1 files changed, 91 insertions, 0 deletions
diff --git a/tools/gfx/cuda/cuda-helper-functions.cpp b/tools/gfx/cuda/cuda-helper-functions.cpp
new file mode 100644
index 000000000..6325d9fc6
--- /dev/null
+++ b/tools/gfx/cuda/cuda-helper-functions.cpp
@@ -0,0 +1,91 @@
+// cuda-helper-functions.cpp
+#include "cuda-helper-functions.h"
+
+#include "cuda-device.h"
+
+namespace gfx
+{
+#ifdef GFX_ENABLE_CUDA
+using namespace Slang;
+
+namespace cuda
+{
+SlangResult CUDAErrorInfo::handle() const
+{
+    StringBuilder builder;
+    builder << "Error: " << m_filePath << " (" << m_lineNo << ") :";
+
+    if (m_errorName)
+    {
+        builder << m_errorName << " : ";
+    }
+    if (m_errorString)
+    {
+        builder << m_errorString;
+    }
+
+    getDebugCallback()->handleMessage(DebugMessageType::Error, DebugMessageSource::Driver,
+        builder.getUnownedSlice().begin());
+
+    // Slang::signalUnexpectedError(builder.getBuffer());
+    return SLANG_FAIL;
+}
+
+SlangResult _handleCUDAError(CUresult cuResult, const char* file, int line)
+{
+    CUDAErrorInfo info(file, line);
+    cuGetErrorString(cuResult, &info.m_errorString);
+    cuGetErrorName(cuResult, &info.m_errorName);
+    return info.handle();
+}
+
+SlangResult _handleCUDAError(cudaError_t error, const char* file, int line)
+{
+    return CUDAErrorInfo(file, line, cudaGetErrorName(error), cudaGetErrorString(error)).handle();
+}
+
+#    ifdef RENDER_TEST_OPTIX
+
+static bool _isError(OptixResult result)
+{
+    return result != OPTIX_SUCCESS;
+}
+
+#        if 1
+static SlangResult _handleOptixError(OptixResult result, char const* file, int line)
+{
+    fprintf(
+        stderr,
+        "%s(%d): optix: %s (%s)\n",
+        file,
+        line,
+        optixGetErrorString(result),
+        optixGetErrorName(result));
+    return SLANG_FAIL;
+}
+
+void _optixLogCallback(unsigned int level, const char* tag, const char* message, void* userData)
+{
+    fprintf(stderr, "optix: %s (%s)\n", message, tag);
+}
+#       endif
+#    endif
+} // namespace cuda
+
+Result SLANG_MCALL createCUDADevice(const IDevice::Desc* desc, IDevice** outDevice)
+{
+RefPtr<cuda::DeviceImpl> result = new cuda::DeviceImpl();
+SLANG_RETURN_ON_FAIL(result->initialize(*desc));
+returnComPtr(outDevice, result);
+return SLANG_OK;
+}
+#else
+Result SLANG_MCALL createCUDADevice(const IDevice::Desc* desc, IDevice** outDevice)
+{
+SLANG_UNUSED(desc);
+*outDevice = nullptr;
+return SLANG_FAIL;
+}
+#endif
+
+} // namespace gfx