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-rw-r--r--src/video_core/dma_pusher.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/video_core/dma_pusher.h b/src/video_core/dma_pusher.h
index 289786bb9e..feab652bb5 100644
--- a/src/video_core/dma_pusher.h
+++ b/src/video_core/dma_pusher.h
@@ -7,6 +7,7 @@
#pragma once
#include <array>
+#include <atomic>
#include <condition_variable>
#include <optional>
#include <span>
@@ -121,6 +122,10 @@ struct CommandList final {
/// executed instead of the memory, which the game may already be refilling for a later frame.
std::vector<CommandHeader> submitted_words;
std::vector<u32> submitted_offsets;
+ /// DmaPusher::suspensions when the words were copied. A list copied during a suspension, or
+ /// that waited behind one, reads memory instead: games write the commands it runs before they
+ /// release the acquire.
+ u64 snapshot_suspensions = 0;
};
/// FNV-1a over pushbuffer words (EDEN_NX2_PB_CHECK).
@@ -139,6 +144,10 @@ inline u64 HashPushbufferWords(std::span<const u32> words) {
/// details on this implementation.
class DmaPusher final {
public:
+ /// Counts suspensions on a semaphore acquire and the resumes after them, so it is odd while
+ /// the channel is suspended (see CommandList::snapshot_suspensions).
+ std::atomic<u64> suspensions{0};
+
explicit DmaPusher(Core::System& system_, MemoryManager& memory_manager_, Control::ChannelState& channel_state_);
~DmaPusher();