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annotate src/video/SDL_blit_auto.h @ 3335:b8d313de8a65

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Adam Strzelecki to SDL Since current DirectFB implementation is incomplete for YUV surfaces (actually causes segmentation faults when trying Lock and use YUV planar textures) I decided to fix it a bit. Here's a patch that should make DirectFB properly support YUV both packed and planar (3 planes). (1) Removed SDL_BYTESPERPIXEL at all in favor of DFB_BYTES_PER_PIXEL(SDLToDFBPixelFormat(fmt)) which does return always proper BPP for YUVs too, coz SDL_BYTESPERPIXEL returns incorrect values for FOURCCs (2) Fixed data->pixels allocation for planar YUVs in CreateTexture, it should allocate 150% more space (3) Copy other planes for planar YUVs in UpdateTexture (4) Moved checking if format is supported at all with DirectFB on CreateTexture at the beginning of the code Waiting for comments, -- Adam Strzelecki | nanoant.com
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Oct 2009 04:03:37 +0000
parents 99210400e8b9
children f7b03b6838cb
rev   line source
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1 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
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2 /*
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3 SDL - Simple DirectMedia Layer
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4 Copyright (C) 1997-2009 Sam Lantinga
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5
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6 This library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU Lesser General Public
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8 License as published by the Free Software Foundation; either
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9 version 2.1 of the License, or (at your option) any later version.
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10
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11 This library is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 Lesser General Public License for more details.
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15
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16 You should have received a copy of the GNU Lesser General Public
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17 License along with this library; if not, write to the Free Software
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18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19
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20 Sam Lantinga
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21 slouken@libsdl.org
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22 */
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23 #include "SDL_config.h"
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24
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25 /* *INDENT-OFF* */
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26
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27 extern SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[];
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28
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29 /* *INDENT-ON* */
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31 /* vi: set ts=4 sw=4 expandtab: */