mirror of
https://github.com/ghostty-org/ghostty.git
synced 2025-07-16 16:56:09 +03:00
renderer/Metal: improve cell contents tracking
Previous version prevented multiple glyphs from belonging to the same coordinate, which broke quite a few things. This implementation fixes that (and may be more efficient too). Needs clean-up.
This commit is contained in:
Qwerasd
@ -2171,7 +2171,7 @@ fn updateCell(
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break :bg_alpha @intFromFloat(bg_alpha);
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};
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try self.cells.set(self.alloc, .bg, .{
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try self.cells.add(self.alloc, .bg, .{
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.mode = .rgb,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = cell.gridWidth(),
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@ -2186,19 +2186,25 @@ fn updateCell(
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@intFromFloat(@max(0, @min(255, @round(self.config.background_opacity * 255)))),
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};
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// If the cell has a character, draw it
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if (cell.hasText()) fg: {
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// If the shaper cell has a glyph, draw it.
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if (shaper_cell.glyph_index) |glyph_index| glyph: {
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// Render
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const render = try self.font_grid.renderGlyph(
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self.alloc,
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shaper_run.font_index,
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shaper_cell.glyph_index orelse break :fg,
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glyph_index,
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.{
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.grid_metrics = self.grid_metrics,
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.thicken = self.config.font_thicken,
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},
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);
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// If the glyph is 0 width or height, it will be invisible
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// when drawn, so don't bother adding it to the buffer.
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if (render.glyph.width == 0 or render.glyph.height == 0) {
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break :glyph;
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}
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const mode: mtl_shaders.CellText.Mode = switch (try fgMode(
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render.presentation,
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cell_pin,
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@ -2208,7 +2214,7 @@ fn updateCell(
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.constrained => .fg_constrained,
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};
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try self.cells.set(self.alloc, .text, .{
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try self.cells.add(self.alloc, .text, .{
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.mode = mode,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = cell.gridWidth(),
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@ -2245,7 +2251,7 @@ fn updateCell(
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const color = style.underlineColor(palette) orelse colors.fg;
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try self.cells.set(self.alloc, .underline, .{
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try self.cells.add(self.alloc, .underline, .{
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.mode = .fg,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = cell.gridWidth(),
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@ -2268,7 +2274,7 @@ fn updateCell(
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},
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);
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try self.cells.set(self.alloc, .strikethrough, .{
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try self.cells.add(self.alloc, .strikethrough, .{
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.mode = .fg,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = cell.gridWidth(),
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@ -2366,7 +2372,7 @@ fn addPreeditCell(
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};
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// Add our opaque background cell
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try self.cells.set(self.alloc, .bg, .{
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try self.cells.add(self.alloc, .bg, .{
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.mode = .rgb,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = if (cp.wide) 2 else 1,
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@ -2374,7 +2380,7 @@ fn addPreeditCell(
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});
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// Add our text
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try self.cells.set(self.alloc, .text, .{
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try self.cells.add(self.alloc, .text, .{
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.mode = .fg,
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.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
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.cell_width = if (cp.wide) 2 else 1,
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@ -47,17 +47,80 @@ pub const Key = enum {
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/// every frame and should be as fast as possible.
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///
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/// To achieve this, the contents are stored in contiguous arrays by
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/// GPU vertex type and we have an array of mappings indexed by coordinate
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/// GPU vertex type and we have an array of mappings indexed per row
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/// that map to the index in the GPU vertex array that the content is at.
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pub const Contents = struct {
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/// The map contains the mapping of cell content for every cell in the
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/// terminal to the index in the cells array that the content is at.
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/// This is ALWAYS sized to exactly (rows * cols) so we want to keep
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/// this as small as possible.
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///
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/// Before any operation, this must be initialized by calling resize
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/// on the contents.
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map: []Map,
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const Map = struct {
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/// The rows of index mappings are stored in a single contiguous array
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/// where the start of each row can be direct indexed by its y coord,
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/// and the used length of each row's section is stored separately.
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rows: []u32,
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/// The used length for each row.
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lens: []u16,
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/// The size of each row in the contiguous rows array.
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row_size: u16,
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pub fn init(alloc: Allocator, size: renderer.GridSize) !Map {
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var map: Map = .{
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.rows = try alloc.alloc(u32, size.columns * size.rows),
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.lens = try alloc.alloc(u16, size.rows),
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.row_size = size.columns,
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};
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map.reset();
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return map;
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}
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pub fn deinit(self: *Map, alloc: Allocator) void {
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alloc.free(self.rows);
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alloc.free(self.lens);
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}
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/// Clear all rows in this map.
