BackendFactory.cpp

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#include "RayTracingBackend.h"
#include "OptiX6Backend.h"
 
// Future backend implementations
// #include "OptiX7Backend.h"
// #include "VulkanBackend.h"
 
namespace helios {
 
    std::unique_ptr<RayTracingBackend> RayTracingBackend::create(const std::string &backend_type) {
 
        // OptiX 6.5 backend (current implementation)
        if (backend_type == "optix6" || backend_type == "OptiX6" || backend_type == "optix" || backend_type == "OptiX") {
            return std::make_unique<OptiX6Backend>();
        }
 
        // Future backends:
 
        // OptiX 7.7 backend
        // else if (backend_type == "optix7" || backend_type == "OptiX7") {
        //     return std::make_unique<OptiX7Backend>();
        // }
 
        // Vulkan ray-tracing backend
        // else if (backend_type == "vulkan" || backend_type == "Vulkan") {
        //     return std::make_unique<VulkanBackend>();
        // }
 
        // Unknown backend type
        else {
            helios_runtime_error("ERROR (RayTracingBackend::create): Unknown ray tracing backend type '" + backend_type +
                                 "'. "
                                 "Supported backends: 'optix6' (OptiX 6.5)");
        }
 
        // Unreachable, but silence compiler warning
        return nullptr;
    }
 
} // namespace helios