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Use spans over guest memory where possible instead of copying data.

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This commit is contained in:
Kelebek1 2023-05-29 00:35:51 +01:00
parent 95ceae40e6
commit 6f7cb69c94
22 changed files with 462 additions and 233 deletions
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26
src/video_core/dma_pusher.cpp
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@ -5,6 +5,7 @@
#include "common/microprofile.h"
#include "common/settings.h"
#include "core/core.h"
#include "core/memory.h"
#include "video_core/dma_pusher.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/gpu.h"
@ -12,6 +13,8 @@
namespace Tegra {
constexpr u32 MacroRegistersStart = 0xE00;
DmaPusher::DmaPusher(Core::System& system_, GPU& gpu_, MemoryManager& memory_manager_,
Control::ChannelState& channel_state_)
: gpu{gpu_}, system{system_}, memory_manager{memory_manager_}, puller{gpu_, memory_manager_,
@ -74,25 +77,16 @@ bool DmaPusher::Step() {
}
// Push buffer non-empty, read a word
command_headers.resize_destructive(command_list_header.size);
constexpr u32 MacroRegistersStart = 0xE00;
if (dma_state.method < MacroRegistersStart) {
if (Settings::IsGPULevelHigh()) {
memory_manager.ReadBlock(dma_state.dma_get, command_headers.data(),
command_list_header.size * sizeof(u32));
} else {
memory_manager.ReadBlockUnsafe(dma_state.dma_get, command_headers.data(),
command_list_header.size * sizeof(u32));
}
} else {
const size_t copy_size = command_list_header.size * sizeof(u32);
if (dma_state.method >= MacroRegistersStart) {
if (subchannels[dma_state.subchannel]) {
subchannels[dma_state.subchannel]->current_dirty =
memory_manager.IsMemoryDirty(dma_state.dma_get, copy_size);
subchannels[dma_state.subchannel]->current_dirty = memory_manager.IsMemoryDirty(
dma_state.dma_get, command_list_header.size * sizeof(u32));
}
memory_manager.ReadBlockUnsafe(dma_state.dma_get, command_headers.data(), copy_size);
}
ProcessCommands(command_headers);
Core::Memory::GpuGuestMemory<Tegra::CommandHeader,
Core::Memory::GuestMemoryFlags::UnsafeRead>
headers(memory_manager, dma_state.dma_get, command_list_header.size, &command_headers);
ProcessCommands(headers);
}
return true;