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annotate docs/man3/SDL_UpdateRect.3 @ 3197:434ce3242e1c

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Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +0000
parents 546f7c1eb755
children 1238da4a7112
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_UpdateRect" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_UpdateRect \- Makes sure the given area is updated on the given screen\&.
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBvoid \fBSDL_UpdateRect\fP\fR(\fBSDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Makes sure the given area is updated on the given screen\&. The rectangle must be confined within the screen boundaries (no clipping is done)\&.
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12 .PP
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13 If \&'\fBx\fR\&', \&'\fBy\fR\&', \&'\fBw\fR\&' and \&'\fBh\fR\&' are all 0, \fBSDL_UpdateRect\fP will update the entire screen\&.
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14 .PP
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15 This function should not be called while \&'\fBscreen\fR\&' is \fIlocked\fR\&.
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16 .SH "SEE ALSO"
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17 .PP
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18 \fI\fBSDL_UpdateRects\fP\fR, \fI\fBSDL_Rect\fR\fR, \fI\fBSDL_Surface\fR\fR, \fI\fBSDL_LockSurface\fP\fR
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19 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01