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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/rendering/texture-switch-performance.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/rendering/texture-switch-performance.html | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/rendering/texture-switch-performance.html b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/texture-switch-performance.html new file mode 100644 index 0000000000..bdc9099a6b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/texture-switch-performance.html @@ -0,0 +1,101 @@ +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL Texture Switch Conformance Tests</title> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +description("Ensures that switching the texture referenced by a sampler uniform performs reasonably well."); +var wtu = WebGLTestUtils; +var canvas = document.createElement('canvas'); +canvas.width = 32; +canvas.height = 32; +var gl = wtu.create3DContext(canvas); +if (!gl) { + testFailed("context does not exist"); + finishTest(); +} else { + var program = wtu.setupTexturedQuad(gl); + var tex = gl.createTexture(); + gl.activeTexture(gl.TEXTURE0); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + + var tex2 = gl.createTexture(); + gl.activeTexture(gl.TEXTURE1); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + + var loc = gl.getUniformLocation(program, "tex"); + + var RUNTIME = 2000; + var THRESHOLD = 0.8; + var baseStartTime = 0; + var baseFrameCount = 0; + var testStartTime = 0; + var testFrameCount = 0; + + baseStartTime = Date.now(); + function drawBaseline() { + for (var i = 0; i < 400; ++i) { + gl.uniform1i(loc, 0); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.uniform1i(loc, 0); + gl.drawArrays(gl.TRIANGLES, 0, 6); + } + + ++baseFrameCount; + + if (Date.now() - baseStartTime > RUNTIME) { + testStartTime = Date.now(); + requestAnimationFrame(drawTest); + } else { + requestAnimationFrame(drawBaseline); + } + } + + function drawTest() { + for (var i = 0; i < 400; ++i) { + gl.uniform1i(loc, 0); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.uniform1i(loc, 1); + gl.drawArrays(gl.TRIANGLES, 0, 6); + } + + ++testFrameCount; + + if (Date.now() - testStartTime > RUNTIME) { + var perfString = " - achieved " + testFrameCount + " frames in " + ((Date.now() - testStartTime) / 1000.0) + + " seconds (" + (testFrameCount / baseFrameCount).toFixed(2) + " times baseline performance)"; + if (testFrameCount > baseFrameCount * THRESHOLD) { + testPassed("Texture switching did not significantly hurt performance" + perfString); + } else { + testFailed("Texture switching significantly hurt performance" + perfString); + } + console.log(testFrameCount); + finishTest(); + } else { + requestAnimationFrame(drawTest); + } + } + + requestAnimationFrame(drawBaseline); +} +var successfullyParsed = true; +</script> +</body> +</html> + |