Libretro port.

2024-11-23 05:19:56 +00:00 · 2018-03-24 12:44:53 +01:00 · 2018-03-24 12:44:53 +01:00 · c4f7790618
commit c4f7790618
parent 686717eb71
22 changed files with 5674 additions and 0 deletions
--- a/.travis.sh
+++ b/.travis.sh
@ -106,6 +106,8 @@ travis_script() {

        if [ "$QT" = "TRUE" ]; then
            ./b.sh --qt
+        elif [ "$LIBRETRO" = "TRUE" ]; then
+            ./b.sh --libretro
        else
            ./b.sh --headless
        fi
--- a/.travis.yml
+++ b/.travis.yml
@ -64,6 +64,14 @@ matrix:
      compiler: "gcc"
      env: PPSSPP_BUILD_TYPE=Linux
           QT=TRUE
+    - os: linux
+      compiler: "gcc"
+      env: PPSSPP_BUILD_TYPE=Linux
+           LIBRETRO=TRUE
+    - os: linux
+      compiler: "clang"
+      env: PPSSPP_BUILD_TYPE=Linux
+           LIBRETRO=TRUE
    - os: osx
      osx_image: xcode8
      compiler: "clang macos"
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -115,6 +115,7 @@ option(MOBILE_DEVICE "Set to ON when targeting a mobile device" ${MOBILE_DEVICE}
 option(HEADLESS "Set to OFF to not generate the PPSSPPHeadless target" ${HEADLESS})
 option(UNITTEST "Set to ON to generate the unittest target" ${UNITTEST})
 option(SIMULATOR "Set to ON when targeting an x86 simulator of an ARM platform" ${SIMULATOR})
+option(LIBRETRO "Set to ON to generate the libretro target" OFF)
 # :: Options
 option(USE_FFMPEG "Build with FFMPEG support" ${USE_FFMPEG})
 option(USE_SYSTEM_FFMPEG "Dynamically link against system FFMPEG" ${USE_SYSTEM_FFMPEG})
@ -135,6 +136,14 @@ if(UNIX AND NOT (APPLE OR ANDROID) AND VULKAN)
 	endif()
 endif()

+if(LIBRETRO)
+	add_definitions(-D__LIBRETRO__)
+	add_definitions(-DGLEW_NO_GLU)
+   if(NOT MSVC)
+      add_compile_options(-fPIC)
+   endif()
+endif()
+
 if(ANDROID)
 	set(CoreLibName ppsspp_jni)
 	set(CoreLinkType SHARED)
@ -1884,6 +1893,10 @@ if(UNITTEST)
 	setup_target_project(unitTest unittest)
 endif()

+if(LIBRETRO)
+	add_subdirectory(libretro)
+endif()
+
 if (TargetBin)
 	if (IOS OR APPLE)
 		if (APPLE AND NOT IOS)
--- a/b.sh
+++ b/b.sh
@ -37,6 +37,9 @@ do
 		--headless) echo "Headless mode enabled"
 			CMAKE_ARGS="-DHEADLESS=ON ${CMAKE_ARGS}"
 			;;
+		--libretro) echo "Build Libretro core"
+			CMAKE_ARGS="-DLIBRETRO=ON ${CMAKE_ARGS}"
+			;;
 		--unittest) echo "Build unittest"
 			CMAKE_ARGS="-DUNITTEST=ON ${CMAKE_ARGS}"
 			;;
--- a/libretro/.gitignore
+++ b/libretro/.gitignore
@ -0,0 +1,4 @@
+*.bc
+*.so
+*.dll
+*.dylib
--- a/libretro/CMakeLists.txt
+++ b/libretro/CMakeLists.txt
@ -0,0 +1,21 @@
+set(LIBRETRO_SRCS
+  libretro.cpp
+  LibretroGraphicsContext.cpp
+  LibretroGLContext.cpp
+  LibretroVulkanContext.cpp
+  libretro_vulkan.cpp
+)
+
+include_directories(libretro)
+
+add_library(ppsspp_libretro SHARED ${LIBRETRO_SRCS})
+set(LIBRARY_OUTPUT_PATH "${CMAKE_BINARY_DIR}")
+set_target_properties(ppsspp_libretro PROPERTIES PREFIX "")
+if(ANDROID)
+	set_target_properties(ppsspp_libretro PROPERTIES SUFFIX "_android.so")
+endif()
+
+if(NOT MSVC)
+   target_link_libraries(ppsspp_libretro "-Wl,-Bsymbolic")
+endif()
+target_link_libraries(ppsspp_libretro ${LinkCommon})
--- a/libretro/LibretroGLContext.cpp
+++ b/libretro/LibretroGLContext.cpp
@ -0,0 +1,51 @@
+
+#include "Common/Log.h"
+#include "Core/Config.h"
+#include "Core/System.h"
+#include "gfx_es2/gpu_features.h"
+
+#include "libretro/LibretroGLContext.h"
+
+bool LibretroGLContext::Init()
+{
+	if (!LibretroHWRenderContext::Init())
+		return false;
+
+	libretro_get_proc_address = hw_render_.get_proc_address;
+
+	g_Config.iGPUBackend = (int)GPUBackend::OPENGL;
+	return true;
+}
+
+void LibretroGLContext::Shutdown()
+{
+	LibretroGraphicsContext::Shutdown();
+	libretro_get_proc_address = nullptr;
+#if 0
+   NativeShutdownGraphics();
+	finalize_glslang();
+#endif
+}
+
+void LibretroGLContext::CreateDrawContext()
+{
+	if (!glewInitDone)
+	{
+#if !defined(IOS) && !defined(USING_GLES2)
+		if (glewInit() != GLEW_OK)
+		{
+			ERROR_LOG(G3D, "glewInit() failed.\n");
+			return;
+		}
+#endif
+		glewInitDone = true;
+		CheckGLExtensions();
+	}
+	draw_ = Draw::T3DCreateGLContext();
+	renderManager_ = (GLRenderManager *)draw_->GetNativeObject(Draw::NativeObject::RENDER_MANAGER);
+}
+void LibretroGLContext::DestroyDrawContext()
+{
+	LibretroHWRenderContext::DestroyDrawContext();
+	renderManager_ = nullptr;
+}
--- a/libretro/LibretroGLContext.h
+++ b/libretro/LibretroGLContext.h
@ -0,0 +1,47 @@
+#pragma once
+
+#include "gfx/gl_common.h"
+#include "libretro/LibretroGraphicsContext.h"
+#include "thin3d/GLRenderManager.h"
+
+class LibretroGLContext : public LibretroHWRenderContext {
+	public:
+	LibretroGLContext()
+		 :
+#ifdef USING_GLES2
+			HWRenderContext(RETRO_HW_CONTEXT_OPENGLES2)
+#elif defined(HAVE_OPENGL_CORE)
+			HWRenderContext(RETRO_HW_CONTEXT_OPENGL_CORE, 3, 1)
+#else
+			LibretroHWRenderContext(RETRO_HW_CONTEXT_OPENGL)
+#endif
+	{
+		hw_render_.bottom_left_origin = true;
+	}
+
+	bool Init() override;
+	void Shutdown() override;
+	void CreateDrawContext() override;
+	void DestroyDrawContext() override;
+	void SetRenderTarget() override
+	{
+		extern GLuint g_defaultFBO;
+		g_defaultFBO = hw_render_.get_current_framebuffer();
+	}
+
+	void ThreadStart() override { renderManager_->ThreadStart(); }
+	bool ThreadFrame() override { return renderManager_->ThreadFrame(); }
+	void ThreadEnd() override { renderManager_->ThreadEnd(); }
+	void StopThread() override
+	{
+		renderManager_->WaitUntilQueueIdle();
+		renderManager_->StopThread();
+	}
+
+	GPUCore GetGPUCore() override { return GPUCORE_GLES; }
+	const char *Ident() override { return "OpenGL"; }
+
+	private:
+	GLRenderManager *renderManager_ = nullptr;
+	bool glewInitDone = false;
+};
--- a/libretro/LibretroGraphicsContext.cpp
+++ b/libretro/LibretroGraphicsContext.cpp
@ -0,0 +1,116 @@
+
+#include "libretro/libretro.h"
+#include "libretro/LibretroGraphicsContext.h"
+#include "libretro/LibretroGLContext.h"
+#ifndef NO_VULKAN
+#include "libretro/LibretroVulkanContext.h"
+#endif
+
+#include "Common/Log.h"
+#include "Core/Config.h"
+#include "Core/System.h"
+#include "GPU/GPUInterface.h"
+
+retro_video_refresh_t LibretroGraphicsContext::video_cb;
+retro_hw_get_proc_address_t libretro_get_proc_address;
+
+void retro_set_video_refresh(retro_video_refresh_t cb) { LibretroGraphicsContext::video_cb = cb; }
+static void context_reset() { ((LibretroHWRenderContext *)Libretro::ctx)->ContextReset(); }
+static void context_destroy() { ((LibretroHWRenderContext *)Libretro::ctx)->ContextDestroy(); }
+
+bool LibretroHWRenderContext::Init() { return Libretro::environ_cb(RETRO_ENVIRONMENT_SET_HW_RENDER, &hw_render_); }
+
+LibretroHWRenderContext::LibretroHWRenderContext(retro_hw_context_type context_type, unsigned version_major, unsigned version_minor)
+{
+	hw_render_.context_type = context_type;
+	hw_render_.version_major = version_major;
+	hw_render_.version_minor = version_minor;
+	hw_render_.context_reset = context_reset;
+	hw_render_.context_destroy = context_destroy;
+	hw_render_.depth = true;
+}
+
+void LibretroHWRenderContext::ContextReset()
+{
+	INFO_LOG(G3D, "Context reset");
+
+	//	 needed to restart the thread
+	//	 TODO: find a way to move this to ContextDestroy.
+	if (Libretro::useEmuThread && draw_ && Libretro::emuThreadState != Libretro::EmuThreadState::PAUSED)
+		DestroyDrawContext();
+
+	if (!draw_)
+	{
+		CreateDrawContext();
+		PSP_CoreParameter().thin3d = draw_;
+		draw_->CreatePresets();
+		draw_->HandleEvent(Draw::Event::GOT_BACKBUFFER, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
+	}
+
+	if (gpu)
+		gpu->DeviceRestore();
+}
+
+void LibretroHWRenderContext::ContextDestroy()
+{
+	INFO_LOG(G3D, "Context destroy");
+
+	if (Libretro::useEmuThread)
+	{
+#if 0
+		Libretro::EmuThreadPause();
+#else
+		Libretro::EmuThreadStop();
+#endif
+	}
+
+	gpu->DeviceLost();
+}
+
+LibretroGraphicsContext *LibretroGraphicsContext::CreateGraphicsContext()
+{
+	LibretroGraphicsContext *ctx;
+
+	ctx = new LibretroGLContext();
+
+	if (ctx->Init())
+		return ctx;
+
+	delete ctx;
+
+#ifndef NO_VULKAN
+	ctx = new LibretroVulkanContext();
+
+	if (ctx->Init())
+		return ctx;
+
+	delete ctx;
+#endif
+
+#ifdef _WIN32
+	ctx = new LibretroD3D11Context();
+
+	if (ctx->Init())
+		return ctx;
+
+	delete ctx;
+
+	ctx = new LibretroD3D9Context();
+
+	if (ctx->Init())
+		return ctx;
+
+	delete ctx;
+#endif
+
+#if 1
+	ctx = new LibretroSoftwareContext();
+
+	if (ctx->Init())
+		return ctx;
+
+	delete ctx;
+#endif
+
+	return new LibretroNullContext();
+}
--- a/libretro/LibretroGraphicsContext.h
+++ b/libretro/LibretroGraphicsContext.h
@ -0,0 +1,139 @@
+#pragma once
+#include <atomic>
+
+#include "libretro/libretro.h"
+#include "Common/GraphicsContext.h"
+#include "thin3d/thin3d_create.h"
+
+#include "Core/System.h"
+#include "GPU/GPUState.h"
+
+class LibretroGraphicsContext : public GraphicsContext {
+	public:
+	LibretroGraphicsContext() {}
+	~LibretroGraphicsContext() override {}
+
+	virtual bool Init() = 0;
+	virtual void SetRenderTarget() {}
+	virtual GPUCore GetGPUCore() = 0;
+	virtual const char *Ident() = 0;
+
+	void Shutdown() override
+	{
+		DestroyDrawContext();
+		PSP_CoreParameter().thin3d = nullptr;
+	}
+	void SwapInterval(int interval) override {}
+	void Resize() override {}
+
+	virtual void CreateDrawContext() {}
+	virtual void DestroyDrawContext()
+	{
+		if (!draw_)
+			return;
+		draw_->HandleEvent(Draw::Event::LOST_BACKBUFFER, -1, -1);
+		delete draw_;
+		draw_ = nullptr;
+	}
+	Draw::DrawContext *GetDrawContext() override { return draw_; }
+
+	static LibretroGraphicsContext *CreateGraphicsContext();
+
+	static retro_video_refresh_t video_cb;
+
+	protected:
+	Draw::DrawContext *draw_ = nullptr;
+};
+
+class LibretroHWRenderContext : public LibretroGraphicsContext {
+	public:
+	LibretroHWRenderContext(retro_hw_context_type context_type, unsigned version_major = 0, unsigned version_minor = 0);
+	bool Init() override;
+	void SetRenderTarget() override {}
+	void SwapBuffers() override
+	{
+		if (gstate_c.skipDrawReason)
+			video_cb(NULL, 0, 0, 0);
+		else
+			video_cb(RETRO_HW_FRAME_BUFFER_VALID, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, 0);
+	}
+	virtual void ContextReset();
+	virtual void ContextDestroy();
+
+	protected:
+	retro_hw_render_callback hw_render_ = {};
+};
+
+extern "C" retro_hw_get_proc_address_t libretro_get_proc_address;
+
+#ifdef _WIN32
+class LibretroD3D9Context : public LibretroHWRenderContext {
+	public:
+	LibretroD3D9Context() : LibretroHWRenderContext(RETRO_HW_CONTEXT_DIRECT3D, 9) {}
+	bool Init() override { return false; }
+#if 0
+   void InitDrawContext() override
+   {
+      draw_ = Draw::T3DCreateDX9Context();
+      draw_->CreatePresets();
+   }
+#endif
+	GPUCore GetGPUCore() override { return GPUCORE_DIRECTX9; }
+	const char *Ident() override { return "DirectX 9"; }
+};
+
+class LibretroD3D11Context : public LibretroHWRenderContext {
+	public:
+	LibretroD3D11Context() : LibretroHWRenderContext(RETRO_HW_CONTEXT_DIRECT3D, 11) {}
+	bool Init() override { return false; }
+#if 0
+   void InitDrawContext() override
+   {
+      draw_ = Draw::T3DCreateD3D11Context();
+      draw_->CreatePresets();
+   }
+#endif
+	GPUCore GetGPUCore() override { return GPUCORE_DIRECTX11; }
+	const char *Ident() override { return "DirectX 11"; }
+};
+#endif
+
+class LibretroSoftwareContext : public LibretroGraphicsContext {
+	public:
+	LibretroSoftwareContext() {}
+	bool Init() override { return true; }
+	void SwapBuffers() override { video_cb(NULL, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight, 0); }
+	GPUCore GetGPUCore() override { return GPUCORE_SOFTWARE; }
+	const char *Ident() override { return "Software"; }
+};
+
+class LibretroNullContext : public LibretroGraphicsContext {
+	public:
+	LibretroNullContext() {}
+
+	bool Init() override { return true; }
+	void SwapBuffers() override { video_cb(NULL, 0, 0, 0); }
+	GPUCore GetGPUCore() override { return GPUCORE_NULL; }
+	const char *Ident() override { return "NULL"; }
+};
+
+namespace Libretro {
+extern LibretroGraphicsContext *ctx;
+extern retro_environment_t environ_cb;
+
+enum class EmuThreadState
+{
+	DISABLED,
+	START_REQUESTED,
+	RUNNING,
+	PAUSE_REQUESTED,
+	PAUSED,
+	QUIT_REQUESTED,
+	STOPPED,
+};
+extern bool useEmuThread;
+extern std::atomic<EmuThreadState> emuThreadState;
+void EmuThreadStart();
+void EmuThreadStop();
+void EmuThreadPause();
+}   // namespace Libretro
--- a/libretro/LibretroVulkanContext.cpp
+++ b/libretro/LibretroVulkanContext.cpp
@ -0,0 +1,160 @@
+
+
+#include "Common/Vulkan/VulkanLoader.h"
+#include "Common/Vulkan/VulkanContext.h"
+#include "Common/Vulkan/VulkanDebug.h"
+#include "Common/Log.h"
+#include "Core/Config.h"
+#include "Core/System.h"
+#include "GPU/GPUInterface.h"
+#include "util/text/parsers.h"
+
+#include "libretro/LibretroVulkanContext.h"
+#include "libretro/libretro_vulkan.h"
+
+static VulkanContext *vk;
+
+void vk_libretro_init(VkInstance instance, VkPhysicalDevice gpu, VkSurfaceKHR surface, PFN_vkGetInstanceProcAddr get_instance_proc_addr, const char **required_device_extensions, unsigned num_required_device_extensions, const char **required_device_layers, unsigned num_required_device_layers, const VkPhysicalDeviceFeatures *required_features);
+void vk_libretro_shutdown();
+void vk_libretro_set_hwrender_interface(retro_hw_render_interface *hw_render_interface);
+void vk_libretro_wait_for_presentation();
+
+void LibretroVulkanContext::SwapBuffers()
+{
+	vk_libretro_wait_for_presentation();
+	LibretroHWRenderContext::SwapBuffers();
+}
+
+static bool create_device(retro_vulkan_context *context, VkInstance instance, VkPhysicalDevice gpu, VkSurfaceKHR surface, PFN_vkGetInstanceProcAddr get_instance_proc_addr, const char **required_device_extensions, unsigned num_required_device_extensions, const char **required_device_layers, unsigned num_required_device_layers, const VkPhysicalDeviceFeatures *required_features)
+{
+	init_glslang();
+
+	vk = new VulkanContext;
+	if (!vk->InitError().empty())
+	{
+		ERROR_LOG(G3D, "%s", vk->InitError().c_str());
+		return false;
+	}
+
+	vk_libretro_init(instance, gpu, surface, get_instance_proc_addr, required_device_extensions, num_required_device_extensions, required_device_layers, num_required_device_layers, required_features);
+
+	vk->CreateInstance({});
+
+	int physical_device = 0;
+	while (gpu && vk->GetPhysicalDevice(physical_device) != gpu)
+		physical_device++;
+
+	if (!gpu)
+		physical_device = vk->GetBestPhysicalDevice();
+
+	vk->ChooseDevice(physical_device);
+	vk->CreateDevice();
+#ifdef _WIN32
+	vk->InitSurface(WINDOWSYSTEM_WIN32, nullptr, nullptr);
+#elif defined(__ANDROID__)
+	vk->InitSurface(WINDOWSYSTEM_ANDROID, nullptr, nullptr);
+#elif defined(VK_USE_PLATFORM_XLIB_KHR)
+	vk->InitSurface(WINDOWSYSTEM_XLIB, nullptr, nullptr);
+#elif defined(VK_USE_PLATFORM_XCB_KHR)
+	vk->InitSurface(WINDOWSYSTEM_XCB, nullptr, nullptr);
+#elif defined(VK_USE_PLATFORM_WAYLAND_KHR)
+	vk->InitSurface(WINDOWSYSTEM_WAYLAND, nullptr, nullptr);
+#endif
+
+	if (!vk->InitQueue())
+		return false;
+
+	context->gpu = vk->GetPhysicalDevice(physical_device);
+	context->device = vk->GetDevice();
+	context->queue = vk->GetGraphicsQueue();
+	context->queue_family_index = vk->GetGraphicsQueueFamilyIndex();
+	context->presentation_queue = context->queue;
+	context->presentation_queue_family_index = context->queue_family_index;
+#ifdef _DEBUG
+	fflush(stdout);
+#endif
+	return true;
+}
+
+static void destroy_device(void)
+{
+	if (!vk)
+		return;
+
+	PSP_CoreParameter().graphicsContext->Shutdown();
+}
+
+void LibretroVulkanContext::ContextDestroy()
+{
+	LibretroHWRenderContext::ContextDestroy();
+
+	// temporary workaround, destroy_device is currently being called too late/never
+	destroy_device();
+}
+
+static const VkApplicationInfo *GetApplicationInfo(void)
+{
+	static VkApplicationInfo app_info{ VK_STRUCTURE_TYPE_APPLICATION_INFO };
+	app_info.pApplicationName = "PPSSPP";
+	app_info.applicationVersion = Version(PPSSPP_GIT_VERSION).ToInteger();
+	app_info.pEngineName = "PPSSPP";
+	app_info.engineVersion = 2;
+	app_info.apiVersion = VK_API_VERSION_1_0;
+	return &app_info;
+}
+
+bool LibretroVulkanContext::Init()
+{
+	if (!LibretroHWRenderContext::Init())
+		return false;
+
+	static const struct retro_hw_render_context_negotiation_interface_vulkan iface = { RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN, RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION, GetApplicationInfo, create_device, nullptr };
+	Libretro::environ_cb(RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE, (void *)&iface);
+
+	g_Config.iGPUBackend = (int)GPUBackend::VULKAN;
+	return true;
+}
+
+void LibretroVulkanContext::Shutdown()
+{
+	LibretroHWRenderContext::Shutdown();
+
+	vk->WaitUntilQueueIdle();
+
+	vk->DestroyObjects();
+	vk->DestroyDevice();
+	vk->DestroyInstance();
+	delete vk;
+	vk = nullptr;
+
+#if 0
+   NativeShutdownGraphics();
+#endif
+	finalize_glslang();
+	vk_libretro_shutdown();
+}
+
+void *LibretroVulkanContext::GetAPIContext() { return vk; }
+
+void LibretroVulkanContext::CreateDrawContext()
+{
+	retro_hw_render_interface *vulkan;
+	if (!Libretro::environ_cb(RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE, (void **)&vulkan) || !vulkan)
+	{
+		ERROR_LOG(G3D, "Failed to get HW rendering interface!\n");
+		return;
+	}
+	if (vulkan->interface_version != RETRO_HW_RENDER_INTERFACE_VULKAN_VERSION)
+	{
+		ERROR_LOG(G3D, "HW render interface mismatch, expected %u, got %u!\n", RETRO_HW_RENDER_INTERFACE_VULKAN_VERSION, vulkan->interface_version);
+		return;
+	}
+	vk_libretro_set_hwrender_interface(vulkan);
+
+	vk->ReinitSurface(PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
+
+	if (!vk->InitSwapchain())
+		return;
+
+	draw_ = Draw::T3DCreateVulkanContext(vk, false);
+}
--- a/libretro/LibretroVulkanContext.h
+++ b/libretro/LibretroVulkanContext.h
@ -0,0 +1,24 @@
+#pragma once
+
+#include "Common/Vulkan/VulkanLoader.h"
+#include "libretro/LibretroGraphicsContext.h"
+
+class LibretroVulkanContext : public LibretroHWRenderContext {
+	public:
+	LibretroVulkanContext() : LibretroHWRenderContext(RETRO_HW_CONTEXT_VULKAN, VK_MAKE_VERSION(1, 0, 18))
+	{
+#if 0
+		hw_render_.cache_context = true;
+#endif
+	}
+	~LibretroVulkanContext() override {}
+	bool Init() override;
+	void Shutdown() override;
+	void SwapBuffers() override;
+	void ContextDestroy() override;
+
+	void *GetAPIContext() override;
+	void CreateDrawContext() override;
+	GPUCore GetGPUCore() override { return GPUCORE_VULKAN; }
+	const char *Ident() override { return "Vulkan"; }
+};
--- a/libretro/Makefile
+++ b/libretro/Makefile
@ -0,0 +1,450 @@
+DEBUG=0
+WITH_DYNAREC := 1
+
+DYNAFLAGS :=
+INCFLAGS  := -I.
