OPENGL: Implement high DPI support on Android (#1895)

* OPENGL: Implement high DPI support on Android

* PSP2: Fix build

1 files changed, 12 insertions, 3 deletions

diff --git a/backends/graphics/windowed.h b/backends/graphics/windowed.h
index 74933a1727..549739d987 100644
--- a/backends/graphics/windowed.h
+++ b/backends/graphics/windowed.h
@@ -49,6 +49,8 @@ public:
 		_cursorVisible(false),
 		_cursorX(0),
 		_cursorY(0),
+		_xdpi(90),
+		_ydpi(90),
 		_cursorNeedsRedraw(false),
 		_cursorLastInActiveArea(true) {}
 
@@ -93,7 +95,7 @@ protected:
 	 * Backend-specific implementation for updating internal surfaces that need
 	 * to reflect the new window size.
 	 */
-	virtual void handleResizeImpl(const int width, const int height) = 0;
+	virtual void handleResizeImpl(const int width, const int height, const int xdpi, const int ydpi) = 0;
 
 	/**
 	 * Converts the given point from the active virtual screen's coordinate
@@ -172,10 +174,12 @@ protected:
 	 * @param width The new width of the window, excluding window decoration.
 	 * @param height The new height of the window, excluding window decoration.
 	 */
-	void handleResize(const int width, const int height) {
+	void handleResize(const int width, const int height, const int xdpi, const int ydpi) {
 		_windowWidth = width;
 		_windowHeight = height;
-		handleResizeImpl(width, height);
+		_xdpi = xdpi;
+		_ydpi = ydpi;
+		handleResizeImpl(width, height, xdpi, ydpi);
 	}
 
 	/**
@@ -276,6 +280,11 @@ protected:
 	int _windowHeight;
 
 	/**
+	 * The DPI of the window.
+	 */
+	int _xdpi, _ydpi;
+
+	/**
 	 * Whether the overlay (i.e. launcher, including the out-of-game launcher)
 	 * is visible or not.
 	 */