diff --git a/vis/include/cgl/buffer.hpp b/vis/include/cgl/buffer.hpp
new file mode 100644
index 0000000..e69a9f2
--- /dev/null
+++ b/vis/include/cgl/buffer.hpp
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <memory>
+
+#include <glad/glad.h>
+
+namespace cgl {
+    template<class T>
+    class buffer {
+        GLuint id{};
+
+    public:
+        buffer() {
+            glCreateBuffers(1, &id);
+        }
+
+        buffer(const T &data, GLenum usage = GL_STATIC_DRAW)
+            : buffer() {
+            put(data, usage);
+        }
+
+        buffer(const std::vector<T> &data, GLenum usage = GL_STATIC_DRAW)
+            : buffer() {
+            put(data, usage);
+        }
+
+        buffer(buffer &) = delete;
+
+        buffer(buffer &&o) noexcept {
+            id = std::exchange(o.id, 0);
+        };
+
+        ~buffer() {
+            glDeleteBuffers(1, &id);
+            id = 0;
+        }
+
+        operator GLuint() const {
+            return id;
+        }
+
+        [[nodiscard]] size_t size() const {
+            GLint res;
+            glGetNamedBufferParameteriv(id, GL_BUFFER_SIZE, &res);
+            return (size_t) res;
+        }
+
+        [[nodiscard]] size_t count() const {
+            return size() / sizeof(T);
+        }
+
+        void put(const T &data, GLenum usage = GL_STATIC_DRAW) {
+            glNamedBufferData(id, sizeof(T), &data, usage);
+        }
+
+        void put(const std::vector<T> &data, GLenum usage = GL_STATIC_DRAW) {
+            glNamedBufferData(id, sizeof(T) * data.size(), &data[0], usage);
+        }
+
+        void bound(GLenum target, const std::function<void()> &action) const {
+            glBindBuffer(target, id);
+            action();
+            glBindBuffer(target, 0);
+        }
+    };
+
+}
diff --git a/vis/include/cgl/error.hpp b/vis/include/cgl/error.hpp
new file mode 100644
index 0000000..48840b4
--- /dev/null
+++ b/vis/include/cgl/error.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdexcept>
+
+#include <glad/glad.h>
+
+namespace cgl {
+    class gl_error : public std::domain_error {
+    public:
+        explicit gl_error(const std::string &arg) : domain_error(arg) {}
+
+        explicit gl_error(const char *string) : domain_error(string) {}
+    };
+
+    class shader_error : public gl_error {
+    public:
+        explicit shader_error(const std::string &arg) : gl_error(arg) {}
+
+        explicit shader_error(const char *string) : gl_error(string) {}
+    };
+
+    class program_error : public gl_error {
+    public:
+        explicit program_error(const std::string &arg) : gl_error(arg) {}
+
+        explicit program_error(const char *string) : gl_error(string) {}
+    };
+}
\ No newline at end of file
diff --git a/vis/include/cgl/pipeline.hpp b/vis/include/cgl/pipeline.hpp
new file mode 100644
index 0000000..c9d9105
--- /dev/null
+++ b/vis/include/cgl/pipeline.hpp
@@ -0,0 +1,88 @@
+#pragma once
+
+#include <functional>
+#include <string>
+#include <utility>
+
+#include <glad/glad.h>
+
+#include <cgl/error.hpp>
+#include <cgl/shaderprogram.hpp>
+
+#include <util.hpp>
+
+namespace cgl{
+    class pipeline {
+    protected:
+        GLuint id{};
+
+    public:
+        pipeline() {
+            glCreateProgramPipelines(1, &id);
+        }
+
+        pipeline(pipeline &) = delete;
+
+        pipeline(pipeline &&o) noexcept {
+            id = std::exchange(o.id, 0);
+        }
+
+        ~pipeline() {
+            glDeleteProgramPipelines(1, &id);
+            id = 0;
+        }
+
+        operator GLuint() const {
+            return id;
+        }
+
+        [[nodiscard]] int get(GLenum pname) const {
+            GLint res;
+            glGetProgramPipelineiv(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];
+            glGetProgramPipelineInfoLog(id, len, nullptr, buffer);
+            return std::string(buffer);
+        }
+
+        pipeline &stage(const shaderprogram<GL_VERTEX_SHADER> &pgm) {
