#include "GLScalerFactory.hh"

#include "GLContext.hh"

#include "GLHQScaler.hh"

#include "GLRGBScaler.hh"

#include "GLScaleNxScaler.hh"

#include "GLSimpleScaler.hh"

#include "GLTVScaler.hh"

#include "RenderSettings.hh"

#include "unreachable.hh"

#include <memory>

namespace openmsx::GLScalerFactory {

std::unique_ptr<GLScaler> createScaler(

	RenderSettings& renderSettings, unsigned maxWidth, unsigned maxHeight)

{

	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, maxWidth, maxHeight);

	default:

		UNREACHABLE;

	}

}

} // namespace openmsx::GLScalerFactory