Debugging meshlets

res/shaders/MeshletBasePass.slang

@@ -29,10 +29,10 @@ void taskMain(
 		localToView = mul(pViewParams.viewMatrix, instance.transformMatrix);
 		float3 origin = float3(0, 0, 0);
 		float3 corners[4] = {
-			screenToView(float4(100.0f, 100.0f, -1.0f, 1.0f)).xyz,
-			screenToView(float4(pViewParams.screenDimensions.x - 100.0f, 100.0f, -1.0f, 1.0f)).xyz,
-			screenToView(float4(100.0f, pViewParams.screenDimensions.y - 100.0f, -1.0f, 1.0f)).xyz,
-			screenToView(float4(pViewParams.screenDimensions - float2(100.0f, 100.0f), -1.0f, 1.0f)).xyz
+			screenToView(float4(0.0f, 0.0f, -1.0f, 1.0f)).xyz,
+			screenToView(float4(pViewParams.screenDimensions.x, 0.0f, -1.0f, 1.0f)).xyz,
+			screenToView(float4(0.0f, pViewParams.screenDimensions.y, -1.0f, 1.0f)).xyz,
+			screenToView(float4(pViewParams.screenDimensions, -1.0f, 1.0f)).xyz
 		};
 		viewFrustum.sides[0] = computePlane(origin, corners[2], corners[0]);
 		viewFrustum.sides[1] = computePlane(origin, corners[1], corners[3]);
@@ -90,8 +90,6 @@ void meshMain(
 			indices[p] = uint3(local_idx0, local_idx1, local_idx2);
 		}
 	}
-	
-	GroupMemoryBarrierWithGroupSync();
 	for(uint i = threadID; i < MAX_VERTICES; i+=MESH_GROUP_SIZE)
 	{
 		uint v = min(i, m.vertexCount - 1);

res/shaders/lib/Scene.slang

@@ -2,7 +2,7 @@ import Bounding;
 
 struct MeshletDescription
 {
-	AABB bounding;
+	BoundingSphere bounding;
 	uint32_t vertexCount;
 	uint32_t primitiveCount;
 	uint32_t vertexOffset;
@@ -13,7 +13,7 @@ struct MeshletDescription
 
 struct MeshData
 {
-	AABB bounding;
+	BoundingSphere bounding;
     uint32_t numMeshlets;
     uint32_t meshletOffset;
     uint32_t firstIndex;

src/Engine/Graphics/VertexData.cpp

@@ -164,7 +164,7 @@ void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet>
             primitiveIndices.resize(primitiveOffset + (m.numPrimitives * 3));
             std::memcpy(primitiveIndices.data() + primitiveOffset, m.primitiveLayout, m.numPrimitives * 3 * sizeof(uint8));
             meshlets.add(MeshletDescription{
-                .bounding = m.boundingBox,//.toSphere(),
+                .bounding = m.boundingBox.toSphere(),
                 .vertexCount = m.numVertices,
                 .primitiveCount = m.numPrimitives,
                 .vertexOffset = vertexOffset,
@@ -173,7 +173,7 @@ void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet>
                 });
         }
         meshData[id].add(MeshData{
-            .bounding = meshAABB,//.toSphere(),
+            .bounding = meshAABB.toSphere(),
             .numMeshlets = numMeshlets,
             .meshletOffset = meshletOffset,
             .indicesOffset = (uint32)meshOffsets[id],

src/Engine/Graphics/VertexData.h

@@ -32,7 +32,7 @@ public:
     };
     struct MeshData
     {
-        AABB bounding;
+        BoundingSphere bounding;
         uint32 numMeshlets = 0;
         uint32 meshletOffset = 0;
         uint32 firstIndex = 0;
@@ -85,7 +85,7 @@ protected:
     VertexData();
     struct MeshletDescription
     {
-        AABB bounding;
+        BoundingSphere bounding;
         uint32_t vertexCount;
         uint32_t primitiveCount;
         uint32_t vertexOffset;