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requiresCore parsing

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This commit is contained in:
Robin Voetter
2020-06-12 04:05:23 +02:00
parent ff9dff6544
commit f055759972
2 changed files with 16 additions and 2 deletions
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14
generator/registry/parse.zig
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@@ -629,6 +629,14 @@ fn parseExtension(allocator: *Allocator, extension: *xml.Element) !?registry.Ext
const platform = extension.getAttribute("platform");
const version = try findExtVersion(extension);
// For some reason there are two ways for an extension to state its required
// feature level: both seperately in each <require> tag, or using
// the requiresCore attribute.
const requires_core = if (extension.getAttribute("requiresCore")) |feature_level|
try splitFeatureLevel(feature_level, ".")
else
null;
const promoted_to: registry.Extension.Promotion = blk: {
const promotedto = extension.getAttribute("promotedto") orelse break :blk .none;
if (mem.startsWith(u8, promotedto, "VK_VERSION_")) {
@@ -666,6 +674,12 @@ fn parseExtension(allocator: *Allocator, extension: *xml.Element) !?registry.Ext
var it = extension.findChildrenByTag("require");
while (it.next()) |require| {
requires[i] = try parseRequire(allocator, require, number);
// If the required feature level has been set explicitly, keep it.
if (requires[i].required_feature_level == null) {
requires[i].required_feature_level = requires_core;
}
i += 1;
}