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dma step ondemand flush

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xbzk 2026-02-17 22:49:20 -03:00 • committed by crueter
parent 59254cd1e7
commit ce59837c78
1 changed files with 31 additions and 6 deletions
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37
src/video_core/dma_pusher.cpp
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@ -83,12 +83,37 @@ bool DmaPusher::Step() {
}
if (header.size > 0) {
if (Settings::IsDMALevelDefault() ? (Settings::IsGPULevelMedium() || Settings::IsGPULevelHigh()) : Settings::IsDMALevelSafe()) {
Tegra::Memory::GpuGuestMemory<Tegra::CommandHeader, Tegra::Memory::GuestMemoryFlags::SafeRead>headers(memory_manager, dma_state.dma_get, header.size, &command_headers);
ProcessCommands(headers);
if (Settings::getDebugKnobAt(0)) {
const size_t command_bytes = static_cast<size_t>(header.size) * sizeof(CommandHeader);
if (memory_manager.IsMemoryDirty(dma_state.dma_get, command_bytes)) {
memory_manager.FlushRegion(dma_state.dma_get, command_bytes);
}
command_headers.resize_destructive(header.size);
if (Settings::IsDMALevelDefault()
? (Settings::IsGPULevelMedium() || Settings::IsGPULevelHigh())
: Settings::IsDMALevelSafe()) {
memory_manager.ReadBlock(dma_state.dma_get, command_headers.data(), command_bytes);
} else {
memory_manager.ReadBlockUnsafe(dma_state.dma_get, command_headers.data(),
command_bytes);
}
ProcessCommands(command_headers);
} else {
Tegra::Memory::GpuGuestMemory<Tegra::CommandHeader, Tegra::Memory::GuestMemoryFlags::UnsafeRead>headers(memory_manager, dma_state.dma_get, header.size, &command_headers);
ProcessCommands(headers);
if (Settings::IsDMALevelDefault()
? (Settings::IsGPULevelMedium() || Settings::IsGPULevelHigh())
: Settings::IsDMALevelSafe()) {
Tegra::Memory::GpuGuestMemory<Tegra::CommandHeader,
Tegra::Memory::GuestMemoryFlags::SafeRead>
headers(memory_manager, dma_state.dma_get, header.size, &command_headers);
ProcessCommands(headers);
} else {
Tegra::Memory::GpuGuestMemory<Tegra::CommandHeader,
Tegra::Memory::GuestMemoryFlags::UnsafeRead>
headers(memory_manager, dma_state.dma_get, header.size, &command_headers);
ProcessCommands(headers);
}
}
}