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# Distro package just use libastcenc.so, find it first
find_library(LIBASTCENC_LIBRARY NAMES libastcenc astcenc astcenc-avx2-static astcenc-sse4.1-static astcenc-sse2-static astcenc-neon-static astcenc-native-static)
find_path(LIBASTCENC_INCLUDEDIR NAMES astcenc.h PATHS)
if (LIBASTCENC_LIBRARY AND LIBASTCENC_INCLUDEDIR)
set(ENABLE_LIBASTCENC 1)
add_definitions(-DENABLE_LIBASTCENC)
include_directories("${LIBASTCENC_INCLUDEDIR}")
message(STATUS "Use libastcenc: ${LIBASTCENC_LIBRARY}")
if (NOT MSVC)
set(CMAKE_REQUIRED_FLAGS "-std=c++11")
endif()
set(CMAKE_REQUIRED_INCLUDES ${LIBASTCENC_INCLUDEDIR})
set(CMAKE_REQUIRED_LIBRARIES ${LIBASTCENC_LIBRARY})
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#define ASTCENC_DYNAMIC_LIBRARY 1
#include <astcenc.h>
int main()
{
astcenc_context_free(NULL);
return 0;
}
" ASTCENC_DLL)
if (NOT MSVC)
unset(CMAKE_REQUIRED_FLAGS)
endif()
unset(CMAKE_REQUIRED_INCLUDES)
unset(CMAKE_REQUIRED_LIBRARIES)
if (ASTCENC_DLL)
message(STATUS "libastcenc: -DASTCENC_DYNAMIC_LIBRARY required")
add_definitions(-DASTCENC_DYNAMIC_LIBRARY)
endif()
else()
message(WARNING "Missing astc-encoder for astc support, "
"visit https://github.com/ARM-software/astc-encoder for details")
endif()
include_directories("${PROJECT_SOURCE_DIR}/lib/graphics_engine/include")
include_directories("${PROJECT_SOURCE_DIR}/lib/graphics_utils")
include_directories("${PROJECT_SOURCE_DIR}/lib/irrlicht/include")
include_directories("${PROJECT_SOURCE_DIR}/lib/bullet/src")
find_path(SDL2_INCLUDEDIR NAMES SDL.h PATH_SUFFIXES SDL2 include/SDL2 include PATHS)
if (NOT SDL2_INCLUDEDIR)
message(FATAL_ERROR "SDL2 not found.")
else()
include_directories("${SDL2_INCLUDEDIR}")
endif()
if(APPLE AND NOT DLOPEN_MOLTENVK)
find_path(VULKAN_INCLUDEDIR NAMES vulkan/vulkan.h PATHS)
if (NOT VULKAN_INCLUDEDIR)
message(FATAL_ERROR "Vulkan not found.")
else()
include_directories("${VULKAN_INCLUDEDIR}")
endif()
endif()
if(UNIX OR MINGW)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
endif()
set(GE_SOURCES
src/gl.c
src/ge_compressor_astc_4x4.cpp
src/ge_compressor_bptc_bc7.cpp
src/ge_compressor_s3tc_bc3.cpp
src/ge_culling_tool.cpp
src/ge_dx9_texture.cpp
src/ge_main.cpp
src/ge_texture.cpp
src/ge_vma.cpp
src/ge_vulkan_2d_renderer.cpp
src/ge_vulkan_array_texture.cpp
src/ge_vulkan_animated_mesh_scene_node.cpp
src/ge_vulkan_billboard_buffer.cpp
src/ge_vulkan_camera_scene_node.cpp
src/ge_vulkan_command_loader.cpp
src/ge_vulkan_depth_texture.cpp
src/ge_vulkan_driver.cpp
src/ge_vulkan_draw_call.cpp
src/ge_vulkan_dynamic_buffer.cpp
src/ge_vulkan_fbo_texture.cpp
src/ge_vulkan_features.cpp
src/ge_vulkan_mesh_cache.cpp
src/ge_vulkan_mesh_scene_node.cpp
src/ge_vulkan_scene_manager.cpp
src/ge_vulkan_shader_manager.cpp
src/ge_vulkan_skybox_renderer.cpp
src/ge_vulkan_texture.cpp
src/ge_vulkan_texture_descriptor.cpp
src/ge_gl_texture.cpp
src/ge_spm.cpp
src/ge_spm_buffer.cpp
)
if(NOT APPLE OR DLOPEN_MOLTENVK)
set(GE_SOURCES ${GE_SOURCES} src/vulkan.c)
endif()
option(BC7_ISPC "Enable BC7 (BPTC) support (requires ispc and cmake >= 3.19)" OFF)
if(BC7_ISPC)
add_definitions(-DBC7_ISPC)
enable_language(ISPC)
set(CMAKE_ISPC_FLAGS "${CMAKE_ISPC_FLAGS} --opt=fast-math --opt=disable-assertions --pic")
set(GE_SOURCES
${GE_SOURCES}
src/bc7e.ispc
)
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
endif()
add_library(graphics_engine STATIC ${GE_SOURCES})
if(BC7_ISPC)
set_property(TARGET graphics_engine PROPERTY ISPC_INSTRUCTION_SETS avx2)
endif()
target_link_libraries(graphics_engine ${SQUISH_LIBRARY})
if(ENABLE_LIBASTCENC)
target_link_libraries(graphics_engine ${LIBASTCENC_LIBRARY})
endif()
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