add new win32 platform implementation (#1224)

* Buffer resources from swap chain were not being released.
* sysgpu Texture.getWidth() should return width not height.
* d3d12: Fixing issues with d3d12 on sysgpu.
* Initial win32 platform
This commit is contained in:
Hordur Johannsson 2024-07-13 22:33:45 +00:00 committed by GitHub
parent 3fa889b136
commit c32e763e11
Failed to generate hash of commit
12 changed files with 3329 additions and 18 deletions

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src/core/win32.zig Normal file
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const std = @import("std");
const w = @import("win32/win32.zig");
const mach = @import("../main.zig");
const Core = @import("../Core.zig");
const InputState = @import("InputState.zig");
const Frequency = @import("Frequency.zig");
const unicode = @import("unicode.zig");
const gpu = mach.gpu;
const InitOptions = Core.InitOptions;
const Event = Core.Event;
const KeyEvent = Core.KeyEvent;
const MouseButtonEvent = Core.MouseButtonEvent;
const MouseButton = Core.MouseButton;
const Size = Core.Size;
const DisplayMode = Core.DisplayMode;
const CursorShape = Core.CursorShape;
const VSyncMode = Core.VSyncMode;
const CursorMode = Core.CursorMode;
const Position = Core.Position;
const Key = Core.Key;
const KeyMods = Core.KeyMods;
const Joystick = Core.Joystick;
const log = std.log.scoped(.mach);
const EventQueue = std.fifo.LinearFifo(Event, .Dynamic);
const Win32 = @This();
/////////////////////////
// Module state
////////////////////////
allocator: std.mem.Allocator,
core: *Core,
// Core platform interface
title: [:0]u8,
display_mode: DisplayMode,
vsync_mode: VSyncMode,
cursor_mode: CursorMode,
cursor_shape: CursorShape,
border: bool,
headless: bool,
refresh_rate: u32,
size: Size,
surface_descriptor: gpu.Surface.Descriptor,
surface_descriptor_from_hwnd: gpu.Surface.DescriptorFromWindowsHWND,
// Internals
window: w.HWND,
surrogate: u16 = 0,
dinput: *w.IDirectInput8W,
events: EventQueue,
oom: std.Thread.ResetEvent = .{},
////////////////////////////
/// Internals
////////////////////////////
const RequestAdapterResponse = struct {
status: gpu.RequestAdapterStatus,
adapter: ?*gpu.Adapter,
message: ?[*:0]const u8,
};
inline fn requestAdapterCallback(
context: *RequestAdapterResponse,
status: gpu.RequestAdapterStatus,
adapter: ?*gpu.Adapter,
message: ?[*:0]const u8,
) void {
context.* = RequestAdapterResponse{
.status = status,
.adapter = adapter,
.message = message,
};
}
inline fn printUnhandledErrorCallback(_: void, ty: gpu.ErrorType, message: [*:0]const u8) void {
switch (ty) {
.validation => std.log.err("gpu: validation error: {s}\n", .{message}),
.out_of_memory => std.log.err("gpu: out of memory: {s}\n", .{message}),
.unknown => std.log.err("gpu: unknown error: {s}\n", .{message}),
else => unreachable,
}
std.process.exit(1);
}
////////////////////////////
/// Platform interface
////////////////////////////
pub fn init(
self: *Win32,
options: InitOptions,
) !void {
self.allocator = options.allocator;
self.core = @fieldParentPtr("platform", self);
self.events = EventQueue.init(self.allocator);
self.size = options.size;
