path: root/media-libs/libsdl/files/libsdl-1.2.11-libcaca.patch

--- SDL-1.2.10/configure.in
+++ SDL-1.2.10/configure.in
@@ -1316,6 +1316,38 @@ AC_HELP_STRING([--enable-video-aalib], [
     fi
 }
 
+dnl Find the libcaca includes
+CheckCaca()
+{
+    AC_ARG_ENABLE(video-caca,
+AC_HELP_STRING([--enable-video-caca], [use libcaca video driver [[default=no]]]),
+                  , enable_video_caca=no)
+    if test x$enable_video = xyes -a x$enable_video_caca = xyes; then
+        video_caca=no
+        AC_PATH_PROG(CACACONFIG, caca-config, no)
+        if test x$CACACONFIG != xno; then
+            AC_MSG_CHECKING(for libcaca support)
+            CACA_CFLAGS=`$CACACONFIG --cflags`
+            CACA_LDFLAGS=`$CACACONFIG --libs`
+            save_CFLAGS="$CFLAGS"
+            AC_TRY_COMPILE([
+             #include <caca.h>
+            ],[
+            ],[
+             video_caca=yes
+            ])
+            CFLAGS="$save_CFLAGS"
+            AC_MSG_RESULT($video_caca)
+            if test x$video_caca = xyes; then
+                AC_DEFINE(SDL_VIDEO_DRIVER_CACA)
+                EXTRA_CFLAGS="$EXTRA_CFLAGS $CACA_CFLAGS"
+                EXTRA_LDFLAGS="$EXTRA_LDFLAGS $CACA_LDFLAGS"
+                SOURCES="$SOURCES $srcdir/src/video/caca/*.c"
+            fi
+        fi
+    fi
+}
+
 dnl Set up the QTopia video driver if enabled
 CheckQtopia()
 {
@@ -2130,6 +2162,7 @@ case "$host" in
         CheckVGL
         CheckWscons
         CheckAAlib
+        CheckCaca
         CheckQtopia
         CheckPicoGUI
         CheckOpenGLX11
--- SDL-1.2.10/src/video/caca/SDL_cacaevents.c
+++ SDL-1.2.10/src/video/caca/SDL_cacaevents.c
@@ -0,0 +1,98 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id: libsdl-1.2.11-libcaca.patch,v 1.1 2006/09/18 16:06:06 mr_bones_ Exp $";
+#endif
+
+#include <stdio.h>
+
+#include <caca.h>
+
+#include "SDL.h"
+#include "../../events/SDL_sysevents.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_cacavideo.h"
+#include "SDL_cacaevents_c.h"
+
+void Caca_PumpEvents(_THIS)
+{
+	int posted = 0;
+	int event;
+	SDL_keysym keysym;
+
+	if( ! this->screen ) /* Wait till we got the screen initialised */
+	  return;
+
+	do {
+		posted = 0;
+
+		/* Get libcaca event */
+		SDL_mutexP(Caca_mutex);
+		event = caca_get_event(CACA_EVENT_ANY);
+		SDL_mutexV(Caca_mutex);
+
+		if ( event & (CACA_EVENT_KEY_PRESS | CACA_EVENT_KEY_RELEASE)) {
+			int key;
+			switch ( event & 0xffffff )
+			{
+				case CACA_KEY_LEFT: key = SDLK_LEFT; break;
+				case CACA_KEY_RIGHT: key = SDLK_RIGHT; break;
+				case CACA_KEY_UP: key = SDLK_UP; break;
+				case CACA_KEY_DOWN: key = SDLK_DOWN; break;
+				default: key = event & 0xff; break;
+			}
+			/* Key pressed */
+/*    		printf("Key pressed: %d (%c)\n", key, key); */
+			keysym.scancode = key;
+			keysym.sym = key;
+			keysym.mod = KMOD_NONE;
+			keysym.unicode = 0;
+			if ( SDL_TranslateUNICODE ) {
+				keysym.unicode = key;
+			}
+			posted += SDL_PrivateKeyboard((event & CACA_EVENT_KEY_PRESS) ? SDL_PRESSED : SDL_RELEASED, &keysym);
+		}
+		else if ( event & (CACA_EVENT_MOUSE_PRESS | CACA_EVENT_MOUSE_RELEASE) ) {
+			/* FIXME: we currently ignore the button type! */
+			int button = event & 0x00ffffff;
+			if ( button > 3 ) {
+				button = 1;
+			}
+			posted += SDL_PrivateMouseButton((event & CACA_EVENT_MOUSE_PRESS) ? SDL_PRESSED : SDL_RELEASED, button, 0, 0);
+		}
+		else if ( event & CACA_EVENT_MOUSE_MOTION ) {
+			int new_x = 0, new_y = 0;
+			new_x = ((event & 0x00fff000) >> 12) * Caca_w / caca_get_width();
+			new_y = ((event & 0x00000fff) >> 0) * Caca_h / caca_get_height();
+			posted += SDL_PrivateMouseMotion(0, 0, new_x, new_y);
+		}
+	} while ( posted );
+}
+
+void Caca_InitOSKeymap(_THIS)
+{
+    return;
+}
+
+
--- SDL-1.2.10/src/video/caca/SDL_cacaevents_c.h
+++ SDL-1.2.10/src/video/caca/SDL_cacaevents_c.h
@@ -0,0 +1,35 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id: libsdl-1.2.11-libcaca.patch,v 1.1 2006/09/18 16:06:06 mr_bones_ Exp $";
+#endif
+
+#include "SDL_cacavideo.h"
+
+/* Variables and functions exported by SDL_sysevents.c to other parts.