+COREFLAGS :=
+CPUFLAGS  :=
+
+UNAME=$(shell uname -a)
+
+# Cross compile ?
+
+ifeq (,$(TARGET_ARCH))
+	TARGET_ARCH = $(shell uname -m)
+endif
+
+ifneq (,$(findstring 64,$(TARGET_ARCH)))
+   override TARGET_ARCH := x86_64
+else ifneq (,$(findstring 86,$(TARGET_ARCH)))
+   override TARGET_ARCH := x86
+endif
+
+ifeq ($(platform),)
+	platform = unix
+	ifeq ($(UNAME),)
+		platform = win
+	else ifneq ($(findstring MINGW,$(UNAME)),)
+		platform = win
+	else ifneq ($(findstring Darwin,$(UNAME)),)
+		platform = osx
+		LDFLAGS += -lm
+	else ifneq ($(findstring win,$(UNAME)),)
+		platform = win
+	endif
+endif
+
+ifeq ($(platform), unix)
+LDFLAGS += -lm
+endif
+
+# Dirs
+CORE_DIR			= ..
+FFMPEGDIR		= $(CORE_DIR)/ffmpeg
+LIBRETRODIR		= $(CORE_DIR)/libretro
+COREDIR			= $(CORE_DIR)/Core
+COMMONDIR		= $(CORE_DIR)/Common
+GPUCOMMONDIR	= $(CORE_DIR)/GPU/Common
+GPUDIR			= $(CORE_DIR)/GPU
+NATIVEDIR		= $(CORE_DIR)/native
+EXTDIR			= $(CORE_DIR)/ext
+
+TARGET_NAME := ppsspp
+
+FFMPEGINCFLAGS :=
+FFMPEGLIBDIR :=
+FFMPEGLIBS :=
+
+# Unix
+ifneq (,$(findstring unix,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro.so
+	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined
+
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
+	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+	fpic = -fPIC
+	ifneq (,$(findstring gles,$(platform)))
+		GLES = 1
+		GL_LIB := -lGLESv2
+	else
+		GL_LIB := -lGL
+	endif
+	PLATFORM_EXT := unix
+	LDFLAGS += -lrt -ldl
+
+# Raspberry Pi
+else ifneq (,$(findstring rpi,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro.so
+	LDFLAGS += -shared -Wl,--version-script=link.T
+	fpic = -fPIC
+	GLES = 1
+	GL_LIB := -lGLESv2
+	INCFLAGS += -I/opt/vc/include
+	CPUFLAGS += -DARMv5_ONLY 
+	PLATFORM_EXT := unix
+	TARGET_ARCH = arm
+	LDFLAGS += -lrt -ldl
+
+# i.MX6
+else ifneq (,$(findstring imx6,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro.so
+	LDFLAGS += -shared -Wl,--version-script=link.T
+	fpic = -fPIC
+	GLES = 1
+	GL_LIB := -lGLESv2
+	CPUFLAGS += 
+	PLATFORM_EXT := unix
+	TARGET_ARCH = arm
+	HAVE_NEON=1
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
+	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+	LDFLAGS += -lrt -ldl
+
+# OS X
+else ifneq (,$(findstring osx,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro.dylib
+	LDFLAGS += -dynamiclib
+	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
+	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9 )) && echo "YES"`
+	ifeq ($(OSX_LT_MAVERICKS),"YES")
+		LDFLAGS += -mmacosx-version-min=10.5
+	endif
+		LDFLAGS += -stdlib=libc++
+	fpic = -fPIC
+
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/macosx/$(TARGET_ARCH)/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/macosx/$(TARGET_ARCH)/lib
+	FFMPEGLDFLAGS += -liconv -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+	PLATCFLAGS += -D__MACOSX__
+	GL_LIB := -framework OpenGL
+	PLATFORM_EXT := darwin
+
+# iOS
+else ifneq (,$(findstring ios,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro_ios.dylib
+	PLATCFLAGS += -DIOS
+	LDFLAGS += -dynamiclib -marm
+	fpic = -fPIC
+	GLES = 1
+	GL_LIB := -framework OpenGLES
+	HAVE_NEON = 1
+
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/ios/universal/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/ios/universal/lib
+	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+
+	ifeq ($(IOSSDK),)
+		IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
+	endif
+
+	CC = clang -arch armv7 -isysroot $(IOSSDK)
+	CXX = clang++ -arch armv7 -isysroot $(IOSSDK)
+	OSXVER = `sw_vers -productVersion | cut -c 4`
+	ifneq ($(OSXVER),9)
+		CC += -miphoneos-version-min=5.0
+		AS += -miphoneos-version-min=5.0
+		CXX += -miphoneos-version-min=5.0
+		PLATCFLAGS += -miphoneos-version-min=5.0
+	endif
+	PLATCFLAGS += -DIOS -DHAVE_POSIX_MEMALIGN
+	CPUFLAGS += -DARMv5_ONLY -DARM
+	PLATFORM_EXT := unix
+	TARGET_ARCH = arm
+
+# Android
+else ifneq (,$(findstring android,$(platform)))
+	fpic = -fPIC
+	TARGET := $(TARGET_NAME)_libretro_android.so
+	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined -Wl,--warn-common
+	GL_LIB := -lGLESv2
+
+	CC = arm-linux-androideabi-gcc
+	CXX = arm-linux-androideabi-g++
+	TARGET_ARCH = arm
+	GLES = 1
+	PLATCFLAGS += -DANDROID 
+	CPUCFLAGS  += 
+	HAVE_NEON = 1
+	CPUFLAGS += -marm -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp -D__arm__ -DARM_ASM -D__NEON_OPT
+	CFLAGS += -DANDROID
+	LDFLAGS += -llog -lGLESv2 -lEGL
+
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/android/armv7/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/android/armv7/lib
+	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+
+	PLATFORM_EXT := android
+
+# QNX
+else ifeq ($(platform), qnx)
+	fpic = -fPIC
+	TARGET := $(TARGET_NAME)_libretro_qnx.so
+	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined -Wl,--warn-common
+	GL_LIB := -lGLESv2
+
+	CC = qcc -Vgcc_ntoarmv7le
+	AS = qcc -Vgcc_ntoarmv7le
+	CXX = QCC -Vgcc_ntoarmv7le
+	AR = QCC -Vgcc_ntoarmv7le
+	TARGET_ARCH = arm
+	GLES = 1
+	PLATCFLAGS += -D__BLACKBERRY_QNX__
+	HAVE_NEON = 1
+	CPUFLAGS += -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp -D__arm__ -DARM_ASM -D__NEON_OPT
+	CFLAGS += -D__QNX__
+
+	PLATFORM_EXT := unix
+
+# ARM
+else ifneq (,$(findstring armv,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro.so
+	fpic := -fPIC
+	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
+	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
+	INCFLAGS += -I.
+	TARGET_ARCH = arm
+	ifneq (,$(findstring gles,$(platform)))
+		GLES := 1
+		GL_LIB := -lGLESv2 -lEGL
+		LDFLAGS += -lGLESv2 -lEGL
+	else
+		GL_LIB := -lGL
+	endif
+	ifneq (,$(findstring cortexa8,$(platform)))
+		CPUFLAGS += -marm -mcpu=cortex-a8
+	else ifneq (,$(findstring cortexa9,$(platform)))
+		CPUFLAGS += -marm -mcpu=cortex-a9
+	endif
+		CPUFLAGS += -marm
+	ifneq (,$(findstring neon,$(platform)))
+		CPUFLAGS += -mfpu=neon -D__NEON_OPT
+		HAVE_NEON = 1
+	endif
+	ifneq (,$(findstring softfloat,$(platform)))
+		CPUFLAGS += -mfloat-abi=softfp
+	else ifneq (,$(findstring hardfloat,$(platform)))
+		CPUFLAGS += -mfloat-abi=hard
+	endif
+	CPUFLAGS += -D__arm__ -DARM_ASM
+	PLATCFLAGS += -DARM
+	LDFLAGS += -lrt -ldl
+
+# emscripten
+else ifeq ($(platform), emscripten)
+	TARGET := $(TARGET_NAME)_libretro_emscripten.bc
+	GLES := 1
+	CPUFLAGS += 
+	PLATCFLAGS += -DCC_resampler=mupen_CC_resampler -Dsinc_resampler=mupen_sinc_resampler \
+					-Drglgen_symbol_map=mupen_rglgen_symbol_map -Dmain_exit=mupen_main_exit \
+					-Dadler32=mupen_adler32 -Drarch_resampler_realloc=mupen_rarch_resampler_realloc \
+					-Daudio_convert_s16_to_float_C=mupen_audio_convert_s16_to_float_C -Daudio_convert_float_to_s16_C=mupen_audio_convert_float_to_s16_C \
+					-Daudio_convert_init_simd=mupen_audio_convert_init_simd -Drglgen_resolve_symbols_custom=mupen_rglgen_resolve_symbols_custom \
+					-Drglgen_resolve_symbols=mupen_rglgen_resolve_symbols
+	PLATFORM_EXT := unix
+
+# Windows MSVC 2017 all architectures
+else ifneq (,$(findstring windows_msvc2017,$(platform)))
+
+	PlatformSuffix = $(subst windows_msvc2017_,,$(platform))
+	ifneq (,$(findstring desktop,$(PlatformSuffix)))
+		WinPartition = desktop
+		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_UNICODE -DUNICODE -DWINVER=0x0501 -D_WIN32_WINNT=0x0501
+		LDFLAGS += -MANIFEST -NXCOMPAT -DYNAMICBASE -DEBUG -OPT:REF -INCREMENTAL:NO -SUBSYSTEM:WINDOWS -MANIFESTUAC:"level='asInvoker' uiAccess='false'" -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1
+		LIBS += kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib
+	else ifneq (,$(findstring uwp,$(PlatformSuffix)))
+		WinPartition = uwp
+		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_APP -DWINDLL -D_UNICODE -DUNICODE -DWRL_NO_DEFAULT_LIB
+		LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
+		LIBS += WindowsApp.lib
+	endif
+
+	CFLAGS += $(MSVC2017CompileFlags) -nologo
+	CXXFLAGS += $(MSVC2017CompileFlags) -nologo -EHsc
+
+	TargetArchMoniker = $(subst $(WinPartition)_,,$(PlatformSuffix))
+
+	CC  = cl.exe
+	CXX = cl.exe
+
+	SPACE :=
+	SPACE := $(SPACE) $(SPACE)
+	BACKSLASH :=
+	BACKSLASH := \$(BACKSLASH)
+	filter_out1 = $(filter-out $(firstword $1),$1)
+	filter_out2 = $(call filter_out1,$(call filter_out1,$1))
+
+	reg_query = $(call filter_out2,$(subst $2,,$(shell reg query "$2" -v "$1" 2>nul)))
+	fix_path = $(subst $(SPACE),\ ,$(subst \,/,$1))
+
+	ProgramFiles86w := $(shell cmd /c "echo %PROGRAMFILES(x86)%")
+	ProgramFiles86 := $(shell cygpath "$(ProgramFiles86w)")
+
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
+	WindowsSdkDir := $(WindowsSdkDir)
+
+	WindowsSDKVersion ?= $(firstword $(foreach folder,$(subst $(subst \,/,$(WindowsSdkDir)Include/),,$(wildcard $(call fix_path,$(WindowsSdkDir)Include\*))),$(if $(wildcard $(call fix_path,$(WindowsSdkDir)Include/$(folder)/um/Windows.h)),$(folder),)))$(BACKSLASH)
+	WindowsSDKVersion := $(WindowsSDKVersion)
+
+	VsInstallBuildTools = $(ProgramFiles86)/Microsoft Visual Studio/2017/BuildTools
+	VsInstallEnterprise = $(ProgramFiles86)/Microsoft Visual Studio/2017/Enterprise
+	VsInstallProfessional = $(ProgramFiles86)/Microsoft Visual Studio/2017/Professional
+	VsInstallCommunity = $(ProgramFiles86)/Microsoft Visual Studio/2017/Community
+
+	VsInstallRoot ?= $(shell if [ -d "$(VsInstallBuildTools)" ]; then echo "$(VsInstallBuildTools)"; fi)
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallEnterprise)" ]; then echo "$(VsInstallEnterprise)"; fi)
+	endif
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallProfessional)" ]; then echo "$(VsInstallProfessional)"; fi)
+	endif
+	ifeq ($(VsInstallRoot), )
+		VsInstallRoot = $(shell if [ -d "$(VsInstallCommunity)" ]; then echo "$(VsInstallCommunity)"; fi)
+	endif
+	VsInstallRoot := $(VsInstallRoot)
+
+	VcCompilerToolsVer := $(shell cat "$(VsInstallRoot)/VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt" | grep -o '[0-9\.]*')
+	VcCompilerToolsDir := $(VsInstallRoot)/VC/Tools/MSVC/$(VcCompilerToolsVer)
+
+	WindowsSDKSharedIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\shared")
+	WindowsSDKUCRTIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\ucrt")
+	WindowsSDKUMIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\um")
+	WindowsSDKUCRTLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\ucrt\$(TargetArchMoniker)")
+	WindowsSDKUMLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\um\$(TargetArchMoniker)")
+
+	LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/lib/$(TargetArchMoniker)")
+	INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")
+
+	# For some reason the HostX86 compiler doesn't like compiling for x64
+	# ("no such file" opening a shared library), and vice-versa.
+	# Work around it for now by using the strictly x86 compiler for x86, and x64 for x64.
+	# NOTE: What about ARM?
