move cgl to separate repo

vis/include/cgl/program.hpp

@@ -1,65 +0,0 @@
-#pragma once
-
-#include <string>
-#include <utility>
-
-#include <glad/glad.h>
-
-#include <cgl/error.hpp>
-#include <cgl/shader.hpp>
-
-#include <util.hpp>
-
-namespace cgl {
-    class Program {
-    protected:
-        GLuint id{};
-
-    public:
-        Program() {
-            id = glCreateProgram();
-        }
-
-        Program(Program &) = delete;
-
-        Program(Program &&o) noexcept {
-            id = std::exchange(o.id, 0);
-        };
-
-        ~Program() {
-            glDeleteProgram(id);
-        }
-
-        operator GLuint() const {
-            return id;
-        }
-
-        [[nodiscard]] int get(GLenum pname) const {
-            GLint res;
-            glGetProgramiv(id, pname, &res);
-            return (int) res;
-        }
-
-        [[nodiscard]] std::string get_info_log() const {
-            auto len = (size_t) get(GL_INFO_LOG_LENGTH);
-            char buffer[len];
-            glGetProgramInfoLog(id, len, nullptr, buffer);
-            return std::string(buffer);
-        }
-
-        template<GLenum mode>
-        void attach(const Shader<mode> &sh) {
-            glAttachShader(id, sh);
-        }
-
-        template<GLenum mode>
-        void detach(const Shader<mode> &sh) {
-            glDetachShader(id, sh);
-        }
-
-        bool link() {
-            glLinkProgram(id);
-            return (bool) get(GL_LINK_STATUS);
-        }
-    };
-}