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NVFlinger: Lock race condition between CPU, Host Timing, VSync.

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This commit is contained in:
Fernando Sahmkow 2020-02-27 10:47:02 -04:00
parent 9140f5d1f3
commit 2c0431e5ed
3 changed files with 11 additions and 0 deletions
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2
src/core/hle/service/vi/vi.cpp
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@ -511,6 +511,7 @@ private:
LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
static_cast<u32>(transaction), flags);
nv_flinger->Lock();
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
switch (transaction) {
@ -550,6 +551,7 @@ private:
[=](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
nv_flinger->Lock();
auto& buffer_queue = nv_flinger->FindBufferQueue(id);
auto result = buffer_queue.DequeueBuffer(width, height);
ASSERT_MSG(result != std::nullopt, "Could not dequeue buffer.");