#include "GLScaleNxScaler.hh"

namespace openmsx {

GLScaleNxScaler::GLScaleNxScaler(GLScaler& fallback_)

	: GLScaler("scale2x")

	, fallback(fallback_)

{

}

void GLScaleNxScaler::scaleImage(

	gl::ColorTexture& src, gl::ColorTexture* superImpose,

	unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,

	unsigned dstStartY, unsigned dstEndY, unsigned dstWidth,

	unsigned logSrcHeight)

{

	if ((srcWidth % 320) == 0) {

		setup(superImpose != nullptr);

		execute(src, superImpose,

		        srcStartY, srcEndY, srcWidth,

		        dstStartY, dstEndY, dstWidth,

		        logSrcHeight);

	} else {

		fallback.scaleImage(src, superImpose,

		                    srcStartY, srcEndY, srcWidth,

		                    dstStartY, dstEndY, dstWidth,

		                    logSrcHeight);

	}

}

} // namespace openmsx