| <!-- |
| 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>Dynamically-indexed row-major matrix 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> |
| <script src="../../js/glsl-conformance-test.js"></script> |
| </head> |
| <body> |
| <div id="description"></div> |
| <div id="console"></div> |
| <script id="fshaderIndexRowMajorMatrixArrayInUniformBlock" type="x-shader/x-fragment">#version 300 es |
| precision mediump float; |
| |
| out vec4 my_FragColor; |
| |
| uniform int u_zero; |
| |
| layout(row_major) uniform a { |
| mat4 u_mats[1]; |
| }; |
| |
| void main() { |
| float f = u_mats[u_zero + 0][2][1]; |
| my_FragColor = vec4(1.0 - f, f, 0.0, 1.0); |
| } |
| </script> |
| <script id="fshaderRowMatrixIndexedByRowMatrixInUniformBlock" type="x-shader/x-fragment">#version 300 es |
| precision mediump float; |
| |
| uniform Stuff { |
| layout(row_major) mat4 u_mat[3]; |
| layout(row_major) mat4 u_ndx[3]; |
| } stuff; |
| |
| |
| out vec4 my_FragColor; |
| |
| void main() { |
| vec4 row = stuff.u_mat[int(stuff.u_ndx[1][1][3])][2]; |
| my_FragColor = row == vec4(9, 10, 11, 12) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1); |
| } |
| </script> |
| <script type="application/javascript"> |
| "use strict"; |
| description("Indexing row-major matrices within a uniform block should work"); |
| |
| GLSLConformanceTester.runRenderTests([ |
| { |
| fShaderId: 'fshaderIndexRowMajorMatrixArrayInUniformBlock', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: '', |
| uniformBlocks: [{name: "a", value: new Float32Array([ |
| 0, 0, 0, 0, |
| 0, 0, 1, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| ])}], |
| }, |
| { |
| fShaderId: 'fshaderRowMatrixIndexedByRowMatrixInUniformBlock', |
| fShaderSuccess: true, |
| linkSuccess: true, |
| passMsg: '', |
| uniformBlocks: [{name: "Stuff", value: new Float32Array([ |
| // mat4 u_mat[3] |
| 1, 2, 3, 4, |
| 5, 6, 7, 8, |
| 9, 10, 11, 12, |
| 13, 14, 15, 16, |
| |
| // +-- we should be pulling out this column |
| // | |
| // V |
| 1, 5, 9, 13, |
| 2, 6, 10, 14, |
| 3, 7, 11, 15, |
| 4, 8, 12, 16, |
| |
| 2, 10, 18, 22, |
| 4, 12, 20, 28, |
| 6, 14, 22, 30, |
| 8, 16, 24, 32, |
| |
| // mat4 u_ndx[3] |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| |
| 0, 0, 0, 0, |
| 0, 0, 0, 2, |
| 0, 0, 0, 0, |
| 0, 1, 0, 0, |
| // ^ |
| // | |
| // +-- we should be reading this value as an index into u_mat |
| |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| 0, 0, 0, 0, |
| ])}], |
| } |
| ], 2); |
| </script> |
| </body> |
| </html> |
| |
