public LibretroApi(string dllPath, string corePath)
{
InstanceName = "libretro_" + Guid.NewGuid().ToString();
var pipeName = InstanceName;
instanceDll = new InstanceDll(dllPath);
instanceDllCore = new InstanceDll(corePath);
var dllinit = (DllInit)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("DllInit"), typeof(DllInit));
Message = (MessageApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("Message"), typeof(MessageApi));
_copyBuffer = (BufferApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("CopyBuffer"), typeof(BufferApi));
_setBuffer = (BufferApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("SetBuffer"), typeof(BufferApi));
SetVariable = (SetVariableApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("SetVariable"), typeof(SetVariableApi));
comm = (CommStruct *)dllinit(instanceDllCore.HModule).ToPointer();
//TODO: (stash function pointers locally and thunk to IntPtr)
//ALSO: this should be done by the core, I think, not the API. No smarts should be in here
comm->env.retro_perf_callback.get_cpu_features = IntPtr.Zero;
//retro_perf_callback.get_cpu_features = new LibRetro.retro_get_cpu_features_t(() => (ulong)(
// (Win32PInvokes.IsProcessorFeaturePresent(Win32PInvokes.ProcessorFeature.InstructionsXMMIAvailable) ? LibRetro.RETRO_SIMD.SSE : 0) |
// (Win32PInvokes.IsProcessorFeaturePresent(Win32PInvokes.ProcessorFeature.InstructionsXMMI64Available) ? LibRetro.RETRO_SIMD.SSE2 : 0) |
// (Win32PInvokes.IsProcessorFeaturePresent(Win32PInvokes.ProcessorFeature.InstructionsSSE3Available) ? LibRetro.RETRO_SIMD.SSE3 : 0) |
// (Win32PInvokes.IsProcessorFeaturePresent(Win32PInvokes.ProcessorFeature.InstructionsMMXAvailable) ? LibRetro.RETRO_SIMD.MMX : 0)
// ));
//retro_perf_callback.get_perf_counter = new LibRetro.retro_perf_get_counter_t(() => System.Diagnostics.Stopwatch.GetTimestamp());
//retro_perf_callback.get_time_usec = new LibRetro.retro_perf_get_time_usec_t(() => DateTime.Now.Ticks / 10);
//retro_perf_callback.perf_log = new LibRetro.retro_perf_log_t(() => { });
//retro_perf_callback.perf_register = new LibRetro.retro_perf_register_t((ref LibRetro.retro_perf_counter counter) => { });
//retro_perf_callback.perf_start = new LibRetro.retro_perf_start_t((ref LibRetro.retro_perf_counter counter) => { });
//retro_perf_callback.perf_stop = new LibRetro.retro_perf_stop_t((ref LibRetro.retro_perf_counter counter) => { });
}
public void Dispose()
{
if (!_disposed)
{
_disposed = true;
_exe.Dispose();
_exe = null;
_core = null;
_comm = null;
}
}
BufferApi _setBuffer; //TODO: consider making private and wrapping
public LibsnesApi(string dllPath)
{
InstanceName = "libsneshawk_" + Guid.NewGuid().ToString();
instanceDll = new InstanceDll(dllPath);
var dllinit = (DllInit)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("DllInit"), typeof(DllInit));
Message = (MessageApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("Message"), typeof(MessageApi));
_copyBuffer = (BufferApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("CopyBuffer"), typeof(BufferApi));
_setBuffer = (BufferApi)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddress("SetBuffer"), typeof(BufferApi));
comm = (CommStruct *)dllinit().ToPointer();
}
public LibsnesApi(string dllPath)
{
_exe = new PeRunner(new PeRunnerOptions
{
Filename = "libsnes.wbx",
Path = dllPath,
SbrkHeapSizeKB = 4 * 1024,
InvisibleHeapSizeKB = 8 * 1024,
MmapHeapSizeKB = 32 * 1024, // TODO: see if we can safely make libco stacks smaller
PlainHeapSizeKB = 2 * 1024, // TODO: wasn't there more in here?
SealedHeapSizeKB = 128 * 1024
});
using (_exe.EnterExit())
{
// Marshal checks that function pointers passed to GetDelegateForFunctionPointer are
// _currently_ valid when created, even though they don't need to be valid until
// the delegate is later invoked. so GetInvoker needs to be acquired within a lock.