const hInstance = w.GetModuleHandleW(null);
const class_name = w.L("mach");
const class = std.mem.zeroInit(w.WNDCLASSW, .{
.style = w.CS_OWNDC,
.lpfnWndProc = wndProc,
.hInstance = hInstance,
.hIcon = w.LoadIconW(null, @as([*:0]align(1) const u16, @ptrFromInt(@as(u32, w.IDI_APPLICATION)))),
.hCursor = w.LoadCursorW(null, @as([*:0]align(1) const u16, @ptrFromInt(@as(u32, w.IDC_ARROW)))),
.lpszClassName = class_name,
});
if (w.RegisterClassW(&class) == 0) return error.Unexpected;
const title = try std.unicode.utf8ToUtf16LeAllocZ(self.allocator, options.title);
defer self.allocator.free(title);
// TODO set title , copy to self.title
const window = w.CreateWindowExW(
.{.APPWINDOW = 1, .WINDOWEDGE = 1, .CLIENTEDGE = 1},
class_name,
title,
if (options.border) w.WS_OVERLAPPEDWINDOW else w.WS_POPUPWINDOW,
w.CW_USEDEFAULT,
w.CW_USEDEFAULT,
@bitCast(self.size.width),
@bitCast(self.size.height),
null,
null,
hInstance,
null,
) orelse return error.Unexpected;
self.window = window;
var dinput: ?*w.IDirectInput8W = undefined;
//@ptrCast(*anyopaque
const ptr: ?*?*anyopaque = @ptrCast(&dinput);
// if (w.DirectInput8Create(instance, w.DIRECTINPUT_VERSION, &w.IID_IDirectInput8W, &dinput, null) != w.DI_OK) return error.Unexpected;
if (w.DirectInput8Create(hInstance, w.DIRECTINPUT_VERSION, w.IID_IDirectInput8W, ptr, null) != w.DI_OK) {
return error.Unexpected;
}
self.dinput = dinput.?;
self.surface_descriptor_from_hwnd = .{
.hinstance = std.os.windows.kernel32.GetModuleHandleW(null).?,
.hwnd = window,
};
self.surface_descriptor = .{
.next_in_chain = .{
.from_windows_hwnd = &self.surface_descriptor_from_hwnd,
}
};
_ = w.SetWindowLongPtrW(window, w.GWLP_USERDATA, @bitCast(@intFromPtr(self)));
if (!options.headless) {
setDisplayMode(self, options.display_mode);
}
}
pub fn deinit(self: *Win32) void {
self.events.deinit();
_ = self.dinput.IUnknown_Release();
}
pub fn update(self: *Win32) !void {
_ = self;
var msg: w.MSG = undefined;
while (w.PeekMessageW(&msg, null, 0, 0, w.PM_REMOVE) != 0) {
_ = w.TranslateMessage(&msg);
_ = w.DispatchMessageW(&msg);
}
}
pub const EventIterator = struct {
queue: *EventQueue,
pub fn next(self: *EventIterator) ?Event {
return self.queue.readItem();
}
};
pub fn pollEvents(self: *Win32) EventIterator {
return .{ .queue = &self.events };
}
pub fn setTitle(self: *Win32, title: [:0]const u8) void {
const wtitle = std.unicode.utf8ToUtf16LeAllocZ(self.allocator, title) catch {
self.oom.set();
return;
};
// TODO update self.title
defer self.allocator.free(wtitle);
_ = w.SetWindowTextW(self.window, wtitle);
}
pub fn setDisplayMode(self: *Win32, mode: DisplayMode) void {
// TODO update self.displayMode
switch (mode) {
.windowed => _ = w.ShowWindow(self.window, w.SW_RESTORE),
// .maximized => _ = w.ShowWindow(self.window, w.SW_MAXIMIZE),
.fullscreen => {},
.borderless => {},
}
}
pub fn setBorder(self: *Win32, value: bool) void {
_ = w.SetWindowLongW(self.window, w.GWL_STYLE, if (value) w.WS_OVERLAPPEDWINDOW else w.WS_POPUPWINDOW);
self.border = value;
}
pub fn setHeadless(self: *Win32, value: bool) void {
_ = w.ShowWindow(self.window, if (value) w.SW_HIDE else w.SW_SHOW);
self.headless = value;
}
