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authorbunnei <bunneidev@gmail.com>2020-10-27 05:45:08 +0100
committerbunnei <bunneidev@gmail.com>2020-11-01 09:51:54 +0100
commitd567b7e841558a367e37d64b032b3492ed4d5cf4 (patch)
tree54d35c59ce52b9dead92f7a08b397278d92c2cbc /src/core/hle/service/nvdrv
parentRename to align with switchbrew and remove gpu function (#4714) (diff)
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Diffstat (limited to 'src/core/hle/service/nvdrv')
-rw-r--r--src/core/hle/service/nvdrv/nvdrv.cpp2
-rw-r--r--src/core/hle/service/nvdrv/syncpoint_manager.cpp39
-rw-r--r--src/core/hle/service/nvdrv/syncpoint_manager.h85
3 files changed, 125 insertions, 1 deletions
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index 803c1a984..e6a205c8e 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -36,7 +36,7 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
nvflinger.SetNVDrvInstance(module_);
}
-Module::Module(Core::System& system) {
+Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
auto& kernel = system.Kernel();
for (u32 i = 0; i < MaxNvEvents; i++) {
std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
diff --git a/src/core/hle/service/nvdrv/syncpoint_manager.cpp b/src/core/hle/service/nvdrv/syncpoint_manager.cpp
new file mode 100644
index 000000000..0151a03b7
--- /dev/null
+++ b/src/core/hle/service/nvdrv/syncpoint_manager.cpp
@@ -0,0 +1,39 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "core/hle/service/nvdrv/syncpoint_manager.h"
+#include "video_core/gpu.h"
+
+namespace Service::Nvidia {
+
+SyncpointManager::SyncpointManager(Tegra::GPU& gpu) : gpu{gpu} {}
+
+SyncpointManager::~SyncpointManager() = default;
+
+u32 SyncpointManager::RefreshSyncpoint(u32 syncpoint_id) {
+ syncpoints[syncpoint_id].min = gpu.GetSyncpointValue(syncpoint_id);
+ return GetSyncpointMin(syncpoint_id);
+}
+
+u32 SyncpointManager::AllocateSyncpoint() {
+ for (u32 syncpoint_id = 1; syncpoint_id < MaxSyncPoints; syncpoint_id++) {
+ if (!syncpoints[syncpoint_id].is_allocated) {
+ syncpoints[syncpoint_id].is_allocated = true;
+ return syncpoint_id;
+ }
+ }
+ UNREACHABLE_MSG("No more available syncpoints!");
+ return {};
+}
+
+u32 SyncpointManager::IncreaseSyncpoint(u32 syncpoint_id, u32 value) {
+ for (u32 index = 0; index < value; ++index) {
+ syncpoints[syncpoint_id].max.fetch_add(1, std::memory_order_relaxed);
+ }
+
+ return GetSyncpointMax(syncpoint_id);
+}
+
+} // namespace Service::Nvidia
diff --git a/src/core/hle/service/nvdrv/syncpoint_manager.h b/src/core/hle/service/nvdrv/syncpoint_manager.h
new file mode 100644
index 000000000..4168b6c7e
--- /dev/null
+++ b/src/core/hle/service/nvdrv/syncpoint_manager.h
@@ -0,0 +1,85 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <atomic>
+
+#include "common/common_types.h"
+#include "core/hle/service/nvdrv/nvdata.h"
+
+namespace Tegra {
+class GPU;
+}
+
+namespace Service::Nvidia {
+
+class SyncpointManager final {
+public:
+ explicit SyncpointManager(Tegra::GPU& gpu);
+ ~SyncpointManager();
+
+ /**
+ * Returns true if the specified syncpoint is expired for the given value.
+ * @param syncpoint_id Syncpoint ID to check.
+ * @param value Value to check against the specified syncpoint.
+ * @returns True if the specified syncpoint is expired for the given value, otherwise False.
+ */
+ bool IsSyncpointExpired(u32 syncpoint_id, u32 value) const {
+ return (GetSyncpointMax(syncpoint_id) - value) >= (GetSyncpointMin(syncpoint_id) - value);
+ }
+
+ /**
+ * Gets the lower bound for the specified syncpoint.
+ * @param syncpoint_id Syncpoint ID to get the lower bound for.
+ * @returns The lower bound for the specified syncpoint.
+ */
+ u32 GetSyncpointMin(u32 syncpoint_id) const {
+ return syncpoints[syncpoint_id].min.load(std::memory_order_relaxed);
+ }
+
+ /**
+ * Gets the uper bound for the specified syncpoint.
+ * @param syncpoint_id Syncpoint ID to get the upper bound for.
+ * @returns The upper bound for the specified syncpoint.
+ */
+ u32 GetSyncpointMax(u32 syncpoint_id) const {
+ return syncpoints[syncpoint_id].max.load(std::memory_order_relaxed);
+ }
+
+ /**
+ * Refreshes the minimum value for the specified syncpoint.
+ * @param syncpoint_id Syncpoint ID to be refreshed.
+ * @returns The new syncpoint minimum value.
+ */
+ u32 RefreshSyncpoint(u32 syncpoint_id);
+
+ /**
+ * Allocates a new syncoint.
+ * @returns The syncpoint ID for the newly allocated syncpoint.
+ */
+ u32 AllocateSyncpoint();
+
+ /**
+ * Increases the maximum value for the specified syncpoint.
+ * @param syncpoint_id Syncpoint ID to be increased.
+ * @param value Value to increase the specified syncpoint by.
+ * @returns The new syncpoint maximum value.
+ */
+ u32 IncreaseSyncpoint(u32 syncpoint_id, u32 value);
+
+private:
+ struct Syncpoint {
+ std::atomic<u32> min;
+ std::atomic<u32> max;
+ std::atomic<bool> is_allocated;
+ };
+
+ std::array<Syncpoint, MaxSyncPoints> syncpoints{};
+
+ Tegra::GPU& gpu;
+};
+
+} // namespace Service::Nvidia