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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| 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_uninit_data.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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_uninit_data.html')
| -rw-r--r-- | dom/canvas/test/webgl-mochitest/test_uninit_data.html | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_uninit_data.html b/dom/canvas/test/webgl-mochitest/test_uninit_data.html new file mode 100644 index 0000000000..541cfdbe51 --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_uninit_data.html @@ -0,0 +1,84 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta http-equiv='content-type' content='text/html; charset=utf-8'/> + + <title>Test contents of uninitialized buffers</title> + + <script src='/tests/SimpleTest/SimpleTest.js'></script> + <link rel='stylesheet' href='/tests/SimpleTest/test.css'> + <script src='webgl-util.js'></script> +</head> + +<body> +<script> +'use strict'; + +function TestFB(gl) { + var status = gl.checkFramebufferStatus(gl.FRAMEBUFFER); + ok(status == gl.FRAMEBUFFER_COMPLETE, 'FB should be complete.'); + + var pixel = new Uint8Array(4); + gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixel); + + ok(!pixel[0], 'R channel should be 0, was ' + pixel[0] + '.'); + ok(!pixel[1], 'G channel should be 0, was ' + pixel[1] + '.'); + ok(!pixel[2], 'B channel should be 0, was ' + pixel[2] + '.'); + ok(!pixel[3], 'A channel should be 0, was ' + pixel[3] + '.'); +} + +function Test(contextAttribs) { + ok(true, '==============================='); + ok(true, 'Testing ' + JSON.stringify(contextAttribs)); + + var c = document.createElement('canvas'); + var gl = c.getContext('webgl', contextAttribs); + if (!gl) { + todo(false, 'WebGL is unavailable.'); + return; + } + + var rb = gl.createRenderbuffer(); + gl.bindRenderbuffer(gl.RENDERBUFFER, rb); + + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + + var err = gl.getError(); + ok(!err, 'Error should be 0x0, was 0x' + err.toString(16)); + if (err) + return; + + var fb = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, fb); + + ok(true, 'Backed with RB'); + gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.RENDERBUFFER, rb); + gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 1, 1); + TestFB(gl); + + ok(true, 'Backed with texture'); + gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); + TestFB(gl); + + err = gl.getError(); + ok(!err, 'Error should be 0x0, was 0x' + err.toString(16)); +} + +// Give ourselves a scope to return early from: +(function() { + // We test multiple configurations because we've had bugs regarding faking RGBX on + // ANGLE: With alpha:false, uninitialized buffers were being filled with (0,0,0,1) + // instead of (0,0,0,0). + Test({alpha: false, antialias: false}); + Test({alpha: true, antialias: false}); + Test({alpha: false, antialias: true}); + Test({alpha: true, antialias: true}); + + ok(true, 'Test complete.'); +})(); + +</script> +</body> +</html> |