+	ifneq (,$(findstring x64,$(TargetArchMoniker)))
+		TARGET_ARCH = x86_64
+		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX64
+      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x64
+	else
+		TARGET_ARCH = x86
+		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX86
+      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x86
+	endif
+
+	PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)/$(TargetArchMoniker)"):$(PATH)
+	PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")
+
+	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
+	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir);$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
+	TARGET := $(TARGET_NAME)_libretro.dll
+	PSS_STYLE :=2
+	LDFLAGS += -DLL
+	PLATFORM_EXT := win32
+	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/include
+	FFMPEGLIBDIR := $(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
+	FFMPEGLDFLAGS += -LIBPATH:$(FFMPEGLIBDIR)
+	GL_LIB := opengl32.lib
+	LDFLAGS += ws2_32.lib user32.lib shell32.lib avcodec.lib avutil.lib swresample.lib swscale.lib avformat.lib advapi32.lib winmm.lib gdi32.lib d3d9.lib d3dx9.lib
+
+# Windows
+else ifneq (,$(findstring win,$(platform)))   
+	TARGET := $(TARGET_NAME)_libretro.dll
+	CFLAGS += -D_UNICODE -DUNICODE
+	CXXFLAGS += -fpermissive -Wno-multichar -D_UNICODE -DUNICODE
+	LDFLAGS += -shared -Wl,--no-undefined -static-libgcc -static-libstdc++ -Wl,--version-script=link.T -lwinmm -lgdi32 -lwsock32 -lws2_32 -ld3d9 -ld3dx9
+	GL_LIB := -lopengl32
+	PLATFORM_EXT := win32
+   FFMPEGINCFLAGS += -I$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/include
+   FFMPEGLDFLAGS += -lavformat -lavcodec -lavutil -lswresample -lswscale
+   INCFLAGS += -include $(CORE_DIR)/Windows/mingw_defines.h
+   ifneq (,$(findstring 64,$(TARGET_ARCH)))
+		LDFLAGS += -L$(CORE_DIR)/dx9sdk/Lib/x64
+	else
+		LDFLAGS += -L$(CORE_DIR)/dx9sdk/Lib/x86
+	endif
+   fpic = -fPIC
+	CC = gcc
+	CXX = g++
+endif
+
+include Makefile.common
+
+ifeq ($(GLES), 1)
+	GLFLAGS += -DGLES -DUSING_GLES2
+else
+	GLFLAGS += -DHAVE_OPENGL
+endif
+
+COREFLAGS += -D__LIBRETRO__ -DPPSSPP -DUSE_FFMPEG -DGLEW_STATIC -DGLEW_NO_GLU
+
+ifeq ($(DEBUG), 1)
+	ifneq (,$(findstring msvc,$(platform)))
+		CPUOPTS += -Od -MDd -Zi -FS
+		LDFLAGS += -DEBUG
+	else
+		CPUOPTS += -O0 -g
+	endif
+	CPUOPTS += -D_DEBUG
+else
+	CPUOPTS += -O2 -D_NDEBUG
+endif
+
+ifeq (,$(findstring msvc,$(platform)))
+   CXXFLAGS += -std=c++11
+endif
+
+### Finalize ###
+OBJECTS		+= $(SOURCES_CXX:.cpp=.o) $(SOURCES_C:.c=.o) $(ASMFILES:.S=.o)
+CXXFLAGS    += $(CPUOPTS) $(COREFLAGS) $(FFMPEGINCFLAGS) $(INCFLAGS) $(INCFLAGS_PLATFORM) $(PLATCFLAGS) $(fpic) $(PLATCFLAGS) $(CPUFLAGS) $(GLFLAGS) $(DYNAFLAGS)
+CFLAGS		+= $(CPUOPTS) $(COREFLAGS) $(FFMPEGINCFLAGS) $(INCFLAGS) $(INCFLAGS_PLATFORM) $(PLATCFLAGS) $(fpic) $(PLATCFLAGS) $(CPUFLAGS) $(GLFLAGS) $(DYNAFLAGS)
+
+LDFLAGS		+= $(FFMPEGLDFLAGS) $(fpic)
+ifeq (,$(findstring android,$(platform)))
+   ifeq (,$(findstring msvc,$(platform)))
+      LDFLAGS		+= -lpthread
+   endif
+endif
+
+OBJOUT   = -o
+LINKOUT  = -o 
+
+ifneq (,$(findstring msvc,$(platform)))
+	OBJOUT = -Fo
+	LINKOUT = -out:
+	LD = link.exe
+else
+	LD = $(CXX)
+   CFLAGS += -ffunction-sections -fdata-sections
+   CXXFLAGS += -ffunction-sections -fdata-sections
+   LDFLAGS += -Wl,--gc-sections
+endif
+
+all: $(TARGET)
+
+%.o: %.S
+	$(AS) $(CFLAGS) -c $(OBJOUT)$@ $<
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $(OBJOUT)$@ $<
+
+%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c $(OBJOUT)$@ $<
+
+$(TARGET): $(OBJECTS)
+ifeq ($(STATIC_LINKING), 1)
+	$(AR) rcs $A $(OBJECTS)
+else
+	$(LD) $(LINKOUT)$@ $(OBJECTS) $(LDFLAGS) $(GL_LIB)
+endif
+
+clean:
+	rm -f $(OBJECTS) $(TARGET)
+
+.PHONY: clean
+
+print-%:
+	@echo '$*=$($*)'
--- a/libretro/Makefile.common
+++ b/libretro/Makefile.common
@ -0,0 +1,690 @@
+FFMPEGDIR		= $(CORE_DIR)/ffmpeg
+LIBRETRODIR		= $(CORE_DIR)/libretro
+COREDIR			= $(CORE_DIR)/Core
+COMMONDIR		= $(CORE_DIR)/Common
+GPUCOMMONDIR		= $(CORE_DIR)/GPU/Common
+GPUDIR			= $(CORE_DIR)/GPU
+EXTDIR			= $(CORE_DIR)/ext
+NATIVEDIR		= $(EXTDIR)/native
+
+INCFLAGS += \
+	-I$(CORE_DIR) \
+	-I$(COMMONDIR) \
+	-I$(CORE_DIR)/libretro \
+	-I$(EXTDIR)/native \
+	-I$(EXTDIR)/zlib \
+	-I$(EXTDIR)/snappy \
+	-I$(FFMPEGDIR) \
+	$(FFMPEGINCFLAGS) \
+	-I$(EXTDIR)/cityhash \
+	-I$(EXTDIR)/armips \
+	-I$(NATIVEDIR)/ext \
+	-I$(NATIVEDIR) \
+	-I$(EXTDIR)/libkirk \
+	-I$(EXTDIR)/xbrz \
+	-I$(EXTDIR)/xxhash \
+	-I$(EXTDIR)/glew
+
+ifeq ($(PLATFORM_EXT), android)
+	INCFLAGS += -I$(NATIVEDIR)/ext/libzip
+	SOURCES_C += \
+		$(NATIVEDIR)/ext/libzip/mkstemp.c \
+		$(NATIVEDIR)/ext/libzip/zip_add.c \
+		$(NATIVEDIR)/ext/libzip/zip_add_dir.c \
+		$(NATIVEDIR)/ext/libzip/zip_close.c \
+		$(NATIVEDIR)/ext/libzip/zip_delete.c \
+		$(NATIVEDIR)/ext/libzip/zip_dirent.c \
+		$(NATIVEDIR)/ext/libzip/zip_entry_free.c \
+		$(NATIVEDIR)/ext/libzip/zip_entry_new.c \
+		$(NATIVEDIR)/ext/libzip/zip_err_str.c \
+		$(NATIVEDIR)/ext/libzip/zip_error.c \
+		$(NATIVEDIR)/ext/libzip/zip_error_clear.c \
+		$(NATIVEDIR)/ext/libzip/zip_error_get.c \
+		$(NATIVEDIR)/ext/libzip/zip_error_get_sys_type.c \
+		$(NATIVEDIR)/ext/libzip/zip_error_strerror.c \
+		$(NATIVEDIR)/ext/libzip/zip_error_to_str.c \
+		$(NATIVEDIR)/ext/libzip/zip_fclose.c \
+		$(NATIVEDIR)/ext/libzip/zip_file_error_clear.c \
+		$(NATIVEDIR)/ext/libzip/zip_file_error_get.c \
+		$(NATIVEDIR)/ext/libzip/zip_file_get_offset.c \
+		$(NATIVEDIR)/ext/libzip/zip_file_strerror.c \
+		$(NATIVEDIR)/ext/libzip/zip_filerange_crc.c \
+		$(NATIVEDIR)/ext/libzip/zip_fopen.c \
+		$(NATIVEDIR)/ext/libzip/zip_fopen_index.c \
+		$(NATIVEDIR)/ext/libzip/zip_fread.c \
+		$(NATIVEDIR)/ext/libzip/zip_free.c \
+		$(NATIVEDIR)/ext/libzip/zip_get_archive_comment.c \
+		$(NATIVEDIR)/ext/libzip/zip_get_archive_flag.c \
+		$(NATIVEDIR)/ext/libzip/zip_get_file_comment.c \
+		$(NATIVEDIR)/ext/libzip/zip_get_name.c \
+		$(NATIVEDIR)/ext/libzip/zip_get_num_files.c \
+		$(NATIVEDIR)/ext/libzip/zip_memdup.c \
+		$(NATIVEDIR)/ext/libzip/zip_name_locate.c \
+		$(NATIVEDIR)/ext/libzip/zip_new.c \
+		$(NATIVEDIR)/ext/libzip/zip_open.c \
+		$(NATIVEDIR)/ext/libzip/zip_rename.c \
+		$(NATIVEDIR)/ext/libzip/zip_replace.c \
+		$(NATIVEDIR)/ext/libzip/zip_set_archive_comment.c \
+		$(NATIVEDIR)/ext/libzip/zip_set_archive_flag.c \
+		$(NATIVEDIR)/ext/libzip/zip_set_file_comment.c \
+		$(NATIVEDIR)/ext/libzip/zip_set_name.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_buffer.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_file.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_filep.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_free.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_function.c \
+		$(NATIVEDIR)/ext/libzip/zip_source_zip.c \
+		$(NATIVEDIR)/ext/libzip/zip_stat.c \
+		$(NATIVEDIR)/ext/libzip/zip_stat_index.c \
+		$(NATIVEDIR)/ext/libzip/zip_stat_init.c \
+		$(NATIVEDIR)/ext/libzip/zip_strerror.c \
+		$(NATIVEDIR)/ext/libzip/zip_unchange.c \
+		$(NATIVEDIR)/ext/libzip/zip_unchange_all.c \
+		$(NATIVEDIR)/ext/libzip/zip_unchange_archive.c \
+		$(NATIVEDIR)/ext/libzip/zip_unchange_data.c
+
+	SOURCES_C +=\
+		$(NATIVEDIR)/gfx_es2/gl3stub.c \
+		$(NATIVEDIR)/math/fast/fast_math.c \
+		$(NATIVEDIR)/math/fast/fast_matrix.c
+endif
+
+SOURCES_C += $(EXTDIR)/glew/glew.c
+
+SOURCES_C += \
+	$(EXTDIR)/libkirk/AES.c \
+	$(EXTDIR)/libkirk/amctrl.c \
+	$(EXTDIR)/libkirk/SHA1.c \
+	$(EXTDIR)/libkirk/bn.c \
+	$(EXTDIR)/libkirk/ec.c \
+	$(EXTDIR)/libkirk/kirk_engine.c
+
+SOURCES_C += \
+	$(NATIVEDIR)/ext/libpng17/png.c \
+	$(NATIVEDIR)/ext/libpng17/pngerror.c \
+	$(NATIVEDIR)/ext/libpng17/pngget.c \
+	$(NATIVEDIR)/ext/libpng17/pngmem.c \
+	$(NATIVEDIR)/ext/libpng17/pngread.c \
+	$(NATIVEDIR)/ext/libpng17/pngrio.c \
+	$(NATIVEDIR)/ext/libpng17/pngrtran.c \
+	$(NATIVEDIR)/ext/libpng17/pngrutil.c \
+	$(NATIVEDIR)/ext/libpng17/pngset.c \
+	$(NATIVEDIR)/ext/libpng17/pngtrans.c \
+	$(NATIVEDIR)/ext/libpng17/pngwio.c \
+	$(NATIVEDIR)/ext/libpng17/pngwrite.c \
+	$(NATIVEDIR)/ext/libpng17/pngwtran.c \
+	$(NATIVEDIR)/ext/libpng17/pngwutil.c
+
+SOURCES_C += $(EXTDIR)/sfmt19937/SFMT.c
+SOURCES_C   += $(EXTDIR)/xxhash.c
+
+SOURCES_CXX += \
+	$(EXTDIR)/snappy/snappy-c.cpp \
+	$(EXTDIR)/snappy/snappy.cpp
+
+SOURCES_CXX += $(EXTDIR)/xbrz/xbrz.cpp
+
+SOURCES_CXX += \
+	$(NATIVEDIR)/ext/vjson/json.cpp \
+	$(NATIVEDIR)/ext/vjson/block_allocator.cpp
+
+SOURCES_CXX += $(NATIVEDIR)/ext/cityhash/city.cpp
+
+SOURCES_CXX += \
+	$(COMMONDIR)/Crypto/md5.cpp \
+	$(COMMONDIR)/Crypto/sha1.cpp \
+	$(COMMONDIR)/Crypto/sha256.cpp
+
+SOURCES_CXX += \
+	$(COMMONDIR)/ChunkFile.cpp \
+	$(COMMONDIR)/ConsoleListener.cpp \
+	$(COMMONDIR)/FileUtil.cpp \
+	$(COMMONDIR)/KeyMap.cpp \
+	$(COMMONDIR)/LogManager.cpp \
+	$(COMMONDIR)/OSVersion.cpp \
+	$(COMMONDIR)/MemoryUtil.cpp \
+	$(COMMONDIR)/Misc.cpp \
+	$(COMMONDIR)/MsgHandler.cpp \
+	$(COMMONDIR)/StringUtils.cpp \
+	$(COMMONDIR)/Timer.cpp \
+	$(COMMONDIR)/ThreadPools.cpp
+
+
+
+SOURCES_CXX += \
+	$(GPUCOMMONDIR)/VertexDecoderCommon.cpp \
+	$(GPUCOMMONDIR)/GPUStateUtils.cpp \
+	$(GPUCOMMONDIR)/DrawEngineCommon.cpp \
+	$(GPUCOMMONDIR)/SplineCommon.cpp \
+	$(GPUCOMMONDIR)/FramebufferCommon.cpp \
+	$(GPUCOMMONDIR)/ShaderId.cpp \
+	$(GPUCOMMONDIR)/ShaderCommon.cpp \
+	$(GPUCOMMONDIR)/ShaderUniforms.cpp \
+	$(GPUCOMMONDIR)/ShaderTranslation.cpp \
+	$(GPUCOMMONDIR)/GPUDebugInterface.cpp \
+	$(GPUCOMMONDIR)/DepalettizeShaderCommon.cpp \
+	$(GPUCOMMONDIR)/TransformCommon.cpp \
+	$(GPUCOMMONDIR)/IndexGenerator.cpp \
+	$(GPUCOMMONDIR)/TextureDecoder.cpp \
+	$(GPUCOMMONDIR)/PostShader.cpp \
+	$(COMMONDIR)/ColorConv.cpp \
+	$(GPUDIR)/Debugger/Breakpoints.cpp \
+	$(GPUDIR)/Debugger/Stepping.cpp \
+	$(GPUDIR)/Debugger/Record.cpp \
+	$(GPUDIR)/Common/TextureCacheCommon.cpp \
+	$(GPUDIR)/Common/TextureScalerCommon.cpp \
+	$(GPUDIR)/Common/SoftwareTransformCommon.cpp \
+	$(GPUDIR)/Common/StencilCommon.cpp \
+	$(GPUDIR)/Software/TransformUnit.cpp \
+	$(GPUDIR)/Software/SoftGpu.cpp \
+	$(GPUDIR)/Software/Sampler.cpp \
+	$(GPUDIR)/GeDisasm.cpp \
+	$(GPUDIR)/GPUCommon.cpp \
+	$(GPUDIR)/GPU.cpp \
+	$(GPUDIR)/GPUState.cpp \
+	$(GPUDIR)/Math3D.cpp \
+	$(GPUDIR)/Null/NullGpu.cpp \
+	$(GPUDIR)/Software/Clipper.cpp \
+	$(GPUDIR)/Software/Lighting.cpp \
+	$(GPUDIR)/Software/Rasterizer.cpp \
+	$(GPUDIR)/GLES/DepalettizeShaderGLES.cpp \
+	$(GPUDIR)/GLES/VertexShaderGeneratorGLES.cpp \
+	$(GPUDIR)/GLES/DrawEngineGLES.cpp \
+	$(GPUDIR)/GLES/GPU_GLES.cpp \
+	$(GPUDIR)/GLES/FragmentShaderGeneratorGLES.cpp \
+	$(GPUDIR)/GLES/FragmentTestCacheGLES.cpp \
+	$(GPUDIR)/GLES/FramebufferManagerGLES.cpp \
+	$(GPUDIR)/GLES/TextureCacheGLES.cpp \
+	$(GPUDIR)/GLES/TextureScalerGLES.cpp \
+	$(GPUDIR)/GLES/ShaderManagerGLES.cpp \
+	$(GPUDIR)/GLES/StateMappingGLES.cpp \
+	$(GPUDIR)/GLES/StencilBufferGLES.cpp \
+	$(EXTDIR)/native/base/backtrace.cpp \
+	$(EXTDIR)/native/base/buffer.cpp \
+	$(EXTDIR)/native/base/colorutil.cpp \
+	$(EXTDIR)/native/base/display.cpp \
+   $(EXTDIR)/native/base/logging.cpp \
+	$(EXTDIR)/native/base/stringutil.cpp \
+	$(EXTDIR)/native/base/timeutil.cpp \
+	$(EXTDIR)/native/data/compression.cpp \
+	$(EXTDIR)/glslang/OGLCompilersDLL/InitializeDll.cpp \
+	$(EXTDIR)/glslang/glslang/GenericCodeGen/CodeGen.cpp \
+	$(EXTDIR)/glslang/glslang/GenericCodeGen/Link.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/preprocessor/Pp.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/preprocessor/PpAtom.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/preprocessor/PpContext.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/preprocessor/PpScanner.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/preprocessor/PpTokens.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/Constant.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/InfoSink.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/Initialize.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/Intermediate.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/IntermTraverse.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/ParseContextBase.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/ParseHelper.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/PoolAlloc.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/RemoveTree.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/Scan.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/ShaderLang.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/SymbolTable.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/Versions.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/glslang_tab.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/intermOut.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/iomapper.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/limits.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/linkValidate.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/parseConst.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/propagateNoContraction.cpp \
+	$(EXTDIR)/glslang/glslang/MachineIndependent/reflection.cpp \
+	$(EXTDIR)/glslang/SPIRV/InReadableOrder.cpp \
+	$(EXTDIR)/glslang/SPIRV/GlslangToSpv.cpp \
+	$(EXTDIR)/glslang/SPIRV/Logger.cpp \
+	$(EXTDIR)/glslang/SPIRV/SpvBuilder.cpp \
+	$(EXTDIR)/SPIRV-Cross/spirv_cfg.cpp \
+	$(EXTDIR)/SPIRV-Cross/spirv_cross.cpp \
+	$(EXTDIR)/SPIRV-Cross/spirv_glsl.cpp \
+   $(EXTDIR)/SPIRV-Cross/spirv_hlsl.cpp
+
+ifeq ($(PLATFORM_EXT), win32)
+SOURCES_CXX += $(COMMONDIR)/MemArenaWin32.cpp \
+	       $(EXTDIR)/glslang/glslang/OSDependent/Windows/ossource.cpp \
+	       $(NATIVEDIR)/gfx_es2/draw_text_win.cpp
+else ifeq ($(PLATFORM_EXT), darwin)
+SOURCES_CXX += $(COMMONDIR)/MemArenaDarwin.cpp
+else ifeq ($(PLATFORM_EXT), android)
+SOURCES_CXX += $(COMMONDIR)/MemArenaAndroid.cpp \
+	       $(EXTDIR)/glslang/glslang/OSDependent/Unix/ossource.cpp \
+			 $(NATIVEDIR)/gfx_es2/draw_text_android.cpp
+else
+SOURCES_CXX += $(COMMONDIR)/MemArenaPosix.cpp \
+	       $(EXTDIR)/glslang/glslang/OSDependent/Unix/ossource.cpp
+endif
+
+SOURCES_CXX += $(NATIVEDIR)/math/dataconv.cpp \
+	       $(NATIVEDIR)/file/fd_util.cpp \
+	       $(NATIVEDIR)/file/file_util.cpp \
+	       $(NATIVEDIR)/file/ini_file.cpp \
+	       $(NATIVEDIR)/file/free.cpp \
+	       $(NATIVEDIR)/file/zip_read.cpp \
+	       $(NATIVEDIR)/gfx/gl_debug_log.cpp \
+	       $(NATIVEDIR)/gfx/texture_atlas.cpp \
+          $(NATIVEDIR)/gfx/d3d9_shader.cpp \
+          $(NATIVEDIR)/gfx/d3d9_state.cpp \
+			 $(NATIVEDIR)/gfx_es2/draw_buffer.cpp \
+          $(NATIVEDIR)/gfx_es2/draw_text.cpp \
+	       $(NATIVEDIR)/gfx_es2/gpu_features.cpp \
+	       $(NATIVEDIR)/gfx_es2/glsl_program.cpp \
+	       $(NATIVEDIR)/i18n/i18n.cpp \
+	       $(NATIVEDIR)/image/zim_load.cpp \
+	       $(NATIVEDIR)/image/png_load.cpp \
+	       $(NATIVEDIR)/input/gesture_detector.cpp \
+	       $(NATIVEDIR)/input/input_state.cpp \
+	       $(NATIVEDIR)/math/curves.cpp \
+	       $(NATIVEDIR)/math/expression_parser.cpp \
+	       $(NATIVEDIR)/math/lin/matrix4x4.cpp \
+          $(NATIVEDIR)/math/lin/plane.cpp \
+          $(NATIVEDIR)/math/lin/quat.cpp \
+          $(NATIVEDIR)/math/lin/vec3.cpp \
+	       $(NATIVEDIR)/net/http_client.cpp \
+	       $(NATIVEDIR)/net/resolve.cpp \
+	       $(NATIVEDIR)/net/url.cpp \
+	       $(NATIVEDIR)/thin3d/thin3d.cpp \
+			 $(NATIVEDIR)/thin3d/thin3d_gl.cpp \
+          $(NATIVEDIR)/thin3d/GLRenderManager.cpp \
+          $(NATIVEDIR)/thin3d/GLQueueRunner.cpp \
+          $(NATIVEDIR)/thin3d/DataFormatGL.cpp \
+	       $(NATIVEDIR)/thread/threadutil.cpp \
+	       $(NATIVEDIR)/thread/threadpool.cpp \
+	       $(NATIVEDIR)/ui/screen.cpp \
+	       $(NATIVEDIR)/ui/ui.cpp \
+          $(NATIVEDIR)/ui/ui_context.cpp \
+	       $(NATIVEDIR)/ui/ui_screen.cpp \
