app_config.cpp

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#include "config/app_config.h"
#include <spdlog/spdlog.h>
 
namespace CaptureMoment::Core::Config {
 
// ============================================================
// Static Member Initialization
// ============================================================
 
 
Halide::Target AppConfig::s_halide_target = Halide::get_host_target();
 
// ============================================================
// Singleton Instance
// ============================================================
 
AppConfig& AppConfig::instance()
{
    // C++11 Magic Static: Thread-safe initialization.
    static AppConfig s_instance;
    return s_instance;
}
 
// ============================================================
// Backend Configuration
// ============================================================
 
void AppConfig::setProcessingBackend(Common::MemoryType backend)
{
    if (m_processing_backend != backend)
    {
        m_processing_backend = backend;
 
        const auto backend_str = (backend == Common::MemoryType::CPU_RAM)
                                     ? "CPU_RAM"
                                     : "GPU_MEMORY";
 
        spdlog::info("[AppConfig] Processing backend changed to: {}", backend_str);
    }
}
 
Common::MemoryType AppConfig::getProcessingBackend() const noexcept
{
    return m_processing_backend;
}
 
// ============================================================
// Halide Target Configuration
// ============================================================
 
void AppConfig::setHalideTarget(const Halide::Target& target)
{
    // Update the global static target
    s_halide_target = target;
 
    // Log the specific features configured in this target (helpful for debugging)
    std::string features_str;
    if (target.has_feature(Halide::Target::CUDA)) features_str += "CUDA ";
    if (target.has_feature(Halide::Target::OpenCL)) features_str += "OpenCL ";
    if (target.has_feature(Halide::Target::Vulkan)) features_str += "Vulkan ";
    if (target.has_feature(Halide::Target::Metal)) features_str += "Metal ";
    if (target.has_feature(Halide::Target::D3D12Compute)) features_str += "DirectX12 ";
 
    spdlog::info("[AppConfig] Halide Target updated. Architecture: {}, Features: [{}]",
                 target.to_string(), features_str);
}
 
const Halide::Target& AppConfig::getHalideTarget()
{
    return s_halide_target;
}
 
// ============================================================
// Testing Utilities
// ============================================================
 
#ifdef ENABLE_TESTS
void AppConfig::reset()
{
    spdlog::debug("[AppConfig] Resetting configuration to defaults.");
 
    // Reset backend to default
    m_processing_backend = Common::MemoryType::CPU_RAM;
 
    // Reset target to default host (removes GPU features)
    s_halide_target = Halide::get_host_target();
}
#endif
 
} // namespace CaptureMoment::Core::Config