From e3be3ca41eb3b72bb80f037ad22e94c2597d7c19 Mon Sep 17 00:00:00 2001
From: Julian Orth <ju.orth@gmail.com>
Date: Sun, 29 Mar 2026 15:51:33 +0200
Subject: [PATCH] cmm: add support for absolute_no_adaptation intent

---
 src/cmm/cmm_render_intent.rs                    |  9 ++++++++-
 src/ifs/color_management.rs                     |  1 +
 src/ifs/color_management/wp_color_manager_v1.rs | 10 +++++++---
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/cmm/cmm_render_intent.rs b/src/cmm/cmm_render_intent.rs
index e9c6d7fe..afb16a30 100644
--- a/src/cmm/cmm_render_intent.rs
+++ b/src/cmm/cmm_render_intent.rs
@@ -1,5 +1,6 @@
 use crate::{
     ifs::color_management::{
+        ABSOLUTE_NO_ADAPTATION_SINCE, RENDER_INTENT_ABSOLUTE_NO_ADAPTATION,
         RENDER_INTENT_PERCEPTUAL, RENDER_INTENT_RELATIVE, RENDER_INTENT_RELATIVE_BPC,
     },
     object::Version,
@@ -11,14 +12,18 @@ pub enum RenderIntent {
     Perceptual,
     Relative,
     RelativeBpc,
+    AbsoluteNoAdaptation,
 }
 
 impl RenderIntent {
-    pub fn from_wayland(intent: u32, _version: Version) -> Option<Self> {
+    pub fn from_wayland(intent: u32, version: Version) -> Option<Self> {
         let res = match intent {
             RENDER_INTENT_PERCEPTUAL => Self::Perceptual,
             RENDER_INTENT_RELATIVE => Self::Relative,
             RENDER_INTENT_RELATIVE_BPC => Self::RelativeBpc,
+            RENDER_INTENT_ABSOLUTE_NO_ADAPTATION if version >= ABSOLUTE_NO_ADAPTATION_SINCE => {
+                Self::AbsoluteNoAdaptation
+            }
             _ => return None,
         };
         Some(res)
@@ -29,6 +34,7 @@ impl RenderIntent {
             RenderIntent::Perceptual => true,
             RenderIntent::RelativeBpc => true,
             RenderIntent::Relative => false,
+            RenderIntent::AbsoluteNoAdaptation => false,
         }
     }
 
@@ -37,6 +43,7 @@ impl RenderIntent {
             RenderIntent::Perceptual => true,
             RenderIntent::RelativeBpc => true,
             RenderIntent::Relative => true,
+            RenderIntent::AbsoluteNoAdaptation => false,
         }
     }
 }
diff --git a/src/ifs/color_management.rs b/src/ifs/color_management.rs
index b739916d..d7295adb 100644
--- a/src/ifs/color_management.rs
+++ b/src/ifs/color_management.rs
@@ -13,6 +13,7 @@ pub mod wp_image_description_v1;
 const UNIQUE_CM_IDS_SINCE: Version = Version(2);
 const SRGB_DEPRECATED_SINCE: Version = Version(2);
 const COMPOUND_POWER_2_4_SINCE: Version = Version(2);
+pub const ABSOLUTE_NO_ADAPTATION_SINCE: Version = Version(2);
 
 const PRIMARIES_MUL: f64 = 1_000_000.0;
 const PRIMARIES_MUL_INV: f64 = 1.0 / PRIMARIES_MUL;
diff --git a/src/ifs/color_management/wp_color_manager_v1.rs b/src/ifs/color_management/wp_color_manager_v1.rs
index b644ed68..e3f920f3 100644
--- a/src/ifs/color_management/wp_color_manager_v1.rs
+++ b/src/ifs/color_management/wp_color_manager_v1.rs
@@ -4,9 +4,10 @@ use {
         globals::{Global, GlobalName},
         ifs::{
             color_management::{
-                COMPOUND_POWER_2_4_SINCE, FEATURE_EXTENDED_TARGET_VOLUME,
-                FEATURE_SET_MASTERING_DISPLAY_PRIMARIES, FEATURE_SET_TF_POWER,
-                RENDER_INTENT_RELATIVE, RENDER_INTENT_RELATIVE_BPC, SRGB_DEPRECATED_SINCE,
+                ABSOLUTE_NO_ADAPTATION_SINCE, COMPOUND_POWER_2_4_SINCE,
+                FEATURE_EXTENDED_TARGET_VOLUME, FEATURE_SET_MASTERING_DISPLAY_PRIMARIES,
+                FEATURE_SET_TF_POWER, RENDER_INTENT_ABSOLUTE_NO_ADAPTATION, RENDER_INTENT_RELATIVE,
+                RENDER_INTENT_RELATIVE_BPC, SRGB_DEPRECATED_SINCE,
                 TRANSFER_FUNCTION_COMPOUND_POWER_2_4,
                 consts::{
                     FEATURE_PARAMETRIC, FEATURE_SET_LUMINANCES, FEATURE_SET_PRIMARIES,
@@ -80,6 +81,9 @@ impl WpColorManagerV1 {
         self.send_supported_intent(RENDER_INTENT_PERCEPTUAL);
         self.send_supported_intent(RENDER_INTENT_RELATIVE);
         self.send_supported_intent(RENDER_INTENT_RELATIVE_BPC);
+        if self.version >= ABSOLUTE_NO_ADAPTATION_SINCE {
+            self.send_supported_intent(RENDER_INTENT_ABSOLUTE_NO_ADAPTATION);
+        }
         self.send_supported_feature(FEATURE_PARAMETRIC);
         self.send_supported_feature(FEATURE_SET_PRIMARIES);
         self.send_supported_feature(FEATURE_SET_LUMINANCES);