skywind3000 / basicbitmap Goto Github PK
View Code? Open in Web Editor NEWSimple and high-performance and platform independent Bitmap class (34% faster than GDI/GDI+, 40% faster than DDraw)
License: MIT License
Simple and high-performance and platform independent Bitmap class (34% faster than GDI/GDI+, 40% faster than DDraw)
License: MIT License
maskmovdqu - Reciprocal throughput:
K8 - 26
K10 - 24
Bulldozer - 61
Piledriver - 92
Steamroller - 31
Bobcat - 260-2300 ... Dangerous!!!
Jaguar - 34 ( latency 43-2210 )
IMO it'd be faster to use some combination of Logic operations for TransparentBlit_x
(( p & d ) | ( ~p & s )) // intuitive way
(( s | p ) ^ ( ~d & p )) // dst can be ready later
(( ~s & ~p) ^ (~p | d )) // extra neg
((( d ^ s ) & p ) ^ s ) // no neg
((( d ^ s ) & ~p ) ^ d ) // etc.
so something like:
s = _mm_loadu_si128( &src[x] );
d = _mm_loadu_si128( &dst[x] );
p = _mm_cmpeq_epi8( ck, s ); // generate mask
r = _mm_xor_si128( _mm_or_si128( s, m ), _mm_andnot_si128( d, m ) ); // blend
_mm_storeu_si128( &dst[x], r );
wiki page is missing to use this library :)
被这个项目的介绍吸引 好像很厉害
但是看了项目介绍中 似乎
BasicBitmap C++版本 不透明 情况下比GDI略差 而透明情况下也和GDI相当或者略高于GDI
好像 优势不是很明显?
Is it possible to use it in ReactOS in place of DirectDraw, etc?
Hi, i am testing bitmap display with basicbitmap,
but, it didn't displayed on window, how to do it properly?
https://github.com/sailfish009/StreamPlayer/blob/master/Frame.cpp
BasicBitmap bitmap = BasicBitmap(width_, height_,BasicBitmap::A8R8G8B8, pixelsPtr_,2048);
bitmap.Blit(rc.left, rc.top, &bitmap, rc.right - rc.left, rc.bottom - rc.top, width_, height_);
Is it possible to use it for programs that use DirectDraw, etc?
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