| /* |
| * 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 "ExceptionOr.h" |
| #include "WebXRLayer.h" |
| #include <wtf/IsoMalloc.h> |
| #include <wtf/Ref.h> |
| #include <wtf/RefPtr.h> |
| #include <wtf/Variant.h> |
| |
| namespace WebCore { |
| |
| class IntSize; |
| class WebGLFramebuffer; |
| class WebGLRenderingContext; |
| #if ENABLE(WEBGL2) |
| class WebGL2RenderingContext; |
| #endif |
| class WebXRSession; |
| class WebXRView; |
| class WebXRViewport; |
| struct XRWebGLLayerInit; |
| |
| class WebXRWebGLLayer : public WebXRLayer { |
| WTF_MAKE_ISO_ALLOCATED(WebXRWebGLLayer); |
| public: |
| |
| using WebXRRenderingContext = WTF::Variant< |
| RefPtr<WebGLRenderingContext> |
| #if ENABLE(WEBGL2) |
| , RefPtr<WebGL2RenderingContext> |
| #endif |
| >; |
| |
| static ExceptionOr<Ref<WebXRWebGLLayer>> create(Ref<WebXRSession>&&, WebXRRenderingContext&&, const XRWebGLLayerInit&); |
| ~WebXRWebGLLayer(); |
| |
| bool antialias() const; |
| bool ignoreDepthValues() const; |
| |
| WebGLFramebuffer* framebuffer() const; |
| unsigned framebufferWidth() const; |
| unsigned framebufferHeight() const; |
| |
| RefPtr<WebXRViewport> getViewport(const WebXRView&); |
| |
| static double getNativeFramebufferScaleFactor(const WebXRSession&); |
| |
| private: |
| WebXRWebGLLayer(Ref<WebXRSession>&&, WebXRRenderingContext&&, const XRWebGLLayerInit&); |
| |
| static IntSize computeNativeWebGLFramebufferResolution(); |
| static IntSize computeRecommendedWebGLFramebufferResolution(); |
| |
| Ref<WebXRSession> m_session; |
| WebXRRenderingContext m_context; |
| bool m_antialias { false }; |
| bool m_ignoreDepthValues { false }; |
| bool m_isCompositionDisabled { false }; |
| |
| struct { |
| RefPtr<WebGLFramebuffer> object; |
| unsigned width { 0 }; |
| unsigned height { 0 }; |
| } m_framebuffer; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBXR) |