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pub fn reset(self: *Map) void {
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@memset(self.lens, 0);
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}
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/// Add a mapped index to a row.
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pub fn add(self: *Map, row: u16, idx: u32) void {
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assert(row < self.lens.len);
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const start = self.row_size * row;
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assert(start < self.rows.len);
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// TODO: Currently this makes the assumption that a given row
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// will never contain more cells than it has columns. That
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// assumption is easily violated due to graphemes and multiple-
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// substitution opentype operations. Currently I've just capped
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// the length so that additional cells will overwrite the last
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// one once the row size is exceeded. A better behavior should
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// be decided upon, this one could cause issues.
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const len = @min(self.row_size - 1, self.lens[row]);
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assert(len < self.row_size);
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self.rows[start + len] = idx;
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self.lens[row] = len + 1;
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}
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/// Get a slice containing all the mappings for a given row.
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pub fn getRow(self: *Map, row: u16) []u32 {
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assert(row < self.lens.len);
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const start = self.row_size * row;
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assert(start < self.rows.len);
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return self.rows[start..][0..self.lens[row]];
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}
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/// Clear a given row by resetting its len.
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pub fn clearRow(self: *Map, row: u16) void {
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assert(row < self.lens.len);
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self.lens[row] = 0;
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}
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};
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/// The grid size of the terminal. This is used to determine the
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/// map array index from a coordinate.
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@ -71,6 +134,15 @@ pub const Contents = struct {
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bgs: std.ArrayListUnmanaged(mtl_shaders.CellBg),
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text: std.ArrayListUnmanaged(mtl_shaders.CellText),
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/// The map for the bg cells.
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bg_map: Map,
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/// The map for the text cells.
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tx_map: Map,
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/// The map for the underline cells.
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ul_map: Map,
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/// The map for the strikethrough cells.
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st_map: Map,
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/// True when the cursor should be rendered. This is managed by
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/// the setCursor method and should not be set directly.
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cursor: bool,
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@ -80,14 +152,14 @@ pub const Contents = struct {
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const text_reserved_len = 1;
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pub fn init(alloc: Allocator) !Contents {
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const map = try alloc.alloc(Map, 0);
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errdefer alloc.free(map);
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var result: Contents = .{
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.map = map,
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.size = .{ .rows = 0, .columns = 0 },
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.bgs = .{},
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.text = .{},
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.bg_map = try Map.init(alloc, .{ .rows = 0, .columns = 0 }),
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.tx_map = try Map.init(alloc, .{ .rows = 0, .columns = 0 }),
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.ul_map = try Map.init(alloc, .{ .rows = 0, .columns = 0 }),
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.st_map = try Map.init(alloc, .{ .rows = 0, .columns = 0 }),
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.cursor = false,
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};
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@ -101,9 +173,12 @@ pub const Contents = struct {
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}
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pub fn deinit(self: *Contents, alloc: Allocator) void {
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alloc.free(self.map);
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self.bgs.deinit(alloc);
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self.text.deinit(alloc);
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self.bg_map.deinit(alloc);
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self.tx_map.deinit(alloc);
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self.ul_map.deinit(alloc);
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self.st_map.deinit(alloc);
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}
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/// Resize the cell contents for the given grid size. This will
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@ -113,22 +188,30 @@ pub const Contents = struct {
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alloc: Allocator,
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size: renderer.GridSize,
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) !void {
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const map = try alloc.alloc(Map, size.rows * size.columns);
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errdefer alloc.free(map);
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@memset(map, .{});
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alloc.free(self.map);
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self.map = map;
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self.size = size;
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self.bgs.clearAndFree(alloc);
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self.text.shrinkAndFree(alloc, text_reserved_len);
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self.bg_map.deinit(alloc);
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self.tx_map.deinit(alloc);
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self.ul_map.deinit(alloc);
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self.st_map.deinit(alloc);
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self.bg_map = try Map.init(alloc, size);
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self.tx_map = try Map.init(alloc, size);
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self.ul_map = try Map.init(alloc, size);
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self.st_map = try Map.init(alloc, size);
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}
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/// Reset the cell contents to an empty state without resizing.
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pub fn reset(self: *Contents) void {
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@memset(self.map, .{});
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self.bgs.clearRetainingCapacity();
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self.text.shrinkRetainingCapacity(text_reserved_len);
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self.bg_map.reset();
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self.tx_map.reset();
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self.ul_map.reset();
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self.st_map.reset();
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}
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/// Returns the slice of fg cell contents to sync with the GPU.
