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Merge pull request #1472 from popcoder565/fix/videoout-vblank-precise-wait 

fix(videoout): pace vblanks with a high-resolution timer
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Adrià 2026-10-08 16:13:49 +02:00 committed by GitHub
parent 7a047bc171 b8084b4f02
commit 4d03ecf4de
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GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 2 deletions
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6
core/libs/prx/libSceVideoOut/src/VideoOutDriver.cpp
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@ -20,6 +20,7 @@
#include "prx/libSceAgcDriver/Execution/include/Presentation.hpp"
#include "prx/libSceAgcDriver/Execution/include/PerformanceTimer.hpp"
#include "prx/libSceAgcDriver/Submit/include/Dcb.hpp"
#include "prx/libc/include/PreciseWait.hpp"
#include "prx/libc/include/Shutdown.hpp"
namespace {
@ -541,9 +542,10 @@ void VideoOutDriver::vblankLoop(std::stop_token token) {
try {
for (int64_t frame = 1; !token.stop_requested(); ++frame) {
const auto next = start + std::chrono::duration_cast<std::chrono::steady_clock::duration>(Frame(frame));
const auto remaining = std::chrono::duration_cast<std::chrono::microseconds>(next - std::chrono::steady_clock::now()).count();
if (remaining > 0) PreciseSleepUs(static_cast<unsigned long long>(remaining));
{
std::unique_lock lock(flipQueue->mutex);
flipQueue->changed.wait_until(lock, next, [&] { return token.stop_requested() || flipQueue->failure; });
std::lock_guard lock(flipQueue->mutex);
if (token.stop_requested() || flipQueue->failure) return;
}
vblankEnd();