overte/libraries/render-utils/src/ViewStateInterface.h
2014-12-16 12:53:22 -08:00

43 lines
1.4 KiB
C++

//
// ViewStateInterface.h
// interface/src/renderer
//
// Created by Brad Hefta-Gaub on 12/16/14.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_ViewStateInterface_h
#define hifi_ViewStateInterface_h
#include <ViewFrustum.h>
class Transform;
class QThread;
/// Interface provided by Application to other objects that need access to the current view state details
class ViewStateInterface {
public:
/// Returns the shadow distances for the current view state
virtual const glm::vec3& getShadowDistances() const = 0;
/// Computes the off-axis frustum parameters for the view frustum, taking mirroring into account.
virtual void computeOffAxisFrustum(float& left, float& right, float& bottom, float& top, float& nearVal,
float& farVal, glm::vec4& nearClipPlane, glm::vec4& farClipPlane) const = 0;
/// gets the current view frustum for rendering the view state
virtual ViewFrustum* getCurrentViewFrustum() = 0;
virtual bool getShadowsEnabled() = 0;
virtual bool getCascadeShadowsEnabled() = 0;
virtual QThread* getMainThread() = 0;
virtual const Transform& getViewTransform() const = 0;
virtual void setupWorldLight() = 0;
};
#endif // hifi_ViewStateInterface_h