diff --git a/src/app/app.cpp b/src/app/app.cpp
index cfd73787..c097d81b 100644
--- a/src/app/app.cpp
+++ b/src/app/app.cpp
@@ -575,8 +575,7 @@ bool CApplication::Create()
 
         // GetVideoResolutionList() has to be called here because it is responsible
         // for list of resolutions in options menu, not calling it results in empty list
-        std::vector<Math::IntPoint> modes;
-        GetVideoResolutionList(modes);
+        auto modes = GetVideoResolutionList();
 
         if ( GetConfigFile().GetStringProperty("Setup", "Resolution", sValue) && !m_resolutionOverride )
         {
@@ -1028,7 +1027,7 @@ void CApplication::UpdateJoystick()
 
 void CApplication::UpdateMouse()
 {
-    Math::IntPoint pos;
+    glm::ivec2 pos{};
     SDL_GetMouseState(&pos.x, &pos.y);
     m_input->MouseMove(pos);
 }
@@ -1302,7 +1301,7 @@ Event CApplication::ProcessSystemEvent()
     {
         event.type = EVENT_MOUSE_MOVE;
 
-        m_input->MouseMove(Math::IntPoint(m_private->currentEvent.button.x, m_private->currentEvent.button.y));
+        m_input->MouseMove({ m_private->currentEvent.button.x, m_private->currentEvent.button.y });
     }
     else if (m_private->currentEvent.type == SDL_JOYAXISMOTION)
     {
@@ -1627,19 +1626,21 @@ Gfx::DeviceConfig CApplication::GetVideoConfig() const
     return m_deviceConfig;
 }
 
-void CApplication::GetVideoResolutionList(std::vector<Math::IntPoint> &resolutions, int display) const
+std::vector<glm::ivec2> CApplication::GetVideoResolutionList(int display) const
 {
-    resolutions.clear();
+    std::vector<glm::ivec2> resolutions;
 
     for(int i = 0; i < SDL_GetNumDisplayModes(display); i++)
     {
         SDL_DisplayMode mode;
         SDL_GetDisplayMode(display, i, &mode);
-        Math::IntPoint resolution = Math::IntPoint(mode.w, mode.h);
+        glm::ivec2 resolution = { mode.w, mode.h };
 
         if (std::find(resolutions.begin(), resolutions.end(), resolution) == resolutions.end())
             resolutions.push_back(resolution);
     }
+
+    return resolutions;
 }
 
 void CApplication::SetDebugModeActive(DebugMode mode, bool active)
@@ -1713,7 +1714,7 @@ MouseMode CApplication::GetMouseMode() const
 
 void CApplication::MoveMouse(Math::Point pos)
 {
-    Math::IntPoint windowPos = m_engine->InterfaceToWindowCoords(pos);
+    glm::ivec2 windowPos = m_engine->InterfaceToWindowCoords(pos);
     m_input->MouseMove(windowPos);
     SDL_WarpMouseInWindow(m_private->window, windowPos.x, windowPos.y);
 }
diff --git a/src/app/app.h b/src/app/app.h
index 14f8d6fb..dc6f95d9 100644
--- a/src/app/app.h
+++ b/src/app/app.h
@@ -32,7 +32,8 @@
 #include "graphics/core/device.h"
 
 #include "level/level_category.h"
-#include "math/intpoint.h"
+
+#include <glm/glm.hpp>
 
 #include <string>
 #include <vector>
@@ -184,7 +185,7 @@ public:
     const std::string& GetErrorMessage() const;
 
     //! Returns a list of possible video modes
-    void        GetVideoResolutionList(std::vector<Math::IntPoint> &resolutions, int display = 0) const;
+    std::vector<glm::ivec2> GetVideoResolutionList(int display = 0) const;
 
