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| /* |
| ** Copyright (c) 2017 The Khronos Group Inc. |
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| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
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| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Short circuit in loop condition test</title> |
| <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| <script src="../../js/js-test-pre.js"></script> |
| <script src="../../js/webgl-test-utils.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="vertex-shader" type="x-shader/x-vertex">#version 300 es |
| precision highp float; |
| in vec4 aPosition; |
| |
| void main() { |
| gl_Position = aPosition; |
| } |
| </script> |
| <script id="fragment-shader" type="x-shader/x-fragment">#version 300 es |
| precision highp float; |
| precision highp int; |
| |
| uniform vec4 iMouse; |
| uniform sampler2D iChannel0; |
| |
| float map(float p) |
| { |
| return texture(iChannel0, vec2(p, p), 0.0).y; |
| } |
| |
| out vec4 outColor; |
| |
| void main(void) |
| { |
| float sum = 0.0; |
| |
| for(int i=0; i<1000; i++) |
| { |
| if( sum > 0.99 ) break; |
| float p = iMouse.x + gl_FragCoord.x; |
| sum = map(p); |
| } |
| |
| outColor = vec4(sum); |
| } |
| </script> |
| <script type="text/javascript"> |
| "use strict"; |
| description("Test an HLSL compiler freeze on a gradient inside a discontinuous loop."); |
| |
| var wtu = WebGLTestUtils; |
| var gl = wtu.create3DContext(undefined, undefined, 2); |
| wtu.setupUnitQuad(gl); |
| |
| if (!gl) { |
| testFailed("context does not exist"); |
| } else { |
| var program = wtu.setupProgram(gl, ["vertex-shader", "fragment-shader"], ['aPosition'], undefined, true); |
| if (!program) { |
| testFailed('Program compilation failed'); |
| } |
| } |
| var successfullyParsed = true; |
| finishTest(); |
| </script> |
| </body> |
| </html> |
