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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "ISPCDeviceObject.h"
#include "common/FeatureFlagsEnum.h"
#include "common/MotionTransform.h"
#include "common/ObjectFactory.h"
#include "common/StructShared.h"
// ispc shared
#include "CameraShared.h"
namespace ospray {
// base camera class abstraction
// the base class itself does not do anything useful; look into
// perspectivecamera etc for that
struct OSPRAY_SDK_INTERFACE Camera
: public AddStructShared<ISPCDeviceObject, ispc::Camera>,
public ObjectFactory<Camera, api::ISPCDevice &>
{
Camera(api::ISPCDevice &device, const FeatureFlagsOther featureFlags);
~Camera() override;
std::string toString() const override;
void commit() override;
// Project the bounding box to the screen
// The projected box will be returned in normalized [0, 1] coordinates in
// the framebuffer, the z coordinate will store the min and max depth, in
// box.lower, box.upper respectively
// Assume no motion blur nor depth of field (true for SciVis)
virtual box3f projectBox(const box3f &b) const;
FeatureFlags getFeatureFlags() const;
// Data members //
// if motionBlur in local camera space; otherwise in world-space:
vec3f pos{0.f, 0.f, 0.f}; // position of the camera
vec3f dir{0.f, 0.f, 1.f}; // main direction of the camera
vec3f up{0.f, 1.f, 0.f}; // up direction of the camera
float nearClip{1e-6f}; // near clipping distance
// definition of the image region, may even be outside of [0..1]^2
// to simulate sensor shift
vec2f imageStart{0.f, 0.f}; // lower left corner
vec2f imageEnd{1.f, 1.f}; // upper right corner
range1f shutter{0.5f, 0.5f}; // start and end time of camera shutter time
float rollingShutterDuration{0.0f};
OSPShutterType shutterType{OSP_SHUTTER_GLOBAL};
private:
RTCGeometry embreeGeometry{nullptr};
RTCScene embreeScene{nullptr};
MotionTransform motionTransform;
FeatureFlagsOther featureFlags{FFO_NONE};
};
OSPTYPEFOR_SPECIALIZATION(Camera *, OSP_CAMERA);
inline FeatureFlags Camera::getFeatureFlags() const
{
FeatureFlags ff;
ff.other = featureFlags;
return ff;
}
} // namespace ospray
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