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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/conformance2/buffers/buffer-copying-restrictions.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/conformance2/buffers/buffer-copying-restrictions.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/buffers/buffer-copying-restrictions.html | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/buffer-copying-restrictions.html b/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/buffer-copying-restrictions.html new file mode 100644 index 0000000000..3bfe0e3e80 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/buffer-copying-restrictions.html @@ -0,0 +1,102 @@ +<!-- +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 buffer copying restrictions test.</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> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +description("Test buffer copying restrictions governed by the WebGL 2 spec. The test makes sure that copyBufferSubData acts as expected."); + +var wtu = WebGLTestUtils; + +var gl = wtu.create3DContext(undefined, undefined, 2); + +var validTargets = [gl.ARRAY_BUFFER, gl.COPY_READ_BUFFER, gl.COPY_WRITE_BUFFER, + gl.ELEMENT_ARRAY_BUFFER, gl.PIXEL_PACK_BUFFER, + gl.PIXEL_UNPACK_BUFFER, gl.TRANSFORM_FEEDBACK_BUFFER, + gl.UNIFORM_BUFFER]; + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); + +var testCopyBuffer = function(srcTarget, dstTarget) { + var srcTargetStr = wtu.glEnumToString(gl, srcTarget), + dstTargetStr = wtu.glEnumToString(gl, dstTarget); + var srcBuffer = gl.createBuffer(), + dstBuffer = gl.createBuffer(); + var testCopyStr = "copying from a gl." + wtu.glEnumToString(gl, srcTarget) + " buffer to a gl." + + wtu.glEnumToString(gl, dstTarget) + " buffer" + + gl.bindBuffer(srcTarget, srcBuffer); + gl.bufferData(srcTarget, new Float32Array(32), gl.STATIC_DRAW); + gl.bindBuffer(dstTarget, dstBuffer); + gl.bufferData(dstTarget, new Float32Array(32), gl.STATIC_DRAW); + gl.copyBufferSubData(srcTarget, dstTarget, 8, 0, 4); + if (srcTarget == dstTarget) + wtu.glErrorShouldBe(gl, gl.NO_ERROR, testCopyStr + " should work."); + else if (srcTarget == gl.ELEMENT_ARRAY_BUFFER || dstTarget == gl.ELEMENT_ARRAY_BUFFER ) + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, testCopyStr + " should fail."); + else + wtu.glErrorShouldBe(gl, gl.NO_ERROR, testCopyStr + " should work."); + + // Special case: COPY_READ_BUFFER and COPY_WRITE_BUFFER are compatible with ELEMENT_ARRAY_BUFFER + // only if the buffer had been initially bound to an ELEMENT_ARRAY_BUFFER + if (srcTarget == gl.ELEMENT_ARRAY_BUFFER && + (dstTarget == gl.COPY_READ_BUFFER || dstTarget == gl.COPY_WRITE_BUFFER)) { + dstBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, dstBuffer); + } else if (dstTarget == gl.ELEMENT_ARRAY_BUFFER && + (srcTarget == gl.COPY_READ_BUFFER || srcTarget == gl.COPY_WRITE_BUFFER)) { + srcBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, srcBuffer); + } else { + return; + } + + gl.bindBuffer(srcTarget, srcBuffer); + gl.bufferData(srcTarget, new Float32Array(32), gl.STATIC_DRAW); + gl.bindBuffer(dstTarget, dstBuffer); + gl.bufferData(dstTarget, new Float32Array(32), gl.STATIC_DRAW); + gl.copyBufferSubData(srcTarget, dstTarget, 8, 0, 4); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, testCopyStr + " should work if all buffers were initially bound to ELEMENT_ARRAY_BUFFER."); +}; + +for (var i = 0; i < validTargets.length; i++) { + debug(""); + debug("Copying data from a " + wtu.glEnumToString(gl, validTargets[i]) + + " buffer to another target"); + for (var j = 0; j < validTargets.length; j++) + testCopyBuffer(validTargets[i], validTargets[j]); +} + +debug(""); +debug("Test copying a buffer of other data (gl.ARRAY_BUFFER) bound to gl.COPY_READ_BUFFER to a " + + "buffer bound to gl.ELEMENT_ARRAY_BUFFER"); +var srcBuffer = gl.createBuffer(), dstBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, srcBuffer); +gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, dstBuffer); +gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Float32Array(32), gl.STATIC_DRAW); +gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(32), gl.STATIC_DRAW); +gl.bindBuffer(gl.COPY_READ_BUFFER, srcBuffer); +gl.copyBufferSubData(gl.COPY_READ_BUFFER, gl.ELEMENT_ARRAY_BUFFER, 0, 0, 4); +wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "Copying gl.ARRAY_BUFFER bound to " + + "gl.COPY_READ_BUFFER to a buffer bound to gl.ELEMENT_ARRAY_BUFFER should fail."); + +finishTest(); + +var successfullyParsed = true; +</script> +</body> +</html> |