inst.transformMatrix);
VertexAttributes attr = pVertexData.getAttributes(md.indicesOffset + vertexIndex);
attr.vertexColor = m.color;
vertices[v] = attr.getParameter(inst.transformMatrix);
}
}
}