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// metal-shader-program.cpp
#include "metal-shader-program.h"
#include "metal-device.h"
namespace gfx
{
using namespace Slang;
namespace metal
{
ShaderProgramImpl::ShaderProgramImpl(DeviceImpl* device)
: m_device(device)
{
}
ShaderProgramImpl::~ShaderProgramImpl()
{
}
void ShaderProgramImpl::comFree() { }
Result ShaderProgramImpl::createShaderModule(
slang::EntryPointReflection* entryPointInfo, ComPtr<ISlangBlob> kernelCode)
{
if (entryPointInfo == nullptr || kernelCode == nullptr || kernelCode->getBufferSize() == 0)
{
return SLANG_E_INVALID_ARG;
}
auto realEntryPointName = entryPointInfo->getNameOverride();
std::string sourceStr(static_cast<const char*>(kernelCode->getBufferPointer()), kernelCode->getBufferSize());
NS::String *nsSourceString = NS::String::alloc()->init(sourceStr.c_str(), NS::UTF8StringEncoding);
NS::Error* error;
MTL::Library* library = m_device->m_device->newLibrary(nsSourceString, nullptr, &error);
if (library == nullptr)
{
std::cout << error->localizedDescription()->utf8String() << std::endl;
return SLANG_E_INVALID_ARG;
}
m_entryPointNames.add(realEntryPointName);
m_modules.add(library);
return SLANG_OK;
}
} // namespace metal
} // namespace gfx
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