OXYGENHUB
◆ main openmsx / src / video / OutputSurface.cc
571 B · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "OutputSurface.hh"
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namespace openmsx {
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void OutputSurface::calculateViewPort(gl::ivec2 logSize_, gl::ivec2 physSize_)
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{
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	m_logicalSize = logSize_;
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	m_physSize = physSize_;
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	gl::vec2 logSize(logSize_); // convert int->float
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	gl::vec2 physSize(physSize_);
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	float scale = min_component(physSize / logSize);
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	m_viewScale = gl::vec2(scale); // for now always same X and Y scale
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	gl::vec2 viewSize = logSize * scale;
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	m_viewSize = round(viewSize);
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	gl::vec2 viewOffset = (physSize - viewSize) * 0.5f;
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	m_viewOffset = round(viewOffset);
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}
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} // namespace openmsx