vulkan: allow EOTFs to be parametrized

src/gfx_apis/vulkan/shaders.rs

@@ -69,6 +69,28 @@ pub struct ColorManagementData {
 
 unsafe impl Packed for ColorManagementData {}
 
+#[derive(Copy, Clone, Debug)]
+#[repr(C, align(16))]
+pub struct EotfArgs {
+    pub arg1: f32,
+    pub arg2: f32,
+    pub arg3: f32,
+    pub arg4: f32,
+}
+
+unsafe impl Packed for EotfArgs {}
+
+#[derive(Copy, Clone, Debug)]
+#[repr(C, align(16))]
+pub struct InvEotfArgs {
+    pub arg1: f32,
+    pub arg2: f32,
+    pub arg3: f32,
+    pub arg4: f32,
+}
+
+unsafe impl Packed for InvEotfArgs {}
+
 #[derive(Copy, Clone, Debug)]
 #[repr(C)]
 pub struct LegacyTexPushConstants {