embedded_files.lua

--
-- Copyright 2023 Milos Tosic. All rights reserved.
-- License: http://www.opensource.org/licenses/BSD-2-Clause
--

function shaderConfigure( _config, _projectName, _shaderFiles )

	if _shaderFiles == nil then
		return
	end

		local sourcePath				= path.getabsolute(RTM_ROOT_DIR .. "src/tools/qt/" .. _projectName .. "/src/") .. "/"
		local SHADER_PREBUILD_LUA_PATH	= '"' .. RTM_ROOT_DIR .. "build/embedded_shader_prebuild.lua" .. '"'

		flatten( _shaderFiles )

		local LUAEXE = "lua "
		local shaderc = RTM_ROOT_DIR .. "tools/bgfx/shaderc"
		if os.is("windows") then
			shaderc = RTM_ROOT_DIR .. "tools/bgfx/shaderc.exe"
			LUAEXE = "lua.exe "
		end

		local addedFiles = {}

		-- Set up Qt pre-build steps and add the future generated file paths to the pkg
		for _,file in ipairs( _shaderFiles ) do
			local scFile = stripExtension(file)
			local scFileBase = path.getbasename(file)

			if scFileBase ~= "varying.def" then

				local outFile = path.getabsolute(scFile .. '.bin.h')
				local outFileTemp = path.getabsolute(scFile .. '.bin.h.temp')

				local shaderType = ""

				local includesDirs = " -i " .. RTM_ROOT_DIR .. "3rd/bgfx/src/" .. " -i " .. RTM_ROOT_DIR .. "3rd/bgfx/examples/common/"

				local srcFile = path.getabsolute(file)
				local dstFile = path.getabsolute(outFile)

				-- vertex shader
				if string.find(scFileBase, "vs_") ~= nil then
					prebuildcommands { LUAEXE .. SHADER_PREBUILD_LUA_PATH .. ' -vs ' .. srcFile .. ' ' .. shaderc .. ' ' .. RTM_ROOT_DIR .. "3rd/bgfx/src/ ".. RTM_ROOT_DIR .. "3rd/bgfx/examples/common/" }
				end

				if string.find(scFileBase, "fs_") ~= nil then
					prebuildcommands { LUAEXE .. SHADER_PREBUILD_LUA_PATH .. ' -fs ' .. srcFile .. ' ' .. shaderc .. ' ' .. RTM_ROOT_DIR .. "3rd/bgfx/src/ ".. RTM_ROOT_DIR .. "3rd/bgfx/examples/common/" }
				end

				if string.find(scFileBase, "cs_") ~= nil then
					prebuildcommands { LUAEXE .. SHADER_PREBUILD_LUA_PATH .. ' -cs ' .. srcFile .. ' ' .. shaderc .. ' ' .. RTM_ROOT_DIR .. "3rd/bgfx/src/ ".. RTM_ROOT_DIR .. "3rd/bgfx/examples/common/" }
				end
			end
		end

	configuration {}
	return addedFiles
end