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annotate README.DirectFB @ 2806:938aa47f903a

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Fixed testalpha screen clear for screen formats with an alpha channel
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Nov 2008 11:24:18 +0000
parents 8133d1d278da
children e759ad5e6f43
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 /etc/directfbrc
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31
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32 This file should contain the following two lines to make
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33 your joystick work:
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34 ------------------------
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35 disable-module=joystick
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36 disable-module=linux_input
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37 ------------------------
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38
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39 To run the SDL - testprograms:
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40
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41 export SDL_VIDEODRIVER=directfb
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42 export LD_LIBRARY_PATH=/usr/local/dfb_GL/lib
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43 export LD_PRELOAD=/usr/local/dfb_GL/libGL.so.7
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44
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45 ./testgl
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46
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47 To use hardware accelerated YUV-overlays for YUV-textures, use:
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48
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49 export SDL_DIRECTFB_YUV_DIRECT=1
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50
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51 This is disabled by default. It will only support one
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52 YUV texture, namely the first. Every other YUV texture will be
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53 rendered in software.
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54
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55 In addition, you may use
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56
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57 export SDL_DIRECTFB_YUV_UNDERLAY=1
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58
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59 to make the YUV texture an underlay. This will make the cursor to
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60 be shown.
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61