From 2e5e800e4b334240689df5a4c2c4607f751da908 Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Thu, 26 Mar 2026 02:48:06 +0300
Subject: renderer/cm: Support wp-cm-v1 version 2 (#12817)

---
 src/helpers/cm/ColorManagement.cpp |  6 +++---
 src/helpers/cm/ColorManagement.hpp | 20 +++++++++++++-------
 2 files changed, 16 insertions(+), 10 deletions(-)

(limited to 'src/helpers')

diff --git a/src/helpers/cm/ColorManagement.cpp b/src/helpers/cm/ColorManagement.cpp
index bac9f25a..829adbe7 100644
--- a/src/helpers/cm/ColorManagement.cpp
+++ b/src/helpers/cm/ColorManagement.cpp
@@ -72,7 +72,7 @@ const Hyprgraphics::CMatrix3& CPrimaries::convertMatrix(const WP<const CPrimarie
     return primariesConversion[cacheKey];
 }
 
-CImageDescription::CImageDescription(const SImageDescription& imageDescription, const uint32_t imageDescriptionId) :
+CImageDescription::CImageDescription(const SImageDescription& imageDescription, const uint64_t imageDescriptionId) :
     m_id(imageDescriptionId), m_imageDescription(imageDescription) {
     m_primariesId = CPrimaries::from(m_imageDescription.getPrimaries())->id();
 }
@@ -87,7 +87,7 @@ PImageDescription CImageDescription::from(const SImageDescription& imageDescript
     return knownDescriptions.back();
 }
 
-PImageDescription CImageDescription::from(const uint32_t imageDescriptionId) {
+PImageDescription CImageDescription::from(const uint64_t imageDescriptionId) {
     ASSERT(imageDescriptionId <= knownDescriptions.size());
     return knownDescriptions[imageDescriptionId - 1];
 }
@@ -102,7 +102,7 @@ const SImageDescription& CImageDescription::value() const {
     return m_imageDescription;
 }
 
-uint CImageDescription::id() const {
+uint64_t CImageDescription::id() const {
     return m_id;
 }
 
diff --git a/src/helpers/cm/ColorManagement.hpp b/src/helpers/cm/ColorManagement.hpp
index 0103e2a4..0bb80f42 100644
--- a/src/helpers/cm/ColorManagement.hpp
+++ b/src/helpers/cm/ColorManagement.hpp
@@ -65,10 +65,16 @@ namespace NColorManagement {
         return sc<ePrimaries>(primaries);
     }
     inline wpColorManagerV1TransferFunction convertTransferFunction(eTransferFunction tf) {
-        return sc<wpColorManagerV1TransferFunction>(tf);
+        switch (tf) {
+            case CM_TRANSFER_FUNCTION_SRGB: return WP_COLOR_MANAGER_V1_TRANSFER_FUNCTION_COMPOUND_POWER_2_4;
+            default: return sc<wpColorManagerV1TransferFunction>(tf);
+        }
     }
     inline eTransferFunction convertTransferFunction(wpColorManagerV1TransferFunction tf) {
-        return sc<eTransferFunction>(tf);
+        switch (tf) {
+            case WP_COLOR_MANAGER_V1_TRANSFER_FUNCTION_COMPOUND_POWER_2_4: return CM_TRANSFER_FUNCTION_SRGB;
+            default: return sc<eTransferFunction>(tf);
+        }
     }
 
     using SPCPRimaries = Hyprgraphics::SPCPRimaries;
@@ -304,19 +310,19 @@ namespace NColorManagement {
     class CImageDescription {
       public:
         static WP<const CImageDescription> from(const SImageDescription& imageDescription);
-        static WP<const CImageDescription> from(const uint32_t imageDescriptionId);
+        static WP<const CImageDescription> from(const uint64_t imageDescriptionId);
 
         WP<const CImageDescription>        with(const SImageDescription::SPCLuminances& luminances) const;
 
         const SImageDescription&           value() const;
-        uint32_t                           id() const;
+        uint64_t                           id() const;
 
         WP<const CPrimaries>               getPrimaries() const;
 
       private:
-        CImageDescription(const SImageDescription& imageDescription, const uint imageDescriptionId);
-        uint32_t          m_id          = 0;
-        uint32_t          m_primariesId = 0;
+        CImageDescription(const SImageDescription& imageDescription, const uint64_t imageDescriptionId);
+        uint64_t          m_id          = 0;
+        uint              m_primariesId = 0;
         SImageDescription m_imageDescription;
     };
 
-- 
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