From f68a7edcf8187ba326232a4d4377de66e68a6638 Mon Sep 17 00:00:00 2001 From: Isaac Aronson Date: Tue, 5 Sep 2023 23:03:00 -0500 Subject: [PATCH] Properly shortcut only when AVX2 or SSE4.1 available --- src/video/SDL_blit_A.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/video/SDL_blit_A.c b/src/video/SDL_blit_A.c index 5e35c9c7bb..7a5757100e 100644 --- a/src/video/SDL_blit_A.c +++ b/src/video/SDL_blit_A.c @@ -1383,7 +1383,7 @@ SDL_BlitFunc SDL_CalculateBlitA(SDL_Surface *surface) case 4: #if defined(SDL_SSE4_1_INTRINSICS) || defined(SDL_AVX2_INTRINSICS) - if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4) { + if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && (SDL_HasAVX2() || SDL_HasSSE41())) { return BlitNtoNPixelAlpha; } #endif