+            glUseProgramStages(id, GL_VERTEX_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        pipeline &stage(const shaderprogram<GL_TESS_CONTROL_SHADER> &pgm) {
+            glUseProgramStages(id, GL_TESS_CONTROL_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        pipeline &stage(const shaderprogram<GL_TESS_EVALUATION_SHADER> &pgm) {
+            glUseProgramStages(id, GL_TESS_EVALUATION_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        pipeline &stage(const shaderprogram<GL_GEOMETRY_SHADER> &pgm) {
+            glUseProgramStages(id, GL_GEOMETRY_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        pipeline &stage(const shaderprogram<GL_FRAGMENT_SHADER> &pgm) {
+            glUseProgramStages(id, GL_FRAGMENT_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        pipeline &stage(const shaderprogram<GL_COMPUTE_SHADER> &pgm) {
+            glUseProgramStages(id, GL_COMPUTE_SHADER_BIT, pgm);
+            return *this;
+        }
+
+        void bound(const std::function<void()> &action) const {
+            glBindProgramPipeline(id);
+            action();
+            glBindProgramPipeline(0);
+        }
+    };
+}
\ No newline at end of file
diff --git a/vis/include/cgl/program.hpp b/vis/include/cgl/program.hpp
new file mode 100644
index 0000000..c9aa3a4
--- /dev/null
+++ b/vis/include/cgl/program.hpp
@@ -0,0 +1,65 @@
+#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);
+        }
+    };
+}
\ No newline at end of file
diff --git a/vis/include/cgl/render.hpp b/vis/include/cgl/render.hpp
deleted file mode 100644
index 37d20dc..0000000
--- a/vis/include/cgl/render.hpp
+++ /dev/null
@@ -1,355 +0,0 @@
-#pragma once
-
-#include <memory>
-
-#include <glad/glad.h>
-
-namespace cgl {
-    template<class T>
-    class buffer {
-        GLuint id{};
-
-    public:
-        buffer() {
-            glCreateBuffers(1, &id);
-        }
-
-        buffer(const T &data, GLenum usage = GL_STATIC_DRAW)
-            : buffer() {
-            put(data, usage);
-        }
-
-        buffer(const std::vector<T> &data, GLenum usage = GL_STATIC_DRAW)
-            : buffer() {
-            put(data, usage);
-        }
-
-        buffer(buffer &) = delete;
-
-        buffer(buffer &&o) noexcept {
-            id = std::exchange(o.id, 0);
-        };
-
-        ~buffer() {
-            glDeleteBuffers(1, &id);
-            id = 0;
-        }
-
-        operator GLuint() const {
-            return id;
-        }
-
-        [[nodiscard]] size_t size() const {
-            GLint res;
-            glGetNamedBufferParameteriv(id, GL_BUFFER_SIZE, &res);
-            return (size_t) res;
-        }
-
-        [[nodiscard]] size_t count() const {
-            return size() / sizeof(T);
-        }
-
-        void put(const T &data, GLenum usage = GL_STATIC_DRAW) {
-            glNamedBufferData(id, sizeof(T), &data, usage);
-        }
-
-        void put(const std::vector<T> &data, GLenum usage = GL_STATIC_DRAW) {
-            glNamedBufferData(id, sizeof(T) * data.size(), &data[0], usage);
-        }
-
-        void bound(GLenum target, const std::function<void()> &action) const {
-            glBindBuffer(target, id);
-            action();
-            glBindBuffer(target, 0);
-        }
-    };
-
-    template<GLenum mode>
-    class shader {
-    protected:
-        GLuint id{};
-
-    public:
-        shader() {
-            id = glCreateShader(mode);
-        }
-
-        shader(const std::string &src) : shader() {
-            set_source(src);
-
-            if (!compile())
-                throw shader_error<mode>(get_info_log());
-        }
-
-        static shader<mode> file(const std::string &name) {
-            return shader<mode>(utilReadFile(name));
-        }
-
-        shader(shader &) = delete;
-
-        shader(shader &&o) noexcept {
-            id = std::exchange(o.id, 0);
-        };
-
-        ~shader() {
-            glDeleteShader(id);
-        }
-
-        operator GLuint() const {
