OPTION(BUILD_SHARED "Build MojoShader as a shared library" OFF)

OPTION(PROFILE_D3D "Build MojoShader with support for the D3D profile" ON)

OPTION(PROFILE_BYTECODE "Build MojoShader with support for the BYTECODE profile" ON)

OPTION(PROFILE_GLSL120 "Build MojoShader with support for the GLSL120 profile" ON)

OPTION(PROFILE_GLSL "Build MojoShader with support for the GLSL profile" ON)

OPTION(PROFILE_ARB1 "Build MojoShader with support for the ARB1 profile" ON)

OPTION(PROFILE_ARB1_NV "Build MojoShader with support for the ARB1_NV profile" ON)

OPTION(FLIP_VIEWPORT "Build MojoShader with the ability to flip the GL viewport" OFF)

OPTION(DEPTH_CLIPPING "Build MojoShader with the ability to simulate [0, 1] depth clipping" OFF)

OPTION(XNA4_VERTEXTEXTURE "Build MojoShader with XNA4 vertex texturing behavior" OFF)

INCLUDE_DIRECTORIES(.)

FIND_PROGRAM(HG hg DOC "Path to hg command line app: http://www.selenic.com/mercurial/")

IF(NOT HG)

MESSAGE(STATUS "Mercurial (hg) not found. You can go on, but version info will be wrong.")

SET(MOJOSHADER_VERSION -1)

SET(MOJOSHADER_CHANGESET "???")

ELSE(NOT HG)

MARK_AS_ADVANCED(HG)

EXECUTE_PROCESS(

COMMAND hg tip --template {rev}

WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"

RESULT_VARIABLE HGVERSION_RC

OUTPUT_VARIABLE MOJOSHADER_VERSION

ERROR_QUIET

OUTPUT_STRIP_TRAILING_WHITESPACE

)

EXECUTE_PROCESS(

COMMAND hg tip --template hg-{rev}:{node|short}

WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"

RESULT_VARIABLE HGVERSION_RC

OUTPUT_VARIABLE MOJOSHADER_CHANGESET

ERROR_QUIET

OUTPUT_STRIP_TRAILING_WHITESPACE

)

ENDIF(NOT HG)

WRITE_FILE(

"${CMAKE_CURRENT_SOURCE_DIR}/mojoshader_version.h"

"/* This file was autogenerated. Do not edit! */\n"

"#ifndef _INCL_MOJOSHADER_VERSION_H_\n"

"#define _INCL_MOJOSHADER_VERSION_H_\n"

"#define MOJOSHADER_VERSION ${MOJOSHADER_VERSION}\n"

"#define MOJOSHADER_CHANGESET \"${MOJOSHADER_CHANGESET}\"\n"

"#endif\n"

)

IF(CMAKE_COMPILER_IS_GNUCC)

ADD_DEFINITIONS(-Wall -ggdb3)

ENDIF(CMAKE_COMPILER_IS_GNUCC)

# testparse uses this when I'm looking at memory usage patterns.

#ADD_DEFINITIONS(-DMOJOSHADER_DEBUG_MALLOC=1)

IF(MSVC)

ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS=1)

ADD_DEFINITIONS(-TP) # force .c files to compile as C++.

ENDIF(MSVC)

# We build lemon, then use it to generate parser C code.

ADD_EXECUTABLE(lemon "misc/lemon.c")

GET_TARGET_PROPERTY(LEMON lemon LOCATION)

ADD_CUSTOM_COMMAND(

MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/mojoshader_parser_hlsl.lemon"

DEPENDS lemon "${CMAKE_CURRENT_SOURCE_DIR}/misc/lempar.c"

)

IF(APPLE)

find_library(CARBON_FRAMEWORK Carbon) # Stupid Gestalt.

