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fix: speed percentage in title is now accurate

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We now properly account for full speed being 59.97Hz not, 59Hz or 60Hz
This commit is contained in:
Rekai Nyangadzayi Musuka
2022-03-22 10:39:42 -03:00
parent eff25a0ab2
commit 5dd69500ca
3 changed files with 23 additions and 20 deletions
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9
src/main.zig
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@@ -17,6 +17,7 @@ const window_scale = 3;
const gba_width = @import("ppu.zig").width;
const gba_height = @import("ppu.zig").height;
const framebuf_pitch = @import("ppu.zig").framebuf_pitch;
const expected_rate = @import("emu.zig").frame_rate;
pub const enable_logging: bool = false;
const is_binary: bool = false;
@@ -76,10 +77,10 @@ pub fn main() anyerror!void {
// Init Atomics
var quit = Atomic(bool).init(false);
var emu_fps = FpsAverage.init();
var emu_rate = FpsAverage.init();
// Create Emulator Thread
const emu_thread = try Thread.spawn(.{}, emu.run, .{ .UnlimitedFPS, &quit, &emu_fps, &scheduler, &cpu, &bus });
const emu_thread = try Thread.spawn(.{}, emu.run, .{ .LimitedFPS, &quit, &emu_rate, &scheduler, &cpu, &bus });
defer emu_thread.join();
// Initialize SDL
@@ -161,8 +162,8 @@ pub fn main() anyerror!void {
_ = SDL.SDL_RenderCopy(renderer, texture, null, null);
SDL.SDL_RenderPresent(renderer);
const avg = emu_fps.calc();
const dyn_title = std.fmt.bufPrint(&dyn_title_buf, "{s} [Emu: {d:0>3}fps, {d:0>3}%] ", .{ title, avg, (avg * 100 / 59) }) catch unreachable;
const actual = emu_rate.calc();
const dyn_title = std.fmt.bufPrint(&dyn_title_buf, "{s} [Emu: {d:0>3.2}fps, {d:0>3.2}%] ", .{ title, actual, actual * 100 / expected_rate }) catch unreachable;
SDL.SDL_SetWindowTitle(window, dyn_title.ptr);
}