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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-large-buffer.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-large-buffer.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-large-buffer.html b/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-large-buffer.html new file mode 100644 index 0000000000..a0427039a0 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-large-buffer.html @@ -0,0 +1,56 @@ +<!-- +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"> +<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('Tests that index validation for drawElements works with large attribute buffers'); + +var wtu = WebGLTestUtils; +var context = wtu.create3DContext(); +var program = wtu.loadStandardProgram(context); + +context.useProgram(program); + +// Create a small index buffer. +var indexObject = context.createBuffer(); +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); +var indexArray = new Uint16Array([0, 1, 2]); +context.bufferData(context.ELEMENT_ARRAY_BUFFER, indexArray, context.STATIC_DRAW); + +// Create a large attribute buffer. +var vertexObject = context.createBuffer(); +context.enableVertexAttribArray(0); +context.bindBuffer(context.ARRAY_BUFFER, vertexObject); +context.bufferData(context.ARRAY_BUFFER, new Float32Array(3 * 65536), context.STATIC_DRAW); +context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); + +debug("Test large attribute buffer") +wtu.shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 0)"); + +// Enlarge the attribute buffer slightly. +debug("Test even larger attribute buffer") +context.bufferData(context.ARRAY_BUFFER, new Float32Array(3 * 65536 + 3), context.STATIC_DRAW); +wtu.shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 0)"); + +debug("") +var successfullyParsed = true; +</script> + +<script src="../../js/js-test-post.js"></script> +</body> +</html> |