+	       $(NATIVEDIR)/ui/ui_tween.cpp \
+	       $(NATIVEDIR)/ui/view.cpp \
+	       $(NATIVEDIR)/ui/viewgroup.cpp \
+	       $(NATIVEDIR)/util/hash/hash.cpp \
+	       $(NATIVEDIR)/util/text/utf8.cpp \
+	       $(NATIVEDIR)/util/text/parsers.cpp \
+	       $(NATIVEDIR)/util/text/wrap_text.cpp \
+	       $(NATIVEDIR)/ext/jpge/jpgd.cpp \
+	       $(NATIVEDIR)/ext/jpge/jpge.cpp \
+	       $(COREDIR)/AVIDump.cpp \
+	       $(COREDIR)/Config.cpp \
+	       $(COREDIR)/TextureReplacer.cpp \
+	       $(COREDIR)/Core.cpp \
+	       $(COREDIR)/WaveFile.cpp \
+	       $(COREDIR)/FileLoaders/HTTPFileLoader.cpp \
+	       $(COREDIR)/FileLoaders/CachingFileLoader.cpp \
+	       $(COREDIR)/FileLoaders/DiskCachingFileLoader.cpp \
+	       $(COREDIR)/FileLoaders/RetryingFileLoader.cpp \
+	       $(COREDIR)/FileLoaders/RamCachingFileLoader.cpp \
+	       $(COREDIR)/FileLoaders/LocalFileLoader.cpp \
+	       $(COREDIR)/CoreTiming.cpp \
+	       $(COREDIR)/CwCheat.cpp \
+	       $(COREDIR)/HDRemaster.cpp \
+	       $(COREDIR)/Debugger/Breakpoints.cpp \
+	       $(COREDIR)/Debugger/SymbolMap.cpp \
+	       $(COREDIR)/Dialog/PSPDialog.cpp \
+	       $(COREDIR)/Dialog/PSPGamedataInstallDialog.cpp \
+	       $(COREDIR)/Dialog/PSPMsgDialog.cpp \
+	       $(COREDIR)/Dialog/PSPNetconfDialog.cpp \
+	       $(COREDIR)/Dialog/PSPOskDialog.cpp \
+	       $(COREDIR)/Dialog/PSPSaveDialog.cpp \
+	       $(COREDIR)/Dialog/PSPScreenshotDialog.cpp \
+	       $(COREDIR)/Dialog/SavedataParam.cpp \
+	       $(COREDIR)/ELF/ElfReader.cpp \
+	       $(COREDIR)/ELF/PBPReader.cpp \
+	       $(COREDIR)/ELF/PrxDecrypter.cpp \
+	       $(COREDIR)/ELF/ParamSFO.cpp \
+	       $(COREDIR)/FileSystems/tlzrc.cpp \
+	       $(COREDIR)/FileSystems/BlockDevices.cpp \
+	       $(COREDIR)/FileSystems/BlobFileSystem.cpp \
+	       $(COREDIR)/FileSystems/DirectoryFileSystem.cpp \
+	       $(COREDIR)/FileSystems/FileSystem.cpp \
+	       $(COREDIR)/FileSystems/ISOFileSystem.cpp \
+	       $(COREDIR)/FileSystems/MetaFileSystem.cpp \
+	       $(COREDIR)/FileSystems/VirtualDiscFileSystem.cpp \
+	       $(COREDIR)/Font/PGF.cpp \
+	       $(COREDIR)/HLE/HLE.cpp \
+	       $(COREDIR)/HLE/KUBridge.cpp \
+	       $(COREDIR)/HLE/sceSha256.cpp \
+	       $(COREDIR)/HLE/sceG729.cpp \
+	       $(COREDIR)/HLE/sceSfmt19937.cpp \
+	       $(COREDIR)/HLE/ReplaceTables.cpp \
+	       $(COREDIR)/HLE/HLEHelperThread.cpp \
+	       $(COREDIR)/HLE/HLETables.cpp \
+	       $(COREDIR)/HLE/sceAdler.cpp \
+	       $(COREDIR)/HLE/sceAtrac.cpp \
+	       $(COREDIR)/HLE/sceAudio.cpp \
+	       $(COREDIR)/HLE/sceAudiocodec.cpp \
+	       $(COREDIR)/HLE/sceAudioRouting.cpp \
+	       $(COREDIR)/HLE/sceCcc.cpp \
+	       $(COREDIR)/HLE/sceChnnlsv.cpp \
+	       $(COREDIR)/HLE/sceCtrl.cpp \
+	       $(COREDIR)/HLE/sceDeflt.cpp \
+	       $(COREDIR)/HLE/sceDisplay.cpp \
+	       $(COREDIR)/HLE/sceDmac.cpp \
+	       $(COREDIR)/HLE/sceGameUpdate.cpp \
+	       $(COREDIR)/HLE/sceGe.cpp \
+	       $(COREDIR)/HLE/sceFont.cpp \
+	       $(COREDIR)/HLE/sceHeap.cpp \
+	       $(COREDIR)/HLE/sceHprm.cpp \
+	       $(COREDIR)/HLE/sceHttp.cpp \
+	       $(COREDIR)/HLE/sceImpose.cpp \
+	       $(COREDIR)/HLE/sceIo.cpp \
+	       $(COREDIR)/HLE/sceJpeg.cpp \
+	       $(COREDIR)/HLE/sceKernel.cpp \
+	       $(COREDIR)/HLE/sceKernelAlarm.cpp \
+	       $(COREDIR)/HLE/sceKernelEventFlag.cpp \
+	       $(COREDIR)/HLE/sceKernelInterrupt.cpp \
+	       $(COREDIR)/HLE/sceKernelMbx.cpp \
+	       $(COREDIR)/HLE/sceKernelMemory.cpp \
+	       $(COREDIR)/HLE/sceKernelModule.cpp \
+	       $(COREDIR)/HLE/sceKernelMsgPipe.cpp \
+	       $(COREDIR)/HLE/sceKernelMutex.cpp \
+	       $(COREDIR)/HLE/sceKernelSemaphore.cpp \
+	       $(COREDIR)/HLE/sceKernelThread.cpp \
+	       $(COREDIR)/HLE/sceKernelTime.cpp \
+	       $(COREDIR)/HLE/sceKernelVTimer.cpp \
+	       $(COREDIR)/HLE/sceMpeg.cpp \
+	       $(COREDIR)/HLE/sceNet.cpp \
+	       $(COREDIR)/HLE/sceNetAdhoc.cpp \
+	       $(COREDIR)/HLE/proAdhocServer.cpp \
+	       $(COREDIR)/HLE/proAdhoc.cpp \
+	       $(COREDIR)/HLE/sceOpenPSID.cpp \
+	       $(COREDIR)/HLE/sceP3da.cpp \
+	       $(COREDIR)/HLE/sceMt19937.cpp \
+	       $(COREDIR)/HLE/sceMd5.cpp \
+	       $(COREDIR)/HLE/sceMp4.cpp \
+	       $(COREDIR)/HLE/sceMp3.cpp \
+	       $(COREDIR)/HLE/sceParseHttp.cpp \
+	       $(COREDIR)/HLE/sceParseUri.cpp \
+	       $(COREDIR)/HLE/scePower.cpp \
+	       $(COREDIR)/HLE/scePsmf.cpp \
+	       $(COREDIR)/HLE/sceRtc.cpp \
+	       $(COREDIR)/HLE/sceSas.cpp \
+	       $(COREDIR)/HLE/sceSsl.cpp \
+	       $(COREDIR)/HLE/sceUmd.cpp \
+	       $(COREDIR)/HLE/sceUsb.cpp \
+	       $(COREDIR)/HLE/sceUsbCam.cpp \
+	       $(COREDIR)/HLE/sceUtility.cpp \
+	       $(COREDIR)/HLE/sceVaudio.cpp \
+	       $(COREDIR)/HLE/scePspNpDrm_user.cpp \
+	       $(COREDIR)/HLE/sceNp.cpp \
+	       $(COREDIR)/HLE/scePauth.cpp \
+	       $(COREDIR)/HLE/sceUsbGps.cpp \
+	       $(COREDIR)/HW/SimpleAudioDec.cpp \
+	       $(COREDIR)/HW/AsyncIOManager.cpp \
+	       $(COREDIR)/HW/MediaEngine.cpp \
+	       $(COREDIR)/HW/MpegDemux.cpp \
+	       $(COREDIR)/HW/MemoryStick.cpp \
+	       $(COREDIR)/HW/SasAudio.cpp \
+	       $(COREDIR)/HW/SasReverb.cpp \
+	       $(COREDIR)/HW/StereoResampler.cpp \
+	       $(COREDIR)/Compatibility.cpp \
+	       $(COREDIR)/Host.cpp \
+	       $(COREDIR)/Loaders.cpp \
+	       $(COREDIR)/MIPS/JitCommon/JitCommon.cpp \
+	       $(COREDIR)/MIPS/JitCommon/JitState.cpp \
+	       $(COREDIR)/MIPS/JitCommon/JitBlockCache.cpp \
+	       $(COREDIR)/MIPS/IR/IRCompALU.cpp \
+	       $(COREDIR)/MIPS/IR/IRCompBranch.cpp \
+	       $(COREDIR)/MIPS/IR/IRCompFPU.cpp \
+	       $(COREDIR)/MIPS/IR/IRCompLoadStore.cpp \
+	       $(COREDIR)/MIPS/IR/IRCompVFPU.cpp \
+	       $(COREDIR)/MIPS/IR/IRInterpreter.cpp \
+	       $(COREDIR)/MIPS/IR/IRJit.cpp \
+	       $(COREDIR)/MIPS/IR/IRInst.cpp \
+	       $(COREDIR)/MIPS/IR/IRPassSimplify.cpp \
+	       $(COREDIR)/MIPS/IR/IRRegCache.cpp \
+	       $(COREDIR)/MIPS/IR/IRFrontend.cpp \
+	       $(COREDIR)/MIPS/MIPS.cpp \
+	       $(COREDIR)/MIPS/MIPSAnalyst.cpp \
+	       $(COREDIR)/MIPS/MIPSCodeUtils.cpp \
+	       $(COREDIR)/MIPS/MIPSDebugInterface.cpp \
+	       $(COREDIR)/MIPS/MIPSDis.cpp \
+	       $(COREDIR)/MIPS/MIPSDisVFPU.cpp \
+	       $(COREDIR)/MIPS/MIPSInt.cpp \
+	       $(COREDIR)/MIPS/MIPSIntVFPU.cpp \
+	       $(COREDIR)/MIPS/MIPSTables.cpp \
+	       $(COREDIR)/MIPS/MIPSVFPUUtils.cpp \
+	       $(COREDIR)/MemMap.cpp \
+	       $(COREDIR)/MemMapFunctions.cpp \
+	       $(COREDIR)/PSPLoaders.cpp \
+	       $(COREDIR)/Reporting.cpp \
+	       $(COREDIR)/SaveState.cpp \
+	       $(COREDIR)/Screenshot.cpp \
+	       $(COREDIR)/System.cpp \
+	       $(COREDIR)/Util/BlockAllocator.cpp \
+	       $(COREDIR)/Util/PPGeDraw.cpp \
+	       $(COREDIR)/Util/ppge_atlas.cpp \
+	       $(COREDIR)/Util/AudioFormat.cpp \
+          $(EXTDIR)/disarm.cpp \
+          $(CORE_DIR)/UI/TextureUtil.cpp
+
+SOURCES_CXX += $(COREDIR)/HLE/__sceAudio.cpp
+
+### DYNAREC ###
+ifeq ($(WITH_DYNAREC),1)
+   DYNAFLAGS += -DDYNAREC
+   ifeq ($(TARGET_ARCH),arm)
+      DYNAFLAGS += -D_ARCH_32
+		SOURCES_CXX += $(COMMONDIR)/ArmEmitter.cpp \
+			       $(COMMONDIR)/ArmCPUDetect.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmAsm.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompALU.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompBranch.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompFPU.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompLoadStore.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompVFPU.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmCompReplace.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmJit.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmRegCache.cpp \
+			       $(COREDIR)/MIPS/ARM/ArmRegCacheFPU.cpp \
+			       $(GPUCOMMONDIR)/VertexDecoderArm.cpp
+
+		ifeq ($(HAVE_NEON),1)
+			SOURCES_CXX   += \
+					 $(COREDIR)/MIPS/ARM/ArmCompVFPUNEON.cpp \
+					 $(COREDIR)/MIPS/ARM/ArmCompVFPUNEONUtil.cpp \
+					 $(COREDIR)/Util/AudioFormatNEON.cpp \
+					 $(COMMONDIR)/ColorConvNEON.cpp \
+					 $(GPUDIR)/Common/TextureDecoderNEON.cpp
+
+			SOURCES_C += $(NATIVEDIR)/ext/libpng17/arm/arm_init.c \
+				     $(NATIVEDIR)/ext/libpng17/arm/filter_neon_intrinsics.c
+			ASMFILES   += $(NATIVEDIR)/math/fast/fast_matrix_neon.S \
+				      $(NATIVEDIR)/ext/libpng17/arm/filter_neon.S
+		endif
+	else ifeq ($(TARGET_ARCH),arm64)
+      DYNAFLAGS += -D_ARCH_64
+      SOURCES_CXX += $(COMMONDIR)/Arm64Emitter.cpp \
+		     $(COMMONDIR)/ArmCPUDetect.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64Asm.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompALU.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompBranch.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompFPU.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompLoadStore.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompVFPU.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64CompReplace.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64Jit.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64RegCache.cpp \
+		     $(COREDIR)/MIPS/ARM64/Arm64RegCacheFPU.cpp \
+		     $(COREDIR)/Util/DisArm64.cpp \
+		     $(GPUCOMMONDIR)/VertexDecoderArm64.cpp
+
+		ifeq ($(HAVE_NEON),1)
+			SOURCES_CXX   += \
+					 $(COREDIR)/MIPS/ARM/ArmCompVFPUNEON.cpp \
+					 $(COREDIR)/MIPS/ARM/ArmCompVFPUNEONUtil.cpp \
+					 $(COMMONDIR)/ColorConvNEON.cpp \
+					 $(GPUDIR)/Common/TextureDecoderNEON.cpp
+
+			SOURCES_C += $(NATIVEDIR)/ext/libpng17/arm/arm_init.c \
+				     $(NATIVEDIR)/ext/libpng17/arm/filter_neon_intrinsics.c
+			ASMFILES   += $(NATIVEDIR)/math/fast/fast_matrix_neon.S \
+				      $(NATIVEDIR)/ext/libpng17/arm/filter_neon.S
+		endif
+   else
+	ifneq (,$(findstring msvc,$(platform)))
+	ifeq (,$(findstring x64,$(platform)))
+		CPUFLAGS += /arch:SSE2
+	endif
+		CPUFLAGS += -D_M_IX86_FP
+	else
+		CPUFLAGS += -msse -msse2
+endif
+      ifeq ($(TARGET_ARCH),x86_64)
+         CPUFLAGS += -D_M_X64 -D_ARCH_64
+      else
+         CPUFLAGS += -D_M_IX86 -D_ARCH_32
+         ifeq (,$(findstring msvc,$(platform)))
+            CPUFLAGS += -m32
+         endif
+      endif
+	   SOURCES_CXX += $(GPUDIR)/Software/SamplerX86.cpp
+	   SOURCES_CXX += $(COMMONDIR)/x64Emitter.cpp \
+						$(COMMONDIR)/ABI.cpp \
+						$(COMMONDIR)/Thunk.cpp \
+						$(COMMONDIR)/CPUDetect.cpp \
+						$(COREDIR)/MIPS/x86/CompReplace.cpp \
+						$(COREDIR)/MIPS/x86/CompBranch.cpp \
+						$(COREDIR)/MIPS/x86/Asm.cpp \
+						$(COREDIR)/MIPS/x86/CompALU.cpp \
+						$(COREDIR)/MIPS/x86/CompVFPU.cpp \
+						$(COREDIR)/MIPS/x86/CompLoadStore.cpp \
+						$(COREDIR)/MIPS/x86/CompFPU.cpp \
+						$(COREDIR)/MIPS/x86/Jit.cpp \
+						$(COREDIR)/MIPS/x86/JitSafeMem.cpp \
+						$(COREDIR)/MIPS/x86/RegCache.cpp \
+						$(COREDIR)/MIPS/x86/RegCacheFPU.cpp \
+						$(GPUDIR)/Common/VertexDecoderX86.cpp
+		SOURCES_C   += $(NATIVEDIR)/math/fast/fast_matrix_sse.c
+   endif
+endif
+SOURCES_CXX += \
+   $(COMMONDIR)/ArmEmitter.cpp \
+   $(COMMONDIR)/Arm64Emitter.cpp \
+   $(COREDIR)/Util/DisArm64.cpp
+
+#UDIS86
+# Compiled and linked even on ARM for now
+
+SOURCES_C += $(EXTDIR)/udis86/decode.c \
+			 $(EXTDIR)/udis86/itab.c \
+			 $(EXTDIR)/udis86/syn-intel.c \
+			 $(EXTDIR)/udis86/syn.c \
+			 $(EXTDIR)/udis86/udis86.c
+
+ifeq ($(PLATFORM_EXT), darwin)
+	COREFLAGS += -DNO_VULKAN
+else
+	SOURCES_CXX += \
+		$(COMMONDIR)/Vulkan/SPIRVDisasm.cpp \
+		$(COMMONDIR)/Vulkan/VulkanContext.cpp \
+		$(COMMONDIR)/Vulkan/VulkanDebug.cpp \
+		$(COMMONDIR)/Vulkan/VulkanImage.cpp \
+		$(COMMONDIR)/Vulkan/VulkanLoader.cpp \
+		$(COMMONDIR)/Vulkan/VulkanMemory.cpp \
+		$(NATIVEDIR)/thin3d/thin3d_vulkan.cpp \
+		$(NATIVEDIR)/thin3d/VulkanRenderManager.cpp \
+		$(NATIVEDIR)/thin3d/VulkanQueueRunner.cpp \
+		$(GPUDIR)/Vulkan/DepalettizeShaderVulkan.cpp \
+		$(GPUDIR)/Vulkan/DrawEngineVulkan.cpp \
+		$(GPUDIR)/Vulkan/FragmentShaderGeneratorVulkan.cpp \
+		$(GPUDIR)/Vulkan/FramebufferVulkan.cpp \
+		$(GPUDIR)/Vulkan/GPU_Vulkan.cpp \
+		$(GPUDIR)/Vulkan/PipelineManagerVulkan.cpp \
+		$(GPUDIR)/Vulkan/ShaderManagerVulkan.cpp \
+		$(GPUDIR)/Vulkan/StateMappingVulkan.cpp \
+		$(GPUDIR)/Vulkan/StencilBufferVulkan.cpp \
+		$(GPUDIR)/Vulkan/TextureCacheVulkan.cpp \
+		$(GPUDIR)/Vulkan/TextureScalerVulkan.cpp \
+		$(GPUDIR)/Vulkan/VertexShaderGeneratorVulkan.cpp \
+		$(GPUDIR)/Vulkan/VulkanUtil.cpp \
+		$(LIBRETRODIR)/LibretroVulkanContext.cpp \
+		$(LIBRETRODIR)/libretro_vulkan.cpp
+
+	ifeq ($(PLATFORM_EXT), unix)
+		COREFLAGS += -DVK_USE_PLATFORM_XLIB_KHR
+	endif
+endif
+
+ifeq ($(PLATFORM_EXT), win32)
+SOURCES_CXX += \
+	$(GPUDIR)/Directx9/DepalettizeShaderDX9.cpp \
+	$(GPUDIR)/Directx9/DrawEngineDX9.cpp \
+	$(GPUDIR)/Directx9/PixelShaderGeneratorDX9.cpp \
+	$(GPUDIR)/Directx9/FramebufferDX9.cpp \
+	$(GPUDIR)/Directx9/GPU_DX9.cpp \
+	$(GPUDIR)/Directx9/ShaderManagerDX9.cpp \
+	$(GPUDIR)/Directx9/StateMappingDX9.cpp \
+	$(GPUDIR)/Directx9/StencilBufferDX9.cpp \
+	$(GPUDIR)/Directx9/TextureCacheDX9.cpp \
+	$(GPUDIR)/Directx9/TextureScalerDX9.cpp \
+	$(GPUDIR)/Directx9/VertexShaderGeneratorDX9.cpp
+
+SOURCES_CXX += \
+	$(GPUDIR)/D3D11/DepalettizeShaderD3D11.cpp \
+	$(GPUDIR)/D3D11/DrawEngineD3D11.cpp \
+	$(GPUDIR)/D3D11/FragmentShaderGeneratorD3D11.cpp \
+	$(GPUDIR)/D3D11/FramebufferManagerD3D11.cpp \
+	$(GPUDIR)/D3D11/GPU_D3D11.cpp \
+	$(GPUDIR)/D3D11/D3D11Util.cpp \
+	$(GPUDIR)/D3D11/ShaderManagerD3D11.cpp \
+	$(GPUDIR)/D3D11/StateMappingD3D11.cpp \
+	$(GPUDIR)/D3D11/StencilBufferD3D11.cpp \
+	$(GPUDIR)/D3D11/TextureCacheD3D11.cpp \
+	$(GPUDIR)/D3D11/TextureScalerD3D11.cpp \
+	$(GPUDIR)/D3D11/VertexShaderGeneratorD3D11.cpp
+
+SOURCES_CXX += \
+   $(NATIVEDIR)/thin3d/thin3d_d3d9.cpp \
+   $(NATIVEDIR)/thin3d/thin3d_d3d11.cpp \
+   $(NATIVEDIR)/thin3d/d3dx9_loader.cpp \
+   $(NATIVEDIR)/thin3d/d3d11_loader.cpp
+
+INCFLAGS += -I$(CORE_DIR)/dx9sdk/Include -I$(CORE_DIR)/dx9sdk/Include/DX11
+
+endif
+
+SOURCES_CXX += \
+		$(LIBRETRODIR)/libretro.cpp \
+		$(LIBRETRODIR)/LibretroGraphicsContext.cpp \
+		$(LIBRETRODIR)/LibretroGLContext.cpp
+
+ifneq ($(STATIC_LINKING), 1)
+SOURCES_C += \
+		$(EXTDIR)/zlib/adler32.c \
+		$(EXTDIR)/zlib/compress.c \
+		$(EXTDIR)/zlib/crc32.c \
+		$(EXTDIR)/zlib/deflate.c \
+		$(EXTDIR)/zlib/gzclose.c \
+		$(EXTDIR)/zlib/gzlib.c \
+		$(EXTDIR)/zlib/gzread.c \
+		$(EXTDIR)/zlib/gzwrite.c \
+		$(EXTDIR)/zlib/inffast.c \
+		$(EXTDIR)/zlib/inflate.c \
+		$(EXTDIR)/zlib/inftrees.c \
+		$(EXTDIR)/zlib/trees.c \
+		$(EXTDIR)/zlib/uncompr.c \
+		$(EXTDIR)/zlib/zutil.c
+endif
+
+GIT_VERSION_SRC = $(CORE_DIR)/git-version.cpp
+GIT_VERSION := $(shell git describe --always || echo v1.4.2-git)
+GIT_VERSION_NO_UPDATE = $(findstring 1,$(shell grep PPSSPP_GIT_VERSION_NO_UPDATE $(GIT_VERSION_SRC)))
+ifneq (,$(findstring $(GIT_VERSION),$(shell grep char $(GIT_VERSION_SRC))))
+   GIT_VERSION_NO_UPDATE = 1
+endif
+
+ifneq ($(GIT_VERSION_NO_UPDATE),1)
+   $(shell echo '// This is a generated file.' > $(GIT_VERSION_SRC))
+   $(shell echo >> $(GIT_VERSION_SRC))
+   $(shell echo 'const char *PPSSPP_GIT_VERSION = "${GIT_VERSION}";' >> $(GIT_VERSION_SRC))
+   $(shell echo >> $(GIT_VERSION_SRC))
+   $(shell echo "// If you don't want this file to update/recompile, change to 1." >> $(GIT_VERSION_SRC))
+   $(shell echo '#define PPSSPP_GIT_VERSION_NO_UPDATE 0' >> $(GIT_VERSION_SRC))
+endif
+
+SOURCES_CXX += $(GIT_VERSION_SRC)
--- a/libretro/jni/Android.mk
+++ b/libretro/jni/Android.mk
@ -0,0 +1,82 @@
+LOCAL_PATH := $(call my-dir)
+
+GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
+ifneq ($(GIT_VERSION)," unknown")
+	COREFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
+endif
+
+COREFLAGS  :=
+CORE_DIR   := ../..
