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-rw-r--r--stockton-skeleton/src/draw_passes/cons.rs22
-rw-r--r--stockton-skeleton/src/draw_passes/mod.rs8
-rw-r--r--stockton-skeleton/src/lib.rs14
3 files changed, 32 insertions, 12 deletions
diff --git a/stockton-skeleton/src/draw_passes/cons.rs b/stockton-skeleton/src/draw_passes/cons.rs
index 51c06a6..dea42af 100644
--- a/stockton-skeleton/src/draw_passes/cons.rs
+++ b/stockton-skeleton/src/draw_passes/cons.rs
@@ -32,12 +32,26 @@ macro_rules! cons_shared_impl {
}
fn handle_surface_change(
- &mut self,
+ mut self,
session: &Session,
context: &mut RenderingContext,
- ) -> Result<()> {
- self.a.handle_surface_change(session, context)?;
- self.b.handle_surface_change(session, context)
+ ) -> Result<Self> {
+ match self.a.handle_surface_change(session, context) {
+ Ok(a) => self.a = a,
+ Err(e) => {
+ self.b.deactivate(context)?;
+ return Err(e);
+ }
+ }
+ match self.b.handle_surface_change(session, context) {
+ Ok(b) => self.b = b,
+ Err(e) => {
+ self.a.deactivate(context)?;
+ return Err(e);
+ }
+ }
+
+ Ok(self)
}
};
}
diff --git a/stockton-skeleton/src/draw_passes/mod.rs b/stockton-skeleton/src/draw_passes/mod.rs
index cdc983f..5b138c2 100644
--- a/stockton-skeleton/src/draw_passes/mod.rs
+++ b/stockton-skeleton/src/draw_passes/mod.rs
@@ -27,11 +27,15 @@ pub trait DrawPass<P: PassPosition> {
) -> Result<()>;
/// Called just after the surface changes (probably a resize).
+ /// This takes ownership and returns itself to ensure that the `DrawPass` is not called again if it fails.
+ /// This means you should deactivate as much as possible in case of an error.
fn handle_surface_change(
- &mut self,
+ self,
session: &Session,
context: &mut RenderingContext,
- ) -> Result<()>;
+ ) -> Result<Self>
+ where
+ Self: Sized;
/// Deactivate any vulkan parts that need to be deactivated
fn deactivate(self, context: &mut RenderingContext) -> Result<()>;
diff --git a/stockton-skeleton/src/lib.rs b/stockton-skeleton/src/lib.rs
index 6260753..2b6fe70 100644
--- a/stockton-skeleton/src/lib.rs
+++ b/stockton-skeleton/src/lib.rs
@@ -35,7 +35,7 @@ pub struct Renderer<DP> {
context: ManuallyDrop<RenderingContext>,
/// The draw pass we're using
- draw_pass: DP,
+ draw_pass: ManuallyDrop<DP>,
}
impl<DP: DrawPass<Singular>> Renderer<DP> {
@@ -54,7 +54,7 @@ impl<DP: DrawPass<Singular>> Renderer<DP> {
Ok(Renderer {
context: ManuallyDrop::new(context),
- draw_pass,
+ draw_pass: ManuallyDrop::new(draw_pass),
})
}
@@ -65,7 +65,7 @@ impl<DP: DrawPass<Singular>> Renderer<DP> {
// Hence, we can always take from the ManuallyDrop
unsafe {
match ManuallyDrop::take(&mut self.context)
- .draw_next_frame(session, &mut self.draw_pass)
+ .draw_next_frame(session, &mut *self.draw_pass)
{
Ok(c) => {
self.context = ManuallyDrop::new(c);
@@ -74,7 +74,7 @@ impl<DP: DrawPass<Singular>> Renderer<DP> {
Err((_e, c)) => {
// TODO: Try to detect if the error is actually surface related.
let c = c.attempt_recovery()?;
- match c.draw_next_frame(session, &mut self.draw_pass) {
+ match c.draw_next_frame(session, &mut *self.draw_pass) {
Ok(c) => {
self.context = ManuallyDrop::new(c);
Ok(self)
@@ -94,9 +94,11 @@ impl<DP: DrawPass<Singular>> Renderer<DP> {
unsafe {
let ctx = ManuallyDrop::take(&mut self.context).recreate_surface()?;
self.context = ManuallyDrop::new(ctx);
+
+ let dp = ManuallyDrop::take(&mut self.draw_pass)
+ .handle_surface_change(session, &mut self.context)?;
+ self.draw_pass = ManuallyDrop::new(dp);
}
- self.draw_pass
- .handle_surface_change(session, &mut self.context)?;
Ok(self)
}