1 files changed, 69 insertions, 0 deletions
diff --git a/xmake/rules/utils/ispc/ispc.lua b/xmake/rules/utils/ispc/ispc.lua
new file mode 100644
index 000000000..b1e924c65
--- /dev/null
+++ b/xmake/rules/utils/ispc/ispc.lua
@@ -0,0 +1,69 @@
+rule("utils.ispc")
+    set_extensions(".ispc")
+
+    on_load(function (target)
+        local headersdir = path.join(target:autogendir(), "rules", "utils", "ispc", "headers")
+        os.mkdir(headersdir)
+        target:add("includedirs", headersdir, {public = true})
+    end)
+    
+    before_buildcmd_file(function (target, batchcmds, sourcefile_ispc, opt)
+        import("lib.detect.find_tool")
+        local ispc = assert(find_tool("ispc"), "ispc not found!")
+
+        local flags = {}
+        if target:values("ispc.flags") then
+            table.join2(flags, target:values("ispc.flags"))
+        end
+
+        if target:get("symbols") == "debug"  then
+            table.insert(flags, "-g")
+        end
+
+        if target:get("optimize") == "none" then
+            table.insert(flags, "-O0")
+        elseif target:get("optimize") == "fast" then
+            table.insert(flags, "-O2")
+        elseif target:get("optimize") == "faster" or target:get("optimize") == "fastest" then
+            table.insert(flags, "-O3")
+        elseif target:get("optimize") == "smallest" then
+            table.insert(flags, "-O1")
+        end
+
+        if target:get("warnings") == "none" then
+            table.insert(flags, "--woff")
+        elseif target:get("warnings") == "error" then
+            table.insert(flags, "--werror")
+        end
+
+        if not target:is_plat("windows") then
+            table.insert(flags, "--pic")
+        end
+
+        local headersdir = path.join(target:autogendir(), "rules", "utils", "ispc", "headers")
+        local objectfile = target:objectfile(sourcefile_ispc)
+        local objectdir = path.directory(objectfile)
+        local headersfile
+        local header_extension = target:extraconf("rules", "utils.ispc", "header_extension")
+        if header_extension then
+            headersfile = path.join(headersdir, path.basename(sourcefile_ispc) .. header_extension)
+        else
+            headersfile = path.join(headersdir, path.filename(sourcefile_ispc) .. ".h")
+        end
+
+        table.insert(flags, "-o")
+        table.insert(flags, path(objectfile))
+        table.insert(flags, "-h")
+        table.insert(flags, path(headersfile))
+        table.insert(flags, path(sourcefile_ispc))
+        
+        batchcmds:show_progress(opt.progress, "${color.build.object}compiling.ispc %s", sourcefile_ispc)
+        batchcmds:mkdir(objectdir)
+        batchcmds:vrunv(ispc.program, flags)
+
+        table.insert(target:objectfiles(), objectfile)
+
+        batchcmds:add_depfiles(sourcefile_ispc, headersfile)
+        batchcmds:set_depmtime(os.mtime(objectfile))
+        batchcmds:set_depcache(target:dependfile(objectfile))
+    end)