From 9918763c41070ae06d55eb198031f223ff60f72b Mon Sep 17 00:00:00 2001
From: ptitSeb
Date: Fri, 15 Dec 2017 10:23:28 +0100
Subject: Changed a bit how desktop fullscreen is initialized

---
 src/main.c         |  1 -
 src/sdl/graphics.c | 15 ++++++++++++++-
 src/sdl/graphics.h |  1 +
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/main.c b/src/main.c
index 39ce6ae..d772bd0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -48,7 +48,6 @@ int main(int argc, char **argv)
 		SDL_Delay(5000);
 		exit(EXIT_FAILURE);
 	}
-	int desktopFS = 0;
 	#if defined(PANDORA) || defined(PYRA) || defined(CHIP) || defined(ODROID)
 	wantFullscreen = 1;
 	#else
diff --git a/src/sdl/graphics.c b/src/sdl/graphics.c
index 2488fae..a947a3e 100755
--- a/src/sdl/graphics.c
+++ b/src/sdl/graphics.c
@@ -10,6 +10,7 @@ SDL_Surface* backbuffer = NULL;
 
 int wantFullscreen = 0;
 int screenScale = 2;
+int desktopFS = 0;
 
 int deltaX = 0;
 int deltaY = 0;
@@ -39,7 +40,19 @@ void PHL_GraphicsInit()
     uint32_t flags = SDL_HWSURFACE|SDL_DOUBLEBUF;
 	if(wantFullscreen)
     	flags |= SDL_FULLSCREEN;
-    screen = SDL_SetVideoMode(screenW, screenH, 0, flags);
+    screen = SDL_SetVideoMode((desktopFS)?0:screenW, (desktopFS)?0:screenH, 0, flags);
+	if(desktopFS)
+	{
+		const SDL_VideoInfo* infos = SDL_GetVideoInfo();
+		screenH = infos->current_h;
+		screenW = infos->current_w;
+		if(screenW/320 < screenH/240)
+			screenScale = screenW/320;
+		else
+			screenScale = screenH/240; // automatic guess the scale
+		deltaX = (screenW-320*screenScale)/2;
+		deltaY = (screenH-240*screenScale)/2;
+	}
 	drawbuffer = screen;
 	drawscreen = 1;
 	backbuffer = PHL_NewSurface(320*screenScale, 240*screenScale);
diff --git a/src/sdl/graphics.h b/src/sdl/graphics.h
index d3de8bc..c3fb20c 100644
--- a/src/sdl/graphics.h
+++ b/src/sdl/graphics.h
@@ -29,6 +29,7 @@ extern PHL_Surface screen;
 
 extern int wantFullscreen;
 extern int screenScale;
+extern int desktopFS;
 
 extern int deltaX;
 extern int deltaY;
-- 
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