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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/webxr/xrWebGLLayer_framebuffer_scale.https.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webxr/xrWebGLLayer_framebuffer_scale.https.html')
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diff --git a/testing/web-platform/tests/webxr/xrWebGLLayer_framebuffer_scale.https.html b/testing/web-platform/tests/webxr/xrWebGLLayer_framebuffer_scale.https.html
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+++ b/testing/web-platform/tests/webxr/xrWebGLLayer_framebuffer_scale.https.html
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+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/webxr_util.js"></script>
+<script src="resources/webxr_test_constants.js"></script>
+
+<script>
+
+let testName = "Ensure framebuffer scaling works as expected.";
+
+let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;
+
+let testFunction =
+ (session, fakeDeviceController, t, sessionObjects) => new Promise((resolve, reject) => {
+ let gl = sessionObjects.gl;
+ let webglLayer = sessionObjects.glLayer;
+ let defaultFramebufferWidth = webglLayer.framebufferWidth;
+ let defaultFramebufferHeight = webglLayer.framebufferHeight;
+ let nativeScale = XRWebGLLayer.getNativeFramebufferScaleFactor(session);
+
+ t.step(() => {
+ // Ensure the framebuffer default sizes and native scale are all non-zero.
+ assert_greater_than(defaultFramebufferWidth, 0);
+ assert_greater_than(defaultFramebufferHeight, 0);
+ assert_greater_than(nativeScale, 0);
+
+ // The native scale should be the inverse for the default framebuffer scale.
+ assert_approx_equals(nativeScale, 1/fakeDeviceController.defaultFramebufferScale_, FLOAT_EPSILON);
+ });
+
+ webglLayer = new XRWebGLLayer(session, gl, { framebufferScaleFactor: nativeScale });
+ t.step(() => {
+ // Ensure that requesting a native scale framebuffer gives the expected result.
+ assert_approx_equals(webglLayer.framebufferWidth, defaultFramebufferWidth*nativeScale, 2);
+ assert_approx_equals(webglLayer.framebufferHeight, defaultFramebufferHeight*nativeScale, 2);
+ });
+
+ webglLayer = new XRWebGLLayer(session, gl, { framebufferScaleFactor: 0 });
+ t.step(() => {
+ // Ensure that the framebuffer has a lower bounds clamp.
+ assert_greater_than(webglLayer.framebufferWidth, 0);
+ assert_greater_than(webglLayer.framebufferHeight, 0);
+ });
+
+ webglLayer = new XRWebGLLayer(session, gl, { framebufferScaleFactor: 100 });
+ t.step(() => {
+ // Ensure that the framebuffer has a reasonable upper bounds clamp.
+ assert_less_than(webglLayer.framebufferWidth, defaultFramebufferWidth*100);
+ assert_less_than(webglLayer.framebufferHeight, defaultFramebufferHeight*100);
+ });
+
+ resolve();
+});
+
+xr_session_promise_test(
+ testName, testFunction, fakeDeviceInitParams, 'immersive-vr');
+
+</script>