diff options
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance2/buffers/get-buffer-sub-data.html')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/buffers/get-buffer-sub-data.html | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/get-buffer-sub-data.html b/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/get-buffer-sub-data.html new file mode 100644 index 000000000..6026cc5cc --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/buffers/get-buffer-sub-data.html @@ -0,0 +1,176 @@ +<!-- + +/* +** Copyright (c) 2015 The Khronos Group Inc. +** +** Permission is hereby granted, free of charge, to any person obtaining a +** copy of this software and/or associated documentation files (the +** "Materials"), to deal in the Materials without restriction, including +** without limitation the rights to use, copy, modify, merge, publish, +** distribute, sublicense, and/or sell copies of the Materials, and to +** permit persons to whom the Materials are furnished to do so, subject to +** the following conditions: +** +** The above copyright notice and this permission notice shall be included +** in all copies or substantial portions of the Materials. +** +** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. +*/ + +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<title>WebGL getBufferSubData 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("This test makes sure that getBufferSubData acts as expected governed by WebGL 2."); + +var wtu = WebGLTestUtils; + +var gl = wtu.create3DContext(undefined, undefined, 2); + +var vertices = [ + 1.1, 1.0, 1.3, + -1.0, -1.0, -5.0, + 5.3, -1.0, 1.0 +]; +var floatArray = new Float32Array(vertices); + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); + +var buffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, buffer); +gl.bufferData(gl.ARRAY_BUFFER, floatArray, gl.STATIC_DRAW); + +var uninitializedBuffer = gl.createBuffer(); +gl.bindBuffer(gl.ARRAY_BUFFER, uninitializedBuffer); +gl.bufferData(gl.ARRAY_BUFFER, 36, gl.STATIC_DRAW); +gl.bindBuffer(gl.ARRAY_BUFFER, null); + +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from buffer setup."); + +gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + +debug(""); +debug("Test that getBufferSubData successfully works reading buffer data from gl.ARRAY_BUFFER"); +var retArray = new Float32Array(vertices.length); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray)"); + +debug("Argument must be ArrayBufferView, not ArrayBuffer") +shouldThrow("gl.getBufferSubData(gl.ARRAY_BUFFER, 0, new ArrayBuffer(4))"); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should not generate GL error"); +debug("Argument must be ArrayBufferView, not null") +shouldThrow("gl.getBufferSubData(gl.ARRAY_BUFFER, 0, null)"); +wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should not generate GL error"); + +debug("Check array data to match original data set by the buffer"); +var failed = false; +for (var i = 0; i < vertices.length; i++) { + if (floatArray[i] != retArray[i]) { + failed = true; + break; + } +} +if (failed) + testFailed("The returned array buffer fails to match original data"); +else + testPassed("The returned array buffer matches original data"); + +debug("Test that getBufferSubData successfully works with dstOffset"); +retArray = new Float32Array(vertices.length); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, 2)"); +shouldBeTrue("areArraysEqual(retArray.slice(0, 2), [0, 0])"); +shouldBeTrue("areArraysEqual(retArray.slice(2), floatArray.slice(0, floatArray.length - 2))"); + +retArray = new Float32Array(vertices.length); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, retArray.length)"); +shouldBeTrue("areArraysEqual(retArray, [0, 0, 0, 0, 0, 0, 0, 0, 0])"); + +debug("Test that getBufferSubData fails when given a dstOffset beyond the end of retArray"); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, retArray.length + 1)"); + +debug("Test that getBufferSubData successfully works with dstOffset and length"); +retArray = new Float32Array(vertices.length); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, 2, 2)"); +shouldBeTrue("areArraysEqual(retArray.slice(0, 2), [0, 0])"); +shouldBeTrue("areArraysEqual(retArray.slice(2, 4), floatArray.slice(0, 2))"); +shouldBeTrue("areArraysEqual(retArray.slice(4), [0, 0, 0, 0, 0])"); + +retArray = new Float32Array(vertices.length); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, retArray.length - 1, 1)"); +shouldBeTrue("areArraysEqual(retArray.slice(0, 8), [0, 0, 0, 0, 0, 0, 0, 0])"); +shouldBeTrue("areArraysEqual(retArray.slice(8), floatArray.slice(0, 1))"); + +debug("Test that getBufferSubData fails when given a dstOffset+length beyond the end of retArray"); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray, retArray.length - 1, 2)"); + +debug("Test that getBufferSubData fails when given a buffer with its size larger than the original data"); +var extraLargeBuffer = new Float32Array(vertices.length + 1); +gl.getBufferSubData(gl.ARRAY_BUFFER, 0, extraLargeBuffer); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, + "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, extraLargeBuffer)", + "Extra length should generate INVALID_VALUE."); + +debug("Test that getBufferSubData fails when offset summed with buffer length is larger than the size of the original data size"); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, + "gl.getBufferSubData(gl.ARRAY_BUFFER, retArray.byteLength + 1, retArray)"); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, "gl.getBufferSubData(gl.ARRAY_BUFFER, 1, retArray)"); + +debug("Test that getBufferSubData fails when 0 is bound to the target"); +gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null); +wtu.shouldGenerateGLError(gl, gl.INVALID_OPERATION, + "gl.getBufferSubData(gl.ELEMENT_ARRAY_BUFFER, 0, retArray)"); + +debug("Test that getBufferSubData fails when offset is less than 0"); +wtu.shouldGenerateGLError(gl, gl.INVALID_VALUE, "gl.getBufferSubData(gl.ARRAY_BUFFER, -1, retArray)"); + +debug(""); +debug("Test that getBufferSubData successfully works with uninitialized buffers"); +retArray = new Float32Array([1, 2, 3, 4, 5, 6, 7, 8, 9]); +gl.bindBuffer(gl.ARRAY_BUFFER, uninitializedBuffer); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, + "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray)"); +shouldBeTrue("areArraysEqual(retArray, [0, 0, 0, 0, 0, 0, 0, 0, 0])"); + +debug(""); +debug("Test that getBufferSubData works when a buffer is immediately resized to be too small"); + +retArray = new Float32Array([1, 2, 3, 4, 5, 6, 7, 8, 9]); +gl.bindBuffer(gl.ARRAY_BUFFER, buffer); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, + "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray)"); +gl.bufferData(gl.ARRAY_BUFFER, 4, gl.STATIC_DRAW); +shouldBeTrue("areArraysEqual(retArray, floatArray)"); + +debug(""); +debug("Test that getBufferSubData works when a buffer is immediately deleted"); +retArray = new Float32Array([1, 2, 3, 4, 5, 6, 7, 8, 9]); +gl.bindBuffer(gl.ARRAY_BUFFER, buffer); +gl.bufferData(gl.ARRAY_BUFFER, floatArray, gl.STATIC_DRAW); +wtu.shouldGenerateGLError(gl, gl.NO_ERROR, + "gl.getBufferSubData(gl.ARRAY_BUFFER, 0, retArray)"); +gl.deleteBuffer(buffer); +shouldBeTrue("areArraysEqual(retArray, floatArray)"); + +finishTest(); + +var successfullyParsed = true; +</script> +</body> +</html> |