pub fn setVSync(self: *Win32, mode: VSyncMode) void {
self.vsync_mode = mode;
}
pub fn setSize(self: *Win32, value: Size) void {
_ = w.SetWindowPos(self.window, 0, 0, 0, value.width, value.height, w.SWP_NOMOVE | w.SWP_NOZORDER | w.SWP_NOACTIVATE);
self.size = value;
}
// pub fn size(self: *Core) core.Size {
// var rect: w.RECT = undefined;
// _ = w.GetClientRect(self.window, &rect);
// const width:u32 = @intCast(rect.right - rect.left);
// const height:u32 = @intCast(rect.bottom - rect.top);
// return .{ .width = width, .height = height };
// }
// pub fn setSizeLimit(self: *Core, value: core.SizeLimit) void {
// self.mutex.lock();
// defer self.mutex.unlock();
// self.limits = value;
// // trigger WM_GETMINMAXINFO
// _ = w.SetWindowPos(self.window, 0, 0, 0, 0, 0, w.SWP_NOMOVE | w.SWP_NOSIZE | w.SWP_NOZORDER | w.SWP_NOACTIVATE);
// }
// pub fn sizeLimit(self: *Core) core.SizeLimit {
// self.mutex.lock();
// defer self.mutex.unlock();
// return self.limits;
// }
pub fn setCursorMode(self: *Win32, mode: CursorMode) void {
switch (mode) {
.normal => while (w.ShowCursor(true) < 0) {},
.hidden => while (w.ShowCursor(false) >= 0) {},
.disabled => {},
}
self.cursor_mode = mode;
}
pub fn setCursorShape(self: *Win32, shape: CursorShape) void {
const name = switch (shape) {
.arrow => w.IDC_ARROW,
.ibeam => w.IDC_IBEAM,
.crosshair => w.IDC_CROSS,
.pointing_hand => w.IDC_HAND,
.resize_ew => w.IDC_SIZEWE,
.resize_ns => w.IDC_SIZENS,
.resize_nwse => w.IDC_SIZENWSE,
.resize_nesw => w.IDC_SIZENESW,
.resize_all => w.IDC_SIZEALL,
.not_allowed => w.IDC_NO,
};
_ = w.SetCursor(w.LoadCursorW(null, @ptrFromInt(name)));
self.cursor_shape = shape;
}
pub fn keyPressed(self: *Win32, key: Key) bool {
_ = self;
_ = key;
// self.input_mutex.lockShared();
// defer self.input_mutex.unlockShared();
// return self.input_state.isKeyPressed(key);
}
pub fn keyReleased(self: *Win32, key: Key) bool {
_ = self;
_ = key;
// self.input_mutex.lockShared();
// defer self.input_mutex.unlockShared();
// return self.input_state.isKeyReleased(key);
}
pub fn mousePressed(self: *Win32, button: MouseButton) bool {
_ = self;
_ = button;
// self.input_mutex.lockShared();
// defer self.input_mutex.unlockShared();
// return self.input_state.isMouseButtonPressed(button);
}
pub fn mouseReleased(self: *Win32, button: MouseButton) bool {
_ = self;
_ = button;
// self.input_mutex.lockShared();
// defer self.input_mutex.unlockShared();
// return self.input_state.isMouseButtonReleased(button);
}
pub fn mousePosition(self: *Win32) Position {
_ = self;
// self.input_mutex.lockShared();
// defer self.input_mutex.unlockShared();
// return self.input_state.mouse_position;
}
pub fn outOfMemory(self: *Win32) bool {
if (self.oom.isSet()) {
self.oom.reset();
return true;
}
return false;
}
fn pushEvent(self: *Win32, event: Event) void {
//self.event_mutex.lock();
//defer self.event_mutex.unlock();
self.events.writeItem(event) catch self.oom.set();
}
fn wndProc(wnd: w.HWND, msg: u32, wParam: w.WPARAM, lParam: w.LPARAM) callconv(w.WINAPI) w.LRESULT {
const self = blk: {
const userdata: usize = @bitCast(w.GetWindowLongPtrW(wnd, w.GWLP_USERDATA));
const ptr: ?*Win32 = @ptrFromInt(userdata);
