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<!DOCTYPE HTML>
<title>WebGL test: bug 958491</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script src="driver-info.js"></script>
<script src="webgl-util.js"></script>
<body>
<canvas id="c"></canvas>
<script>
// Give ourselves a scope to return early from:
(function() {
var gl = WebGLUtil.getWebGL('c');
if (!gl) {
todo(false, 'WebGL is unavailable.');
return;
}
// Catch actual WebGLUtil errors, not GL errors.
function errorFunc(str) {
ok(false, 'Error: ' + str);
}
WebGLUtil.setErrorFunc(errorFunc);
function checkGLError(func, info, reference) {
var error = gl.getError();
var prefix = info ? ('[' + info + '] ') : '';
var text = 'gl.getError should be 0x' + reference.toString(16) +
', was 0x' + error.toString(16) + '.';
func(error == reference, prefix + text);
}
// Begin test:
var rb = gl.createRenderbuffer();
gl.bindRenderbuffer(gl.RENDERBUFFER, rb);
gl.renderbufferStorage(gl.RENDERBUFFER, gl.RGBA4, 4, 4);
var fb = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, fb);
gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0,
gl.RENDERBUFFER, rb);
checkGLError(ok, 'before bad param query', 0);
var GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = 0x8210;
var result = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER,
gl.COLOR_ATTACHMENT0,
GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING);
checkGLError(ok, 'after bad param query', gl.INVALID_ENUM);
})();
</script>
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