feat(gui): add palette viewer

This commit is contained in:
Rekai Nyangadzayi Musuka 2023-04-05 01:18:36 -05:00
parent 8519187d9b
commit 13f5e7a480
1 changed files with 54 additions and 3 deletions

View File

@ -38,6 +38,7 @@ pub const State = struct {
show_regs: bool = false, show_regs: bool = false,
show_schedule: bool = false, show_schedule: bool = false,
show_perf: bool = false, show_perf: bool = false,
show_palette: bool = false,
}; };
/// if zba is initialized with a ROM already provided, this initializer should be called /// if zba is initialized with a ROM already provided, this initializer should be called
@ -96,6 +97,9 @@ pub fn draw(state: *State, tex_id: GLuint, cpu: *Arm7tdmi) void {
if (zgui.menuItem("Registers", .{ .selected = state.win_stat.show_regs })) if (zgui.menuItem("Registers", .{ .selected = state.win_stat.show_regs }))
state.win_stat.show_regs = true; state.win_stat.show_regs = true;
if (zgui.menuItem("Palette", .{ .selected = state.win_stat.show_palette }))
state.win_stat.show_palette = true;
if (zgui.menuItem("Schedule", .{ .selected = state.win_stat.show_schedule })) if (zgui.menuItem("Schedule", .{ .selected = state.win_stat.show_schedule }))
state.win_stat.show_schedule = true; state.win_stat.show_schedule = true;
@ -281,12 +285,59 @@ pub fn draw(state: *State, tex_id: GLuint, cpu: *Arm7tdmi) void {
} }
} }
// { if (state.win_stat.show_palette) {
// zgui.showDemoWindow(null); _ = zgui.begin("Palette", .{ .popen = &state.win_stat.show_palette });
// } defer zgui.end();
widgets.paletteGrid(.Background, cpu);
zgui.sameLine(.{ .spacing = 20.0 });
widgets.paletteGrid(.Object, cpu);
}
{
zgui.showDemoWindow(null);
}
} }
const widgets = struct { const widgets = struct {
const PaletteKind = enum { Background, Object };
fn paletteGrid(comptime kind: PaletteKind, cpu: *const Arm7tdmi) void {
_ = zgui.beginGroup();
defer zgui.endGroup();
const address: u32 = switch (kind) {
.Background => 0x0500_0000,
.Object => 0x0500_0200,
};
for (0..0x100) |i| {
const offset = @truncate(u32, i);
const bgr555 = cpu.bus.dbgRead(u16, address + offset * @sizeOf(u16));
widgets.colourSquare(bgr555);
if ((i + 1) % 0x10 != 0) zgui.sameLine(.{});
}
zgui.text(@tagName(kind), .{});
}
fn colourSquare(bgr555: u16) void {
// FIXME: working with the packed struct enum is currently broken :pensive:
const ImguiColorEditFlags_NoInputs: u32 = 1 << 5;
const ImguiColorEditFlags_NoPicker: u32 = 1 << 2;
const flags = @bitCast(zgui.ColorEditFlags, ImguiColorEditFlags_NoInputs | ImguiColorEditFlags_NoPicker);
const b = @intToFloat(f32, bgr555 >> 10 & 0x1f);
const g = @intToFloat(f32, bgr555 >> 5 & 0x1F);
const r = @intToFloat(f32, bgr555 & 0x1F);
var col = [_]f32{ r / 31.0, g / 31.0, b / 31.0 };
_ = zgui.colorEdit3("", .{ .col = &col, .flags = flags });
}
fn interrupts(comptime label: []const u8, int: anytype) void { fn interrupts(comptime label: []const u8, int: anytype) void {
const h = 15.0; const h = 15.0;
const w = 9.0 * 2 + 3.5; const w = 9.0 * 2 + 3.5;