From 10754745a97c99449ef40db58bd425f5a91f9993 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Wed, 4 Mar 2026 19:50:28 +0000
Subject: render/cm: add ICC profile pipeline (#12711)

Adds an ICC profile pipeline, loading via config and applying via 3D LUTs.
---
 src/protocols/GammaControl.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/protocols/GammaControl.cpp')

diff --git a/src/protocols/GammaControl.cpp b/src/protocols/GammaControl.cpp
index 2517c754..c28b881f 100644
--- a/src/protocols/GammaControl.cpp
+++ b/src/protocols/GammaControl.cpp
@@ -56,6 +56,12 @@ CGammaControl::CGammaControl(SP<CZwlrGammaControlV1> resource_, wl_resource* out
 
         LOGM(Log::DEBUG, "setGamma for {}", m_monitor->m_name);
 
+        if UNLIKELY (m_monitor->gammaRampsInUse()) {
+            LOGM(Log::ERR, "Monitor has gamma ramps in use (ICC?)");
+            m_resource->sendFailed();
+            return;
+        }
+
         // TODO: make CFileDescriptor getflags use F_GETFL
         int fdFlags = fcntl(gammaFd.get(), F_GETFL, 0);
         if UNLIKELY (fdFlags < 0) {
-- 
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