public SDX_VertexBuffer(SDX_Display display, VertexLayout layout, int vertexCount)
{
mDisplay = display;
mCount = vertexCount;
mDeclaration = CreateVertexDeclaration(mDisplay.D3D_Device.Device, layout);
Direct3D.VertexFormat mFormats = CreateVertexFormat(layout);
mLayout = layout;
mBuffer = new SlimDX.Direct3D9.VertexBuffer(
mDisplay.D3D_Device.Device,
vertexCount * layout.VertexSize,
SlimDX.Direct3D9.Usage.WriteOnly,
mFormats,
Direct3D.Pool.Managed);
}
private Direct3D.VertexFormat CreateVertexFormat(VertexLayout layout)
{
Direct3D.VertexFormat retval = SlimDX.Direct3D9.VertexFormat.None;
foreach (var element in layout)
{
switch (element.ElementType)
{
case VertexElement.Position:
retval |= SlimDX.Direct3D9.VertexFormat.Position;
break;
case VertexElement.Texture:
retval |= SlimDX.Direct3D9.VertexFormat.Texture0;
break;
case VertexElement.Texture1:
retval |= SlimDX.Direct3D9.VertexFormat.Texture1;
break;
case VertexElement.Texture2:
retval |= SlimDX.Direct3D9.VertexFormat.Texture2;
break;
case VertexElement.Texture3:
retval |= SlimDX.Direct3D9.VertexFormat.Texture3;
break;
case VertexElement.DiffuseColor:
retval |= SlimDX.Direct3D9.VertexFormat.Diffuse;
break;
}
}
return(retval);
}
