Index: third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-zero-issues.html |
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--- third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-zero-issues.html (revision 0) |
+++ third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-zero-issues.html (revision 0) |
@@ -0,0 +1,113 @@ |
+<!-- |
+ |
+/* |
+** Copyright (c) 2012 The Khronos Group Inc. |
+** |
+** Permission is hereby granted, free of charge, to any person obtaining a |
+** copy of this software and/or associated documentation files (the |
+** "Materials"), to deal in the Materials without restriction, including |
+** without limitation the rights to use, copy, modify, merge, publish, |
+** distribute, sublicense, and/or sell copies of the Materials, and to |
+** permit persons to whom the Materials are furnished to do so, subject to |
+** the following conditions: |
+** |
+** The above copyright notice and this permission notice shall be included |
+** in all copies or substantial portions of the Materials. |
+** |
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
+*/ |
+ |
+--> |
+ |
+<!DOCTYPE html> |
+<html> |
+<head> |
+<meta charset="utf-8"> |
+<title>WebGL Enable Vertex Attrib Zero 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"> |
+</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"> |
+ void main() |
+ { |
+ gl_FragColor = vec4(0.0,0.0,0.0,0.0); |
+ } |
+</script> |
+ |
+<script> |
+description("Test some of the issues of the difference between attrib 0 on OpenGL vs WebGL"); |
+debug(""); |
+var wtu = WebGLTestUtils; |
+var gl = wtu.create3DContext("example"); |
+ |
+function setup(numVerts, attribIndex) { |
+ var program = wtu.setupProgram( |
+ gl, ['vshader', 'fshader'], ['vPosition'], [attribIndex]); |
+ // draw with something on attrib zero with a small number of vertices |
+ var vertexObject = gl.createBuffer(); |
+ g_program = program; |
+ g_attribLocation = attribIndex; |
+ shouldBe("g_attribLocation", "gl.getAttribLocation(g_program, 'vPosition')"); |
+ gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
+ gl.bufferData( |
+ gl.ARRAY_BUFFER, new Float32Array(numVerts * 3), gl.STATIC_DRAW); |
+ gl.vertexAttribPointer(attribIndex, 3, gl.FLOAT, false, 0, 0); |
+ var indices = new Uint16Array(numVerts); |
+ for (var ii = 0; ii < numVerts; ++ii) { |
+ indices[ii] = ii; |
+ } |
+ var indexBuffer = gl.createBuffer(); |
+ gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, indexBuffer); |
+ gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indices, gl.STATIC_DRAW); |
+ return program; |
+} |
+ |
+var p1 = setup(3, 0); |
+var p2 = setup(60000, 3); |
+ |
+for (var ii = 0; ii < 5; ++ii) { |
+ gl.useProgram(p1); |
+ gl.enableVertexAttribArray(0); |
+ gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0); |
+ glErrorShouldBe( |
+ gl, gl.NO_ERROR, |
+ "drawing using attrib 0 with 3 verts"); |
+ |
+ gl.useProgram(p2); |
+ gl.enableVertexAttribArray(3); |
+ gl.drawArrays(gl.LINES, 0, 60000); |
+ glErrorShouldBe( |
+ gl, gl.NO_ERROR, |
+ "drawing using attrib 3 with 60000 verts"); |
+} |
+ |
+wtu.checkCanvas(gl, [0, 0, 0, 0], "canvas should be 0, 0, 0, 0"); |
+ |
+successfullyParsed = true; |
+</script> |
+<script src="../../resources/js-test-post.js"></script> |
+ |
+</body> |
+</html> |
+ |
Property changes on: third_party/webgl/sdk/tests/conformance/attribs/gl-vertex-attrib-zero-issues.html |
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Added: svn:eol-style |
+ LF |