diff options
Diffstat (limited to 'kms++/src/modedb.cpp')
-rw-r--r-- | kms++/src/modedb.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/kms++/src/modedb.cpp b/kms++/src/modedb.cpp new file mode 100644 index 0000000..24d6f63 --- /dev/null +++ b/kms++/src/modedb.cpp @@ -0,0 +1,41 @@ +#include <xf86drm.h> +#include <stdexcept> + +#include <kms++/modedb.h> + +using namespace std; + +namespace kms +{ + +static const Videomode& find_from_table(const Videomode* modes, uint32_t width, uint32_t height, uint32_t refresh, bool ilace) +{ + for (unsigned i = 0; modes[i].clock; ++i) { + const Videomode& m = modes[i]; + + if (m.hdisplay != width || m.vdisplay != height) + continue; + + if (refresh && m.vrefresh != refresh) + continue; + + if (ilace != !!(m.flags & DRM_MODE_FLAG_INTERLACE)) + continue; + + return m; + } + + throw invalid_argument("mode not found"); +} + +const Videomode& find_dmt(uint32_t width, uint32_t height, uint32_t refresh, bool ilace) +{ + return find_from_table(dmt_modes, width, height, refresh, ilace); +} + +const Videomode& find_cea(uint32_t width, uint32_t height, uint32_t refresh, bool ilace) +{ + return find_from_table(cea_modes, width, height, refresh, ilace); +} + +} |