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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!--
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.
-->
<link rel="stylesheet" type="text/css" href="../unit.css" />
<script type="application/javascript" src="../unit.js"></script>
<script type="application/javascript" src="../util.js"></script>
<script type="application/javascript">
Tests.startUnit = function () {
var canvas = document.getElementById('gl');
var gl = wrapGLContext(getGLContext(canvas));
return [gl];
}
Tests.testUniformf = function(gl) {
var sh = new Filter(gl, 'foobar-vert', 'foobar-frag');
sh.apply(function(f){
var uniV4 = f.uniform('uniV4');
var uniFloat = f.uniform('uniFloat');
assertThrowNoGLError(gl, "number for location",
function(){gl.uniform4fv(58882929, [1,2,3,4]);});
assertThrowNoGLError(gl, "negative number for location",
function(){gl.uniform4fv(-58882929, [1,2,3,4]);});
assertGLError(gl, gl.INVALID_OPERATION, "1fv on 4fv",
function(){gl.uniform1fv(uniV4, [1,2,3,4]);});
assertGLError(gl, gl.INVALID_OPERATION, "more than enough values 1fv",
function(){gl.uniform1fv(uniFloat, [2,3,4,5,6]);});
assertGLError(gl, gl.INVALID_OPERATION, "4fv on float",
function(){gl.uniform4fv(uniFloat, [2,3,4,5]);});
assertOk("4fv on 4fv",
function(){gl.uniform4fv(uniV4, [1, 2, 3, 4]);});
assertGLError(gl, gl.INVALID_VALUE, "5 values on 4fv",
function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5]);});
assertGLError(gl, gl.INVALID_OPERATION, "8 values on 4fv",
function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5, 6, 7, 8]);});
assertGLError(gl, gl.INVALID_OPERATION, "3fv on float",
function(){gl.uniform3fv(uniFloat, [2,3,4]);});
assertGLError(gl, gl.INVALID_OPERATION, "2fv on float",
function(){gl.uniform2fv(uniFloat, [2,3]);});
assertGLError(gl, gl.INVALID_OPERATION, "3fv on 4fv",
function(){gl.uniform3fv(uniV4, [4,5,6]);});
assertGLError(gl, gl.INVALID_OPERATION, "2fv on 4fv",
function(){gl.uniform2fv(uniV4, [5,6]);});
assertGLError(gl, gl.INVALID_OPERATION, "1fv on 4fv",
function(){gl.uniform1fv(uniV4, [6]);});
assertOk("1fv on 1fv",
function(){gl.uniform1fv(uniFloat, [2]);});
assertGLError(gl, gl.INVALID_VALUE, "not enough values on 1fv",
function(){gl.uniform1fv(uniFloat, []);});
assertGLError(gl, gl.INVALID_VALUE, "not enough values on 4fv",
function(){gl.uniform4fv(uniV4, [3,3,4]);});
assertGLError(gl, gl.INVALID_OPERATION, "4iv on 4fv",
function(){gl.uniform4iv(uniV4, [1, 2, 3, 4]);});
assertGLError(gl, gl.INVALID_OPERATION, "1iv on 1fv",
function(){gl.uniform1iv(uniFloat, [2]);});
});
var d = new Uint8Array(4);
gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d);
assertArrayEquals([1,2,3,8], d);
sh.destroy();
throwError(gl);
}
Tests.endUnit = function(gl) {
}
</script>
<script id="foobar-vert" type="x-shader/x-vertex">
attribute vec3 Vertex;
attribute vec2 Tex;
uniform float uniFloat;
varying vec4 texCoord0;
void main()
{
texCoord0 = vec4(Tex.s, 1.0-Tex.t, uniFloat, 0.0);
gl_Position = vec4(Vertex, 1.0);
}
</script>
<script id="foobar-frag" type="x-shader/x-fragment">
precision mediump float;
uniform vec4 uniV4;
varying vec4 texCoord0;
void main()
{
gl_FragColor = vec4(
uniV4.r/255.0,
uniV4.g/255.0,
uniV4.b/255.0,
uniV4.a*texCoord0.z/255.0);
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<canvas id="gl" width="16" height="16"></canvas>
</body></html>
|