     //! Returns the current video mode
     Gfx::DeviceConfig GetVideoConfig() const;
diff --git a/src/object/motion/motiontoto.cpp b/src/object/motion/motiontoto.cpp
index 5901a25b..80f1bef9 100644
--- a/src/object/motion/motiontoto.cpp
+++ b/src/object/motion/motiontoto.cpp
@@ -237,7 +237,7 @@ bool CMotionToto::EventFrame(const Event &event)
     Math::Vector        eye, lookat, dir, perp, nPos, aPos, pos, speed;
     Math::Vector        vibLin, vibCir, dirSpeed, aAntenna;
     Math::Point         dim;
-    Math::IntPoint           wDim;
+    glm::ivec2          wDim;
     Gfx::ParticleType   type;
     float           progress, focus, distance, shift, verti, level, zoom;
     float           aAngle, nAngle, mAngle, angle, linSpeed, cirSpeed;
diff --git a/src/object/task/taskgoto.cpp b/src/object/task/taskgoto.cpp
index 0964a2e5..5b55fac8 100644
--- a/src/object/task/taskgoto.cpp
+++ b/src/object/task/taskgoto.cpp
@@ -114,7 +114,7 @@ bool CTaskGoto::EventProcess(const Event &event)
         {
             if (m_bmArray != nullptr)
             {
-                std::unique_ptr<CImage> debugImage = MakeUnique<CImage>(Math::IntPoint(m_bmSize, m_bmSize));
+                std::unique_ptr<CImage> debugImage = MakeUnique<CImage>(glm::ivec2(m_bmSize, m_bmSize));
                 debugImage->Fill(Gfx::IntColor(255, 255, 255, 255));
                 for (int x = 0; x < m_bmSize; x++)
                 {
@@ -126,7 +126,7 @@ bool CTaskGoto::EventProcess(const Event &event)
                         {
                             Gfx::Color c = Gfx::Color(0.0f, 0.0f, 0.0f, 1.0f);
                             if (b) c = Gfx::Color(0.0f, 0.0f, 1.0f, 1.0f);
-                            debugImage->SetPixel(Math::IntPoint(x, y), c);
+                            debugImage->SetPixel({ x, y }, c);
                         }
                     }
                 }
diff --git a/src/ui/controls/map.cpp b/src/ui/controls/map.cpp
index 386dae49..33c770b2 100644
--- a/src/ui/controls/map.cpp
+++ b/src/ui/controls/map.cpp
@@ -1031,7 +1031,7 @@ void CMap::UpdateTerrain()
 {
     if (! m_fixImage.empty()) return;  // still image?
 
-    CImage img(Math::IntPoint(256, 256));
+    CImage img(glm::ivec2(256, 256));
 
     float scale = m_terrain->GetReliefScale();
     float water = m_water->GetLevel();
@@ -1077,7 +1077,7 @@ void CMap::UpdateTerrain()
                 color.b = Math::Norm(m_waterColor.b + (intensity - 0.5f));
             }
 
-            img.SetPixel(Math::IntPoint(x, y), color);
+            img.SetPixel({ x, y }, color);
         }
     }
 
diff --git a/src/ui/displayinfo.cpp b/src/ui/displayinfo.cpp
index 1dfc8bac..2a91e125 100644
--- a/src/ui/displayinfo.cpp
+++ b/src/ui/displayinfo.cpp
@@ -890,7 +890,6 @@ void CDisplayInfo::ViewDisplayInfo()
 {
     Ui::CWindow*    pw;
     Ui::CEdit*      edit;
-    Math::IntPoint       dim;
 
     pw = static_cast<Ui::CWindow*>(m_interface->SearchControl(EVENT_WINDOW4));
     if ( pw == nullptr )  return;
@@ -898,7 +897,7 @@ void CDisplayInfo::ViewDisplayInfo()
     edit = static_cast<Ui::CEdit*>(pw->SearchControl(EVENT_EDIT1));
     if ( edit == nullptr )  return;
 
-    dim = m_engine->GetWindowSize();
+    auto dim = m_engine->GetWindowSize();
     edit->SetFontSize(CSettings::GetInstancePointer()->GetFontSize()/(dim.x / 640.0f));
 }
 
diff --git a/src/ui/mainshort.cpp b/src/ui/mainshort.cpp
index 4f5e89e6..dfa5f38d 100644
--- a/src/ui/mainshort.cpp
+++ b/src/ui/mainshort.cpp
@@ -89,7 +89,7 @@ bool CMainShort::CreateShortcuts()
     m_shortcuts.clear();
 
