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-rw-r--r--main/draw.cpp16
-rw-r--r--main/main-impl.cpp4
-rw-r--r--main/main-impl.hpp19
-rw-r--r--main/setup.cpp14
4 files changed, 39 insertions, 14 deletions
diff --git a/main/draw.cpp b/main/draw.cpp
index 9409d66c..d2fde66e 100644
--- a/main/draw.cpp
+++ b/main/draw.cpp
@@ -13,6 +13,13 @@
namespace floormat {
+namespace {
+
+size_t bad_frame_counter = 0;
+
+} // namespace
+
+
void main_impl::do_update()
{
constexpr auto eps = 1e-5f;
@@ -22,13 +29,14 @@ void main_impl::do_update()
#if 1
constexpr float RC = 60;
constexpr auto alpha = 1 / (1 + RC);
- _smoothed_frame_time = _smoothed_frame_time * (1 - alpha) + alpha * secs;
+ auto& value = _frame_timings.smoothed_frame_time;
+
+ value = value*(1 - alpha) + alpha * secs;
#else
- _frame_time = secs;
+ value = secs;
#endif
- static size_t ctr = 0;
if (secs > 35e-3f /* && !dt_expected.do_sleep */)
- fm_debug("%zu frame took %.2f milliseconds", ctr++, (double)secs*1e3);
+ fm_debug("%zu frame took %.2f milliseconds", bad_frame_counter++, (double)secs*1e3);
}
else
swapBuffers();
diff --git a/main/main-impl.cpp b/main/main-impl.cpp
index 9f1e1e97..fab0d249 100644
--- a/main/main-impl.cpp
+++ b/main/main-impl.cpp
@@ -57,11 +57,9 @@ const Platform::Sdl2Application& main_impl::application() const noexcept { retur
struct texture_unit_cache& main_impl::texture_unit_cache() { return _tuc; }
path_search& main_impl::search() { return *_search; }
astar& main_impl::astar() { return *_astar; }
-
Vector2i floormat_main::window_size() const noexcept { return _framebuffer_size; }
+float main_impl::smoothed_frame_time() const noexcept { return _frame_timings.smoothed_frame_time; }
void floormat_main::set_render_vobjs(bool value) { _do_render_vobjs = value; }
bool floormat_main::is_rendering_vobjs() const { return _do_render_vobjs; }
-float floormat_main::smoothed_frame_time() const noexcept { return _smoothed_frame_time; }
-
} // namespace floormat
diff --git a/main/main-impl.hpp b/main/main-impl.hpp
index e9d996bf..12169d6a 100644
--- a/main/main-impl.hpp
+++ b/main/main-impl.hpp
@@ -59,6 +59,7 @@ struct main_impl final : Platform::Sdl2Application, floormat_main
class world& reset_world(class world&& w) noexcept override;
SDL_Window* window() noexcept override;
void update_window_state();
+ float smoothed_frame_time() const noexcept override;
fm_settings& settings() noexcept override;
const fm_settings& settings() const noexcept override;
@@ -102,17 +103,29 @@ struct main_impl final : Platform::Sdl2Application, floormat_main
class astar& astar() override;
private:
+ struct frame_timings_s
+ {
+ static constexpr unsigned min_refresh_rate = 20;
+
+ unsigned refresh_rate = min_refresh_rate;
+ float smoothed_frame_time = 0;
+ bool vsync : 1 = false;
+ bool minimized : 1 = false;
+ bool focused : 1 = true;
+ };
+
Time timeline;
- struct texture_unit_cache _tuc;
fm_settings s;
[[maybe_unused]] char _dummy = (register_debug_callback(), '\0');
- floormat_app& app; // NOLINT(cppcoreguidelines-avoid-const-or-ref-data-members)
+ floormat_app& app;
+ struct texture_unit_cache _tuc;
tile_shader _shader;
struct lightmap_shader _lightmap_shader{_tuc};
Array<clickable> _clickable_scenery;
class world _world{};
uint32_t _mouse_cursor = (uint32_t)-1;
+ frame_timings_s _frame_timings;
ground_mesh _ground_mesh;
wall_mesh _wall_mesh;
anim_mesh _anim_mesh;
@@ -124,8 +137,6 @@ private:
void recalc_viewport(Vector2i fb_size, Vector2i win_size) noexcept;
void draw_world() noexcept;
- //bool draw_lights(chunk& c, const std::array<chunk*, 8>& neighbors) noexcept;
- //bool draw_lights_for_chunk(chunk& c, Vector2b neighbor_offset) noexcept;
draw_bounds get_draw_bounds() const noexcept override;
diff --git a/main/setup.cpp b/main/setup.cpp
index 70b1563b..82fbb9b0 100644
--- a/main/setup.cpp
+++ b/main/setup.cpp
@@ -103,7 +103,7 @@ auto main_impl::make_gl_conf(const fm_settings&) -> GLConfiguration
.setStencilBufferSize(0);
}
-static int get_window_refresh_rate(SDL_Window* window)
+unsigned get_window_refresh_rate(SDL_Window* window, unsigned min, unsigned max)
{
fm_assert(window != nullptr);
if (int index = SDL_GetWindowDisplayIndex(window); index < 0)
@@ -111,12 +111,20 @@ static int get_window_refresh_rate(SDL_Window* window)
else if (SDL_DisplayMode dpymode{}; SDL_GetCurrentDisplayMode(index, &dpymode) < 0)
fm_warn_once("SDL_GetCurrentDisplayMode: %s", SDL_GetError());
else
- return Math::clamp(dpymode.refresh_rate, 30, 400);
- return 30;
+ {
+ fm_assert(dpymode.refresh_rate > 0 && dpymode.refresh_rate < max);
+ return (unsigned)dpymode.refresh_rate;
+ }
+ return min;
}
void main_impl::update_window_state() // todo window minimized, out of focus, fake vsync etc
{
+ auto refresh_rate = get_window_refresh_rate(window(), _frame_timings.min_refresh_rate, 10000);
+ fm_assert(refresh_rate > 0 && refresh_rate < 1000);
+ _frame_timings = {
+ .refresh_rate = refresh_rate,
+ };
}
auto main_impl::meshes() noexcept -> struct meshes