From 857261e9be33e862795ae6228ea05caf20c1a9d5 Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 1 Feb 2025 15:25:05 +0100
Subject: screen: drm add encoder

---
 src/screen/drm/encoder/root.zig | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/screen/drm/encoder/root.zig

(limited to 'src/screen/drm/encoder/root.zig')

diff --git a/src/screen/drm/encoder/root.zig b/src/screen/drm/encoder/root.zig
new file mode 100644
index 0000000..0712c76
--- /dev/null
+++ b/src/screen/drm/encoder/root.zig
@@ -0,0 +1,40 @@
+const std = @import("std");
+const Drm = @import("../request.zig").Drm;
+const Card = @import("../card.zig").Card;
+
+const Type = @import("type.zig").Type;
+
+pub const RawEncoder = extern struct {
+    id: u32,
+    type: Type,
+    crtc_id: u32,
+    possible_crtcs: u32,
+    possible_clones: u32,
+};
+
+pub const Encoder = struct {
+    const Self = @This();
+
+    id: u32,
+    type: Type,
+    possible_crtcs: u32,
+    possible_clones: u32,
+    card: *Card,
+
+    pub fn init(card: *Card, id: u32) !Self {
+        var raw = std.mem.zeroInit(RawEncoder, .{ .id = id });
+        try Drm.get_encoder.request(card.file.handle, RawEncoder, &raw);
+
+        return .{
+            .id = raw.id,
+            .type = raw.type,
+            .possible_crtcs = raw.possible_crtcs,
+            .possible_clones = raw.possible_clones,
+            .card = card
+        };
+    }
+
+    pub fn deinit(self: *Self) void {
+        _ = self;
+    }
+};
-- 
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