diff options
Diffstat (limited to 'intern/cycles/render/camera.cpp')
| -rw-r--r-- | intern/cycles/render/camera.cpp | 77 |
1 files changed, 58 insertions, 19 deletions
diff --git a/intern/cycles/render/camera.cpp b/intern/cycles/render/camera.cpp index a1c6a279956..38936ffc094 100644 --- a/intern/cycles/render/camera.cpp +++ b/intern/cycles/render/camera.cpp @@ -82,6 +82,7 @@ NODE_DEFINE(Camera) SOCKET_FLOAT(bladesrotation, "Blades Rotation", 0.0f); SOCKET_TRANSFORM(matrix, "Matrix", transform_identity()); + SOCKET_TRANSFORM_ARRAY(motion, "Motion", array<Transform>()); SOCKET_FLOAT(aperture_ratio, "Aperture Ratio", 1.0f); @@ -151,9 +152,6 @@ Camera::Camera() height = 512; resolution = 1; - motion.pre = transform_identity(); - motion.post = transform_identity(); - use_motion = false; use_perspective_motion = false; shutter_curve.resize(RAMP_TABLE_SIZE); @@ -317,15 +315,22 @@ void Camera::update(Scene *scene) kcam->ndctoworld = ndctoworld; /* camera motion */ - kcam->have_motion = 0; + kcam->num_motion_steps = 0; kcam->have_perspective_motion = 0; + kernel_camera_motion.clear(); + + /* Test if any of the transforms are actually different. */ + bool have_motion = false; + for(size_t i = 0; i < motion.size(); i++) { + have_motion = have_motion || motion[i] != matrix; + } if(need_motion == Scene::MOTION_PASS) { /* TODO(sergey): Support perspective (zoom, fov) motion. */ if(type == CAMERA_PANORAMA) { - if(use_motion) { - kcam->motion_pass_pre = transform_inverse(motion.pre); - kcam->motion_pass_post = transform_inverse(motion.post); + if(have_motion) { + kcam->motion_pass_pre = transform_inverse(motion[0]); + kcam->motion_pass_post = transform_inverse(motion[motion.size()-1]); } else { kcam->motion_pass_pre = kcam->worldtocamera; @@ -333,9 +338,9 @@ void Camera::update(Scene *scene) } } else { - if(use_motion) { - kcam->perspective_pre = cameratoraster * transform_inverse(motion.pre); - kcam->perspective_post = cameratoraster * transform_inverse(motion.post); + if(have_motion) { + kcam->perspective_pre = cameratoraster * transform_inverse(motion[0]); + kcam->perspective_post = cameratoraster * transform_inverse(motion[motion.size()-1]); } else { kcam->perspective_pre = worldtoraster; @@ -344,9 +349,10 @@ void Camera::update(Scene *scene) } } else if(need_motion == Scene::MOTION_BLUR) { - if(use_motion) { - transform_motion_decompose(&kcam->motion, &motion, &matrix); - kcam->have_motion = 1; + if(have_motion) { + kernel_camera_motion.resize(motion.size()); + transform_motion_decompose(kernel_camera_motion.data(), motion.data(), motion.size()); + kcam->num_motion_steps = motion.size(); } /* TODO(sergey): Support other types of camera. */ @@ -469,6 +475,16 @@ void Camera::device_update(Device * /* device */, } dscene->data.cam = kernel_camera; + + size_t num_motion_steps = kernel_camera_motion.size(); + if(num_motion_steps) { + DecomposedTransform *camera_motion = dscene->camera_motion.alloc(num_motion_steps); + memcpy(camera_motion, kernel_camera_motion.data(), sizeof(*camera_motion) * num_motion_steps); + dscene->camera_motion.copy_to_device(); + } + else { + dscene->camera_motion.free(); + } } void Camera::device_update_volume(Device * /*device*/, @@ -495,10 +511,11 @@ void Camera::device_update_volume(Device * /*device*/, } void Camera::device_free(Device * /*device*/, - DeviceScene * /*dscene*/, + DeviceScene *dscene, Scene *scene) { scene->lookup_tables->remove_table(&shutter_table_offset); + dscene->camera_motion.free(); } bool Camera::modified(const Camera& cam) @@ -509,7 +526,6 @@ bool Camera::modified(const Camera& cam) bool Camera::motion_modified(const Camera& cam) { return !((motion == cam.motion) && - (use_motion == cam.use_motion) && (use_perspective_motion == cam.use_perspective_motion)); } @@ -706,17 +722,17 @@ float Camera::world_to_raster_size(float3 P) * may be a better way to do this, but calculating differentials from the * point directly ahead seems to produce good enough results. */ #if 0 - float2 dir = direction_to_panorama(&kernel_camera, normalize(D)); + float2 dir = direction_to_panorama(&kernel_camera, kernel_camera_motion.data(), normalize(D)); float3 raster = transform_perspective(&cameratoraster, make_float3(dir.x, dir.y, 0.0f)); ray.t = 1.0f; - camera_sample_panorama(&kernel_camera, raster.x, raster.y, 0.0f, 0.0f, &ray); + camera_sample_panorama(&kernel_camera, kernel_camera_motion.data(), raster.x, raster.y, 0.0f, 0.0f, &ray); if(ray.t == 0.0f) { /* No differentials, just use from directly ahead. */ - camera_sample_panorama(&kernel_camera, 0.5f*width, 0.5f*height, 0.0f, 0.0f, &ray); + camera_sample_panorama(&kernel_camera, kernel_camera_motion.data(), 0.5f*width, 0.5f*height, 0.0f, 0.0f, &ray); } #else - camera_sample_panorama(&kernel_camera, 0.5f*width, 0.5f*height, 0.0f, 0.0f, &ray); + camera_sample_panorama(&kernel_camera, kernel_camera_motion.data(), 0.5f*width, 0.5f*height, 0.0f, 0.0f, &ray); #endif differential_transfer(&ray.dP, ray.dP, ray.D, ray.dD, ray.D, dist); @@ -728,4 +744,27 @@ float Camera::world_to_raster_size(float3 P) return res; } +bool Camera::use_motion() const +{ + return motion.size() > 1; +} + +float Camera::motion_time(int step) const +{ + return (use_motion()) ? 2.0f * step / (motion.size() - 1) - 1.0f : 0.0f; +} + +int Camera::motion_step(float time) const +{ + if(use_motion()) { + for(int step = 0; step < motion.size(); step++) { + if(time == motion_time(step)) { + return step; + } + } + } + + return -1; +} + CCL_NAMESPACE_END |