Index: conformance/limits/gl-min-attribs.html |
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+<!-- |
+ |
+/* |
+** 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 the minimum number of attributes are supported.</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="4" height="4" style="width: 40px; height: 30px;"></canvas> |
+<div id="description"></div> |
+<div id="console"></div> |
+<script id="vshader" type="x-shader/x-vertex"> |
+attribute vec4 vPosition; |
+attribute vec4 v0; |
+attribute vec4 v1; |
+attribute vec4 v2; |
+attribute vec4 v3; |
+attribute vec4 v4; |
+attribute vec4 v5; |
+attribute vec4 v6; |
+varying vec4 color; |
+void main() |
+{ |
+ gl_Position = vPosition; |
+ color = v0 + v1 + v2 + v3 + v4 + v5 + v6; |
+} |
+</script> |
+ |
+<script id="fshader" type="x-shader/x-fragment"> |
+precision mediump float; |
+varying vec4 color; |
+void main() |
+{ |
+ gl_FragColor = color; |
+} |
+</script> |
+<script> |
+"use strict"; |
+description(document.title); |
+var wtu = WebGLTestUtils; |
+var gl = wtu.create3DContext("example"); |
+var program = wtu.setupTexturedQuad(gl); |
+ |
+var program = wtu.setupProgram( |
+ gl, |
+ ['vshader', 'fshader'], |
+ ['vPosition', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5', 'v6'], |
+ [0, 1, 2, 3, 4, 5, 6, 7]); |
+ |
+for (var ii = 0; ii < 7; ++ii) { |
+ var v = (ii + 1) / 28; |
+ var vertexObject = gl.createBuffer(); |
+ gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
+ gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ |
+ v, v/2, v/4, v/8, |
+ v, v/2, v/4, v/8, |
+ v, v/2, v/4, v/8, |
+ v, v/2, v/4, v/8, |
+ v, v/2, v/4, v/8, |
+ v, v/2, v/4, v/8]), gl.STATIC_DRAW); |
+ gl.enableVertexAttribArray(ii + 1); |
+ gl.vertexAttribPointer(ii + 1, 4, gl.FLOAT, false, 0, 0); |
+} |
+ |
+wtu.clearAndDrawUnitQuad(gl); |
+glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
+wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [255, 127, 64, 32], "Should render 255,127,64,32 (+/-1)", 1); |
+ |
+var successfullyParsed = true; |
+ |
+</script> |
+</body> |
+<script src="../../resources/js-test-post.js"></script> |
+ |
+</body> |
+</html> |
+ |
+ |
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