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LibGfx: Use memcpy instead of fast_u32_copy for blitting

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In some artificial full screen blitting profiling, I've seen `memcpy`
take up about 4% fewer samples each time I measure. It seems like
`fast_u32_copy` is not as fast as it'd like to believe.
This commit is contained in:
Jelle Raaijmakers 2022-09-14 14:29:27 +02:00 committed by Andreas Kling
parent 57ad99ef16
commit bfb4e08612
Notes: sideshowbarker 2024-07-17 07:10:27 +09:00 
Author: https://github.com/gmta
Commit: https://github.com/SerenityOS/serenity/commit/bfb4e08612
Pull-request: https://github.com/SerenityOS/serenity/pull/15238
Reviewed-by: https://github.com/Quaker762 ✅
1 changed files with 1 additions and 1 deletions
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2
Userland/Libraries/LibGfx/Painter.cpp
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@ -1066,7 +1066,7 @@ void Painter::blit(IntPoint const& position, Gfx::Bitmap const& source, IntRect
ARGB32 const* src = source.scanline(src_rect.top() + first_row) + src_rect.left() + first_column;
size_t const src_skip = source.pitch() / sizeof(ARGB32);
for (int row = first_row; row <= last_row; ++row) {
fast_u32_copy(dst, src, clipped_rect.width());
memcpy(dst, src, sizeof(ARGB32) * clipped_rect.width());
dst += dst_skip;
src += src_skip;
}