124 lines
4.6 KiB
HTML
124 lines
4.6 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/webxr_util.js"></script>
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<script src="resources/webxr_test_constants.js"></script>
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<script>
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let immersiveTestName = "Ensure that the framebuffer given by the WebGL layer" +
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" is opaque for immersive";
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let nonImmersiveTestName = "Ensure that the framebuffer given by the WebGL layer" +
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" is opaque for non-immersive";
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let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
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let testFunction =
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(session, fakeDeviceController, t, sessionObjects) => new Promise((resolve, reject) => {
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let gl = sessionObjects.gl;
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let webglLayer = sessionObjects.glLayer;
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let xrFramebuffer = webglLayer.framebuffer;
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// Make sure we're starting with a clean error slate.
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assert_equals(gl.getError(), gl.NO_ERROR);
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if (session.mode == 'inline') {
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// Creating a layer with an inline session should return a framebuffer of
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// null, and as such most of these tests won't apply.
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assert_equals(xrFramebuffer, null);
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resolve();
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return;
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}
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assert_not_equals(xrFramebuffer, null);
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// The XR framebuffer is not bound to the GL context by default.
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assert_not_equals(xrFramebuffer, gl.getParameter(gl.FRAMEBUFFER_BINDING));
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assert_greater_than(webglLayer.framebufferWidth, 0);
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assert_greater_than(webglLayer.framebufferHeight, 0);
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gl.bindFramebuffer(gl.FRAMEBUFFER, xrFramebuffer);
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assert_equals(gl.getError(), gl.NO_ERROR);
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gl.deleteFramebuffer(xrFramebuffer);
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assert_equals(gl.getError(), gl.INVALID_OPERATION);
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// Make sure the framebuffer is still bound after failed attempt to delete.
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let boundFramebuffer = gl.getParameter(gl.FRAMEBUFFER_BINDING);
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assert_equals(xrFramebuffer, boundFramebuffer);
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assert_equals(gl.getError(), gl.NO_ERROR);
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// WebGL 2 does not throw an error and instead returns 0 when there are no
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// attachments
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if (gl.getParameter(gl.VERSION).includes("WebGL 1.0")) {
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// Ensure the framebuffer attachment properties cannot be inspected.
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let attachments = [
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gl.COLOR_ATTACHMENT0,
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gl.DEPTH_ATTACHMENT,
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gl.STENCIL_ATTACHMENT,
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];
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let parameters = [
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gl.FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
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gl.FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
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gl.FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL,
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gl.FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE,
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];
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for (let attachment of attachments) {
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for (let parameter of parameters) {
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let value = gl.getFramebufferAttachmentParameter(gl.FRAMEBUFFER, attachment, parameter);
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assert_equals(value, null);
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assert_equals(gl.getError(), gl.INVALID_OPERATION);
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}
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}
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}
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let width = 64;
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let height = 64;
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// Ensure the framebuffer texture 2D attachmentments cannot be changed.
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var texture = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, texture);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
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gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
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gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
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assert_equals(gl.getError(), gl.INVALID_OPERATION);
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// Ensure the framebuffer renderbuffer attachmentments cannot be changed.
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let renderbuffer = gl.createRenderbuffer();
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gl.bindRenderbuffer(gl.RENDERBUFFER, renderbuffer);
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gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_COMPONENT16, width, height);
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gl.framebufferRenderbuffer(
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gl.FRAMEBUFFER,
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gl.DEPTH_ATTACHMENT,
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gl.RENDERBUFFER,
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renderbuffer);
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assert_equals(gl.getError(), gl.INVALID_OPERATION);
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gl.renderbufferStorage(gl.RENDERBUFFER, gl.DEPTH_STENCIL, width, height);
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gl.framebufferRenderbuffer(gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, gl.RENDERBUFFER, renderbuffer);
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assert_equals(gl.getError(), gl.INVALID_OPERATION);
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// Framebuffer status must be unsupported outside of a XR frame callback.
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assert_equals(gl.checkFramebufferStatus(gl.FRAMEBUFFER), gl.FRAMEBUFFER_UNSUPPORTED);
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session.requestAnimationFrame((time, xrFrame) => {
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// Framebuffer status must be complete inside of a XR frame callback.
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assert_equals(gl.checkFramebufferStatus(gl.FRAMEBUFFER), gl.FRAMEBUFFER_COMPLETE);
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// Finished.
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resolve();
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});
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});
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xr_session_promise_test(
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immersiveTestName, testFunction, fakeDeviceInitParams, 'immersive-vr');
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xr_session_promise_test(
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nonImmersiveTestName, testFunction, fakeDeviceInitParams, 'inline');
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</script>
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