1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/rendering/draw-elements-out-of-bounds.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,177 @@
1.4 +<!--
1.5 +Copyright (C) 2011 Apple Computer, Inc. All rights reserved.
1.6 +
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1.8 +modification, are permitted provided that the following conditions
1.9 +are met:
1.10 +1. Redistributions of source code must retain the above copyright
1.11 + notice, this list of conditions and the following disclaimer.
1.12 +2. Redistributions in binary form must reproduce the above copyright
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1.14 + documentation and/or other materials provided with the distribution.
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1.16 +THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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1.24 +OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.25 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.26 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.27 +-->
1.28 +<!DOCTYPE html>
1.29 +<html>
1.30 +<head>
1.31 +<meta charset="utf-8">
1.32 +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.33 +<script src="../../resources/js-test-pre.js"></script>
1.34 +<script src="../resources/webgl-test.js"></script>
1.35 +</head>
1.36 +<body>
1.37 +<div id="description"></div>
1.38 +<div id="console"></div>
1.39 +
1.40 +<script>
1.41 +description("Test of drawElements with out-of-bounds parameters");
1.42 +
1.43 +var context = create3DContext();
1.44 +var program = loadStandardProgram(context);
1.45 +
1.46 +context.useProgram(program);
1.47 +var vertexObject = context.createBuffer();
1.48 +context.enableVertexAttribArray(0);
1.49 +context.bindBuffer(context.ARRAY_BUFFER, vertexObject);
1.50 +context.bufferData(context.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), context.STATIC_DRAW);
1.51 +context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0);
1.52 +
1.53 +var indexObject = context.createBuffer();
1.54 +
1.55 +debug("Test empty index buffer")
1.56 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);
1.57 +context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ ]), context.STATIC_DRAW);
1.58 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
1.59 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");
1.60 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");
1.61 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");
1.62 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, 0)");
1.63 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");
1.64 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");
1.65 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");
1.66 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");
1.67 +
1.68 +debug("")
1.69 +debug("Test buffer with 3 byte indexes")
1.70 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, indexObject);
1.71 +context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint8Array([ 0, 1, 2 ]), context.STATIC_DRAW);
1.72 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
1.73 +shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_INT, 0)");
1.74 +shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(0x0009, 3, context.UNSIGNED_BYTE, 0)"); // GL_POLYGON
1.75 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 2)");
1.76 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000, context.UNSIGNED_BYTE, 0)");
1.77 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 10000000000000, context.UNSIGNED_BYTE, 0)");
1.78 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 0)");
1.79 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, -1)");
1.80 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, -1, context.UNSIGNED_BYTE, 1)");
1.81 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 1, context.UNSIGNED_BYTE, -1)");
1.82 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 4)");
1.83 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_BYTE, 0)");
1.84 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0)");
1.85 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_BYTE, 0x7fffffff)");
1.86 +
1.87 +shouldGenerateGLError(context, context.NO_ERROR, "context.bufferData(context.ELEMENT_ARRAY_BUFFER, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1), context.STATIC_DRAW)");
1.88 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
1.89 +shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, new Uint8Array([ 3, 0, 1]))");
1.90 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