+FFMPEGDIR  := $(CORE_DIR)/ffmpeg
+FFMPEGLIBS += libavformat libavcodec libavutil libswresample libswscale
+
+ifeq ($(TARGET_ARCH),arm64)
+  COREFLAGS += -DARM64 -D_ARCH_64
+  HAVE_NEON := 1
+  FFMPEGLIBDIR := $(FFMPEGDIR)/android/arm64/lib
+  FFMPEGINCFLAGS := -I$(FFMPEGDIR)/android/arm64/include
+endif
+
+ifeq ($(TARGET_ARCH),arm)
+  COREFLAGS += -DARM -DARMEABI_V7A -D__arm__ -DARM_ASM -D_ARCH_32 -mfpu=neon
+  HAVE_NEON := 1
+  FFMPEGLIBDIR := $(FFMPEGDIR)/android/armv7/lib
+  FFMPEGINCFLAGS := -I$(FFMPEGDIR)/android/armv7/include
+endif
+
+ifeq ($(TARGET_ARCH),x86)
+  COREFLAGS += -D_ARCH_32 -D_M_IX86 -fomit-frame-pointer -mtune=atom -mfpmath=sse -mssse3 -mstackrealign
+  FFMPEGLIBDIR := $(FFMPEGDIR)/android/x86/lib
+  FFMPEGINCFLAGS := -I$(FFMPEGDIR)/android/x86/include
+endif
+
+ifeq ($(TARGET_ARCH),x86_64)
+  COREFLAGS += -D_ARCH_64 -D_M_X64 -fomit-frame-pointer -mtune=atom -mfpmath=sse -mssse3 -mstackrealign
+  FFMPEGLIBDIR := $(FFMPEGDIR)/android/x86_64/lib
+  FFMPEGINCFLAGS := -I$(FFMPEGDIR)/android/x86_64/include
+endif
+
+include $(CLEAR_VARS)
+LOCAL_MODULE    := libavformat
+LOCAL_SRC_FILES := $(FFMPEGLIBDIR)/libavformat.a
+include $(PREBUILT_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE    := libavcodec
+LOCAL_SRC_FILES := $(FFMPEGLIBDIR)/libavcodec.a
+include $(PREBUILT_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE    := libavutil
+LOCAL_SRC_FILES := $(FFMPEGLIBDIR)/libavutil.a
+include $(PREBUILT_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE    := libswresample
+LOCAL_SRC_FILES := $(FFMPEGLIBDIR)/libswresample.a
+include $(PREBUILT_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE    := libswscale
+LOCAL_SRC_FILES := $(FFMPEGLIBDIR)/libswscale.a
+include $(PREBUILT_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
+PLATFORM_EXT   := android
+platform := android
+GLES = 1
+
+LOCAL_MODULE := retro
+
+include $(CORE_DIR)/libretro/Makefile.common
+
+COREFLAGS += -DINLINE="inline" -DPPSSPP -DUSE_FFMPEG -DMOBILE_DEVICE -DBAKE_IN_GIT -DDYNAREC -D__LIBRETRO__ -DUSING_GLES2 -D__STDC_CONSTANT_MACROS -DGLEW_NO_GLU -DNO_VULKAN $(INCFLAGS)
+LOCAL_SRC_FILES = $(SOURCES_CXX) $(SOURCES_C) $(ASMFILES)
+LOCAL_CPPFLAGS := -Wall -std=gnu++11 $(COREFLAGS) -DSPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS
+LOCAL_CFLAGS := -O2 -ffast-math -DANDROID $(COREFLAGS)
+LOCAL_LDLIBS += -lz -llog -lGLESv2 -lEGL -latomic
+LOCAL_STATIC_LIBRARIES += $(FFMPEGLIBS)
+
+include $(BUILD_SHARED_LIBRARY)
+
--- a/libretro/jni/Application.mk
+++ b/libretro/jni/Application.mk
@ -0,0 +1,5 @@
+NDK_TOOLCHAIN_VERSION ?= 4.8
+APP_ABI := armeabi-v7a,arm64-v8a,x86
+APP_STL := c++_static
+APP_GNUSTL_CPP_FEATURES := exceptions
+APP_PLATFORM := android-9
--- a/libretro/libretro.cpp
+++ b/libretro/libretro.cpp
@ -0,0 +1,792 @@
+
+#include <cstring>
+#include <cassert>
+#include <thread>
+#include <atomic>
+
+#include "base/timeutil.h"
+#include "Common/ChunkFile.h"
+#include "Core/Config.h"
+#include "Core/Core.h"
+#include "Core/HLE/sceCtrl.h"
+#include "Core/HLE/sceUtility.h"
+#include "Core/HLE/__sceAudio.h"
+#include "Core/HW/MemoryStick.h"
+#include "Core/Host.h"
+#include "Core/System.h"
+#include "Log.h"
+#include "LogManager.h"
+#include "ConsoleListener.h"
+#include "file/vfs.h"
+#include "file/zip_read.h"
+#include "GPU/GPUState.h"
+#include "GPU/GPUInterface.h"
+#include "GPU/Common/FramebufferCommon.h"
+#include "GPU/Common/TextureScalerCommon.h"
+#include "input/input_state.h"
+#include "base/NativeApp.h"
+#include "thread/threadutil.h"
+
+#include "libretro/libretro.h"
+#include "libretro/LibretroGraphicsContext.h"
+
+#define DIR_SEP "/"
+#ifdef _WIN32
+#define DIR_SEP_CHRS "/\\"
+#else
+#define DIR_SEP_CHRS "/"
+#endif
+
+#define SAMPLERATE 44100
+
+namespace Libretro {
+LibretroGraphicsContext *ctx;
+retro_environment_t environ_cb;
+static retro_audio_sample_batch_t audio_batch_cb;
+static retro_input_poll_t input_poll_cb;
+static retro_input_state_t input_state_cb;
+}   // namespace Libretro
+
+using namespace Libretro;
+
+class LibretroHost : public Host {
+	public:
+	LibretroHost() {}
+	bool InitGraphics(std::string *error_message, GraphicsContext **ctx) override { return true; }
+	void ShutdownGraphics() override {}
+	void InitSound() override {}
+	void UpdateSound() override
+	{
+		extern int hostAttemptBlockSize;
+		const int blockSizeMax = 512;
+		static int16_t audio[blockSizeMax * 2];
+		assert(hostAttemptBlockSize <= blockSizeMax);
+
+		int samples = __AudioMix(audio, hostAttemptBlockSize, SAMPLERATE);
+		audio_batch_cb(audio, samples);
+	}
+	void ShutdownSound() override {}
+	bool IsDebuggingEnabled() override { return false; }
+	bool AttemptLoadSymbolMap() override { return false; }
+};
+
+class PrintfLogger : public LogListener {
+	public:
+	PrintfLogger(retro_log_callback log) : log_(log.log) {}
+	void Log(const LogMessage &message)
+	{
+		switch (message.level)
+		{
+			case LogTypes::LVERBOSE:
+			case LogTypes::LDEBUG:
+				log_(RETRO_LOG_DEBUG, "[%s] %s", message.log, message.msg.c_str());
+				return;
+
+			case LogTypes::LERROR:
+				log_(RETRO_LOG_ERROR, "[%s] %s", message.log, message.msg.c_str());
+				return;
+
+			case LogTypes::LNOTICE:
+			case LogTypes::LWARNING:
+				log_(RETRO_LOG_WARN, "[%s] %s", message.log, message.msg.c_str());
+				return;
+
+			case LogTypes::LINFO:
+			default:
+				log_(RETRO_LOG_INFO, "[%s] %s", message.log, message.msg.c_str());
+				return;
+		}
+	}
+
+	private:
+	retro_log_printf_t log_;
+};
+static PrintfLogger *printfLogger;
+
+template <typename T> class RetroOption {
+	public:
+	RetroOption(const char *id, const char *name, std::initializer_list<std::pair<const char *, T>> list) : id_(id), name_(name), list_(list.begin(), list.end()) {}
+	RetroOption(const char *id, const char *name, std::initializer_list<const char *> list) : id_(id), name_(name)
+	{
+		for (auto option : list)
+			list_.push_back({ option, (T)list_.size() });
+	}
+	RetroOption(const char *id, const char *name, T first, std::initializer_list<const char *> list) : id_(id), name_(name)
+	{
+		for (auto option : list)
+			list_.push_back({ option, first + (int)list_.size() });
+	}
+	RetroOption(const char *id, const char *name, T first, int count, int step = 1) : id_(id), name_(name)
+	{
+		for (T i = first; i < first + count; i += step)
+			list_.push_back({ std::to_string(i), i });
+	}
+	RetroOption(const char *id, const char *name, bool initial) : id_(id), name_(name)
+	{
+		list_.push_back({ initial ? "enabled" : "disabled", initial });
+		list_.push_back({ !initial ? "enabled" : "disabled", !initial });
+	}
+	retro_variable GetOptions()
+	{
+		if (options_.empty())
+		{
+			options_ = name_;
+			options_.push_back(';');
+			for (auto &option : list_)
+			{
+				if (option.first == list_.begin()->first)
+					options_ += std::string(" ") + option.first;
+				else
+					options_ += std::string("|") + option.first;
+			}
+		}
+		return { id_, options_.c_str() };
+	}
+	bool Update(T *dest)
+	{
+		retro_variable var{ id_ };
+		T val = list_.front().second;
+
+		if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+		{
+			for (auto option : list_)
+			{
+				if (option.first == var.value)
+				{
+					val = option.second;
+					break;
+				}
+			}
+		}
+
+		if (*dest != val)
+		{
+			*dest = val;
+			return true;
+		}
+
+		return false;
+	}
+
+	private:
+	const char *id_;
+	const char *name_;
+	std::string options_;
+	std::vector<std::pair<std::string, T>> list_;
+};
+
+static RetroOption<CPUCore> ppsspp_cpu_core("ppsspp_cpu_core", "CPU Core", { { "jit", CPUCore::JIT }, { "IR jit", CPUCore::IR_JIT }, { "interpreter", CPUCore::INTERPRETER } });
+static RetroOption<int> ppsspp_locked_cpu_speed("ppsspp_locked_cpu_speed", "Locked CPU Speed", { { "off", 0 }, { "222MHz", 222 }, { "266MHz", 266 }, { "333MHz", 333 } });
+static RetroOption<int> ppsspp_language("ppsspp_language", "Language", { { "automatic", -1 }, { "english", PSP_SYSTEMPARAM_LANGUAGE_ENGLISH }, { "japanese", PSP_SYSTEMPARAM_LANGUAGE_JAPANESE }, { "french", PSP_SYSTEMPARAM_LANGUAGE_FRENCH }, { "spanish", PSP_SYSTEMPARAM_LANGUAGE_SPANISH }, { "german", PSP_SYSTEMPARAM_LANGUAGE_GERMAN }, { "italian", PSP_SYSTEMPARAM_LANGUAGE_ITALIAN }, { "dutch", PSP_SYSTEMPARAM_LANGUAGE_DUTCH }, { "portuguese", PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE }, { "russian", PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN }, { "korean", PSP_SYSTEMPARAM_LANGUAGE_KOREAN }, { "chinese_traditional", PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL }, { "chinese_simplified", PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED } });
+static RetroOption<int> ppsspp_rendering_mode("ppsspp_rendering_mode", "Rendering Mode", { { "buffered", FB_BUFFERED_MODE }, { "nonbuffered", FB_NON_BUFFERED_MODE } });
+static RetroOption<bool> ppsspp_true_color("ppsspp_true_color", "True Color Depth", true);
+static RetroOption<bool> ppsspp_auto_frameskip("ppsspp_auto_frameskip", "Auto Frameskip", false);
+static RetroOption<int> ppsspp_frameskip("ppsspp_frameskip", "Frameskip", 0, 10);
+static RetroOption<int> ppsspp_force_max_fps("ppsspp_force_max_fps", "Force Max FPS", { { "disabled", 0 }, { "enabled", 60 } });
+static RetroOption<int> ppsspp_audio_latency("ppsspp_audio_latency", "Audio latency", { "low", "medium", "high" });
+static RetroOption<int> ppsspp_internal_resolution("ppsspp_internal_resolution", "Internal Resolution", 1, { "480x272", "960x544", "1440x816", "1920x1088", "2400x1360", "2880x1632", "3360x1904", "3840x2176", "4320x2448", "4800x2720" });
+static RetroOption<int> ppsspp_button_preference("ppsspp_button_preference", "Confirmation Button", { { "cross", PSP_SYSTEMPARAM_BUTTON_CROSS }, { "circle", PSP_SYSTEMPARAM_BUTTON_CIRCLE } });
+static RetroOption<bool> ppsspp_fast_memory("ppsspp_fast_memory", "Fast Memory (Speedhack)", true);
+static RetroOption<bool> ppsspp_block_transfer_gpu("ppsspp_block_transfer_gpu", "Block Transfer GPU", true);
+static RetroOption<int> ppsspp_texture_scaling_level("ppsspp_texture_scaling_level", "Texture Scaling Level", { { "1", 1 }, { "2", 2 }, { "3", 3 }, { "4", 4 }, { "5", 5 }, { "0", 0 } });
+static RetroOption<int> ppsspp_texture_scaling_type("ppsspp_texture_scaling_type", "Texture Scaling Type", { { "xbrz", TextureScalerCommon::XBRZ }, { "hybrid", TextureScalerCommon::HYBRID }, { "bicubic", TextureScalerCommon::BICUBIC }, { "hybrid_bicubic", TextureScalerCommon::HYBRID_BICUBIC } });
+static RetroOption<int> ppsspp_texture_anisotropic_filtering("ppsspp_texture_anisotropic_filtering", "Anisotropic Filtering", { "off", "1x", "2x", "4x", "8x", "16x" });
+static RetroOption<bool> ppsspp_texture_deposterize("ppsspp_texture_deposterize", "Texture Deposterize", false);
+static RetroOption<bool> ppsspp_gpu_hardware_transform("ppsspp_gpu_hardware_transform", "GPU Hardware T&L", true);
+static RetroOption<bool> ppsspp_vertex_cache("ppsspp_vertex_cache", "Vertex Cache (Speedhack)", true);
+static RetroOption<bool> ppsspp_separate_io_thread("ppsspp_separate_io_thread", "IO Threading", false);
+static RetroOption<bool> ppsspp_unsafe_func_replacements("ppsspp_unsafe_func_replacements", "Unsafe FuncReplacements", true);
+static RetroOption<bool> ppsspp_sound_speedhack("ppsspp_sound_speedhack", "Sound Speedhack", false);
+static RetroOption<bool> ppsspp_cheats("ppsspp_cheats", "Internal Cheats Support", false);
+
+void retro_set_environment(retro_environment_t cb)
+{
+	std::vector<retro_variable> vars;
+	vars.push_back(ppsspp_cpu_core.GetOptions());
+	vars.push_back(ppsspp_locked_cpu_speed.GetOptions());
+	vars.push_back(ppsspp_language.GetOptions());
+	vars.push_back(ppsspp_rendering_mode.GetOptions());
+	vars.push_back(ppsspp_true_color.GetOptions());
+	vars.push_back(ppsspp_auto_frameskip.GetOptions());
+	vars.push_back(ppsspp_frameskip.GetOptions());
+	vars.push_back(ppsspp_force_max_fps.GetOptions());
+	vars.push_back(ppsspp_audio_latency.GetOptions());
+	vars.push_back(ppsspp_internal_resolution.GetOptions());
+	vars.push_back(ppsspp_button_preference.GetOptions());
+	vars.push_back(ppsspp_fast_memory.GetOptions());
+	vars.push_back(ppsspp_block_transfer_gpu.GetOptions());
+	vars.push_back(ppsspp_texture_scaling_level.GetOptions());
+	vars.push_back(ppsspp_texture_scaling_type.GetOptions());
+	vars.push_back(ppsspp_texture_anisotropic_filtering.GetOptions());
+	vars.push_back(ppsspp_texture_deposterize.GetOptions());
+	vars.push_back(ppsspp_gpu_hardware_transform.GetOptions());
+	vars.push_back(ppsspp_vertex_cache.GetOptions());
+	vars.push_back(ppsspp_separate_io_thread.GetOptions());
+	vars.push_back(ppsspp_unsafe_func_replacements.GetOptions());
+	vars.push_back(ppsspp_sound_speedhack.GetOptions());
+	vars.push_back(ppsspp_cheats.GetOptions());
+	vars.push_back({});
+
+	environ_cb = cb;
+
+	cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void *)vars.data());
+}
+
+static int get_language_auto(void)
+{
+	retro_language val = RETRO_LANGUAGE_ENGLISH;
+	environ_cb(RETRO_ENVIRONMENT_GET_LANGUAGE, &val);
+
+	switch (val)
+	{
+		default:
+		case RETRO_LANGUAGE_ENGLISH:
+			return PSP_SYSTEMPARAM_LANGUAGE_ENGLISH;
+		case RETRO_LANGUAGE_JAPANESE:
+			return PSP_SYSTEMPARAM_LANGUAGE_JAPANESE;
+		case RETRO_LANGUAGE_FRENCH:
+			return PSP_SYSTEMPARAM_LANGUAGE_FRENCH;
+		case RETRO_LANGUAGE_GERMAN:
+			return PSP_SYSTEMPARAM_LANGUAGE_GERMAN;
+		case RETRO_LANGUAGE_SPANISH:
+			return PSP_SYSTEMPARAM_LANGUAGE_SPANISH;
+		case RETRO_LANGUAGE_ITALIAN:
+			return PSP_SYSTEMPARAM_LANGUAGE_ITALIAN;
+		case RETRO_LANGUAGE_PORTUGUESE_BRAZIL:
+		case RETRO_LANGUAGE_PORTUGUESE_PORTUGAL:
+			return PSP_SYSTEMPARAM_LANGUAGE_PORTUGUESE;
+		case RETRO_LANGUAGE_RUSSIAN:
+			return PSP_SYSTEMPARAM_LANGUAGE_RUSSIAN;
+		case RETRO_LANGUAGE_DUTCH:
+			return PSP_SYSTEMPARAM_LANGUAGE_DUTCH;
+		case RETRO_LANGUAGE_KOREAN:
+			return PSP_SYSTEMPARAM_LANGUAGE_KOREAN;
+		case RETRO_LANGUAGE_CHINESE_TRADITIONAL:
+			return PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL;
+		case RETRO_LANGUAGE_CHINESE_SIMPLIFIED:
+			return PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED;
+	}
+}
+
+static void check_variables(CoreParameter &coreParam)
+{
+	bool updated = false;
+
+	if (coreState != CORE_POWERUP && environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && !updated)
+		return;
+
+	ppsspp_button_preference.Update(&g_Config.iButtonPreference);
+	ppsspp_fast_memory.Update(&g_Config.bFastMemory);
+	ppsspp_vertex_cache.Update(&g_Config.bVertexCache);
+	ppsspp_gpu_hardware_transform.Update(&g_Config.bHardwareTransform);
+	ppsspp_frameskip.Update(&g_Config.iFrameSkip);
+	ppsspp_audio_latency.Update(&g_Config.iAudioLatency);
+	ppsspp_true_color.Update(&g_Config.bTrueColor);
+	ppsspp_auto_frameskip.Update(&g_Config.bAutoFrameSkip);
+	ppsspp_block_transfer_gpu.Update(&g_Config.bBlockTransferGPU);
+	ppsspp_texture_anisotropic_filtering.Update(&g_Config.iAnisotropyLevel);
+	ppsspp_texture_deposterize.Update(&g_Config.bTexDeposterize);
+	ppsspp_separate_io_thread.Update(&g_Config.bSeparateIOThread);
+	ppsspp_unsafe_func_replacements.Update(&g_Config.bFuncReplacements);
+	ppsspp_sound_speedhack.Update(&g_Config.bSoundSpeedHack);
+	ppsspp_cheats.Update(&g_Config.bEnableCheats);
+	ppsspp_locked_cpu_speed.Update(&g_Config.iLockedCPUSpeed);
+	ppsspp_rendering_mode.Update(&g_Config.iRenderingMode);
+	ppsspp_force_max_fps.Update(&g_Config.iForceMaxEmulatedFPS);
+	ppsspp_cpu_core.Update((CPUCore *)&g_Config.iCpuCore);
+
+	ppsspp_language.Update(&g_Config.iLanguage);
+	if (g_Config.iLanguage < 0)
+		g_Config.iLanguage = get_language_auto();
+
+	if (ppsspp_internal_resolution.Update(&g_Config.iInternalResolution))
+	{
+		coreParam.pixelWidth = coreParam.renderWidth = g_Config.iInternalResolution * 480;
+		coreParam.pixelHeight = coreParam.renderHeight = g_Config.iInternalResolution * 272;
+		if (gpu)
+		{
+			retro_system_av_info av_info;
+			retro_get_system_av_info(&av_info);
+			environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &av_info);
+			gpu->Resized();
+		}
+	}
+
+	if (ppsspp_texture_scaling_type.Update(&g_Config.iTexScalingType) && gpu)
