config: make the blend space configurable

toml-spec/spec/spec.generated.json

@@ -572,6 +572,14 @@
         }
       ]
     },
+    "BlendSpace": {
+      "type": "string",
+      "description": "A color blend space.\n",
+      "enum": [
+        "srgb",
+        "linear"
+      ]
+    },
     "Brightness": {
       "description": "The brightness setting of an output.\n",
       "anyOf": [
@@ -1655,6 +1663,10 @@
         "brightness": {
           "description": "The brightness of the output.\n\nThis setting has no effect unless the vulkan renderer is used.\n",
           "$ref": "#/$defs/Brightness"
+        },
+        "blend-space": {
+          "description": "The blend space of the output.\n\nThe default is `srgb`.\n",
+          "$ref": "#/$defs/BlendSpace"
         }
       },
       "required": [

toml-spec/spec/spec.generated.md

@@ -797,6 +797,25 @@ This table is a tagged union. The variant is determined by the `type` field. It
     The value of this field should be a string.
 
 
+<a name="types-BlendSpace"></a>
+### `BlendSpace`
+
+A color blend space.
+
+Values of this type should be strings.
+
+The string should have one of the following values:
+
+- `srgb`:
+
+  The sRGB blend space. This is the classic desktop blend space.
+
+- `linear`:
+
+  Linear color space. This is the physically correct blend space.
+
+
+
 <a name="types-Brightness"></a>
 ### `Brightness`
 
@@ -3548,6 +3567,14 @@ The table has the following fields:
 
   The value of this field should be a [Brightness](#types-Brightness).
 
+- `blend-space` (optional):
+
+  The blend space of the output.
+  
+  The default is `srgb`.
+
+  The value of this field should be a [BlendSpace](#types-BlendSpace).
+
 
 <a name="types-OutputMatch"></a>
 ### `OutputMatch`

toml-spec/spec/spec.yaml

@@ -1967,6 +1967,13 @@ Output:
         The brightness of the output.
         
         This setting has no effect unless the vulkan renderer is used.
+    blend-space:
+      ref: BlendSpace
+      required: false
+      description: |
+        The blend space of the output.
+        
+        The default is `srgb`.
 
 
 Transform:
@@ -4029,3 +4036,14 @@ WorkspaceDisplayOrder:
       description: Workspaces are not sorted and can be manually dragged.
     - value: sorted
       description: Workspaces are sorted alphabetically and cannot be manually dragged.
+
+
+BlendSpace:
+  kind: string
+  description: |
+    A color blend space.
+  values:
+    - value: srgb
+      description: The sRGB blend space. This is the classic desktop blend space.
+    - value: linear
+      description: Linear color space. This is the physically correct blend space.