_core = BizInvoker.GetInvoker <CoreImpl>(_exe, _exe, CallingConventionAdapters.Waterbox);
_comm = (CommStruct *)_core.DllInit().ToPointer();
}
}
public LibsnesApi(string dllPath, CoreComm comm, IEnumerable <Delegate> allCallbacks)
{
_exe = new WaterboxHost(new WaterboxOptions
{
Filename = "libsnes.wbx",
Path = dllPath,
SbrkHeapSizeKB = 4 * 1024,
InvisibleHeapSizeKB = 8 * 1024,
MmapHeapSizeKB = 32 * 1024, // TODO: see if we can safely make libco stacks smaller
PlainHeapSizeKB = 2 * 1024, // TODO: wasn't there more in here?
SealedHeapSizeKB = 128 * 1024,
SkipCoreConsistencyCheck = comm.CorePreferences.HasFlag(CoreComm.CorePreferencesFlags.WaterboxCoreConsistencyCheck),
SkipMemoryConsistencyCheck = comm.CorePreferences.HasFlag(CoreComm.CorePreferencesFlags.WaterboxMemoryConsistencyCheck),
});
using (_exe.EnterExit())
{
// Marshal checks that function pointers passed to GetDelegateForFunctionPointer are
// _currently_ valid when created, even though they don't need to be valid until
// the delegate is later invoked. so GetInvoker needs to be acquired within a lock.
_core = BizInvoker.GetInvoker <CoreImpl>(_exe, _exe, CallingConventionAdapters.MakeWaterbox(allCallbacks, _exe));
_comm = (CommStruct *)_core.DllInit().ToPointer();
}
}
public LibretroApi(string dllPath, string corePath)
{
T GetTypedDelegate <T>(string proc) where T : Delegate => (T)Marshal.GetDelegateForFunctionPointer(instanceDll.GetProcAddrOrThrow(proc), typeof(T));
InstanceName = "libretro_" + Guid.NewGuid();
var pipeName = InstanceName;
instanceDll = new InstanceDll(dllPath);
instanceDllCore = new InstanceDll(corePath);
Message = GetTypedDelegate <MessageApi>("Message");
_copyBuffer = GetTypedDelegate <BufferApi>("CopyBuffer");
_setBuffer = GetTypedDelegate <BufferApi>("SetBuffer");
SetVariable = GetTypedDelegate <SetVariableApi>("SetVariable");
comm = (CommStruct *)(OSTailoredCode.IsUnixHost
? GetTypedDelegate <DllInitUnix>("DllInit")(corePath)
: GetTypedDelegate <DllInit>("DllInit")(instanceDllCore.HModule)).ToPointer();
//TODO: (stash function pointers locally and thunk to IntPtr)
//ALSO: this should be done by the core, I think, not the API. No smarts should be in here
comm->env.retro_perf_callback.get_cpu_features = IntPtr.Zero;
//retro_perf_callback.get_cpu_features = new LibRetro.retro_get_cpu_features_t(() => (ulong)(
// (ProcessorFeatureImports.IsProcessorFeaturePresent(ProcessorFeatureImports.ProcessorFeature.InstructionsXMMIAvailable) ? LibRetro.RETRO_SIMD.SSE : 0) |
// (ProcessorFeatureImports.IsProcessorFeaturePresent(ProcessorFeatureImports.ProcessorFeature.InstructionsXMMI64Available) ? LibRetro.RETRO_SIMD.SSE2 : 0) |
// (ProcessorFeatureImports.IsProcessorFeaturePresent(ProcessorFeatureImports.ProcessorFeature.InstructionsSSE3Available) ? LibRetro.RETRO_SIMD.SSE3 : 0) |
// (ProcessorFeatureImports.IsProcessorFeaturePresent(ProcessorFeatureImports.ProcessorFeature.InstructionsMMXAvailable) ? LibRetro.RETRO_SIMD.MMX : 0)
// ));
//retro_perf_callback.get_perf_counter = new LibRetro.retro_perf_get_counter_t(() => System.Diagnostics.Stopwatch.GetTimestamp());
//retro_perf_callback.get_time_usec = new LibRetro.retro_perf_get_time_usec_t(() => DateTime.Now.Ticks / 10);
//retro_perf_callback.perf_log = new LibRetro.retro_perf_log_t(() => { });
//retro_perf_callback.perf_register = new LibRetro.retro_perf_register_t((ref LibRetro.retro_perf_counter counter) => { });
//retro_perf_callback.perf_start = new LibRetro.retro_perf_start_t((ref LibRetro.retro_perf_counter counter) => { });
//retro_perf_callback.perf_stop = new LibRetro.retro_perf_stop_t((ref LibRetro.retro_perf_counter counter) => { });
}
