mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-15 14:28:28 +00:00
88913c0139
This tries to make our code a bit more compliant with our code formatting conventions. For future use, this is the command I used: git ls-files "*.cpp" "*.h" | xargs sed -i -e 's/[ \t]*$//'
134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
|
|
* This program 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 General Public License for more details.
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
#if defined(DYNAMIC_MODULES)
|
|
|
|
#include "backends/plugins/dynamic-plugin.h"
|
|
#include "common/fs.h"
|
|
|
|
#include "dcloader.h"
|
|
|
|
extern void draw_solid_quad(float x1, float y1, float x2, float y2,
|
|
int c0, int c1, int c2, int c3);
|
|
|
|
static void drawPluginProgress(const Common::String &filename)
|
|
{
|
|
ta_sync();
|
|
void *mark = ta_txmark();
|
|
const char *fn = filename.c_str();
|
|
Label lab1, lab2, lab3;
|
|
char buf[32];
|
|
unsigned memleft = 0x8cf00000-((unsigned)sbrk(0));
|
|
float ffree = memleft*(1.0/(16<<20));
|
|
int fcol = (memleft < (1<<20)? 0xffff0000:
|
|
(memleft < (4<<20)? 0xffffff00: 0xff00ff00));
|
|
snprintf(buf, sizeof(buf), "%dK free memory", memleft>>10);
|
|
if (fn[0] == '/') fn++;
|
|
lab1.create_texture("Loading plugins, please wait...");
|
|
lab2.create_texture(fn);
|
|
lab3.create_texture(buf);
|
|
ta_begin_frame();
|
|
draw_solid_quad(80.0, 270.0, 560.0, 300.0,
|
|
0xff808080, 0xff808080, 0xff808080, 0xff808080);
|
|
draw_solid_quad(85.0, 275.0, 555.0, 295.0,
|
|
0xff202020, 0xff202020, 0xff202020, 0xff202020);
|
|
draw_solid_quad(85.0, 275.0, 85.0+470.0*ffree, 295.0,
|
|
fcol, fcol, fcol, fcol);
|
|
ta_commit_end();
|
|
lab1.draw(100.0, 150.0, 0xffffffff);
|
|
lab2.draw(100.0, 190.0, 0xffaaffaa);
|
|
lab3.draw(100.0, 230.0, 0xffffffff);
|
|
ta_commit_frame();
|
|
ta_sync();
|
|
ta_txrelease(mark);
|
|
}
|
|
|
|
|
|
class OSystem_Dreamcast::DCPlugin : public DynamicPlugin {
|
|
protected:
|
|
void *_dlHandle;
|
|
|
|
virtual VoidFunc findSymbol(const char *symbol) {
|
|
void *func = dlsym(_dlHandle, symbol);
|
|
if (!func)
|
|
warning("Failed loading symbol '%s' from plugin '%s' (%s)", symbol, _filename.c_str(), dlerror());
|
|
|
|
// FIXME HACK: This is a HACK to circumvent a clash between the ISO C++
|
|
// standard and POSIX: ISO C++ disallows casting between function pointers
|
|
// and data pointers, but dlsym always returns a void pointer. For details,
|
|
// see e.g. <http://www.trilithium.com/johan/2004/12/problem-with-dlsym/>.
|
|
assert(sizeof(VoidFunc) == sizeof(func));
|
|
VoidFunc tmp;
|
|
memcpy(&tmp, &func, sizeof(VoidFunc));
|
|
return tmp;
|
|
}
|
|
|
|
public:
|
|
DCPlugin(const Common::String &filename)
|
|
: DynamicPlugin(filename), _dlHandle(0) {}
|
|
|
|
bool loadPlugin() {
|
|
assert(!_dlHandle);
|
|
drawPluginProgress(_filename);
|
|
_dlHandle = dlopen(_filename.c_str(), RTLD_LAZY);
|
|
|
|
if (!_dlHandle) {
|
|
warning("Failed loading plugin '%s' (%s)", _filename.c_str(), dlerror());
|
|
return false;
|
|
}
|
|
|
|
bool ret = DynamicPlugin::loadPlugin();
|
|
|
|
if (ret)
|
|
dlforgetsyms(_dlHandle);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void unloadPlugin() {
|
|
DynamicPlugin::unloadPlugin();
|
|
if (_dlHandle) {
|
|
if (dlclose(_dlHandle) != 0)
|
|
warning("Failed unloading plugin '%s' (%s)", _filename.c_str(), dlerror());
|
|
_dlHandle = 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
Plugin* OSystem_Dreamcast::createPlugin(const Common::FSNode &node) const {
|
|
return new DCPlugin(node.getPath());
|
|
}
|
|
|
|
bool OSystem_Dreamcast::isPluginFilename(const Common::FSNode &node) const {
|
|
// Check the plugin suffix
|
|
Common::String filename = node.getName();
|
|
if (!filename.hasSuffix(".PLG"))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif // defined(DYNAMIC_MODULES)
|