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-rw-r--r--modules/raycast/godot_update_embree.py251
1 files changed, 251 insertions, 0 deletions
diff --git a/modules/raycast/godot_update_embree.py b/modules/raycast/godot_update_embree.py
new file mode 100644
index 0000000000..31a25a318f
--- /dev/null
+++ b/modules/raycast/godot_update_embree.py
@@ -0,0 +1,251 @@
+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",
+]
+
+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 */
+/* #undef 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")