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Unified Diff: conformance/buffers/index-validation.html

Issue 8342021: Add webgl conformance tests r15841. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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Index: conformance/buffers/index-validation.html
===================================================================
--- conformance/buffers/index-validation.html (revision 0)
+++ conformance/buffers/index-validation.html (revision 0)
@@ -0,0 +1,140 @@
+<!--
+Copyright (c) 2011 The Chromium Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+ * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+ * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../resources/js-test-pre.js"></script>
+<script src="../resources/webgl-test.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+
+<script>
+description("Tests that index validation verifies the correct number of indices");
+
+function sizeInBytes(type) {
+ switch (type) {
+ case gl.BYTE:
+ case gl.UNSIGNED_BYTE:
+ return 1;
+ case gl.SHORT:
+ case gl.UNSIGNED_SHORT:
+ return 2;
+ case gl.INT:
+ case gl.UNSIGNED_INT:
+ case gl.FLOAT:
+ return 4;
+ default:
+ throw "unknown type";
+ }
+}
+
+var gl = create3DContext();
+var program = loadStandardProgram(gl);
+
+// 3 vertices => 1 triangle, interleaved data
+var dataComplete = new Float32Array([0, 0, 0, 1,
+ 0, 0, 1,
+ 1, 0, 0, 1,
+ 0, 0, 1,
+ 1, 1, 1, 1,
+ 0, 0, 1]);
+var dataIncomplete = new Float32Array([0, 0, 0, 1,
+ 0, 0, 1,
+ 1, 0, 0, 1,
+ 0, 0, 1,
+ 1, 1, 1, 1]);
+var indices = new Uint16Array([0, 1, 2]);
+
+debug("Testing with valid indices");
+
+var bufferComplete = gl.createBuffer();
+gl.bindBuffer(gl.ARRAY_BUFFER, bufferComplete);
+gl.bufferData(gl.ARRAY_BUFFER, dataComplete, gl.STATIC_DRAW);
+var elements = gl.createBuffer();
+gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, elements);
+gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW);
+gl.useProgram(program);
+var vertexLoc = gl.getAttribLocation(program, "a_vertex");
+var normalLoc = gl.getAttribLocation(program, "a_normal");
+gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);
+gl.enableVertexAttribArray(vertexLoc);
+gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
+gl.enableVertexAttribArray(normalLoc);
+shouldBe('gl.checkFramebufferStatus(gl.FRAMEBUFFER)', 'gl.FRAMEBUFFER_COMPLETE');
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+glErrorShouldBe(gl, gl.NO_ERROR);
+
+debug("Testing with out-of-range indices");
+
+var bufferIncomplete = gl.createBuffer();
+gl.bindBuffer(gl.ARRAY_BUFFER, bufferIncomplete);
+gl.bufferData(gl.ARRAY_BUFFER, dataIncomplete, gl.STATIC_DRAW);
+gl.vertexAttribPointer(vertexLoc, 4, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 0);
+gl.enableVertexAttribArray(vertexLoc);
+gl.disableVertexAttribArray(normalLoc);
+debug("Enable vertices, valid");
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+glErrorShouldBe(gl, gl.NO_ERROR);
+debug("Enable normals, out-of-range");
+gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
+gl.enableVertexAttribArray(normalLoc);
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+glErrorShouldBe(gl, gl.INVALID_OPERATION);
+
+debug("Test with enabled attribute that does not belong to current program");
+
+gl.disableVertexAttribArray(normalLoc);
+var extraLoc = Math.max(vertexLoc, normalLoc) + 1;
+gl.enableVertexAttribArray(extraLoc);
+debug("Enable an extra attribute with null");
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+glErrorShouldBe(gl, gl.INVALID_OPERATION);
+debug("Enable an extra attribute with insufficient data buffer");
+gl.vertexAttribPointer(extraLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), 4 * sizeInBytes(gl.FLOAT));
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+gl.vertexAttribPointer(normalLoc, 3, gl.FLOAT, false, 7 * sizeInBytes(gl.FLOAT), -2000000000 * sizeInBytes(gl.FLOAT));
+glErrorShouldBe(gl, gl.NO_ERROR);
+shouldBeUndefined('gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0)');
+
+successfullyParsed = true;
+</script>
+
+<script src="../../resources/js-test-post.js"></script>
+</body>
+</html>
Property changes on: conformance/buffers/index-validation.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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