vsync

src/config.rs

@@ -2,7 +2,7 @@ use std::{convert::TryInto, fs};
 
 use serde_derive::{Deserialize, Serialize};
 use toml;
-use vulkano::image::SampleCount;
+use vulkano::{image::SampleCount, swapchain::PresentMode};
 
 #[derive(Debug, Serialize, Deserialize, Clone, Copy)]
 pub struct LogConfigInput {
@@ -27,7 +27,8 @@ impl LogConfig {
 
 #[derive(Debug, Serialize, Deserialize, Clone, Copy)]
 pub struct RenderConfig {
-    pub msaa_samples: u32
+    pub msaa_samples: u32,
+    pub vsync: PresentModeConfig,
 }
 
 impl RenderConfig {
@@ -39,3 +40,22 @@ impl RenderConfig {
         if self.msaa_samples > 0 { self.msaa_samples.try_into().ok() } else { None }
     }
 }
+
+#[derive(Debug, Serialize, Deserialize, Clone, Copy)]
+pub enum PresentModeConfig {
+    Immediate,
+    Mailbox,
+    Fifo,
+    FifoRelaxed,
+}
+
+impl Into<PresentMode> for PresentModeConfig {
+    fn into(self) -> PresentMode {
+        match self {
+            PresentModeConfig::Immediate => PresentMode::Immediate,
+            PresentModeConfig::Mailbox => PresentMode::Mailbox,
+            PresentModeConfig::Fifo => PresentMode::Fifo,
+            PresentModeConfig::FifoRelaxed => PresentMode::Relaxed,
+        }
+    }
+}

src/vulkan/mod.rs

@@ -245,7 +245,7 @@ impl VulkanRenderer {
                 .sharing_mode(&queue)
                 .transform(SurfaceTransform::Identity)
                 .composite_alpha(alpha)
-                .present_mode(PresentMode::Fifo)
+                .present_mode(render_config.vsync.into())
                 .fullscreen_exclusive(FullscreenExclusive::Default)
                 .clipped(true)
                 .color_space(color_space)