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chore(ui): rewrite channel implementation

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This commit is contained in:
Rekai Nyangadzayi Musuka
2023-05-23 22:48:58 -05:00
parent 16c3eceffd
commit ccdc2cbad4
4 changed files with 49 additions and 59 deletions
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64
src/platform.zig
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@@ -11,7 +11,7 @@ const Apu = @import("core/apu.zig").Apu;
const Arm7tdmi = @import("core/cpu.zig").Arm7tdmi;
const Scheduler = @import("core/scheduler.zig").Scheduler;
const FpsTracker = @import("util.zig").FpsTracker;
const TwoWayChannel = @import("zba-util").TwoWayChannel;
const Channel = @import("zba-util").Channel(emu.Message, 0x100);
const KeyInput = @import("core/bus/io.zig").KeyInput;
const gba_width = @import("core/ppu.zig").width;
@@ -94,7 +94,7 @@ pub const Gui = struct {
}
const RunOptions = struct {
channel: *TwoWayChannel,
ch: Channel.Sender,
tracker: ?*FpsTracker = null,
cpu: *Arm7tdmi,
scheduler: *Scheduler,
@@ -105,7 +105,7 @@ pub const Gui = struct {
pub fn run(self: *Self, comptime mode: RunMode, opt: RunOptions) !void {
const cpu = opt.cpu;
const tracker = opt.tracker;
const channel = opt.channel;
const ch = opt.ch;
const objects = opengl_impl.createObjects();
defer gl.deleteBuffers(3, @as(*const [3]GLuint, &.{ objects.vao, objects.vbo, objects.ebo }));
@@ -193,54 +193,50 @@ pub const Gui = struct {
switch (self.state.emulation) {
.Transition => |inner| switch (inner) {
.Active => {
_ = channel.gui.pop();
channel.emu.push(.Resume);
ch.send(.Resume);
if (!config.config().host.mute) SDL.SDL_PauseAudioDevice(self.audio.device, 0);
self.state.emulation = .Active;
},
.Inactive => {
// Assert that double pausing is impossible
if (channel.gui.peek()) |value|
std.debug.assert(value != .Paused);
SDL.SDL_PauseAudioDevice(self.audio.device, 1);
channel.emu.push(.Pause);
ch.send(.Pause);
self.state.emulation = .Inactive;
},
},
.Active => skip_draw: {
.Active => {
const is_std = mode == .Standard;
if (is_std) channel.emu.push(.Pause);
defer if (is_std) channel.emu.push(.Resume);
if (is_std) ch.send(.Pause);
defer if (is_std) ch.send(.Resume);
switch (mode) {
.Standard => blk: {
const limit = 15; // TODO: What should this be?
// switch (mode) {
// .Standard => blk: {
// const limit = 15; // TODO: What should this be?
// TODO: learn more about std.atomic.spinLoopHint();
for (0..limit) |_| {
const message = channel.gui.pop() orelse continue;
// // TODO: learn more about std.atomic.spinLoopHint();
// for (0..limit) |_| {
// const message = channel.gui.pop() orelse continue;
switch (message) {
.Paused => break :blk,
.Quit => unreachable,
}
}
// switch (message) {
// .Paused => break :blk,
// .Quit => unreachable,
// }
// }
log.info("timed out waiting for emu thread to pause (limit: {})", .{limit});
break :skip_draw;
},
.Debug => blk: {
switch (channel.gui.pop() orelse break :blk) {
.Paused => unreachable, // only in standard mode
.Quit => break :emu_loop, // FIXME: gdb side of emu is seriously out-of-date...
}
},
}
// log.info("timed out waiting for emu thread to pause (limit: {})", .{limit});
// break :skip_draw;
// },
// .Debug => blk: {
// switch (channel.gui.pop() orelse break :blk) {
// .Paused => unreachable, // only in standard mode
// .Quit => break :emu_loop, // FIXME: gdb side of emu is seriously out-of-date...
// }
// },
// }
// Add FPS count to the histogram
if (tracker) |t| self.state.fps_hist.push(t.value()) catch {};
@@ -279,7 +275,7 @@ pub const Gui = struct {
SDL.SDL_GL_SwapWindow(self.window);
}
channel.emu.push(.Quit);
ch.send(.Quit);
}
fn glGetProcAddress(ctx: SDL.SDL_GLContext, proc: [:0]const u8) ?*anyopaque {