1 files changed, 47 insertions, 0 deletions
diff --git a/rust/crates/compositor/src/blend_mode.rs b/rust/crates/compositor/src/blend_mode.rs
new file mode 100644
index 00000000..8c6edcc6
--- /dev/null
+++ b/rust/crates/compositor/src/blend_mode.rs
@@ -0,0 +1,47 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub enum BlendMode {
+    Normal,
+    Darken,
+    Multiply,
+    ColorBurn,
+    Lighten,
+    Screen,
+    PlusLighter,
+    ColorDodge,
+    Overlay,
+    SoftLight,
+    HardLight,
+    Difference,
+    Exclusion,
+    Hue,
+    Saturation,
+    Color,
+    Luminosity,
+}
+
+impl BlendMode {
+    pub fn shader_code(self) -> u32 {
+        match self {
+            Self::Normal => 0,
+            Self::Darken => 1,
+            Self::Multiply => 2,
+            Self::ColorBurn => 3,
+            Self::Lighten => 4,
+            Self::Screen => 5,
+            Self::PlusLighter => 6,
+            Self::ColorDodge => 7,
+            Self::Overlay => 8,
+            Self::SoftLight => 9,
+            Self::HardLight => 10,
+            Self::Difference => 11,
+            Self::Exclusion => 12,
+            Self::Hue => 13,
+            Self::Saturation => 14,
+            Self::Color => 15,
+            Self::Luminosity => 16,
+        }
+    }
+}