From a7203603fe2fab3b8d5bb40c317dfe049e6f5d75 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Fri, 28 Oct 2022 02:20:19 +0100
Subject: [PATCH] steamcompmgr: Add STRETCH scaling mode

---
 src/main.hpp         | 1 +
 src/steamcompmgr.cpp | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/src/main.hpp b/src/main.hpp
index b227d73..5034efa 100644
--- a/src/main.hpp
+++ b/src/main.hpp
@@ -34,6 +34,7 @@ enum class GamescopeUpscaleScaler : uint32_t
     INTEGER,
     FIT,
     FILL,
+    STRETCH,
 };
 
 extern GamescopeUpscaleFilter g_upscaleFilter;
diff --git a/src/steamcompmgr.cpp b/src/steamcompmgr.cpp
index 7ac5afe..7254bad 100644
--- a/src/steamcompmgr.cpp
+++ b/src/steamcompmgr.cpp
@@ -901,6 +901,13 @@ void calc_scale_factor(float &out_scale_x, float &out_scale_y, float sourceWidth
 	float XRatio = (float)g_nNestedWidth / sourceWidth;
 	float YRatio = (float)g_nNestedHeight / sourceHeight;
 
+	if (g_upscaleScaler == GamescopeUpscaleScaler::STRETCH)
+	{
+		out_scale_x = XRatio * XOutputRatio;
+		out_scale_y = YRatio * YOutputRatio;
+		return;
+	}
+
 	if (g_upscaleScaler != GamescopeUpscaleScaler::FILL)
 	{
 		out_scale_x = std::min(XRatio, YRatio);