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@ -154,325 +237,263 @@ pub const Contents = struct {
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self.text.items[0] = cell;
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}
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/// Get the cell contents for the given type and coordinate.
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pub fn get(
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self: *const Contents,
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comptime key: Key,
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coord: terminal.Coordinate,
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) ?key.CellType() {
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const mapping = self.map[self.index(coord)].array.get(key);
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if (!mapping.set) return null;
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return switch (key) {
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.bg => self.bgs.items[mapping.index],
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.text,
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.underline,
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.strikethrough,
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=> self.text.items[mapping.index],
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};
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}
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/// Set the cell contents for a given type of content at a given
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/// coordinate (provided by the celll contents).
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pub fn set(
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/// Add a cell to the appropriate list. Adding the same cell twice will
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/// result in duplication in the vertex buffer. The caller should clear
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/// the corresponding row with Contents.clear to remove old cells first.
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pub fn add(
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self: *Contents,
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alloc: Allocator,
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comptime key: Key,
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cell: key.CellType(),
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) !void {
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const mapping = self.map[
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self.index(.{
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.x = cell.grid_pos[0],
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.y = cell.grid_pos[1],
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})
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].array.getPtr(key);
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// Get our list of cells based on the key (comptime).
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const list = &@field(self, switch (key) {
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.bg => "bgs",
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.text, .underline, .strikethrough => "text",
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});
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// If this content type is already set on this cell, we can
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// simply update the pre-existing index in the list to the new
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// contents.
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if (mapping.set) {
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list.items[mapping.index] = cell;
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return;
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}
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// Otherwise we need to append the new cell to the list.
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const idx: u31 = @intCast(list.items.len);
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// Add a new cell to the list.
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const idx: u32 = @intCast(list.items.len);
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try list.append(alloc, cell);
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mapping.* = .{ .set = true, .index = idx };
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// And to the appropriate mapping.
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self.getMap(key).add(cell.grid_pos[1], idx);
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}
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/// Clear all of the cell contents for a given row.
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///
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/// Due to the way this works internally, it is best to clear rows
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/// from the bottom up. This is because when we clear a row, we
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/// swap remove the last element in the list and then update the
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/// mapping for the swapped element. If we clear from the top down,
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/// then we would have to update the mapping for every element in
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/// the list. If we clear from the bottom up, then we only have to
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/// update the mapping for the last element in the list.
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pub fn clear(self: *Contents, y: terminal.size.CellCountInt) void {
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const start_idx = self.index(.{ .x = 0, .y = y });
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const end_idx = start_idx + self.size.columns;
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const maps = self.map[start_idx..end_idx];
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for (0..self.size.columns) |x| {
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// It is better to clear from the right left due to the same
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// reasons noted for bottom-up clearing in the doc comment.
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const rev_x = self.size.columns - x - 1;
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const map = &maps[rev_x];
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inline for (std.meta.fields(Key)) |field| {
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const key: Key = @enumFromInt(field.value);
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// Get our list of cells based on the key (comptime).
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const list = &@field(self, switch (key) {
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.bg => "bgs",
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.text, .underline, .strikethrough => "text",
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});
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var it = map.array.iterator();
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while (it.next()) |entry| {
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if (!entry.value.set) continue;
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const map = self.getMap(key);
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// This value is no longer set
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entry.value.set = false;
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const start = y * map.row_size;
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// Remove the value at index. This does a "swap remove"
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// which swaps the last element in to this place. This is
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// important because after this we need to update the mapping
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// for the swapped element.
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const original_index = entry.value.index;
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const coord_: ?terminal.Coordinate = switch (entry.key) {
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.bg => bg: {
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_ = self.bgs.swapRemove(original_index);
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if (self.bgs.items.len == original_index) break :bg null;
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const new = self.bgs.items[original_index];
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break :bg .{ .x = new.grid_pos[0], .y = new.grid_pos[1] };
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},
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// We iterate from the end of the row because this makes it more
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// likely that we remove from the end of the list, which results
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// in not having to re-map anything.
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while (map.lens[y] > 0) {
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map.lens[y] -= 1;
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const i = start + map.lens[y];
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const idx = map.rows[i];
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.text,
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.underline,
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.strikethrough,
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=> text: {
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_ = self.text.swapRemove(original_index);
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if (self.text.items.len == original_index) break :text null;
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const new = self.text.items[original_index];
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break :text .{ .x = new.grid_pos[0], .y = new.grid_pos[1] };
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},
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_ = list.swapRemove(idx);
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// If we took this cell off the end of the arraylist then
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// we won't need to re-map anything.
