diff --git a/scwx-qt/scwx-qt.cmake b/scwx-qt/scwx-qt.cmake
index c36ac27f..c9349a9f 100644
--- a/scwx-qt/scwx-qt.cmake
+++ b/scwx-qt/scwx-qt.cmake
@@ -52,8 +52,11 @@ set(HDR_MAIN source/scwx/qt/main/main_window.hpp)
 set(SRC_MAIN source/scwx/qt/main/main.cpp
              source/scwx/qt/main/main_window.cpp)
 set(UI_MAIN  source/scwx/qt/main/main_window.ui)
-set(HDR_GL source/scwx/qt/gl/text_shader.hpp)
-set(SRC_GL source/scwx/qt/gl/text_shader.cpp)
+set(HDR_GL source/scwx/qt/gl/gl.hpp
+           source/scwx/qt/gl/shader_program.hpp
+           source/scwx/qt/gl/text_shader.hpp)
+set(SRC_GL source/scwx/qt/gl/shader_program.cpp
+           source/scwx/qt/gl/text_shader.cpp)
 set(HDR_MANAGER source/scwx/qt/manager/radar_manager.hpp)
 set(SRC_MANAGER source/scwx/qt/manager/radar_manager.cpp)
 set(HDR_MAP source/scwx/qt/map/map_widget.hpp
@@ -65,12 +68,9 @@ set(SRC_MAP source/scwx/qt/map/map_widget.cpp
             source/scwx/qt/map/radar_range_layer.cpp
             source/scwx/qt/map/triangle_layer.cpp)
 set(HDR_UTIL source/scwx/qt/util/font.hpp
-             source/scwx/qt/util/font_buffer.hpp
-             source/scwx/qt/util/gl.hpp
-             source/scwx/qt/util/shader_program.hpp)
+             source/scwx/qt/util/font_buffer.hpp)
 set(SRC_UTIL source/scwx/qt/util/font.cpp
-             source/scwx/qt/util/font_buffer.cpp
-             source/scwx/qt/util/shader_program.cpp)
+             source/scwx/qt/util/font_buffer.cpp)
 set(HDR_VIEW source/scwx/qt/view/radar_view.hpp)
 set(SRC_VIEW source/scwx/qt/view/radar_view.cpp)
 
@@ -85,6 +85,8 @@ set(TS_FILES ts/scwx_en_US.ts)
 
 set(PROJECT_SOURCES ${HDR_MAIN}
                     ${SRC_MAIN}
+                    ${HDR_GL}
+                    ${SRC_GL}
                     ${HDR_MANAGER}
                     ${SRC_MANAGER}
                     ${UI_MAIN}
@@ -100,6 +102,8 @@ set(PROJECT_SOURCES ${HDR_MAIN}
 
 source_group("Header Files\\main"    FILES ${HDR_MAIN})
 source_group("Source Files\\main"    FILES ${SRC_MAIN})
+source_group("Header Files\\gl"      FILES ${HDR_GL})
+source_group("Source Files\\gl"      FILES ${SRC_GL})
 source_group("Header Files\\manager" FILES ${HDR_MANAGER})
 source_group("Source Files\\manager" FILES ${SRC_MANAGER})
 source_group("UI Files\\main"        FILES ${UI_MAIN})
diff --git a/scwx-qt/source/scwx/qt/util/gl.hpp b/scwx-qt/source/scwx/qt/gl/gl.hpp
similarity index 97%
rename from scwx-qt/source/scwx/qt/util/gl.hpp
rename to scwx-qt/source/scwx/qt/gl/gl.hpp
index 26e11ef5..225d209c 100644
--- a/scwx-qt/source/scwx/qt/util/gl.hpp
+++ b/scwx-qt/source/scwx/qt/gl/gl.hpp
@@ -16,8 +16,11 @@ namespace scwx
 {
 namespace qt
 {
+namespace gl
+{
 
 using OpenGLFunctions = QOpenGLFunctions_3_3_Core;
 
