void Camera::device_update(Device *device, DeviceScene *dscene, Scene *scene)
{
Scene::MotionType need_motion = scene->need_motion(device->info.advanced_shading);
update();
if(previous_need_motion != need_motion) {
/* scene's motion model could have been changed since previous device
* camera update this could happen for example in case when one render
* layer has got motion pass and another not */
need_device_update = true;
}
if(!need_device_update)
return;
KernelCamera *kcam = &dscene->data.cam;
/* store matrices */
kcam->screentoworld = screentoworld;
kcam->rastertoworld = rastertoworld;
kcam->rastertocamera = rastertocamera;
kcam->cameratoworld = cameratoworld;
kcam->worldtocamera = worldtocamera;
kcam->worldtoscreen = worldtoscreen;
kcam->worldtoraster = worldtoraster;
kcam->worldtondc = worldtondc;
/* camera motion */
kcam->have_motion = 0;
if(need_motion == Scene::MOTION_PASS) {
if(type == CAMERA_PANORAMA) {
if(use_motion) {
kcam->motion.pre = transform_inverse(motion.pre);
kcam->motion.post = transform_inverse(motion.post);
}
else {
kcam->motion.pre = kcam->worldtocamera;
kcam->motion.post = kcam->worldtocamera;
}
}
else {
if(use_motion) {
kcam->motion.pre = cameratoraster * transform_inverse(motion.pre);
kcam->motion.post = cameratoraster * transform_inverse(motion.post);
}
else {
kcam->motion.pre = worldtoraster;
kcam->motion.post = worldtoraster;
}
}
}
#ifdef __CAMERA_MOTION__
else if(need_motion == Scene::MOTION_BLUR) {
if(use_motion) {
transform_motion_decompose((DecompMotionTransform*)&kcam->motion, &motion, &matrix);
kcam->have_motion = 1;
}
}
#endif
/* depth of field */
kcam->aperturesize = aperturesize;
kcam->focaldistance = focaldistance;
kcam->blades = (blades < 3)? 0.0f: blades;
kcam->bladesrotation = bladesrotation;
/* motion blur */
#ifdef __CAMERA_MOTION__
kcam->shuttertime = (need_motion == Scene::MOTION_BLUR) ? shuttertime: -1.0f;
#else
kcam->shuttertime = -1.0f;
#endif
/* type */
kcam->type = type;
/* anamorphic lens bokeh */
kcam->inv_aperture_ratio = 1.0f / aperture_ratio;
/* panorama */
kcam->panorama_type = panorama_type;
kcam->fisheye_fov = fisheye_fov;
kcam->fisheye_lens = fisheye_lens;
kcam->equirectangular_range = make_float4(longitude_min - longitude_max, -longitude_min,
latitude_min - latitude_max, -latitude_min + M_PI_2_F);
/* sensor size */
kcam->sensorwidth = sensorwidth;
kcam->sensorheight = sensorheight;
/* render size */
kcam->width = width;
kcam->height = height;
kcam->resolution = resolution;
/* store differentials */
kcam->dx = float3_to_float4(dx);
kcam->dy = float3_to_float4(dy);
/* clipping */
kcam->nearclip = nearclip;
kcam->cliplength = (farclip == FLT_MAX)? FLT_MAX: farclip - nearclip;
/* Camera in volume. */
kcam->is_inside_volume = 0;
previous_need_motion = need_motion;
}
void Camera::device_update(Device *device, DeviceScene *dscene, Scene *scene)
{
Scene::MotionType need_motion = scene->need_motion(device->info.advanced_shading);
update();
if(previous_need_motion != need_motion) {
/* scene's motion model could have been changed since previous device
* camera update this could happen for example in case when one render
* layer has got motion pass and another not */
need_device_update = true;
}
if(!need_device_update)
return;
KernelCamera *kcam = &dscene->data.cam;
/* store matrices */
kcam->screentoworld = screentoworld;