1.91 +shouldGenerateGLError(context, context.NO_ERROR, "context.bufferSubData(context.ELEMENT_ARRAY_BUFFER, 0, (new Uint8Array([ 3, 0, 1, 2 ])).subarray(1))");
1.92 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_BYTE, 0)");
1.93 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_BYTE, 0)");
1.94 +
1.95 +debug("")
1.96 +debug("Test buffer with interleaved (3+2) float vectors")
1.97 +
1.98 +var program2 = createProgram(context,
1.99 + "attribute vec3 aOne;" +
1.100 + "attribute vec2 aTwo;" +
1.101 + "void main() { gl_Position = vec4(aOne, 1.0) + vec4(aTwo, 0.0, 1.0); }",
1.102 + "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }",
1.103 + [ "aOne", "aTwo" ]);
1.104 +if (!program2) {
1.105 + testFailed("failed to create test program");
1.106 +}
1.107 +
1.108 +context.useProgram(program2);
1.109 +
1.110 +var vbo = context.createBuffer();
1.111 +context.bindBuffer(context.ARRAY_BUFFER, vbo);
1.112 +// enough for 9 vertices, so 3 triangles
1.113 +context.bufferData(context.ARRAY_BUFFER, new Float32Array(9*5), context.STATIC_DRAW);
1.114 +
1.115 +// bind first 3 elements, with a stride of 5 float elements
1.116 +context.vertexAttribPointer(0, 3, context.FLOAT, false, 5*4, 0);
1.117 +// bind 2 elements, starting after the first 3; same stride of 5 float elements
1.118 +context.vertexAttribPointer(1, 2, context.FLOAT, false, 5*4, 3*4);
1.119 +
1.120 +context.enableVertexAttribArray(0);
1.121 +context.enableVertexAttribArray(1);
1.122 +
1.123 +var ebo = context.createBuffer();
1.124 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);
1.125 +context.bufferData(context.ELEMENT_ARRAY_BUFFER, new Uint16Array(
1.126 + [ 0, 1, 2,
1.127 + 1, 2, 0,
1.128 + 2, 0, 1,
1.129 + 200, 200, 200,
1.130 + 0x7fff, 0x7fff, 0x7fff,
1.131 + 0xffff, 0xffff, 0xffff ]),
1.132 + context.STATIC_DRAW);
1.133 +
1.134 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 0)");
1.135 +
1.136 +// invalid type arguments
1.137 +shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.FLOAT, 0)");
1.138 +shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.SHORT, 0)");
1.139 +shouldGenerateGLError(context, context.INVALID_ENUM, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_INT, 0)");
1.140 +
1.141 +// invalid operation with indices that would be valid with correct bindings
1.142 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 9, context.UNSIGNED_SHORT, 1000)");
1.143 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 12, context.UNSIGNED_SHORT, 0)");
1.144 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 15, context.UNSIGNED_SHORT, 0)");
1.145 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 18, context.UNSIGNED_SHORT, 0)");
1.146 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 3, context.UNSIGNED_SHORT, 2*15)");
1.147 +
1.148 +shouldGenerateGLError(context, context.INVALID_VALUE, "context.drawElements(context.TRIANGLES, 0xffffffff, context.UNSIGNED_SHORT, 0)");
1.149 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 0x7fffffff, context.UNSIGNED_SHORT, 0)");
1.150 +
1.151 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 0, context.UNSIGNED_SHORT, 0)");
1.152 +
1.153 +// invalid operation with offset that's not a multiple of the type size
1.154 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");
1.155 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 1)");
1.156 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
1.157 +
1.158 +// invalid operation if no buffer is bound to ELEMENT_ARRAY_BUFFER
1.159 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);
1.160 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 0)");
1.161 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, ebo);
1.162 +
1.163 +debug("")
1.164 +debug("Test buffer setting attrib 0 to a buffer too small and disable it.");
1.165 +var smallVBO = context.createBuffer();
1.166 +shouldBeNonNull('smallVBO');
1.167 +context.bindBuffer(context.ARRAY_BUFFER, smallVBO);
1.168 +context.bufferData(context.ARRAY_BUFFER, 1, context.STATIC_DRAW);
1.169 +context.vertexAttribPointer(0, 3, context.FLOAT, false, 0, 0x10);
1.170 +context.disableVertexAttribArray(0);
1.171 +shouldGenerateGLError(context, context.NO_ERROR, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
1.172 +context.bindBuffer(context.ELEMENT_ARRAY_BUFFER, null);
1.173 +shouldGenerateGLError(context, context.INVALID_OPERATION, "context.drawElements(context.TRIANGLES, 6, context.UNSIGNED_SHORT, 2)");
1.174 +debug("")
1.175 +successfullyParsed = true;
1.176 +</script>
1.177 +
1.178 +<script>finishTest();</script>
1.179 +</body>
1.180 +</html>
