[FS] Implement SaveData sort of.

src/core/renderer_gl/renderer_gl.cpp

@@ -441,4 +441,12 @@ OpenGL::Texture Renderer::getTexture(Texture& tex) {
 
 		return newTex.texture;
 	}
+}
+
+void Renderer::displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32 outputSize, u32 flags) {
+	const u32 inputWidth = inputSize & 0xffff;
+	const u32 inputGap = inputSize >> 16;
+
+	const u32 outputWidth = outputSize & 0xffff;
+	const u32 outputGap = outputSize >> 16;
 }