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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 |
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| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Simple 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-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 a_Position; |
| void main() |
| { |
| gl_Position = a_Position; |
| } |
| </script> |
| |
| <script id="fshader" type="x-shader/x-fragment"> |
| void main() |
| { |
| gl_FragColor = vec4(0,1,0,1); |
| } |
| </script> |
| <script> |
| "use strict"; |
| var wtu = WebGLTestUtils; |
| function init() |
| { |
| description(); |
| |
| var gl = wtu.create3DContext("example"); |
| var program = wtu.loadProgramFromScript(gl, "vshader", "fshader"); |
| gl.useProgram(program); |
| var loc = gl.getAttribLocation(program, "a_Position"); |
| |
| var vertexObject = gl.createBuffer(); |
| gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| gl.bufferData( |
| gl.ARRAY_BUFFER, |
| new Float32Array( |
| [ 1, 1, |
| -1, 1, |
| -1, -1, |
| 1, 1, |
| -1, -1, |
| 1, -1]), |
| gl.STATIC_DRAW); |
| gl.enableVertexAttribArray(loc); |
| gl.vertexAttribPointer(loc, 2, gl.FLOAT, false, 0, 0); |
| |
| gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); |
| wtu.checkCanvas(gl, [0,0,0,0], "should be black", 0); |
| gl.drawArrays(gl.TRIANGLES, 0, 6); |
| wtu.checkCanvas(gl, [0,255,0,255], "should be green", 0); |
| |
| wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors"); |
| } |
| |
| init(); |
| var successfullyParsed = true; |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| |
| </body> |
| </html> |
