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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.setup = function(gl) {
var tex = gl.createTexture();
gl.bindTexture(gl.TEXTURE_2D, tex);
return [gl]
}
Tests.teardown = function(gl,tex) {
gl.bindTexture(gl.TEXTURE_2D, null);
gl.deleteTexture(tex);
}
Tests.testTexImage2D = function(gl) {
var data = new Uint8Array(4);
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2,1,0,gl.RGBA,gl.UNSIGNED_BYTE, data);
});
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,2,0,gl.RGBA,gl.UNSIGNED_BYTE, data);
});
assertGLError(gl, gl.INVALID_ENUM, "bad target", function(){
gl.texImage2D(gl.FLOAT, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
});
assertGLErrorIn(gl, [gl.INVALID_ENUM, gl.INVALID_VALUE],
"bad internal format/format", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.FLOAT, 1,1,0,gl.FLOAT,gl.UNSIGNED_BYTE, null);
});
assertGLError(gl, gl.INVALID_VALUE, "border > 0", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,48,gl.RGBA,gl.UNSIGNED_BYTE, null);
});
// The spec says zero size is OK. If you disagree please list the section
// in the spec that details this issue.
assertOk("zero size", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0,0,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
});
assertGLError(gl, gl.INVALID_VALUE, "negative width", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, -1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
});
assertGLError(gl, gl.INVALID_VALUE, "negative height", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,-1,0,gl.RGBA,gl.UNSIGNED_BYTE, null);
});
assertGLErrorIn(gl, [gl.INVALID_ENUM, gl.INVALID_OPERATION], "bad format", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.FLOAT,gl.UNSIGNED_BYTE, null);
});
assertGLErrorIn(gl, [gl.INVALID_ENUM, gl.INVALID_OPERATION], "bad type", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.TEXTURE_2D, null);
});
assertGLError(gl, gl.INVALID_OPERATION, "not enough data", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_BYTE, new Uint8Array(3));
});
assertGLError(gl, gl.INVALID_OPERATION, "format and type incompatible",function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1,1,0,gl.RGBA,gl.UNSIGNED_SHORT_5_6_5, null);
});
assertGLError(gl, gl.INVALID_OPERATION, "format and type incompatible",function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1,1,0,gl.RGB,gl.UNSIGNED_SHORT_4_4_4_4, null);
});
assertThrows(gl, true, "too few args", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE);
});
assertThrows(gl, false, "too many args", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE, null, null);
});
assertThrows(gl, true, "bad TexSourceType", function(){
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, window);
});
assertThrows(gl, true, "fake TexSourceType", function(){
var fakeObj = {
get width() { throw 7 },
get height() { throw 7 },
data: new Uint8ClampedArray(10)
};
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, fakeObj);
});
}
Tests.endUnit = function(gl) {
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<canvas id="gl" width="16" height="16"></canvas>
</body></html>
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