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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 ab40b9b2d0d5
children 546f7c1eb755
rev   line source
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1 .TH "SDL_ResizeEvent" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_ResizeEvent\- Window resize event structure
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4 .SH "STRUCTURE DEFINITION"
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5 .PP
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6 .nf
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7 \f(CWtypedef struct{
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8 Uint8 type;
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9 int w, h;
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10 } SDL_ResizeEvent;\fR
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11 .fi
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12 .PP
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13 .SH "STRUCTURE DATA"
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14 .TP 20
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15 \fBtype\fR
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16 \fBSDL_VIDEORESIZE\fP
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17 .TP 20
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18 \fBw\fR, \fBh\fR
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19 New width and height of the window
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20 .SH "DESCRIPTION"
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21 .PP
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22 \fBSDL_ResizeEvent\fR is a member of the \fI\fBSDL_Event\fR\fR union and is used when an event of type \fBSDL_VIDEORESIZE\fP is reported\&.
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23 .PP
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24 When \fBSDL_RESIZABLE\fP is passed as a \fBflag\fR to \fI\fBSDL_SetVideoMode\fP\fR the user is allowed to resize the applications window\&. When the window is resized an \fBSDL_VIDEORESIZE\fP is report, with the new window width and height values stored in \fBw\fR and \fBh\fR, respectively\&. When an \fBSDL_VIDEORESIZE\fP is received the window should be resized to the new dimensions using \fI\fBSDL_SetVideoMode\fP\fR\&.
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25 .SH "SEE ALSO"
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26 .PP
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27 \fI\fBSDL_Event\fR\fR, \fI\fBSDL_SetVideoMode\fP\fR
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28 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59