screen: add frame-buffer

1 files changed, 11 insertions, 0 deletions

diff --git a/src/screen/drm/frame-buffer/pixelformat.zig b/src/screen/drm/frame-buffer/pixelformat.zig
new file mode 100644
index 0000000..a4b3f9a
--- /dev/null
+++ b/src/screen/drm/frame-buffer/pixelformat.zig
@@ -0,0 +1,11 @@
+
+fn pixel_format_code(comptime a: u8, comptime b: u8, comptime c: u8, comptime d: u8) u32 {
+    return @as(u32, @intCast(a)) |
+           (@as(u32, @intCast(b)) << 8) |
+           (@as(u32, @intCast(c)) << 16) |
+           (@as(u32, @intCast(d)) << 24);
+}
+
+pub const PixelFormat = enum(u32) {
+    xrgb8888 = pixel_format_code('X', 'R', '2', '4'),
+};