Mercurial > sdl-ios-xcode
view src/audio/SDL_mixer_MMX_VC.h @ 882:9301b429c99f
Date: Sun, 11 Apr 2004 13:09:44 +0200
From: Stephane Marchesin
Subject: [SDL] [Patch] inlining memcpy functions
I (finally) did some benchmarking of the misc mmx & sse blitting
functions, and found a little bottleneck in the memcpy ones : you get
~10% more performance on small surface blitting if you inline them.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 11 Apr 2004 19:52:58 +0000 |
parents | 72ef7ce609ef |
children | 450721ad5436 |
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#if defined(USE_ASM_MIXER_VC) // headers for MMX assembler version of SDL_MixAudio // Copyright 2002 Stephane Marchesin (stephane.marchesin@wanadoo.fr) // Converted to Intel ASM notation by Cth // This code is licensed under the LGPL (see COPYING for details) // // Assumes buffer size in bytes is a multiple of 16 // Assumes SDL_MIX_MAXVOLUME = 128 void SDL_MixAudio_MMX_S16_VC(char* ,char* ,unsigned int ,int ); void SDL_MixAudio_MMX_S8_VC(char* ,char* ,unsigned int ,int ); #endif