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Date: Tue, 19 Aug 2003 17:57:00 +0200 From: Stephane Marchesin Subject: Re: [SDL] [patch] MMX alpha blit patches with MMX detection I think everything is correct now. I've done as much testing as I could, but some real-world testing wouldn't hurt, I think. The patch is here : http://icps.u-strasbg.fr/~marchesin/sdl_mmxblit.patch If you do byte-by-byte comparison of the output between C and MMX functions, you'll notice that the results for 555 and 565 RGB alpha blits aren't exactly the same. This is because MMX functions for 555 and 565 RGB have an higher accuracy. If you want the exact same behaviour that's possible by masking the three lower alpha bits in the MMX functions. Just ask ! I removed one MMX function because after I fixed it to match its C equivalent, it revealed to be slower than the C version on a PIII (although a bit faster on an Athlon XP). I've also added MMX and PIII replacements for SDL_memcpy. Those provide some speed up in testvidinfo -benchmark (at least for me, under linux & X11).
author Sam Lantinga <slouken@libsdl.org>
date Fri, 22 Aug 2003 05:51:19 +0000
parents daa944f00154
children 5fb02068b648
line wrap: on
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%define name @PACKAGE@
%define version @VERSION@
%define release 1

Summary: Simple DirectMedia Layer
Name: %{name}
Version: %{version}
Release: %{release}
Source0: %{name}-%{version}.tar.gz
URL: http://www.libsdl.org/
Copyright: LGPL
Group: System Environment/Libraries
BuildRoot: /var/tmp/%{name}-buildroot
Prefix: %{_prefix}
Provides: libSDL-1.1.so.0

%description
This is the Simple DirectMedia Layer, a generic API that provides low
level access to audio, keyboard, mouse, and display framebuffer across
multiple platforms.

%package devel
Summary: Libraries, includes and more to develop SDL applications.
Group: Development/Libraries
Requires: %{name}

%description devel
This is the Simple DirectMedia Layer, a generic API that provides low
level access to audio, keyboard, mouse, and display framebuffer across
multiple platforms.

This is the libraries, include files and other resources you can use
to develop SDL applications.


%prep
rm -rf ${RPM_BUILD_ROOT}

%setup -q 

%build
CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-svga --disable-video-ggi --disable-video-aalib --disable-debug --enable-dlopen --enable-esd-shared --enable-arts-shared --disable-alsa
make

%install
rm -rf $RPM_BUILD_ROOT
make install prefix=$RPM_BUILD_ROOT/%{prefix}
ln -s libSDL-1.2.so.0 $RPM_BUILD_ROOT/%{prefix}/lib/libSDL-1.1.so.0

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root)
%doc README-SDL.txt COPYING CREDITS BUGS
%{prefix}/lib/lib*.so.*

%files devel
%defattr(-,root,root)
%doc README README-SDL.txt COPYING CREDITS BUGS WhatsNew docs.html
%doc docs/index.html docs/html
%{prefix}/bin/*-config
%{prefix}/lib/lib*.a
%{prefix}/lib/lib*.la
%{prefix}/lib/lib*.so
%{prefix}/include/SDL/
%{prefix}/man/man3/*
%{prefix}/share/aclocal/*

%changelog
* Wed Jan 19 2000 Sam Lantinga <slouken@libsdl.org>
- Re-integrated spec file into SDL distribution
- 'name' and 'version' come from configure 
- Some of the documentation is devel specific
- Removed SMP support from %build - it doesn't work with libtool anyway

* Tue Jan 18 2000 Hakan Tandogan <hakan@iconsult.com>
- Hacked Mandrake sdl spec to build 1.1

* Sun Dec 19 1999 John Buswell <johnb@mandrakesoft.com>
- Build Release

* Sat Dec 18 1999 John Buswell <johnb@mandrakesoft.com>
- Add symlink for libSDL-1.0.so.0 required by sdlbomber
- Added docs

* Thu Dec 09 1999 Lenny Cartier <lenny@mandrakesoft.com>
- v 1.0.0

* Mon Nov  1 1999 Chmouel Boudjnah <chmouel@mandrakesoft.com>
- First spec file for Mandrake distribution.

# end of file