| <!-- |
| 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 mat4 to mat3 test</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-generator.js"> </script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="shader_emu" type="something-not-js"> |
| mat3 mat3_emu(mat4 m4) { |
| return mat3( |
| m4[0][0], m4[0][1], m4[0][2], |
| m4[1][0], m4[1][1], m4[1][2], |
| m4[2][0], m4[2][1], m4[2][2]); |
| } |
| </script> |
| <script id="shader_test" type="something-not-js"> |
| mat4 m4 = mat4($(input), $(input).yzwx, $(input).zwxy, $(input).wxyz); |
| mat3 m3 = $(conversion)(m4); |
| vec3 c; |
| if ($(input).y < 0.33) { |
| c = m3[0]; |
| } else if ($(input).y > 0.66) { |
| c = m3[1]; |
| } else { |
| c = m3[2]; |
| } |
| $(output) = vec4(c, 1); |
| </script> |
| <script> |
| "use strict"; |
| // See resources glsl-generator runBasicTest for how this works |
| var wtu = WebGLTestUtils; |
| GLSLGenerator.runBasicTest({ |
| gridRes: 8, |
| tests: [ |
| { |
| name: "mat4 to mat3", |
| reference: { |
| shader: wtu.getScript("shader_test"), |
| subs: { |
| emu: wtu.getScript("shader_emu"), |
| conversion: "mat3_emu" |
| } |
| }, |
| test: { |
| shader: wtu.getScript("shader_test"), |
| subs: { |
| conversion: "mat3" |
| }, |
| } |
| } |
| ] |
| }); |
| var successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
