public ShaderProgram(string fProg, string vProg)
{
_fProg = fProg;
_vProg = vProg;
CacheLoc = new Dictionary <string, int>();
Uniforms = new UniformCollection();
PgmId = GL.CreateProgram();
Init();
}
protected virtual void SetupUniforms(UniformCollection uniforms)
{
foreach (var uniform in uniforms)
{
var loc = GetCachedUniformLoc(uniform.Name);
var val = uniform.GetValue();
var type = uniform.UniformType;
if (type == typeof(float))
{
GL.Uniform1(loc, (float)val);
}
else if (type == typeof(double))
{
GL.Uniform1(loc, (double)val);
}
else if (type == typeof(int))
{
GL.Uniform1(loc, (int)val);
}
else if (type == typeof(uint))
{
GL.Uniform1(loc, (uint)val);
}
else if (type == typeof(Vector2))
{
var vec2 = (Vector2)val;
GL.Uniform2(loc, vec2.X, vec2.Y);
}
else if (type == typeof(Vector3))
{
var vec3 = (Vector3)val;
GL.Uniform3(loc, vec3.X, vec3.Y, vec3.Z);
}
else if (type == typeof(Matrix4))
{
var mat4 = (Matrix4)val;
GL.UniformMatrix4(loc, false, ref mat4);
}
else
{
throw new ArgumentException($"Unsupported uniform type: {type} (\"{uniform.Name}\")");
}
}
}
public void Use(UniformCollection uniforms)
{
Use();
SetupUniforms(uniforms);
}
