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added devicePixelRatio to 1 #38

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da92419
added devicePixelRatio to 1
davitsedrakian Jan 13, 2026
38e1c2b
DPR optimization for all kind of devices
davitsedrakian Jan 19, 2026
6f17917
testing pixel ratio
davitsedrakian Jan 20, 2026
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42 changes: 42 additions & 0 deletions Runtime/WebGLTemplates/Bridge/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,52 @@
top: 0px;
left: 0px;
}
#dpr-display {
position: fixed;
top: 10px;
right: 10px;
background: rgba(0, 0, 0, 0.7);
color: #fff;
padding: 8px 12px;
font-family: monospace;
font-size: 14px;
border-radius: 4px;
z-index: 9999;
}
</style>
</head>
<body>
<canvas id="canvas" class="fullscreen-canvas"></canvas>
<div id="dpr-display"></div>
<script>
function updateDPR() {
const isIOS = /iPhone|iPad|iPod/.test(navigator.userAgent);
const cores = navigator.hardwareConcurrency || 2;
const memory = navigator.deviceMemory || 2;
const isWeak = cores <= 4 && memory <= 4;
const nativeDPR = window.devicePixelRatio || 1;

let usedDPR;
if (isIOS || !isWeak) {
usedDPR = 'native';
} else if (navigator.maxTouchPoints > 0 && window.innerWidth < 768) {
usedDPR = 1;
} else if (navigator.maxTouchPoints > 0 && window.innerWidth < 1200) {
usedDPR = 1.5;
} else {
usedDPR = Math.min(nativeDPR, 1.5);
}

document.getElementById('dpr-display').innerHTML =
`Native DPR: ${nativeDPR.toFixed(2)}<br>` +
`Used DPR: ${usedDPR}<br>` +
`iOS: ${isIOS}<br>` +
`Cores: ${cores}<br>` +
`Memory: ${memory}GB`;
}
updateDPR();
window.matchMedia(`(resolution: ${window.devicePixelRatio}dppx)`).addEventListener('change', updateDPR);
</script>
<script src="./playgama-bridge-unity.js"></script>
</body>
</html>
54 changes: 38 additions & 16 deletions Runtime/WebGLTemplates/Bridge/playgama-bridge-unity.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,25 @@ const STORAGE_KEYS_SEPARATOR = '{bridge_keys_separator}'
const STORAGE_VALUES_SEPARATOR = '{bridge_values_separator}'

// utils
function getOptimalDPR() {
const isIOS = /iPhone|iPad|iPod/.test(navigator.userAgent);
if (isIOS) return null;

const cores = navigator.hardwareConcurrency || 2;
const memory = navigator.deviceMemory || 2;
const hasTouch = navigator.maxTouchPoints > 0;
const width = window.innerWidth;
const dpr = window.devicePixelRatio || 1;

const isWeak = cores <= 4 && memory <= 4;

if (!isWeak) return null;

if (hasTouch && width < 768) return 1;
if (hasTouch && width < 1200) return 1.5;
return Math.min(dpr, 1.5);
}

window.unityInstance = null
const messageQueue = []
let progressBarFillingInterval = null
Expand Down Expand Up @@ -137,26 +156,29 @@ function initializeBridge() {
let unityLoader = document.createElement('script')
unityLoader.src = 'Build/{{{ LOADER_FILENAME }}}'
unityLoader.onload = () => {
createUnityInstance(
CANVAS,
{
dataUrl: 'Build/{{{ DATA_FILENAME }}}',
frameworkUrl: 'Build/{{{ FRAMEWORK_FILENAME }}}',
codeUrl: 'Build/{{{ CODE_FILENAME }}}',
const config = {
dataUrl: 'Build/{{{ DATA_FILENAME }}}',
frameworkUrl: 'Build/{{{ FRAMEWORK_FILENAME }}}',
codeUrl: 'Build/{{{ CODE_FILENAME }}}',
#if MEMORY_FILENAME
memoryUrl: 'Build/{{{ MEMORY_FILENAME }}}',
memoryUrl: 'Build/{{{ MEMORY_FILENAME }}}',
#endif
#if SYMBOLS_FILENAME
symbolsUrl: 'Build/{{{ SYMBOLS_FILENAME }}}',
symbolsUrl: 'Build/{{{ SYMBOLS_FILENAME }}}',
#endif
streamingAssetsUrl: 'StreamingAssets',
companyName: '{{{ COMPANY_NAME }}}',
productName: '{{{ PRODUCT_NAME }}}',
productVersion: '{{{ PRODUCT_VERSION }}}',
// matchWebGLToCanvasSize: false, // Uncomment this to separately control WebGL canvas render size and DOM element size.
// devicePixelRatio: 1, // Uncomment this to override low DPI rendering on high DPI displays.
},
onUnityLoadingProgressChanged)
streamingAssetsUrl: 'StreamingAssets',
companyName: '{{{ COMPANY_NAME }}}',
productName: '{{{ PRODUCT_NAME }}}',
productVersion: '{{{ PRODUCT_VERSION }}}',
// matchWebGLToCanvasSize: false, // Uncomment this to separately control WebGL canvas render size and DOM element size.
}

const optimalDPR = getOptimalDPR()
if (optimalDPR !== null) {
config.devicePixelRatio = optimalDPR
}

createUnityInstance(CANVAS, config, onUnityLoadingProgressChanged)
.then((unityInstance) => {
window.unityInstance = unityInstance
CANVAS.focus()
Expand Down