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#pragma once
#include "program.h"
#include <cstddef>
#include <glad/gl.h>
#include <glm/glm.hpp>
#include <glm/gtc/type_ptr.hpp>
class UIShader {
public:
UIShader(std::size_t width, std::size_t height);
private:
explicit UIShader(const glm::mat4 & viewProjection);
class UIProgram : public Program {
public:
template<typename... S>
explicit UIProgram(const glm::mat4 & vp, S &&... srcs) : Program {std::forward<S>(srcs)...}
{
const RequiredUniformLocation uiProjectionLoc {*this, "uiProjection"};
glUseProgram(*this);
glUniformMatrix4fv(uiProjectionLoc, 1, GL_FALSE, glm::value_ptr(vp));
}
};
class IconProgram : public UIProgram {
public:
explicit IconProgram(const glm::mat4 & vp);
using Program::use;
};
class TextProgram : public UIProgram {
public:
explicit TextProgram(const glm::mat4 & vp);
void use(const glm::vec3 & colour) const;
private:
RequiredUniformLocation colorLoc;
};
public:
IconProgram icon;
TextProgram text;
};
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