source: scripts/untested/blfs-patches/patch-libsdl1.2-libcaca0.7.patch@ d285e92

libsdl1.2-1.2.

@@ -952 +952 @@
     fi
 }
 
+dnl Find the libcaca includes
+CheckCaca()
+{
+    AC_ARG_ENABLE(video-caca,
+[  --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
+        AC_MSG_CHECKING(for libcaca support)
+        video_caca=no
+        AC_TRY_COMPILE([
+         #include <caca.h>
+        ],[
+        ],[
+        video_caca=yes
+        ])
+        AC_MSG_RESULT($video_caca)
+        if test x$video_caca = xyes; then
+            CFLAGS="$CFLAGS -DENABLE_CACA `caca-config --cflags`"
+            SYSTEM_LIBS="$SYSTEM_LIBS `caca-config --plugin-libs`"
+
+            VIDEO_SUBDIRS="$VIDEO_SUBDIRS caca"
+            VIDEO_DRIVERS="$VIDEO_DRIVERS caca/libvideo_caca.la"
+        fi
+    fi
+}
+
 dnl Set up the Atari Xbios driver
 CheckAtariXbiosVideo()
 {
@@ -1738 +1764 @@
         CheckGGI
         CheckSVGA
         CheckAAlib
+        CheckCaca
         CheckQtopia
         CheckPicoGUI
         CheckOpenGL
@@ -1819 +1846 @@
         CheckDGA
         CheckSVGA
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -1865 +1893 @@
         CheckDGA
         CheckSVGA
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         CheckUSBHID
@@ -1903 +1932 @@
         CheckNAS
         CheckX11
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         CheckUSBHID
@@ -1945 +1975 @@
         CheckNAS
         CheckX11
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         CheckUSBHID
@@ -1988 +2019 @@
         CheckNAS
         CheckX11
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -2031 +2063 @@
         CheckNAS
         CheckX11
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -2071 +2104 @@
         CheckNAS
         CheckX11
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -2123 +2157 @@
         CheckX11
         CheckGGI
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -2164 +2199 @@
         CheckX11
         CheckGGI
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         # Set up files for the main() stub
@@ -2202 +2238 @@
         CheckX11
         CheckGGI
         CheckAAlib
+        CheckCaca
         CheckOpenGL
         CheckPTHREAD
         SDL_LIBS="$SDL_LIBS -lrt"
@@ -2709 +2746 @@
 src/video/aalib/Makefile
 src/video/ataricommon/Makefile
 src/video/bwindow/Makefile
+src/video/caca/Makefile
 src/video/cybergfx/Makefile
 src/video/dc/Makefile
 src/video/dga/Makefile

src/video/Makefile.am

@@ -5 +5 @@
 
 # Define which subdirectories need to be built
 SUBDIRS = @VIDEO_SUBDIRS@
-DIST_SUBDIRS = dummy x11 dga nanox fbcon directfb vgl svga ggi aalib \
+DIST_SUBDIRS = dummy x11 dga nanox fbcon directfb vgl svga ggi aalib caca \
                wincommon windib windx5 \
                maccommon macdsp macrom riscos quartz \
                bwindow ps2gs photon cybergfx epoc picogui \

src/video/SDL_sysvideo.h

@@ -359 +359 @@
 #ifdef ENABLE_AALIB
 extern VideoBootStrap AALIB_bootstrap;
 #endif
+#ifdef ENABLE_CACA
+extern VideoBootStrap Caca_bootstrap;
+#endif
 #ifdef ENABLE_WINDIB
 extern VideoBootStrap WINDIB_bootstrap;
 #endif

src/video/SDL_video.c

@@ -78 +78 @@
 #ifdef ENABLE_AALIB
         &AALIB_bootstrap,
 #endif
+#ifdef ENABLE_CACA
+        &Caca_bootstrap,
+#endif
 #ifdef ENABLE_DIRECTX
         &DIRECTX_bootstrap,
 #endif

src/video/caca/Makefile.am

@@ +1 @@
+
+## Makefile.am for SDL using the libcaca video driver
+
+noinst_LTLIBRARIES = libvideo_caca.la
+libvideo_caca_la_SOURCES = $(CACA_SRCS)
+
+# The SDL libcaca video driver sources
+CACA_SRCS =                     \
+        SDL_cacavideo.h         \
+        SDL_cacaevents.c        \
+        SDL_cacaevents_c.h      \
+        SDL_cacavideo.c
+

src/video/caca/SDL_cacaevents.c

@@ +1 @@
+/*
+    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: patch-libsdl1.2-libcaca0.7.diff 809 2005-03-23 11:07:40Z sam $";
+#endif
+
+#include <stdio.h>
+
+#include <caca.h>
+
+#include "SDL.h"
+#include "SDL_sysevents.h"
+#include "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;
+}
+

src/video/caca/SDL_cacaevents_c.h

@@ +1 @@
+/*
+    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: patch-libsdl1.2-libcaca0.7.diff 809 2005-03-23 11:07:40Z sam $";
+#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);

src/video/caca/SDL_cacavideo.c

@@ +1 @@
+/*
+    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: patch-libsdl1.2-libcaca0.7.diff 809 2005-03-23 11:07:40Z sam $";
+#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 "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);
+}

src/video/caca/SDL_cacavideo.h

@@ +1 @@
+/*
+    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: patch-libsdl1.2-libcaca0.7.diff 809 2005-03-23 11:07:40Z sam $";
+#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 */