Import SDL release-1.2.15

Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf

1 files changed, 104 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/video/xbios/SDL_xbios_centscreen.c b/distrib/sdl-1.2.15/src/video/xbios/SDL_xbios_centscreen.c
new file mode 100644
index 0000000..6daade2
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/xbios/SDL_xbios_centscreen.c
@@ -0,0 +1,104 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/*
+	Centscreen extension definitions
+
+	Patrice Mandin
+*/
+
+#include <mint/falcon.h>
+
+#include "SDL_xbios.h"
+#include "SDL_xbios_centscreen.h"
+
+int SDL_XBIOS_ListCentscreenModes(_THIS, int actually_add)
+{
+	centscreen_mode_t curmode, listedmode;
+	unsigned long result;
+	int cur_handle;	/* Current Centscreen mode handle */
+
+	/* Add Centscreen modes */
+	Vread(&curmode);
+	cur_handle = curmode.handle;
+	curmode.mode = curmode.physx = curmode.physy = curmode.plan =
+		curmode.logx = curmode.logy = -1;
+
+	result = Vfirst(&curmode, &listedmode);
+	if (result==0) {
+		while (result==0) {
+			/* Don't add modes with virtual screen */
+			if ((listedmode.mode & CSCREEN_VIRTUAL)==0) {
+				/* Don't add modes with bpp<8 */
+				if (listedmode.plan>=8) {
+					xbiosmode_t modeinfo;
+
+					modeinfo.number = listedmode.mode;
+					modeinfo.width = listedmode.physx;
+					modeinfo.height = listedmode.physy;
+					modeinfo.depth = listedmode.plan;
+					modeinfo.flags = (modeinfo.depth == 8 ? XBIOSMODE_C2P : 0);
+
+					SDL_XBIOS_AddMode(this, actually_add, &modeinfo);
+				}
+			}
+			SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t));
+			curmode.mode = curmode.physx = curmode.physy = curmode.plan =
+				curmode.logx = curmode.logy = -1;
+			result = Vnext(&curmode, &listedmode);
+		}		
+	} else {
+		fprintf(stderr, "No suitable Centscreen modes\n");
+	}
+
+	return cur_handle;
+}
+
+void SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes)
+{
+	centscreen_mode_t newmode, curmode;
+	
+	newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1;
+	newmode.physx = width;
+	newmode.physy = height;
+	newmode.plan = planes;
+	Vwrite(0, &newmode, &curmode);
+
+#ifdef SDL_VIDEO_DISABLE_SCREENSAVER
+	/* Disable screensaver */
+	Vread(&newmode);
+	newmode.mode &= ~(CSCREEN_SAVER|CSCREEN_ENERGYSTAR);
+	Vwrite(0, &newmode, &curmode);
+#endif /* SDL_VIDEO_DISABLE_SCREENSAVER */
+}
+
+void SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle)
+{
+	centscreen_mode_t newmode, curmode;
+
+	/* Restore old video mode */
+	newmode.handle = prev_handle;
+	newmode.mode = newmode.physx = newmode.physy = newmode.plan =
+		newmode.logx = newmode.logy = -1;
+	Vwrite(0, &newmode, &curmode);
+}