+}
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/util/shader_program.cpp b/scwx-qt/source/scwx/qt/gl/shader_program.cpp
similarity index 96%
rename from scwx-qt/source/scwx/qt/util/shader_program.cpp
rename to scwx-qt/source/scwx/qt/gl/shader_program.cpp
index a8d02ba6..f7460077 100644
--- a/scwx-qt/source/scwx/qt/util/shader_program.cpp
+++ b/scwx-qt/source/scwx/qt/gl/shader_program.cpp
@@ -1,4 +1,4 @@
-#include <scwx/qt/util/shader_program.hpp>
+#include <scwx/qt/gl/shader_program.hpp>
 
 #include <QFile>
 
@@ -8,8 +8,10 @@ namespace scwx
 {
 namespace qt
 {
+namespace gl
+{
 
-static const std::string logPrefix_ = "[scwx::qt::util::shader_program] ";
+static const std::string logPrefix_ = "[scwx::qt::gl::shader_program] ";
 
 static constexpr GLsizei INFO_LOG_BUF_SIZE = 512;
 
@@ -173,5 +175,6 @@ void ShaderProgram::Use() const
    p->gl_.glUseProgram(p->id_);
 }
 
+} // namespace gl
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/util/shader_program.hpp b/scwx-qt/source/scwx/qt/gl/shader_program.hpp
similarity index 91%
rename from scwx-qt/source/scwx/qt/util/shader_program.hpp
rename to scwx-qt/source/scwx/qt/gl/shader_program.hpp
index b05524ca..386cb627 100644
--- a/scwx-qt/source/scwx/qt/util/shader_program.hpp
+++ b/scwx-qt/source/scwx/qt/gl/shader_program.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/util/gl.hpp>
+#include <scwx/qt/gl/gl.hpp>
 
 #ifdef _WIN32
 #   include <Windows.h>
@@ -13,6 +13,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace gl
+{
 
 class ShaderProgramImpl;
 
@@ -38,5 +40,6 @@ private:
    std::unique_ptr<ShaderProgramImpl> p;
 };
 
+} // namespace gl
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/gl/text_shader.hpp b/scwx-qt/source/scwx/qt/gl/text_shader.hpp
index 8f1926a8..a64f6d79 100644
--- a/scwx-qt/source/scwx/qt/gl/text_shader.hpp
+++ b/scwx-qt/source/scwx/qt/gl/text_shader.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/util/shader_program.hpp>
+#include <scwx/qt/gl/shader_program.hpp>
 #include <scwx/qt/util/font.hpp>
 
 #include <memory>
diff --git a/scwx-qt/source/scwx/qt/main/main.cpp b/scwx-qt/source/scwx/qt/main/main.cpp
index ba9153eb..a48fbd4c 100644
--- a/scwx-qt/source/scwx/qt/main/main.cpp
+++ b/scwx-qt/source/scwx/qt/main/main.cpp
@@ -9,8 +9,8 @@ int main(int argc, char* argv[])
    boost::log::core::get()->set_filter(boost::log::trivial::severity >=
                                        boost::log::trivial::debug);
 
-   QApplication         a(argc, argv);
-   scwx::qt::MainWindow w;
+   QApplication               a(argc, argv);
+   scwx::qt::main::MainWindow w;
    w.show();
    return a.exec();
 }
diff --git a/scwx-qt/source/scwx/qt/main/main_window.cpp b/scwx-qt/source/scwx/qt/main/main_window.cpp
index 5dab28f0..8e006269 100644
--- a/scwx-qt/source/scwx/qt/main/main_window.cpp
+++ b/scwx-qt/source/scwx/qt/main/main_window.cpp
@@ -7,6 +7,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace main
+{
 
