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Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-verifies-too-many-indices.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-verifies-too-many-indices.html | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-verifies-too-many-indices.html b/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-verifies-too-many-indices.html new file mode 100644 index 0000000000..8ebbf4f32d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/buffers/index-validation-verifies-too-many-indices.html @@ -0,0 +1,50 @@ +<!-- +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 does not examine too many indices'); + +var wtu = WebGLTestUtils; +var context = wtu.create3DContext(); +var program = wtu.loadStandardProgram(context); + +context.useProgram(program); +var vertexObject = context.createBuffer(); +context.enableVertexAttribArray(0); +context.bindBuffer(context.ARRAY_BUFFER, vertexObject); +// 4 vertices -> 2 triangles +context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0,0, 0,1,0, 1,0,0, 1,1,0 ]), context.STATIC_DRAW); +context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0); + +var indexObject = context.createBuffer(); + +debug("Test out of range indices") +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject); +context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array([ 10000, 0, 1, 2, 3, 10000 ]), context.STATIC_DRAW); +var indexValidationError = wtu.shouldGenerateGLError(context, [context.INVALID_OPERATION, context.NO_ERROR], "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 0)"); +wtu.shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 2)"); +wtu.shouldGenerateGLError(context, indexValidationError, "context.drawElements(context.TRIANGLE_STRIP, 4, context.UNSIGNED_SHORT, 4)"); + +debug("") +var successfullyParsed = true; +</script> + +<script src="../../js/js-test-post.js"></script> +</body> +</html> |