+		gpu->ClearCacheNextFrame();
+
+	if (ppsspp_texture_scaling_level.Update(&g_Config.iTexScalingLevel) && gpu)
+		gpu->ClearCacheNextFrame();
+}
+
+void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
+void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
+void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
+void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
+
+void retro_init(void)
+{
+#if 0
+   g_Config.Load("");
+#endif
+
+	g_Config.bEnableLogging = true;
+	g_Config.bFrameSkipUnthrottle = false;
+	g_Config.bMemStickInserted = PSP_MEMORYSTICK_STATE_INSERTED;
+	g_Config.iGlobalVolume = VOLUME_MAX - 1;
+	g_Config.bEnableSound = true;
+	g_Config.bAudioResampler = false;
+	g_Config.iCwCheatRefreshRate = 60;
+
+	LogManager::Init();
+
+	host = new LibretroHost;
+
+	struct retro_log_callback log;
+	if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log))
+	{
+		printfLogger = new PrintfLogger(log);
+		LogManager *logman = LogManager::GetInstance();
+		logman->RemoveListener(logman->GetConsoleListener());
+		logman->RemoveListener(logman->GetDebuggerListener());
+		logman->ChangeFileLog(nullptr);
+		logman->AddListener(printfLogger);
+#if 1
+		logman->SetAllLogLevels(LogTypes::LINFO);
+#endif
+	}
+}
+
+void retro_deinit(void)
+{
+	LogManager::Shutdown();
+
+	delete printfLogger;
+	printfLogger = nullptr;
+
+	delete host;
+	host = nullptr;
+}
+
+void retro_set_controller_port_device(unsigned port, unsigned device)
+{
+	(void)port;
+	(void)device;
+}
+
+void retro_get_system_info(struct retro_system_info *info)
+{
+	*info = {};
+	info->library_name = "PPSSPP";
+	info->library_version = PPSSPP_GIT_VERSION;
+	info->need_fullpath = true;
+	info->valid_extensions = "elf|iso|cso|prx|pbp";
+}
+
+void retro_get_system_av_info(struct retro_system_av_info *info)
+{
+	*info = {};
+	info->timing.fps = 60.0f / 1.001f;
+	info->timing.sample_rate = SAMPLERATE;
+
+	info->geometry.base_width = g_Config.iInternalResolution * 480;
+	info->geometry.base_height = g_Config.iInternalResolution * 272;
+	info->geometry.max_width = g_Config.iInternalResolution * 480;
+	info->geometry.max_height = g_Config.iInternalResolution * 272;
+	info->geometry.aspect_ratio = 16.0 / 9.0;
+}
+
+unsigned retro_api_version(void) { return RETRO_API_VERSION; }
+namespace Libretro {
+
+bool useEmuThread = false;
+std::atomic<EmuThreadState> emuThreadState(EmuThreadState::DISABLED);
+
+static std::thread emuThread;
+static void EmuFrame()
+{
+	ctx->SetRenderTarget();
+	if (ctx->GetDrawContext())
+		ctx->GetDrawContext()->BeginFrame();
+
+	gpu->BeginHostFrame();
+
+	coreState = CORE_RUNNING;
+	PSP_RunLoopUntil(UINT64_MAX);
+
+	gpu->EndHostFrame();
+
+	if (ctx->GetDrawContext())
+		ctx->GetDrawContext()->EndFrame();
+}
+
+static void EmuThreadFunc()
+{
+	setCurrentThreadName("Emu");
+
+	while (true)
+	{
+		switch ((EmuThreadState)emuThreadState)
+		{
+			case EmuThreadState::START_REQUESTED:
+				emuThreadState = EmuThreadState::RUNNING;
+				/* fallthrough */
+			case EmuThreadState::RUNNING:
+				EmuFrame();
+				break;
+			case EmuThreadState::PAUSE_REQUESTED:
+				emuThreadState = EmuThreadState::PAUSED;
+				/* fallthrough */
+			case EmuThreadState::PAUSED:
+				sleep_ms(1);
+				break;
+			default:
+			case EmuThreadState::QUIT_REQUESTED:
+				emuThreadState = EmuThreadState::STOPPED;
+				ctx->StopThread();
+				return;
+		}
+	}
+}
+
+void EmuThreadStart()
+{
+	bool wasPaused = emuThreadState == EmuThreadState::PAUSED;
+	emuThreadState = EmuThreadState::START_REQUESTED;
+
+	if (!wasPaused)
+	{
+		ctx->ThreadStart();
+		emuThread = std::thread(&EmuThreadFunc);
+	}
+}
+
+void EmuThreadStop()
+{
+	if (emuThreadState != EmuThreadState::RUNNING)
+		return;
+
+	emuThreadState = EmuThreadState::QUIT_REQUESTED;
+
+	while (ctx->ThreadFrame())
+	{
+		// Need to keep eating frames to allow the EmuThread to exit correctly.
+		continue;
+	}
+	emuThread.join();
+	emuThread = std::thread();
+	ctx->ThreadEnd();
+}
+
+void EmuThreadPause()
+{
+	if (emuThreadState != EmuThreadState::RUNNING)
+		return;
+	emuThreadState = EmuThreadState::PAUSE_REQUESTED;
+	ctx->ThreadFrame();
+	while (emuThreadState != EmuThreadState::PAUSED)
+		sleep_ms(1);
+}
+
+}   // namespace Libretro
+
+bool retro_load_game(const struct retro_game_info *game)
+{
+	struct retro_input_descriptor desc[] = {
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "Cross" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "Circle" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Triangle" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "Square" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
+		{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
+		{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X, "Analog X" },
+		{ 0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y, "Analog Y" },
+		{ 0 },
+	};
+	environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
+
+	enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888;
+	if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
+	{
+		ERROR_LOG(SYSTEM, "XRGB8888 is not supported.\n");
+		return false;
+	}
+
+	const char *nickname = NULL;
+	if (environ_cb(RETRO_ENVIRONMENT_GET_USERNAME, &nickname) && nickname)
+		g_Config.sNickName = std::string(nickname);
+
+	const char *dir_ptr = NULL;
+	static std::string retro_base_dir;
+	static std::string retro_save_dir;
+
+	if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir_ptr) && dir_ptr)
+	{
+		retro_base_dir = dir_ptr;
+		// Make sure that we don't have any lingering slashes, etc, as they break Windows.
+		size_t last = retro_base_dir.find_last_not_of(DIR_SEP_CHRS);
+		if (last != std::string::npos)
+			last++;
+
+		retro_base_dir = retro_base_dir.substr(0, last) + DIR_SEP;
+	}
+
+	if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir_ptr) && dir_ptr)
+	{
+		retro_save_dir = dir_ptr;
+		// Make sure that we don't have any lingering slashes, etc, as they break Windows.
+		size_t last = retro_save_dir.find_last_not_of(DIR_SEP_CHRS);
+		if (last != std::string::npos)
+			last++;
+
+		retro_save_dir = retro_save_dir.substr(0, last) + DIR_SEP;
+	}
+
+	if (retro_base_dir.empty())
+		retro_base_dir = File::GetDir(game->path);
+
+	retro_base_dir += "PPSSPP" DIR_SEP;
+
+	if (retro_save_dir.empty())
+		retro_save_dir = File::GetDir(game->path);
+
+	g_Config.currentDirectory = retro_base_dir;
+	g_Config.externalDirectory = retro_base_dir;
+	g_Config.memStickDirectory = retro_save_dir;
+	g_Config.flash0Directory = retro_base_dir + "flash0" DIR_SEP;
+	g_Config.internalDataDirectory = retro_base_dir;
+
+	VFSRegister("", new DirectoryAssetReader(retro_base_dir.c_str()));
+
+	coreState = CORE_POWERUP;
+	ctx = LibretroGraphicsContext::CreateGraphicsContext();
+	INFO_LOG(SYSTEM, "Using %s backend", ctx->Ident());
+
+	Core_SetGraphicsContext(ctx);
+	SetGPUBackend((GPUBackend)g_Config.iGPUBackend);
+
+	useEmuThread = ctx->GetGPUCore() == GPUCORE_GLES;
+
+	CoreParameter coreParam = {};
+	coreParam.enableSound = true;
+	coreParam.fileToStart = std::string(game->path);
+	coreParam.mountIso = "";
+	coreParam.startPaused = false;
+	coreParam.printfEmuLog = true;
+	coreParam.headLess = true;
+	coreParam.unthrottle = true;
+	coreParam.graphicsContext = ctx;
+	coreParam.gpuCore = ctx->GetGPUCore();
+	coreParam.cpuCore = CPUCore::JIT;
+	check_variables(coreParam);
+
+#if 0
+   g_Config.bVertexDecoderJit = (coreParam.cpuCore == CPU_JIT) ? true : false;
+#endif
+
+	std::string error_string;
+	if (!PSP_InitStart(coreParam, &error_string))
+	{
+		ERROR_LOG(BOOT, "%s", error_string.c_str());
+		return false;
+	}
+
+	return true;
+}
+
+void retro_unload_game(void)
+{
+	if (Libretro::useEmuThread)
+		Libretro::EmuThreadStop();
+
+	PSP_Shutdown();
+	VFSShutdown();
+
+	delete ctx;
+	ctx = nullptr;
+	PSP_CoreParameter().graphicsContext = nullptr;
+}
+
+void retro_reset(void)
+{
+	std::string error_string;
+
+	PSP_Shutdown();
+
+#if 0
+   coreState = CORE_POWERUP;
+   if(!PSP_InitStart(PSP_CoreParameter(), &error_string))
+   {
+      ERROR_LOG(BOOT, "%s", error_string.c_str());
+  		environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, nullptr);
+   }
+#else
+	if (!PSP_Init(PSP_CoreParameter(), &error_string))
+	{
+		ERROR_LOG(BOOT, "%s", error_string.c_str());
+		environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, nullptr);
+	}
+#endif
+}
+
+static void retro_input(void)
+{
+	// clang-format off
+	static struct
+	{
+		u32 retro;
+		u32 sceCtrl;
+	} map[] = {
+		{ RETRO_DEVICE_ID_JOYPAD_UP,     CTRL_UP },
+      { RETRO_DEVICE_ID_JOYPAD_DOWN,   CTRL_DOWN },
+      { RETRO_DEVICE_ID_JOYPAD_LEFT,   CTRL_LEFT },
+      { RETRO_DEVICE_ID_JOYPAD_RIGHT,  CTRL_RIGHT },
+      { RETRO_DEVICE_ID_JOYPAD_X,      CTRL_TRIANGLE },
+      { RETRO_DEVICE_ID_JOYPAD_A,      CTRL_CIRCLE },
+      { RETRO_DEVICE_ID_JOYPAD_B,      CTRL_CROSS },
+      { RETRO_DEVICE_ID_JOYPAD_Y,      CTRL_SQUARE },
+      { RETRO_DEVICE_ID_JOYPAD_L,      CTRL_LTRIGGER },
+      { RETRO_DEVICE_ID_JOYPAD_R,      CTRL_RTRIGGER },
+      { RETRO_DEVICE_ID_JOYPAD_START,  CTRL_START },
+      { RETRO_DEVICE_ID_JOYPAD_SELECT, CTRL_SELECT },
+	};
+	// clang-format on
+
+	input_poll_cb();
+
+	for (int i = 0; i < sizeof(map) / sizeof(*map); i++)
+	{
+		if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, map[i].retro))
+			__CtrlButtonDown(map[i].sceCtrl);
+		else
+			__CtrlButtonUp(map[i].sceCtrl);
+	}
+
+	__CtrlSetAnalogX(input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 32768.0f);
+	__CtrlSetAnalogY(input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / -32768.0f);
+}
+
+void retro_run(void)
+{
+	if (PSP_IsIniting())
+	{
+		std::string error_string;
+#if 0
+      if(!PSP_InitUpdate(&error_string))
+		{
+         graphics_context->SwapBuffers();
+         return;
+		}
+#else
+		while (!PSP_InitUpdate(&error_string))
+			sleep_ms(4);
+#endif
+
+		if (!PSP_IsInited())
+		{
+			ERROR_LOG(BOOT, "%s", error_string.c_str());
+			environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, nullptr);
+			return;
+		}
+	}
+
+	check_variables(PSP_CoreParameter());
+
+	retro_input();
+
+	if (useEmuThread)
+	{
+		if (emuThreadState != EmuThreadState::RUNNING)
+			EmuThreadStart();
+
+		if (!ctx->ThreadFrame())
+			return;
+	}
+	else
+		EmuFrame();
+
+	ctx->SwapBuffers();
+}
+
+unsigned retro_get_region(void) { return RETRO_REGION_NTSC; }
+
+bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
+{
+	(void)type;
+	(void)info;
+	(void)num;
+	return false;
+}
+
+namespace SaveState {
+struct SaveStart
+{
+	void DoState(PointerWrap &p);
+};
+}   // namespace SaveState
+
+size_t retro_serialize_size(void)
+{
+	SaveState::SaveStart state;
+	return (CChunkFileReader::MeasurePtr(state) + 0x800000) & ~0x7FFFFF;
+}
+
+bool retro_serialize(void *data, size_t size)
+{
+	SaveState::SaveStart state;
+	assert(CChunkFileReader::MeasurePtr(state) <= size);
+	return CChunkFileReader::SavePtr((u8 *)data, state) == CChunkFileReader::ERROR_NONE;
+}
+
+bool retro_unserialize(const void *data, size_t size)
+{
+	SaveState::SaveStart state;
+	return CChunkFileReader::LoadPtr((u8 *)data, state) == CChunkFileReader::ERROR_NONE;
+}
+
+void *retro_get_memory_data(unsigned id)
+{
+	(void)id;
+	return NULL;
+}
+
+size_t retro_get_memory_size(unsigned id)
+{
+	(void)id;
+	return 0;
+}
+
+void retro_cheat_reset(void) {}
+
+void retro_cheat_set(unsigned index, bool enabled, const char *code)
+{
+	(void)index;
+	(void)enabled;
+	(void)code;
+}
+
+int System_GetPropertyInt(SystemProperty prop)
+{
+	switch (prop)
+	{
+		case SYSPROP_AUDIO_SAMPLE_RATE:
+			return SAMPLERATE;
+		case SYSPROP_DISPLAY_REFRESH_RATE:
+			return 60000;
+		default:
+			return -1;
+	}
+}
+
+std::string System_GetProperty(SystemProperty prop) { return ""; }
+void System_SendMessage(const char *command, const char *parameter) {}
+void NativeUpdate() {}
+void NativeRender(GraphicsContext *graphicsContext) {}
+void NativeResized() {}
+bool System_InputBoxGetWString(const wchar_t *title, const std::wstring &defaultvalue, std::wstring &outvalue) { return false; }
--- a/libretro/libretro.def
+++ b/libretro/libretro.def
@ -0,0 +1,27 @@
+LIBRARY "libretro"
+EXPORTS
+retro_set_environment
+retro_set_video_refresh
+retro_set_audio_sample
+retro_set_audio_sample_batch
+retro_set_input_poll
+retro_set_input_state
+retro_init
+retro_deinit
+retro_api_version
+retro_get_system_info
+retro_get_system_av_info
+retro_set_controller_port_device
+retro_reset
+retro_run
+retro_serialize_size
+retro_serialize
+retro_unserialize
+retro_cheat_reset
+retro_cheat_set
+retro_load_game
+retro_load_game_special
+retro_unload_game
+retro_get_region
+retro_get_memory_data
+retro_get_memory_size
--- a/libretro/libretro.h
+++ b/libretro/libretro.h
--- a/libretro/libretro_vulkan.cpp
+++ b/libretro/libretro_vulkan.cpp
@ -0,0 +1,450 @@
+
+#include <cstring>
+#include <cassert>
+#include <vector>
+#include <mutex>
+#include <condition_variable>
+
+#define VK_NO_PROTOTYPES
+#include "libretro/libretro_vulkan.h"
+
+static retro_hw_render_interface_vulkan *vulkan;
+
+static struct
+{
+	VkInstance instance;
+	VkPhysicalDevice gpu;
+	VkSurfaceKHR surface;
+	PFN_vkGetInstanceProcAddr get_instance_proc_addr;
+	const char **required_device_extensions;
+	unsigned num_required_device_extensions;
+	const char **required_device_layers;
+	unsigned num_required_device_layers;
+	const VkPhysicalDeviceFeatures *required_features;
+} vk_init_info;
+static bool DEDICATED_ALLOCATION;
+
+extern PFN_vkCreateInstance vkCreateInstance;
+extern PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties;
+extern PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements;
+extern PFN_vkAllocateMemory vkAllocateMemory;
+extern PFN_vkBindImageMemory vkBindImageMemory;
+extern PFN_vkCreateImage vkCreateImage;
+extern PFN_vkDestroyImage vkDestroyImage;
+extern PFN_vkCreateImageView vkCreateImageView;
+extern PFN_vkDestroyImageView vkDestroyImageView;
+extern PFN_vkFreeMemory vkFreeMemory;
+
+#define VULKAN_MAX_SWAPCHAIN_IMAGES 8
+struct VkSwapchainKHR_T
+{
+	uint32_t count;
+	struct
+	{
+		VkImage handle;
+		VkDeviceMemory memory;
+		retro_vulkan_image retro_image;
+	} images[VULKAN_MAX_SWAPCHAIN_IMAGES];
+	std::mutex mutex;
+	std::condition_variable condVar;
+	int current_index;
+};
+static VkSwapchainKHR_T chain;
+
+#define LIBRETRO_VK_WARP_LIST() \
+	LIBRETRO_VK_WARP_FUNC(vkDestroyInstance); \
+	LIBRETRO_VK_WARP_FUNC(vkCreateDevice); \
+	LIBRETRO_VK_WARP_FUNC(vkDestroyDevice); \
+	LIBRETRO_VK_WARP_FUNC(vkGetPhysicalDeviceSurfaceCapabilitiesKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkDestroySurfaceKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkCreateSwapchainKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkGetSwapchainImagesKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkAcquireNextImageKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkQueuePresentKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkDestroySwapchainKHR); \
+	LIBRETRO_VK_WARP_FUNC(vkQueueSubmit); \
+	LIBRETRO_VK_WARP_FUNC(vkQueueWaitIdle); \
+	LIBRETRO_VK_WARP_FUNC(vkCmdPipelineBarrier); \
+	LIBRETRO_VK_WARP_FUNC(vkCreateRenderPass)
+
+#define LIBRETRO_VK_WARP_FUNC(x) \
+	extern PFN_##x x; \
+	PFN_##x x##_org
+
+LIBRETRO_VK_WARP_FUNC(vkGetInstanceProcAddr);
+LIBRETRO_VK_WARP_FUNC(vkGetDeviceProcAddr);
+LIBRETRO_VK_WARP_LIST();
+
+static VKAPI_ATTR VkResult VKAPI_CALL vkCreateInstance_libretro(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkInstance *pInstance)
+{
+	*pInstance = vk_init_info.instance;
+	return VK_SUCCESS;
+}
+
+static void add_name_unique(std::vector<const char *> &list, const char *value)
+{
+	for (const char *name : list)
+		if (!strcmp(value, name))
+			return;
+
+	list.push_back(value);
+}
+static VKAPI_ATTR VkResult VKAPI_CALL vkCreateDevice_libretro(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkDevice *pDevice)
+{
+	VkDeviceCreateInfo info = *pCreateInfo;
+	std::vector<const char *> EnabledLayerNames(info.ppEnabledLayerNames, info.ppEnabledLayerNames + info.enabledLayerCount);
