Whoops, missing files from Couriersud's update

libsdl-org · Jan 5, 2009 · 662b498 · 662b498
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diff --git a/src/video/directfb/SDL_DirectFB_dyn.c b/src/video/directfb/SDL_DirectFB_dyn.c
@@ -0,0 +1,112 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2009 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_DirectFB_dyn.h"
+#include "SDL_DirectFB_video.h"
+
+#ifdef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC
+#include "SDL_name.h"
+#include "SDL_loadso.h"
+
+#define DFB_SYM(ret, name, args, al, func) ret (*name) args;
+static struct _SDL_DirectFB_Symbols
+{
+    DFB_SYMS const unsigned int *directfb_major_version;
+    const unsigned int *directfb_minor_version;
+    const unsigned int *directfb_micro_version;
+} SDL_DirectFB_Symbols;
+#undef DFB_SYM
+
+#define DFB_SYM(ret, name, args, al, func) ret name args { func SDL_DirectFB_Symbols.name al  ; }
+DFB_SYMS
+#undef DFB_SYM
+static void *handle = NULL;
+
+int
+SDL_DirectFB_LoadLibrary(void)
+{
+    int retval = 0;
+
+    if (handle == NULL) {
+        handle = SDL_LoadObject(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC);
+        if (handle != NULL) {
+            retval = 1;
+#define DFB_SYM(ret, name, args, al, func) if (!(SDL_DirectFB_Symbols.name = SDL_LoadFunction(handle, # name))) retval = 0;
+            DFB_SYMS
+#undef DFB_SYM
+                if (!
+                    (SDL_DirectFB_Symbols.directfb_major_version =
+                     SDL_LoadFunction(handle, "directfb_major_version")))
+                retval = 0;
+            if (!
+                (SDL_DirectFB_Symbols.directfb_minor_version =
+                 SDL_LoadFunction(handle, "directfb_minor_version")))
+                retval = 0;
+            if (!
+                (SDL_DirectFB_Symbols.directfb_micro_version =
+                 SDL_LoadFunction(handle, "directfb_micro_version")))
+                retval = 0;
+        }
+    }
+    if (retval) {
+        /* Version Check */
+        if ((*SDL_DirectFB_Symbols.directfb_major_version !=
+             DIRECTFB_MAJOR_VERSION)
+            || (*SDL_DirectFB_Symbols.directfb_minor_version !=
+                DIRECTFB_MINOR_VERSION)) {
+            fprintf(stderr,
+                    "DirectFB Lib: Version mismatch. Compiled: %d.%d.%d Library %d.%d.%d\n",
+                    DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION,
+                    DIRECTFB_MICRO_VERSION,
+                    *SDL_DirectFB_Symbols.directfb_major_version,
+                    *SDL_DirectFB_Symbols.directfb_minor_version,
+                    *SDL_DirectFB_Symbols.directfb_micro_version);
+            retval = 0;
+        }
+    }
+    if (!retval)
+        SDL_DirectFB_UnLoadLibrary();
+    return retval;
+}
+
+void
+SDL_DirectFB_UnLoadLibrary(void)
+{
+    if (handle != NULL) {
+        SDL_UnloadObject(handle);
+        handle = NULL;
+    }
+}
+
+#else
+int
+SDL_DirectFB_LoadLibrary(void)
+{
+    return 1;
+}
+
+void
+SDL_DirectFB_UnLoadLibrary(void)
+{
+}
+#endif
diff --git a/src/video/directfb/SDL_DirectFB_dyn.h b/src/video/directfb/SDL_DirectFB_dyn.h
@@ -0,0 +1,40 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2009 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+
+#ifndef _SDL_DirectFB_dyn_h
+#define _SDL_DirectFB_dyn_h
+
+#define DFB_SYMS \
+	DFB_SYM(DFBResult, DirectFBError, (const char *msg, DFBResult result), (msg, result), return) \
+	DFB_SYM(DFBResult, DirectFBErrorFatal, (const char *msg, DFBResult result), (msg, result), return) \
+	DFB_SYM(const char *, DirectFBErrorString, (DFBResult result), (result), return) \
+	DFB_SYM(const char *, DirectFBUsageString, ( void ), (), return) \
+	DFB_SYM(DFBResult, DirectFBInit, (int *argc, char *(*argv[]) ), (argc, argv), return) \
+	DFB_SYM(DFBResult, DirectFBSetOption, (const char *name, const char *value), (name, value), return) \
+	DFB_SYM(DFBResult, DirectFBCreate, (IDirectFB **interface), (interface), return)
+
+// #define SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC "/usr/lib/libdirectfb-1.2.so.0"
+
+int SDL_DirectFB_LoadLibrary(void);
+void SDL_DirectFB_UnLoadLibrary(void);
+
+#endif