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#include "slang-rt.h"
#include "../core/slang-basic.h"
#include "../core/slang-shared-library.h"
#if SLANG_WINDOWS_FAMILY
# include <Windows.h>
#endif
using namespace Slang;
Dictionary<String, ComPtr<ISlangSharedLibrary>> slangRT_loadedLibraries;
extern "C"
{
SLANG_RT_API void SLANG_MCALL _slang_rt_abort(Slang::String errorMessage)
{
fprintf(stderr, "%s", errorMessage.getBuffer());
#if SLANG_WINDOWS_FAMILY
MessageBoxA(0, errorMessage.getBuffer(), "Slang Runtime Error", MB_ICONERROR);
#endif
abort();
}
SLANG_RT_API void* SLANG_MCALL _slang_rt_load_dll(Slang::String modulePath)
{
ComPtr<ISlangSharedLibrary> lib;
if (!slangRT_loadedLibraries.TryGetValue(modulePath, lib))
{
if (DefaultSharedLibraryLoader::getSingleton()->loadSharedLibrary(
modulePath.getBuffer(), lib.writeRef()) != SLANG_OK)
{
_slang_rt_abort("Failed to load DLL \"" + modulePath + "\"");
}
slangRT_loadedLibraries[modulePath] = lib;
}
return lib.get();
}
SLANG_RT_API void* SLANG_MCALL
_slang_rt_load_dll_func(void* moduleHandle, Slang::String funcName, uint32_t argSize)
{
if (moduleHandle == nullptr)
{
moduleHandle = _slang_rt_load_dll("");
}
auto lib = static_cast<ISlangSharedLibrary*>(moduleHandle);
auto funcPtr = lib->findFuncByName(funcName.getBuffer());
if (!funcPtr)
{
// If failed, try stdcall mangled name.
StringBuilder sb;
sb << "_" << funcName << "@" << argSize;
funcPtr = lib->findFuncByName(sb.ToString().getBuffer());
}
if (!funcPtr)
{
_slang_rt_abort("Cannot find function \"" + funcName + "\" in loaded library.");
}
return (void*)funcPtr;
}
}
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