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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/canvas/test/webgl-mochitest/test_depth_readpixels.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-mochitest/test_depth_readpixels.html')
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+<!DOCTYPE HTML>
+<html>
+<head>
+<title>WebGL test: Check for error on ReadPixels from a depth-only FB.</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+<script src="webgl-util.js"></script>
+<script src="driver-info.js"></script>
+</head>
+<body>
+<canvas id="c"></canvas>
+<script>
+"use strict";
+
+(function() {
+ var gl = c.getContext('webgl');
+ if (!gl) {
+ todo(gl, 'Get GL working here first.');
+ return;
+ }
+
+ var rb = gl.createRenderbuffer();
+ gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
+ gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, 4, 4);
+
+ var fb = gl.createFramebuffer();
+ gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
+ gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT,
+ gl.RENDERBUFFER, rb);
+
+ if (gl.checkFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE) {
+ todo(false, 'Depth-only FB incomplete. This is valid.');
+ return;
+ }
+
+ ok(!gl.getError(), 'Should have no errors after constructing FB.');
+
+ var pixels = new Uint8Array([1, 2, 3, 4]);
+ gl.readPixels(0, 0, // x,y
+ 1, 1, // w,h
+ gl.RGBA, gl.UNSIGNED_BYTE, pixels);
+
+ ok(gl.getError() == gl.INVALID_OPERATION,
+ '1x1 color read from a depth FB should generated INVALID_OP.');
+ console.log('Data after 1x1 color-from-depth readpixels:');
+ console.log(pixels);
+
+ gl.readPixels(0, 0, // x,y
+ 0, 0, // w,h
+ gl.RGBA, gl.UNSIGNED_BYTE, pixels);
+
+ ok(gl.getError() == gl.INVALID_OPERATION,
+ '0x0 color read from a depth FB should generated INVALID_OP.');
+})();
+
+ok(true, 'Test complete.');
+
+</script>
+</body>
+</html>