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MapLibreParticleLab/platform/windows/FindOSMesa.cmake
mwilsnd 4828cc7a8b Upgrade OpenGL backend to ES 3.0 (#995)
Co-authored-by: Tadej Novak <tadej@tano.si>
2023-04-13 23:24:45 +02:00

66 lines
2.3 KiB
CMake

# Standard FIND_PACKAGE module for OSMesa, sets the following variables:
# - OSMesa_FOUND
# - OSMesa_INCLUDE_DIRS (only if OSMesa_FOUND)
# - OSMesa_LIBRARIES (only if OSMesa_FOUND)
# Try to find the header
find_path(OSMesa_INCLUDE_DIR NAMES GL/osmesa.h)
get_filename_component(OSMesa_DIR ${OSMesa_INCLUDE_DIR}/../ ABSOLUTE)
# Try to find the library
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_ARCH x64)
else()
set(_ARCH x86)
endif()
find_library(OSMesa_osmesa_LIBRARY NAMES osmesa PATHS ${OSMesa_DIR}/lib PATH_SUFFIXES ${_ARCH} NO_DEFAULT_PATH)
find_library(OSMesa_libGLESv3_LIBRARY NAMES libGLESv3 PATHS ${OSMesa_DIR}/lib PATH_SUFFIXES ${_ARCH} NO_DEFAULT_PATH)
find_file(OSMesa_osmesa_LIBRARY_DLL NAMES osmesa.dll PATHS ${OSMesa_DIR} PATH_SUFFIXES ${_ARCH} NO_DEFAULT_PATH)
find_file(OSMesa_libGLESv3_LIBRARY_DLL NAMES libGLESv3.dll PATHS ${OSMesa_DIR} PATH_SUFFIXES ${_ARCH} NO_DEFAULT_PATH)
unset(_ARCH)
# Handle the QUIETLY/REQUIRED arguments, set OSMesa_FOUND if all variables are
# found
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OSMesa
REQUIRED_VARS
OSMesa_osmesa_LIBRARY
OSMesa_libGLESv3_LIBRARY
OSMesa_INCLUDE_DIR)
# Hide internal variables
mark_as_advanced(OSMesa_INCLUDE_DIR OSMesa_osmesa_LIBRARY OSMesa_libGLESv3_LIBRARY)
# Set standard variables
if(OSMesa_FOUND)
set(OSMesa_INCLUDE_DIRS "${OSMesa_INCLUDE_DIR}")
set(OSMesa_LIBRARIES
"${OSMesa_osmesa_LIBRARY}"
"${OSMesa_libGLESv3_LIBRARY}"
)
add_library(OSMesa::osmesa SHARED IMPORTED)
set_target_properties(
OSMesa::osmesa
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${OSMesa_INCLUDE_DIRS}
IMPORTED_IMPLIB ${OSMesa_osmesa_LIBRARY}
IMPORTED_LOCATION ${OSMesa_osmesa_LIBRARY_DLL}
)
add_library(OSMesa::libGLESv3 SHARED IMPORTED)
set_target_properties(
OSMesa::libGLESv3
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${OSMesa_INCLUDE_DIRS}
IMPORTED_IMPLIB ${OSMesa_libGLESv3_LIBRARY}
IMPORTED_LOCATION ${OSMesa_libGLESv3_LIBRARY_DLL}
)
endif()