Fix incorrectly transposed matrix for displayp3 colorspaces (#1960)

When originally authored the matrix was authored transposed. Further internal testing revealed this to manifest as an undesired shift towards red.
AcademySoftwareFoundation · Aug 7, 2024 · a20bef0 · a20bef0
1 parent cfa6f7b
commit a20bef0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/libraries/cmlib/cmlib_ng.mtlx b/libraries/cmlib/cmlib_ng.mtlx
@@ -315,7 +315,8 @@
 
   <nodegraph name="NG_srgb_displayp3_to_lin_rec709_color3" nodedef="ND_srgb_displayp3_to_lin_rec709_color3">
     <constant name="mat" type="matrix33">
-      <input name="value" type="matrix33" value="1.22493029, -0.22492968, 0.00000006, -0.04205868,  1.04205894, -0.00000001, -0.01964128, -0.07864794, 1.09828925" />
+      <input name="value" type="matrix33"
+             value="1.22493029, -0.04205868, -0.01964128, -0.22492968, 1.04205894, -0.07864794, 0.00000006,-0.00000001, 1.09828925"/>
     </constant>
     <!--  Use srgb_texture_to_lin_rec709 to convert from sRGB to Lin before passing to the mat conversion -->
     <srgb_texture_to_lin_rec709 name="srgb_transform" type="color3">
@@ -354,7 +355,8 @@
 
   <nodegraph name="NG_lin_displayp3_to_lin_rec709_color3" nodedef="ND_lin_displayp3_to_lin_rec709_color3">
     <constant name="mat" type="matrix33">
-      <input name="value" type="matrix33" value="1.22493029, -0.22492968, 0.00000006, -0.04205868,  1.04205894, -0.00000001, -0.01964128, -0.07864794, 1.09828925" />
+      <input name="value" type="matrix33"
+             value="1.22493029, -0.04205868, -0.01964128, -0.22492968, 1.04205894, -0.07864794, 0.00000006,-0.00000001, 1.09828925"/>
     </constant>
     <convert name="asVec" type="vector3">
       <input name="in" type="color3" interfacename="in" />