From 231407206d91829980da18bfab2d0ae28b3fc9ad Mon Sep 17 00:00:00 2001
From: rsn8887
Date: Wed, 3 Jan 2018 12:43:09 -0600
Subject: PSP: Use aspect correction checkbox instead of extra graphics modes

---
 backends/platform/psp/display_manager.cpp | 37 +++++++++++++------------------
 backends/platform/psp/display_manager.h   |  7 +++---
 backends/platform/psp/osys_psp.cpp        |  3 +++
 configure                                 |  1 +
 4 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/backends/platform/psp/display_manager.cpp b/backends/platform/psp/display_manager.cpp
index f8be51e4e9..3476e9f848 100644
--- a/backends/platform/psp/display_manager.cpp
+++ b/backends/platform/psp/display_manager.cpp
@@ -35,6 +35,8 @@
 #include "backends/platform/psp/pspkeyboard.h"
 #include "backends/platform/psp/image_viewer.h"
 
+#include "common/config-manager.h"
+
 #define USE_DISPLAY_CALLBACK	// to use callback for finishing the render
 #include "backends/platform/psp/display_manager.h"
 
@@ -54,9 +56,8 @@ uint32 __attribute__((aligned(16))) MasterGuRenderer::_displayList[2048];
 
 const OSystem::GraphicsMode DisplayManager::_supportedModes[] = {
 	{ "Original Resolution", "Original Resolution", ORIGINAL_RESOLUTION },
-	{ "Keep Aspect Ratio", "Keep Aspect Ratio", KEEP_ASPECT_RATIO },
-	{ "4:3 Aspect Ratio", "4:3 Aspect Ratio", ASPECT_RATIO_CORRECTION },
-	{ "Stretched Full Screen", "Stretched Full Screen", STRETCHED_FULL_SCREEN },
+	{ "Fit to Screen", "Fit to Screen", FIT_TO_SCREEN },
+	{ "Stretch to Screen", "Stretch to Screen", STRETCH_TO_SCREEN },
 	{0, 0, 0}
 };
 
@@ -365,32 +366,26 @@ void DisplayManager::calculateScaleParams() {
 			_displayParams.screenOutput.height =  _displayParams.screenSource.height;
 			break;
 		}
-		// else revert to keep aspect ratio
-	case KEEP_ASPECT_RATIO:	{ // maximize the height while keeping aspect ratio
-			float aspectRatio = (float)_displayParams.screenSource.width / (float)_displayParams.screenSource.height;
+		// else revert to fit to screen
+	case FIT_TO_SCREEN: { // maximize the height while keeping aspect ratio
+			float aspectRatio;
+
+			if (ConfMan.getBool("aspect_ratio")) {
+				aspectRatio = 4.0f / 3.0f;
+			} else {
+				aspectRatio = (float)_displayParams.screenSource.width / (float)_displayParams.screenSource.height;
+			}
 
-			_displayParams.screenOutput.height = PSP_SCREEN_HEIGHT;	// always full height
+			_displayParams.screenOutput.height = PSP_SCREEN_HEIGHT; // always full height
 			_displayParams.screenOutput.width = (uint32)(PSP_SCREEN_HEIGHT * aspectRatio);
 
 			if (_displayParams.screenOutput.width > PSP_SCREEN_WIDTH) { // shrink if wider than screen
-				_displayParams.screenOutput.height = (uint32) (((float) PSP_SCREEN_HEIGHT * (float) PSP_SCREEN_WIDTH) / (float) _displayParams.screenOutput.width); 
-				_displayParams.screenOutput.width = PSP_SCREEN_WIDTH;
-			}
-		}
-		break;
-	case ASPECT_RATIO_CORRECTION: { // maximize the height while forcing 4:3 aspect ratio
-			float aspectRatio = 4.0f / 3.0f;
-			
-			_displayParams.screenOutput.height = PSP_SCREEN_HEIGHT;	// always full height
-			_displayParams.screenOutput.width = (uint32)(PSP_SCREEN_HEIGHT * aspectRatio);
-
-			if (_displayParams.screenOutput.width > PSP_SCREEN_WIDTH) { // // shrink if wider than screen
-				_displayParams.screenOutput.height = (uint32) (((float) PSP_SCREEN_HEIGHT * (float) PSP_SCREEN_WIDTH) / (float) _displayParams.screenOutput.width); 
+				_displayParams.screenOutput.height = (uint32)(((float)PSP_SCREEN_HEIGHT * (float)PSP_SCREEN_WIDTH) / (float)_displayParams.screenOutput.width); 
 				_displayParams.screenOutput.width = PSP_SCREEN_WIDTH;
 			}
 		}
 		break;
-	case STRETCHED_FULL_SCREEN:	// we simply stretch to the whole screen
+	case STRETCH_TO_SCREEN: // we simply stretch to the whole screen
 		_displayParams.screenOutput.width = PSP_SCREEN_WIDTH;
 		_displayParams.screenOutput.height = PSP_SCREEN_HEIGHT;
 		break;
diff --git a/backends/platform/psp/display_manager.h b/backends/platform/psp/display_manager.h
index ba11963f8c..e33328de4b 100644
--- a/backends/platform/psp/display_manager.h
+++ b/backends/platform/psp/display_manager.h
@@ -105,9 +105,8 @@ class DisplayManager {
 public:
 	enum GraphicsModeID {			///> Possible output formats onscreen
 		ORIGINAL_RESOLUTION,
-		KEEP_ASPECT_RATIO,
-		ASPECT_RATIO_CORRECTION,
-		STRETCHED_FULL_SCREEN
+		FIT_TO_SCREEN,
+		STRETCH_TO_SCREEN
 	};
 	DisplayManager() : _screen(0), _cursor(0), _overlay(0), _keyboard(0),
 					  _imageViewer(0), _lastUpdateTime(0), _graphicsMode(0) {}
@@ -119,7 +118,7 @@ public:
 	bool setGraphicsMode(int mode);
 	bool setGraphicsMode(const char *name);
 	int getGraphicsMode() const { return _graphicsMode; }
-	uint32 getDefaultGraphicsMode() const { return KEEP_ASPECT_RATIO; }
+	uint32 getDefaultGraphicsMode() const { return FIT_TO_SCREEN; }
 	const OSystem::GraphicsMode* getSupportedGraphicsModes() const { return _supportedModes; }
 
 	// Setters for pointers
diff --git a/backends/platform/psp/osys_psp.cpp b/backends/platform/psp/osys_psp.cpp
index e31456fb70..7812f7df28 100644
--- a/backends/platform/psp/osys_psp.cpp
+++ b/backends/platform/psp/osys_psp.cpp
@@ -64,6 +64,9 @@ OSystem_PSP::~OSystem_PSP() {}
 void OSystem_PSP::initBackend() {
 	DEBUG_ENTER_FUNC();
 
+	ConfMan.registerDefault("aspect_ratio", false);
+	ConfMan.registerDefault("gfx_mode", "Fit to Screen");
+
 	// Instantiate real time clock
 	PspRtc::instance();
 
diff --git a/configure b/configure
index 2b244e93be..ccb786233e 100755
--- a/configure
+++ b/configure
@@ -3231,6 +3231,7 @@ if test -n "$_host"; then
 			_port_mk="backends/platform/sdl/psp2/psp2.mk"
 			;;
 		psp)
+			append_var DEFINES "-DGUI_ONLY_FULLSCREEN"
 			_backend="psp"
 			_build_scalers=no
 			_mt32emu=no
-- 
cgit v1.2.3