allemang.d/vulkan-zig
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remove configurable file name from GenerateStep & don't use path as part of cache hash

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This commit is contained in:
InKryption
2023-02-18 01:59:40 +01:00
parent c294b849d2
commit 71403a013b
2 changed files with 3 additions and 8 deletions
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2
build.zig
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@@ -46,7 +46,7 @@ pub fn build(b: *std.Build) void {
triangle_exe.linkSystemLibrary("glfw");
const example_registry = b.option([]const u8, "example-registry", "Override the path to the Vulkan registry") orelse "examples/vk.xml";
const gen = vkgen.VkGenerateStep.create(b, example_registry, "vk.zig");
const gen = vkgen.VkGenerateStep.create(b, example_registry);
triangle_exe.addModule("vulkan", gen.getModule());
const shaders = vkgen.ShaderCompileStep.create(

9
generator/vulkan/build_integration.zig
View File

@@ -12,15 +12,13 @@ pub const GenerateStep = struct {
step: Step,
builder: *Build,
generated_file: std.build.GeneratedFile,
/// Name of the resulting file
output_name: []const u8,
/// The path to vk.xml
spec_path: []const u8,
/// Initialize a Vulkan generation step, for `builder`. `spec_path` is the path to
/// vk.xml, relative to the project root. The generated bindings will be placed at
/// `out_path`, which is relative to the zig-cache directory.
pub fn create(builder: *Build, spec_path: []const u8, output_name: []const u8) *GenerateStep {
pub fn create(builder: *Build, spec_path: []const u8) *GenerateStep {
const self = builder.allocator.create(GenerateStep) catch unreachable;
self.* = .{
.step = Step.init(.custom, "vulkan-generate", builder.allocator, make),
@@ -28,7 +26,6 @@ pub const GenerateStep = struct {
.generated_file = .{
.step = &self.step,
},
.output_name = output_name,
.spec_path = spec_path,
};
return self;
@@ -74,9 +71,7 @@ pub const GenerateStep = struct {
// TODO: Look into whether this is the right way to be doing
// this - maybe the file-level caching API has some benefits I
// don't understand.
man.hash.addBytes(self.spec_path);
man.hash.addBytes(spec);
man.hash.addBytes(self.output_name);
const already_exists = man.hit() catch |err| @panic(switch (err) {
inline else => |e| "Cache error: " ++ @errorName(e),
@@ -84,7 +79,7 @@ pub const GenerateStep = struct {
const digest = man.final();
const output_file_path = try self.builder.cache_root.join(
self.builder.allocator,
&.{ "o", &digest, self.output_name },
&.{ "o", &digest, "vk.zig" },
);
if (already_exists) {
self.generated_file.path = output_file_path;