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Header containing GLSL source code is generated only after change of any of shader source files.

This commit is contained in:
Maciej Suminski 2013-07-24 14:22:00 +02:00
parent 618a5f0e75
commit 67c0cd2205
1 changed files with 32 additions and 20 deletions
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14
CMakeModules/Shaders.cmake
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@ -4,6 +4,19 @@
# number of input files # number of input files
list( LENGTH inputFiles shadersNumber ) list( LENGTH inputFiles shadersNumber )
# check if GLSL source files were updated since the last time
set( update "FALSE" )
foreach( inputFile ${inputFiles} )
if( ${inputFile} IS_NEWER_THAN ${outputFile} )
set( update "TRUE" )
endif( ${inputFile} IS_NEWER_THAN ${outputFile} )
endforeach( inputFile ${inputFiles} )
if( NOT update )
message( "Headers are up-to-date" )
return()
endif( NOT update )
# write header # write header
file( WRITE ${outputFile} "// Do not edit this file, it is autogenerated by CMake. file( WRITE ${outputFile} "// Do not edit this file, it is autogenerated by CMake.
@ -35,7 +48,6 @@ foreach( inputFile ${inputFiles} )
string( REGEX REPLACE "\"$" "," contents "${contents}" ) string( REGEX REPLACE "\"$" "," contents "${contents}" )
file( APPEND ${outputFile} "${contents}" ) file( APPEND ${outputFile} "${contents}" )
endforeach( inputFile ${inputFiles} ) endforeach( inputFile ${inputFiles} )
# write footer # write footer