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Unified Diff: conformance/attribs/gl-vertexattribpointer-offsets.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-offsets.html
===================================================================
--- conformance/attribs/gl-vertexattribpointer-offsets.html (revision 0)
+++ conformance/attribs/gl-vertexattribpointer-offsets.html (revision 0)
@@ -0,0 +1,192 @@
+<!--
+Copyright (C) 2011 Apple Computer, Inc. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+2. 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.
+
+THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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">
+ <title>Rendering Test</title>
+ <link rel="stylesheet" href="../../resources/js-test-style.css"/>
+ <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>
+<canvas id="example" width="50" height="50">
+There is supposed to be an example drawing here, but it's not important.
+</canvas>
+<div id="description"></div>
+<div id="console"></div>
+ <script id="vshader" type="x-shader/x-vertex">
+ attribute vec4 vPosition;
+ void main()
+ {
+ gl_Position = vPosition;
+ }
+ </script>
+
+ <script id="fshader" type="x-shader/x-fragment">
+ precision mediump float;
+ uniform vec4 color;
+ void main()
+ {
+ gl_FragColor = color;
+ }
+ </script>
+
+ <script>
+ function fail(x,y, buf, shouldBe)
+ {
+ var i = (y*50+x) * 4;
+ var reason = "pixel at ("+x+","+y+") is ("+buf[i]+","+buf[i+1]+","+buf[i+2]+","+buf[i+3]+"), should be "+shouldBe;
+ testFailed(reason);
+ }
+
+ function pass()
+ {
+ testPassed("drawing is correct");
+ }
+
+ function init()
+ {
+ if (window.initNonKhronosFramework) {
+ window.initNonKhronosFramework(false);
+ }
+
+ wtu = WebGLTestUtils;
+ gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
+
+ var tests = [
+ { data: new Float32Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.FLOAT,
+ componentSize: 4,
+ normalize: false,
+ },
+ { data: new Float32Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.FLOAT,
+ componentSize: 4,
+ normalize: false,
+ },
+ { data: new Uint16Array([ 0, 32767, 0, 32767, 0, 0, 0, 0, 0 ]),
+ type: gl.SHORT,
+ componentSize: 2,
+ normalize: true,
+ },
+ { data: new Uint16Array([ 0, 65535, 0, 65535, 0, 0, 0, 0, 0 ]),
+ type: gl.UNSIGNED_SHORT,
+ componentSize: 2,
+ normalize: true,
+ },
+ { data: new Uint16Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.UNSIGNED_SHORT,
+ componentSize: 2,
+ normalize: false,
+ },
+ { data: new Uint16Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.SHORT,
+ componentSize: 2,
+ normalize: false,
+ },
+ { data: new Uint8Array([ 0, 127, 0, 127, 0, 0, 0, 0, 0 ]),
+ type: gl.BYTE,
+ componentSize: 1,
+ normalize: true,
+ },
+ { data: new Uint8Array([ 0, 255, 0, 255, 0, 0, 0, 0, 0 ]),
+ type: gl.UNSIGNED_BYTE,
+ componentSize: 1,
+ normalize: true,
+ },
+ { data: new Uint8Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.BYTE,
+ componentSize: 1,
+ normalize: false,
+ },
+ { data: new Uint8Array([ 0, 1, 0, 1, 0, 0, 0, 0, 0 ]),
+ type: gl.UNSIGNED_BYTE,
+ componentSize: 1,
+ normalize: false,
+ }
+ ];
+
+ var vertexObject = gl.createBuffer();
+ gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
+ gl.bufferData(gl.ARRAY_BUFFER, 1024, gl.STATIC_DRAW);
+ gl.enableVertexAttribArray(0);
+
+ var colorLoc = gl.getUniformLocation(gl.program, "color");
+ var kNumVerts = 3;
+ var kNumComponents = 3;
+
+ var count = 0;
+ for (var tt = 0; tt < tests.length; ++tt) {
+ var test = tests[tt];
+ for (var oo = 0; oo < 3; ++oo) {
+ for (var ss = 0; ss < 3; ++ss) {
+ var offset = (oo + 1) * test.componentSize;
+ var color = (count % 2) ? [1, 0, 0, 1] : [0, 1, 0, 1];
+ var stride = test.componentSize * kNumComponents + test.componentSize * ss;
+ debug("");
+ debug("check with " + wtu.glEnumToString(gl, test.type) + " at offset: " + offset + " with stride:" + stride + " normalize: " + test.normalize);
+ gl.uniform4fv(colorLoc, color);
+ var data = new Uint8Array(test.componentSize * kNumVerts * kNumComponents + stride * (kNumVerts - 1));
+ var view = new Uint8Array(test.data.buffer);
+ var size = test.componentSize * kNumComponents;
+ for (var jj = 0; jj < kNumVerts; ++jj) {
+ var off1 = jj * size;
+ var off2 = jj * stride;
+ for (var zz = 0; zz < size; ++zz) {
+ data[off2 + zz] = view[off1 + zz];
+ }
+ }
+ gl.bufferSubData(gl.ARRAY_BUFFER, offset, data);
+ gl.vertexAttribPointer(0, 3, test.type, test.normalize, stride, offset);
+ gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+ gl.drawArrays(gl.TRIANGLES, 0, 3);
+
+ var buf = new Uint8Array(50 * 50 * 4);
+ gl.readPixels(0, 0, 50, 50, gl.RGBA, gl.UNSIGNED_BYTE, buf);
+
+ var black = [0, 0, 0, 255];
+ var other = [color[0] * 255, color[1] * 255, color[2] * 255, color[3] * 255];
+ var otherMsg = "should be " + ((count % 2) ? "red" : "green")
+ wtu.checkCanvasRect(gl, 0, 0, 1, 1, black, "should be black", 0);
+ wtu.checkCanvasRect(gl, 0, 49, 1, 1, black, "should be black", 0);
+ wtu.checkCanvasRect(gl, 26, 40, 1, 1, other, otherMsg, 0);
+ wtu.checkCanvasRect(gl, 26, 27, 1, 1, other, otherMsg, 0);
+ wtu.checkCanvasRect(gl, 40, 27, 1, 1, other, otherMsg, 0);
+ ++count;
+ }
+ }
+ }
+ }
+
+ init();
+ successfullyParsed = true;
+ </script>
+<script src="../../resources/js-test-post.js"></script>
+
+</body>
+</html>
Property changes on: conformance/attribs/gl-vertexattribpointer-offsets.html
___________________________________________________________________
Added: svn:executable
+ *
Added: svn:eol-style
+ LF
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