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Add vulkan video support

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Implements #174.
This commit is contained in:
Robin Voetter
2025-03-15 02:42:05 +01:00
parent dcd538828c
commit dcb1d96c59
11 changed files with 544 additions and 321 deletions
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25
src/main.zig
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@@ -22,7 +22,7 @@ fn reportParseErrors(tree: std.zig.Ast) !void {
}
}
pub fn main() void {
pub fn main() !void {
var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
defer arena.deinit();
const allocator = arena.allocator();
@@ -34,6 +34,7 @@ pub fn main() void {
var maybe_xml_path: ?[]const u8 = null;
var maybe_out_path: ?[]const u8 = null;
var maybe_video_xml_path: ?[]const u8 = null;
var debug: bool = false;
var api = generator.Api.vulkan;
@@ -52,7 +53,9 @@ pub fn main() void {
\\Options:
\\-h --help show this message and exit.
\\-a --api <api> Generate API for 'vulkan' or 'vulkansc'. Defaults to 'vulkan'.
\\--debug Write out unformatted source if does not parse correctly.
\\--debug Write out unformatted source if does not parse correctly.
\\--video <path> Also gnerate Vulkan Video API bindings from video.xml
\\ registry at <path>.
\\
,
.{prog_name},
@@ -68,12 +71,16 @@ pub fn main() void {
api = std.meta.stringToEnum(generator.Api, api_str) orelse {
invalidUsage(prog_name, "invalid api '{s}'", .{api_str});
};
} else if (std.mem.eql(u8, arg, "--debug")) {
debug = true;
} else if (std.mem.eql(u8, arg, "--video")) {
maybe_video_xml_path = args.next() orelse {
invalidUsage(prog_name, "{s} expects argument <path>", .{arg});
};
} else if (maybe_xml_path == null) {
maybe_xml_path = arg;
} else if (maybe_out_path == null) {
maybe_out_path = arg;
} else if (std.mem.eql(u8, arg, "--debug")) {
debug = true;
} else {
invalidUsage(prog_name, "superficial argument '{s}'", .{arg});
}
@@ -93,8 +100,16 @@ pub fn main() void {
std.process.exit(1);
};
const maybe_video_xml_src = if (maybe_video_xml_path) |video_xml_path|
cwd.readFileAlloc(allocator, video_xml_path, std.math.maxInt(usize)) catch |err| {
std.log.err("failed to open input file '{s}' ({s})", .{ video_xml_path, @errorName(err) });
std.process.exit(1);
}
else
null;
var out_buffer = std.ArrayList(u8).init(allocator);
generator.generate(allocator, api, xml_src, out_buffer.writer()) catch |err| switch (err) {
generator.generate(allocator, api, xml_src, maybe_video_xml_src, out_buffer.writer()) catch |err| switch (err) {
error.InvalidXml => {
std.log.err("invalid vulkan registry - invalid xml", .{});
std.log.err("please check that the correct vk.xml file is passed", .{});