sokol_app.h emsc: use roundf() for window/framebuffer size computations

sokol_app.h

@@ -4860,19 +4860,19 @@ _SOKOL_PRIVATE EM_BOOL _sapp_emsc_size_changed(int event_type, const EmscriptenU
         w = ui_event->windowInnerWidth;
     }
     else {
-        _sapp.window_width = (int) w;
+        _sapp.window_width = (int)roundf(w);
     }
     if (h < 1.0) {
         h = ui_event->windowInnerHeight;
     }
     else {
-        _sapp.window_height = (int) h;
+        _sapp.window_height = (int)roundf(h);
     }
     if (_sapp.desc.high_dpi) {
         _sapp.dpi_scale = emscripten_get_device_pixel_ratio();
     }
-    _sapp.framebuffer_width = (int) (w * _sapp.dpi_scale);
-    _sapp.framebuffer_height = (int) (h * _sapp.dpi_scale);
+    _sapp.framebuffer_width = (int)roundf(w * _sapp.dpi_scale);
+    _sapp.framebuffer_height = (int)roundf(h * _sapp.dpi_scale);
     SOKOL_ASSERT((_sapp.framebuffer_width > 0) && (_sapp.framebuffer_height > 0));
     emscripten_set_canvas_element_size(_sapp.html5_canvas_selector, _sapp.framebuffer_width, _sapp.framebuffer_height);
     #if defined(SOKOL_WGPU)
@@ -5577,10 +5577,10 @@ _SOKOL_PRIVATE void _sapp_emsc_run(const sapp_desc* desc) {
     if (_sapp.desc.high_dpi) {
         _sapp.dpi_scale = emscripten_get_device_pixel_ratio();
     }
-    _sapp.window_width = (int) w;
-    _sapp.window_height = (int) h;
-    _sapp.framebuffer_width = (int) (w * _sapp.dpi_scale);
-    _sapp.framebuffer_height = (int) (h * _sapp.dpi_scale);
+    _sapp.window_width = (int)roundf(w);
+    _sapp.window_height = (int)roundf(h);
+    _sapp.framebuffer_width = (int)roundf(w * _sapp.dpi_scale);
+    _sapp.framebuffer_height = (int)roundf(h * _sapp.dpi_scale);
     emscripten_set_canvas_element_size(_sapp.html5_canvas_selector, _sapp.framebuffer_width, _sapp.framebuffer_height);
     #if defined(SOKOL_GLES2) || defined(SOKOL_GLES3)
         _sapp_emsc_webgl_init();