From c3894d9288e99500df4fc4704bcc614ea8d520ec Mon Sep 17 00:00:00 2001
From: UjinT34 <41110182+UjinT34@users.noreply.github.com>
Date: Sun, 15 Jun 2025 13:15:18 +0300
Subject: config/monitor: Add monitor v2 HDR rules (#10623)

---
 src/helpers/Monitor.hpp | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to 'src/helpers/Monitor.hpp')

diff --git a/src/helpers/Monitor.hpp b/src/helpers/Monitor.hpp
index 4dc4ad88..0f35a423 100644
--- a/src/helpers/Monitor.hpp
+++ b/src/helpers/Monitor.hpp
@@ -56,8 +56,19 @@ struct SMonitorRule {
     eCMType             cmType        = CM_SRGB;
     float               sdrSaturation = 1.0f; // SDR -> HDR
     float               sdrBrightness = 1.0f; // SDR -> HDR
-    drmModeModeInfo     drmMode       = {};
-    std::optional<int>  vrr;
+
+    bool                supportsWideColor = false; // false does nothing, true overrides EDID
+    bool                supportsHDR       = false; // false does nothing, true overrides EDID
+    float               sdrMinLuminance   = 0.2f;  // SDR -> HDR
+    int                 sdrMaxLuminance   = 80;    // SDR -> HDR
+
+    // Incorrect values will result in reduced luminance range or incorrect tonemapping. Shouldn't damage the HW. Use with care in case of a faulty monitor firmware.
+    float              minLuminance    = -1.0f; // >= 0 overrides EDID
+    int                maxLuminance    = -1;    // >= 0 overrides EDID
+    int                maxAvgLuminance = -1;    // >= 0 overrides EDID
+
+    drmModeModeInfo    drmMode = {};
+    std::optional<int> vrr;
 };
 
 class CMonitor;
@@ -128,6 +139,8 @@ class CMonitor {
     eCMType                     m_cmType           = CM_SRGB;
     float                       m_sdrSaturation    = 1.0f;
     float                       m_sdrBrightness    = 1.0f;
+    float                       m_sdrMinLuminance  = 0.2f;
+    int                         m_sdrMaxLuminance  = 80;
     bool                        m_createdByUser    = false;
     bool                        m_isUnsafeFallback = false;
 
@@ -214,6 +227,12 @@ class CMonitor {
     void                                debugLastPresentation(const std::string& message);
     void                                onMonitorFrame();
 
+    bool                                supportsWideColor();
+    bool                                supportsHDR();
+    float                               minLuminance();
+    int                                 maxLuminance();
+    int                                 maxAvgLuminance();
+
     bool                                m_enabled             = false;
     bool                                m_renderingInitPassed = false;
     WP<CWindow>                         m_previousFSWindow;
@@ -244,4 +263,10 @@ class CMonitor {
         CHyprSignalListener presented;
         CHyprSignalListener commit;
     } m_listeners;
+
+    bool  m_supportsWideColor = false;
+    bool  m_supportsHDR       = false;
+    float m_minLuminance      = -1.0f;
+    int   m_maxLuminance      = -1;
+    int   m_maxAvgLuminance   = -1;
 };
-- 
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