| <!-- |
| Copyright (c) 2019 The Khronos Group Inc. |
| Use of this source code is governed by an MIT-style license that can be |
| found in the LICENSE.txt file. |
| --> |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>GLSL vector/scalar arithmetic inside a for loop</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> |
| <script src="../../../js/glsl-conformance-test.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="fShaderVectorMulAndAddInsideForLoop" type="x-shader/x-fragment"> |
| void main(){ |
| gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); |
| for (int i = 0; i < 2; i++) |
| { |
| gl_FragColor += (2.0 * gl_FragCoord.x); |
| } |
| if (gl_FragColor.g == gl_FragColor.r && |
| gl_FragColor.b == gl_FragColor.r && |
| gl_FragColor.a == gl_FragColor.r) |
| { |
| gl_FragColor = vec4(0, 1, 0, 1); |
| } |
| } |
| </script> |
| <script id="fShaderVectorCompoundMulAndAddInsideForLoop" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| void main() { |
| gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); |
| for (int i = 0; i < 2; i++) |
| { |
| float x = gl_FragCoord.x; |
| gl_FragColor = gl_FragColor + (x *= 2.0); |
| } |
| if (gl_FragColor.g == gl_FragColor.r && |
| gl_FragColor.b == gl_FragColor.r && |
| gl_FragColor.a == gl_FragColor.r) |
| { |
| gl_FragColor = vec4(0, 1, 0, 1); |
| } |
| } |
| </script> |
| <script id="fShaderVectorCompoundDivAndAddInsideForLoop" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| void main() { |
| gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); |
| for (int i = 0; i < 2; i++) |
| { |
| float x = gl_FragCoord.x; |
| gl_FragColor = gl_FragColor + (x /= 2.0); |
| } |
| if (gl_FragColor.g == gl_FragColor.r && |
| gl_FragColor.b == gl_FragColor.r && |
| gl_FragColor.a == gl_FragColor.r) |
| { |
| gl_FragColor = vec4(0, 1, 0, 1); |
| } |
| } |
| </script> |
| <script type="text/javascript"> |
| "use strict"; |
| description(); |
| |
| // See http://crbug.com/772651 |
| |
| GLSLConformanceTester.runRenderTests([ |
| { |
| fShaderId: 'fShaderVectorMulAndAddInsideForLoop', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Adding a scalar to a vector inside for loop should work." |
| }, |
| { |
| fShaderId: 'fShaderVectorCompoundMulAndAddInsideForLoop', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Adding a scalar (target of a compound assignment/multiplication operation) to a vector inside for loop should work." |
| }, |
| { |
| fShaderId: 'fShaderVectorCompoundDivAndAddInsideForLoop', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Adding a scalar (target of a compound assignment/division operation) to a vector inside for loop should work." |
| } |
| ]); |
| </script> |
| </body> |
| </html> |
