diff options
author | cracyc <cracyc@users.noreply.github.com> | 2019-07-14 08:21:32 -0500 |
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committer | GitHub <noreply@github.com> | 2019-07-14 08:21:32 -0500 |
commit | aa0f72dcd13dcd23ec0468469faf7f3aaba27443 (patch) | |
tree | 5b5be5a76a394049cc39051ac93c664880f8a43d /src/frontend | |
parent | eb63d3999aebfad019237b37618715c878d6ccbe (diff) | |
parent | 33c9f2f0725d0b4b7125eb4bc7260452d3819d69 (diff) |
luaengine: video:size(), video:pixels(), screen:refresh_attoseconds() [vadosnaprimer] (#5334)
* luaengine: video:size(), video:pixels(), screen:refresh_attoseconds()
pixels() and size() correspond to internal game resolution covering all screens and internal pixel colors. the same values are used for bitmap dumping. similar things available for screen_device lua library take into account final UI resolution and colors, so they can't be used when accurate framebuffer is needed.
refresh_attoseconds() allows to calculate precise numerator and denominator for framerate
Diffstat (limited to 'src/frontend')
-rw-r--r-- | src/frontend/mame/luaengine.cpp | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/frontend/mame/luaengine.cpp b/src/frontend/mame/luaengine.cpp index b786eaeb5c8..fb42192da11 100644 --- a/src/frontend/mame/luaengine.cpp +++ b/src/frontend/mame/luaengine.cpp @@ -1819,7 +1819,9 @@ void lua_engine::initialize() * video:skip_this_frame() - is current frame going to be skipped * video:speed_factor() - get speed factor * video:speed_percent() - get percent from realtime - * video:frame_update() + * video:frame_update() - render a frame + * video:size() - get width and height of snapshot bitmap in pixels + * video:pixels() - get binary bitmap of all screens as string * * video.frameskip - current frameskip * video.throttled - throttle state @@ -1848,6 +1850,22 @@ void lua_engine::initialize() "speed_factor", &video_manager::speed_factor, "speed_percent", &video_manager::speed_percent, "frame_update", &video_manager::frame_update, + "size", [](video_manager &vm) { + s32 width, height; + vm.compute_snapshot_size(width, height); + return std::tuple<s32, s32>(width, height); + }, + "pixels", [](video_manager &vm, sol::this_state s) { + lua_State *L = s; + luaL_Buffer buff; + s32 width, height; + vm.compute_snapshot_size(width, height); + int size = width * height * 4; + u32 *ptr = (u32 *)luaL_buffinitsize(L, &buff, size); + vm.pixels(ptr); + luaL_pushresultsize(&buff, size); + return sol::make_reference(L, sol::stack_reference(L, -1)); + }, "frameskip", sol::property(&video_manager::frameskip, &video_manager::set_frameskip), "throttled", sol::property(&video_manager::throttled, &video_manager::set_throttled), "throttle_rate", sol::property(&video_manager::throttle_rate, &video_manager::set_throttle_rate)); @@ -1920,7 +1938,7 @@ void lua_engine::initialize() * target:hidden() - is target hidden * target:is_ui_target() - is ui render target * target:index() - target index - * target:view_name(index) - current target layout view name + * target:view_name([opt] index) - current target layout view name * * target.max_update_rate - * target.view - current target layout view @@ -2005,8 +2023,9 @@ void lua_engine::initialize() * screen:height() - screen height * screen:width() - screen width * screen:orientation() - screen angle, flipx, flipy - * screen:refresh() - screen refresh rate - * screen:snapshot() - save snap shot + * screen:refresh() - screen refresh rate in Hz + * screen:refresh_attoseconds() - screen refresh rate in attoseconds + * screen:snapshot([opt] filename) - save snap shot * screen:type() - screen drawing type * screen:frame_number() - screen frame count * screen:name() - screen device full name @@ -2095,6 +2114,7 @@ void lua_engine::initialize() return std::tuple<int, bool, bool>(rotation_angle, flags & ORIENTATION_FLIP_X, flags & ORIENTATION_FLIP_Y); }, "refresh", [](screen_device &sdev) { return ATTOSECONDS_TO_HZ(sdev.refresh_attoseconds()); }, + "refresh_attoseconds", [](screen_device &sdev) { return sdev.refresh_attoseconds(); }, "snapshot", [this](screen_device &sdev, sol::object filename) -> sol::object { emu_file file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS); osd_file::error filerr; |