#include "OffScreenSurface.hh"

#include "GLUtil.hh"

#include "VisibleSurface.hh"

namespace openmsx {

OffScreenSurface::OffScreenSurface(const OutputSurface& output)

	: fboTex(true) // enable interpolation   TODO why?

{

	calculateViewPort(output.getLogicalSize(), output.getPhysicalSize());

	auto [w, h] = getPhysicalSize();

	fboTex.bind();

	glTexImage2D(GL_TEXTURE_2D,    // target

	             0,                // level

	             GL_RGB,           // internal format

	             w,                // width

	             h,                // height

	             0,                // border

	             GL_RGB,           // format

	             GL_UNSIGNED_BYTE, // type

	             nullptr);         // data

	fbo = gl::FrameBufferObject(fboTex);

	fbo.push();

}

void OffScreenSurface::saveScreenshot(const std::string& filename)

{

	VisibleSurface::saveScreenshotGL(*this, filename);

}

} // namespace openmsx