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if (idx == list.items.len) continue;
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const new = list.items[idx];
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const new_y = new.grid_pos[1];
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// The cell contents that were moved need to be remapped so
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// we don't lose track of them.
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switch (key) {
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.bg => self.remapBgs(new_y, idx),
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.text, .underline, .strikethrough => self.remapText(new_y, idx),
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}
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}
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}
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}
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fn remapText(self: *Contents, row: u16, idx: u32) void {
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for (self.tx_map.getRow(row)) |*new_idx| {
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if (new_idx.* == self.text.items.len) {
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new_idx.* = idx;
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return;
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}
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}
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for (self.ul_map.getRow(row)) |*new_idx| {
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if (new_idx.* == self.text.items.len) {
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new_idx.* = idx;
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return;
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}
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}
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for (self.st_map.getRow(row)) |*new_idx| {
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if (new_idx.* == self.text.items.len) {
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new_idx.* = idx;
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return;
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}
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}
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}
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fn remapBgs(self: *Contents, row: u16, idx: u32) void {
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for (self.bg_map.getRow(row)) |*new_idx| {
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if (new_idx.* == self.bgs.items.len) {
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new_idx.* = idx;
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return;
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}
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}
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}
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fn getMap(self: *Contents, key: Key) *Map {
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return switch (key) {
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.bg => &self.bg_map,
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.text => &self.tx_map,
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.underline => &self.ul_map,
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.strikethrough => &self.st_map,
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};
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// If we have the coordinate of the swapped element, then
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// we need to update it to point at its new index, which is
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// the index of the element we just removed.
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//
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// The reason we wouldn't have a coordinate is if we are
|
||||
// removing the last element in the array, then nothing
|
||||
// is swapped in and nothing needs to be updated.
|
||||
if (coord_) |coord| {
|
||||
const old_index = switch (entry.key) {
|
||||
.bg => self.bgs.items.len,
|
||||
.text, .underline, .strikethrough => self.text.items.len,
|
||||
};
|
||||
var old_it = self.map[self.index(coord)].array.iterator();
|
||||
while (old_it.next()) |old_entry| {
|
||||
if (old_entry.value.set and
|
||||
old_entry.value.index == old_index and
|
||||
entry.key.sharedData(old_entry.key))
|
||||
{
|
||||
old_entry.value.index = original_index;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn index(self: *const Contents, coord: terminal.Coordinate) usize {
|
||||
return coord.y * self.size.columns + coord.x;
|
||||
}
|
||||
|
||||
/// The mapping of a cell at a specific coordinate to the index in the
|
||||
/// vertex arrays where the cell content is at, if it is set.
|
||||
const Map = struct {
|
||||
/// The set of cell content mappings for a given cell for every
|
||||
/// possible key. This is used to determine if a cell has a given
|
||||
/// type of content (i.e. an underlyine styling) and if so what index
|
||||
/// in the cells array that content is at.
|
||||
const Array = std.EnumArray(Key, Mapping);
|
||||
|
||||
/// The mapping for a given key consists of a bit indicating if the
|
||||
/// content is set and the index in the cells array that the content
|
||||
/// is at. We pack this into a 32-bit integer so we only use 4 bytes
|
||||
/// per possible cell content type.
|
||||
const Mapping = packed struct(u32) {
|
||||
set: bool = false,
|
||||
index: u31 = 0,
|
||||
};
|
||||
|
||||
/// The backing array of mappings.
|
||||
array: Array = Array.initFill(.{}),
|
||||
|
||||
pub fn empty(self: *Map) bool {
|
||||
var it = self.array.iterator();
|
||||
while (it.next()) |entry| {
|
||||
if (entry.value.set) return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
test Contents {
|
||||
const testing = std.testing;
|
||||
const alloc = testing.allocator;
|
||||
// test Contents {
|
||||
// const testing = std.testing;
|
||||
// const alloc = testing.allocator;
|
||||
//
|
||||
// const rows = 10;
|
||||
// const cols = 10;
|
||||
//
|
||||
// var c = try Contents.init(alloc);
|
||||
// try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
// defer c.deinit(alloc);
|
||||
//
|
||||
// // Assert that get returns null for everything.
