Function compile

src/resource/texture_resource.cpp:189–274

	}

	s32 compile(CompileOptions &opts)
	{
		Buffer buf = opts.read();

		TempAllocator4096 ta;
		JsonObject obj(ta);
		RETURN_IF_ERROR(sjson::parse(obj, buf));

		DynamicString name(ta);
		RETURN_IF_ERROR(sjson::parse_string(name, obj["source"]));
		RETURN_IF_FILE_MISSING(TEXTURE_RESOURCE, name.c_str(), opts);
		opts.fake_read(name.c_str());

		OutputSettings os;

		if (json_object::has(obj, "generate_mips")) {
			os.generate_mips = RETURN_IF_ERROR(sjson::parse_bool(obj["generate_mips"]));
		}
		if (json_object::has(obj, "normal_map")) {
			os.normal_map = RETURN_IF_ERROR(sjson::parse_bool(obj["normal_map"]));
		}

		JsonObject output(ta);
		if (json_object::has(obj, "output")) {
			RETURN_IF_ERROR(sjson::parse_object(output, obj["output"]));
			s32 err = parse_output(os, output, opts);
			ENSURE_OR_RETURN(TEXTURE_RESOURCE, err == 0, opts);
		}

		DynamicString tex_src(ta);
		DynamicString tex_out(ta);
		opts.absolute_path(tex_src, name.c_str());
		opts.temporary_path(tex_out, "ktx");

		const char *texturec = opts.exe_path(texturec_paths, countof(texturec_paths));
		RETURN_IF_FALSE(TEXTURE_RESOURCE, texturec != NULL
			, opts
			, "texturec not found"
			);

		char mipskip[16];
		stbsp_snprintf(mipskip, sizeof(mipskip), "--mipskip %u", os.mip_skip_smallest);

		const char *argv[] =
		{
			texturec,
			"-f",
			tex_src.c_str(),
			"-o",
			tex_out.c_str(),
			"-t",
			s_texture_formats[os.format].name,
			(os.normal_map ? "-n" : ""),
			(os.linear ? "--linear" : ""),
			(os.premultiply_alpha ? "--pma" : ""),
			(os.generate_mips ? "-m" : ""),
			(os.mip_skip_smallest > 0 ? "--mipskip" : ""),
			(os.mip_skip_smallest > 0 ? mipskip : ""),