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Adding cached depth renderpass

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Dynamitos
2024-05-30 16:56:22 +02:00
parent 4b6022237b
commit f278afad66
20 changed files with 908 additions and 677 deletions
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res/shaders/DepthCullingTask.slang
+18 -36
View File
@@ -3,47 +3,29 @@ import Scene;
groupshared MeshPayload p;
groupshared uint head;
groupshared Frustum viewFrustum;
[numthreads(TASK_GROUP_SIZE, 1, 1)]
[outputtopology("triangle")]
[shader("amplification")]
void taskMain(
uint threadID: SV_GroupIndex,
uint groupID: SV_GroupID
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;
p.cullingOffset = pScene.cullingOffsets[pOffsets.cullingCounterOffset + groupID];
}
GroupMemoryBarrierWithGroupSync();
for(uint i = threadID; i < mesh.numMeshlets; i += TASK_GROUP_SIZE)
{
uint m = mesh.meshletOffset + i;
MeshletDescription meshlet = pScene.meshletInfos[m];
if(meshlet.bounding.insideFrustum(viewFrustum))
{
uint index;
InterlockedAdd(head, 1, index);
pScene.culledMeshlets[p.cullingOffset + index] = m;
}
}
GroupMemoryBarrierWithGroupSync();
DispatchMesh(head, 1, 1, p);
}
//head = 0;
//GroupMemoryBarrierWithGroupSync();
//for(uint i = threadID; i < mesh.numMeshlets; i += TASK_GROUP_SIZE)
//{
// uint m = mesh.meshletOffset + i;
// MeshletDescription meshlet = pScene.meshletInfos[m];
// MeshletCullingInfo culling = pScene.culledMeshlets[instance.meshletCullingOffset];
// if(culling.anyVisible())
// {
// uint index;
// InterlockedAdd(head, 1, index);
// p.culledMeshlets[index] = m;
// }
//}
//GroupMemoryBarrierWithGroupSync();
//DispatchMesh(head, 1, 1, p);
}
res/shaders/DrawListTask.slang
+34
View File
@@ -0,0 +1,34 @@
import Common;
import Scene;
groupshared MeshPayload p;
groupshared uint head;
[numthreads(TASK_GROUP_SIZE, 1, 1)]
[shader("amplification")]
void taskMain(
uint threadID: SV_GroupIndex,
uint groupID: SV_GroupID, )
{
if (threadID == 0)
{
head = 0;
p.instanceId = pOffsets.instanceOffset + groupID;
}
GroupMemoryBarrierWithGroupSync();
MeshData mesh = pScene.meshData[p.instanceId];
for (uint i = threadID; i < mesh.numMeshlets; i += TASK_GROUP_SIZE)
{
uint m = mesh.meshletOffset + i;
//MeshletDescription meshlet = pScene.meshletInfos[m];
//MeshletCullingInfo culling = pScene.culledMeshlets[pScene.cullingOffsets[p.instanceId] + i];
//if(culling.anyVisible())
{
uint index;
InterlockedAdd(head, 1, index);
p.culledMeshlets[i] = m;
}
}
GroupMemoryBarrierWithGroupSync();
DispatchMesh(mesh.numMeshlets, 1, 1, p);
}
res/shaders/StaticMeshletPass.slang
-51
View File
@@ -1,51 +0,0 @@
import Common;
import BRDF;
import Scene;
import VertexData;
import MaterialParameter;
struct PrimitiveAttributes
{
uint cull: SV_CullPrimitive;
};
struct CulledMeshletList
{
StructuredBuffer<uint> meshletIndices;
};
ParameterBlock<CulledMeshletList> pCullingList;
[numthreads(MESH_GROUP_SIZE, 1, 1)]
[outputtopology("triangle")]
[shader("mesh")]
void meshMain(
in uint threadID: SV_GroupIndex,
in uint groupID: SV_GroupID,
out vertices FragmentParameter vertices[MAX_VERTICES],
out indices uint3 indices[MAX_PRIMITIVES]
){
uint meshletIndex = pCullingList.meshletIndices[groupID];
MeshletDescription m = pScene.meshletInfos[meshletIndex];
SetMeshOutputCounts(m.vertexCount, m.primitiveCount);
for(uint i = threadID; i < MAX_PRIMITIVES; i += MESH_GROUP_SIZE)
{
uint p = min(i, m.primitiveCount - 1);
{
uint local_idx0 = pScene.primitiveIndices[m.primitiveOffset + (p * 3) + 0];
uint local_idx1 = pScene.primitiveIndices[m.primitiveOffset + (p * 3) + 1];
uint local_idx2 = pScene.primitiveIndices[m.primitiveOffset + (p * 3) + 2];
indices[p] = uint3(local_idx0, local_idx1, local_idx2);
}
}
for(uint i = threadID; i < MAX_VERTICES; i+=MESH_GROUP_SIZE)
{
uint v = min(i, m.vertexCount - 1);
{
uint vertexIndex = pScene.vertexIndices[m.vertexOffset + v];
VertexAttributes attr = pVertexData.getAttributes(m.indicesOffset + vertexIndex);
attr.meshletId = meshletIndex;
vertices[v] = attr.getParameter(float4x4(1.0));
}
}
}
res/shaders/ViewCullingTask.slang
-2
View File
@@ -29,7 +29,6 @@ void taskMain(
viewFrustum.sides[2] = computePlane(origin, corners[0], corners[1]);
viewFrustum.sides[3] = computePlane(origin, corners[3], corners[2]);
p.instanceId = pOffsets.instanceOffset + groupID;
//p.cullingOffset = pScene.cullingOffsets[pOffsets.cullingCounterOffset + groupID];
}
GroupMemoryBarrierWithGroupSync();
for(uint i = threadID; i < mesh.numMeshlets; i += TASK_GROUP_SIZE)
@@ -43,7 +42,6 @@ void taskMain(
uint index;
InterlockedAdd(head, 1, index);
p.culledMeshlets[index] = m;
//pScene.culledMeshlets[p.cullingOffset + index] = m;
}
}
GroupMemoryBarrierWithGroupSync();
res/shaders/lib/Scene.slang
+19 -3
View File
@@ -31,9 +31,25 @@ struct InstanceData
float4x4 inverseTransformMatrix;
};
struct MeshletCullingInfo
{
uint64_t cull[MAX_PRIMITIVES / 64];
// lookup if a specific triangle is visible
bool triangleVisible(uint32_t primIndex)
{
uint32_t arrIdx = primIndex / 64;
uint32_t cullIdx = primIndex % 64;
return (cull[arrIdx] & (1 << cullIdx)) != 0;
}
bool anyVisible()
{
return (cull[0] | cull[1] | cull[2] | cull[3]) != 0;
}
};
struct DrawCallOffsets
{
uint32_t instanceOffset;
uint32_t instanceOffset;
};
layout(push_constant)
ConstantBuffer<DrawCallOffsets> pOffsets;
@@ -45,8 +61,8 @@ struct Scene
StructuredBuffer<MeshletDescription> meshletInfos;
StructuredBuffer<uint8_t> primitiveIndices;
StructuredBuffer<uint32_t> vertexIndices;
// StructuredBuffer<uint32_t> cullingOffsets;
// RWStructuredBuffer<uint32_t> culledMeshlets;
StructuredBuffer<MeshletCullingInfo> culledMeshlets;
StructuredBuffer<uint32_t> cullingOffsets;
};
layout(set=2)
ParameterBlock<Scene> pScene;