-            return id;
-        }
-
-        [[nodiscard]] int get(GLenum pname) const {
-            GLint res;
-            glGetShaderiv(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];
-            glGetShaderInfoLog(id, len, nullptr, buffer);
-            return std::string(buffer);
-        }
-
-        void set_source(const std::string &src) {
-            const char *c_src = src.c_str();
-            glShaderSource(id, 1, &c_src, nullptr);
-        }
-
-        bool compile() {
-            glCompileShader(id);
-            return (bool) get(GL_COMPILE_STATUS);
-        }
-    };
-
-    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);
-        }
-    };
-
-    template<GLenum mode>
-    class shaderprogram : public program {
-    public:
-        shaderprogram() : program() {
-            glProgramParameteri(id, GL_PROGRAM_SEPARABLE, GL_TRUE);
-        }
-
-        shaderprogram(const std::string &src) : shaderprogram() {
-            shader<mode> sh(src);
-
-            attach(sh);
-
-            if (!link())
-                throw shader_error<mode>(get_info_log());
-
-            detach(sh);
-        }
-
-        static shaderprogram<mode> file(const std::string &name) {
-            return shaderprogram<mode>(utilReadFile(name));
-        }
-    };
-
-    class pipeline {
-    protected:
-        GLuint id{};
-
-    public:
-        pipeline() {
-            glCreateProgramPipelines(1, &id);
-        }
-
-        pipeline(pipeline &) = delete;
-
-        pipeline(pipeline &&o) noexcept {
-            id = std::exchange(o.id, 0);
-        }
-
-        ~pipeline() {
-            glDeleteProgramPipelines(1, &id);
-            id = 0;
-        }
-
-        operator GLuint() const {
-            return id;
-        }
-
-        [[nodiscard]] int get(GLenum pname) const {
-            GLint res;
-            glGetProgramPipelineiv(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];
-            glGetProgramPipelineInfoLog(id, len, nullptr, buffer);
-            return std::string(buffer);
-        }
-
-        pipeline &stage(const shaderprogram<GL_VERTEX_SHADER> &pgm) {
-            glUseProgramStages(id, GL_VERTEX_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        pipeline &stage(const shaderprogram<GL_TESS_CONTROL_SHADER> &pgm) {
-            glUseProgramStages(id, GL_TESS_CONTROL_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        pipeline &stage(const shaderprogram<GL_TESS_EVALUATION_SHADER> &pgm) {
-            glUseProgramStages(id, GL_TESS_EVALUATION_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        pipeline &stage(const shaderprogram<GL_GEOMETRY_SHADER> &pgm) {
-            glUseProgramStages(id, GL_GEOMETRY_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        pipeline &stage(const shaderprogram<GL_FRAGMENT_SHADER> &pgm) {
-            glUseProgramStages(id, GL_FRAGMENT_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        pipeline &stage(const shaderprogram<GL_COMPUTE_SHADER> &pgm) {
-            glUseProgramStages(id, GL_COMPUTE_SHADER_BIT, pgm);
-            return *this;
-        }
-
-        void bound(const std::function<void()> &action) const {
-            glBindProgramPipeline(id);
-            action();
-            glBindProgramPipeline(0);
-        }
-    };
-
-    namespace sh {
-        using vert = shader<GL_VERTEX_SHADER>;
-        using tcs = shader<GL_TESS_CONTROL_SHADER>;
-        using tes = shader<GL_TESS_EVALUATION_SHADER>;
-        using geom = shader<GL_GEOMETRY_SHADER>;
-        using frag = shader<GL_FRAGMENT_SHADER>;
-        using comp = shader<GL_COMPUTE_SHADER>;
-    }
-
-    namespace pgm {
-        using vert = shaderprogram<GL_VERTEX_SHADER>;
-        using tcs = shaderprogram<GL_TESS_CONTROL_SHADER>;
-        using tes = shaderprogram<GL_TESS_EVALUATION_SHADER>;
-        using geom = shaderprogram<GL_GEOMETRY_SHADER>;
-        using frag = shaderprogram<GL_FRAGMENT_SHADER>;