break :blk ptr orelse return w.DefWindowProcW(wnd, msg, wParam, lParam);
};
switch (msg) {
w.WM_CLOSE => {
self.pushEvent(.close);
return 0;
},
w.WM_GETMINMAXINFO => {
//self.mutex.lock();
//defer self.mutex.unlock();
// TODO: SizeLimit is no longer in mach core or has changed
// const info: *w.MINMAXINFO = blk: {
// const int: usize = @bitCast(lParam);
// break :blk @ptrFromInt(int);
// };
// if (self.limits.min.width) |width| info.ptMinTrackSize.x = @bitCast(width);
// if (self.limits.min.height) |height| info.ptMinTrackSize.y = @bitCast(height);
// if (self.limits.max.width) |width| info.ptMaxTrackSize.x = @bitCast(width);
// if (self.limits.max.height) |height| info.ptMaxTrackSize.y = @bitCast(height);
return 0;
},
w.WM_KEYDOWN, w.WM_KEYUP => {
const vkey: w.VIRTUAL_KEY = @enumFromInt(wParam);
if (vkey == w.VK_PROCESSKEY) return 0;
if (msg == w.WM_SYSKEYDOWN and vkey == w.VK_F4) {
self.pushEvent(.close);
return 0;
}
const flags = lParam >> 16;
const scancode: u9 = @intCast(flags & 0x1FF);
if (scancode == 0x1D) {
// right alt sends left control first
var next: w.MSG = undefined;
const time = w.GetMessageTime();
if (w.PeekMessageW(&next, self.window, 0, 0, w.PM_NOREMOVE) != 0 and
next.time == time and
(next.message == msg or (msg == w.WM_SYSKEYDOWN and next.message == w.WM_KEYUP)) and
((next.lParam >> 16) & 0x1FF) == 0x138)
{
return 0;
}
}
const key = keyFromScancode(scancode);
if (msg == w.WM_KEYDOWN) {
if (flags & w.KF_REPEAT == 0) {
self.pushEvent(.{ .key_press = .{ .key = key, .mods = undefined } });
} else {
self.pushEvent(.{ .key_repeat = .{ .key = key, .mods = undefined } });
}
} else {
self.pushEvent(.{ .key_release = .{ .key = key, .mods = undefined } });
}
return 0;
},
w.WM_CHAR => {
const char: u16 = @truncate(wParam);
var chars: []const u16 = undefined;
if (self.surrogate != 0) {
chars = &.{ self.surrogate, char };
self.surrogate = 0;
} else if (std.unicode.utf16IsHighSurrogate(char)) {
self.surrogate = char;
return 0;
} else {
chars = &.{char};
}
var iter = std.unicode.Utf16LeIterator.init(chars);
if (iter.nextCodepoint()) |codepoint| {
self.pushEvent(.{ .char_input = .{ .codepoint = codepoint.? } });
} else |err| {
err catch {};
}
return 0;
},
w.WM_LBUTTONDOWN,
w.WM_LBUTTONUP,
w.WM_RBUTTONDOWN,
w.WM_RBUTTONUP,
w.WM_MBUTTONDOWN,
w.WM_MBUTTONUP,
w.WM_XBUTTONDOWN,
w.WM_XBUTTONUP,
=> {
const x:f64 = @floatFromInt(@as(i16, @truncate(lParam & 0xFFFF)));
const y:f64 = @floatFromInt(@as(i16, @truncate((lParam >> 16) & 0xFFFF)));
const xbutton: u32 = @truncate(wParam >> 16);
const button: MouseButton = switch (msg) {
w.WM_LBUTTONDOWN, w.WM_LBUTTONUP => .left,
w.WM_RBUTTONDOWN, w.WM_RBUTTONUP => .right,
w.WM_MBUTTONDOWN, w.WM_MBUTTONUP => .middle,
else => if (xbutton == @as(u32, @bitCast(w.XBUTTON1))) .four else .five,
};
switch (msg) {
w.WM_LBUTTONDOWN,
w.WM_MBUTTONDOWN,
w.WM_RBUTTONDOWN,
w.WM_XBUTTONDOWN,
=> self.pushEvent(.{ .mouse_press = .{ .button = button, .mods = undefined, .pos = .{.x = x, .y = y }}}),
else => self.pushEvent(.{ .mouse_release = .{ .button = button, .mods = undefined, .pos = .{.x = x, .y = y}}}),
}
return if (msg == w.WM_XBUTTONDOWN or msg == w.WM_XBUTTONUP) w.TRUE else 0;
