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use std::sync::Arc;
use std::marker::PhantomData;
use vks;
use ::{VdResult, Device, Handle};
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
#[repr(C)]
pub struct RenderPassHandle(pub(crate) vks::VkRenderPass);
impl RenderPassHandle {
#[inline(always)]
pub fn to_raw(&self) -> vks::VkRenderPass {
self.0
}
}
unsafe impl Handle for RenderPassHandle {
type Target = RenderPassHandle;
#[inline(always)]
fn handle(&self) -> Self::Target {
*self
}
}
#[derive(Debug)]
struct Inner {
handle: RenderPassHandle,
device: Device,
}
impl Drop for Inner {
fn drop(&mut self) {
unsafe {
self.device.destroy_render_pass(self.handle, None);
}
}
}
#[derive(Debug, Clone)]
pub struct RenderPass {
inner: Arc<Inner>,
}
impl RenderPass {
pub fn builder<'b>() -> RenderPassBuilder<'b> {
RenderPassBuilder::new()
}
pub fn handle(&self) -> RenderPassHandle {
self.inner.handle
}
pub fn device(&self) -> &Device {
&self.inner.device
}
}
unsafe impl<'h> Handle for &'h RenderPass {
type Target = RenderPassHandle;
#[inline(always)]
fn handle(&self) -> Self::Target {
self.inner.handle
}
}
#[derive(Debug, Clone)]
pub struct RenderPassBuilder<'b> {
create_info: ::RenderPassCreateInfo<'b>,
_p: PhantomData<&'b ()>,
}
impl<'b> RenderPassBuilder<'b> {
pub fn new() -> RenderPassBuilder<'b> {
RenderPassBuilder {
create_info: ::RenderPassCreateInfo::default(),
_p: PhantomData,
}
}
pub fn attachments<'s, 'ad>(&'s mut self,
attachments: &'ad [::AttachmentDescription])
-> &'s mut RenderPassBuilder<'b>
where 'ad: 'b {
self.create_info.set_attachments(attachments);
self
}
pub fn subpasses<'s, 'ad>(&'s mut self, subpasses: &'ad [::SubpassDescription])
-> &'s mut RenderPassBuilder<'b>
where 'ad: 'b {
self.create_info.set_subpasses(subpasses);
self
}
pub fn dependencies<'s, 'ad>(&'s mut self,
dependencies: &'ad [::SubpassDependency])
-> &'s mut RenderPassBuilder<'b>
where 'ad: 'b {
self.create_info.set_dependencies(dependencies);
self
}
pub fn build(&self, device: Device) -> VdResult<RenderPass> {
let handle = unsafe { device.create_render_pass(&self.create_info, None)? };
Ok(RenderPass {
inner: Arc::new(Inner {
handle,
device,
})
})
}
}