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Cycles: more accurately count main paths for adding work tiles 

Easy now thanks to the main and shadow path decoupling. Doesn't help
in an benchmark scene except Spring, where it reduces render time by
maybe 2-3%.

Ref T87836
This commit is contained in:
Brecht Van Lommel 2021-10-20 14:47:04 +02:00
parent 52c5300214
commit 0c52eed863
Notes: blender-bot 2023-02-14 08:40:26 +01:00 
Referenced by issue #87836, Cycles: GPU Performance
1 changed files with 4 additions and 2 deletions
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6
intern/cycles/integrator/path_trace_work_gpu.cpp
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@ -731,7 +731,6 @@ void PathTraceWorkGPU::enqueue_work_tiles(DeviceKernel kernel,
int PathTraceWorkGPU::num_active_main_paths_paths()
{
/* TODO: this is wrong, does not account for duplicates with shadow! */
IntegratorQueueCounter *queue_counter = integrator_queue_counter_.data();
int num_paths = 0;
@ -739,7 +738,10 @@ int PathTraceWorkGPU::num_active_main_paths_paths()
DCHECK_GE(queue_counter->num_queued[i], 0)
<< "Invalid number of queued states for kernel "
<< device_kernel_as_string(static_cast<DeviceKernel>(i));
num_paths += queue_counter->num_queued[i];
if (!kernel_is_shadow_path((DeviceKernel)i)) {
num_paths += queue_counter->num_queued[i];
}
}
return num_paths;