| <!-- |
| 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>ESSL300 sampler array indexing rules</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="vs" type="text/plain">#version 300 es |
| void main() {} |
| </script> |
| <script id="fs_constant_integer_expression" type="text/plain">#version 300 es |
| precision mediump float; |
| uniform sampler2D u_tex[2]; |
| |
| void main() |
| { |
| texture(u_tex[0], vec2(0)); |
| texture(u_tex[1], vec2(0)); |
| } |
| </script> |
| <script id="fs_constant_index_expression" type="text/plain">#version 300 es |
| precision mediump float; |
| uniform sampler2D u_tex[2]; |
| |
| void main() |
| { |
| for (int i = 0; i < 2; i++) { |
| texture(u_tex[i], vec2(0)); |
| } |
| } |
| </script> |
| <script id="fs_constant_integer_expression_switch" type="text/plain">#version 300 es |
| precision mediump float; |
| uniform sampler2D u_tex[2]; |
| |
| void main() |
| { |
| for (int i = 0; i < 2; i++) { |
| switch (i) { |
| case 0: |
| texture(u_tex[0], vec2(0)); |
| break; |
| case 1: |
| texture(u_tex[1], vec2(0)); |
| break; |
| } |
| } |
| } |
| </script> |
| <script type="application/javascript"> |
| "use strict"; |
| description(); |
| GLSLConformanceTester.runTests([ |
| { |
| vShaderId: "vs", |
| vShaderSuccess: true, |
| fShaderId: "fs_constant_integer_expression", |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "indexing into an array of samplers with constant-integer-expression is required", |
| }, |
| { |
| vShaderId: "vs", |
| vShaderSuccess: true, |
| fShaderId: "fs_constant_index_expression", |
| fShaderSuccess: false, |
| linkSuccess: false, |
| passMsg: "indexing into an array of samplers with constant-index-expression is forbidden in essl300", |
| }, |
| { |
| vShaderId: "vs", |
| vShaderSuccess: true, |
| fShaderId: "fs_constant_integer_expression_switch", |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: "constant-index-expression can be converted into fs_constant_integer_expression via a switch", |
| }, |
| ], 2); |
| </script> |
| </body> |
| </html> |
