change to codegen for shader file

build.sh

@@ -41,3 +41,11 @@ shader_stage="-fshader-stage=comp"
 base_name=$(basename -- "$shader" .glsl)
 
 $shader_compiler $shader_flags $shader_stage $shader "${shader_out}${base_name}.spv"
+
+if 	 [ -x "$(command -v ldc2)" ]; then d_compiler="ldc2";
+elif [ -x "$(command -v dmd)"  ]; then d_compiler="dmd";
+else echo "Unable to find D compiler"; exit -1; fi;
+
+$codegen_src="${script_dir}/vulkan_codegen.d"
+
+$d_compiler $codegen_src $build/$base_name.spv

vulkan.d

@@ -7,6 +7,7 @@ import core.stdc.string : strcmp, memcpy;
 import core.stdc.stdio : Printf = printf;
 import std.format : sformat;
 import std.math.rounding : Ceil = ceil;
+import vulkan_shader;
 
 debug
 {
@@ -366,8 +367,6 @@ struct Vulkan
 	BufferView										 a_buffer_view;
 	ImageView											 aux_image;
 
-	u8[]										 			 convert_shader_bytes;
-
 	alias queues this;
 }
 
@@ -404,7 +403,6 @@ Init(PlatformHandles platform_handles, u64 permanent_mem, u64 frame_mem, u8[] co
 			CreateArena(frame_mem),
 		],
 		platform_handles: platform_handles,
-		convert_shader_bytes: conv_shader,
 	};
 
 	Push(&vk, SI.Renderer);
@@ -554,8 +552,9 @@ InitConversionPipeline(Vulkan* vk)
 			offset: 0,
 		}
 	];
+
 	CompPipelineInfo conv_info = {
-		shader: vk.convert_shader_bytes,
+		shader: CONVERT_SHADER_BYTES,
 		layout: vk.conv_pipeline_layout,
 		spec: {
 			data: &channels,

vulkan_codegen.d

@@ -0,0 +1,32 @@
+import std.file;
+import std.string;
+import std.path;
+import std.stdio;
+
+void main(string[] argv)
+{
+	assert(argv.length > 1, "No argument provided");
+
+	ubyte[] shader_bytes = cast(ubyte[])read(argv[1]);
+
+	string p = __FILE__.absolutePath;
+	string codegen_name = chomp(p, baseName(p)) ~ "vulkan_shader.d";
+	writefln("%s %s", p, codegen_name);
+	auto f = File(codegen_name);
+
+	f.writeln("const u8[] CONVERT_SHADER_BYTES = [");
+
+	foreach(i, b; shader_bytes)
+	{
+		if (i % 50 == 0)
+		{
+			f.writefln("");
+		}
+
+		f.write("%d, ", b);
+	}
+
+	f.writeln("];");
+
+	f.close();
+}