Canvas2DtoWebGL beginPath -> fill save / restore drawImage drawImage partial drawImage transformed imageSmoothingEnabled = false beginPath -> stroke moveTo lineTo roundRect bezierCurveTo quadraticCurveTo arc arc + lineWidth createPattern createLinearGradient HSL Colors clip rotated Stroke fillText rotated Text concave shapes Benchmark: fillRect Benchmark: drawImage Benchmark: fillText GO Canvas2D GO WebGL | Watch Code