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renderer: some tweaks

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This commit is contained in:
Mitchell Hashimoto
2024-10-02 15:43:54 -07:00
parent dfc0894d5d
commit 7aa2e2b24f
4 changed files with 24 additions and 38 deletions
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48
src/renderer/Metal.zig
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@ -631,7 +631,7 @@ pub fn init(alloc: Allocator, options: renderer.Options) !Metal {
.min_contrast = options.config.min_contrast,
.cursor_pos = .{ std.math.maxInt(u16), std.math.maxInt(u16) },
.cursor_color = undefined,
.wide_cursor = false,
.cursor_wide = false,
},
// Fonts
@ -2035,7 +2035,7 @@ pub fn setScreenSize(
.min_contrast = old.min_contrast,
.cursor_pos = old.cursor_pos,
.cursor_color = old.cursor_color,
.wide_cursor = old.wide_cursor,
.cursor_wide = old.cursor_wide,
};
// Reset our cell contents if our grid size has changed.
@ -2358,13 +2358,17 @@ fn rebuildCells(
const wide = screen.cursor.page_cell.wide;
self.uniforms.cursor_pos = .{
// If we are a spacer tail of a wide cell, our cursor needs
// to move back one cell. The saturate is to ensure we don't
// overflow but this shouldn't happen with well-formed input.
switch (wide) {
.narrow, .spacer_head, .wide => screen.cursor.x,
.spacer_tail => screen.cursor.x -| 1,
},
screen.cursor.y,
};
self.uniforms.wide_cursor = switch (wide) {
self.uniforms.cursor_wide = switch (wide) {
.narrow, .spacer_head => false,
.wide, .spacer_tail => true,
};
@ -2563,7 +2567,7 @@ fn updateCell(
const color = style.underlineColor(palette) orelse colors.fg;
try self.cells.add(self.alloc, .underline, .{
var gpu_cell: mtl_cell.Key.underline.CellType() = .{
.mode = .fg,
.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
.constraint_width = 1,
@ -2574,21 +2578,12 @@ fn updateCell(
@intCast(render.glyph.offset_x),
@intCast(render.glyph.offset_y),
},
});
};
try self.cells.add(self.alloc, .underline, gpu_cell);
// If it's a wide cell we need to underline the right half as well.
if (cell.gridWidth() > 1 and coord.x < self.cells.size.columns - 1) {
try self.cells.add(self.alloc, .underline, .{
.mode = .fg,
.grid_pos = .{ @intCast(coord.x + 1), @intCast(coord.y) },
.constraint_width = 1,
.color = .{ color.r, color.g, color.b, alpha },
.glyph_pos = .{ render.glyph.atlas_x, render.glyph.atlas_y },
.glyph_size = .{ render.glyph.width, render.glyph.height },
.bearings = .{
@intCast(render.glyph.offset_x),
@intCast(render.glyph.offset_y),
},
});
gpu_cell.grid_pos[0] = @intCast(coord.x + 1);
try self.cells.add(self.alloc, .underline, gpu_cell);
}
}
@ -2646,7 +2641,7 @@ fn updateCell(
},
);
try self.cells.add(self.alloc, .strikethrough, .{
var gpu_cell: mtl_cell.Key.strikethrough.CellType() = .{
.mode = .fg,
.grid_pos = .{ @intCast(coord.x), @intCast(coord.y) },
.constraint_width = 1,
@ -2657,21 +2652,12 @@ fn updateCell(
@intCast(render.glyph.offset_x),
@intCast(render.glyph.offset_y),
},
});
};
try self.cells.add(self.alloc, .strikethrough, gpu_cell);
// If it's a wide cell we need to strike through the right half as well.
if (cell.gridWidth() > 1 and coord.x < self.cells.size.columns - 1) {
try self.cells.add(self.alloc, .strikethrough, .{
.mode = .fg,
.grid_pos = .{ @intCast(coord.x + 1), @intCast(coord.y) },
.constraint_width = 1,
.color = .{ colors.fg.r, colors.fg.g, colors.fg.b, alpha },
.glyph_pos = .{ render.glyph.atlas_x, render.glyph.atlas_y },
.glyph_size = .{ render.glyph.width, render.glyph.height },
.bearings = .{
@intCast(render.glyph.offset_x),
@intCast(render.glyph.offset_y),
},
});
gpu_cell.grid_pos[0] = @intCast(coord.x + 1);
try self.cells.add(self.alloc, .strikethrough, gpu_cell);
}
}

2
src/renderer/metal/cell.zig
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@ -14,7 +14,7 @@ pub const Key = enum {
strikethrough,
/// Returns the GPU vertex type for this key.
fn CellType(self: Key) type {
pub fn CellType(self: Key) type {
return switch (self) {
.bg => mtl_shaders.CellBg,

2
src/renderer/metal/shaders.zig
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@ -138,7 +138,7 @@ pub const Uniforms = extern struct {
cursor_color: [4]u8 align(4),
// Whether the cursor is 2 cells wide.
wide_cursor: bool align(1),
cursor_wide: bool align(1),
const PaddingExtend = packed struct(u8) {
left: bool = false,

4
src/renderer/shaders/cell.metal
View File

@ -18,7 +18,7 @@ struct Uniforms {
float min_contrast;
ushort2 cursor_pos;
uchar4 cursor_color;
bool wide_cursor;
bool cursor_wide;
};
//-------------------------------------------------------------------
@ -296,7 +296,7 @@ vertex CellTextVertexOut cell_text_vertex(
in.mode != MODE_TEXT_CURSOR &&
(
in.grid_pos.x == uniforms.cursor_pos.x ||
uniforms.wide_cursor &&
uniforms.cursor_wide &&
in.grid_pos.x == uniforms.cursor_pos.x + 1
) &&
in.grid_pos.y == uniforms.cursor_pos.y