+	std::vector<const char *> EnabledExtensionNames(info.ppEnabledExtensionNames, info.ppEnabledExtensionNames + info.enabledExtensionCount);
+	VkPhysicalDeviceFeatures EnabledFeatures = *info.pEnabledFeatures;
+
+	for (int i = 0; i < vk_init_info.num_required_device_layers; i++)
+		add_name_unique(EnabledLayerNames, vk_init_info.required_device_layers[i]);
+
+	for (int i = 0; i < vk_init_info.num_required_device_extensions; i++)
+		add_name_unique(EnabledExtensionNames, vk_init_info.required_device_extensions[i]);
+
+	add_name_unique(EnabledExtensionNames, VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_EXTENSION_NAME);
+	for (int i = 0; i < sizeof(VkPhysicalDeviceFeatures) / sizeof(VkBool32); i++)
+	{
+		if (((VkBool32 *)vk_init_info.required_features)[i])
+			((VkBool32 *)&EnabledFeatures)[i] = VK_TRUE;
+	}
+
+	static bool DEDICATED_ALLOCATION;
+	for (auto extension_name : EnabledExtensionNames)
+	{
+		if (!strcmp(extension_name, VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME))
+			DEDICATED_ALLOCATION = true;
+	}
+
+	info.enabledLayerCount = (uint32_t)EnabledLayerNames.size();
+	info.ppEnabledLayerNames = info.enabledLayerCount ? EnabledLayerNames.data() : nullptr;
+	info.enabledExtensionCount = (uint32_t)EnabledExtensionNames.size();
+	info.ppEnabledExtensionNames = info.enabledExtensionCount ? EnabledExtensionNames.data() : nullptr;
+	info.pEnabledFeatures = &EnabledFeatures;
+
+	return vkCreateDevice_org(physicalDevice, &info, pAllocator, pDevice);
+}
+
+static VKAPI_ATTR VkResult VKAPI_CALL vkCreateLibretroSurfaceKHR(VkInstance instance, const void *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSurfaceKHR *pSurface)
+{
+	*pSurface = vk_init_info.surface;
+	return VK_SUCCESS;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL vkGetPhysicalDeviceSurfaceCapabilitiesKHR_libretro(VkPhysicalDevice physicalDevice, VkSurfaceKHR surface, VkSurfaceCapabilitiesKHR *pSurfaceCapabilities)
+{
+	VkResult res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR_org(physicalDevice, surface, pSurfaceCapabilities);
+	if (res == VK_SUCCESS)
+	{
+		pSurfaceCapabilities->currentExtent.width = -1;
+		pSurfaceCapabilities->currentExtent.height = -1;
+	}
+	return res;
+}
+
+static bool MemoryTypeFromProperties(uint32_t typeBits, VkFlags requirements_mask, uint32_t *typeIndex)
+{
+	VkPhysicalDeviceMemoryProperties memory_properties;
+	vkGetPhysicalDeviceMemoryProperties(vulkan->gpu, &memory_properties);
+	// Search memtypes to find first index with those properties
+	for (uint32_t i = 0; i < 32; i++)
+	{
+		if ((typeBits & 1) == 1)
+		{
+			// Type is available, does it match user properties?
+			if ((memory_properties.memoryTypes[i].propertyFlags & requirements_mask) == requirements_mask)
+			{
+				*typeIndex = i;
+				return true;
+			}
+		}
+		typeBits >>= 1;
+	}
+	// No memory types matched, return failure
+	return false;
+}
+
+static VKAPI_ATTR VkResult VKAPI_CALL vkCreateSwapchainKHR_libretro(VkDevice device, const VkSwapchainCreateInfoKHR *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkSwapchainKHR *pSwapchain)
+{
+	uint32_t swapchain_mask = vulkan->get_sync_index_mask(vulkan->handle);
+
+	chain.count = 0;
+	while (swapchain_mask)
+	{
+		chain.count++;
+		swapchain_mask >>= 1;
+	}
+	assert(chain.count <= VULKAN_MAX_SWAPCHAIN_IMAGES);
+
+	for (uint32_t i = 0; i < chain.count; i++)
+	{
+		{
+			VkImageCreateInfo info{ VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };
+			info.flags = VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
+			info.imageType = VK_IMAGE_TYPE_2D;
+			info.format = pCreateInfo->imageFormat;
+			info.extent.width = pCreateInfo->imageExtent.width;
+			info.extent.height = pCreateInfo->imageExtent.height;
+			info.extent.depth = 1;
+			info.mipLevels = 1;
+			info.arrayLayers = 1;
+			info.samples = VK_SAMPLE_COUNT_1_BIT;
+			info.tiling = VK_IMAGE_TILING_OPTIMAL;
+			info.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+			info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+
+			vkCreateImage(device, &info, pAllocator, &chain.images[i].handle);
+		}
+
+		VkMemoryRequirements memreq;
+		vkGetImageMemoryRequirements(device, chain.images[i].handle, &memreq);
+
+		VkMemoryAllocateInfo alloc{ VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO };
+		alloc.allocationSize = memreq.size;
+
+		VkMemoryDedicatedAllocateInfoKHR dedicated{ VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR };
+		if (DEDICATED_ALLOCATION)
+		{
+			alloc.pNext = &dedicated;
+			dedicated.image = chain.images[i].handle;
+		}
+
+		MemoryTypeFromProperties(memreq.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &alloc.memoryTypeIndex);
+		VkResult res = vkAllocateMemory(device, &alloc, pAllocator, &chain.images[i].memory);
+		assert(res == VK_SUCCESS);
+		res = vkBindImageMemory(device, chain.images[i].handle, chain.images[i].memory, 0);
+		assert(res == VK_SUCCESS);
+
+		chain.images[i].retro_image.create_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+		chain.images[i].retro_image.create_info.image = chain.images[i].handle;
+		chain.images[i].retro_image.create_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
+		chain.images[i].retro_image.create_info.format = pCreateInfo->imageFormat;
+		chain.images[i].retro_image.create_info.components = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A };
+		chain.images[i].retro_image.create_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+		chain.images[i].retro_image.create_info.subresourceRange.layerCount = 1;
+		chain.images[i].retro_image.create_info.subresourceRange.levelCount = 1;
+		res = vkCreateImageView(device, &chain.images[i].retro_image.create_info, pAllocator, &chain.images[i].retro_image.image_view);
+		assert(res == VK_SUCCESS);
+
+		chain.images[i].retro_image.image_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+	}
+
+	chain.current_index = -1;
+	*pSwapchain = (VkSwapchainKHR)&chain;
+
+	return VK_SUCCESS;
+}
+static VKAPI_ATTR VkResult VKAPI_CALL vkGetSwapchainImagesKHR_libretro(VkDevice device, VkSwapchainKHR swapchain_, uint32_t *pSwapchainImageCount, VkImage *pSwapchainImages)
+{
+	VkSwapchainKHR_T *swapchain = (VkSwapchainKHR_T *)swapchain_;
+	if (pSwapchainImages)
+	{
+		assert(*pSwapchainImageCount <= swapchain->count);
+		for (int i = 0; i < *pSwapchainImageCount; i++)
+			pSwapchainImages[i] = swapchain->images[i].handle;
+	}
+	else
+		*pSwapchainImageCount = swapchain->count;
+
+	return VK_SUCCESS;
+}
+
+static VKAPI_ATTR VkResult VKAPI_CALL vkAcquireNextImageKHR_libretro(VkDevice device, VkSwapchainKHR swapchain, uint64_t timeout, VkSemaphore semaphore, VkFence fence, uint32_t *pImageIndex)
+{
+	vulkan->wait_sync_index(vulkan->handle);
+	*pImageIndex = vulkan->get_sync_index(vulkan->handle);
+#if 0
+	vulkan->set_signal_semaphore(vulkan->handle, semaphore);
+#endif
+	return VK_SUCCESS;
+}
+
+static VKAPI_ATTR VkResult VKAPI_CALL vkQueuePresentKHR_libretro(VkQueue queue, const VkPresentInfoKHR *pPresentInfo)
+{
+	VkSwapchainKHR_T *swapchain = (VkSwapchainKHR_T *)pPresentInfo->pSwapchains[0];
+	std::unique_lock<std::mutex> lock(swapchain->mutex);
+#if 0
+	if(chain.current_index >= 0)
+		chain.condVar.wait(lock);
+#endif
+
+	chain.current_index = pPresentInfo->pImageIndices[0];
+#if 0
+	vulkan->set_image(vulkan->handle, &swapchain->images[pPresentInfo->pImageIndices[0]].retro_image, pPresentInfo->waitSemaphoreCount, pPresentInfo->pWaitSemaphores, vulkan->queue_index);
+#else
+	vulkan->set_image(vulkan->handle, &swapchain->images[pPresentInfo->pImageIndices[0]].retro_image, 0, nullptr, vulkan->queue_index);
+#endif
+	swapchain->condVar.notify_all();
+
+	return VK_SUCCESS;
+}
+
+void vk_libretro_wait_for_presentation()
+{
+	std::unique_lock<std::mutex> lock(chain.mutex);
+	if (chain.current_index < 0)
+		chain.condVar.wait(lock);
+#if 0
+	chain.current_index = -1;
+	chain.condVar.notify_all();
+#endif
+}
+
+static VKAPI_ATTR void VKAPI_CALL vkDestroyInstance_libretro(VkInstance instance, const VkAllocationCallbacks *pAllocator) {}
+static VKAPI_ATTR void VKAPI_CALL vkDestroyDevice_libretro(VkDevice device, const VkAllocationCallbacks *pAllocator) {}
+static VKAPI_ATTR void VKAPI_CALL vkDestroySurfaceKHR_libretro(VkInstance instance, VkSurfaceKHR surface, const VkAllocationCallbacks *pAllocator) {}
+static VKAPI_ATTR void VKAPI_CALL vkDestroySwapchainKHR_libretro(VkDevice device, VkSwapchainKHR swapchain, const VkAllocationCallbacks *pAllocator)
+{
+	for (int i = 0; i < chain.count; i++)
+	{
+		vkDestroyImage(device, chain.images[i].handle, pAllocator);
+		vkDestroyImageView(device, chain.images[i].retro_image.image_view, pAllocator);
+		vkFreeMemory(device, chain.images[i].memory, pAllocator);
+	}
+
+	memset(&chain.images, 0x00, sizeof(chain.images));
+	chain.count = 0;
+	chain.current_index = -1;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL vkQueueSubmit_libretro(VkQueue queue, uint32_t submitCount, const VkSubmitInfo *pSubmits, VkFence fence)
+{
+	VkResult res = VK_SUCCESS;
+
+#if 0
+	for(int i = 0; i < submitCount; i++)
+		vulkan->set_command_buffers(vulkan->handle, pSubmits[i].commandBufferCount, pSubmits[i].pCommandBuffers);
+#else
+#if 1
+	for (int i = 0; i < submitCount; i++)
+	{
+		((VkSubmitInfo *)pSubmits)[i].waitSemaphoreCount = 0;
+		((VkSubmitInfo *)pSubmits)[i].pWaitSemaphores = nullptr;
+		((VkSubmitInfo *)pSubmits)[i].signalSemaphoreCount = 0;
+		((VkSubmitInfo *)pSubmits)[i].pSignalSemaphores = nullptr;
+	}
+#endif
+	vulkan->lock_queue(vulkan->handle);
+	res = vkQueueSubmit_org(queue, submitCount, pSubmits, fence);
+	vulkan->unlock_queue(vulkan->handle);
+#endif
+
+	return res;
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL vkQueueWaitIdle_libretro(VkQueue queue)
+{
+	vulkan->lock_queue(vulkan->handle);
+	VkResult res = vkQueueWaitIdle_org(queue);
+	vulkan->unlock_queue(vulkan->handle);
+	return res;
+}
+
+VKAPI_ATTR void VKAPI_CALL vkCmdPipelineBarrier_libretro(VkCommandBuffer commandBuffer, VkPipelineStageFlags srcStageMask, VkPipelineStageFlags dstStageMask, VkDependencyFlags dependencyFlags, uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers, uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier *pBufferMemoryBarriers, uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier *pImageMemoryBarriers)
+{
+	VkImageMemoryBarrier *barriers = (VkImageMemoryBarrier *)pImageMemoryBarriers;
+	for (int i = 0; i < imageMemoryBarrierCount; i++)
+	{
+		if (pImageMemoryBarriers[i].oldLayout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR)
+		{
+			barriers[i].oldLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+			barriers[i].srcAccessMask = VK_ACCESS_SHADER_READ_BIT;
+		}
+		if (pImageMemoryBarriers[i].newLayout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR)
+		{
+			barriers[i].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+			barriers[i].dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
+		}
+	}
+	return vkCmdPipelineBarrier_org(commandBuffer, srcStageMask, dstStageMask, dependencyFlags, memoryBarrierCount, pMemoryBarriers, bufferMemoryBarrierCount, pBufferMemoryBarriers, imageMemoryBarrierCount, barriers);
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL vkCreateRenderPass_libretro(VkDevice device, const VkRenderPassCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkRenderPass *pRenderPass)
+{
+	if (pCreateInfo->pAttachments[0].finalLayout == VK_IMAGE_LAYOUT_PRESENT_SRC_KHR)
+		((VkAttachmentDescription *)pCreateInfo->pAttachments)[0].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+
+	return vkCreateRenderPass_org(device, pCreateInfo, pAllocator, pRenderPass);
+}
+
+#undef LIBRETRO_VK_WARP_FUNC
+#define LIBRETRO_VK_WARP_FUNC(x) \
+	do \
+	{ \
+		if (!strcmp(pName, #x)) \
+		{ \
+			x##_org = (PFN_##x)fptr; \
+			return (PFN_vkVoidFunction)x##_libretro; \
+		} \
+	} while (0)
+
+VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr_libretro(VkInstance instance, const char *pName)
+{
+	if (false
+#ifdef _WIN32
+		 || !strcmp(pName, "vkCreateWin32SurfaceKHR")
+#endif
+#ifdef __ANDROID__
+		 || !strcmp(pName, "vkCreateAndroidSurfaceKHR")
+#endif
+#ifdef VK_USE_PLATFORM_XLIB_KHR
+		 || !strcmp(pName, "vkCreateXlibSurfaceKHR")
+#endif
+#ifdef VK_USE_PLATFORM_XCB_KHR
+		 || !strcmp(pName, "vkCreateXcbSurfaceKHR")
+#endif
+#ifdef VK_USE_PLATFORM_WAYLAND_KHR
+		 || !strcmp(pName, "vkCreateWaylandSurfaceKHR")
+#endif
+	)
+	{
+		return (PFN_vkVoidFunction)vkCreateLibretroSurfaceKHR;
+	}
+
+	PFN_vkVoidFunction fptr = vkGetInstanceProcAddr_org(instance, pName);
+	if (!fptr)
+		return fptr;
+
+	LIBRETRO_VK_WARP_LIST();
+
+	return fptr;
+}
+
+VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetDeviceProcAddr_libretro(VkDevice device, const char *pName)
+{
+	PFN_vkVoidFunction fptr = vkGetDeviceProcAddr_org(device, pName);
+	if (!fptr)
+		return fptr;
+
+	LIBRETRO_VK_WARP_LIST();
+
+	return fptr;
+}
+
+void vk_libretro_init(VkInstance instance, VkPhysicalDevice gpu, VkSurfaceKHR surface, PFN_vkGetInstanceProcAddr get_instance_proc_addr, const char **required_device_extensions, unsigned num_required_device_extensions, const char **required_device_layers, unsigned num_required_device_layers, const VkPhysicalDeviceFeatures *required_features)
+{
+	assert(surface);
+
+	vk_init_info.instance = instance;
+	vk_init_info.gpu = gpu;
+	vk_init_info.surface = surface;
+	vk_init_info.get_instance_proc_addr = get_instance_proc_addr;
+	vk_init_info.required_device_extensions = required_device_extensions;
+	vk_init_info.num_required_device_extensions = num_required_device_extensions;
+	vk_init_info.required_device_layers = required_device_layers;
+	vk_init_info.num_required_device_layers = num_required_device_layers;
+	vk_init_info.required_features = required_features;
+
+	vkGetInstanceProcAddr_org = vkGetInstanceProcAddr;
+	vkGetInstanceProcAddr = vkGetInstanceProcAddr_libretro;
+	vkGetDeviceProcAddr_org = vkGetDeviceProcAddr;
+	vkGetDeviceProcAddr = vkGetDeviceProcAddr_libretro;
+	vkCreateInstance = vkCreateInstance_libretro;
+}
+
+void vk_libretro_set_hwrender_interface(retro_hw_render_interface *hw_render_interface) { vulkan = (retro_hw_render_interface_vulkan *)hw_render_interface; }
+void vk_libretro_shutdown()
+{
+	vulkan = NULL;
+	DEDICATED_ALLOCATION = false;
+}
--- a/libretro/libretro_vulkan.h
+++ b/libretro/libretro_vulkan.h
@ -0,0 +1,403 @@
+/* Copyright (C) 2010-2016 The RetroArch team
+ *
+ * ---------------------------------------------------------------------------------------------
+ * The following license statement only applies to this libretro API header (libretro_vulkan.h)
+ * ---------------------------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge,
+ * to any person obtaining a copy of this software and associated documentation files (the
+ * "Software"),
+ * to deal in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef LIBRETRO_VULKAN_H__
+#define LIBRETRO_VULKAN_H__
+
+#include "ext/vulkan/vulkan.h"
+#include "libretro.h"
+
+#define RETRO_HW_RENDER_INTERFACE_VULKAN_VERSION 5
+#define RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION 1
+
+struct retro_vulkan_image
+{
+  VkImageView image_view;
+  VkImageLayout image_layout;
+  VkImageViewCreateInfo create_info;
+};
+
+typedef void (*retro_vulkan_set_image_t)(void* handle, const struct retro_vulkan_image* image,
+                                         uint32_t num_semaphores, const VkSemaphore* semaphores,
+                                         uint32_t src_queue_family);
+
+typedef uint32_t (*retro_vulkan_get_sync_index_t)(void* handle);
+typedef uint32_t (*retro_vulkan_get_sync_index_mask_t)(void* handle);
+typedef void (*retro_vulkan_set_command_buffers_t)(void* handle, uint32_t num_cmd,
+                                                   const VkCommandBuffer* cmd);
+typedef void (*retro_vulkan_wait_sync_index_t)(void* handle);
+typedef void (*retro_vulkan_lock_queue_t)(void* handle);
+typedef void (*retro_vulkan_unlock_queue_t)(void* handle);
+typedef void (*retro_vulkan_set_signal_semaphore_t)(void* handle, VkSemaphore semaphore);
+
