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/*
* 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.
*/
#pragma once
#if ENABLE(WEBXR)
#include "HTMLCanvasElement.h"
#include "WebXRLayer.h"
#include "WebXRWebGLLayer.h"
#include "XRSessionMode.h"
namespace WebCore {
struct XRRenderStateInit;
class WebXRRenderState : public RefCounted<WebXRRenderState> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(WebXRRenderState);
public:
static Ref<WebXRRenderState> create(XRSessionMode);
~WebXRRenderState();
Ref<WebXRRenderState> clone() const;
double depthNear() const { return m_depth.near; }
void setDepthNear(double near) { m_depth.near = near; }
double depthFar() const { return m_depth.far; }
void setDepthFar(double far) { m_depth.far = far; };
std::optional<double> inlineVerticalFieldOfView() const { return m_inlineVerticalFieldOfView; }
void setInlineVerticalFieldOfView(double fieldOfView) { m_inlineVerticalFieldOfView = fieldOfView; }
RefPtr<WebXRWebGLLayer> baseLayer() const { return m_baseLayer; }
void setBaseLayer(WebXRWebGLLayer* baseLayer) { m_baseLayer = baseLayer; }
#if ENABLE(WEBXR_LAYERS)
const Vector<Ref<WebXRLayer>>& layers() const { return m_layers; }
void setLayers(const Vector<Ref<WebXRLayer>>&);
#endif
HTMLCanvasElement* outputCanvas() const { return m_outputCanvas.get(); }
void setOutputCanvas(HTMLCanvasElement* canvas) { m_outputCanvas = canvas; }
bool isCompositionEnabled() const { return m_compositionEnabled; }
void setCompositionEnabled(bool compositionEnabled) { m_compositionEnabled = compositionEnabled; }
private:
explicit WebXRRenderState(std::optional<double> fieldOfView);
explicit WebXRRenderState(const WebXRRenderState&);
// https://immersive-web.github.io/webxr/#initialize-the-render-state
struct {
double near { 0.1 }; // in meters
double far { 1000 }; // in meters
} m_depth;
std::optional<double> m_inlineVerticalFieldOfView; // in radians
RefPtr<WebXRWebGLLayer> m_baseLayer;
#if ENABLE(WEBXR_LAYERS)
Vector<Ref<WebXRLayer>> m_layers;
#endif
WeakPtr<HTMLCanvasElement, WeakPtrImplWithEventTargetData> m_outputCanvas;
bool m_compositionEnabled { true };
};
} // namespace WebCore
#endif // ENABLE(WEBXR)
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