 MainWindow::MainWindow(QWidget* parent) :
     QMainWindow(parent), ui(new Ui::MainWindow)
@@ -17,7 +19,7 @@ MainWindow::MainWindow(QWidget* parent) :
    settings.setCacheDatabasePath("/tmp/mbgl-cache.db");
    settings.setCacheDatabaseMaximumSize(20 * 1024 * 1024);
 
-   ui->centralwidget->layout()->addWidget(new MapWidget(settings));
+   ui->centralwidget->layout()->addWidget(new map::MapWidget(settings));
 }
 
 MainWindow::~MainWindow()
@@ -25,5 +27,6 @@ MainWindow::~MainWindow()
    delete ui;
 }
 
+} // namespace main
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/main/main_window.hpp b/scwx-qt/source/scwx/qt/main/main_window.hpp
index a89bdaaf..a31020ed 100644
--- a/scwx-qt/source/scwx/qt/main/main_window.hpp
+++ b/scwx-qt/source/scwx/qt/main/main_window.hpp
@@ -13,6 +13,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace main
+{
 
 class MainWindow : public QMainWindow
 {
@@ -26,5 +28,6 @@ private:
    Ui::MainWindow* ui;
 };
 
+} // namespace main
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/map_widget.cpp b/scwx-qt/source/scwx/qt/map/map_widget.cpp
index db19c703..1fa910e0 100644
--- a/scwx-qt/source/scwx/qt/map/map_widget.cpp
+++ b/scwx-qt/source/scwx/qt/map/map_widget.cpp
@@ -1,8 +1,7 @@
-#include "map_widget.hpp"
-
+#include <scwx/qt/map/map_widget.hpp>
+#include <scwx/qt/gl/gl.hpp>
 #include <scwx/qt/map/radar_layer.hpp>
 #include <scwx/qt/map/radar_range_layer.hpp>
-#include <scwx/qt/util/gl.hpp>
 
 #include <QApplication>
 #include <QColor>
@@ -17,6 +16,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 typedef std::pair<std::string, std::string> MapStyle;
 
@@ -46,7 +47,7 @@ public:
    }
    ~MapWidgetImpl() = default;
 
-   OpenGLFunctions gl_;
+   gl::OpenGLFunctions gl_;
 
    QMapboxGLSettings          settings_;
    std::shared_ptr<QMapboxGL> map_;
@@ -266,5 +267,6 @@ void MapWidget::mapChanged(QMapboxGL::MapChange mapChange)
    }
 }
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/map_widget.hpp b/scwx-qt/source/scwx/qt/map/map_widget.hpp
index 6d7f5cb5..af176e6f 100644
--- a/scwx-qt/source/scwx/qt/map/map_widget.hpp
+++ b/scwx-qt/source/scwx/qt/map/map_widget.hpp
@@ -16,6 +16,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 class MapWidgetImpl;
 
@@ -49,5 +51,6 @@ private slots:
    void mapChanged(QMapboxGL::MapChange);
 };
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/radar_layer.cpp b/scwx-qt/source/scwx/qt/map/radar_layer.cpp
index d8b6b098..80d1d8ac 100644
--- a/scwx-qt/source/scwx/qt/map/radar_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/radar_layer.cpp
@@ -1,5 +1,5 @@
 #include <scwx/qt/map/radar_layer.hpp>
-#include <scwx/qt/util/shader_program.hpp>
+#include <scwx/qt/gl/shader_program.hpp>
 
 #include <execution>
 
@@ -15,6 +15,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 static constexpr uint32_t MAX_RADIALS           = 720;
 static constexpr uint32_t MAX_DATA_MOMENT_GATES = 1840;
@@ -28,7 +30,7 @@ class RadarLayerImpl
 {
 public:
    explicit RadarLayerImpl(std::shared_ptr<view::RadarView> radarView,
-                           OpenGLFunctions&                 gl) :
+                           gl::OpenGLFunctions&             gl) :
        radarView_(radarView),
        gl_(gl),
        shaderProgram_(gl),
@@ -45,9 +47,9 @@ public:
    ~RadarLayerImpl() = default;
 
    std::shared_ptr<view::RadarView> radarView_;
-   OpenGLFunctions&                 gl_;
+   gl::OpenGLFunctions&             gl_;
 
