feat: finish ghostty pane backend integration

1 files changed, 45 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/src/renderer/opengl/Sampler.zig b/vendor/libghostty-vt/src/renderer/opengl/Sampler.zig
new file mode 100644
index 00000000..f4013c68
--- /dev/null
+++ b/vendor/libghostty-vt/src/renderer/opengl/Sampler.zig
@@ -0,0 +1,45 @@
+//! Wrapper for handling samplers.
+const Self = @This();
+
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const gl = @import("opengl");
+
+const OpenGL = @import("../OpenGL.zig");
+
+const log = std.log.scoped(.opengl);
+
+/// Options for initializing a sampler.
+pub const Options = struct {
+    min_filter: gl.Texture.MinFilter,
+    mag_filter: gl.Texture.MagFilter,
+    wrap_s: gl.Texture.Wrap,
+    wrap_t: gl.Texture.Wrap,
+};
+
+sampler: gl.Sampler,
+
+pub const Error = error{
+    /// An OpenGL API call failed.
+    OpenGLFailed,
+};
+
+/// Initialize a sampler
+pub fn init(
+    opts: Options,
+) Error!Self {
+    const sampler = gl.Sampler.create() catch return error.OpenGLFailed;
+    errdefer sampler.destroy();
+    sampler.parameter(.WrapS, @intFromEnum(opts.wrap_s)) catch return error.OpenGLFailed;
+    sampler.parameter(.WrapT, @intFromEnum(opts.wrap_t)) catch return error.OpenGLFailed;
+    sampler.parameter(.MinFilter, @intFromEnum(opts.min_filter)) catch return error.OpenGLFailed;
+    sampler.parameter(.MagFilter, @intFromEnum(opts.mag_filter)) catch return error.OpenGLFailed;
+
+    return .{
+        .sampler = sampler,
+    };
+}
+
+pub fn deinit(self: Self) void {
+    self.sampler.destroy();
+}