godot/drivers/png/SCsub

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#!/usr/bin/env python
Import("env")
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env_png = env.Clone()
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# Thirdparty source files
thirdparty_obj = []
if env["builtin_libpng"]:
thirdparty_dir = "#thirdparty/libpng/"
thirdparty_sources = [
"png.c",
"pngerror.c",
"pngget.c",
"pngmem.c",
"pngpread.c",
"pngread.c",
"pngrio.c",
"pngrtran.c",
"pngrutil.c",
"pngset.c",
"pngtrans.c",
"pngwio.c",
"pngwrite.c",
"pngwtran.c",
"pngwutil.c",
]
thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
env_png.Prepend(CPPPATH=[thirdparty_dir])
# Needed for drivers includes and in platform/web.
env.Prepend(CPPPATH=[thirdparty_dir])
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# Currently .ASM filter_neon.S does not compile on NT.
import os
# Enable ARM NEON instructions on 32-bit Android to compile more optimized code.
use_neon = env["platform"] == "android" and env["arch"] == "arm32" and os.name != "nt"
if use_neon:
env_png.Append(CPPDEFINES=[("PNG_ARM_NEON_OPT", 2)])
else:
env_png.Append(CPPDEFINES=[("PNG_ARM_NEON_OPT", 0)])
env_thirdparty = env_png.Clone()
env_thirdparty.disable_warnings()
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources)
if use_neon:
env_neon = env_thirdparty.Clone()
if "S_compiler" in env:
env_neon["CC"] = env["S_compiler"]
neon_sources = []
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/arm_init.c"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/filter_neon_intrinsics.c"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/filter_neon.S"))
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neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/palette_neon_intrinsics.c"))
thirdparty_obj += neon_sources
env.drivers_sources += thirdparty_obj
# Godot source files
driver_obj = []
env_png.add_source_files(driver_obj, "*.cpp")
env.drivers_sources += driver_obj
# Needed to force rebuilding the driver files when the thirdparty library is updated.
env.Depends(driver_obj, thirdparty_obj)