-   ShaderProgram         shaderProgram_;
+   gl::ShaderProgram     shaderProgram_;
    GLint                 uMVPMatrixLocation_;
    GLint                 uMapScreenCoordLocation_;
    std::array<GLuint, 2> vbo_;
@@ -61,7 +63,7 @@ public:
 };
 
 RadarLayer::RadarLayer(std::shared_ptr<view::RadarView> radarView,
-                       OpenGLFunctions&                 gl) :
+                       gl::OpenGLFunctions&             gl) :
     p(std::make_unique<RadarLayerImpl>(radarView, gl))
 {
 }
@@ -71,7 +73,7 @@ void RadarLayer::initialize()
 {
    BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "initialize()";
 
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    // Load and configure radar shader
    p->shaderProgram_.Load(":/gl/radar.vert", ":/gl/radar.frag");
@@ -121,7 +123,7 @@ void RadarLayer::UpdatePlot()
 
    p->plotUpdated_ = false;
 
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    boost::timer::cpu_timer timer;
 
@@ -182,7 +184,7 @@ void RadarLayer::UpdatePlot()
 
 void RadarLayer::render(const QMapbox::CustomLayerRenderParameters& params)
 {
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    if (p->colorTableUpdated_)
    {
@@ -223,7 +225,7 @@ void RadarLayer::render(const QMapbox::CustomLayerRenderParameters& params)
 
 void RadarLayer::deinitialize()
 {
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "deinitialize()";
 
@@ -251,7 +253,7 @@ void RadarLayer::UpdateColorTable()
 
    p->colorTableUpdated_ = false;
 
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    const std::vector<boost::gil::rgba8_pixel_t>& colorTable =
       p->radarView_->color_table();
@@ -293,5 +295,6 @@ LatLongToScreenCoordinate(const QMapbox::Coordinate& coordinate)
    return screen;
 }
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/radar_layer.hpp b/scwx-qt/source/scwx/qt/map/radar_layer.hpp
index ea2d32fe..fc7e236b 100644
--- a/scwx-qt/source/scwx/qt/map/radar_layer.hpp
+++ b/scwx-qt/source/scwx/qt/map/radar_layer.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/util/gl.hpp>
+#include <scwx/qt/gl/gl.hpp>
 #include <scwx/qt/view/radar_view.hpp>
 
 #include <QMapboxGL>
@@ -9,6 +9,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 class RadarLayerImpl;
 
@@ -18,7 +20,7 @@ class RadarLayer : public QObject, public QMapbox::CustomLayerHostInterface
 
 public:
    explicit RadarLayer(std::shared_ptr<view::RadarView> radarView,
-                       OpenGLFunctions&                 gl);
+                       gl::OpenGLFunctions&             gl);
    ~RadarLayer();
 
    void initialize() override final;
@@ -36,5 +38,6 @@ private:
    std::unique_ptr<RadarLayerImpl> p;
 };
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/radar_range_layer.cpp b/scwx-qt/source/scwx/qt/map/radar_range_layer.cpp
index 2560e180..0e9aaea6 100644
--- a/scwx-qt/source/scwx/qt/map/radar_range_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/radar_range_layer.cpp
@@ -8,6 +8,8 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 static const std::string logPrefix_ = "[scwx::qt::map::radar_range_layer] ";
 
