#include "ShaderManager.h"
#if !(REMOVE_SHADER_MANAGER)

#include "../VideoShader.h"


namespace FAV {
class ShaderManager::Private
{
public:
    ~Private() {
        // TODO: thread safe required?
        qDeleteAll(shader_cache.values());
        shader_cache.clear();
    }

    QHash<qint32, VideoShader*> shader_cache;
};

ShaderManager::ShaderManager(QObject *parent) :
    QObject(parent)
  , d(new Private())
{
#if (MODEL_360)
    dualMode = 0;
#endif
}

ShaderManager::~ShaderManager()
{
    delete d;
    d = 0;
}

VideoShader* ShaderManager::prepareMaterial(VideoMaterial *material, qint32 materialType)
{

#if (MODEL_360)
    qint32 type = materialType != -1 ? materialType : material->type();
    if(dualMode == 1)
    {
        type = 9999;
    }
#else
    const qint32 type = materialType != -1 ? materialType : material->type();
#endif
    VideoShader *shader = d->shader_cache.value(type, 0);
    if (shader)
    {
        return shader;
    }
#if (DEBUG_SHADER_MANAGER)
    qDebug() << QString("[ShaderManager] cache a new shader material type(%1): %2").arg(type).arg(VideoMaterial::typeName(type));
#endif
    shader = material->createShader();
#if (MODEL_360)
    shader->dualMode = dualMode;
#endif
    shader->initialize();
    d->shader_cache[type] = shader;
    return shader;
}
} //namespace FAV
#endif //#if !(REMOVE_VIDEO_SHADER)