|
||||
// for (0..rows) |y| {
|
||||
// for (0..cols) |x| {
|
||||
// try testing.expect(c.get(.bg, .{
|
||||
// .x = @intCast(x),
|
||||
// .y = @intCast(y),
|
||||
// }) == null);
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// // Set some contents
|
||||
// const cell: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 1 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// try c.set(alloc, .bg, cell);
|
||||
// try testing.expectEqual(cell, c.get(.bg, .{ .x = 4, .y = 1 }).?);
|
||||
//
|
||||
// // Can clear it
|
||||
// c.clear(1);
|
||||
// for (0..rows) |y| {
|
||||
// for (0..cols) |x| {
|
||||
// try testing.expect(c.get(.bg, .{
|
||||
// .x = @intCast(x),
|
||||
// .y = @intCast(y),
|
||||
// }) == null);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
const rows = 10;
|
||||
const cols = 10;
|
||||
// test "Contents clear retains other content" {
|
||||
// const testing = std.testing;
|
||||
// const alloc = testing.allocator;
|
||||
//
|
||||
// const rows = 10;
|
||||
// const cols = 10;
|
||||
//
|
||||
// var c = try Contents.init(alloc);
|
||||
// try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
// defer c.deinit(alloc);
|
||||
//
|
||||
// // Set some contents
|
||||
// const cell1: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 1 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// const cell2: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 2 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// try c.set(alloc, .bg, cell1);
|
||||
// try c.set(alloc, .bg, cell2);
|
||||
// c.clear(1);
|
||||
//
|
||||
// // Row 2 should still be valid.
|
||||
// try testing.expectEqual(cell2, c.get(.bg, .{ .x = 4, .y = 2 }).?);
|
||||
// }
|
||||
|
||||
var c = try Contents.init(alloc);
|
||||
try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
defer c.deinit(alloc);
|
||||
// test "Contents clear last added content" {
|
||||
// const testing = std.testing;
|
||||
// const alloc = testing.allocator;
|
||||
//
|
||||
// const rows = 10;
|
||||
// const cols = 10;
|
||||
//
|
||||
// var c = try Contents.init(alloc);
|
||||
// try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
// defer c.deinit(alloc);
|
||||
//
|
||||
// // Set some contents
|
||||
// const cell1: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 1 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// const cell2: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 2 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// try c.set(alloc, .bg, cell1);
|
||||
// try c.set(alloc, .bg, cell2);
|
||||
// c.clear(2);
|
||||
//
|
||||
// // Row 2 should still be valid.
|
||||
// try testing.expectEqual(cell1, c.get(.bg, .{ .x = 4, .y = 1 }).?);
|
||||
// }
|
||||
|
||||
// Assert that get returns null for everything.
|
||||
for (0..rows) |y| {
|
||||
for (0..cols) |x| {
|
||||
try testing.expect(c.get(.bg, .{
|
||||
.x = @intCast(x),
|
||||
.y = @intCast(y),
|
||||
}) == null);
|
||||
}
|
||||
}
|
||||
|
||||
// Set some contents
|
||||
const cell: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 1 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
try c.set(alloc, .bg, cell);
|
||||
try testing.expectEqual(cell, c.get(.bg, .{ .x = 4, .y = 1 }).?);
|
||||
|
||||
// Can clear it
|
||||
c.clear(1);
|
||||
for (0..rows) |y| {
|
||||
for (0..cols) |x| {
|
||||
try testing.expect(c.get(.bg, .{
|
||||
.x = @intCast(x),
|
||||
.y = @intCast(y),
|
||||
}) == null);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
test "Contents clear retains other content" {
|
||||
const testing = std.testing;
|
||||
const alloc = testing.allocator;
|
||||
|
||||
const rows = 10;
|
||||
const cols = 10;
|
||||
|
||||
var c = try Contents.init(alloc);
|
||||
try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
defer c.deinit(alloc);
|
||||
|
||||
// Set some contents
|
||||
const cell1: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 1 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
const cell2: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 2 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
try c.set(alloc, .bg, cell1);
|
||||
try c.set(alloc, .bg, cell2);
|
||||
c.clear(1);
|
||||
|
||||
// Row 2 should still be valid.
