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From Bug #36: There are a couple of issues with the selection of Altivec alpha-blitting routines in CalculateAlphaBlit() in src/video/SDL_Blit_A.c. 1) There's no check for the presence of Altivec when checking if the Blit32to565PixelAlphaAltivec() routine can be selected. 2) Altivec cannot be used in video memory, and there's no check if the destination surface is a hardware surface. (Alpha-blitting to a hardware surface with GPU support is a bad idea, but somebody's bound to do it anyway.) Patch to fix these attached.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 08 Jan 2006 21:18:15 +0000
parents e5bc29de3f0a
children 546f7c1eb755
line wrap: on
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.TH "SDL_PauseAudio" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_PauseAudio\- Pauses and unpauses the audio callback processing
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBvoid \fBSDL_PauseAudio\fP\fR(\fBint pause_on\fR);
.SH "DESCRIPTION"
.PP
This function pauses and unpauses the audio callback processing\&. It should be called with \fBpause_on\fR=0 after opening the audio device to start playing sound\&. This is so you can safely initialize data for your callback function after opening the audio device\&. Silence will be written to the audio device during the pause\&.
.SH "SEE ALSO"
.PP
\fI\fBSDL_GetAudioStatus\fP\fR, \fI\fBSDL_OpenAudio\fP\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58