Merge changes I505c4aea,I2ae0529c

* changes:
  Import SDL release-1.2.15
  Handle SDL windows with BGRA color

1 files changed, 317 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/cdrom/mint/SDL_syscdrom.c b/distrib/sdl-1.2.15/src/cdrom/mint/SDL_syscdrom.c
new file mode 100644
index 0000000..0bc10ed
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/cdrom/mint/SDL_syscdrom.c
@@ -0,0 +1,317 @@
+/*
+    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"
+
+#ifdef SDL_CDROM_MINT
+
+/*
+	Atari MetaDOS CD-ROM functions
+
+	Patrice Mandin
+*/
+
+#include <errno.h>
+
+#include <mint/cdromio.h>
+#include <mint/metados.h>
+
+#include "SDL_cdrom.h"
+#include "../SDL_syscdrom.h"
+
+/* Some ioctl() errno values which occur when the tray is empty */
+#ifndef ENOMEDIUM
+#define ENOMEDIUM ENOENT
+#endif
+#define ERRNO_TRAYEMPTY(errno)	\
+	((errno == EIO)    || (errno == ENOENT) || \
+	 (errno == EINVAL) || (errno == ENOMEDIUM))
+
+/* The maximum number of CD-ROM drives we'll detect */
+#define MAX_DRIVES	32	
+
+typedef struct {
+	char		device[3];	/* Physical device letter + ':' + '\0' */
+	metaopen_t	metaopen;		/* Infos on opened drive */
+} metados_drive_t;
+
+static metados_drive_t metados_drives[MAX_DRIVES];
+
+/* The system-dependent CD control functions */
+static const char *SDL_SYS_CDName(int drive);
+static int SDL_SYS_CDOpen(int drive);
+static void SDL_SYS_CDClose(SDL_CD *cdrom);
+static int SDL_SYS_CDioctl(int id, int command, void *arg);
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom);
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
+static int SDL_SYS_CDPause(SDL_CD *cdrom);
+static int SDL_SYS_CDResume(SDL_CD *cdrom);
+static int SDL_SYS_CDStop(SDL_CD *cdrom);
+static int SDL_SYS_CDEject(SDL_CD *cdrom);
+
+int SDL_SYS_CDInit(void)
+{
+	metainit_t	metainit={0,0,0,0};
+	metaopen_t	metaopen;
+	int i, handle;
+	struct cdrom_subchnl info;
+
+	Metainit(&metainit);
+	if (metainit.version == NULL) {
+#ifdef DEBUG_CDROM
+		fprintf(stderr, "MetaDOS not installed\n");
+#endif
+		return -1;
+	}
+
+	if (metainit.drives_map == 0) {
+#ifdef DEBUG_CDROM
+		fprintf(stderr, "No MetaDOS devices present\n");
+#endif
+		return -1;
+	}
+
+	SDL_numcds = 0;
+	
+	for (i='A'; i<='Z'; i++) {
+		metados_drives[SDL_numcds].device[0] = 0;
+		metados_drives[SDL_numcds].device[1] = ':';
+		metados_drives[SDL_numcds].device[2] = 0;
+
+		if (metainit.drives_map & (1<<(i-'A'))) {
+			handle = Metaopen(i, &metaopen);
+			if (handle == 0) {
+
+				info.cdsc_format = CDROM_MSF;
+				if ( (Metaioctl(i, METADOS_IOCTL_MAGIC, CDROMSUBCHNL, &info) == 0) || ERRNO_TRAYEMPTY(errno) ) {
+					metados_drives[SDL_numcds].device[0] = i;
+					++SDL_numcds;
+				}
+
+				Metaclose(i);
+			}
+		}
+	}
+
+	/* Fill in our driver capabilities */
+	SDL_CDcaps.Name = SDL_SYS_CDName;
+	SDL_CDcaps.Open = SDL_SYS_CDOpen;
+	SDL_CDcaps.Close = SDL_SYS_CDClose;
+
+	SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
+	SDL_CDcaps.Status = SDL_SYS_CDStatus;
+	SDL_CDcaps.Play = SDL_SYS_CDPlay;
+	SDL_CDcaps.Pause = SDL_SYS_CDPause;
+	SDL_CDcaps.Resume = SDL_SYS_CDResume;
+	SDL_CDcaps.Stop = SDL_SYS_CDStop;
+	SDL_CDcaps.Eject = SDL_SYS_CDEject;
+
+	return 0;
+}
+
+void SDL_SYS_CDQuit(void)
+{
+	SDL_numcds = 0;
+}
+
+static const char *SDL_SYS_CDName(int drive)
+{
+	return(metados_drives[drive].device);
+}
+
+static int SDL_SYS_CDOpen(int drive)
+{
+	int handle;
+
+	handle = Metaopen(metados_drives[drive].device[0], &(metados_drives[drive].metaopen));
+	if (handle == 0) {
+		return drive;
+	}
+
+	return -1;
+}
+
+static void SDL_SYS_CDClose(SDL_CD *cdrom)
+{
+	Metaclose(metados_drives[cdrom->id].device[0]);
+}
+
+static int SDL_SYS_CDioctl(int id, int command, void *arg)
+{
+	int retval;
+
+	retval = Metaioctl(metados_drives[id].device[0], METADOS_IOCTL_MAGIC, command, arg);
+	if ( retval < 0 ) {
+		SDL_SetError("ioctl() error: %s", strerror(errno));