+   of the native video subsystem (SDL_sysvideo.c)
+*/
+extern void Caca_PumpEvents(_THIS);
+extern void Caca_InitOSKeymap(_THIS);
+
--- SDL-1.2.10/src/video/caca/SDL_cacavideo.c
+++ SDL-1.2.10/src/video/caca/SDL_cacavideo.c
@@ -0,0 +1,301 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 2003  Sam Hocevar
+
+    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 Hocevar
+    sam@zoy.org
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id: libsdl-1.2.11-libcaca.patch,v 1.1 2006/09/18 16:06:06 mr_bones_ Exp $";
+#endif
+
+/* libcaca based SDL video driver implementation.
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+#include "SDL.h"
+#include "SDL_error.h"
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+
+#include "SDL_cacavideo.h"
+#include "SDL_cacaevents_c.h"
+
+#include <caca.h>
+
+/* Initialization/Query functions */
+static int Caca_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **Caca_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *Caca_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static void Caca_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+static int Caca_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int Caca_LockHWSurface(_THIS, SDL_Surface *surface);
+static int Caca_FlipHWSurface(_THIS, SDL_Surface *surface);
+static void Caca_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void Caca_FreeHWSurface(_THIS, SDL_Surface *surface);
+
+/* Cache the VideoDevice struct */
+static struct SDL_VideoDevice *local_this;
+
+/* libcaca driver bootstrap functions */
+
+static int Caca_Available(void)
+{
+	return 1; /* Always available ! */
+}
+
+static void Caca_DeleteDevice(SDL_VideoDevice *device)
+{
+	free(device->hidden);
+	free(device);
+}
+static SDL_VideoDevice *Caca_CreateDevice(int devindex)
+{
+	SDL_VideoDevice *device;
+
+	/* Initialize all variables that we clean on shutdown */
+	device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
+	if ( device ) {
+		memset(device, 0, (sizeof *device));
+		device->hidden = (struct SDL_PrivateVideoData *)
+				malloc((sizeof *device->hidden));
+	}
+	if ( (device == NULL) || (device->hidden == NULL) ) {
+		SDL_OutOfMemory();
+		if ( device ) {
+			free(device);
+		}
+		return(0);
+	}
+	memset(device->hidden, 0, (sizeof *device->hidden));
+
+	/* Set the function pointers */
+	device->VideoInit = Caca_VideoInit;
+	device->ListModes = Caca_ListModes;
+	device->SetVideoMode = Caca_SetVideoMode;
+	device->CreateYUVOverlay = NULL;
+	device->SetColors = NULL;
+	device->UpdateRects = NULL;
+	device->VideoQuit = Caca_VideoQuit;
+	device->AllocHWSurface = Caca_AllocHWSurface;
+	device->CheckHWBlit = NULL;
+	device->FillHWRect = NULL;
+	device->SetHWColorKey = NULL;
+	device->SetHWAlpha = NULL;
+	device->LockHWSurface = Caca_LockHWSurface;
+	device->UnlockHWSurface = Caca_UnlockHWSurface;
+	device->FlipHWSurface = NULL;
+	device->FreeHWSurface = Caca_FreeHWSurface;
+	device->SetCaption = NULL;
+	device->SetIcon = NULL;
+	device->IconifyWindow = NULL;
+	device->GrabInput = NULL;
+	device->GetWMInfo = NULL;
+	device->InitOSKeymap = Caca_InitOSKeymap;
+	device->PumpEvents = Caca_PumpEvents;
+
+	device->free = Caca_DeleteDevice;
+
+	return device;
+}
+
+VideoBootStrap Caca_bootstrap = {
+	"caca", "Color ASCII Art Library",
+	Caca_Available, Caca_CreateDevice
+};
+
+int Caca_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+	int i;
+
+	/* Initialize all variables that we clean on shutdown */
+	for ( i=0; i<SDL_NUMMODES; ++i ) {
+		SDL_modelist[i] = malloc(sizeof(SDL_Rect));
