view docs/html/sdlvideoinfo.html @ 4347:38f22ed3a433 SDL-1.2

Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 355632dca928
children
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>SDL_VideoInfo</TITLE
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><H1
><A
NAME="SDLVIDEOINFO"
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>SDL_VideoInfo</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN3390"
></A
><H2
>Name</H2
>SDL_VideoInfo&nbsp;--&nbsp;Video Target information</DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN3393"
></A
><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
  Uint32 hw_available:1;
  Uint32 wm_available:1;
  Uint32 blit_hw:1;
  Uint32 blit_hw_CC:1;
  Uint32 blit_hw_A:1;
  Uint32 blit_sw:1;
  Uint32 blit_sw_CC:1;
  Uint32 blit_sw_A:1;
  Uint32 blit_fill;
  Uint32 video_mem;
  SDL_PixelFormat *vfmt;
} SDL_VideoInfo;</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
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><H2
>Structure Data</H2
><DIV
CLASS="INFORMALTABLE"
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><TT
CLASS="STRUCTFIELD"
><I
>hw_available</I
></TT
></TD
><TD
ALIGN="LEFT"
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>Is it possible to create hardware surfaces?</TD
></TR
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><TT
CLASS="STRUCTFIELD"
><I
>wm_available</I
></TT
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><TD
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>Is there a window manager available</TD
></TR
><TR
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><TT
CLASS="STRUCTFIELD"
><I
>blit_hw</I
></TT
></TD
><TD
ALIGN="LEFT"
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>Are hardware to hardware blits accelerated?</TD
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><TR
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><TT
CLASS="STRUCTFIELD"
><I
>blit_hw_CC</I
></TT
></TD
><TD
ALIGN="LEFT"
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>Are hardware to hardware colorkey blits accelerated?</TD
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><TT
CLASS="STRUCTFIELD"
><I
>blit_hw_A</I
></TT
></TD
><TD
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>Are hardware to hardware alpha blits accelerated?</TD
></TR
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><TT
CLASS="STRUCTFIELD"
><I
>blit_sw</I
></TT
></TD
><TD
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>Are software to hardware blits accelerated?</TD
></TR
><TR
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><TT
CLASS="STRUCTFIELD"
><I
>blit_sw_CC</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Are software to hardware colorkey blits accelerated?</TD
></TR
><TR
><TD
ALIGN="LEFT"
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><TT
CLASS="STRUCTFIELD"
><I
>blit_sw_A</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>Are software to hardware alpha blits accelerated?</TD
></TR
><TR
><TD
ALIGN="LEFT"
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><TT
CLASS="STRUCTFIELD"
><I
>blit_fill</I
></TT
></TD
><TD
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>Are color fills accelerated?</TD
></TR
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><TT
CLASS="STRUCTFIELD"
><I
>video_mem</I
></TT
></TD
><TD
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>Total amount of video memory in Kilobytes</TD
></TR
><TR
><TD
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><TT
CLASS="STRUCTFIELD"
><I
>vfmt</I
></TT
></TD
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><A
HREF="sdlpixelformat.html"
>Pixel format</A
> of the video device</TD
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><P
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><DIV
CLASS="REFSECT1"
><A
NAME="AEN3446"
></A
><H2
>Description</H2
><P
>This (read-only) structure is returned by <A
HREF="sdlgetvideoinfo.html"
><TT
CLASS="FUNCTION"
>SDL_GetVideoInfo</TT
></A
>. It contains information on either the 'best' available mode  (if called before <A
HREF="sdlsetvideomode.html"
><TT
CLASS="FUNCTION"
>SDL_SetVideoMode</TT
></A
>) or the current video mode.</P
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><H2
>See Also</H2
><P
><A
HREF="sdlpixelformat.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_PixelFormat</SPAN
></A
>,
<A
HREF="sdlgetvideoinfo.html"
><TT
CLASS="FUNCTION"
>SDL_GetVideoInfo</TT
></A
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