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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_depth_readpixels.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_depth_readpixels.html')
-rw-r--r-- | dom/canvas/test/webgl-mochitest/test_depth_readpixels.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-mochitest/test_depth_readpixels.html b/dom/canvas/test/webgl-mochitest/test_depth_readpixels.html new file mode 100644 index 0000000000..d0ed8e60b0 --- /dev/null +++ b/dom/canvas/test/webgl-mochitest/test_depth_readpixels.html @@ -0,0 +1,60 @@ +<!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> |