+	}
+	return(retval);
+}
+
+static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
+{
+	int i,okay;
+	struct cdrom_tochdr toc;
+	struct cdrom_tocentry entry;
+
+	/* Use standard ioctl() */	
+	if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)<0) {
+		return -1;
+	}
+
+	cdrom->numtracks = toc.cdth_trk1-toc.cdth_trk0+1;
+	if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
+		cdrom->numtracks = SDL_MAX_TRACKS;
+	}
+
+	/* Read all the track TOC entries */
+	okay=1;
+	for ( i=0; i<=cdrom->numtracks; ++i ) {
+		if ( i == cdrom->numtracks ) {
+			cdrom->track[i].id = CDROM_LEADOUT;
+		} else {
+			cdrom->track[i].id = toc.cdth_trk0+i;
+		}
+		entry.cdte_track = cdrom->track[i].id;
+		entry.cdte_format = CDROM_MSF;
+		if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, &entry) < 0 ) {
+			okay=0;
+			break;
+		} else {
+			if ( entry.cdte_ctrl & CDROM_DATA_TRACK ) {
+				cdrom->track[i].type = SDL_DATA_TRACK;
+			} else {
+				cdrom->track[i].type = SDL_AUDIO_TRACK;
+			}
+			cdrom->track[i].offset = MSF_TO_FRAMES(
+				entry.cdte_addr.msf.minute,
+				entry.cdte_addr.msf.second,
+				entry.cdte_addr.msf.frame);
+				cdrom->track[i].length = 0;
+			if ( i > 0 ) {
+				cdrom->track[i-1].length = cdrom->track[i].offset-cdrom->track[i-1].offset;
+			}
+		}
+	}
+
+	return(okay ? 0 : -1);
+}
+
+/* Get CD-ROM status */
+static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
+{
+	CDstatus status;
+	struct cdrom_tochdr toc;
+	struct cdrom_subchnl info;
+
+	info.cdsc_format = CDROM_MSF;
+	if ( SDL_SYS_CDioctl(cdrom->id, CDROMSUBCHNL, &info) < 0 ) {
+		if ( ERRNO_TRAYEMPTY(errno) ) {
+			status = CD_TRAYEMPTY;
+		} else {
+			status = CD_ERROR;
+		}
+	} else {
+		switch (info.cdsc_audiostatus) {
+			case CDROM_AUDIO_INVALID:
+			case CDROM_AUDIO_NO_STATUS:
+				/* Try to determine if there's a CD available */
+				if (SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc)==0) {
+					status = CD_STOPPED;
+				} else {
+					status = CD_TRAYEMPTY;
+				}
+				break;
+			case CDROM_AUDIO_COMPLETED:
+				status = CD_STOPPED;
+				break;
+			case CDROM_AUDIO_PLAY:
+				status = CD_PLAYING;
+				break;
+			case CDROM_AUDIO_PAUSED:
+				/* Workaround buggy CD-ROM drive */
+				if ( info.cdsc_trk == CDROM_LEADOUT ) {
+					status = CD_STOPPED;
+				} else {
+					status = CD_PAUSED;
+				}
+				break;
+			default:
+				status = CD_ERROR;
+				break;
+		}
+	}
+	if ( position ) {
+		if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
+			*position = MSF_TO_FRAMES(
+					info.cdsc_absaddr.msf.minute,
+					info.cdsc_absaddr.msf.second,
+					info.cdsc_absaddr.msf.frame);
+		} else {
+			*position = 0;
+		}
+	}
+	return(status);
+}
+
+/* Start play */
+static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
+{
+	struct cdrom_msf playtime;
+
+	FRAMES_TO_MSF(start,
+	   &playtime.cdmsf_min0, &playtime.cdmsf_sec0, &playtime.cdmsf_frame0);
+	FRAMES_TO_MSF(start+length,
+	   &playtime.cdmsf_min1, &playtime.cdmsf_sec1, &playtime.cdmsf_frame1);
+#ifdef DEBUG_CDROM
+  fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
+	playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
+	playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
+#endif
+
+	return SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime);
+}
+
+/* Pause play */
+static int SDL_SYS_CDPause(SDL_CD *cdrom)
+{
+	return SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0);
+}
+
+/* Resume play */
+static int SDL_SYS_CDResume(SDL_CD *cdrom)
+{
+	return SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0);
+}
+
+/* Stop play */
+static int SDL_SYS_CDStop(SDL_CD *cdrom)
+{
+	return SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0);
+}
+
+/* Eject the CD-ROM */
+static int SDL_SYS_CDEject(SDL_CD *cdrom)
+{
+	return SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0);
+}
+
+#endif /* SDL_CDROM_MINT */