@@ -56,5 +58,6 @@ void RadarRangeLayer::Add(std::shared_ptr<QMapboxGL> map, const QString& before)
       "rangeCircleLayer", "line-color", "rgba(128, 128, 128, 128)");
 }
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/radar_range_layer.hpp b/scwx-qt/source/scwx/qt/map/radar_range_layer.hpp
index e7d9f575..d33ccb68 100644
--- a/scwx-qt/source/scwx/qt/map/radar_range_layer.hpp
+++ b/scwx-qt/source/scwx/qt/map/radar_range_layer.hpp
@@ -6,11 +6,14 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 namespace RadarRangeLayer
 {
 void Add(std::shared_ptr<QMapboxGL> map, const QString& before = QString());
 };
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/triangle_layer.cpp b/scwx-qt/source/scwx/qt/map/triangle_layer.cpp
index 5b52c342..71d7cade 100644
--- a/scwx-qt/source/scwx/qt/map/triangle_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/triangle_layer.cpp
@@ -6,13 +6,15 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 static const std::string logPrefix_ = "[scwx::qt::map::triangle_layer] ";
 
 class TriangleLayerImpl
 {
 public:
-   explicit TriangleLayerImpl(OpenGLFunctions& gl) :
+   explicit TriangleLayerImpl(gl::OpenGLFunctions& gl) :
        gl_(gl),
        shaderProgram_ {GL_INVALID_INDEX},
        vbo_ {GL_INVALID_INDEX},
@@ -22,14 +24,14 @@ public:
    }
    ~TriangleLayerImpl() = default;
 
-   OpenGLFunctions& gl_;
+   gl::OpenGLFunctions& gl_;
 
    GLuint shaderProgram_;
    GLuint vbo_;
    GLuint vao_;
 };
 
-TriangleLayer::TriangleLayer(OpenGLFunctions& gl) :
+TriangleLayer::TriangleLayer(gl::OpenGLFunctions& gl) :
     p(std::make_unique<TriangleLayerImpl>(gl))
 {
 }
@@ -40,7 +42,7 @@ TriangleLayer& TriangleLayer::operator=(TriangleLayer&&) noexcept = default;
 
 void TriangleLayer::initialize()
 {
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    static const char* vertexShaderSource =
       "#version 330 core\n"
@@ -142,7 +144,7 @@ void TriangleLayer::initialize()
 
 void TriangleLayer::render(const QMapbox::CustomLayerRenderParameters&)
 {
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    gl.glUseProgram(p->shaderProgram_);
    gl.glBindVertexArray(p->vao_);
@@ -151,7 +153,7 @@ void TriangleLayer::render(const QMapbox::CustomLayerRenderParameters&)
 
 void TriangleLayer::deinitialize()
 {
-   OpenGLFunctions& gl = p->gl_;
+   gl::OpenGLFunctions& gl = p->gl_;
 
    BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "deinitialize()";
 
@@ -164,5 +166,6 @@ void TriangleLayer::deinitialize()
    p->vbo_           = GL_INVALID_INDEX;
 }
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/map/triangle_layer.hpp b/scwx-qt/source/scwx/qt/map/triangle_layer.hpp
index e62701c3..72e5f4db 100644
--- a/scwx-qt/source/scwx/qt/map/triangle_layer.hpp
+++ b/scwx-qt/source/scwx/qt/map/triangle_layer.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/util/gl.hpp>
+#include <scwx/qt/gl/gl.hpp>
 
 #include <QMapboxGL>
 
@@ -8,13 +8,15 @@ namespace scwx
 {
 namespace qt
 {
+namespace map
+{
 
 class TriangleLayerImpl;
 
 class TriangleLayer : public QMapbox::CustomLayerHostInterface
 {
 public:
-   explicit TriangleLayer(OpenGLFunctions& gl);
+   explicit TriangleLayer(gl::OpenGLFunctions& gl);
    ~TriangleLayer();
 
    TriangleLayer(const TriangleLayer&) = delete;
@@ -31,5 +33,6 @@ private:
    std::unique_ptr<TriangleLayerImpl> p;
 };
 
