gpu: fix filename case sensitivity

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu/src/Buffer.zig

@@ -1,67 +0,0 @@
-const std = @import("std");
-const ChainedStruct = @import("types.zig").ChainedStruct;
-
-pub const Buffer = enum(usize) {
-    _,
-
-    pub const none: Buffer = @intToEnum(Buffer, 0);
-
-    pub const BindingType = enum(u32) {
-        undef = 0x00000000,
-        uniform = 0x00000001,
-        storage = 0x00000002,
-        read_only_storage = 0x00000003,
-    };
-
-    pub const MapAsyncStatus = enum(u32) {
-        success = 0x00000000,
-        err = 0x00000001,
-        unknown = 0x00000002,
-        device_lost = 0x00000003,
-        destroyed_before_callback = 0x00000004,
-        unmapped_before_callback = 0x00000005,
-    };
-
-    pub const Usage = packed struct {
-        map_read: bool = false,
-        map_write: bool = false,
-        copy_src: bool = false,
-        copy_dst: bool = false,
-        index: bool = false,
-        vertex: bool = false,
-        uniform: bool = false,
-        storage: bool = false,
-        indirect: bool = false,
-        query_resolve: bool = false,
-
-        _padding: u22 = 0,
-
-        comptime {
-            std.debug.assert(
-                @sizeOf(@This()) == @sizeOf(u32) and
-                    @bitSizeOf(@This()) == @bitSizeOf(u32),
-            );
-        }
-
-        pub const none = Usage{};
-
-        pub fn equal(a: Usage, b: Usage) bool {
-            return @truncate(u10, @bitCast(u32, a)) == @truncate(u10, @bitCast(u32, b));
-        }
-    };
-
-    pub const BindingLayout = extern struct {
-        next_in_chain: *const ChainedStruct,
-        type: BindingType,
-        has_dynamic_offset: bool = false,
-        min_binding_size: u64 = 0,
-    };
-
-    pub const Descriptor = extern struct {
-        next_in_chain: *const ChainedStruct,
-        label: ?[*:0]const u8 = null,
-        usage: Usage,
-        size: u64,
-        mapped_at_creation: bool,
-    };
-};