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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.
-->
<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) {
gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 0,0, 16,16, 0);
assertGLError(gl, gl.INVALID_VALUE, "width > dst tex width", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0, 17,1);
});
assertGLError(gl, gl.INVALID_VALUE, "height > dst tex height", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0, 1,17);
});
// The spec says the source image dimensions can be out of range.
assertOk("x > dst tex width", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 16,0, 1,1);
});
assertOk("y > dst tex width", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,16, 1,1);
});
assertOk("x < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, -1,0, 1,1);
});
assertOk("y < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,-1, 1,1);
});
assertGLError(gl, gl.INVALID_VALUE, "width < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0, -1,1);
});
assertGLError(gl, gl.INVALID_VALUE, "height < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0, 1,-1);
});
assertGLError(gl, gl.INVALID_VALUE, "xoffset < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, -1,0, 0,0, 16,16);
});
assertGLError(gl, gl.INVALID_VALUE, "yoffset < 0", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,-1, 0,0, 16,16);
});
assertGLError(gl, gl.INVALID_VALUE, "dimension out of range", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 4,0, 0,0, 16,16);
});
assertGLError(gl, gl.INVALID_VALUE, "dimension out of range", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,4, 0,0, 16,16);
});
assertOk("x < 0 full width", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, -1,0, 16,16);
});
assertOk("y < 0 full height", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,-1, 16,16);
});
assertOk(function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0,0, 0,0, 16,16);
});
assertGLError(gl, gl.INVALID_ENUM, "bad target", function(){
gl.copyTexSubImage2D(gl.FLOAT, 0, 0,0, 0,0, 16,16);
});
assertGLError(gl, gl.INVALID_VALUE, "", function(){
gl.copyTexSubImage2D(gl.TEXTURE_2D, -1, 0,0, 0,0, 16,16);
});
}
Tests.endUnit = function(gl) {
}
</script>
<style>canvas{ position:absolute; }</style>
</head><body>
<canvas id="gl" width="16" height="16"></canvas>
</body></html>