Updated Blink WebVR interfaces to WebVR v1 spec

third_party/WebKit/Source/modules/vr/VRDisplay.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef VRDisplay_h
+#define VRDisplay_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/Document.h"
+#include "core/dom/FrameRequestCallback.h"
+#include "modules/vr/VRDisplayCapabilities.h"
+#include "modules/vr/VRLayer.h"
+#include "platform/heap/Handle.h"
+#include "public/platform/WebGraphicsContext3DProvider.h"
+#include "public/platform/WebThread.h"
+#include "public/platform/modules/vr/WebVR.h"
+#include "wtf/Forward.h"
+#include "wtf/text/WTFString.h"
+
+namespace gpu {
+namespace gles2 {
+class GLES2Interface;
+}
+}
+
+namespace blink {
+
+class NavigatorVR;
+class VRController;
+class VREyeParameters;
+class VRStageParameters;
+class VRPose;
+
+class WebGLRenderingContextBase;
+
+enum VREye {
+    VREyeNone,
+    VREyeLeft,
+    VREyeRight
+};
+
+class VRDisplay final : public GarbageCollectedFinalized<VRDisplay>, public ScriptWrappable, public WebThread::TaskObserver {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    ~VRDisplay();
+
+    unsigned displayId() const { return m_displayId; }
+    const String& displayName() const { return m_displayName; }
+
+    VRDisplayCapabilities* capabilities() const { return m_capabilities; }
+    VRStageParameters* stageParameters() const { return m_stageParameters; }
+
+    bool isConnected() const { return m_isConnected; }
+    bool isPresenting() const { return m_isPresenting; }
+
+    VRPose* getPose();
+    VRPose* getImmediatePose();
+    void resetPose();
+
+    VREyeParameters* getEyeParameters(const String&);
+
+    int requestAnimationFrame(FrameRequestCallback*);
+    void cancelAnimationFrame(int id);
+
+    ScriptPromise requestPresent(ScriptState*, const HeapVector<VRLayer>& layers);
+    ScriptPromise exitPresent(ScriptState*);
+
+    HeapVector<VRLayer> getLayers();
+
+    void submitFrame(VRPose*);
+
+    DECLARE_VIRTUAL_TRACE();
+
+protected:
+    friend class VRDisplayCollection;
+
+    VRDisplay(NavigatorVR*);
+
+    void updateFromWebVRDevice(const WebVRDevice&);
+
+    VRController* controller();
+
+private:
+    // TaskObserver implementation.
+    void didProcessTask() override;
+    void willProcessTask() override { }
+
+    Member<NavigatorVR> m_navigatorVR;
+    unsigned m_displayId;
+    String m_displayName;
+    bool m_isConnected;
+    bool m_isPresenting;
+    bool m_canUpdateFramePose;
+    unsigned m_compositorHandle;
+    Member<VRDisplayCapabilities> m_capabilities;
+    Member<VRStageParameters> m_stageParameters;
+    Member<VREyeParameters> m_eyeParametersLeft;
+    Member<VREyeParameters> m_eyeParametersRight;
+    Member<VRPose> m_framePose;
+};
+
+using VRDisplayVector = HeapVector<Member<VRDisplay>>;
+
+} // namespace blink
+
+#endif // VRDisplay_h