Added missing neo/premake/embed.lua

neo/premake/embed.lua

@@ -0,0 +1,140 @@
+--
+-- Embed the Cg renderprogs into renderer/RenderProgs_embedded.cpp as static data buffers.
+--
+
+local function stripfile( fname )
+	print( fname )
+
+	local f = io.open( fname )
+	local s = f:read( "*a" )
+	f:close()
+
+	-- strip tabs
+	--s = s:gsub("[\t]", "")
+	
+	-- strip any CRs
+	s = s:gsub("[\r]", "")
+	
+	-- strip out comments
+	s = s:gsub("\n%-%-[^\n]*", "")
+			
+	-- escape backslashes
+	s = s:gsub("\\", "\\\\")
+
+	-- strip duplicate line feeds
+	s = s:gsub("\n+", "\n")
+
+	-- strip out leading comments
+	s = s:gsub("^%-%-\n", "")
+
+	-- escape line feeds
+	s = s:gsub("\n", "\\n")
+	
+	-- escape double quote marks
+	s = s:gsub("\"", "\\\"")
+	
+	return s
+end
+
+local function loadfile(fname)
+	print(fname)
+
+	local f = io.open(fname)
+	local s = f:read("*a")
+	f:close()
+	
+	-- escape line feeds
+	--s = s:gsub("\n", "\n\"")
+	
+	-- escape double quote marks
+	s = s:gsub("\"", "\\\"")
+	
+	return s
+end
+
+
+local function writeline(out, s, continues)
+	out:write("\t\"")
+	out:write(s)
+	out:write(iif(continues, "\"\n", "\"},\n\n"))
+end
+
+
+local function writefile(out, fname, contents)
+	local max = 1024
+
+	--out:write("\t/* " .. fname .. " */\n")
+	
+	-- break up large strings to fit in Visual Studio's string length limit		
+	local start = 1
+	local len = contents:len()
+	while start <= len do
+		local n = len - start
+		if n > max then n = max end
+		local finish = start + n
+
+		-- make sure I don't cut an escape sequence
+		while contents:sub(finish, finish) == "\\" do
+			finish = finish - 1
+		end			
+
+		writeline(out, contents:sub(start, finish), finish < len)
+		start = finish + 1
+	end		
+
+	--out:write("\n")
+end
+
+local function writefilesimple( out, filename, contents )
+
+	-- add some extra EOL so we don't break out of the loop too early
+	contents = contents .. "\n"
+
+	-- split at line ends and grab everything before
+	for line in string.gmatch( contents, "([^\n]*)\n" ) do
+		out:write( "\t\t\"" .. line .. "\\n\"\n" )
+    end
+
+	out:write( "\t\t\0\n\t},\n\t\n" )
+	
+end
+
+function doembed()
+
+	-- load the manifest of script files
+	scripts = dofile( "../base/renderprogs/_manifest.lua" )
+	
+	local out = io.open("renderer/RenderProgs_embedded.h", "w+b")
+	out:write("// Cg shaders, as static data buffers for release mode builds\n")
+	out:write("// DO NOT EDIT - this file is autogenerated - see BUILD.txt\n")
+	out:write("// To regenerate this file, run: premake4 embed\n\n")
+	out:write("struct cgShaderDef_t\n{\n")
+	out:write("\tconst char* name;\n");
+	out:write("\tconst char* shaderText;\n");
+	out:write("};\n\n");
+	--out:write("extern const cgShaderDef_t cg_renderprogs[];\n")
+	
+	--out:close()
+	out:write("static const cgShaderDef_t cg_renderprogs[] =\n{\n")
+	
+	-- out = io.open("renderer/RenderProgs_embedded.cpp", "w+b")
+	-- out:write("// Cg shaders, as static data buffers for release mode builds \n")
+	-- out:write("// DO NOT EDIT - this file is autogenerated - see BUILD.txt \n")
+	-- out:write("// To regenerate this file, run: premake4 embed \n\n")
+	-- out:write("#include \"RenderProgs_embedded.h\"\n\n")
+	-- out:write("const cgShaderDef_t cg_renderprogs[] =\n")
+	
+	for i,filename in ipairs( scripts ) do
+		print( filename )			
+		--out:write("const char glsl_" .. fn .. "[] = {\n")
+		out:write("\t{\n\t\t\"renderprogs/" .. filename .. "\",\n")
+		
+		local s = loadfile( "../base/renderprogs/" .. filename )
+		writefilesimple( out, filename, s )
+		
+		--out:write("\t0}\n");
+	end
+	
+	out:write( "\t{0, 0},\n\t\n};\n" );
+	out:close()
+end