-        using comp = shaderprogram<GL_COMPUTE_SHADER>;
-    }
-
-    class vertexarray {
-        GLuint id{};
-
-    public:
-        vertexarray() {
-            glCreateVertexArrays(1, &id);
-        }
-
-        vertexarray(vertexarray &) = delete;
-
-        vertexarray(vertexarray &&o) noexcept {
-            id = std::exchange(o.id, 0);
-        }
-
-        ~vertexarray() {
-            glDeleteVertexArrays(1, &id);
-            id = 0;
-        }
-
-        operator GLuint() const {
-            return id;
-        }
-
-        void bound(const std::function<void()> &action) const {
-            glBindVertexArray(id);
-            action();
-            glBindVertexArray(0);
-        }
-
-        template<class T>
-        void pointer(
-            GLuint index,
-            const buffer<T> &buf,
-            unsigned size,
-            GLenum type,
-            bool normalized = false,
-            unsigned stride = 0
-        ) const {
-            bound([&]() {
-                glEnableVertexAttribArray(index);
-                buf.bound(GL_ARRAY_BUFFER, [&]() {
-                    glVertexAttribPointer(index, size, type, normalized, stride, nullptr);
-                });
-            });
-        }
-
-        template<class T>
-        void ipointer(
-            GLuint index,
-            const buffer<T> &buf,
-            unsigned size,
-            GLenum type,
-            unsigned stride = 0
-        ) const {
-            bound([&]() {
-                glEnableVertexAttribArray(index);
-                buf.bound(GL_ARRAY_BUFFER, [&]() {
-                    glVertexAttribIPointer(index, size, type, stride, nullptr);
-                });
-            });
-        }
-    };
-}
diff --git a/vis/include/cgl/shader.hpp b/vis/include/cgl/shader.hpp
new file mode 100644
index 0000000..bce89a0
--- /dev/null
+++ b/vis/include/cgl/shader.hpp
@@ -0,0 +1,80 @@
+#pragma once
+
+#include <string>
+#include <utility>
+
+#include <glad/glad.h>
+
+#include <cgl/error.hpp>
+
+#include <util.hpp>
+
+namespace cgl {
+    template<GLenum mode>
+    class shader {
+    protected:
+        GLuint id{};
+
+    public:
+        shader() {
+            id = glCreateShader(mode);
+        }
+
+        shader(const std::string &src) : shader() {
+            set_source(src);
+
+            if (!compile())
+                throw shader_error(get_info_log());
+        }
+
+        static shader<mode> file(const std::string &name) {
+            return shader<mode>(utilReadFile(name));
+        }
+
+        shader(shader &) = delete;
+
+        shader(shader &&o) noexcept {
+            id = std::exchange(o.id, 0);
+        };
+
+        ~shader() {
+            glDeleteShader(id);
+        }
+
+        operator GLuint() const {
+            return id;
+        }
+
+        [[nodiscard]] int get(GLenum pname) const {
+            GLint res;
+            glGetShaderiv(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];
+            glGetShaderInfoLog(id, len, nullptr, buffer);
+            return std::string(buffer);
+        }
+
+        void set_source(const std::string &src) {
+            const char *c_src = src.c_str();
+            glShaderSource(id, 1, &c_src, nullptr);
+        }
+
+        bool compile() {
+            glCompileShader(id);
+            return (bool) get(GL_COMPILE_STATUS);
+        }
+    };
+
+    namespace sh {
+        using vert = shader<GL_VERTEX_SHADER>;
+        using tcs = shader<GL_TESS_CONTROL_SHADER>;
+        using tes = shader<GL_TESS_EVALUATION_SHADER>;
+        using geom = shader<GL_GEOMETRY_SHADER>;
+        using frag = shader<GL_FRAGMENT_SHADER>;
+        using comp = shader<GL_COMPUTE_SHADER>;
+    }
+}
diff --git a/vis/include/cgl/shaderprogram.hpp b/vis/include/cgl/shaderprogram.hpp
new file mode 100644
index 0000000..3aacf9f
--- /dev/null
+++ b/vis/include/cgl/shaderprogram.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <string>
+#include <utility>
