1 files changed, 147 insertions, 0 deletions
diff --git a/Source/Android/jni/GpuDriver.cpp b/Source/Android/jni/GpuDriver.cpp
new file mode 100644
index 0000000000..0631ce81cb
--- /dev/null
+++ b/Source/Android/jni/GpuDriver.cpp
@@ -0,0 +1,147 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on: Skyline Emulator Project
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#include <jni.h>
+
+#include "Common/IniFile.h"
+#include "jni/AndroidCommon/AndroidCommon.h"
+#include "jni/AndroidCommon/IDCache.h"
+
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <jni.h>
+#include <unistd.h>
+#include "adrenotools/driver.h"
+
+#include "VideoBackends/Vulkan/VulkanContext.h"
+#include "VideoBackends/Vulkan/VulkanLoader.h"
+
+extern "C" {
+
+#if defined(_M_ARM_64)
+
+JNIEXPORT jobjectArray JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_getSystemDriverInfo(JNIEnv* env,
+                                                                                        jobject)
+{
+  if (!Vulkan::LoadVulkanLibrary(true))
+  {
+    return nullptr;
+  }
+
+  u32 vk_api_version = 0;
+  VkInstance instance = Vulkan::VulkanContext::CreateVulkanInstance(WindowSystemType::Headless,
+                                                                    false, false, &vk_api_version);
+  if (!instance)
+  {
+    return nullptr;
+  }
+
+  if (!Vulkan::LoadVulkanInstanceFunctions(instance))
+  {
+    vkDestroyInstance(instance, nullptr);
+    return nullptr;
+  }
+
+  Vulkan::VulkanContext::GPUList gpu_list = Vulkan::VulkanContext::EnumerateGPUs(instance);
+
+  if (gpu_list.empty())
+  {
+    vkDestroyInstance(instance, nullptr);
+    Vulkan::UnloadVulkanLibrary();
+    return nullptr;
+  }
+
+  VkPhysicalDeviceProperties properties;
+  vkGetPhysicalDeviceProperties(gpu_list.front(), &properties);
+
+  std::string driverId;
+  if (vkGetPhysicalDeviceProperties2 && vk_api_version >= VK_VERSION_1_1)
+  {
+    VkPhysicalDeviceDriverProperties driverProperties;
+    driverProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES;
+    driverProperties.pNext = nullptr;
+    VkPhysicalDeviceProperties2 properties2;
+    properties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
+    properties2.pNext = &driverProperties;
+    vkGetPhysicalDeviceProperties2(gpu_list.front(), &properties2);
+    driverId = fmt::format("{}", driverProperties.driverID);
+  }
+  else
+  {
+    driverId = "Unknown";
+  }
+
+  std::string driverVersion =
+      fmt::format("{}.{}.{}", VK_API_VERSION_MAJOR(properties.driverVersion),
+                  VK_API_VERSION_MINOR(properties.driverVersion),
+                  VK_API_VERSION_PATCH(properties.driverVersion));
+
+  vkDestroyInstance(instance, nullptr);
+  Vulkan::UnloadVulkanLibrary();
+
+  auto array = env->NewObjectArray(2, env->FindClass("java/lang/String"), nullptr);
+  env->SetObjectArrayElement(array, 0, ToJString(env, driverId));
+  env->SetObjectArrayElement(array, 1, ToJString(env, driverVersion));
+  return array;
+}
+
+JNIEXPORT jboolean JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_supportsCustomDriverLoading(
+    JNIEnv* env, jobject instance)
+{
+  // If the KGSL device exists custom drivers can be loaded using adrenotools
+  return Vulkan::SupportsCustomDriver();
+}
+
+JNIEXPORT jboolean JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_supportsForceMaxGpuClocks(
+    JNIEnv* env, jobject instance)
+{
+  // If the KGSL device exists adrenotools can be used to set GPU turbo mode
+  return Vulkan::SupportsCustomDriver();
+}
+
+JNIEXPORT void JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_forceMaxGpuClocks(
+    JNIEnv* env, jobject instance, jboolean enable)
+{
+  adrenotools_set_turbo(enable);
+}
+
+#else
+
+JNIEXPORT jobjectArray JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_getSystemDriverInfo(
+    JNIEnv* env, jobject instance)
+{
+  auto array = env->NewObjectArray(0, env->FindClass("java/lang/String"), nullptr);
+  return array;
+}
+
+JNIEXPORT jboolean JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_supportsCustomDriverLoading(
+    JNIEnv* env, jobject instance)
+{
+  return false;
+}
+
+JNIEXPORT jboolean JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_supportsForceMaxGpuClocks(
+    JNIEnv* env, jobject instance)
+{
+  return false;
+}
+
+JNIEXPORT void JNICALL
+Java_org_dolphinemu_dolphinemu_utils_GpuDriverHelper_00024Companion_forceMaxGpuClocks(
+    JNIEnv* env, jobject instance, jboolean enable)
+{
+}
+
+#endif
+}