#ifndef GRALLOC_ANDROID
#define GRALLOC_ANDROID

#include <hardware/gralloc.h>

class GrallocModule
{
public:
    static GrallocModule* getInstance();
    bool supportsConversion() const { return m_supportsConversion; }
    int lock(
        buffer_handle_t handle, int usage,
        int left, int top, int width, int height, void**vaddr) {
        return m_module->lock(m_module, handle, 0, left, top, width, height, vaddr);
    }

    int unlock(buffer_handle_t handle) {
        return m_module->unlock(m_module, handle);
    }

private:
    GrallocModule();
    bool m_supportsConversion;
    const gralloc_module_t* m_module;
};

#endif  // GRALLOC_ANDROID