renaming intel driver to Flint

src/intel/FlintShaderModule.zig

@@ -0,0 +1,44 @@
+const std = @import("std");
+const vk = @import("vulkan");
+const base = @import("base");
+
+const VkError = base.VkError;
+
+const Self = @This();
+pub const Interface = base.ShaderModule;
+
+interface: Interface,
+ref_count: std.atomic.Value(usize),
+
+pub fn create(device: *base.Device, allocator: std.mem.Allocator, info: *const vk.ShaderModuleCreateInfo) VkError!*Self {
+    const self = allocator.create(Self) catch return VkError.OutOfHostMemory;
+    errdefer allocator.destroy(self);
+
+    var interface = try Interface.init(device, allocator, info);
+    interface.vtable = &.{ .destroy = destroy };
+
+    self.* = .{
+        .interface = interface,
+        .ref_count = std.atomic.Value(usize).init(1),
+    };
+    return self;
+}
+
+pub fn destroy(interface: *Interface, allocator: std.mem.Allocator) void {
+    const self: *Self = @alignCast(@fieldParentPtr("interface", interface));
+    self.unref(allocator);
+}
+
+pub fn drop(self: *Self, allocator: std.mem.Allocator) void {
+    allocator.destroy(self);
+}
+
+pub fn ref(self: *Self) void {
+    _ = self.ref_count.fetchAdd(1, .monotonic);
+}
+
+pub fn unref(self: *Self, allocator: std.mem.Allocator) void {
+    if (self.ref_count.fetchSub(1, .release) == 1) {
+        self.drop(allocator);
+    }
+}