From 2dd8236c225bfb731c82700cefb8b275f6b77b0f Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Mon, 10 Jul 2023 01:22:01 +0100
Subject: [PATCH] rendervulkan: Use native gamut wideness by default

---
 src/color_helpers.cpp | 8 ++++++++
 src/rendervulkan.hpp  | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/color_helpers.cpp b/src/color_helpers.cpp
index c9ad980..806d583 100644
--- a/src/color_helpers.cpp
+++ b/src/color_helpers.cpp
@@ -779,6 +779,10 @@ void buildSDRColorimetry( displaycolorimetry_t * pColorimetry, colormapping_t *p
 {
     if ( BIsWideGamut( nativeDisplayOutput) )
     {
+        // If not set, make it native.
+        if (flSDRGamutWideness < 0 )
+            flSDRGamutWideness = 1.0f;
+
         // 0.0: 709
         // 1.0: Native
         colormapping_t noRemap;
@@ -791,6 +795,10 @@ void buildSDRColorimetry( displaycolorimetry_t * pColorimetry, colormapping_t *p
     }
     else
     {
+        // If not set, make it native.
+        if (flSDRGamutWideness < 0 )
+            flSDRGamutWideness = 0.0f;
+
         // 0.0: Native
         // 0.5: Generic wide gamut display w/smooth mapping
         // 1.0: Generic wide gamut display w/harsh mapping
diff --git a/src/rendervulkan.hpp b/src/rendervulkan.hpp
index fad66d2..607264d 100644
--- a/src/rendervulkan.hpp
+++ b/src/rendervulkan.hpp
@@ -363,7 +363,7 @@ struct gamescope_color_mgmt_t
 	bool enabled;
 	uint32_t externalDirtyCtr;
 	nightmode_t nightmode;
-	float sdrGamutWideness; // user property to widen gamut
+	float sdrGamutWideness = -1; // user property to widen gamut
 	float flInternalDisplayBrightness = 500.f;
 	float flSDROnHDRBrightness = 203.f;
 	float flHDRInputGain = 1.f;