From 108a28faa88745ee15de0c29990b3bda9a3ea9e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20K=C3=A4fer?= <mail@kkaefer.com>
Date: Wed, 9 Nov 2016 12:59:56 +0100
Subject: [PATCH] [android] update viewport size when framebuffer size changed

---
 platform/android/src/native_map_view.cpp | 6 ++++++
 platform/android/src/native_map_view.hpp | 1 +
 2 files changed, 7 insertions(+)

diff --git a/platform/android/src/native_map_view.cpp b/platform/android/src/native_map_view.cpp
index a47252506..f570f7e68 100755
--- a/platform/android/src/native_map_view.cpp
+++ b/platform/android/src/native_map_view.cpp
@@ -177,6 +177,11 @@ void NativeMapView::invalidate() {
 void NativeMapView::render() {
     activate();
 
+    if (framebufferSizeChanged) {
+        getContext().viewport = { 0, 0, getFramebufferSize() };
+        framebufferSizeChanged = false;
+    }
+
     updateViewBinding();
     map->render(*this);
 
@@ -688,6 +693,7 @@ void NativeMapView::resizeView(int w, int h) {
 void NativeMapView::resizeFramebuffer(int w, int h) {
     fbWidth = w;
     fbHeight = h;
+    framebufferSizeChanged = true;
     invalidate();
 }
 
diff --git a/platform/android/src/native_map_view.hpp b/platform/android/src/native_map_view.hpp
index 09619802c..18f9ebc14 100755
--- a/platform/android/src/native_map_view.hpp
+++ b/platform/android/src/native_map_view.hpp
@@ -90,6 +90,7 @@ private:
     int height = 0;
     int fbWidth = 0;
     int fbHeight = 0;
+    bool framebufferSizeChanged = true;
 
     int availableProcessors = 0;
     size_t totalMemory = 0;