BACKENDS: Simplify setGraphicsMode on GPH, Dingux and LinuxMoto

2 files changed, 7 insertions, 26 deletions

diff --git a/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp b/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
index b1a69b27e4..5cfcdcfcb8 100644
--- a/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
+++ b/backends/graphics/dinguxsdl/dinguxsdl-graphics.cpp
@@ -51,39 +51,20 @@ int DINGUXSdlGraphicsManager::getDefaultGraphicsMode() const {
 	return GFX_NORMAL;
 }
 
-bool DINGUXSdlGraphicsManager::setGraphicsMode(int mode) {
-	Common::StackLock lock(_graphicsMutex);
-
-	assert(_transactionMode == kTransactionActive);
-
-	if (_oldVideoMode.setup && _oldVideoMode.mode == mode)
-		return true;
-
-	int newScaleFactor = 1;
-
+int DINGUXSdlGraphicsManager::getGraphicsModeScale(int mode) const {
+	int scale;
 	switch (mode) {
 	case GFX_NORMAL:
-		newScaleFactor = 1;
-		break;
 #ifdef USE_SCALERS
 	case GFX_HALF:
-		newScaleFactor = 1;
-		break;
 #endif
+		scale = 1;
+		break;
 	default:
-		warning("unknown gfx mode %d", mode);
-		return false;
+		scale = -1;
 	}
 
-	if (_oldVideoMode.setup && _oldVideoMode.scaleFactor != newScaleFactor)
-		_transactionDetails.needHotswap = true;
-
-	_transactionDetails.needUpdatescreen = true;
-
-	_videoMode.mode = mode;
-	_videoMode.scaleFactor = newScaleFactor;
-
-	return true;
+	return scale;
 }
 
 void DINGUXSdlGraphicsManager::setGraphicsModeIntern() {
diff --git a/backends/graphics/dinguxsdl/dinguxsdl-graphics.h b/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
index 71910904d5..a8228cf991 100644
--- a/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
+++ b/backends/graphics/dinguxsdl/dinguxsdl-graphics.h
@@ -43,7 +43,7 @@ public:
 
 	void initSize(uint w, uint h, const Graphics::PixelFormat *format = NULL) override;
 	const OSystem::GraphicsMode *getSupportedGraphicsModes() const override;
-	bool setGraphicsMode(int mode) override;
+	int getGraphicsModeScale(int mode) const override;
 	void setGraphicsModeIntern() override;
 	void internUpdateScreen() override;
 	void showOverlay() override;