|
||||
try testing.expectEqual(cell2, c.get(.bg, .{ .x = 4, .y = 2 }).?);
|
||||
}
|
||||
|
||||
test "Contents clear last added content" {
|
||||
const testing = std.testing;
|
||||
const alloc = testing.allocator;
|
||||
|
||||
const rows = 10;
|
||||
const cols = 10;
|
||||
|
||||
var c = try Contents.init(alloc);
|
||||
try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
defer c.deinit(alloc);
|
||||
|
||||
// Set some contents
|
||||
const cell1: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 1 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
const cell2: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 2 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
try c.set(alloc, .bg, cell1);
|
||||
try c.set(alloc, .bg, cell2);
|
||||
c.clear(2);
|
||||
|
||||
// Row 2 should still be valid.
|
||||
try testing.expectEqual(cell1, c.get(.bg, .{ .x = 4, .y = 1 }).?);
|
||||
}
|
||||
|
||||
test "Contents clear modifies same data array" {
|
||||
const testing = std.testing;
|
||||
const alloc = testing.allocator;
|
||||
|
||||
const rows = 10;
|
||||
const cols = 10;
|
||||
|
||||
var c = try Contents.init(alloc);
|
||||
try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
defer c.deinit(alloc);
|
||||
|
||||
// Set some contents
|
||||
const cell1: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 1 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
const cell2: mtl_shaders.CellBg = .{
|
||||
.mode = .rgb,
|
||||
.grid_pos = .{ 4, 2 },
|
||||
.cell_width = 1,
|
||||
.color = .{ 0, 0, 0, 1 },
|
||||
};
|
||||
try c.set(alloc, .bg, cell1);
|
||||
try c.set(alloc, .bg, cell2);
|
||||
|
||||
const fg1: mtl_shaders.CellText = text: {
|
||||
var cell: mtl_shaders.CellText = undefined;
|
||||
cell.grid_pos = .{ 4, 1 };
|
||||
break :text cell;
|
||||
};
|
||||
const fg2: mtl_shaders.CellText = text: {
|
||||
var cell: mtl_shaders.CellText = undefined;
|
||||
cell.grid_pos = .{ 4, 2 };
|
||||
break :text cell;
|
||||
};
|
||||
try c.set(alloc, .text, fg1);
|
||||
try c.set(alloc, .text, fg2);
|
||||
|
||||
c.clear(1);
|
||||
|
||||
// Should have all of row 2
|
||||
try testing.expectEqual(cell2, c.get(.bg, .{ .x = 4, .y = 2 }).?);
|
||||
try testing.expectEqual(fg2, c.get(.text, .{ .x = 4, .y = 2 }).?);
|
||||
}
|
||||
// test "Contents clear modifies same data array" {
|
||||
// const testing = std.testing;
|
||||
// const alloc = testing.allocator;
|
||||
//
|
||||
// const rows = 10;
|
||||
// const cols = 10;
|
||||
//
|
||||
// var c = try Contents.init(alloc);
|
||||
// try c.resize(alloc, .{ .rows = rows, .columns = cols });
|
||||
// defer c.deinit(alloc);
|
||||
//
|
||||
// // Set some contents
|
||||
// const cell1: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 1 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// const cell2: mtl_shaders.CellBg = .{
|
||||
// .mode = .rgb,
|
||||
// .grid_pos = .{ 4, 2 },
|
||||
// .cell_width = 1,
|
||||
// .color = .{ 0, 0, 0, 1 },
|
||||
// };
|
||||
// try c.set(alloc, .bg, cell1);
|
||||
// try c.set(alloc, .bg, cell2);
|
||||
//
|
||||
// const fg1: mtl_shaders.CellText = text: {
|
||||
// var cell: mtl_shaders.CellText = undefined;
|
||||
// cell.grid_pos = .{ 4, 1 };
|
||||
// break :text cell;
|
||||
// };
|
||||
// const fg2: mtl_shaders.CellText = text: {
|
||||
// var cell: mtl_shaders.CellText = undefined;
|
||||
// cell.grid_pos = .{ 4, 2 };
|
||||
// break :text cell;
|
||||
// };
|
||||
// try c.set(alloc, .text, fg1);
|
||||
// try c.set(alloc, .text, fg2);
|
||||
//
|
||||
// c.clear(1);
|
||||
//
|
||||
// // Should have all of row 2
|
||||
// try testing.expectEqual(cell2, c.get(.bg, .{ .x = 4, .y = 2 }).?);
|
||||
// try testing.expectEqual(fg2, c.get(.text, .{ .x = 4, .y = 2 }).?);
|
||||
// }
|
||||
|
||||
test "Contents.Map size" {
|
||||
// We want to be mindful of when this increases because it affects
|
||||
|
||||
Reference in New Issue
Block a user