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/*
** Copyright (c) 2012 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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<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.createElement('canvas');
var gl = wrapGLContext(getGLContext(canvas));
return [gl];
}
Tests.setup = function(gl) {
assert(0 == gl.getError());
return [gl];
}
Tests.teardown = function(gl) {
}
Tests.endUnit = function(gl) {
}
Tests.testVertexAttribPointerVBO = function(gl) {
var vbo = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(4), gl.STATIC_DRAW);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
assertFail("negative offset",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, -4);});
assertOk("out of range offset (OK because we can change the buffer later)",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 1200);});
assertFail("Offset that is incompatible with type",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 3);});
assertFail("negative stride",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, -1, 0);});
assertFail("bad size",
function(){gl.vertexAttribPointer(0, 5, gl.FLOAT, false, 0, 0);});
assertFail("stride that doesn't match type",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 1, 0);});
assertFail("bad type",
function(){gl.vertexAttribPointer(0, 3, gl.TEXTURE_2D, false, 0, 0);});
assertFail("bad index",
function(){gl.vertexAttribPointer(-1, 3, gl.FLOAT, false, 0, 0);});
assertFail("bad index (big negative)",
function(){gl.vertexAttribPointer(-8693948, 3, gl.FLOAT, false, 0, 0);});
assertFail("bad index (big positive)",
function(){gl.vertexAttribPointer(8693948, 3, gl.FLOAT, false, 0, 0);});
gl.bindBuffer(gl.ARRAY_BUFFER, null);
assertOk("binding to null buffer with offset=0",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);});
assertFail("binding to null buffer with offset!=0",
function(){gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 16);});
gl.bindBuffer(gl.ARRAY_BUFFER, vbo);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
gl.deleteBuffer(vbo);
throwError(gl);
}
</script>
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