allow updating dynamic rendering parameters

examples/common/mod.rs

@@ -1,16 +1,14 @@
 pub mod vulkan;
 
+#[cfg(any(target_os = "macos", target_os = "ios"))]
+use ash::vk::{KhrGetPhysicalDeviceProperties2Fn, KhrPortabilityEnumerationFn};
 use ash::{
     extensions::{
         ext::DebugUtils,
         khr::{Surface, Swapchain as SwapchainLoader},
     },
     vk, Device, Entry, Instance,
 };
-#[cfg(any(target_os = "macos", target_os = "ios"))]
-use ash::vk::{
-    KhrGetPhysicalDeviceProperties2Fn, KhrPortabilityEnumerationFn,
-};
 use egui::{ClippedPrimitive, Context, TextureId, ViewportId};
 use egui_ash_renderer::{Options, Renderer};
 use egui_winit::State;

src/renderer/mod.rs

@@ -256,9 +256,8 @@ impl Renderer {
 
     /// Change the render pass to render to.
     ///
-    /// Useful if you need to render to a new render pass but don't want to rebuild
-    /// the entire renderer. It will rebuild the graphics pipeline from scratch so it
-    /// is an expensive operation.
+    /// Useful if you need to render to a new render pass.
+    /// It will rebuild the graphics pipeline from scratch so it is an expensive operation.
     ///
     /// # Arguments
     ///
@@ -279,6 +278,33 @@ impl Renderer {
         Ok(())
     }
 
+    /// Change the dynamic rendering parameters.
+    ///
+    /// Useful if you need to render to a target of with another color/depth format.
+    /// It will rebuild the graphics pipeline from scratch so it is an expensive operation.
+    ///
+    /// # Arguments
+    ///
+    /// * `dynamic_rendering` - The new dynamic rendering parameters.
+    ///
+    /// # Errors
+    ///
+    /// * [`RendererError`] - If any Vulkan error is encountered during pipeline creation.
+    #[cfg(feature = "dynamic-rendering")]
+    pub fn set_dynamic_rendering(
+        &mut self,
+        dynamic_rendering: DynamicRendering,
+    ) -> RendererResult<()> {
+        unsafe { self.device.destroy_pipeline(self.pipeline, None) };
+        self.pipeline = create_vulkan_pipeline(
+            &self.device,
+            self.pipeline_layout,
+            dynamic_rendering,
+            self.options,
+        )?;
+        Ok(())
+    }
+
     /// Free egui managed textures.
     ///
     /// You should pass the list of textures detla contained in the [`egui::TexturesDelta::set`].