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libpng: Enable intrinsics on x86/SSE2, ppc64/VSX, and all arm/NEON

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This commit is contained in:
Rémi Verschelde
2023-06-16 13:20:59 +02:00
parent eb4301b941
commit 2c9b7fc7a8
9 changed files with 1361 additions and 27 deletions
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40
drivers/png/SCsub
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@ -33,30 +33,30 @@ if env["builtin_libpng"]:
# Needed for drivers includes and in platform/web.
env.Prepend(CPPPATH=[thirdparty_dir])
# 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"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/palette_neon_intrinsics.c"))
thirdparty_obj += neon_sources
if env["arch"].startswith("arm"):
if env.msvc: # Can't compile assembly files with MSVC.
env_thirdparty.Append(CPPDEFINES=[("PNG_ARM_NEON_OPT"), 0])
else:
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"))
neon_sources.append(env_neon.Object(thirdparty_dir + "/arm/palette_neon_intrinsics.c"))
thirdparty_obj += neon_sources
elif env["arch"].startswith("x86"):
env_thirdparty.Append(CPPDEFINES=["PNG_INTEL_SSE"])
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/intel/intel_init.c")
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/intel/filter_sse2_intrinsics.c")
elif env["arch"] == "ppc64":
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/powerpc/powerpc_init.c")
env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/powerpc/filter_vsx_intrinsics.c")
env.drivers_sources += thirdparty_obj