+typedef const VkApplicationInfo* (*retro_vulkan_get_application_info_t)(void);
+
+struct retro_vulkan_context
+{
+  VkPhysicalDevice gpu;
+  VkDevice device;
+  VkQueue queue;
+  uint32_t queue_family_index;
+  VkQueue presentation_queue;
+  uint32_t presentation_queue_family_index;
+};
+
+typedef bool (*retro_vulkan_create_device_t)(
+    struct retro_vulkan_context* context, VkInstance instance, VkPhysicalDevice gpu,
+    VkSurfaceKHR surface, PFN_vkGetInstanceProcAddr get_instance_proc_addr,
+    const char** required_device_extensions, unsigned num_required_device_extensions,
+    const char** required_device_layers, unsigned num_required_device_layers,
+    const VkPhysicalDeviceFeatures* required_features);
+
+typedef void (*retro_vulkan_destroy_device_t)(void);
+
+/* Note on thread safety:
+ * The Vulkan API is heavily designed around multi-threading, and
+ * the libretro interface for it should also be threading friendly.
+ * A core should be able to build command buffers and submit
+ * command buffers to the GPU from any thread.
+ */
+
+struct retro_hw_render_context_negotiation_interface_vulkan
+{
+  /* Must be set to RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN. */
+  enum retro_hw_render_context_negotiation_interface_type interface_type;
+  /* Must be set to RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN_VERSION. */
+  unsigned interface_version;
+
+  /* If non-NULL, returns a VkApplicationInfo struct that the frontend can use instead of
+   * its "default" application info.
+   */
+  retro_vulkan_get_application_info_t get_application_info;
+
+  /* If non-NULL, the libretro core will choose one or more physical devices,
+   * create one or more logical devices and create one or more queues.
+   * The core must prepare a designated PhysicalDevice, Device, Queue and queue family index
+   * which the frontend will use for its internal operation.
+   *
+   * If gpu is not VK_NULL_HANDLE, the physical device provided to the frontend must be this
+   * PhysicalDevice.
+   * The core is still free to use other physical devices.
+   *
+   * The frontend will request certain extensions and layers for a device which is created.
+   * The core must ensure that the queue and queue_family_index support GRAPHICS and COMPUTE.
+   *
+   * If surface is not VK_NULL_HANDLE, the core must consider presentation when creating the queues.
+   * If presentation to "surface" is supported on the queue, presentation_queue must be equal to
+   * queue.
+   * If not, a second queue must be provided in presentation_queue and presentation_queue_index.
+   * If surface is not VK_NULL_HANDLE, the instance from frontend will have been created with
+   * supported for
+   * VK_KHR_surface extension.
+   *
+   * The core is free to set its own queue priorities.
+   * Device provided to frontend is owned by the frontend, but any additional device resources must
+   * be freed by core
+   * in destroy_device callback.
+   *
+   * If this function returns true, a PhysicalDevice, Device and Queues are initialized.
+   * If false, none of the above have been initialized and the frontend will attempt
+   * to fallback to "default" device creation, as if this function was never called.
+   */
+  retro_vulkan_create_device_t create_device;
+
+  /* If non-NULL, this callback is called similar to context_destroy for HW_RENDER_INTERFACE.
+   * However, it will be called even if context_reset was not called.
+   * This can happen if the context never succeeds in being created.
+   * destroy_device will always be called before the VkInstance
+   * of the frontend is destroyed if create_device was called successfully so that the core has a
+   * chance of
+   * tearing down its own device resources.
+   *
+   * Only auxillary resources should be freed here, i.e. resources which are not part of
+   * retro_vulkan_context.
+   */
+  retro_vulkan_destroy_device_t destroy_device;
+};
+
+struct retro_hw_render_interface_vulkan
+{
+  /* Must be set to RETRO_HW_RENDER_INTERFACE_VULKAN. */
+  enum retro_hw_render_interface_type interface_type;
+  /* Must be set to RETRO_HW_RENDER_INTERFACE_VULKAN_VERSION. */
+  unsigned interface_version;
+
+  /* Opaque handle to the Vulkan backend in the frontend
+   * which must be passed along to all function pointers
+   * in this interface.
+   *
+   * The rationale for including a handle here (which libretro v1
+   * doesn't currently do in general) is:
+   *
+   * - Vulkan cores should be able to be freely threaded without lots of fuzz.
+   *   This would break frontends which currently rely on TLS
+   *   to deal with multiple cores loaded at the same time.
+   * - Fixing this in general is TODO for an eventual libretro v2.
+   */
+  void* handle;
+
+  /* The Vulkan instance the context is using. */
+  VkInstance instance;
+  /* The physical device used. */
+  VkPhysicalDevice gpu;
+  /* The logical device used. */
+  VkDevice device;
+
+  /* Allows a core to fetch all its needed symbols without having to link
+   * against the loader itself. */
+  PFN_vkGetDeviceProcAddr get_device_proc_addr;
+  PFN_vkGetInstanceProcAddr get_instance_proc_addr;
+
+  /* The queue the core must use to submit data.
+   * This queue and index must remain constant throughout the lifetime
+   * of the context.
+   *
+   * This queue will be the queue that supports graphics and compute
+   * if the device supports compute.
+   */
+  VkQueue queue;
+  unsigned queue_index;
+
+  /* Before calling retro_video_refresh_t with RETRO_HW_FRAME_BUFFER_VALID,
+   * set which image to use for this frame.
+   *
+   * If num_semaphores is non-zero, the frontend will wait for the
+   * semaphores provided to be signaled before using the results further
+   * in the pipeline.
+   *
+   * Semaphores provided by a single call to set_image will only be
+   * waited for once (waiting for a semaphore resets it).
+   * E.g. set_image, video_refresh, and then another
+   * video_refresh without set_image,
+   * but same image will only wait for semaphores once.
+   *
+   * For this reason, ownership transfer will only occur if semaphores
+   * are waited on for a particular frame in the frontend.
+   *
+   * Using semaphores is optional for synchronization purposes,
+   * but if not using
+   * semaphores, an image memory barrier in vkCmdPipelineBarrier
+   * should be used in the graphics_queue.
+   * Example:
+   *
+   * vkCmdPipelineBarrier(cmd,
+   *    srcStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
+   *    dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
+   *    image_memory_barrier = {
+   *       srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
+   *       dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
+   *    });
+   *
+   * The use of pipeline barriers instead of semaphores is encouraged
+   * as it is simpler and more fine-grained. A layout transition
+   * must generally happen anyways which requires a
+   * pipeline barrier.
+   *
+   * The image passed to set_image must have imageUsage flags set to at least
+   * VK_IMAGE_USAGE_TRANSFER_SRC_BIT and VK_IMAGE_USAGE_SAMPLED_BIT.
+   * The core will naturally want to use flags such as
+   * VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT and/or
+   * VK_IMAGE_USAGE_TRANSFER_DST_BIT depending
+   * on how the final image is created.
+   *
+   * The image must also have been created with MUTABLE_FORMAT bit set if
+   * 8-bit formats are used, so that the frontend can reinterpret sRGB
+   * formats as it sees fit.
+   *
+   * Images passed to set_image should be created with TILING_OPTIMAL.
+   * The image layout should be transitioned to either
+   * VK_IMAGE_LAYOUT_GENERIC or VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL.
+   * The actual image layout used must be set in image_layout.
+   *
+   * The image must be a 2D texture which may or not be layered
+   * and/or mipmapped.
+   *
+   * The image must be suitable for linear sampling.
+   * While the image_view is typically the only field used,
+   * the frontend may want to reinterpret the texture as sRGB vs.
+   * non-sRGB for example so the VkImageViewCreateInfo used to
+   * create the image view must also be passed in.
+   *
+   * The data in the pointer to the image struct will not be copied
+   * as the pNext field in create_info cannot be reliably deep-copied.
+   * The image pointer passed to set_image must be valid until
+   * retro_video_refresh_t has returned.
+   *
+   * If frame duping is used when passing NULL to retro_video_refresh_t,
+   * the frontend is free to either use the latest image passed to
+   * set_image or reuse the older pointer passed to set_image the
+   * frame RETRO_HW_FRAME_BUFFER_VALID was last used.
+   *
+   * Essentially, the lifetime of the pointer passed to
+   * set_image should be extended if frame duping is used
+   * so that the frontend can reuse the older pointer.
+   *
+   * The image itself however, must not be touched by the core until
+   * wait_sync_index has been completed later. The frontend may perform
+   * layout transitions on the image, so even read-only access is not defined.
+   * The exception to read-only rule is if GENERAL layout is used for the image.
+   * In this case, the frontend is not allowed to perform any layout transitions,
+   * so concurrent reads from core and frontend are allowed.
+   *
+   * If frame duping is used, or if set_command_buffers is used,
+   * the frontend will not wait for any semaphores.
+   *
+   * The src_queue_family is used to specify which queue family
+   * the image is currently owned by. If using multiple queue families
+   * (e.g. async compute), the frontend will need to acquire ownership of the
+   * image before rendering with it and release the image afterwards.
+   *
+   * If src_queue_family is equal to the queue family (queue_index),
+   * no ownership transfer will occur.
+   * Similarly, if src_queue_family is VK_QUEUE_FAMILY_IGNORED,
+   * no ownership transfer will occur.
+   *
+   * The frontend will always release ownership back to src_queue_family.
+   * Waiting for frontend to complete with wait_sync_index() ensures that
+   * the frontend has released ownership back to the application.
+   * Note that in Vulkan, transfering ownership is a two-part process.
+   *
+   * Example frame:
+   *  - core releases ownership from src_queue_index to queue_index with VkImageMemoryBarrier.
+   *  - core calls set_image with src_queue_index.
+   *  - Frontend will acquire the image with src_queue_index -> queue_index as well, completing the
+   * ownership transfer.
+   *  - Frontend renders the frame.
+   *  - Frontend releases ownership with queue_index -> src_queue_index.
+   *  - Next time image is used, core must acquire ownership from queue_index ...
+   *
+   * Since the frontend releases ownership, we cannot necessarily dupe the frame because
+   * the core needs to make the roundtrip of ownership transfer.
+   */
+  retro_vulkan_set_image_t set_image;
+
+  /* Get the current sync index for this frame which is obtained in
+   * frontend by calling e.g. vkAcquireNextImageKHR before calling
+   * retro_run().
+   *
+   * This index will correspond to which swapchain buffer is currently
+   * the active one.
+   *
+   * Knowing this index is very useful for maintaining safe asynchronous CPU
+   * and GPU operation without stalling.
+   *
+   * The common pattern for synchronization is to receive fences when
+   * submitting command buffers to Vulkan (vkQueueSubmit) and add this fence
+   * to a list of fences for frame number get_sync_index().
+   *
+   * Next time we receive the same get_sync_index(), we can wait for the
+   * fences from before, which will usually return immediately as the
+   * frontend will generally also avoid letting the GPU run ahead too much.
+   *
+   * After the fence has signaled, we know that the GPU has completed all
+   * GPU work related to work submitted in the frame we last saw get_sync_index().
+   *
+   * This means we can safely reuse or free resources allocated in this frame.
+   *
+   * In theory, even if we wait for the fences correctly, it is not technically
+   * safe to write to the image we earlier passed to the frontend since we're
+   * not waiting for the frontend GPU jobs to complete.
+   *
+   * The frontend will guarantee that the appropriate pipeline barrier
+   * in graphics_queue has been used such that
+   * VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT cannot
+   * start until the frontend is done with the image.
+   */
+  retro_vulkan_get_sync_index_t get_sync_index;
+
+  /* Returns a bitmask of how many swapchain images we currently have
+   * in the frontend.
+   *
+   * If bit #N is set in the return value, get_sync_index can return N.
+   * Knowing this value is useful for preallocating per-frame management
+   * structures ahead of time.
+   *
+   * While this value will typically remain constant throughout the
+   * applications lifecycle, it may for example change if the frontend
+   * suddently changes fullscreen state and/or latency.
+   *
+   * If this value ever changes, it is safe to assume that the device
+   * is completely idle and all synchronization objects can be deleted
+   * right away as desired.
+   */
+  retro_vulkan_get_sync_index_mask_t get_sync_index_mask;
+
+  /* Instead of submitting the command buffer to the queue first, the core
+   * can pass along its command buffer to the frontend, and the frontend
+   * will submit the command buffer together with the frontends command buffers.
+   *
+   * This has the advantage that the overhead of vkQueueSubmit can be
+   * amortized into a single call. For this mode, semaphores in set_image
+   * will be ignored, so vkCmdPipelineBarrier must be used to synchronize
+   * the core and frontend.
+   *
+   * The command buffers in set_command_buffers are only executed once,
+   * even if frame duping is used.
+   *
+   * If frame duping is used, set_image should be used for the frames
+   * which should be duped instead.
+   *
+   * Command buffers passed to the frontend with set_command_buffers
+   * must not actually be submitted to the GPU until retro_video_refresh_t
+   * is called.
+   *
+   * The frontend must submit the command buffer before submitting any
+   * other command buffers provided by set_command_buffers. */
+  retro_vulkan_set_command_buffers_t set_command_buffers;
+
+  /* Waits on CPU for device activity for the current sync index to complete.
+   * This is useful since the core will not have a relevant fence to sync with
+   * when the frontend is submitting the command buffers. */
+  retro_vulkan_wait_sync_index_t wait_sync_index;
+
+  /* If the core submits command buffers itself to any of the queues provided
+   * in this interface, the core must lock and unlock the frontend from
+   * racing on the VkQueue.
+   *
+   * Queue submission can happen on any thread.
+   * Even if queue submission happens on the same thread as retro_run(),
+   * the lock/unlock functions must still be called.
+   *
+   * NOTE: Queue submissions are heavy-weight. */
+  retro_vulkan_lock_queue_t lock_queue;
+  retro_vulkan_unlock_queue_t unlock_queue;
+
+  /* Sets a semaphore which is signaled when the image in set_image can safely be reused.
+   * The semaphore is consumed next call to retro_video_refresh_t.
+   * The semaphore will be signalled even for duped frames.
+   * The semaphore will be signalled only once, so set_signal_semaphore should be called every
+   * frame.
+   * The semaphore may be VK_NULL_HANDLE, which disables semaphore signalling for next call to
+   * retro_video_refresh_t.
+   *
+   * This is mostly useful to support use cases where you're rendering to a single image that
+   * is recycled in a ping-pong fashion with the frontend to save memory (but potentially less
+   * throughput).
+   */
+  retro_vulkan_set_signal_semaphore_t set_signal_semaphore;
+};
+
+#endif
--- a/libretro/link.T
+++ b/libretro/link.T
@ -0,0 +1,5 @@
+{
+   global: retro_*;
+   local: *;
+};
+