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| ** Copyright (c) 2014 The Khronos Group Inc. |
| ** |
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| ** "Materials"), to deal in the Materials without restriction, including |
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| --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>WebGL GLSL Conformance Tests</title> |
| <link rel="stylesheet" href="../../../resources/js-test-style.css" /> |
| <link rel="stylesheet" href="../../../resources/glsl-feature-tests.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="vertexShaderLiteralLoopCondition" type="text/something-not-javascript"> |
| attribute vec4 a_position; |
| void main() |
| { |
| for (int i = 0; i < 5 + 5; i++) { } |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fragmentShaderLiteralLoopCondition" type="text/something-not-javascript"> |
| void main() |
| { |
| for (int i = 0; i < 5 + 5; i++) { } |
| gl_FragColor = vec4(1.0); |
| } |
| </script> |
| <script id="vertexShaderConstVarLoopCondition" type="text/something-not-javascript"> |
| attribute vec4 a_position; |
| void main() |
| { |
| // Explicitly constant variables can be part of a constant expression |
| const int constVar = 5; |
| for (int i = 0; i < 5 + constVar; i++) { } |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fragmentShaderConstVarLoopCondition" type="text/something-not-javascript"> |
| void main() |
| { |
| // Explicitly constant variables can be part of a constant expression |
| const int constVar = 5; |
| for (int i = 0; i < constVar + 5; i++) { } |
| gl_FragColor = vec4(1.0); |
| } |
| </script> |
| <script id="vertexShaderNonConstVarLoopCondition" type="text/something-not-javascript"> |
| attribute vec4 a_position; |
| void main() |
| { |
| // Despite assigning a constant and not modifying it, nonConstVar is not semantically a constant expression |
| int nonConstVar = 10; |
| for (int i = 0; i < nonConstVar; i++) { } |
| gl_Position = a_position; |
| } |
| </script> |
| <script id="fragmentShaderNonConstVarLoopCondition" type="text/something-not-javascript"> |
| void main() |
| { |
| // Despite assigning a constant and not modifying it, nonConstVar is not semantically a constant expression |
| int nonConstVar = 10; |
| for (int i = 0; i < nonConstVar; i++) { } |
| gl_FragColor = vec4(1.0); |
| } |
| </script> |
| <script> |
| "use strict"; |
| var wtu = WebGLTestUtils; |
| |
| var tests = []; |
| tests.push({ |
| vShaderSource: wtu.getScript("vertexShaderLiteralLoopCondition"), |
| vShaderSuccess: true, |
| fShaderSource: wtu.getScript("fragmentShaderLiteralLoopCondition"), |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Shaders with literals in the loop condition should compile and link.", |
| }); |
| tests.push({ |
| vShaderSource: wtu.getScript("vertexShaderConstVarLoopCondition"), |
| vShaderSuccess: true, |
| fShaderSource: wtu.getScript("fragmentShaderConstVarLoopCondition"), |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "Shaders with constant variables in the loop condition should compile and link.", |
| }); |
| tests.push({ |
| vShaderSource: wtu.getScript("vertexShaderNonConstVarLoopCondition"), |
| vShaderSuccess: false, |
| fShaderSource: wtu.getScript("fragmentShaderLiteralLoopCondition"), |
| fShaderSuccess: true, |
| linkSuccess: false, |
| passMsg: "Vertex shader with non-const variable in the loop condition should fail.", |
| }); |
| tests.push({ |
| vShaderSource: wtu.getScript("vertexShaderLiteralLoopCondition"), |
| vShaderSuccess: true, |
| fShaderSource: wtu.getScript("fragmentShaderNonConstVarLoopCondition"), |
| fShaderSuccess: false, |
| linkSuccess: false, |
| passMsg: "Fragment shader with non-const variable in the loop condition should fail.", |
| }); |
| |
| GLSLConformanceTester.runTests(tests); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |