1 files changed, 21 insertions, 29 deletions

diff --git a/src/screen/main.zig b/src/screen/main.zig
index 673be0e..0514210 100644
--- a/src/screen/main.zig
+++ b/src/screen/main.zig
@@ -14,30 +14,17 @@ pub fn main() !void {
 	var connector = try card.connector(resources.connector_ids[0]);
 	defer connector.deinit();
 
-	std.debug.print("connector = {}\n", .{ connector.id });
-
 	const mode = connector.modes[0];
 
-	std.debug.print("mode = {s}@{d}Hz\n", .{ mode.name, mode.frame_rate() });
-
 	var crtc = try card.crtc(resources.crtc_ids[
 		connector.compatible_crtc() orelse @panic("no crtc found")
 	]);
 	defer crtc.detach();
 
-	std.debug.print("crtc = {}\n", .{ crtc.id });
-
-	var double_buffer = try card.create_double_buffer(mode.horizontal.size, mode.vertical.size, 32);
-	defer double_buffer.deinit();
+	var buffer = try card.create_buffer(mode.horizontal.size, mode.vertical.size);
+	defer buffer.deinit();
 
-	std.debug.print("buffer = {}, {}x{}, stride = {}\n", .{
-		double_buffer.current.id,
-		double_buffer.current.width,
-		double_buffer.current.height,
-		double_buffer.current.stride,
-	});
-
-	try crtc.attach(&double_buffer, &connector, mode);
+	try crtc.attach(&buffer, &connector, mode);
 
 	const Pos = struct { x: f32, y: f32 };
 
@@ -46,13 +33,20 @@ pub fn main() !void {
 	var delta: f32 = 0;
 	const size = 100;
 
-	const width: f32 = @floatFromInt(double_buffer.current.width);
-	const height: f32 = @floatFromInt(double_buffer.current.height);
+	const width: f32 = @floatFromInt(buffer.current.width);
+	const height: f32 = @floatFromInt(buffer.current.height);
 
 	while (true) {
 		const start = try std.time.Instant.now();
 
-		double_buffer.current.fill(.{ .red = 0x25, .green = 0x25, .blue = 0x25 });
+		@memset(
+			buffer.current.pixels,
+			.{
+				.red = 0x25,
+				.green = 0x25,
+				.blue = 0x25
+			}
+		);
 
 		pos.x += vec.x * delta;
 		pos.y += vec.y * delta;
@@ -75,23 +69,21 @@ pub fn main() !void {
 
 		for (0..size) |w| {
 			for (0..size) |h| {
-				double_buffer.current.set(
-					@as(u32, @intFromFloat(pos.x)) + @as(u32, @intCast(w)),
-					@as(u32, @intFromFloat(pos.y)) + @as(u32, @intCast(h)),
-					.{
-						.red = 0xff,
-						.green = 0,
-						.blue = 0,
-					});
+				const x = @as(usize, @intFromFloat(pos.x)) + w;
+				const y = @as(usize, @intFromFloat(pos.y)) + h;
+				buffer.current.pixels[x + buffer.current.width * y] = .{
+					.red = 0xff,
+					.green = 0,
+					.blue = 0,
+				};
 			}
 		}
 
 		const end = try std.time.Instant.now();
 		const elapsed = (@as(f32, @floatFromInt(end.since(start))) / std.time.ns_per_s);
-		std.debug.print("FPS: {d:.2}\r", .{ 1 / elapsed });
 		delta = elapsed * 60;
 
-		try crtc.page_flip(&double_buffer);
+		try crtc.page_flip(&buffer);
 
 		while (true) {
 			var event: ?drm.Event = null;