45 lines
1.5 KiB
Lua
45 lines
1.5 KiB
Lua
-- Compile shaders to includables headers
|
|
rule("nzsl.compile.shaders")
|
|
set_extensions(".nzsl", ".nzslb")
|
|
|
|
before_buildcmd_file(function (target, batchcmds, shaderfile, opt)
|
|
import("core.project.project")
|
|
import("core.tool.toolchain")
|
|
|
|
local nzsl = project.required_package("nzsl~host") or project.required_package("nzsl")
|
|
assert(nzsl, "nzsl package not found")
|
|
|
|
-- warning: project.required_package is not a stable interface, this may break in the future
|
|
local nzslc = path.join(nzsl:installdir(), "bin", "nzslc")
|
|
|
|
-- add commands
|
|
batchcmds:show_progress(opt.progress, "${color.build.object}compiling.shader %s", shaderfile)
|
|
local argv = { "--compile=nzslb-header", "--partial", "--optimize" }
|
|
|
|
-- handle --log-format
|
|
local kind = target:data("plugin.project.kind") or ""
|
|
if kind:match("vs") then
|
|
table.insert(argv, "--log-format=vs")
|
|
end
|
|
|
|
table.insert(argv, shaderfile)
|
|
|
|
-- on mingw we need run envs because of .dll dependencies which may be not part of the PATH
|
|
local envs
|
|
if is_plat("mingw") then
|
|
local mingw = toolchain.load("mingw")
|
|
if mingw and mingw:check() then
|
|
envs = mingw:runenvs()
|
|
end
|
|
end
|
|
batchcmds:vrunv(nzslc, argv, { curdir = ".", envs = envs })
|
|
|
|
local outputFile = path.join(path.directory(shaderfile), path.basename(shaderfile) .. ".nzslb.h")
|
|
|
|
-- add deps
|
|
batchcmds:add_depfiles(shaderfile)
|
|
batchcmds:add_depvalues(nzsl:version())
|
|
batchcmds:set_depmtime(os.mtime(outputFile))
|
|
batchcmds:set_depcache(target:dependfile(outputFile))
|
|
end)
|