utils/edid: use the common Colorimetry class instead of a separate struct

src/backends/drm/drm_pipeline.cpp

@@ -719,11 +719,11 @@ std::shared_ptr<DrmBlob> DrmPipeline::createHdrMetadata(NamedTransferFunction tr
             .metadata_type = 0,
             // in 0.00002 nits
             .display_primaries = {
-                {to16Bit(colorimetry.redPrimary.x()), to16Bit(colorimetry.redPrimary.y())},
-                {to16Bit(colorimetry.greenPrimary.x()), to16Bit(colorimetry.greenPrimary.y())},
-                {to16Bit(colorimetry.bluePrimary.x()), to16Bit(colorimetry.bluePrimary.y())},
+                {to16Bit(colorimetry.red.x()), to16Bit(colorimetry.red.y())},
+                {to16Bit(colorimetry.green.x()), to16Bit(colorimetry.green.y())},
+                {to16Bit(colorimetry.blue.x()), to16Bit(colorimetry.blue.y())},
             },
-            .white_point = {to16Bit(colorimetry.whitePoint.x()), to16Bit(colorimetry.whitePoint.y())},
+            .white_point = {to16Bit(colorimetry.white.x()), to16Bit(colorimetry.white.y())},
             // in nits
             .max_display_mastering_luminance = uint16_t(std::round(metadata.desiredContentMaxLuminance)),
             // in 0.0001 nits

src/utils/edid.cpp

@@ -124,18 +124,19 @@ Edid::Edid(const void *data, uint32_t size)
     const auto chromaticity = di_edid_get_chromaticity_coords(edid);
     if (chromaticity) {
         m_colorimetry = {
-            .redPrimary = {chromaticity->red_x, chromaticity->red_y},
-            .greenPrimary = {chromaticity->green_x, chromaticity->green_y},
-            .bluePrimary = {chromaticity->blue_x, chromaticity->blue_y},
-            .whitePoint = {chromaticity->white_x, chromaticity->white_y},
+            .red = {chromaticity->red_x, chromaticity->red_y},
+            .green = {chromaticity->green_x, chromaticity->green_y},
+            .blue = {chromaticity->blue_x, chromaticity->blue_y},
+            .white = {chromaticity->white_x, chromaticity->white_y},
         };
     } else {
         // assume sRGB
         m_colorimetry = {
-            .redPrimary = {0.64, 0.33},
-            .greenPrimary = {0.30, 0.60},
-            .bluePrimary = {0.15, 0.06},
-            .whitePoint = {0.3127, 0.3290},
+            .red = {0.64, 0.33},
+            .green = {0.30, 0.60},
+            .blue = {0.15, 0.06},
+            .white = {0.3127, 0.3290},
+            .name = NamedColorimetry::BT709,
         };
     }
 
@@ -240,7 +241,7 @@ QString Edid::hash() const
     return m_hash;
 }
 
-Edid::Colorimetry Edid::colorimetry() const
+Colorimetry Edid::colorimetry() const
 {
     return m_colorimetry;
 }

src/utils/edid.h

@@ -10,6 +10,7 @@
 #pragma once
 
 #include "kwin_export.h"
+#include "libkwineffects/colorspace.h"
 
 #include <QByteArray>
 #include <QList>
@@ -78,13 +79,6 @@ public:
 
     QString hash() const;
 
-    struct Colorimetry
-    {
-        QVector2D redPrimary;
-        QVector2D greenPrimary;
-        QVector2D bluePrimary;
-        QVector2D whitePoint;
-    };
     Colorimetry colorimetry() const;
 
     struct HDRMetadata