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rsx: Trivial optimization

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This commit is contained in:
Elad Ashkenazi 2022-08-01 23:03:10 +03:00 committed by kd-11
parent 769f9e33e9
commit 651e58f443
1 changed files with 12 additions and 2 deletions
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14
rpcs3/Emu/RSX/rsx_methods.cpp
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@ -43,6 +43,12 @@ namespace rsx
// First, queue the GPU work. If it flushes the queue for us, the following routines will be faster.
const bool handled = rsx->get_backend_config().supports_host_gpu_labels && rsx->release_GCM_label(address, data);
if (vm::_ref<RsxSemaphore>(address).val == data)
{
// It's a no-op to write the same value (although there is a delay in real-hw so it's more accurate to allow GPU label in this case)
return;
}
if constexpr (FlushDMA)
{
// If the backend handled the request, this call will basically be a NOP
@ -77,10 +83,14 @@ namespace rsx
{
void set_reference(thread* rsx, u32 /*reg*/, u32 arg)
{
rsx->sync();
// Write ref+get (get will be written again with the same value at command end)
auto& dma = vm::_ref<RsxDmaControl>(rsx->dma_address);
if (arg != dma.ref)
{
rsx->sync();
}
dma.get.release(rsx->fifo_ctrl->get_pos());
dma.ref.store(arg);
}