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annotate README.DirectFB @ 2723:911db724ea24

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Couriersud fixed bug #603 Using the following sequence SDL_Init(..:) SDL_CreateWindow(..., SDL_WINDOW_OPENGL) SDL_DestroyWindow SDL_CreateWindow(..., SDL_WINDOW_OPENGL) SDL will crash in X11_GL_GetVisual. This is due to the fact that during SDL_DestroyWindow X11_GL_Shutdown was called because the last window has been closed. On the next call to SDL_CreateWindow the library is still loaded and only the memory is reinitialized. Function pointers such as gl_data->glXChooseVisual will not be reinitialized. Consequently, SDL will crash due to a NULL pointer access. The attached patch corrects the behaviour.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 26 Aug 2008 02:47:26 +0000
parents 0e70b4b8cf84
children 8133d1d278da
rev   line source
2226
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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1 SDL on DirectFB
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2
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3 Supports:
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4
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5 - Hardware YUV overlays
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6 - OpenGL - software only
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7 - 2D/3D accelerations (depends on directfb driver)
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8
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9 What you need:
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10
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11 DirectFB 1.0.0 - required
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12 Kernel-Framebuffer support: required: vesafb, radeonfb ....
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13 Mesa 7.0.x - optional for OpenGL
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14
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15 As of this writing 20070810 you need to pull Mesa from git and do the following:
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16
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17 ------------------------
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18 cd mesa
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19 make linux-directfb
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20 make
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21
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22 echo Installing - pleaser enter sudo pw.
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23
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24 sudo make install INSTALL_DIR=/usr/local/dfb_GL
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25 cd src/mesa/drivers/directfb
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26 make
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27 sudo make install INSTALL_DIR=/usr/local/dfb_GL
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28 ------------------------
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29
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30 To run the SDL - testprograms:
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31
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32 export SDL_VIDEODRIVER=directfb
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33 export LD_LIBRARY_PATH=/usr/local/dfb_GL/lib
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34 export LD_PRELOAD=/usr/local/dfb_GL/libGL.so.7
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35
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36 ./testgl
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37
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38 To use hardware accelerated YUV-overlays for YUV-textures, use:
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39
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40 export SDL_DIRECTFB_YUV_DIRECT=1
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41
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42 This is disabled by default. It will only support one concurrent
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43 overlay and may behave strange if not used with SDL_CreateYUvOverlay
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44 from SDLcompat.c.
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45