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export function createState(config) {
return {
webgpu: {
adapter: null,
device: null,
context: null,
presentationFormat: null,
pipeline: null,
vertexBuffer: null,
indexBuffer: null,
uniformBuffer: null,
texture: null,
sampler: null,
bindGroup: null,
shaderCode: null,
vertexSize: config.floatsPerVertex * config.vertexMultiplier,
glyphCanvas: null
},
matrices: {
uniformValues: new Float32Array(config.floatsInUniformBuffer),
matrix: new Float32Array(config.matrixSize),
},
glyphs: {
numGlyphs: 0,
width: 0,
height: 0,
},
canvas: document.querySelector('canvas') || document.body.appendChild(document.createElement('canvas')),
timing: {
time: 0,
fixedDeltaTime: config.timing.fixedDeltaTime,
maxFrameTime: config.timing.maxFrameTime,
targetFps: config.timing.targetFps,
frameDuration: config.timing.frameDuration,
accumulator: 0,
deltaTime: 0,
currentTime: 0,
frameTime: 0,
lastTime: 0,
}
};
}
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