diff --git a/backends/graphics/openglsdl/openglsdl-graphics.cpp b/backends/graphics/openglsdl/openglsdl-graphics.cpp
index 97c6d6d624e..e1a0ea145bf 100644
--- a/backends/graphics/openglsdl/openglsdl-graphics.cpp
+++ b/backends/graphics/openglsdl/openglsdl-graphics.cpp
@@ -155,11 +155,7 @@ void OpenGLSdlGraphicsManager::setupScreen(uint gameWidth, uint gameHeight, bool
 	initializeOpenGLContext();
 	_surfaceRenderer = OpenGL::createBestSurfaceRenderer();
 
-#ifdef SCUMM_BIG_ENDIAN
-	_overlayFormat = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
-#else
-	_overlayFormat = Graphics::PixelFormat(4, 8, 8, 8, 8, 0, 8, 16, 24);
-#endif
+	_overlayFormat = OpenGL::Texture::getRGBAPixelFormat();
 	_overlayScreen = new OpenGL::TiledSurface(effectiveWidth, effectiveHeight, _overlayFormat);
 
 	_overlayWidth = effectiveWidth;
diff --git a/graphics/opengl/texture.cpp b/graphics/opengl/texture.cpp
index 2906567a4a6..5e3acad8793 100644
--- a/graphics/opengl/texture.cpp
+++ b/graphics/opengl/texture.cpp
@@ -42,7 +42,7 @@ static T nextHigher2(T k) {
 	return k + 1;
 }
 
-static const Graphics::PixelFormat getRGBAPixelFormat() {
+const Graphics::PixelFormat Texture::getRGBAPixelFormat() {
 #ifdef SCUMM_BIG_ENDIAN
 	return Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
 #else
@@ -50,7 +50,7 @@ static const Graphics::PixelFormat getRGBAPixelFormat() {
 #endif
 }
 
-static const Graphics::PixelFormat get565PixelFormat() {
+const Graphics::PixelFormat Texture::get565PixelFormat() {
 	return Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
 }
 
diff --git a/graphics/opengl/texture.h b/graphics/opengl/texture.h
index 040f69361ba..bfe3247470a 100644
--- a/graphics/opengl/texture.h
+++ b/graphics/opengl/texture.h
@@ -42,6 +42,9 @@ public:
 	uint getTexWidth() const { return _texWidth; }
 	uint getTexHeight() const { return _texHeight; }
 
+	static const Graphics::PixelFormat getRGBAPixelFormat();
+	static const Graphics::PixelFormat get565PixelFormat();
+
 protected:
 	bool _managedTexture;
 	GLuint _texture;