+		SDL_modelist[i]->x = SDL_modelist[i]->y = 0;
+	}
+	/* Modes sorted largest to smallest */
+	SDL_modelist[0]->w = 1024; SDL_modelist[0]->h = 768;
+	SDL_modelist[1]->w = 800; SDL_modelist[1]->h = 600;
+	SDL_modelist[2]->w = 640; SDL_modelist[2]->h = 480;
+	SDL_modelist[3]->w = 320; SDL_modelist[3]->h = 400;
+	SDL_modelist[4]->w = 320; SDL_modelist[4]->h = 240;
+	SDL_modelist[5]->w = 320; SDL_modelist[5]->h = 200;
+	SDL_modelist[6] = NULL;
+
+	Caca_mutex = SDL_CreateMutex();
+
+	/* Initialize the library */
+	if ( caca_init() != 0 ) {
+		SDL_SetError("Unable to initialize libcaca");
+		return(-1);
+	}
+
+	/* Initialize private variables */
+	Caca_lastkey = 0;
+	Caca_bitmap = NULL;
+	Caca_buffer = NULL;
+
+	local_this = this;
+
+	/* Determine the screen depth (use default 8-bit depth) */
+	vformat->BitsPerPixel = 8;
+	vformat->BytesPerPixel = 1;
+
+	/* We're done! */
+	return(0);
+}
+
+SDL_Rect **Caca_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+     if(format->BitsPerPixel != 8)
+ 		return NULL;
+
+	 if ( flags & SDL_FULLSCREEN ) {
+		 return SDL_modelist;
+	 } else {
+		 return (SDL_Rect **) -1;
+	 }
+}
+
+/* Various screen update functions available */
+static void Caca_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+SDL_Surface *Caca_SetVideoMode(_THIS, SDL_Surface *current,
+				int width, int height, int bpp, Uint32 flags)
+{
+	if ( Caca_buffer ) {
+		free( Caca_buffer );
+		Caca_buffer = NULL;
+	}
+
+	if ( Caca_bitmap ) {
+		caca_free_bitmap( Caca_bitmap );
+		Caca_bitmap = NULL;
+	}
+
+	Caca_buffer = malloc(2 * ((width + 15) & ~15) * height);
+	if ( ! Caca_buffer ) {
+		SDL_SetError("Couldn't allocate buffer for requested mode");
+		return(NULL);
+	}
+
+	memset(Caca_buffer, 0, 2 * ((width + 15) & ~15) * height);
+
+	/* Allocate the new pixel format for the screen */
+	if ( ! SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0) ) {
+		return(NULL);
+	}
+
+	/* Set up the new mode framebuffer */
+	current->flags = SDL_FULLSCREEN;
+	Caca_w = current->w = width;
+	Caca_h = current->h = height;
+	current->pitch = 2 * ((width + 15) & ~15);
+	current->pixels = Caca_buffer;
+
+	/* Create the libcaca bitmap */
+	Caca_bitmap = caca_create_bitmap( 16, width, height, current->pitch, 0xf800, 0x07e0, 0x001f, 0x0000 );
+	if ( ! Caca_bitmap ) {
+		SDL_SetError("Couldn't allocate libcaca bitmap");
+		return(NULL);
+	}
+
+	/* Set the blit function */
+	this->UpdateRects = Caca_DirectUpdate;
+
+	/* We're done */
+	return(current);
+}
+
+/* We don't actually allow hardware surfaces other than the main one */
+static int Caca_AllocHWSurface(_THIS, SDL_Surface *surface)
+{
+	return(-1);
+}
+static void Caca_FreeHWSurface(_THIS, SDL_Surface *surface)
+{
+	return;
+}
+
+/* We need to wait for vertical retrace on page flipped displays */
+static int Caca_LockHWSurface(_THIS, SDL_Surface *surface)
+{
+	/* TODO ? */
+	return(0);
+}
+static void Caca_UnlockHWSurface(_THIS, SDL_Surface *surface)
+{
+	return;
+}
+
+/* FIXME: How is this done with libcaca? */
+static int Caca_FlipHWSurface(_THIS, SDL_Surface *surface)
+{
+	SDL_mutexP(Caca_mutex);
+	caca_refresh();
+	SDL_mutexV(Caca_mutex);
+	return(0);
+}
+
+static void Caca_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+	SDL_mutexP(Caca_mutex);
+	caca_draw_bitmap( 0, 0, caca_get_width() - 1, caca_get_height() - 1,
+			  Caca_bitmap, Caca_buffer );
+	caca_refresh();
+	SDL_mutexV(Caca_mutex);
+	return;
+}
+
+/* Note:  If we are terminated, this could be called in the middle of
+   another SDL video routine -- notably UpdateRects.
