internal static void InitDefaultContent()
{
const string VirtualContentPath = ContentProvider.VirtualContentPath + "ShaderProgram:";
const string ContentPath_Minimal = VirtualContentPath + "Minimal";
const string ContentPath_Picking = VirtualContentPath + "Picking";
const string ContentPath_SmoothAnim = VirtualContentPath + "SmoothAnim";
const string ContentPath_SharpMask = VirtualContentPath + "SharpAlpha";
ContentProvider.AddContent(ContentPath_Minimal, new ShaderProgram(VertexShader.Minimal, FragmentShader.Minimal));
ContentProvider.AddContent(ContentPath_Picking, new ShaderProgram(VertexShader.Minimal, FragmentShader.Picking));
ContentProvider.AddContent(ContentPath_SmoothAnim, new ShaderProgram(VertexShader.SmoothAnim, FragmentShader.SmoothAnim));
ContentProvider.AddContent(ContentPath_SharpMask, new ShaderProgram(VertexShader.Minimal, FragmentShader.SharpAlpha));
Minimal = ContentProvider.RequestContent<ShaderProgram>(ContentPath_Minimal);
Picking = ContentProvider.RequestContent<ShaderProgram>(ContentPath_Picking);
SmoothAnim = ContentProvider.RequestContent<ShaderProgram>(ContentPath_SmoothAnim);
SharpAlpha = ContentProvider.RequestContent<ShaderProgram>(ContentPath_SharpMask);
}