| /* |
| * Copyright (C) 2020 Igalia S.L. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "WebXRRenderState.h" |
| |
| #if ENABLE(WEBXR) |
| |
| #include "WebXRWebGLLayer.h" |
| #include "XRRenderStateInit.h" |
| #include <wtf/IsoMallocInlines.h> |
| #include <wtf/MathExtras.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(WebXRRenderState); |
| |
| Ref<WebXRRenderState> WebXRRenderState::create(const WebXRSession& session) |
| { |
| // When an XRRenderState object is created for an XRSession session, the user agent MUST initialize the render state by running the following steps: |
| // 1. Let state be the newly created XRRenderState object. |
| |
| // 2. Initialize state’s depthNear to 0.1. |
| // 3. Initialize state’s depthFar to 1000.0. |
| // (Default-initialized in the XRRenderState class definition.) |
| |
| // 4. If session is an immersive session, initialize state’s inlineVerticalFieldOfView to null. |
| // 5. Else initialize state’s inlineVerticalFieldOfView to PI * 0.5. |
| // FIXME: "immersive session" support |
| UNUSED_PARAM(session); |
| Optional<double> inlineVerticalFieldOfView { piOverTwoDouble }; |
| |
| // 6. Initialize state’s baseLayer to null. |
| // 7. Initialize state’s outputContext to null. |
| // (Initialized to null by default.) |
| |
| return adoptRef(*new WebXRRenderState(WTFMove(inlineVerticalFieldOfView))); |
| } |
| |
| WebXRRenderState::WebXRRenderState(Optional<double>&& inlineVerticalFieldOfView) |
| : m_inlineVerticalFieldOfView(WTFMove(inlineVerticalFieldOfView)) |
| { |
| } |
| |
| WebXRRenderState::WebXRRenderState(const XRRenderStateInit&) |
| { |
| } |
| |
| WebXRRenderState::~WebXRRenderState() = default; |
| |
| double WebXRRenderState::depthNear() const |
| { |
| return m_depth.near; |
| } |
| |
| double WebXRRenderState::depthFar() const |
| { |
| return m_depth.far; |
| } |
| |
| Optional<double> WebXRRenderState::inlineVerticalFieldOfView() const |
| { |
| return m_inlineVerticalFieldOfView; |
| } |
| |
| RefPtr<WebXRWebGLLayer> WebXRRenderState::baseLayer() const |
| { |
| return m_baseLayer; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBXR) |