+*/
+void Caca_VideoQuit(_THIS)
+{
+	int i;
+
+	/* Free video mode lists */
+	for ( i=0; i<SDL_NUMMODES; ++i ) {
+		if ( SDL_modelist[i] != NULL ) {
+			free(SDL_modelist[i]);
+			SDL_modelist[i] = NULL;
+		}
+	}
+
+	if ( Caca_bitmap ) {
+		caca_free_bitmap( Caca_bitmap );
+		Caca_bitmap = NULL;
+	}
+
+	caca_end();
+
+	SDL_DestroyMutex(Caca_mutex);
+}
+
--- SDL-1.2.10/src/video/caca/SDL_cacavideo.h
+++ SDL-1.2.10/src/video/caca/SDL_cacavideo.h
@@ -0,0 +1,73 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 2003  Sam Hocevar
+
+    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 Hocevar
+    sam@zoy.org
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id: libsdl-1.2.11-libcaca.patch,v 1.1 2006/09/18 16:06:06 mr_bones_ Exp $";
+#endif
+
+#ifndef _SDL_cacavideo_h
+#define _SDL_cacavideo_h
+
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "SDL_mutex.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+#include <caca.h>
+
+/* Hidden "this" pointer for the video functions */
+#define _THIS	SDL_VideoDevice *this
+
+#define SDL_NUMMODES 6
+
+/* Private display data */
+struct SDL_PrivateVideoData {
+	SDL_Rect *SDL_modelist[SDL_NUMMODES+1];
+	SDL_mutex *mutex;
+
+	struct caca_bitmap *bitmap;
+	void *buffer;
+	int w, h;
+
+	int lastkey;
+	struct timeval lasttime;
+};
+
+/* Old variable names */
+#define SDL_modelist		(this->hidden->SDL_modelist)
+#define Caca_palette		    (this->hidden->palette)
+#define Caca_bitmap		    (this->hidden->bitmap)
+#define Caca_buffer		    (this->hidden->buffer)
+
+#define Caca_w		    (this->hidden->w)
+#define Caca_h		    (this->hidden->h)
+
+#define Caca_lastkey		    (this->hidden->lastkey)
+#define Caca_lasttime		    (this->hidden->lasttime)
+
+#define Caca_mutex		    (this->hidden->mutex)
+
+#endif /* _SDL_cacavideo_h */
+
--- SDL-1.2.10/src/video/SDL_sysvideo.h
+++ SDL-1.2.10/src/video/SDL_sysvideo.h
@@ -404,6 +404,9 @@ extern VideoBootStrap OS2FSLib_bootstrap
 #if SDL_VIDEO_DRIVER_AALIB
 extern VideoBootStrap AALIB_bootstrap;
 #endif
+#if SDL_VIDEO_DRIVER_CACA
+extern VideoBootStrap CACA_bootstrap;
+#endif
 #if SDL_VIDEO_DRIVER_DUMMY
 extern VideoBootStrap DUMMY_bootstrap;
 #endif
--- SDL-1.2.10/src/video/SDL_video.c
+++ SDL-1.2.10/src/video/SDL_video.c
@@ -120,6 +120,9 @@ static VideoBootStrap *bootstrap[] = {
 #if SDL_VIDEO_DRIVER_AALIB
 	&AALIB_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_CACA
+	&CACA_bootstrap,
+#endif
 #if SDL_VIDEO_DRIVER_DUMMY
 	&DUMMY_bootstrap,
 #endif