+
+#include <glad/glad.h>
+
+#include <cgl/error.hpp>
+#include <cgl/shader.hpp>
+#include <cgl/program.hpp>
+
+#include <util.hpp>
+
+namespace cgl{
+    template<GLenum mode>
+    class shaderprogram : public program {
+    public:
+        shaderprogram() : program() {
+            glProgramParameteri(id, GL_PROGRAM_SEPARABLE, GL_TRUE);
+        }
+
+        shaderprogram(const std::string &src) : shaderprogram() {
+            shader<mode> sh(src);
+
+            attach(sh);
+
+            if (!link())
+                throw shader_error(get_info_log());
+
+            detach(sh);
+        }
+
+        static shaderprogram<mode> file(const std::string &name) {
+            return shaderprogram<mode>(utilReadFile(name));
+        }
+    };
+
+    namespace pgm {
+        using vert = shaderprogram<GL_VERTEX_SHADER>;
+        using tcs = shaderprogram<GL_TESS_CONTROL_SHADER>;
+        using tes = shaderprogram<GL_TESS_EVALUATION_SHADER>;
+        using geom = shaderprogram<GL_GEOMETRY_SHADER>;
+        using frag = shaderprogram<GL_FRAGMENT_SHADER>;
+        using comp = shaderprogram<GL_COMPUTE_SHADER>;
+    }
+}
\ No newline at end of file
diff --git a/vis/include/cgl/vertexarray.hpp b/vis/include/cgl/vertexarray.hpp
new file mode 100644
index 0000000..fa00b2e
--- /dev/null
+++ b/vis/include/cgl/vertexarray.hpp
@@ -0,0 +1,75 @@
+#pragma once
+
+#include <functional>
+#include <string>
+#include <utility>
+
+#include <glad/glad.h>
+
+#include <cgl/error.hpp>
+#include <cgl/buffer.hpp>
+
+namespace cgl {
+    class vertexarray {
+        GLuint id{};
+
+    public:
+        vertexarray() {
+            glCreateVertexArrays(1, &id);
+        }
+
+        vertexarray(vertexarray &) = delete;
+
+        vertexarray(vertexarray &&o) noexcept {
+            id = std::exchange(o.id, 0);
+        }
+
+        ~vertexarray() {
+            glDeleteVertexArrays(1, &id);
+            id = 0;
+        }
+
+        operator GLuint() const {
+            return id;
+        }
+
+        void bound(const std::function<void()> &action) const {
+            glBindVertexArray(id);
+            action();
+            glBindVertexArray(0);
+        }
+
+        template<class T>
+        void pointer(
+            GLuint index,
+            const buffer<T> &buf,
+            unsigned size,
+            GLenum type,
+            bool normalized = false,
+            unsigned stride = 0
+        ) const {
+            bound([&]() {
+                glEnableVertexAttribArray(index);
+                buf.bound(GL_ARRAY_BUFFER, [&]() {
+                    glVertexAttribPointer(index, size, type, normalized, stride, nullptr);
+                });
+            });
+        }
+
+        template<class T>
+        void ipointer(
+            GLuint index,
+            const buffer<T> &buf,
+            unsigned size,
+            GLenum type,
+            unsigned stride = 0
+        ) const {
+            bound([&]() {
+                glEnableVertexAttribArray(index);
+                buf.bound(GL_ARRAY_BUFFER, [&]() {
+                    glVertexAttribIPointer(index, size, type, stride, nullptr);
+                });
+            });
+        }
+    };
+}
\ No newline at end of file
diff --git a/vis/include/util.hpp b/vis/include/util.hpp
index e4a1807..efef3a7 100644
--- a/vis/include/util.hpp
+++ b/vis/include/util.hpp
@@ -8,70 +8,6 @@
 
 #include <glad/glad.h>
 
-class gl_error : public std::domain_error {
-public:
-    explicit gl_error(const std::string &arg) : domain_error(arg) {}
-
-    explicit gl_error(const char *string) : domain_error(string) {}
-};
-
-template<GLenum mode>
-class shader_error : public gl_error {
-public:
-    explicit shader_error(const std::string &arg) : gl_error(arg) {}
-
-    explicit shader_error(const char *string) : gl_error(string) {}
-};
-
-class program_error : public gl_error {
-public:
-    explicit program_error(const std::string &arg) : gl_error(arg) {}
-
