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<!--
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>
|
