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