From 6b9f4f511519e43a066522df45402f323ab0643b Mon Sep 17 00:00:00 2001
From: TurboK234 <hosode@gmail.com>
Date: Thu, 30 Jul 2015 00:25:47 +0300
Subject: [PATCH] Added hotkeys for toggling different stereoscopy modes

---
 Source/Core/Core/HotkeyManager.cpp |  5 +++
 Source/Core/Core/HotkeyManager.h   |  5 +++
 Source/Core/DolphinWX/Frame.cpp    | 64 ++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+)

diff --git a/Source/Core/Core/HotkeyManager.cpp b/Source/Core/Core/HotkeyManager.cpp
index f992bef281..097634709c 100644
--- a/Source/Core/Core/HotkeyManager.cpp
+++ b/Source/Core/Core/HotkeyManager.cpp
@@ -63,6 +63,11 @@ const std::string hotkey_labels[] =
 	_trans("Freelook Zoom Out"),
 	_trans("Freelook Reset"),
 
+	_trans("Toggle 3D Side-by-side"),
+	_trans("Toggle 3D Top-bottom"),
+	_trans("Toggle 3D Anaglyph"),
+	_trans("Toggle 3D Vision"),
+
 	_trans("Decrease Depth"),
 	_trans("Increase Depth"),
 	_trans("Decrease Convergence"),
diff --git a/Source/Core/Core/HotkeyManager.h b/Source/Core/Core/HotkeyManager.h
index 75da4450b9..1b352a5320 100644
--- a/Source/Core/Core/HotkeyManager.h
+++ b/Source/Core/Core/HotkeyManager.h
@@ -62,6 +62,11 @@ enum Hotkey
 	HK_FREELOOK_ZOOM_OUT,
 	HK_FREELOOK_RESET,
 
+	HK_TOGGLE_STEREO_SBS,
+	HK_TOGGLE_STEREO_TAB,
+	HK_TOGGLE_STEREO_ANAGLYPH,
+	HK_TOGGLE_STEREO_3DVISION,
+
 	HK_DECREASE_DEPTH,
 	HK_INCREASE_DEPTH,
 	HK_DECREASE_CONVERGENCE,
diff --git a/Source/Core/DolphinWX/Frame.cpp b/Source/Core/DolphinWX/Frame.cpp
index 75a9de022e..183a7b2517 100644
--- a/Source/Core/DolphinWX/Frame.cpp
+++ b/Source/Core/DolphinWX/Frame.cpp
@@ -1418,6 +1418,70 @@ void CFrame::ParseHotkeys()
 		State::Load(g_saveSlot);
 	}
 
+	if (IsHotkey(HK_TOGGLE_STEREO_SBS))
+	{
+		if (g_Config.iStereoMode != STEREO_SBS)
+		{
+			// Current implementation of anaglyph stereoscopy uses a
+			// post-processing shader. Thus the shader needs to be to be
+			// turned off when selecting other stereoscopy modes.
+			if (g_Config.sPostProcessingShader == "dubois")
+			{
+				g_Config.sPostProcessingShader = "";
+			}
+			g_Config.iStereoMode = STEREO_SBS;
+		}
+		else
+		{
+			g_Config.iStereoMode = STEREO_OFF;
+		}
+	}
+	if (IsHotkey(HK_TOGGLE_STEREO_TAB))
+	{
+		if (g_Config.iStereoMode != STEREO_TAB)
+		{
+			if (g_Config.sPostProcessingShader == "dubois")
+			{
+				g_Config.sPostProcessingShader = "";
+			}
+			g_Config.iStereoMode = STEREO_TAB;
+		}
+		else
+		{
+			g_Config.iStereoMode = STEREO_OFF;
+		}
+	}
+	if (IsHotkey(HK_TOGGLE_STEREO_ANAGLYPH))
+	{
+		if (g_Config.iStereoMode != STEREO_ANAGLYPH)
+		{
+			// Setting the anaglyph mode also requires a specific
+			// post-processing shader to be activated.
+			g_Config.iStereoMode = STEREO_ANAGLYPH;
+			g_Config.sPostProcessingShader = "dubois";
+		}
+		else
+		{
+			g_Config.iStereoMode = STEREO_OFF;
+			g_Config.sPostProcessingShader = "";
+		}
+	}
+	if (IsHotkey(HK_TOGGLE_STEREO_3DVISION))
+	{
+		if (g_Config.iStereoMode != STEREO_3DVISION)
+		{
+			if (g_Config.sPostProcessingShader == "dubois")
+			{
+				g_Config.sPostProcessingShader = "";
+			}
+			g_Config.iStereoMode = STEREO_3DVISION;
+		}
+		else
+		{
+			g_Config.iStereoMode = STEREO_OFF;
+		}
+	}
+
 	auto savePreset = [](const std::string& param, int value)
 	{
 		IniFile localIni = SConfig::GetInstance().LoadLocalGameIni();