},
w.WM_MOUSEMOVE => {
self.pushEvent(.{
.mouse_motion = .{
.pos = .{
.x = 0,
.y = 0,
},
},
});
return 0;
},
w.WM_MOUSEWHEEL => {
self.pushEvent(.{
.mouse_scroll = .{
.xoffset = 0,
.yoffset = 0,
},
});
return 0;
},
else => return w.DefWindowProcW(wnd, msg, wParam, lParam),
}
}
fn keyFromScancode(scancode: u9) Key {
comptime var table: [0x15D]Key = undefined;
comptime for (&table, 1..) |*ptr, i| {
ptr.* = switch (i) {
0x1 => .escape,
0x2 => .one,
0x3 => .two,
0x4 => .three,
0x5 => .four,
0x6 => .five,
0x7 => .six,
0x8 => .seven,
0x9 => .eight,
0xA => .nine,
0xB => .zero,
0xC => .minus,
0xD => .equal,
0xE => .backspace,
0xF => .tab,
0x10 => .q,
0x11 => .w,
0x12 => .e,
0x13 => .r,
0x14 => .t,
0x15 => .y,
0x16 => .u,
0x17 => .i,
0x18 => .o,
0x19 => .p,
0x1A => .left_bracket,
0x1B => .right_bracket,
0x1C => .enter,
0x1D => .left_control,
0x1E => .a,
0x1F => .s,
0x20 => .d,
0x21 => .f,
0x22 => .g,
0x23 => .h,
0x24 => .j,
0x25 => .k,
0x26 => .l,
0x27 => .semicolon,
0x28 => .apostrophe,
0x29 => .grave,
0x2A => .left_shift,
0x2B => .backslash,
0x2C => .z,
0x2D => .x,
0x2E => .c,
0x2F => .v,
0x30 => .b,
0x31 => .n,
0x32 => .m,
0x33 => .comma,
0x34 => .period,
0x35 => .slash,
0x36 => .right_shift,
0x37 => .kp_multiply,
0x38 => .left_alt,
0x39 => .space,
0x3A => .caps_lock,
0x3B => .f1,
0x3C => .f2,
0x3D => .f3,
0x3E => .f4,
0x3F => .f5,
0x40 => .f6,
0x41 => .f7,
0x42 => .f8,
0x43 => .f9,
0x44 => .f10,
0x45 => .pause,
0x46 => .scroll_lock,
0x47 => .kp_7,
0x48 => .kp_8,
0x49 => .kp_9,
0x4A => .kp_subtract,
0x4B => .kp_4,
0x4C => .kp_5,
0x4D => .kp_6,
0x4E => .kp_add,
0x4F => .kp_1,
0x50 => .kp_2,
0x51 => .kp_3,
0x52 => .kp_0,
0x53 => .kp_decimal,
//0x56 => .europe2,
0x57 => .f11,
0x58 => .f12,
//0x5C => .international6,
0x64 => .f13,
0x65 => .f14,
0x66 => .f15,
0x67 => .f16,
0x68 => .f17,
0x69 => .f18,
0x6A => .f19,
0x6B => .f20,
0x6C => .f21,
0x6D => .f22,
0x6E => .f23,
//0x70 => .international2,
//0x73 => .international1,
//0x76 => .lang5,
//0x77 => .lang4,
//0x78 => .lang3,
//0x79 => .international4,
//0x7B => .international5,
//0x7D => .international3,
//0x7E => .kp_comma,
//0xF1 => .lang2,
//0xF2 => .lang1,
//0x11C => .kp_enter,
0x11D => .right_control,
//0x135 => .kp_divide,
0x138 => .right_alt,
0x145 => .num_lock,
0x146 => .pause,
0x147 => .home,
0x148 => .up,
0x149 => .page_up,
0x14B => .left,
0x14D => .right,
0x14F => .end,
0x150 => .down,
0x151 => .page_down,
0x152 => .insert,
0x153 => .delete,
0x15B => .left_super,
0x15C => .right_super,
0x15D => .menu,
else => .unknown,
};
};
return if (scancode > 0 and scancode <= table.len) table[scancode - 1] else .unknown;
}
pub fn joystickPresent(_: *Win32, _: Joystick) bool {
@panic("NOT IMPLEMENTED");
}
pub fn joystickName(_: *Win32, _: Joystick) ?[:0]const u8 {
@panic("NOT IMPLEMENTED");
}
pub fn joystickButtons(_: *Win32, _: Joystick) ?[]const bool {
@panic("NOT IMPLEMENTED");
}
// May be called from any thread.
pub fn joystickAxes(_: *Win32, _: Joystick) ?[]const f32 {
@panic("NOT IMPLEMENTED");
}

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src/core/win32/win32.zig Normal file

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