forked from bartvdbraak/blender
8ada7f7397
Simplifies code quite a bit, making it shorter and easier to extend. Currently no functional changes for users, but is required for the upcoming work of shadow catcher support with OpenCL.
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Copyright 2011-2015 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "util_hash.h"
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CCL_NAMESPACE_BEGIN
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ccl_device_inline void kernel_path_trace_setup(KernelGlobals *kg,
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ccl_global uint *rng_state,
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int sample,
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int x, int y,
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RNG *rng,
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ccl_addr_space Ray *ray)
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{
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float filter_u;
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float filter_v;
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int num_samples = kernel_data.integrator.aa_samples;
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if(sample == kernel_data.integrator.start_sample) {
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*rng_state = hash_int_2d(x, y);
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}
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path_rng_init(kg, rng_state, sample, num_samples, rng, x, y, &filter_u, &filter_v);
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/* sample camera ray */
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float lens_u = 0.0f, lens_v = 0.0f;
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if(kernel_data.cam.aperturesize > 0.0f)
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path_rng_2D(kg, rng, sample, num_samples, PRNG_LENS_U, &lens_u, &lens_v);
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float time = 0.0f;
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#ifdef __CAMERA_MOTION__
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if(kernel_data.cam.shuttertime != -1.0f)
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time = path_rng_1D(kg, rng, sample, num_samples, PRNG_TIME);
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#endif
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camera_sample(kg, x, y, filter_u, filter_v, lens_u, lens_v, time, ray);
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}
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CCL_NAMESPACE_END
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