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dma_pushbuffer: Optimize to avoid loop and copy on Push.

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This commit is contained in:
bunnei 2018-11-27 19:17:33 -05:00
parent c568f5cea7
commit ac74b71d75
3 changed files with 23 additions and 13 deletions
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14
src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
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@ -128,11 +128,9 @@ u32 nvhost_gpu::AllocateObjectContext(const std::vector<u8>& input, std::vector<
return 0;
}
static void PushGPUEntries(const std::vector<Tegra::CommandListHeader>& entries) {
static void PushGPUEntries(Tegra::CommandList&& entries) {
auto& dma_pusher{Core::System::GetInstance().GPU().DmaPusher()};
for (const auto& entry : entries) {
dma_pusher.Push(entry);
}
dma_pusher.Push(std::move(entries));
dma_pusher.DispatchCalls();
}
@ -149,11 +147,11 @@ u32 nvhost_gpu::SubmitGPFIFO(const std::vector<u8>& input, std::vector<u8>& outp
params.num_entries * sizeof(Tegra::CommandListHeader),
"Incorrect input size");
std::vector<Tegra::CommandListHeader> entries(params.num_entries);
Tegra::CommandList entries(params.num_entries);
std::memcpy(entries.data(), &input[sizeof(IoctlSubmitGpfifo)],
params.num_entries * sizeof(Tegra::CommandListHeader));
PushGPUEntries(entries);
PushGPUEntries(std::move(entries));
params.fence_out.id = 0;
params.fence_out.value = 0;
@ -170,11 +168,11 @@ u32 nvhost_gpu::KickoffPB(const std::vector<u8>& input, std::vector<u8>& output)
LOG_WARNING(Service_NVDRV, "(STUBBED) called, gpfifo={:X}, num_entries={:X}, flags={:X}",
params.address, params.num_entries, params.flags);
std::vector<Tegra::CommandListHeader> entries(params.num_entries);
Tegra::CommandList entries(params.num_entries);
Memory::ReadBlock(params.address, entries.data(),
params.num_entries * sizeof(Tegra::CommandListHeader));
PushGPUEntries(entries);
PushGPUEntries(std::move(entries));
params.fence_out.id = 0;
params.fence_out.value = 0;