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Implemented basic occlusions queries

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Dynamitos
2024-06-11 16:55:20 +02:00
parent 52c4f11d28
commit df7fbef8bd
20 changed files with 221 additions and 156 deletions
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res/shaders/DrawListTask.slang
+2
View File
@@ -26,7 +26,9 @@ void taskMain(
uint cull = p.cullingOffset + i;
MeshletDescription meshlet = pScene.meshletInfos[m];
MeshletCullingInfo culling = pScene.cullingInfos[cull];
#ifdef DEPTH_CULLING
if(culling.anyVisible())
#endif
{
uint index;
InterlockedAdd(head, 1, index);
res/shaders/ViewCullingTask.slang
-49
View File
@@ -1,49 +0,0 @@
import Common;
import Scene;
groupshared MeshPayload p;
groupshared uint head;
groupshared Frustum viewFrustum;
[numthreads(TASK_GROUP_SIZE, 1, 1)]
[shader("amplification")]
void taskMain(
uint threadID: SV_GroupIndex,
uint groupID: SV_GroupID
){
InstanceData instance = pScene.instances[pOffsets.instanceOffset + groupID];
MeshData mesh = pScene.meshData[pOffsets.instanceOffset + groupID];
if(threadID == 0)
{
head = 0;
float3 origin = viewToModel(instance.inverseTransformMatrix, float4(0, 0, 0, 1)).xyz;
const float offset = 0.0f;
float3 corners[4] = {
screenToModel(instance.inverseTransformMatrix, float4(offset, offset, -1.0f, 1.0f)).xyz,
screenToModel(instance.inverseTransformMatrix, float4(pViewParams.screenDimensions.x - offset, offset, -1.0f, 1.0f)).xyz,
screenToModel(instance.inverseTransformMatrix, float4(offset, pViewParams.screenDimensions.y - offset, -1.0f, 1.0f)).xyz,
screenToModel(instance.inverseTransformMatrix, float4(pViewParams.screenDimensions - float2(offset, offset), -1.0f, 1.0f)).xyz
};
viewFrustum.sides[0] = computePlane(origin, corners[2], corners[0]);
viewFrustum.sides[1] = computePlane(origin, corners[1], corners[3]);
viewFrustum.sides[2] = computePlane(origin, corners[0], corners[1]);
viewFrustum.sides[3] = computePlane(origin, corners[3], corners[2]);
p.instanceId = pOffsets.instanceOffset + groupID;
}
GroupMemoryBarrierWithGroupSync();
for(uint i = threadID; i < mesh.numMeshlets; i += TASK_GROUP_SIZE)
{
uint m = mesh.meshletOffset + i;
MeshletDescription meshlet = pScene.meshletInfos[m];
#ifdef VIEW_CULLING
if(meshlet.bounding.insideFrustum(viewFrustum))
#endif
{
uint index;
InterlockedAdd(head, 1, index);
p.culledMeshlets[index] = m;
}
}
GroupMemoryBarrierWithGroupSync();
DispatchMesh(head, 1, 1, p);
}