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#pragma once
#include "shader.h"
#include <GL/glew.h>
#include <glRef.hpp>
#include <glm/mat4x4.hpp>
class Location;
class Program {
public:
template<typename... S> Program(const S &... srcs)
{
(glAttachShader(m_program, srcs), ...);
linkAndValidate();
}
virtual ~Program() = default;
class UniformLocation {
public:
UniformLocation(GLuint prog, const char * name);
operator auto() const
{
return location;
}
protected:
GLint location;
};
class RequiredUniformLocation : public UniformLocation {
public:
RequiredUniformLocation(GLuint prog, const char * name);
};
operator GLuint() const
{
return m_program;
}
protected:
void use() const;
using ProgramRef = glRef<GLuint, &__glewCreateProgram, &__glewDeleteProgram>;
void linkAndValidate() const;
ProgramRef m_program;
};
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