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d3dx9: Implement ID3DXMesh::DrawSubset.

This commit is contained in:
Dylan Smith 2011-04-27 18:12:20 -04:00 committed by Alexandre Julliard
parent e2d7fdf1f9
commit 417534fdb7
1 changed files with 35 additions and 2 deletions
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37
dlls/d3dx9_36/mesh.c
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@ -113,10 +113,43 @@ static ULONG WINAPI ID3DXMeshImpl_Release(ID3DXMesh *iface)
static HRESULT WINAPI ID3DXMeshImpl_DrawSubset(ID3DXMesh *iface, DWORD attrib_id)
{
ID3DXMeshImpl *This = impl_from_ID3DXMesh(iface);
HRESULT hr;
DWORD face_start;
DWORD face_end = 0;
DWORD vertex_size;
FIXME("(%p)->(%u): stub\n", This, attrib_id);
TRACE("(%p)->(%u)\n", This, attrib_id);
return E_NOTIMPL;
vertex_size = iface->lpVtbl->GetNumBytesPerVertex(iface);
hr = IDirect3DDevice9_SetVertexDeclaration(This->device, This->vertex_declaration);
if (FAILED(hr)) return hr;
hr = IDirect3DDevice9_SetStreamSource(This->device, 0, This->vertex_buffer, 0, vertex_size);
if (FAILED(hr)) return hr;
hr = IDirect3DDevice9_SetIndices(This->device, This->index_buffer);
if (FAILED(hr)) return hr;
while (face_end < This->numfaces)
{
for (face_start = face_end; face_start < This->numfaces; face_start++)
{
if (This->attrib_buffer[face_start] == attrib_id)
break;
}
if (face_start >= This->numfaces)
break;
for (face_end = face_start + 1; face_end < This->numfaces; face_end++)
{
if (This->attrib_buffer[face_end] != attrib_id)
break;
}
hr = IDirect3DDevice9_DrawIndexedPrimitive(This->device, D3DPT_TRIANGLELIST,
0, 0, This->numvertices, face_start * 3, face_end - face_start);
if (FAILED(hr)) return hr;
}
return D3D_OK;
}
static DWORD WINAPI ID3DXMeshImpl_GetNumFaces(ID3DXMesh *iface)