ENDIF(APPLE)

IF(NOT PROFILE_D3D)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_D3D=0)

ENDIF(NOT PROFILE_D3D)

IF(NOT PROFILE_BYTECODE)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_BYTECODE=0)

ENDIF(NOT PROFILE_BYTECODE)

IF(NOT PROFILE_GLSL120)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_GLSL120=0)

ENDIF(NOT PROFILE_GLSL120)

IF(NOT PROFILE_GLSL)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_GLSL=0)

ENDIF(NOT PROFILE_GLSL)

IF(NOT PROFILE_ARB1)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_ARB1=0)

ENDIF(NOT PROFILE_ARB1)

IF(NOT PROFILE_ARB1_NV)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_ARB1_NV=0)

ENDIF(NOT PROFILE_ARB1_NV)

IF(NOT PROFILE_METAL)

ADD_DEFINITIONS(-DSUPPORT_PROFILE_METAL=0)

ENDIF(NOT PROFILE_ARB1_NV)

IF(EFFECT_SUPPORT)

IF(UNIX)

SET(LIBM -lm)

ENDIF(UNIX)

ADD_DEFINITIONS(-DMOJOSHADER_EFFECT_SUPPORT)

ENDIF(EFFECT_SUPPORT)

IF(FLIP_VIEWPORT)

ADD_DEFINITIONS(-DMOJOSHADER_FLIP_RENDERTARGET)

ENDIF(FLIP_VIEWPORT)

IF(DEPTH_CLIPPING)

ADD_DEFINITIONS(-DMOJOSHADER_DEPTH_CLIPPING)

ENDIF(DEPTH_CLIPPING)

IF(XNA4_VERTEXTEXTURE)

ADD_DEFINITIONS(-DMOJOSHADER_XNA4_VERTEX_TEXTURES)

ENDIF(XNA4_VERTEXTEXTURE)

IF(BUILD_SHARED)

SET(LIBRARY_FORMAT SHARED)

ELSE(BUILD_SHARED)

SET(LIBRARY_FORMAT STATIC)

ENDIF(BUILD_SHARED)

ADD_LIBRARY(mojoshader ${LIBRARY_FORMAT}

mojoshader_preprocessor.c

mojoshader_lexer.c

mojoshader_assembler.c

mojoshader_opengl.c

)

IF(BUILD_SHARED)

TARGET_LINK_LIBRARIES(mojoshader ${LIBM} ${CARBON_FRAMEWORK})

ENDIF(BUILD_SHARED)

SET_SOURCE_FILES_PROPERTIES(

mojoshader_compiler.c

)

FIND_PROGRAM(RE2C re2c DOC "Path to re2c command line app: http://re2c.org/")

IF(NOT RE2C)

MESSAGE(STATUS "re2c missing. You can go on, but can't rebuild the lexer.")

ELSE(NOT RE2C)

MARK_AS_ADVANCED(RE2C)

ADD_CUSTOM_COMMAND(

COMMAND "${RE2C}"

ARGS -is --no-generation-date -o "${CMAKE_CURRENT_SOURCE_DIR}/mojoshader_lexer.c" "${CMAKE_CURRENT_SOURCE_DIR}/mojoshader_lexer.re"

)

ENDIF(NOT RE2C)

find_path(SDL2_INCLUDE_DIR SDL.h PATH_SUFFIXES include/SDL2)

find_library(SDL2 NAMES SDL2 PATH_SUFFIXES lib)

IF(SDL2)

INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIR})

TARGET_LINK_LIBRARIES(availableprofiles mojoshader ${SDL2} ${LIBM} ${CARBON_FRAMEWORK})

ENDIF(SDL2)

TARGET_LINK_LIBRARIES(finderrors mojoshader ${SDL2} ${LIBM} ${CARBON_FRAMEWORK})

IF(SDL2)

SET_SOURCE_FILES_PROPERTIES(

utils/finderrors.c

PROPERTIES COMPILE_FLAGS "-DFINDERRORS_COMPILE_SHADERS=1"

)

# Unit tests...

ADD_CUSTOM_TARGET(

test

COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/unit_tests/run_tests.pl"

WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"

)