Commit a61d96ffcea7613172d2f3a44da7059b3ad40d73 - openxPriments

better DiligentEngine GLTF interface s-ol 1 year, 11 months ago

1 changed file(s) with 32 addition(s) and 22 deletion(s). Raw diff Collapse all Expand all

+32

-22

lib/diligent/generator.zig less more

0	0	const std = @import("std");
1	1	const mem = std.mem;
2	2
3		fn getImports(interfaces: []const []const u8) type {
	3	fn getImports(headers: []const []const u8) type {
4	4	return @cImport({
5	5	@cDefine("DILIGENT_C_API", "1");
6	6	@cDefine("PLATFORM_LINUX", "1");
7	7	@cInclude("vulkan/vulkan_core.h");
8		for (interfaces) \|interface\| {
9		@cInclude(interface);
	8	for (headers) \|header\| {
	9	@cInclude(header);
10	10	}
11	11	});
12	12	}
13	13
14		fn generateCImport(writer: anytype, interfaces: []const []const u8) !void {
	14	fn generateCImport(writer: anytype, headers: []const []const u8) !void {
15	15	try writer.writeAll(
16	16	\\usingnamespace @cImport({
17	17	\\ @cDefine("DILIGENT_C_API", "1");
18	18	\\ @cDefine("PLATFORM_LINUX", "1");
19	19	\\ @cInclude("vulkan/vulkan_core.h");
20	20	);
21		for (interfaces) \|interface\| {
22		try writer.print("\n @cInclude(\"{}\");", .{interface});
	21	for (headers) \|header\| {
	22	try writer.print("\n @cInclude(\"{}\");", .{header});
23	23	}
24	24	try writer.writeAll("\n});\n");
25	25	}

94	94	try writer.writeAll("};\n");
95	95	}
96	96
97		pub fn generate(comptime interfaces: []const []const u8, writer: anytype) !void {
98		const c = getImports(interfaces);
99		try generateCImport(writer, interfaces);
	97	pub fn generate(
	98	comptime headers: []const []const u8,
	99	comptime interfaces: []const []const u8,
	100	writer: anytype,
	101	) !void {
	102	const c = getImports(headers);
	103	try generateCImport(writer, headers);
100	104
101	105	inline for (interfaces) \|interface\| {
102	106	@setEvalBranchQuota(10000);
103	107
104		// e.g. "Graphics/GraphicsEngineVulkan/interface/EngineFactoryVk.h"
105		const name = comptime blk: {
106		const basename = std.fs.path.basenamePosix(interface);
107		var name_buffer = [_]u8{0} ** 256;
108		break :blk try std.fmt.bufPrint(name_buffer[0..], "I{}", .{basename[0 .. basename.len - 2]});
109		};
110
111		if (@hasDecl(c, name)) {
112		try generateWrapper(@field(c, name), name, writer);
113		}
	108	try generateWrapper(@field(c, interface), interface, writer);
114	109	}
115	110	}
116	111
117	112	pub fn main() !void {
118		comptime const interfaces = [_][]const u8{
	113	comptime const headers = [_][]const u8{
119	114	"Graphics/GraphicsEngine/interface/DeviceContext.h",
120	115	"Graphics/GraphicsEngine/interface/PipelineState.h",
121	116	"Graphics/GraphicsEngine/interface/ShaderResourceVariable.h",

128	123	"Graphics/GraphicsEngineVulkan/interface/SwapChainVk.h",
129	124	"TextureLoader/interface/TextureLoader.h",
130	125	"TextureLoader/interface/TextureUtilities.h",
131		"AssetLoader/interface/GLTFModel.h",
	126	"AssetLoader/interface/GLTFLoader.h",
132	127	"GLTF_PBR_Renderer/interface/GLTF_PBR_Renderer.h",
	128	};
	129
	130	comptime const interfaces = [_][]const u8{
	131	"IDeviceContext",
	132	"IPipelineState",
	133	"IShaderResourceVariable",
	134	"IShaderResourceBinding",
	135	"IPipelineResourceSignature",
	136	"IBuffer",
	137	"ITexture",
	138	"IRenderDeviceVk",
	139	"IEngineFactoryVk",
	140	"ISwapChainVk",
	141	"IGLTFModel",
	142	"IGLTF_PBR_Renderer",
133	143	};
134	144
135	145	const first_arg = std.os.argv[1];
136	146	const output_file = try std.fs.createFileAbsolute(first_arg[0..mem.len(first_arg)], .{ .truncate = true });
137	147	defer output_file.close();
138	148
139		try generate(interfaces[0..], output_file.writer());
	149	try generate(headers[0..], interfaces[0..], output_file.writer());
140	150	}