/// <summary>
/// Creates the indexed draw call gl.
/// </summary>
/// <param name="primitiveType">Type of the primitive.</param>
/// <param name="drawElementsType">Type of the draw elements.</param>
/// <param name="idCount">The identifier count.</param>
/// <param name="instanceCount">The instance count.</param>
/// <param name="vao">The vao.</param>
/// <returns></returns>
public static Action CreateIndexedDrawCallGL(PrimitiveType primitiveType, DrawElementsType drawElementsType, int idCount, int instanceCount, VAO vao)
{
if (vao is null)
{
void Draw()
{
GL.DrawElementsInstanced(primitiveType, idCount, drawElementsType, (IntPtr)0, instanceCount);
}
return(Draw);
}
else
{
void Draw()
{
vao.Activate();
GL.DrawElementsInstanced(primitiveType, idCount, drawElementsType, (IntPtr)0, instanceCount);
vao.Deactivate();
}
return(Draw);
}
}
/// <summary>
/// Creates the draw call gl.
/// </summary>
/// <param name="primitiveType">Type of the primitive.</param>
/// <param name="elementCount">The element count.</param>
/// <param name="instanceCount">The instance count.</param>
/// <param name="vao">The vao.</param>
/// <returns></returns>
public static Action CreateDrawCallGL(PrimitiveType primitiveType, int elementCount, int instanceCount, VAO vao)
{
if (vao is null)
{
void Draw()
{
GL.DrawArraysInstanced(primitiveType, 0, elementCount, instanceCount);
}
return(Draw);
}
else
{
void Draw()
{
vao.Activate();
GL.DrawArraysInstanced(primitiveType, 0, elementCount, instanceCount);
vao.Deactivate();
}
return(Draw);
}
}