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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html new file mode 100644 index 0000000000..02a0fe594e --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/rendering/more-than-65536-indices.html @@ -0,0 +1,123 @@ +<!-- +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 More than 65536 indices.</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> +<canvas id="example" width="1" height="1" style="width: 40px; height: 40px;"></canvas> +<div id="description"></div> +<div id="console"></div> +<script id="vs" type="text/something-not-javascript"> +attribute vec4 vPosition; +attribute vec4 vColor; +varying vec4 color; +void main() { + gl_Position = vPosition; + gl_PointSize = 1.0; + color = vColor; +} +</script> +<script id="fs" type="text/something-not-javascript"> +precision mediump float; +varying vec4 color; +void main() { + gl_FragColor = color; +} +</script> +<script> +"use strict"; +description("checks that rendering with more than 65536 indices works."); +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("example"); +var program = wtu.setupProgram(gl, ["vs", "fs"], ["vPosition", "vColor"]); +var bufferObjects = wtu.setupUnitQuad(gl, 0, 1); + +gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[0]); +gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + -1, 1, + 1, 1, + -1, -1, + 1, -1, + -1, 1, + 1, 1, + -1, -1, + 1, -1]), gl.STATIC_DRAW); +gl.vertexAttribPointer(0, 2, gl.FLOAT, false, 0, 0); +gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[1]); +gl.bufferData(gl.ARRAY_BUFFER, new Uint8Array([ + 255, 0, 0, 255, + 255, 0, 0, 255, + 255, 0, 0, 255, + 255, 0, 0, 255, + 0, 255, 0, 255, + 0, 255, 0, 255, + 0, 255, 0, 255, + 0, 255, 0, 255]), gl.STATIC_DRAW); +gl.vertexAttribPointer(1, 4, gl.UNSIGNED_BYTE, true, 0, 0); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after program setup"); + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after creating texture"); +var numQuads = Math.floor(65536 / 6) + 4; +var numPoints = numQuads * 6; +debug("numQuads: " + numQuads); +debug("numPoints: " + numPoints); +var indexBuf = new ArrayBuffer(numPoints); +var indices = new Uint8Array(indexBuf); +var indexBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after setting up indices"); + +var modes = [ + {mode: 'POINTS', offsets: [0, 1, 2, 3, 2, 1], skip: 0}, + {mode: 'LINES', offsets: [0, 1, 2, 3, 2, 1], skip: 0}, + {mode: 'LINE_LOOP', offsets: [0, 1, 2, 3, 2, 1], skip: 1}, + {mode: 'LINE_STRIP', offsets: [0, 1, 2, 3, 2, 1], skip: 0}, + {mode: 'TRIANGLES', offsets: [0, 1, 2, 3, 2, 1], skip: 0}, + {mode: 'TRIANGLE_STRIP', offsets: [0, 1, 2, 3, 2, 1], skip: 0}, + {mode: 'TRIANGLE_FAN', offsets: [0, 1, 3, 2, 2, 1], skip: 1} +]; + +for (var mm = 0; mm < modes.length; ++mm) { + var modeInfo = modes[mm]; + var mode = modeInfo.mode; + var offsets = modeInfo.offsets; + var skip = modeInfo.skip; + + for (var ii = 0; ii < numQuads; ++ii) { + var offset = ii * 6; + var quad = (ii == 0 || ii == (numQuads - 1)) ? 4 : 0; + for (var jj = 0; jj < 6; ++jj) { + indices[offset + jj] = quad + offsets[jj]; + } + } + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); + + debug(""); + debug("testing: " + mode); + // Draw without last 6 points. + gl.drawElements(gl[mode], numPoints - (skip + 1) * 6, gl.UNSIGNED_BYTE, skip * 6); + wtu.checkCanvas(gl, [255, 0, 0, 255], "Should be red."); + // Draw with last 6 points. + gl.drawElements(gl[mode], numPoints, gl.UNSIGNED_BYTE, 0); + wtu.checkCanvas(gl, [0, 255, 0, 255], "Should be green."); +} +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "after drawing"); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> + +</body> +</html> + + |