 
-    Math::IntPoint size = m_engine->GetWindowSize();
+    glm::ivec2 size = m_engine->GetWindowSize();
     float ratio = static_cast<float>(size.y) / static_cast<float>(size.x);
 
     // Display pause / movie indicator
diff --git a/src/ui/screen/screen_setup_display.cpp b/src/ui/screen/screen_setup_display.cpp
index d25c3492..00f86e14 100644
--- a/src/ui/screen/screen_setup_display.cpp
+++ b/src/ui/screen/screen_setup_display.cpp
@@ -64,8 +64,8 @@ void CScreenSetupDisplay::CreateInterface()
     pw = static_cast<CWindow*>(m_interface->SearchControl(EVENT_WINDOW5));
     if ( pw == nullptr )  return;
 
-    std::vector<Math::IntPoint> modes;
-    m_app->GetVideoResolutionList(modes);
+    auto modes = m_app->GetVideoResolutionList();
+
     for (auto it = modes.begin(); it != modes.end(); ++it)
     {
         if (it->x == m_app->GetVideoConfig().size.x && it->y == m_app->GetVideoConfig().size.y)
@@ -218,10 +218,9 @@ static int GCD(int a, int b)
     return (b == 0) ? a : GCD(b, a%b);
 }
 
-static Math::IntPoint AspectRatio(Math::IntPoint resolution)
+static glm::ivec2 AspectRatio(const glm::ivec2& resolution)
 {
-    int gcd = GCD(resolution.x, resolution.y);
-    return Math::IntPoint(static_cast<float>(resolution.x) / gcd, static_cast<float>(resolution.y) / gcd);
+    return resolution / GCD(resolution.x, resolution.y);
 }
 
 void CScreenSetupDisplay::UpdateDisplayMode()
@@ -235,14 +234,14 @@ void CScreenSetupDisplay::UpdateDisplayMode()
     if ( pl == nullptr )  return;
     pl->Flush();
 
-    std::vector<Math::IntPoint> modes;
-    m_app->GetVideoResolutionList(modes);
+    auto modes = m_app->GetVideoResolutionList();
+
     int i = 0;
     std::stringstream mode_text;
-    for (Math::IntPoint mode : modes)
+    for (const auto& mode : modes)
     {
         mode_text.str("");
-        Math::IntPoint aspect = AspectRatio(mode);
+        glm::ivec2 aspect = AspectRatio(mode);
         mode_text << mode.x << "x" << mode.y << " [" << aspect.x << ":" << aspect.y << "]";
         pl->SetItemName(i++, mode_text.str());
     }
@@ -272,8 +271,7 @@ void CScreenSetupDisplay::ChangeDisplay()
     bFull = pc->TestState(STATE_CHECK);
     m_setupFull = bFull;
 
-    std::vector<Math::IntPoint> modes;
-    m_app->GetVideoResolutionList(modes);
+    auto modes = m_app->GetVideoResolutionList();
 
     Gfx::DeviceConfig config = m_app->GetVideoConfig();
     config.size = modes[m_setupSelMode];
diff --git a/src/ui/studio.cpp b/src/ui/studio.cpp
index 39d99ba8..10db1c00 100644
--- a/src/ui/studio.cpp
+++ b/src/ui/studio.cpp
@@ -1111,7 +1111,6 @@ void CStudio::ViewEditScript()
 {
     CWindow*    pw;
     CEdit*      edit;
-    Math::IntPoint dim;
 
     pw = static_cast< CWindow* >(m_interface->SearchControl(EVENT_WINDOW3));
     if ( pw == nullptr )  return;
@@ -1119,7 +1118,7 @@ void CStudio::ViewEditScript()
     edit = static_cast< CEdit* >(pw->SearchControl(EVENT_STUDIO_EDIT));
     if ( edit == nullptr )  return;
 
-    dim = m_engine->GetWindowSize();
+    glm::ivec2 dim = m_engine->GetWindowSize();
     edit->SetFontSize(m_settings->GetFontSize()/(dim.x/640.0f));
 }