SPIR-V render setup

generator/index.zig

@@ -5,5 +5,6 @@ pub const ShaderCompileStep = @import("build_integration.zig").ShaderCompileStep
 
 test "main" {
     _ = @import("xml.zig");
-    _ = @import("vulkan/c-parse.zig");
+    _ = @import("vulkan/c_parse.zig");
+    _ = @import("spirv/generator.zig");
 }

generator/spirv/generator.zig

@@ -1,5 +1,6 @@
 const std = @import("std");
 const reg = @import("registry.zig");
+const renderSpirv = @import("render.zig").render;
 const Allocator = std.mem.Allocator;
 
 pub fn generate(allocator: *Allocator, spec_jsons: []const []const u8, writer: anytype) !void {
@@ -32,4 +33,6 @@ pub fn generate(allocator: *Allocator, spec_jsons: []const []const u8, writer: a
     if (ext_registry_i != num_ext_registries) {
         return error.MultipleCoreRegistries;
     }
+
+    try renderSpirv(writer, allocator, &core_registry, ext_registries);
 }

generator/spirv/render.zig

@@ -0,0 +1,49 @@
+const std = @import("std");
+const reg = @import("registry.zig");
+const IdRenderer = @import("../id_render.zig").IdRenderer;
+const Allocator = std.mem.Allocator;
+
+// The SPIR-V spec doesn't contain any tag information like vulkan.xml does,
+// so the tags are just hardcoded. They are retrieved from
+// https://github.com/KhronosGroup/SPIRV-Registry/tree/master/extensions
+const tags = [_][]const u8{
+    "AMD",
+    "EXT",
+    "GOOGLE",
+    "INTEL",
+    "KHR",
+    "NV",
+};
+
+fn Renderer(comptime WriterType: type) type {
+    return struct {
+        const Self = @This();
+
+        writer: WriterType,
+        allocator: *Allocator,
+        core: *const reg.CoreRegistry,
+        extensions: []const reg.ExtensionRegistry,
+        id_renderer: IdRenderer,
+
+        fn deinit(self: Self) void {
+
+        }
+
+        fn render(self: *Self) !void {
+
+        }
+    };
+}
+
+pub fn render(writer: anytype, allocator: *Allocator, core: *const reg.CoreRegistry, extensions: []const reg.ExtensionRegistry) !void {
+    const id_renderer = IdRenderer.init(allocator, &tags);
+    var renderer = Renderer(@TypeOf(writer)) {
+        .writer = writer,
+        .allocator = allocator,
+        .core = core,
+        .extensions = extensions,
+        .id_renderer = id_renderer,
+    };
+    defer renderer.deinit();
+    try renderer.render();
+}