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https://github.com/godotengine/godot.git
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b2373298a2
Embree initially only supported x86_64, then got arm64 support added. Now it seems to be possible to build it with Emscripten (wasm32) and on x86_32 Windows.
123 lines
4.0 KiB
Python
123 lines
4.0 KiB
Python
#!/usr/bin/env python
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Import("env")
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Import("env_modules")
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env_raycast = env_modules.Clone()
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# Thirdparty source files
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thirdparty_obj = []
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if env["builtin_embree"]:
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thirdparty_dir = "#thirdparty/embree/"
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embree_src = [
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"common/sys/sysinfo.cpp",
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"common/sys/alloc.cpp",
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"common/sys/filename.cpp",
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"common/sys/library.cpp",
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"common/sys/thread.cpp",
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"common/sys/string.cpp",
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"common/sys/regression.cpp",
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"common/sys/mutex.cpp",
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"common/sys/condition.cpp",
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"common/sys/barrier.cpp",
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"common/math/constants.cpp",
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"common/simd/sse.cpp",
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"common/lexers/stringstream.cpp",
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"common/lexers/tokenstream.cpp",
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"common/tasking/taskschedulerinternal.cpp",
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"kernels/common/device.cpp",
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"kernels/common/stat.cpp",
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"kernels/common/acceln.cpp",
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"kernels/common/accelset.cpp",
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"kernels/common/state.cpp",
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"kernels/common/rtcore.cpp",
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"kernels/common/rtcore_builder.cpp",
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"kernels/common/scene.cpp",
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"kernels/common/alloc.cpp",
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"kernels/common/geometry.cpp",
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"kernels/common/scene_triangle_mesh.cpp",
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"kernels/geometry/primitive4.cpp",
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"kernels/builders/primrefgen.cpp",
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"kernels/bvh/bvh.cpp",
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"kernels/bvh/bvh_statistics.cpp",
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"kernels/bvh/bvh4_factory.cpp",
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"kernels/bvh/bvh8_factory.cpp",
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"kernels/bvh/bvh_collider.cpp",
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"kernels/bvh/bvh_rotate.cpp",
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"kernels/bvh/bvh_refit.cpp",
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"kernels/bvh/bvh_builder.cpp",
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"kernels/bvh/bvh_builder_morton.cpp",
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"kernels/bvh/bvh_builder_sah.cpp",
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"kernels/bvh/bvh_builder_sah_spatial.cpp",
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"kernels/bvh/bvh_builder_sah_mb.cpp",
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"kernels/bvh/bvh_builder_twolevel.cpp",
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"kernels/bvh/bvh_intersector1_bvh4.cpp",
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"kernels/bvh/bvh_intersector_hybrid4_bvh4.cpp",
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"kernels/bvh/bvh_intersector_stream_bvh4.cpp",
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"kernels/bvh/bvh_intersector_stream_filters.cpp",
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]
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thirdparty_sources = [thirdparty_dir + file for file in embree_src]
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env_raycast.Prepend(CPPPATH=[thirdparty_dir, thirdparty_dir + "include"])
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env_raycast.Append(CPPDEFINES=["EMBREE_TARGET_SSE2", "EMBREE_LOWEST_ISA", "TASKING_INTERNAL"])
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env_raycast.AppendUnique(CPPDEFINES=["NDEBUG"]) # No assert() even in debug builds.
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if not env.msvc:
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if env["arch"] in ["x86_64", "x86_32"]:
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env_raycast.Append(CPPFLAGS=["-msse2", "-mxsave"])
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if env["platform"] == "windows":
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env_raycast.Append(CPPFLAGS=["-mstackrealign"])
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if env["platform"] == "windows":
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if env.msvc:
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env.Append(LINKFLAGS=["psapi.lib"])
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else:
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env.Append(LIBS=["psapi"])
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if env.msvc: # Disable bogus warning about intentional struct padding.
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env_raycast.Append(CCFLAGS=["/wd4324"])
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env_thirdparty = env_raycast.Clone()
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env_thirdparty.force_optimization_on_debug()
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env_thirdparty.disable_warnings()
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources)
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if env["arch"] != "x86_64" or env.msvc:
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# Embree needs those, it will automatically use SSE2NEON in ARM
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env_thirdparty.Append(CPPDEFINES=["__SSE2__", "__SSE__"])
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if env["platform"] == "web":
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env_thirdparty.Append(CPPFLAGS=["-msimd128"])
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if not env.msvc:
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env_thirdparty.Append(
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CPPFLAGS=[
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"-fno-strict-overflow",
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"-fno-delete-null-pointer-checks",
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"-fwrapv",
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"-fsigned-char",
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"-fno-strict-aliasing",
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"-fno-tree-vectorize",
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"-fvisibility=hidden",
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"-fvisibility-inlines-hidden",
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]
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)
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env.modules_sources += thirdparty_obj
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# Godot source files
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module_obj = []
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env_raycast.add_source_files(module_obj, "*.cpp")
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env.modules_sources += module_obj
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# Needed to force rebuilding the module files when the thirdparty library is updated.
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env.Depends(module_obj, thirdparty_obj)
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