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Merge pull request #9343 from lioncash/bounds

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syncpoint_manager: Reduce redundant bounds checks
This commit is contained in:
liamwhite 2022-11-29 08:26:16 -05:00 committed by GitHub
commit b6373c5ea5
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2 changed files with 31 additions and 17 deletions
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46
src/core/hle/service/nvdrv/core/syncpoint_manager.cpp
View file

@ -28,13 +28,15 @@ SyncpointManager::SyncpointManager(Tegra::Host1x::Host1x& host1x_) : host1x{host
SyncpointManager::~SyncpointManager() = default;
u32 SyncpointManager::ReserveSyncpoint(u32 id, bool client_managed) {
if (syncpoints.at(id).reserved) {
auto& syncpoint = syncpoints.at(id);
if (syncpoint.reserved) {
ASSERT_MSG(false, "Requested syncpoint is in use");
return 0;
}
syncpoints.at(id).reserved = true;
syncpoints.at(id).interface_managed = client_managed;
syncpoint.reserved = true;
syncpoint.interface_managed = client_managed;
return id;
}
@ -56,11 +58,12 @@ u32 SyncpointManager::AllocateSyncpoint(bool client_managed) {
void SyncpointManager::FreeSyncpoint(u32 id) {
std::lock_guard lock(reservation_lock);
ASSERT(syncpoints.at(id).reserved);
syncpoints.at(id).reserved = false;
auto& syncpoint = syncpoints.at(id);
ASSERT(syncpoint.reserved);
syncpoint.reserved = false;
}
bool SyncpointManager::IsSyncpointAllocated(u32 id) {
bool SyncpointManager::IsSyncpointAllocated(u32 id) const {
return (id <= SyncpointCount) && syncpoints[id].reserved;
}
@ -69,7 +72,7 @@ bool SyncpointManager::HasSyncpointExpired(u32 id, u32 threshold) const {
if (!syncpoint.reserved) {
ASSERT(false);
return 0;
return false;
}
// If the interface manages counters then we don't keep track of the maximum value as it handles
@ -82,40 +85,51 @@ bool SyncpointManager::HasSyncpointExpired(u32 id, u32 threshold) const {
}
u32 SyncpointManager::IncrementSyncpointMaxExt(u32 id, u32 amount) {
if (!syncpoints.at(id).reserved) {
auto& syncpoint = syncpoints.at(id);
if (!syncpoint.reserved) {
ASSERT(false);
return 0;
}
return syncpoints.at(id).counter_max += amount;
return syncpoint.counter_max += amount;
}
u32 SyncpointManager::ReadSyncpointMinValue(u32 id) {
if (!syncpoints.at(id).reserved) {
auto& syncpoint = syncpoints.at(id);
if (!syncpoint.reserved) {
ASSERT(false);
return 0;
}
return syncpoints.at(id).counter_min;
return syncpoint.counter_min;
}
u32 SyncpointManager::UpdateMin(u32 id) {
if (!syncpoints.at(id).reserved) {
auto& syncpoint = syncpoints.at(id);
if (!syncpoint.reserved) {
ASSERT(false);
return 0;
}
syncpoints.at(id).counter_min = host1x.GetSyncpointManager().GetHostSyncpointValue(id);
return syncpoints.at(id).counter_min;
syncpoint.counter_min = host1x.GetSyncpointManager().GetHostSyncpointValue(id);
return syncpoint.counter_min;
}
NvFence SyncpointManager::GetSyncpointFence(u32 id) {
if (!syncpoints.at(id).reserved) {
auto& syncpoint = syncpoints.at(id);
if (!syncpoint.reserved) {
ASSERT(false);
return NvFence{};
}
return {.id = static_cast<s32>(id), .value = syncpoints.at(id).counter_max};
return {
.id = static_cast<s32>(id),
.value = syncpoint.counter_max,
};
}
} // namespace Service::Nvidia::NvCore

2
src/core/hle/service/nvdrv/core/syncpoint_manager.h
View file

@ -44,7 +44,7 @@ public:
/**
* @brief Checks if the given syncpoint is both allocated and below the number of HW syncpoints
*/
bool IsSyncpointAllocated(u32 id);
bool IsSyncpointAllocated(u32 id) const;
/**
* @brief Finds a free syncpoint and reserves it