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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-mochitest/test_without_index_validation.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-mochitest/test_without_index_validation.html')
-rw-r--r-- | dom/canvas/test/webgl-mochitest/test_without_index_validation.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_without_index_validation.html b/dom/canvas/test/webgl-mochitest/test_without_index_validation.html new file mode 100644 index 0000000000..01e028539d --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_without_index_validation.html @@ -0,0 +1,86 @@ +<!DOCTYPE html> +<html> +<head> +<meta charset='utf-8'> +<title>WebGL test: Drawing without index validation</title> +<script src='/tests/SimpleTest/SimpleTest.js'></script> +<link rel='stylesheet' href='/tests/SimpleTest/test.css'> + +<script id='vertSource' type='none'> +void main(void) { + gl_PointSize = 1.0; + gl_Position = vec4(0, 0, 0, 1); +} +</script> + +<script id='fragSource' type='none'> +precision mediump float; + +void main(void) { + gl_FragColor = vec4(0, 1, 0, 1); +} +</script> +</head> +<body> +<script> + +function test() { + const c = document.createElement('canvas'); + c.width = c.height = 1; + const gl = c.getContext('webgl'); + if (!gl) { + todo(false, 'WebGL is unavailable.'); + return; + } + document.body.appendChild(c); + + const vs = gl.createShader(gl.VERTEX_SHADER); + gl.shaderSource(vs, vertSource.innerHTML.trim()); + gl.compileShader(vs); + const fs = gl.createShader(gl.FRAGMENT_SHADER); + gl.shaderSource(fs, fragSource.innerHTML.trim()); + gl.compileShader(fs); + const prog = gl.createProgram(); + gl.attachShader(prog, vs); + gl.attachShader(prog, fs); + gl.linkProgram(prog); + gl.useProgram(prog); + + gl.clearColor(1,0,0,1); + const pixel = new Uint32Array(1); + const pixelData = new Uint8Array(pixel.buffer); + + function expectPixel(expected, info) { + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixelData); + ok(pixel[0] == expected, + '[' + info + '] Expected 0x' + expected.toString(16) + ', was 0x' + pixel[0].toString(16)); + } + + gl.clear(gl.COLOR_BUFFER_BIT); + expectPixel(0xFF0000FF, 'Clear'); + + gl.drawArrays(gl.POINTS, 0, 1); + expectPixel(0xFF00FF00, 'DrawArrays'); + + const indexBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer); + gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array([0]), gl.STATIC_DRAW); + + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawElements(gl.POINTS, 1, gl.UNSIGNED_SHORT, 0); + expectPixel(0xFF00FF00, 'DrawElements'); + + SimpleTest.finish(); +} + +SimpleTest.waitForExplicitFinish(); + +const prefArrArr = [ + ['webgl.force-index-validation', -1] +]; +const prefEnv = {'set': prefArrArr}; +SpecialPowers.pushPrefEnv(prefEnv, test); + +</script> +</body> +</html>
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