From f1e20a61f16388ed4d2dac734bab30d67bbd84b3 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Sun, 9 Feb 2020 03:25:13 +0100
Subject: Allow `iced_wgpu` to render to any `TextureView`

---
 wgpu/src/window/swap_chain.rs | 49 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 wgpu/src/window/swap_chain.rs

(limited to 'wgpu/src/window/swap_chain.rs')

diff --git a/wgpu/src/window/swap_chain.rs b/wgpu/src/window/swap_chain.rs
new file mode 100644
index 00000000..46aaa869
--- /dev/null
+++ b/wgpu/src/window/swap_chain.rs
@@ -0,0 +1,49 @@
+use crate::Viewport;
+
+/// The rendering target of a window.
+///
+/// It represents a series of virtual framebuffers with a scale factor.
+#[derive(Debug)]
+pub struct SwapChain {
+    raw: wgpu::SwapChain,
+    viewport: Viewport,
+}
+
+impl SwapChain {}
+
+impl SwapChain {
+    pub fn new(
+        device: &wgpu::Device,
+        surface: &wgpu::Surface,
+        width: u32,
+        height: u32,
+        scale_factor: f64,
+    ) -> SwapChain {
+        SwapChain {
+            raw: new_swap_chain(surface, width, height, device),
+            viewport: Viewport::new(width, height, scale_factor),
+        }
+    }
+
+    pub fn next_frame(&mut self) -> (wgpu::SwapChainOutput<'_>, &Viewport) {
+        (self.raw.get_next_texture(), &self.viewport)
+    }
+}
+
+fn new_swap_chain(
+    surface: &wgpu::Surface,
+    width: u32,
+    height: u32,
+    device: &wgpu::Device,
+) -> wgpu::SwapChain {
+    device.create_swap_chain(
+        &surface,
+        &wgpu::SwapChainDescriptor {
+            usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
+            format: wgpu::TextureFormat::Bgra8UnormSrgb,
+            width,
+            height,
+            present_mode: wgpu::PresentMode::Vsync,
+        },
+    )
+}
-- 
cgit 


From 8f0b59a4b28bee028a879b0705eeeaa0b2e82df6 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Sun, 9 Feb 2020 03:36:59 +0100
Subject: Remove `scale_factor` from `iced_wgpu::Viewport`

---
 wgpu/src/window/swap_chain.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'wgpu/src/window/swap_chain.rs')

diff --git a/wgpu/src/window/swap_chain.rs b/wgpu/src/window/swap_chain.rs
index 46aaa869..3760e8a2 100644
--- a/wgpu/src/window/swap_chain.rs
+++ b/wgpu/src/window/swap_chain.rs
@@ -17,11 +17,10 @@ impl SwapChain {
         surface: &wgpu::Surface,
         width: u32,
         height: u32,
-        scale_factor: f64,
     ) -> SwapChain {
         SwapChain {
             raw: new_swap_chain(surface, width, height, device),
-            viewport: Viewport::new(width, height, scale_factor),
+            viewport: Viewport::new(width, height),
         }
     }
 
-- 
cgit 


From 9a73c3a88d92262b4e59c1f061b1c56e533e2b0b Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Sun, 9 Feb 2020 03:44:16 +0100
Subject: Write documentation for new `iced_wgpu` types

---
 wgpu/src/window/swap_chain.rs | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'wgpu/src/window/swap_chain.rs')

diff --git a/wgpu/src/window/swap_chain.rs b/wgpu/src/window/swap_chain.rs
index 3760e8a2..6f545fce 100644
--- a/wgpu/src/window/swap_chain.rs
+++ b/wgpu/src/window/swap_chain.rs
@@ -12,6 +12,9 @@ pub struct SwapChain {
 impl SwapChain {}
 
 impl SwapChain {
+    /// Creates a new [`SwapChain`] for the given surface.
+    ///
+    /// [`SwapChain`]: struct.SwapChain.html
     pub fn new(
         device: &wgpu::Device,
         surface: &wgpu::Surface,
@@ -24,6 +27,10 @@ impl SwapChain {
         }
     }
 
+    /// Returns the next frame of the [`SwapChain`] alongside its [`Viewport`].
+    ///
+    /// [`SwapChain`]: struct.SwapChain.html
+    /// [`Viewport`]: ../struct.Viewport.html
     pub fn next_frame(&mut self) -> (wgpu::SwapChainOutput<'_>, &Viewport) {
         (self.raw.get_next_texture(), &self.viewport)
     }
-- 
cgit