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// Copyright 2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "CameraShared.h"
#ifdef __cplusplus
namespace ispc {
#endif // __cplusplus
struct PerspectiveCamera
{
Camera super;
vec3f org; // position of camera, already contains shift when
// STEREO_{LEFT|RIGHT}
vec3f dir_00; // direction of ray with screenSample=(0,0); scaled to
// focusDistance if no motionBlur
// below are essentially unions: 1. if no motionBlur; 2. if motionBlur
vec3f du_size; // delta of ray direction between two pixels in x, scaled to
// focusDistance; sensor size (in x and y) and architectural
vec3f dv_up; // up vector with magnitude equal to the imagePlane size in y
vec3f ipd_offset; // shift of camera position for left/right eye (only when
// SIDE_BY_SIDE or TOP_BOTTOM); (0.5*ipd, focusDistance, 0)
vec2f imgPlaneSize;
float scaledAperture; // radius of aperture prescaled to focal plane, i.e.,
// divided by horizontal image plane size
float aspect; // image plane size x / y
int stereoMode;
#ifdef __cplusplus
PerspectiveCamera()
: org(0.f),
dir_00(0.f),
du_size(0.f),
dv_up(0.f),
ipd_offset(0.f),
imgPlaneSize(0.f),
scaledAperture(0.f),
aspect(1.f),
stereoMode(OSP_STEREO_NONE)
{
super.type = CAMERA_TYPE_PERSPECTIVE;
}
};
} // namespace ispc
#else
};
#endif // __cplusplus
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