public unsafe void CheckVertexLayout()
{
SkinnedMeshVertex smv;
SkinnedMeshVertex *smvPtr = &smv;
{
Debug.Assert((long)&(smvPtr->BoneWeight) - (long)smvPtr == 0);
Debug.Assert((long)&(smvPtr->BoneIndex) - (long)smvPtr == 16);
}
}
public static unsafe MeshBGFX CreateStaticSkinnedMeshFromBlobAsset(RendererBGFXInstance *inst,
LitMeshRenderData meshData, SkinnedMeshRenderData skinnedData)
{
ushort * indices = (ushort *)meshData.Mesh.Value.Indices.GetUnsafePtr();
int nindices = meshData.Mesh.Value.Indices.Length;
LitVertex * vertices = (LitVertex *)meshData.Mesh.Value.Vertices.GetUnsafePtr();
int nvertices = meshData.Mesh.Value.Vertices.Length;
SkinnedMeshVertex *skinningdata = (SkinnedMeshVertex *)skinnedData.SkinnedMeshDataRef.Value.Vertices.GetUnsafePtr();
return(CreateStaticMesh(inst, indices, nindices, vertices, nvertices, skinningdata));
}
public static unsafe MeshBGFX CreateStaticMesh(RendererBGFXInstance *inst, ushort *indices, int nindices, LitVertex *vertices, int nvertices, SkinnedMeshVertex *skinningdata = null)
{
Assert.IsTrue(nindices > 0 && nvertices > 0 && nvertices <= ushort.MaxValue);
bool hasSkinningData = skinningdata != null;
#if ENABLE_DOTSRUNTIME_PROFILER
ProfilerStats.AccumStats.memMeshCount.Accumulate(1);
long bytes = nvertices * sizeof(LitVertex) + nindices * sizeof(ushort);
if (hasSkinningData)
{
bytes += nvertices * sizeof(SkinnedMeshVertex);
}
ProfilerStats.AccumStats.memMesh.Accumulate(bytes);
ProfilerStats.AccumStats.memReservedGFX.Accumulate(bytes);
ProfilerStats.AccumStats.memUsedGFX.Accumulate(bytes);
#endif
if (hasSkinningData)
{
int litVertexSize = sizeof(LitVertex);
int skinningVertexSize = sizeof(SkinnedMeshVertex);
int totalVertexSize = litVertexSize + skinningVertexSize;
byte *tmpBlock = (byte *)UnsafeUtility.Malloc(totalVertexSize * nvertices, 4, Allocator.Temp);
UnsafeUtility.MemCpyStride(tmpBlock, totalVertexSize, vertices, litVertexSize, litVertexSize, nvertices);
UnsafeUtility.MemCpyStride(tmpBlock + litVertexSize, totalVertexSize, skinningdata, skinningVertexSize, skinningVertexSize, nvertices);
bgfx.Memory *bgfxMemory = RendererBGFXStatic.CreateMemoryBlock((byte *)tmpBlock, nvertices * totalVertexSize);
UnsafeUtility.Free(tmpBlock, Allocator.Temp);
return(new MeshBGFX
{
indexBufferHandle = bgfx.create_index_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)indices, nindices * 2), (ushort)bgfx.BufferFlags.None).idx,
vertexBufferHandle = bgfx.create_vertex_buffer(bgfxMemory, &inst->m_litSkinnedVertexBufferDecl, (ushort)bgfx.BufferFlags.None).idx,
indexCount = nindices,
vertexCount = nvertices,
maxIndexCount = nindices,
maxVertexCount = nvertices,
vertexLayoutHandle = inst->m_litSkinnedVertexBufferDeclHandle,
isDynamic = false,
vertexSize = totalVertexSize,
});
}
else
{
return(new MeshBGFX
{
indexCount = nindices,
vertexCount = nvertices,
maxIndexCount = nindices,
maxVertexCount = nvertices,
indexBufferHandle =
bgfx.create_index_buffer(RendererBGFXStatic.CreateMemoryBlock((byte *)indices, nindices * 2),
(ushort)bgfx.BufferFlags.None).idx,
vertexLayoutHandle = inst->m_litVertexBufferDeclHandle,
vertexBufferHandle =
bgfx.create_vertex_buffer(
RendererBGFXStatic.CreateMemoryBlock((byte *)vertices, nvertices * sizeof(LitVertex)),
&inst->m_litVertexBufferDecl, (ushort)bgfx.BufferFlags.None).idx,
isDynamic = false,
vertexSize = sizeof(LitVertex),
});
}
}
