8000 alphablit: Add env var to warning message by illume · Pull Request #3935 · pygame/pygame · GitHub
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alphablit: Add env var to warning message #3935

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Merged
merged 2 commits into from
Jun 24, 2023
Merged

alphablit: Add env var to warning message #3935

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eb3915d
alphablit: Add env var to warning message
illume Jun 24, 2023
e590782
buildconfig: Fix avx2 detection logic to default to False
illume Jun 24, 2023
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2 changes: 1 addition & 1 deletion setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@
}

def spawn(self, cmd, **kwargs):
should_use_avx2 = os.environ.get('PYGAME_DETECT_AVX2', '') != ''
should_use_avx2 = False
# try to be thorough in detecting that we are on a platform that potentially supports AVX2
machine_name = platform.machine()
if ((machine_name.startswith(("x86", "i686")) or
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5 changes: 4 additions & 1 deletion src_c/alphablit.c
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Expand Up @@ -3010,7 +3010,10 @@ premul_surf_color_by_alpha_non_simd(SDL_Surface *src, SDL_Surface *dst)
PyExc_RuntimeWarning, \
"Your system is " #s " capable but pygame was not " \
"built with support for it. The performance of some " \
"of your blits could be adversely affected", \
"of your blits could be adversely affected. Consider" \
" enabling compile time detection with environment " \
"variables like PYGAME_DETECT_AVX2=1 if you are " \
"compiling without cross compilation.", \
1) < 0) { \
return -1; \
} \
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