3 files changed, 12 insertions, 2 deletions
diff --git a/backends/graphics/opengl/opengl-graphics.cpp b/backends/graphics/opengl/opengl-graphics.cpp
index a920aaffbf..187a7aec26 100644
--- a/backends/graphics/opengl/opengl-graphics.cpp
+++ b/backends/graphics/opengl/opengl-graphics.cpp
@@ -48,7 +48,8 @@ OpenGLGraphicsManager::OpenGLGraphicsManager()
 	_cursorVisible(false), _cursorKeyColor(0),
 	_cursorTargetScale(1),
 	_formatBGR(false),
-	_displayX(0), _displayY(0), _displayWidth(0), _displayHeight(0) {
+	_displayX(0), _displayY(0), _displayWidth(0), _displayHeight(0),
+	_aspectRatioCorrection(false) {
 
 	memset(&_oldVideoMode, 0, sizeof(_oldVideoMode));
 	memset(&_videoMode, 0, sizeof(_videoMode));
@@ -95,7 +96,8 @@ bool OpenGLGraphicsManager::hasFeature(OSystem::Feature f) {
 void OpenGLGraphicsManager::setFeatureState(OSystem::Feature f, bool enable) {
 	switch (f) {
 	case OSystem::kFeatureAspectRatioCorrection:
-		setGraphicsMode(enable ? OpenGL::GFX_CONSERVE : OpenGL::GFX_NORMAL);
+		_videoMode.mode = OpenGL::GFX_4_3;
+		_aspectRatioCorrection = enable;
 		break;
 	default:
 		break;
@@ -1293,6 +1295,7 @@ void OpenGLGraphicsManager::switchDisplayMode(int mode) {
 			_videoMode.mode = mode;
 
 		_transactionDetails.needRefresh = true;
+		_aspectRatioCorrection = false;
 	}
 }
 
diff --git a/backends/graphics/opengl/opengl-graphics.h b/backends/graphics/opengl/opengl-graphics.h
index f4e26f43ec..460b3806e8 100644
--- a/backends/graphics/opengl/opengl-graphics.h
+++ b/backends/graphics/opengl/opengl-graphics.h
@@ -189,6 +189,8 @@ protected:
 	virtual void calculateDisplaySize(int &width, int &height);
 	virtual void refreshDisplaySize();
 
+	bool _aspectRatioCorrection;
+
 	/**
 	 * Returns the current target aspect ratio x 10000
 	 */
diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index c10dbf0d8f..447bc77afe 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -315,6 +315,10 @@ bool OpenGLSdlGraphicsManager::setupFullscreenMode() {
 }
 
 bool OpenGLSdlGraphicsManager::loadGFXMode() {
+	// Force 4/3 if feature enabled
+	if (_aspectRatioCorrection)
+		_videoMode.mode = OpenGL::GFX_4_3;
+
 	_videoMode.overlayWidth = _videoMode.screenWidth * _videoMode.scaleFactor;
 	_videoMode.overlayHeight = _videoMode.screenHeight * _videoMode.scaleFactor;
 
@@ -587,6 +591,7 @@ bool OpenGLSdlGraphicsManager::notifyEvent(const Common::Event &event) {
 					beginGFXTransaction();
 						_videoMode.mode = sdlKey - (isNormalNumber ? SDLK_1 : SDLK_KP1);
 						_transactionDetails.needRefresh = true;
+						_aspectRatioCorrection = false;
 					endGFXTransaction();
 #ifdef USE_OSD
 					if (lastMode != _videoMode.mode)