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/*
* Copyright 2011-2015 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "util/util_hash.h"
CCL_NAMESPACE_BEGIN
ccl_device_inline void kernel_path_trace_setup(
KernelGlobals *kg, int sample, int x, int y, uint *rng_hash, ccl_addr_space Ray *ray)
{
float filter_u;
float filter_v;
int num_samples = kernel_data.integrator.aa_samples;
path_rng_init(kg, sample, num_samples, rng_hash, x, y, &filter_u, &filter_v);
/* sample camera ray */
float lens_u = 0.0f, lens_v = 0.0f;
if (kernel_data.cam.aperturesize > 0.0f)
path_rng_2D(kg, *rng_hash, sample, num_samples, PRNG_LENS_U, &lens_u, &lens_v);
float time = 0.0f;
#ifdef __CAMERA_MOTION__
if (kernel_data.cam.shuttertime != -1.0f)
time = path_rng_1D(kg, *rng_hash, sample, num_samples, PRNG_TIME);
#endif
camera_sample(kg, x, y, filter_u, filter_v, lens_u, lens_v, time, ray);
}
CCL_NAMESPACE_END
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