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Created add_shader macro for non-bgfx examples

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This commit is contained in:
Joshua Brookover
2016-09-06 01:01:09 -05:00
parent 02d602720d
commit 1324277f42
1 changed files with 115 additions and 0 deletions
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115
cmake/tools/shaderc.cmake
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@@ -10,6 +10,121 @@ target_compile_definitions( shaderc PRIVATE "-D_CRT_SECURE_NO_WARNINGS" )
set_target_properties( shaderc PROPERTIES FOLDER "bgfx/tools" )
target_link_libraries( shaderc bx bgfx fcpp glsl-optimizer )
function( add_shader ARG_FILE )
# Parse arguments
cmake_parse_arguments( ARG "FRAGMENT;VERTEX" "OUTPUT;GLSL_VERSION;DX9_MODEL;DX11_MODEL" "PLATFORMS" ${ARGN} )
# Get filename
get_filename_component( FILENAME "${ARG_FILE}" NAME_WE )
# Determine if fragment or vertex
if( ARG_FRAGMENT AND ARG_VERTEX )
message( SEND_ERROR "add_shader cannot be called with both FRAGMENT and VERTEX." )
elseif( ARG_FRAGMENT )
set( TYPE "FRAGMENT" )
set( D3D_PREFIX "ps" )
elseif( ARG_VERTEX )
set( TYPE "VERTEX" )
set( D3D_PREFIX "vs" )
else()
message( SEND_ERROR "add_shader must be called with either FRAGMENT or VERTEX." )
endif()
# Determine compatible platforms
if( ARG_PLATFORMS )
set( PLATFORMS ${ARG_PLATFORMS} )
else()
if( MSVC )
set( PLATFORMS dx9 dx11 glsl gles )
elseif( APPLE )
set( PLATFORMS metal glsl gles )
else()
set( PLATFORMS glsl gles )
endif()
endif()
# Build options
set( BASE_OPTIONS
FILE ${ARG_FILE}
${TYPE}
INCLUDES ${BGFX_DIR}/src
)
# Parse profiles
set( DX9_PROFILE PROFILE ${D3D_PREFIX}_3_0 )
if( ARG_DX9_MODEL )
set( DX9_PROFILE PROFILE ${D3D_PREFIX}_${ARG_DX9_MODEL} )
endif()
set( DX11_PROFILE PROFILE ${D3D_PREFIX}_4_0 )
if( ARG_DX11_MODEL )
set( DX11_PROFILE PROFILE ${D3D_PREFIX}_${ARG_DX11_MODEL} )
endif()
set( GLSL_PROFILE PROFILE 120 )
if( ARG_GLSL )
set( GLSL_PROFILE PROFILE ${ARG_GLSL} )
endif()
# Add commands
set( OUTPUTS "" )
set( COMMANDS "" )
foreach( PLATFORM ${PLATFORMS} )
set( OPTIONS ${BASE_OPTIONS} )
set( OUTPUT "${ARG_OUTPUT}/${PLATFORM}/${FILENAME}.bin" )
get_filename_component( OUTPUT "${OUTPUT}" ABSOLUTE )
if( "${PLATFORM}" STREQUAL "dx9" )
list( APPEND OPTIONS
WINDOWS
${DX9_PROFILE}
OUTPUT ${OUTPUT}
)
elseif( "${PLATFORM}" STREQUAL "dx11" )
list( APPEND OPTIONS
WINDOWS
${DX11_PROFILE}
OUTPUT ${OUTPUT}
)
elseif( "${PLATFORM}" STREQUAL "metal" )
list( APPEND OPTIONS
WINDOWS
${HLSL_PROFILE}
OUTPUT ${OUTPUT}
)
elseif( "${PLATFORM}" STREQUAL "glsl" )
list( APPEND OPTIONS
LINUX
${GLSL_PROFILE}
OUTPUT ${OUTPUT}
)
elseif( "${PLATFORM}" STREQUAL "gles" )
list( APPEND OPTIONS
ANDROID
OUTPUT ${OUTPUT}
)
else()
message( SEND_ERROR "add_shader given bad platform: ${PLATFORM}" )
return()
endif()
list( APPEND OUTPUTS ${OUTPUT} )
shaderc_parse( CMD ${OPTIONS} )
list( APPEND COMMANDS COMMAND "${CMAKE_COMMAND}" -E make_directory "${ARG_OUTPUT}/${PLATFORM}" )
list( APPEND COMMANDS COMMAND "$<TARGET_FILE:shaderc>" ${CMD} )
endforeach()
# Add command
add_custom_command(
MAIN_DEPENDENCY
${ARG_FILE}
OUTPUT
${OUTPUTS}
${COMMANDS}
COMMENT "Compiling shader ${ARG_FILE}"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
# Add to custom filter
source_group( "Shader Files" FILES ${ARG_FILE} )
endfunction()
# shaderc( FILE file OUTPUT file ... )
# See shaderc_parse() below for inputs
function( shaderc )