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Code cleanup: move rng into path state.

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Also pass by value and don't write back now that it is just a hash for seeding
and no longer an LCG state. Together this makes CUDA a tiny bit faster in my
tests, but mainly simplifies code.
This commit is contained in:
Brecht Van Lommel
2017-08-19 04:11:25 +02:00
parent 1cc4033df8
commit cfa8b762e2
28 changed files with 192 additions and 271 deletions
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7
intern/cycles/kernel/split/kernel_shadow_blocked_ao.h
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@@ -37,21 +37,18 @@ ccl_device void kernel_shadow_blocked_ao(KernelGlobals *kg)
ShaderData *emission_sd = &kernel_split_state.sd_DL_shadow[ray_index];
PathRadiance *L = &kernel_split_state.path_radiance[ray_index];
ccl_global PathState *state = &kernel_split_state.path_state[ray_index];
RNG rng = kernel_split_state.rng[ray_index];
float3 throughput = kernel_split_state.throughput[ray_index];
#ifdef __BRANCHED_PATH__
if(!kernel_data.integrator.branched || IS_FLAG(kernel_split_state.ray_state, ray_index, RAY_BRANCHED_INDIRECT)) {
#endif
kernel_path_ao(kg, sd, emission_sd, L, state, &rng, throughput, shader_bsdf_alpha(kg, sd));
kernel_path_ao(kg, sd, emission_sd, L, state, throughput, shader_bsdf_alpha(kg, sd));
#ifdef __BRANCHED_PATH__
}
else {
kernel_branched_path_ao(kg, sd, emission_sd, L, state, &rng, throughput);
kernel_branched_path_ao(kg, sd, emission_sd, L, state, throughput);
}
#endif
kernel_split_state.rng[ray_index] = rng;
}
CCL_NAMESPACE_END