Netcode Bootstrap

2026-05-31 14:27:52 -07:00
parent 99d8d2d2a9
commit 7fa77ce821
1813 changed files with 2921554 additions and 84 deletions
@@ -0,0 +1,41 @@
+#ifndef MAKE_SKIN_MATRICES_HLSL_
+#define MAKE_SKIN_MATRICES_HLSL_
+
+/////////////////////////////////////////////////////////////////////////////////
+
+RWByteAddressBuffer outSkinMatrices;
+StructuredBuffer<BoneTransform> rigSpaceBoneTransformsBuf;
+StructuredBuffer<SkinnedMeshWorkload> skinMatrixWorkloadBuf;
+ByteAddressBuffer skinnedMeshBoneData;
+uint totalSkinnedMeshes;
+
+/////////////////////////////////////////////////////////////////////////////////
+
+[numthreads(128, 1, 1)]
+void ComputeSkinMatrices(uint tid: SV_DispatchThreadID)
+{
+    if (tid >= totalSkinnedMeshes)
+        return;
+
+    CHECK_STRUCTURED_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_COMPUTE_SKIN_MATRICES_SKIN_MATRIX_WORKLOAD_READ, tid, skinMatrixWorkloadBuf);
+    SkinnedMeshWorkload smw = skinMatrixWorkloadBuf[tid];
+    float4x4 w2l = smw.skinnedRootBoneToEntityTransform;
+
+    for (int i = 0; i < smw.skinMatricesCount; ++i)
+    {
+        SkinnedMeshBone smb = SkinnedMeshBone::ReadFromRawBuffer(skinnedMeshBoneData, smw.boneRemapTableIndex + i);
+
+        int boneTransformIndex = smb.boneRemapIndex + smw.animatedBoneIndexOffset;
+        CHECK_STRUCTURED_BUFFER_OUT_OF_BOUNDS(RUKHANKADEBUGMARKERS_GPUANIMATOR_COMPUTE_SKIN_MATRICES_RIG_SPACE_BONE_TRANSFORMS_READ, boneTransformIndex, rigSpaceBoneTransformsBuf);
+        BoneTransform bt = rigSpaceBoneTransformsBuf[boneTransformIndex];
+
+        float4x4 skinMatrix = bt.ToFloat4x4();
+        skinMatrix = mul(w2l, skinMatrix);
+        float4x4 outSkinMatrix = mul(skinMatrix, smb.bindPose);
+
+        int skinMatrixOutIndex = smw.skinMatrixBaseOutIndex + i;
+        SkinMatrix::WriteToRawBuffer(outSkinMatrices, (float3x4)outSkinMatrix, skinMatrixOutIndex);
+    }
+}
+
+#endif //MAKE_SKIN_MATRICES_HLSL_