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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 unwrappedGL = getGLContext(canvas);
var gl = wrapGLContext(unwrappedGL);
return [gl, unwrappedGL];
}
Tests.testUniformf = function(gl, unwrappedGL) {
var sh = new Filter(gl, 'foobar-vert', 'foobar-frag');
sh.apply(function(f){
var fm4 = f.uniform('fm4');
var fm2 = f.uniform('fm2');
var fm3 = f.uniform('fm3');
assertGLError(gl, gl.INVALID_VALUE, "bad transpose 4fv",
function(){gl.uniformMatrix4fv(fm4, true, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});
assertGLError(gl, gl.INVALID_VALUE, "bad transpose 3fv",
function(){gl.uniformMatrix3fv(fm3, true, [1,0,0, 0,2,0, 0,0,3]);});
assertGLError(gl, gl.INVALID_VALUE, "bad transpose 2fv",
function(){gl.uniformMatrix2fv(fm2, true, [1,0, 0,2]);});
assertThrowNoGLError(gl, "bad location",
function(){gl.uniformMatrix4fv(588939, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});
assertThrowNoGLError(gl, "bad location (negative)",
function(){gl.uniformMatrix4fv(-588939, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});
assertGLError(gl, gl.INVALID_VALUE, "17 values to 4fv",
function(){gl.uniformMatrix4fv(fm4, false, [0,1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});
assertGLError(gl, gl.INVALID_VALUE, "5 values to 2fv",
function(){gl.uniformMatrix2fv(fm2, false, [0,2,1, 2,2]);});
assertGLError(gl, gl.INVALID_VALUE, "10 values to 3fv",
function(){gl.uniformMatrix3fv(fm3, false, [0,2,2,2, 2,2,2, 2,1,2]);});
assertGLError(gl, gl.INVALID_VALUE, "too few values to 4fv",
function(){gl.uniformMatrix4fv(fm4, false, [0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);});
assertGLError(gl, gl.INVALID_VALUE, "too few values to 2fv",
function(){gl.uniformMatrix2fv(fm2, false, [1, 2,2]);});
assertGLError(gl, gl.INVALID_VALUE, "too few values to 2fv",
function(){gl.uniformMatrix2fv(fm2, false, []);});
assertThrowNoGLError(gl, "string for data",
function(){gl.uniformMatrix2fv(fm2, false, "fm4");});
assertGLError(gl, gl.INVALID_VALUE, "too few values to 3fv",
function(){gl.uniformMatrix3fv(fm3, false, [2,2, 2,2,2, 2,1,2]);});
gl.uniformMatrix4fv(fm4, false, [1,0,0,0, 0,2,0,0, 0,0,3,0, 0,0,0,4]);
gl.uniformMatrix2fv(fm2, false, [2,1, 2,2]);
gl.uniformMatrix3fv(fm3, false, [2,2,2, 2,2,2, 2,1,2]);
assertGLError(gl, gl.INVALID_OPERATION, "3fv on mat4",
function(){gl.uniformMatrix3fv(fm4, false, [1,0,0, 0,2,0, 0,0,3]);});
assertGLError(gl, gl.INVALID_OPERATION, "3fv on mat2",
function(){gl.uniformMatrix3fv(fm2, false, [0,2,1, 0,2,2, 0,0,0]);});
assertGLError(gl, gl.INVALID_OPERATION, "2fv om mat3",
function(){gl.uniformMatrix2fv(fm3, false, [2,2, 2,2]);});
for (var ii = 2; ii <= 4; ++ii) {
var all = [];
var mats = [[],[]];
for (var jj = 0; jj < 2; ++jj) {
for (var kk = 0; kk < ii * ii; ++kk) {
mats[jj].push(jj + 1);
all.push(jj + 1);
}
}
var loc0Name = 'am' + ii + '[0]';
var loc1Name = 'am' + ii + '[1]';
var loc0 = f.uniform(loc0Name);
var loc1 = f.uniform(loc1Name);
var fname = "uniformMatrix" + ii + "fv";
assert(loc0Name, loc0 != null);
assert(loc1Name, loc1 != null);
assertOk("set array of 2 matrices " + ii + "fv",
function(){gl[fname].call(gl,loc0, false, all);});
var actual = unwrappedGL.getUniform(sh.shader.program, loc0);
assert("got value for loc0",
gl.NO_ERROR == checkError(gl, "getUniform loc0"));
assertArrayEquals(mats[0], actual);
var actual = unwrappedGL.getUniform(sh.shader.program, loc1);
assert("got value for loc1",
gl.NO_ERROR == checkError(gl, "getUniform loc1"));
assertArrayEquals(mats[1], actual);
assertOk("set array of second array of 2 matrixes",
function(){gl[fname].call(gl, loc1, false, mats[0]);});
var actual = unwrappedGL.getUniform(sh.shader.program, loc1);
assert("got value for loc1",
gl.NO_ERROR == checkError(gl, "getUniform loc1"));
assertArrayEquals(mats[0], actual);
var big = mats[1].concat([3]);
assertGLError(gl, gl.INVALID_VALUE, "set array of first array of 2 matrixes plus 1 value",
function(){gl[fname].call(gl, loc0, false, big);});
}
});
var d = new Uint8Array(4);
gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d);
assertArrayEqualsWithEpsilon([1,2,3,8], d, [1,1,1,1]);
sh.destroy();
}
Tests.endUnit = function(gl) {
}
</script>
<script id="foobar-vert" type="x-shader/x-vertex">
attribute vec3 Vertex;
attribute vec2 Tex;
uniform mat2 fm2;
uniform mat3 fm3;
uniform mat2 am2[2];
uniform mat3 am3[2];
uniform mat4 am4[2];
varying vec4 texCoord0;
void main()
{
texCoord0 = vec4(Tex.s, 1.0-Tex.t, fm2[0][1]+fm3[2][1], 0.0);
float d = am2[0][1][1] + am3[0][2][2] + am4[0][3][3] +
am2[1][1][1] + am3[1][2][2] + am4[1][3][3];
gl_Position = vec4(Vertex, 1.0 + d * 0.0001);
}
</script>
<script id="foobar-frag" type="x-shader/x-fragment">
precision mediump float;
uniform mat4 fm4;
varying vec4 texCoord0;
void main()
{
gl_FragColor = vec4(fm4[0][0]/256.0, fm4[1][1]/256.0, fm4[2][2]/256.0, fm4[3][3]*texCoord0.z/256.0);
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<canvas id="gl" width="16" height="16"></canvas>
</body></html>
|
