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also generate command aliases (fixes #71)

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This commit is contained in:
Robin Voetter
2023-01-29 23:54:08 +01:00
parent 16b4524166
commit 2a631c4695
1 changed files with 65 additions and 26 deletions
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91
generator/vulkan/render.zig
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@@ -306,16 +306,22 @@ fn Renderer(comptime WriterType: type) type {
return mem.endsWith(u8, base_name, "Flags");
}
fn resolveDeclaration(self: Self, start_name: []const u8) ?*const reg.DeclarationType {
var name = start_name;
return while (true) {
const decl = self.declarations_by_name.get(name) orelse return null;
if (decl.* != .alias) {
break decl;
}
fn resolveDeclaration(self: Self, name: []const u8) ?reg.DeclarationType {
const decl = self.declarations_by_name.get(name) orelse return null;
return self.resolveAlias(decl.*) catch return null;
}
name = decl.alias.name;
} else unreachable;
fn resolveAlias(self: Self, start_decl: reg.DeclarationType) !reg.DeclarationType {
var decl = start_decl;
while (true) {
const name = switch (decl) {
.alias => |alias| alias.name,
else => return decl,
};
const decl_ptr = self.declarations_by_name.get(name) orelse return error.InvalidRegistry;
decl = decl_ptr.*;
}
}
fn isInOutPointer(self: Self, ptr: reg.Pointer) !bool {
@@ -324,7 +330,7 @@ fn Renderer(comptime WriterType: type) type {
}
const decl = self.resolveDeclaration(ptr.child.name) orelse return error.InvalidRegistry;
if (decl.* != .container) {
if (decl != .container) {
return false;
}
@@ -953,15 +959,23 @@ fn Renderer(comptime WriterType: type) type {
fn renderCommandPtrs(self: *Self) !void {
for (self.registry.decls) |decl| {
if (decl.decl_type != .command) {
continue;
switch (decl.decl_type) {
.command => {
try self.writer.writeAll("pub const ");
try self.renderCommandPtrName(decl.name);
try self.writer.writeAll(" = ");
try self.renderCommandPtr(decl.decl_type.command, false);
try self.writer.writeAll(";\n");
},
.alias => |alias| if (alias.target == .other_command) {
try self.writer.writeAll("pub const ");
try self.renderCommandPtrName(decl.name);
try self.writer.writeAll(" = ");
try self.renderCommandPtrName(alias.name);
try self.writer.writeAll(";\n");
},
else => {},
}
try self.writer.writeAll("pub const ");
try self.renderCommandPtrName(decl.name);
try self.writer.writeAll(" = ");
try self.renderCommandPtr(decl.decl_type.command, false);
try self.writer.writeAll(";\n");
}
}
@@ -1044,7 +1058,10 @@ fn Renderer(comptime WriterType: type) type {
\\
, .{name});
for (self.registry.decls) |decl| {
const command = switch (decl.decl_type) {
// If the target type does not exist, it was likely an empty enum -
// assume spec is correct and that this was not a function alias.
const decl_type = self.resolveAlias(decl.decl_type) catch continue;
const command = switch (decl_type) {
.command => |cmd| cmd,
else => continue,
};
@@ -1062,7 +1079,10 @@ fn Renderer(comptime WriterType: type) type {
\\
, .{name});
for (self.registry.decls) |decl| {
const command = switch (decl.decl_type) {
// If the target type does not exist, it was likely an empty enum -
// assume spec is correct and that this was not a function alias.
const decl_type = self.resolveAlias(decl.decl_type) catch continue;
const command = switch (decl_type) {
.command => |cmd| cmd,
else => continue,
};
@@ -1083,7 +1103,10 @@ fn Renderer(comptime WriterType: type) type {
\\
, .{name});
for (self.registry.decls) |decl| {
const command = switch (decl.decl_type) {
// If the target type does not exist, it was likely an empty enum -
// assume spec is correct and that this was not a function alias.
const decl_type = self.resolveAlias(decl.decl_type) catch continue;
const command = switch (decl_type) {
.command => |cmd| cmd,
else => continue,
};
@@ -1153,11 +1176,27 @@ fn Renderer(comptime WriterType: type) type {
try self.renderWrapperLoader(dispatch_type);
for (self.registry.decls) |decl| {
if (decl.decl_type == .command) {
const command = decl.decl_type.command;
if (classifyCommandDispatch(decl.name, command) == dispatch_type) {
try self.renderWrapper(decl.name, decl.decl_type.command);
}
// If the target type does not exist, it was likely an empty enum -
// assume spec is correct and that this was not a function alias.
const decl_type = self.resolveAlias(decl.decl_type) catch continue;
const command = switch (decl_type) {
.command => |cmd| cmd,
else => continue,
};
if (classifyCommandDispatch(decl.name, command) != dispatch_type) {
continue;
}
switch (decl.decl_type) {
.command => try self.renderWrapper(decl.name, decl.decl_type.command),
.alias => |alias| {
try self.writer.writeAll("pub const ");
try self.writeIdentifierWithCase(.camel, trimVkNamespace(decl.name));
try self.writer.writeAll(" = ");
try self.writeIdentifierWithCase(.camel, trimVkNamespace(alias.name));
try self.writer.writeAll(";\n");
},
else => unreachable,
}
}