various fixes for macos

shaders/cell.f.glsl

@@ -14,7 +14,7 @@ flat in vec2 screen_cell_pos;
 layout(origin_upper_left) in vec4 gl_FragCoord;
 
 // Must declare this output for some versions of OpenGL.
-layout(location = 0) out vec4 FragColor;
+layout(location = 0) out vec4 out_FragColor;
 
 // Font texture
 uniform sampler2D text;
@@ -31,16 +31,16 @@ const uint MODE_CURSOR_RECT_HOLLOW = 4u;
 void main() {
     switch (mode) {
     case MODE_BG:
-        FragColor = color;
+        out_FragColor = color;
         break;
 
     case MODE_FG:
         float a = texture(text, glyph_tex_coords).r;
-        FragColor = vec4(color.rgb, color.a*a);
+        out_FragColor = vec4(color.rgb, color.a*a);
         break;
 
     case MODE_CURSOR_RECT:
-        FragColor = color;
+        out_FragColor = color;
         break;
 
     case MODE_CURSOR_RECT_HOLLOW:
@@ -49,7 +49,7 @@ void main() {
         // rectangle so we take the slowdown for that one.
 
         // Default to no color.
-        FragColor = vec4(0., 0., 0., 0.);
+        out_FragColor = vec4(0., 0., 0., 0.);
 
         // We subtracted one from cell size because our coordinates start at 0.
         // So a width of 50 means max pixel of 49.
@@ -73,7 +73,7 @@ void main() {
                     abs(cell_frag_coord.x - cell_size_coords.x) < eps ||
                     abs(cell_frag_coord.y) < eps ||
                     abs(cell_frag_coord.y - cell_size_coords.y) < eps) {
-                FragColor = color;
+                out_FragColor = color;
             }
         }
 

src/Window.zig

@@ -6,6 +6,7 @@
 const Window = @This();
 
 const std = @import("std");
+const builtin = @import("builtin");
 const assert = std.debug.assert;
 const Allocator = std.mem.Allocator;
 const Grid = @import("Grid.zig");
@@ -55,6 +56,7 @@ pub fn create(alloc: Allocator, loop: libuv.Loop) !*Window {
         .context_version_minor = 3,
         .opengl_profile = .opengl_core_profile,
         .opengl_forward_compat = true,
+        .cocoa_graphics_switching = builtin.os.tag == .macos,
     });
     errdefer window.destroy();
 

src/libuv/Embed.zig

@@ -105,7 +105,7 @@ fn threadMain(self: *Embed) void {
             .macos, .dragonfly, .freebsd, .openbsd, .netbsd => {
                 var ts: std.os.timespec = .{
                     .tv_sec = @divTrunc(timeout, 1000),
-                    .tv_nsec = @mod(timeout, 1000) * 1000,
+                    .tv_nsec = @mod(timeout, 1000) * 1000000,
                 };
 
                 var ev: [0]std.os.Kevent = undefined;