diff --git a/common/map_view.cpp b/common/map_view.cpp
index 5119b3134..e151964e3 100644
--- a/common/map_view.cpp
+++ b/common/map_view.cpp
@@ -68,12 +68,10 @@ public:
         glfwSetKeyCallback(window, key);
     }
 
-
     static void character(GLFWwindow *window, unsigned int codepoint) {
 
     }
 
-
     static void key(GLFWwindow *window, int key, int scancode, int action, int mods) {
         MapView *mapView = (MapView *)glfwGetWindowUserPointer(window);
 
@@ -95,7 +93,6 @@ public:
         }
     }
 
-
     static void scroll(GLFWwindow *window, double xoffset, double yoffset) {
         MapView *mapView = (MapView *)glfwGetWindowUserPointer(window);
         double delta = yoffset * 40;
@@ -234,3 +231,38 @@ public:
     llmr::Settings& settings;
     llmr::Map map;
 };
+
+namespace llmr {
+namespace platform {
+
+double time() {
+    return glfwGetTime();
+}
+
+
+void show_debug_image(std::string name, const char *data, size_t width, size_t height) {
+    static GLFWwindow *debug_window = nullptr;
+    if (!debug_window) {
+        debug_window = glfwCreateWindow(width, height, name.c_str(), nullptr, nullptr);
+        if (!debug_window) {
+            glfwTerminate();
+            fprintf(stderr, "Failed to initialize window\n");
+            exit(1);
+        }
+    }
+
+    GLFWwindow *current_window = glfwGetCurrentContext();
+
+    glfwSetWindowSize(debug_window, width, height);
+    glfwMakeContextCurrent(debug_window);
+
+    glPixelZoom(1.0, -1.0);
+    glRasterPos2f(-1.0f, 1.0f);
+    glDrawPixels(width, height, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
+    glfwSwapBuffers(debug_window);
+
+    glfwMakeContextCurrent(current_window);
+}
+
+}
+}
diff --git a/include/llmr/platform/platform.hpp b/include/llmr/platform/platform.hpp
index 806c69f8d..bb9e619cb 100644
--- a/include/llmr/platform/platform.hpp
+++ b/include/llmr/platform/platform.hpp
@@ -34,6 +34,9 @@ double time();
 // Performs routine cleanup operation and is called on every loop iteration.
 void cleanup();
 
+// Shows an RGBA image with the specified dimensions in a named window.
+void show_debug_image(std::string name, const char *data, size_t width, size_t height);
+
 }
 
 }
diff --git a/linux/main.cpp b/linux/main.cpp
index 9e2c24001..51d31bd0b 100644
--- a/linux/main.cpp
+++ b/linux/main.cpp
@@ -110,9 +110,5 @@ void cancel_request_http(Request *request) {
     }
 }
 
-double time() {
-    return glfwGetTime();
-}
-
 }
 }
diff --git a/macosx/main.mm b/macosx/main.mm
index 48d8aee63..705bff8ff 100644
--- a/macosx/main.mm
+++ b/macosx/main.mm
@@ -84,9 +84,5 @@ void cancel_request_http(Request *request)
     }];
 }
 
-double time() {
-    return glfwGetTime();
-}
-
 }
 }
diff --git a/src/geometry/glyph_atlas.cpp b/src/geometry/glyph_atlas.cpp
index ef55d268e..05ede1476 100644
--- a/src/geometry/glyph_atlas.cpp
+++ b/src/geometry/glyph_atlas.cpp
@@ -1,6 +1,7 @@
 #include <llmr/geometry/glyph_atlas.hpp>
 #include <llmr/map/vector_tile.hpp>
 #include <llmr/platform/gl.hpp>
+#include <llmr/platform/platform.hpp>
 
 #include <cassert>
 #include <algorithm>
@@ -135,5 +136,7 @@ void GlyphAtlas::bind() {
         std::lock_guard<std::mutex> lock(mtx);
         glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, data);
         dirty = false;
+
+        platform::show_debug_image("Glyph Atlas", data, width, height);
     }
 };
diff --git a/src/map/map.cpp b/src/map/map.cpp
index 3d6236827..1a9e6c609 100644
--- a/src/map/map.cpp
+++ b/src/map/map.cpp
@@ -432,6 +432,8 @@ bool Map::render() {
         transform.updateAnimations();
     }
 
+    glyphAtlas.bind();
+
     bool changed = updateTiles();
 
     painter.clear();