-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GL_UNIFORM_H_
#define MSP_GL_UNIFORM_H_
+#include <algorithm>
+
namespace Msp {
namespace GL {
-class Program;
-
class Uniform
{
protected:
Uniform() { }
+private:
+ Uniform(const Uniform &);
+ Uniform &operator=(const Uniform &);
public:
- virtual void apply(int) const =0;
+ virtual ~Uniform() { }
+
+ virtual void apply(int) const = 0;
+ virtual Uniform *clone() const = 0;
};
-class Uniform1i: public Uniform
+template<typename T>
+class UniformScalar: public Uniform
{
-private:
- int v;
-
public:
- Uniform1i(int v_);
- virtual void apply(int index) const;
-};
+ typedef T BaseType;
+ typedef T Type;
-
-class Uniform1f: public Uniform
-{
private:
- float v;
+ Type value;
public:
- Uniform1f(float v_);
+ UniformScalar(Type v): value(v) { }
+
virtual void apply(int index) const;
+
+ virtual UniformScalar *clone() const
+ { return new UniformScalar(value); }
};
+typedef UniformScalar<int> Uniform1i;
+typedef UniformScalar<float> Uniform1f;
-class Uniform2f: public Uniform
-{
-private:
- float v[2];
+template<typename T, unsigned vecsize>
+class UniformVector: public Uniform
+{
public:
- Uniform2f(float v0, float v1);
- virtual void apply(int index) const;
-};
+ typedef T BaseType;
+ typedef T Type[vecsize];
-
-class Uniform3f: public Uniform
-{
private:
- float v[3];
+ Type value;
public:
- Uniform3f(float v0, float v1, float v2);
+ UniformVector(const T *vp)
+ { std::copy(vp, vp+vecsize, value); }
+
virtual void apply(int index) const;
+
+ virtual UniformVector *clone() const
+ { return new UniformVector(value); }
};
+typedef UniformVector<float, 2> Uniform2f;
+typedef UniformVector<float, 3> Uniform3f;
+typedef UniformVector<float, 4> Uniform4f;
+
-class Uniform4f: public Uniform
+template<typename T, unsigned rows, unsigned cols>
+class UniformMatrix: public Uniform
{
+public:
+ typedef T BaseType;
+ typedef T Type[rows*cols];
+
private:
- float v[4];
+ Type value;
public:
- Uniform4f(float v0, float v1, float v2, float v3);
+ UniformMatrix(const T *vp)
+ { std::copy(vp, vp+rows*cols, value); }
+
virtual void apply(int index) const;
+
+ virtual UniformMatrix *clone() const
+ { return new UniformMatrix(value); }
};
+typedef UniformMatrix<float, 4, 4> UniformMatrix4x4f;
+
} // namespace GL
} // namespace Msp