OSYSTEM: Add Stretch Mode API

3 files changed, 27 insertions, 0 deletions

diff --git a/backends/graphics/graphics.h b/backends/graphics/graphics.h
index d5c36c13c4..e7be2369ed 100644
--- a/backends/graphics/graphics.h
+++ b/backends/graphics/graphics.h
@@ -53,6 +53,13 @@ public:
 	};
 	virtual bool setShader(int id) { return false; }
 	virtual int getShader() const { return 0; }
+	virtual const OSystem::GraphicsMode *getSupportedStretchModes() const {
+		static const OSystem::GraphicsMode noStretchModes[] = {{"NONE", "Normal", 0}, {nullptr, nullptr, 0 }};
+		return noStretchModes;
+	}
+	virtual int getDefaultStretchMode() const { return 0; }
+	virtual bool setStretchMode(int mode) { return false; }
+	virtual int getStretchMode() const { return 0; }
 
 #ifdef USE_RGB_COLOR
 	virtual Graphics::PixelFormat getScreenFormat() const = 0;
diff --git a/backends/modular-backend.cpp b/backends/modular-backend.cpp
index 944ddd5a47..2c6aaba5a8 100644
--- a/backends/modular-backend.cpp
+++ b/backends/modular-backend.cpp
@@ -93,6 +93,22 @@ int ModularBackend::getShader() const {
 	return _graphicsManager->getShader();
 }
 
+const OSystem::GraphicsMode *ModularBackend::getSupportedStretchModes() const {
+	return _graphicsManager->getSupportedStretchModes();
+}
+
+int ModularBackend::getDefaultStretchMode() const {
+	return _graphicsManager->getDefaultStretchMode();
+}
+
+bool ModularBackend::setStretchMode(int mode) {
+	return _graphicsManager->setStretchMode(mode);
+}
+
+int ModularBackend::getStretchMode() const {
+	return _graphicsManager->getStretchMode();
+}
+
 void ModularBackend::resetGraphicsScale() {
 	_graphicsManager->resetGraphicsScale();
 }
diff --git a/backends/modular-backend.h b/backends/modular-backend.h
index fa34f2921f..ead559cd8b 100644
--- a/backends/modular-backend.h
+++ b/backends/modular-backend.h
@@ -69,6 +69,10 @@ public:
 	virtual const GraphicsMode *getSupportedShaders() const override;
 	virtual int getShader() const override;
 	virtual bool setShader(int id) override;
+	virtual const GraphicsMode *getSupportedStretchModes() const override;
+	virtual int getDefaultStretchMode() const override;
+	virtual bool setStretchMode(int mode) override;
+	virtual int getStretchMode() const override;
 	virtual void resetGraphicsScale() override;
 #ifdef USE_RGB_COLOR
 	virtual Graphics::PixelFormat getScreenFormat() const override;