kcam->rastertoworld = rastertoworld;
kcam->rastertocamera = rastertocamera;
kcam->cameratoworld = cameratoworld;
kcam->worldtocamera = worldtocamera;
kcam->worldtoscreen = worldtoscreen;
kcam->worldtoraster = worldtoraster;
kcam->worldtondc = worldtondc;
/* camera motion */
kcam->have_motion = 0;
kcam->have_perspective_motion = 0;
if(need_motion == Scene::MOTION_PASS) {
/* TODO(sergey): Support perspective (zoom, fov) motion. */
if(type == CAMERA_PANORAMA) {
if(use_motion) {
kcam->motion.pre = transform_inverse(motion.pre);
kcam->motion.post = transform_inverse(motion.post);
}
else {
kcam->motion.pre = kcam->worldtocamera;
kcam->motion.post = kcam->worldtocamera;
}
}
else {
if(use_motion) {
kcam->motion.pre = cameratoraster * transform_inverse(motion.pre);
kcam->motion.post = cameratoraster * transform_inverse(motion.post);
}
else {
kcam->motion.pre = worldtoraster;
kcam->motion.post = worldtoraster;
}
}
}
#ifdef __CAMERA_MOTION__
else if(need_motion == Scene::MOTION_BLUR) {
if(use_motion) {
transform_motion_decompose((DecompMotionTransform*)&kcam->motion, &motion, &matrix);
kcam->have_motion = 1;
}
if(use_perspective_motion) {
kcam->perspective_motion = perspective_motion;
kcam->have_perspective_motion = 1;
}
}
#endif
/* depth of field */
kcam->aperturesize = aperturesize;
kcam->focaldistance = focaldistance;
kcam->blades = (blades < 3)? 0.0f: blades;
kcam->bladesrotation = bladesrotation;
/* motion blur */
#ifdef __CAMERA_MOTION__
kcam->shuttertime = (need_motion == Scene::MOTION_BLUR) ? shuttertime: -1.0f;
if(need_motion == Scene::MOTION_BLUR) {
vector<float> shutter_table;
util_cdf_inverted(SHUTTER_TABLE_SIZE,
0.0f,
1.0f,
function_bind(shutter_curve_eval, _1, shutter_curve),
false,
shutter_table);
shutter_table_offset = scene->lookup_tables->add_table(dscene,
shutter_table);
kcam->shutter_table_offset = (int)shutter_table_offset;
}
else if(shutter_table_offset != TABLE_OFFSET_INVALID) {
scene->lookup_tables->remove_table(shutter_table_offset);
shutter_table_offset = TABLE_OFFSET_INVALID;
}
#else
kcam->shuttertime = -1.0f;
#endif
/* type */
kcam->type = type;
/* anamorphic lens bokeh */
kcam->inv_aperture_ratio = 1.0f / aperture_ratio;
/* panorama */
kcam->panorama_type = panorama_type;
kcam->fisheye_fov = fisheye_fov;
kcam->fisheye_lens = fisheye_lens;
kcam->equirectangular_range = make_float4(longitude_min - longitude_max, -longitude_min,
latitude_min - latitude_max, -latitude_min + M_PI_2_F);
switch(stereo_eye) {
case STEREO_LEFT:
kcam->interocular_offset = -interocular_distance * 0.5f;
break;
case STEREO_RIGHT:
kcam->interocular_offset = interocular_distance * 0.5f;
break;
case STEREO_NONE:
default:
kcam->interocular_offset = 0.0f;
break;
}
kcam->convergence_distance = convergence_distance;
/* sensor size */
kcam->sensorwidth = sensorwidth;
kcam->sensorheight = sensorheight;
/* render size */
kcam->width = width;
kcam->height = height;
kcam->resolution = resolution;
/* store differentials */
kcam->dx = float3_to_float4(dx);
kcam->dy = float3_to_float4(dy);
/* clipping */
kcam->nearclip = nearclip;
kcam->cliplength = (farclip == FLT_MAX)? FLT_MAX: farclip - nearclip;
/* Camera in volume. */
kcam->is_inside_volume = 0;
/* Rolling shutter effect */
kcam->rolling_shutter_type = rolling_shutter_type;
kcam->rolling_shutter_duration = rolling_shutter_duration;
previous_need_motion = need_motion;
}
