//
//  GLProgramUniform.cpp
//  OpenSpades
//
//  Created by yvt on 7/13/13.
//  Copyright (c) 2013 yvt.jp. All rights reserved.
//

#include "GLProgramUniform.h"
#include "../Core/Exception.h"
#include <stdio.h>
#include "../Core/Debug.h"

namespace spades {
	namespace draw {
		GLProgramUniform::GLProgramUniform(const std::string& n):
		name(n){
			last = NULL;
		}
		
		void GLProgramUniform::SetProgram(spades::draw::GLProgram *p){
			SPADES_MARK_FUNCTION_DEBUG();
			
			if(p == NULL) {
				SPInvalidArgument("prog");
			}
			if(last != p){
				last = p;
				last->Use();
				loc = p->GetDevice()->GetUniformLocation
				(p->GetHandle(), name.c_str())
				 ;
				if(loc == -1){
					fprintf(stderr,"WARNING: uniform '%s' not found\n",
							name.c_str());
				}
			}
		}
		
		void GLProgramUniform::SetValue(IGLDevice::Float v){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, v);
		}
		void GLProgramUniform::SetValue(IGLDevice::Float x,
										IGLDevice::Float y){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y);
		}
		void GLProgramUniform::SetValue(IGLDevice::Float x,
										IGLDevice::Float y,
										IGLDevice::Float z){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y, z);
		}
		void GLProgramUniform::SetValue(IGLDevice::Float x,
										IGLDevice::Float y,
										IGLDevice::Float z,
										IGLDevice::Float w){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y, z, w);
		}
		
		void GLProgramUniform::SetValue(IGLDevice::Integer x){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x);
		}
		void GLProgramUniform::SetValue(IGLDevice::Integer x,
										IGLDevice::Integer y){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y);
		}
		void GLProgramUniform::SetValue(IGLDevice::Integer x,
										IGLDevice::Integer y,
										IGLDevice::Integer z){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y, z);
		}
		void GLProgramUniform::SetValue(IGLDevice::Integer x,
										IGLDevice::Integer y,
										IGLDevice::Integer z,
										IGLDevice::Integer w){
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, x, y, z, w);
		}
		void GLProgramUniform::SetValue(const spades::Matrix4 &m,
										bool transpose) {
			SPADES_MARK_FUNCTION_DEBUG();
			last->GetDevice()->Uniform(loc, transpose, m);
		}
	}
}