godot/modules/raycast/godot_update_embree.py
Joan Fons 595cbacdf1 Upgrade Embree and enable ray packets
Minor patch upgrade. Enabling ray packets results in faster
processing of ray streams (i.e. occlusion culling buffer
updates) at the cost of slightly larger binary sizes.
2021-09-13 16:17:28 +02:00

262 lines
7.1 KiB
Python

import glob, os, shutil, subprocess, re
include_dirs = [
"common/tasking",
"kernels/bvh",
"kernels/builders",
"common/sys",
"kernels",
"kernels/common",
"common/math",
"common/algorithms",
"common/lexers",
"common/simd",
"common/simd/arm",
"include/embree3",
"kernels/subdiv",
"kernels/geometry",
]
cpp_files = [
"common/sys/sysinfo.cpp",
"common/sys/alloc.cpp",
"common/sys/filename.cpp",
"common/sys/library.cpp",
"common/sys/thread.cpp",
"common/sys/string.cpp",
"common/sys/regression.cpp",
"common/sys/mutex.cpp",
"common/sys/condition.cpp",
"common/sys/barrier.cpp",
"common/math/constants.cpp",
"common/simd/sse.cpp",
"common/lexers/stringstream.cpp",
"common/lexers/tokenstream.cpp",
"common/tasking/taskschedulerinternal.cpp",
"kernels/common/device.cpp",
"kernels/common/stat.cpp",
"kernels/common/acceln.cpp",
"kernels/common/accelset.cpp",
"kernels/common/state.cpp",
"kernels/common/rtcore.cpp",
"kernels/common/rtcore_builder.cpp",
"kernels/common/scene.cpp",
"kernels/common/alloc.cpp",
"kernels/common/geometry.cpp",
"kernels/common/scene_triangle_mesh.cpp",
"kernels/geometry/primitive4.cpp",
"kernels/builders/primrefgen.cpp",
"kernels/bvh/bvh.cpp",
"kernels/bvh/bvh_statistics.cpp",
"kernels/bvh/bvh4_factory.cpp",
"kernels/bvh/bvh8_factory.cpp",
"kernels/bvh/bvh_collider.cpp",
"kernels/bvh/bvh_rotate.cpp",
"kernels/bvh/bvh_refit.cpp",
"kernels/bvh/bvh_builder.cpp",
"kernels/bvh/bvh_builder_morton.cpp",
"kernels/bvh/bvh_builder_sah.cpp",
"kernels/bvh/bvh_builder_sah_spatial.cpp",
"kernels/bvh/bvh_builder_sah_mb.cpp",
"kernels/bvh/bvh_builder_twolevel.cpp",
"kernels/bvh/bvh_intersector1.cpp",
"kernels/bvh/bvh_intersector1_bvh4.cpp",
"kernels/bvh/bvh_intersector_hybrid4_bvh4.cpp",
"kernels/bvh/bvh_intersector_stream_bvh4.cpp",
"kernels/bvh/bvh_intersector_stream_filters.cpp",
"kernels/bvh/bvh_intersector_hybrid.cpp",
"kernels/bvh/bvh_intersector_stream.cpp",
]
os.chdir("../../thirdparty")
dir_name = "embree"
if os.path.exists(dir_name):
shutil.rmtree(dir_name)
subprocess.run(["git", "clone", "https://github.com/embree/embree.git", "embree-tmp"])
os.chdir("embree-tmp")
commit_hash = str(subprocess.check_output(["git", "rev-parse", "HEAD"], universal_newlines=True)).strip()
all_files = set(cpp_files)
dest_dir = os.path.join("..", dir_name)
for include_dir in include_dirs:
headers = glob.iglob(os.path.join(include_dir, "*.h"))
all_files.update(headers)
for f in all_files:
d = os.path.join(dest_dir, os.path.dirname(f))
if not os.path.exists(d):
os.makedirs(d)
shutil.copy2(f, d)
with open(os.path.join(dest_dir, "kernels/hash.h"), "w") as hash_file:
hash_file.write(
f"""
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#define RTC_HASH "{commit_hash}"
"""
)
with open(os.path.join(dest_dir, "kernels/config.h"), "w") as config_file:
config_file.write(
"""
// Copyright 2009-2020 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
/* #undef EMBREE_RAY_MASK */
/* #undef EMBREE_STAT_COUNTERS */
/* #undef EMBREE_BACKFACE_CULLING */
/* #undef EMBREE_BACKFACE_CULLING_CURVES */
#define EMBREE_FILTER_FUNCTION
/* #undef EMBREE_IGNORE_INVALID_RAYS */
#define EMBREE_GEOMETRY_TRIANGLE
/* #undef EMBREE_GEOMETRY_QUAD */
/* #undef EMBREE_GEOMETRY_CURVE */
