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SDL_blit: remove SDL_BLIT_CPU_FEATURES override

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Anonymous Maarten 2024-03-10 00:01:39 +01:00 committed by Sam Lantinga
parent 1aa9ef7213
commit f030533580
1 changed files with 14 additions and 22 deletions
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36
src/video/SDL_blit.c
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@ -130,29 +130,21 @@ static SDL_BlitFunc SDL_ChooseBlitFunc(Uint32 src_format, Uint32 dst_format, int
/* Get the available CPU features */
if (features == 0x7fffffff) {
const char *override = SDL_getenv("SDL_BLIT_CPU_FEATURES");
features = SDL_CPU_ANY;
/* Allow an override for testing .. */
if (override) {
(void)SDL_sscanf(override, "%u", &features);
} else {
if (SDL_HasMMX()) {
features |= SDL_CPU_MMX;
}
if (SDL_HasSSE()) {
features |= SDL_CPU_SSE;
}
if (SDL_HasSSE2()) {
features |= SDL_CPU_SSE2;
}
if (SDL_HasAltiVec()) {
if (SDL_UseAltivecPrefetch()) {
features |= SDL_CPU_ALTIVEC_PREFETCH;
} else {
features |= SDL_CPU_ALTIVEC_NOPREFETCH;
}
if (SDL_HasMMX()) {
features |= SDL_CPU_MMX;
}
if (SDL_HasSSE()) {
features |= SDL_CPU_SSE;
}
if (SDL_HasSSE2()) {
features |= SDL_CPU_SSE2;
}
if (SDL_HasAltiVec()) {
if (SDL_UseAltivecPrefetch()) {
features |= SDL_CPU_ALTIVEC_PREFETCH;
} else {
features |= SDL_CPU_ALTIVEC_NOPREFETCH;
}
}
}