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## Copyright 2009-2021 Intel Corporation
## SPDX-License-Identifier: Apache-2.0
include(CMakeDependentOption)
CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/README.md.in" "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/README.md" DESTINATION "src" COMPONENT examples)
ADD_SUBDIRECTORY(common/image)
CMAKE_DEPENDENT_OPTION(EMBREE_TUTORIALS_GLFW "Enables GLFW usage in tutorials. When disabled tutorial can only render to disk." ON "EMBREE_TUTORIALS" OFF)
CMAKE_DEPENDENT_OPTION(EMBREE_BUILD_GLFW_FROM_SOURCE "Builds GLFW from source." OFF "EMBREE_TUTORIALS_GLFW" OFF)
IF (EMBREE_TUTORIALS)
IF (EMBREE_TUTORIALS_GLFW)
IF (NOT EMBREE_BUILD_GLFW_FROM_SOURCE)
FIND_PACKAGE(glfw3 QUIET)
ENDIF()
IF(NOT glfw3_FOUND)
CMAKE_MINIMUM_REQUIRED(VERSION 3.14)
IF (NOT EMBREE_BUILD_GLFW_FROM_SOURCE)
MESSAGE("-- glfw3 installation not found. download and build from source")
ELSE()
MESSAGE("-- download and build glfw3 from source")
ENDIF()
INCLUDE(FetchContent)
SET(FETCHCONTENT_QUIET ON)
set(GLFW_BUILD_DOCS OFF CACHE INTERNAL "")
set(GLFW_BUILD_EXAMPLES OFF CACHE INTERNAL "")
set(GLFW_BUILD_TESTS OFF CACHE INTERNAL "")
set(EMBREE_PATCH_GLFW_SOURCE OFF CACHE INTERNAL "Applys an optional patch to GLFW.")
if (EMBREE_PATCH_GLFW_SOURCE)
# The patch command first resets the glfw repository to a clean state. That
# is because CMake wants to apply the patch again when CMake needs to
# reconfigure, which fails.
set(patch_command git reset --hard && git apply -v "${CMAKE_CURRENT_SOURCE_DIR}/common/glfw/glfw.patch")
endif()
FetchContent_Declare(
glfw
GIT_REPOSITORY https://github.com/glfw/glfw
GIT_TAG 3.3.8
PATCH_COMMAND ${patch_command}
)
FetchContent_GetProperties(glfw)
if(NOT glfw_POPULATED)
FetchContent_Populate(glfw)
# We want to build glfw and link statically, so no need to
# install it as part of the Embree install targets.
add_subdirectory(${glfw_SOURCE_DIR} ${glfw_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
MARK_AS_ADVANCED(FETCHCONTENT_BASE_DIR)
MARK_AS_ADVANCED(FETCHCONTENT_FULLY_DISCONNECTED)
MARK_AS_ADVANCED(FETCHCONTENT_QUIET)
MARK_AS_ADVANCED(FETCHCONTENT_SOURCE_DIR_GLFW)
MARK_AS_ADVANCED(FETCHCONTENT_UPDATES_DISCONNECTED)
MARK_AS_ADVANCED(FETCHCONTENT_UPDATES_DISCONNECTED_GLFW)
ELSE()
MESSAGE("-- glfw3 installation found.")
ENDIF()
FIND_PACKAGE(OpenGL)
IF (NOT OPENGL_FOUND)
MESSAGE(FATAL_ERROR "OpenGL not found! Please either install OpenGL or disable EMBREE_TUTORIALS.")
ENDIF()
ADD_DEFINITIONS(-DUSE_GLFW)
# all libraries we have to link against when using a window/gui
SET(GUI_LIBRARIES imgui glfw ${OPENGL_LIBRARIES})
ENDIF()
ADD_SUBDIRECTORY(common)
ADD_SUBDIRECTORY(embree_info)
ADD_SUBDIRECTORY(minimal)
ADD_SUBDIRECTORY(verify)
ADD_SUBDIRECTORY(triangle_geometry)
ADD_SUBDIRECTORY(dynamic_scene)
ADD_SUBDIRECTORY(voronoi)
ADD_SUBDIRECTORY(closest_point)
ADD_SUBDIRECTORY(user_geometry)
ADD_SUBDIRECTORY(viewer)
ADD_SUBDIRECTORY(instanced_geometry)
ADD_SUBDIRECTORY(multi_instanced_geometry)
ADD_SUBDIRECTORY(intersection_filter)
ADD_SUBDIRECTORY(pathtracer)
ADD_SUBDIRECTORY(hair_geometry)
ADD_SUBDIRECTORY(subdivision_geometry)
ADD_SUBDIRECTORY(displacement_geometry)
ADD_SUBDIRECTORY(grid_geometry)
ADD_SUBDIRECTORY(bvh_builder)
ADD_SUBDIRECTORY(lazy_geometry)
ADD_SUBDIRECTORY(bvh_access)
ADD_SUBDIRECTORY(quaternion_motion_blur)
ADD_SUBDIRECTORY(motion_blur_geometry)
ADD_SUBDIRECTORY(interpolation)
ADD_SUBDIRECTORY(curve_geometry)
ADD_SUBDIRECTORY(point_geometry)
ADD_SUBDIRECTORY(buildbench)
ADD_SUBDIRECTORY(convert)
ADD_SUBDIRECTORY(collide)
ADD_SUBDIRECTORY(next_hit)
ADD_SUBDIRECTORY(multiscene_geometry)
ADD_SUBDIRECTORY(ray_mask)
ADD_SUBDIRECTORY(forest)
ADD_SUBDIRECTORY(embree_tests)
ENDIF()
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