/* #undef EMBREE_GEOMETRY_SUBDIVISION */
/* #undef EMBREE_GEOMETRY_USER */
/* #undef EMBREE_GEOMETRY_INSTANCE */
/* #undef EMBREE_GEOMETRY_GRID */
/* #undef EMBREE_GEOMETRY_POINT */
#define EMBREE_RAY_PACKETS
/* #undef EMBREE_COMPACT_POLYS */
#define EMBREE_CURVE_SELF_INTERSECTION_AVOIDANCE_FACTOR 2.0
#if defined(EMBREE_GEOMETRY_TRIANGLE)
#define IF_ENABLED_TRIS(x) x
#else
#define IF_ENABLED_TRIS(x)
#endif
#if defined(EMBREE_GEOMETRY_QUAD)
#define IF_ENABLED_QUADS(x) x
#else
#define IF_ENABLED_QUADS(x)
#endif
#if defined(EMBREE_GEOMETRY_CURVE) || defined(EMBREE_GEOMETRY_POINT)
#define IF_ENABLED_CURVES_OR_POINTS(x) x
#else
#define IF_ENABLED_CURVES_OR_POINTS(x)
#endif
#if defined(EMBREE_GEOMETRY_CURVE)
#define IF_ENABLED_CURVES(x) x
#else
#define IF_ENABLED_CURVES(x)
#endif
#if defined(EMBREE_GEOMETRY_POINT)
#define IF_ENABLED_POINTS(x) x
#else
#define IF_ENABLED_POINTS(x)
#endif
#if defined(EMBREE_GEOMETRY_SUBDIVISION)
#define IF_ENABLED_SUBDIV(x) x
#else
#define IF_ENABLED_SUBDIV(x)
#endif
#if defined(EMBREE_GEOMETRY_USER)
#define IF_ENABLED_USER(x) x
#else
#define IF_ENABLED_USER(x)
#endif
#if defined(EMBREE_GEOMETRY_INSTANCE)
#define IF_ENABLED_INSTANCE(x) x
#else
#define IF_ENABLED_INSTANCE(x)
#endif
#if defined(EMBREE_GEOMETRY_GRID)
#define IF_ENABLED_GRIDS(x) x
#else
#define IF_ENABLED_GRIDS(x)
#endif
"""
)
with open("CMakeLists.txt", "r") as cmake_file:
cmake_content = cmake_file.read()
major_version = int(re.compile(r"EMBREE_VERSION_MAJOR\s(\d+)").findall(cmake_content)[0])
minor_version = int(re.compile(r"EMBREE_VERSION_MINOR\s(\d+)").findall(cmake_content)[0])
patch_version = int(re.compile(r"EMBREE_VERSION_PATCH\s(\d+)").findall(cmake_content)[0])
with open(os.path.join(dest_dir, "include/embree3/rtcore_config.h"), "w") as config_file:
config_file.write(
f"""
// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#define RTC_VERSION_MAJOR {major_version}
#define RTC_VERSION_MINOR {minor_version}
#define RTC_VERSION_PATCH {patch_version}
#define RTC_VERSION {major_version}{minor_version:02d}{patch_version:02d}
#define RTC_VERSION_STRING "{major_version}.{minor_version}.{patch_version}"
#define RTC_MAX_INSTANCE_LEVEL_COUNT 1
#define EMBREE_MIN_WIDTH 0
#define RTC_MIN_WIDTH EMBREE_MIN_WIDTH
#define EMBREE_STATIC_LIB
/* #undef EMBREE_API_NAMESPACE */
#if defined(EMBREE_API_NAMESPACE)
# define RTC_NAMESPACE
# define RTC_NAMESPACE_BEGIN namespace {{
# define RTC_NAMESPACE_END }}
# define RTC_NAMESPACE_USE using namespace ;
# define RTC_API_EXTERN_C
# undef EMBREE_API_NAMESPACE
#else
# define RTC_NAMESPACE_BEGIN
# define RTC_NAMESPACE_END
# define RTC_NAMESPACE_USE
# if defined(__cplusplus)
# define RTC_API_EXTERN_C extern "C"
# else
# define RTC_API_EXTERN_C
# endif
#endif
#if defined(ISPC)
# define RTC_API_IMPORT extern "C" unmasked
# define RTC_API_EXPORT extern "C" unmasked
#elif defined(EMBREE_STATIC_LIB)
# define RTC_API_IMPORT RTC_API_EXTERN_C
# define RTC_API_EXPORT RTC_API_EXTERN_C
#elif defined(_WIN32)
# define RTC_API_IMPORT RTC_API_EXTERN_C __declspec(dllimport)
# define RTC_API_EXPORT RTC_API_EXTERN_C __declspec(dllexport)
#else
# define RTC_API_IMPORT RTC_API_EXTERN_C
# define RTC_API_EXPORT RTC_API_EXTERN_C __attribute__ ((visibility ("default")))
#endif
#if defined(RTC_EXPORT_API)
# define RTC_API RTC_API_EXPORT
#else
# define RTC_API RTC_API_IMPORT
#endif
"""
)
os.chdir("..")
shutil.rmtree("embree-tmp")
subprocess.run(["git", "restore", "embree/patches"])
for patch in os.listdir("embree/patches"):
subprocess.run(["git", "apply", "embree/patches/" + patch])