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#include <xf86drm.h>
#include <stdexcept>
#include <cmath>
#include <kms++/modedb.h>
using namespace std;
namespace kms
{
static const Videomode& find_from_table(const Videomode* modes, uint32_t width, uint32_t height, float vrefresh, bool ilace)
{
for (unsigned i = 0; modes[i].clock; ++i) {
const Videomode& m = modes[i];
if (m.hdisplay != width || m.vdisplay != height)
continue;
if (ilace != m.interlace())
continue;
if (vrefresh && vrefresh != m.calculated_vrefresh())
continue;
return m;
}
// If not found, do another round using rounded vrefresh
for (unsigned i = 0; modes[i].clock; ++i) {
const Videomode& m = modes[i];
if (m.hdisplay != width || m.vdisplay != height)
continue;
if (ilace != m.interlace())
continue;
if (vrefresh && vrefresh != roundf(m.calculated_vrefresh()))
continue;
return m;
}
throw invalid_argument("mode not found");
}
const Videomode& find_dmt(uint32_t width, uint32_t height, float vrefresh, bool ilace)
{
return find_from_table(dmt_modes, width, height, vrefresh, ilace);
}
const Videomode& find_cea(uint32_t width, uint32_t height, float vrefresh, bool ilace)
{
return find_from_table(cea_modes, width, height, vrefresh, ilace);
}
} // namespace kms
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