From b68191161efbde1f85807afd48c9fb0855e7e5ee Mon Sep 17 00:00:00 2001
From: M4xw <m4x@m4xw.net>
Date: Sun, 15 Mar 2020 08:40:05 -0700
Subject: [PATCH] Switch: Add EGL interface.

---
 Common/GL/GLInterface/EGLSwitch.cpp   | 21 +++++++++++++++++++++
 Common/GL/GLInterface/EGLSwitch.h     | 24 ++++++++++++++++++++++++
 Common/GL/GLInterface/GLInterface.cpp |  5 +++++
 3 files changed, 50 insertions(+)
 create mode 100644 Common/GL/GLInterface/EGLSwitch.cpp
 create mode 100644 Common/GL/GLInterface/EGLSwitch.h

diff --git a/Common/GL/GLInterface/EGLSwitch.cpp b/Common/GL/GLInterface/EGLSwitch.cpp
new file mode 100644
index 0000000000..4cd670c678
--- /dev/null
+++ b/Common/GL/GLInterface/EGLSwitch.cpp
@@ -0,0 +1,21 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "ppsspp_config.h"
+#if PPSSPP_PLATFORM(SWITCH)
+#include <switch.h>
+#include "Common/Log.h"
+#include "Common/GL/GLInterface/EGLSwitch.h"
+
+EGLDisplay cInterfaceEGLSwitch::OpenDisplay() {
+	return eglGetDisplay(EGL_DEFAULT_DISPLAY);
+}
+
+EGLNativeWindowType cInterfaceEGLSwitch::InitializePlatform(EGLNativeWindowType host_window, EGLConfig config) {
+	return nwindowGetDefault();
+}
+
+void cInterfaceEGLSwitch::ShutdownPlatform() {
+}
+#endif
diff --git a/Common/GL/GLInterface/EGLSwitch.h b/Common/GL/GLInterface/EGLSwitch.h
new file mode 100644
index 0000000000..b313158429
--- /dev/null
+++ b/Common/GL/GLInterface/EGLSwitch.h
@@ -0,0 +1,24 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "Common/GL/GLInterface/EGL.h"
+
+class cInterfaceEGLSwitch : public cInterfaceEGL {
+public:
+	cInterfaceEGLSwitch() {}
+protected:
+	EGLDisplay OpenDisplay() override;
+	EGLNativeWindowType InitializePlatform(EGLNativeWindowType host_window, EGLConfig config) override;
+	void ShutdownPlatform() override;
+	void OverrideBackbufferDimensions(int internalWidth, int internalHeight) override {
+		internalWidth_ = internalWidth;
+		internalHeight_ = internalHeight;
+	}
+
+private:
+	int internalWidth_ = 0;
+	int internalHeight_ = 0;
+};
diff --git a/Common/GL/GLInterface/GLInterface.cpp b/Common/GL/GLInterface/GLInterface.cpp
index 6a8202aaf1..389f650ae7 100644
--- a/Common/GL/GLInterface/GLInterface.cpp
+++ b/Common/GL/GLInterface/GLInterface.cpp
@@ -2,10 +2,13 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "ppsspp_config.h"
 #include "Common/GL/GLInterfaceBase.h"
 
 #ifdef __ANDROID__
 #include "Common/GL/GLInterface/EGLAndroid.h"
+#elif PPSSPP_PLATFORM(SWITCH)
+#include "Common/GL/GLInterface/EGLSwitch.h"
 #elif defined(__APPLE__)
 #include "Common/GL/GLInterface/AGL.h"
 #elif defined(_WIN32)
@@ -23,6 +26,8 @@
 cInterfaceBase* HostGL_CreateGLInterface(){
 	#ifdef __ANDROID__
 		return new cInterfaceEGLAndroid;
+	#elif if PPSSPP_PLATFORM(SWITCH)
+		return new cInterfaceEGLSwitch;
 	#elif defined(__APPLE__)
 		return new cInterfaceAGL;
 	#elif defined(_WIN32)