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perf: sync only GPU-dirty readbacks

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This commit is contained in:
nmzik
2026-08-03 22:13:41 +02:00
parent e8752aca7e
commit 51d0e02543
13 changed files with 373 additions and 390 deletions
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src/graphics/host_gpu/renderer/cache/resourceMutex.cpp
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+2 -48
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@@ -4,18 +4,10 @@
namespace Libs::Graphics {
ResourceMutex::FaultScope::FaultScope(ResourceMutex& mutex): m_mutex(mutex) {
m_resource_preowned = m_mutex.BeginFault();
}
ResourceMutex::FaultScope::~FaultScope() {
m_mutex.EndFault(m_resource_preowned);
}
ResourceMutex::~ResourceMutex() {
std::lock_guard state(m_state);
if (m_resource_owner != std::thread::id {} || m_fault_owner != std::thread::id {}) {
EXIT("ResourceMutex destroyed with an active owner or fault transaction\n");
if (m_resource_owner != std::thread::id {}) {
EXIT("ResourceMutex destroyed with an active owner\n");
}
}
@@ -26,9 +18,6 @@ void ResourceMutex::lock() {
if (m_resource_owner == current) {
EXIT("recursive resource transaction\n");
}
if (m_fault_owner == current) {
EXIT("resource transaction re-entered from a page-fault callback\n");
}
}
m_resource.lock();
std::lock_guard state(m_state);
@@ -55,39 +44,4 @@ bool ResourceMutex::IsOwnedByCurrentThread() {
return m_resource_owner == std::this_thread::get_id();
}
bool ResourceMutex::BeginFault() {
const auto current = std::this_thread::get_id();
{
std::lock_guard state(m_state);
if (m_fault_owner == current) {
EXIT("nested resource page-fault transaction\n");
}
if (m_resource_owner == current) {
m_fault_owner = current;
return true;
}
}
lock();
std::lock_guard state(m_state);
if (m_resource_owner != current || m_fault_owner != std::thread::id {}) {
EXIT("resource fault transaction acquired inconsistent ownership\n");
}
m_fault_owner = current;
return false;
}
void ResourceMutex::EndFault(bool resource_preowned) {
const auto current = std::this_thread::get_id();
{
std::lock_guard state(m_state);
if (m_fault_owner != current || m_resource_owner != current) {
EXIT("resource page-fault transaction ended with inconsistent ownership\n");
}
m_fault_owner = {};
}
if (!resource_preowned) {
unlock();
}
}
} // namespace Libs::Graphics