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Unified Diff: conformance/attribs/gl-vertexattribpointer.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/attribs/gl-vertexattribpointer.html
===================================================================
--- conformance/attribs/gl-vertexattribpointer.html (revision 0)
+++ conformance/attribs/gl-vertexattribpointer.html (revision 0)
@@ -0,0 +1,133 @@
+<!--
+Copyright (c) 2011 The Chromium Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+ -->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL vertexAttribPointer Conformance Tests</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
+<script src="../../resources/js-test-pre.js"></script>
+<script src="../resources/webgl-test.js"></script>
+<script src="../resources/webgl-test-utils.js"></script>
+</head>
+<body>
+<div id="description"></div>
+<div id="console"></div>
+<canvas id="canvas" width="2" height="2"> </canvas>
+<script>
+description("This test checks vertexAttribPointer behaviors in WebGL.");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = create3DContext(document.getElementById("canvas"));
+if (!gl) {
+ testFailed("context does not exist");
+} else {
+ testPassed("context exists");
+
+ debug("");
+ debug("Checking gl.vertexAttribPointer.");
+
+ if (!gl.FIXED) {
+ gl.FIXED = 0x140C;
+ }
+
+ gl.vertexAttribPointer(0, 3, gl.FLOAT, 0, 0, 12);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION,
+ "vertexAttribPointer should fail if no buffer is bound");
+
+ var vertexObject = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(0), gl.STATIC_DRAW);
+
+ gl.vertexAttribPointer(0, 1, gl.INT, 0, 0, 0);
+ glErrorShouldBe(gl, gl.INVALID_ENUM,
+ "vertexAttribPointer should not support INT");
+ gl.vertexAttribPointer(0, 1, gl.UNSIGNED_INT, 0, 0, 0);
+ glErrorShouldBe(gl, gl.INVALID_ENUM,
+ "vertexAttribPointer should not support UNSIGNED_INT");
+ gl.vertexAttribPointer(0, 1, gl.FIXED, 0, 0, 0);
+ glErrorShouldBe(gl, gl.INVALID_ENUM,
+ "vertexAttribPointer should not support FIXED");
+
+ function checkVertexAttribPointer(
+ gl, err, reason, size, type, normalize, stride, offset) {
+ gl.vertexAttribPointer(0, size, type, normalize, stride, offset);
+ glErrorShouldBe(gl, err,
+ "gl.vertexAttribPointer(0, " + size +
+ ", gl." + wtu.glEnumToString(gl, type) +
+ ", " + normalize +
+ ", " + stride +
+ ", " + offset +
+ ") should " + (err == gl.NO_ERROR ? "succeed " : "fail ") + reason);
+ }
+
+ var types = [
+ { type:gl.BYTE, bytesPerComponent: 1 },
+ { type:gl.UNSIGNED_BYTE, bytesPerComponent: 1 },
+ { type:gl.SHORT, bytesPerComponent: 2 },
+ { type:gl.UNSIGNED_SHORT, bytesPerComponent: 2 },
+ { type:gl.FLOAT, bytesPerComponent: 4 },
+ ];
+
+ for (var ii = 0; ii < types.length; ++ii) {
+ var info = types[ii];
+ debug("");
+ for (var size = 1; size <= 4; ++size) {
+ debug("");
+ debug("checking: " + wtu.glEnumToString(gl, info.type) + " with size " + size);
+ var bytesPerElement = size * info.bytesPerComponent;
+ var offsetSet = [
+ 0,
+ 1,
+ info.bytesPerComponent - 1,
+ info.bytesPerComponent,
+ info.bytesPerComponent + 1,
+ info.bytesPerComponent * 2];
+ for (var jj = 0; jj < offsetSet.length; ++jj) {
+ var offset = offsetSet[jj];
+ for (var kk = 0; kk < offsetSet.length; ++kk) {
+ var stride = offsetSet[kk];
+ var err = gl.NO_ERROR;
+ var reason = ""
+ if (offset % info.bytesPerComponent != 0) {
+ reason = "because offset is bad";
+ err = gl.INVALID_OPERATION;
+ }
+ if (stride % info.bytesPerComponent != 0) {
+ reason = "because stride is bad";
+ err = gl.INVALID_OPERATION;
+ }
+ checkVertexAttribPointer(
+ gl, err, reason, size, info.type, false, stride, offset);
+ }
+ var stride = Math.floor(255 / info.bytesPerComponent) * info.bytesPerComponent;
+
+ if (offset == 0) {
+ checkVertexAttribPointer(
+ gl, gl.NO_ERROR, "at stride limit",
+ size, info.type, false, stride, offset);
+ checkVertexAttribPointer(
+ gl, gl.INVALID_VALUE, "over stride limit",
+ size, info.type, false,
+ stride + info.bytesPerComponent, offset);
+ }
+ }
+ }
+ }
+}
+
+debug("");
+successfullyParsed = true;
+
+</script>
+<script src="../../resources/js-test-post.js"></script>
+
+</body>
+</html>
Property changes on: conformance/attribs/gl-vertexattribpointer.html
___________________________________________________________________
Added: svn:eol-style
+ LF
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