public CGeometryShader(ICDevice device, CShaderReflection reflection)
: base(device, reflection)
{
maxVertexCount = Reflection.GetMaxVertexCount();
inputPrimitiveType = Reflection.GetGeometryInputPrimitiveType();
outputPrimitiveType = Reflection.GetGeometryOutputPrimitiveType();
}
public static string GeometryShaderInputPrimitiveTypeToString(GeometryShaderInputPrimitiveType type)
{
switch (type)
{
case GeometryShaderInputPrimitiveType.Point: return "points";
case GeometryShaderInputPrimitiveType.Line: return "lines";
case GeometryShaderInputPrimitiveType.Triangle: return "triangles";
case GeometryShaderInputPrimitiveType.LineWithAdjacency: return "lines_adjacency";
case GeometryShaderInputPrimitiveType.TriangleWithAdjacency: return "triangles_adjacency";
default: throw new ArgumentOutOfRangeException("type");
}
}
static int GetInputVertexCount(GeometryShaderInputPrimitiveType primitiveType)
{
switch (primitiveType)
{
case GeometryShaderInputPrimitiveType.Point: return 1;
case GeometryShaderInputPrimitiveType.Line: return 2;
case GeometryShaderInputPrimitiveType.Triangle: return 3;
case GeometryShaderInputPrimitiveType.LineWithAdjacency: return 4;
case GeometryShaderInputPrimitiveType.TriangleWithAdjacency: return 6;
default: throw new ArgumentOutOfRangeException("primitiveType");
}
}
