#include "d3d_device.h"
#include "common.h"

static Microsoft::WRL::ComPtr<ID3D11Device> g_device;
static Microsoft::WRL::ComPtr<ID3D11DeviceContext> g_context;
static bool g_initialized = false;
static bool g_available = false;

bool InitializeD3D() {
    if (g_initialized) return g_available;
    g_initialized = true;

    D3D_FEATURE_LEVEL featureLevel;
    HRESULT hr = D3D11CreateDevice(
        nullptr,
        D3D_DRIVER_TYPE_HARDWARE,
        nullptr,
        D3D11_CREATE_DEVICE_BGRA_SUPPORT,
        nullptr, 0,
        D3D11_SDK_VERSION,
        &g_device,
        &featureLevel,
        &g_context
    );

    if (FAILED(hr)) {
        DWM_LOG("ERROR: D3D11CreateDevice failed (HRESULT=0x%08lX)", hr);
        g_available = false;
        return false;
    }

    DWM_LOG("D3D11 device created (feature level 0x%X)", static_cast<int>(featureLevel));
    g_available = true;
    return true;
}

Microsoft::WRL::ComPtr<ID3D11Device> GetD3DDevice() { return g_device; }
Microsoft::WRL::ComPtr<ID3D11DeviceContext> GetD3DContext() { return g_context; }
bool IsD3DAvailable() { return g_available; }