Support larger framebuffers of HiDPI displays

Signed-off-by: Mel <mel@rnrd.eu>

3 files changed, 8 insertions, 1 deletions

diff --git a/src/GFX/Window.cpp b/src/GFX/Window.cpp
index 75e7613..7d0f5b3 100644
--- a/src/GFX/Window.cpp
+++ b/src/GFX/Window.cpp
@@ -58,6 +58,10 @@ void Window::on_size_change(void (callback)(GLFWwindow*, I32, I32)) const {
     glfwSetFramebufferSizeCallback(m_window, callback);
 }
 
+void Window::framebuffer_size(I32& width, I32& height) const {
+    glfwGetFramebufferSize(m_window, &width, &height);
+}
+
 void Window::attach() const {
     glfwMakeContextCurrent(m_window);
 }
diff --git a/src/GFX/Window.hpp b/src/GFX/Window.hpp
index 86920b5..99824b1 100644
--- a/src/GFX/Window.hpp
+++ b/src/GFX/Window.hpp
@@ -15,6 +15,7 @@ public:
     PURE GLFWwindow* get() const;
 
     void on_size_change(void (* callback)(GLFWwindow*, I32, I32)) const;
+    void framebuffer_size(I32& width, I32& height) const;
 
     void attach() const;
     void detach() const;
diff --git a/src/Render.cpp b/src/Render.cpp
index 1089ad4..5293e9c 100644
--- a/src/Render.cpp
+++ b/src/Render.cpp
@@ -21,7 +21,9 @@ void Render::run() {
 
     m_resources.initialize();
 
-    glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
+    I32 framebuffer_width, framebuffer_height;
+    m_window.framebuffer_size(framebuffer_width, framebuffer_height);
+    glViewport(0, 0, framebuffer_width, framebuffer_height);
     m_window.on_size_change([](GLFWwindow* _, I32 w, I32 h) {
         glViewport(0, 0, w, h);
     });