From 026a006b410a0132c2cb573edff4352b4333b857 Mon Sep 17 00:00:00 2001
From: James Barnett <noreply@jamesbarnett.xyz>
Date: Mon, 3 Jan 2022 17:02:22 +0000
Subject: Performance optimisations

---
 src/index.ts | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to 'src/index.ts')

diff --git a/src/index.ts b/src/index.ts
index 3736c92..6b86f57 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -15,8 +15,8 @@ function render() {
 }
 
 function initDispatcher(options: RaytracerOptions): RaytraceDispatcher {
-  const width = 960;
-  const height = 720;
+  const {width, height} = parseResolution();
+
   const fov = Math.PI / 3;
 
   const framebuffer = new Framebuffer(width, height);
@@ -68,12 +68,37 @@ function parseOptions(): RaytracerOptions {
     reflections: getInputElement('reflections-toggle').checked,
     maxRecurseDepth: 5,
     maxDrawDistance: 1000,
+    bufferDrawCalls: getInputElement('buffer-draw').checked,
+    directMemoryTransfer: getInputElement('direct-transfer').checked,
   };
 }
 
+function parseResolution(): {width: number; height: number} {
+  switch (getInputElement('res').value) {
+    case '720p':
+    default:
+      return {width: 960, height: 720};
+    case '1080p':
+      return {width: 1440, height: 1080};
+    case '1440p':
+      return {width: 1920, height: 1440};
+    case '4k':
+      return {width: 2880, height: 2160};
+    case '8k':
+      return {width: 5760, height: 4320};
+  }
+}
+
 function registerEventListeners() {
   getRenderButton().addEventListener('click', render);
 
+  document.getElementById('view-full')!.addEventListener('click', () => {
+    const canvas = document.getElementById(
+      'render-output'
+    ) as HTMLCanvasElement;
+    window.open()!.document.body.innerHTML = `<img src=${canvas.toDataURL()}>`;
+  });
+
   const threadsSlider = getInputElement('threads');
   threadsSlider.addEventListener('input', () => {
     getInputElement('threads-value').textContent = threadsSlider.value;
-- 
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