-    explicit program_error(const char *string) : gl_error(string) {}
-};
-
-template<class T, GLenum prop>
-T utilGetShader(GLuint shader) {
-    GLint res;
-    glGetShaderiv(shader, prop, &res);
-    return static_cast<T>(res);
-}
-
-#define getShaderInfoLogLength utilGetShader<size_t, GL_INFO_LOG_LENGTH>
-#define getShaderCompileStatus utilGetShader<size_t, GL_COMPILE_STATUS>
-
-template<class T, GLenum prop>
-T utilGetProgram(GLuint program) {
-    GLint res;
-    glGetProgramiv(program, prop, &res);
-    return static_cast<T>(res);
-}
-
-#define getProgramInfoLogLength utilGetProgram<size_t, GL_INFO_LOG_LENGTH>
-#define getProgramLinkStatus utilGetProgram<size_t, GL_LINK_STATUS>
-
-void utilShaderSource(GLuint shader, const std::vector<std::string> &sources) {
-    char const *ptrs[sources.size()];
-    for (size_t i = 0; i < sources.size(); ++i) {
-        ptrs[i] = sources[i].c_str();
-    }
-    glShaderSource(shader, sources.size(), ptrs, nullptr);
-}
-
-std::string getShaderInfoLog(GLuint shader) {
-    int len = getShaderInfoLogLength(shader);
-    char buffer[len];
-    glGetShaderInfoLog(shader, len, nullptr, buffer);
-    return std::string(buffer);
-}
-
-std::string getProgramInfoLog(GLuint program) {
-    int len = getProgramInfoLogLength(program);
-    char buffer[len];
-    glGetProgramInfoLog(program, len, nullptr, buffer);
-    return std::string(buffer);
-}
-
 std::string utilInfo() {
     std::stringstream ss;
     ss
@@ -93,70 +29,3 @@ std::string utilReadFile(const std::string &filename) {
     }
     throw std::system_error(errno, std::generic_category());
 }
-
-GLuint utilCompileFiles(const GLenum type, const std::vector<std::string> &files) {
-    std::vector<std::string> sources;
-    sources.reserve(files.size());
-    for (const auto &file : files) {
-        sources.push_back(utilReadFile(file));
-    }
-
-    GLuint shader = glCreateShader(type);
-    utilShaderSource(shader, sources);
-    glCompileShader(shader);
-
-    if (getShaderCompileStatus(shader)) return shader;
-
-    throw shader_error<GL_VERTEX_SHADER>(getShaderInfoLog(shader));
-}
-
-GLuint utilLinkProgram(const std::vector<GLuint> &shaders) {
-    GLuint program = glCreateProgram();
-    for (const auto &shader : shaders) {
-        glAttachShader(program, shader);
-    }
-    glLinkProgram(program);
-
-    if (getProgramLinkStatus(program)) return program;
-
-    throw program_error(getProgramInfoLog(program));
-}
-
-GLuint utilCreateShaderProgram(GLenum type, const std::vector<std::string> &src) {
-    std::vector<const char *> c_str(src.size());
-    std::transform(src.begin(), src.end(), c_str.begin(), [](auto &str) {
-        return str.c_str();
-    });
-
-    GLuint program = glCreateShaderProgramv(type, src.size(), &c_str[0]);
-
-    if (getProgramLinkStatus(program)) return program;
-
-    throw program_error(getProgramInfoLog(program));
-}
-
-GLuint utilCreateShaderProgramFile(GLenum type, const std::vector<std::string> &files) {
-    std::vector<std::string> sources(files.size());
-    std::transform(files.begin(), files.end(), sources.begin(), utilReadFile);
-    return utilCreateShaderProgram(type, sources);
-}
-
-std::vector<GLuint> utilCreateVertexArrays(int n) {
-    std::vector<GLuint> res(n);
-    glCreateVertexArrays(n, &res[0]);
-    return res;
-}
-
-GLuint utilCreateVertexArray() {
-    return utilCreateVertexArrays(1)[0];
-}
-
-std::vector<GLuint> utilCreateBuffers(int n) {
-    std::vector<GLuint> res(n);
-    glCreateBuffers(n, &res[0]);
-    return res;
-}
-
-GLuint utilCreateBuffer() {
-    return utilCreateBuffers(1)[0];
-}
\ No newline at end of file
diff --git a/vis/src/main.cpp b/vis/src/main.cpp
index 11099d8..5e817dd 100644
--- a/vis/src/main.cpp
+++ b/vis/src/main.cpp
@@ -11,7 +11,9 @@
 #include "mirror.hpp"
 #include "geometry.hpp"
 
-#include <cgl/render.hpp>
+#include <cgl/vertexarray.hpp>
+#include <cgl/shaderprogram.hpp>
+#include <cgl/pipeline.hpp>
 
 #ifdef _WIN32
 extern "C" {