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GPU: Delay Fences.

This commit is contained in:
Fernando Sahmkow 2020-02-16 16:24:37 -04:00
parent 8b1eb44b3e
commit 339d0d9d6c
6 changed files with 20 additions and 2 deletions

View File

@ -34,6 +34,7 @@ void DmaPusher::DispatchCalls() {
}
gpu.FlushCommands();
gpu.SyncGuestHost();
gpu.OnCommandListEnd();
}
bool DmaPusher::Step() {

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@ -397,6 +397,14 @@ void Maxwell3D::StampQueryResult(u64 payload, bool long_query) {
}
}
void Maxwell3D::ReleaseFences() {
for (const auto pair : delay_fences) {
const auto [addr, payload] = pair;
memory_manager.Write<u32>(addr, static_cast<u32>(payload));
}
delay_fences.clear();
}
void Maxwell3D::ProcessQueryGet() {
// TODO(Subv): Support the other query units.
ASSERT_MSG(regs.query.query_get.unit == Regs::QueryUnit::Crop,
@ -407,7 +415,7 @@ void Maxwell3D::ProcessQueryGet() {
rasterizer.FlushCommands();
rasterizer.SyncGuestHost();
const u64 result = regs.query.query_sequence;
StampQueryResult(result, regs.query.query_get.short_query == 0);
delay_fences.emplace_back(regs.query.QueryAddress(), result);
break;
}
case Regs::QueryOperation::Acquire:

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@ -1427,6 +1427,8 @@ public:
Tables tables{};
} dirty;
void ReleaseFences();
private:
void InitializeRegisterDefaults();
@ -1467,6 +1469,8 @@ private:
std::array<u8, Regs::NUM_REGS> dirty_pointers{};
std::vector<std::pair<GPUVAddr, u64>> delay_fences;
/// Retrieves information about a specific TIC entry from the TIC buffer.
Texture::TICEntry GetTICEntry(u32 tic_index) const;

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@ -145,6 +145,10 @@ void GPU::FlushCommands() {
void GPU::SyncGuestHost() {
renderer->Rasterizer().SyncGuestHost();
}
void GPU::OnCommandListEnd() {
maxwell_3d->ReleaseFences();
}
// Note that, traditionally, methods are treated as 4-byte addressable locations, and hence
// their numbers are written down multiplied by 4 in Docs. Here we are not multiply by 4.
// So the values you see in docs might be multiplied by 4.

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@ -157,6 +157,7 @@ public:
void FlushCommands();
void SyncGuestHost();
void OnCommandListEnd();
/// Returns a reference to the Maxwell3D GPU engine.
Engines::Maxwell3D& Maxwell3D();

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@ -78,7 +78,7 @@ void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
}
void ThreadManager::FlushRegion(VAddr addr, u64 size) {
system.Renderer().Rasterizer().FlushRegion(addr, size);
PushCommand(FlushRegionCommand(addr, size));
}
void ThreadManager::InvalidateRegion(VAddr addr, u64 size) {