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view docs/html/sdlwmiconifywindow.html @ 1240:3b8a43c428bb
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 | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_WM_IconifyWindow</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Window Management" HREF="wm.html"><LINK REL="PREVIOUS" TITLE="SDL_WM_SetIcon" HREF="sdlwmseticon.html"><LINK REL="NEXT" TITLE="SDL_WM_ToggleFullScreen" HREF="sdlwmtogglefullscreen.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlwmseticon.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlwmtogglefullscreen.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLWMICONIFYWINDOW" ></A >SDL_WM_IconifyWindow</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3617" ></A ><H2 >Name</H2 >SDL_WM_IconifyWindow -- Iconify/Minimise the window</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN3620" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN3621" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_WM_IconifyWindow</B ></CODE >(void);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3627" ></A ><H2 >Description</H2 ><P >If the application is running in a window managed environment SDL attempts to iconify/minimise it. If <TT CLASS="FUNCTION" >SDL_WM_IconifyWindow</TT > is successful, the application will receive a <A HREF="sdlactiveevent.html" ><TT CLASS="LITERAL" >SDL_APPACTIVE</TT ></A > loss event.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3633" ></A ><H2 >Return Value</H2 ><P >Returns non-zero on success or <SPAN CLASS="RETURNVALUE" >0</SPAN > if iconification is not support or was refused by the window manager.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlwmseticon.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlwmtogglefullscreen.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_WM_SetIcon</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="wm.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_WM_ToggleFullScreen</TD ></TR ></TABLE ></DIV ></BODY ></HTML >