GLScalerFactory.cc

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#include "GLScalerFactory.hh"
#include "GLSimpleScaler.hh"
#include "GLRGBScaler.hh"
#include "GLScaleNxScaler.hh"
#include "GLTVScaler.hh"
#include "GLHQScaler.hh"
#include "GLHQLiteScaler.hh"
#include "GLContext.hh"
#include "RenderSettings.hh"
#include "unreachable.hh"
#include <memory>
 
namespace openmsx::GLScalerFactory {
 
std::unique_ptr<GLScaler> createScaler(RenderSettings& renderSettings)
{
        GLScaler& fallback = gl::context->getFallbackScaler();
        switch (renderSettings.getScaleAlgorithm()) {
        using enum RenderSettings::ScaleAlgorithm;
        case SIMPLE:
                return std::make_unique<GLSimpleScaler>(renderSettings, fallback);
        case RGBTRIPLET:
                return std::make_unique<GLRGBScaler>(renderSettings, fallback);
        case SCALE:
                return std::make_unique<GLScaleNxScaler>(fallback);
        case TV:
                return std::make_unique<GLTVScaler>(renderSettings);
        case HQ:
                return std::make_unique<GLHQScaler>(fallback);
        case HQLITE:
                return std::make_unique<GLHQLiteScaler>(fallback);
        default:
                UNREACHABLE;
        }
}
 
} // namespace openmsx::GLScalerFactory