+} // namespace map
 } // namespace qt
 } // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/util/font.cpp b/scwx-qt/source/scwx/qt/util/font.cpp
index f9c24f1f..ac32106c 100644
--- a/scwx-qt/source/scwx/qt/util/font.cpp
+++ b/scwx-qt/source/scwx/qt/util/font.cpp
@@ -191,7 +191,7 @@ float Font::TextLength(const std::string& text, float pointSize) const
    return x;
 }
 
-GLuint Font::GenerateTexture(OpenGLFunctions& gl)
+GLuint Font::GenerateTexture(gl::OpenGLFunctions& gl)
 {
    gl.glGenTextures(1, &p->atlas_->id);
    gl.glBindTexture(GL_TEXTURE_2D, p->atlas_->id);
diff --git a/scwx-qt/source/scwx/qt/util/font.hpp b/scwx-qt/source/scwx/qt/util/font.hpp
index 789135c7..dc87570a 100644
--- a/scwx-qt/source/scwx/qt/util/font.hpp
+++ b/scwx-qt/source/scwx/qt/util/font.hpp
@@ -1,7 +1,7 @@
 #pragma once
 
+#include <scwx/qt/gl/gl.hpp>
 #include <scwx/qt/util/font_buffer.hpp>
-#include <scwx/qt/util/gl.hpp>
 
 #include <memory>
 #include <string>
@@ -38,7 +38,7 @@ public:
    float Kerning(char c1, char c2) const;
    float TextLength(const std::string& text, float pointSize) const;
 
-   GLuint GenerateTexture(OpenGLFunctions& gl);
+   GLuint GenerateTexture(gl::OpenGLFunctions& gl);
 
    static std::shared_ptr<Font> Create(const std::string& resource);
 
diff --git a/scwx-qt/source/scwx/qt/util/font_buffer.cpp b/scwx-qt/source/scwx/qt/util/font_buffer.cpp
index 06bd4cec..92fd0a3a 100644
--- a/scwx-qt/source/scwx/qt/util/font_buffer.cpp
+++ b/scwx-qt/source/scwx/qt/util/font_buffer.cpp
@@ -28,7 +28,7 @@ public:
 
    ~FontBufferImpl() {}
 
-   void RenderSetup(OpenGLFunctions& gl)
+   void RenderSetup(gl::OpenGLFunctions& gl)
    {
       // Generate and setup VAO
       gl.glGenVertexArrays(1, &vaoId_);
@@ -64,7 +64,7 @@ public:
       gl.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indicesId_);
    }
 
-   void Upload(OpenGLFunctions& gl)
+   void Upload(gl::OpenGLFunctions& gl)
    {
       if (verticesId_ == GL_INVALID_INDEX)
       {
@@ -157,7 +157,7 @@ void FontBuffer::Push(std::initializer_list<GLuint>  indices,
    p->vertices_.insert(p->vertices_.end(), vertices);
 }
 
-void FontBuffer::Render(OpenGLFunctions& gl)
+void FontBuffer::Render(gl::OpenGLFunctions& gl)
 {
    std::scoped_lock lock(p->mutex_);
 
diff --git a/scwx-qt/source/scwx/qt/util/font_buffer.hpp b/scwx-qt/source/scwx/qt/util/font_buffer.hpp
index c794504c..db886bc6 100644
--- a/scwx-qt/source/scwx/qt/util/font_buffer.hpp
+++ b/scwx-qt/source/scwx/qt/util/font_buffer.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/util/gl.hpp>
+#include <scwx/qt/gl/gl.hpp>
 
 #include <memory>
 
@@ -28,7 +28,7 @@ public:
    void Clear();
    void Push(std::initializer_list<GLuint>  indices,
              std::initializer_list<GLfloat> vertices);
-   void Render(OpenGLFunctions& gl);
+   void Render(gl::OpenGLFunctions& gl);
 
 private:
    std::unique_ptr<FontBufferImpl> p;