Function ComputeVertexCount

trinityal/Tr2DrawUPHelper.cpp:12–37

namespace
{
uint32_t ComputeVertexCount( Topology topology, uint32_t primitiveCount )
{
	switch( topology )
	{
	case TOP_TRIANGLES:
		return primitiveCount * 3;

	case TOP_TRIANGLE_STRIP:
		return primitiveCount + 2;

	case TOP_LINES:
		return primitiveCount * 2;

	case TOP_LINE_STRIP:
		return primitiveCount + 1;

	case TOP_POINTS:
	case TOP_TRIANGLE_FAN:
		return primitiveCount;


	default:
		CCP_ASSERT_M( false, "Unsupported topology" );
		return 0;
	}
}

}