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annotate README.DirectFB @ 5227:c66b2a778b7e

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Try to create an OpenGL ES 2.0 context on Android and successfully fall back to OpenGL ES 1.1 if that fails.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Feb 2011 17:44:07 -0800
parents 164f20ba08eb
children
rev   line source
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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 - multiple displays
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9 - windows
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10
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11 What you need:
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12
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13 DirectFB 1.0.1, 1.2.x, 1.3.0
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14 Kernel-Framebuffer support: required: vesafb, radeonfb ....
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15 Mesa 7.0.x - optional for OpenGL
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16
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17 /etc/directfbrc
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18
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19 This file should contain the following lines to make
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20 your joystick work and avoid crashes:
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21 ------------------------
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22 disable-module=joystick
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23 disable-module=cle266
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24 disable-module=cyber5k
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25 no-linux-input-grab
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26 ------------------------
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27
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28 To disable to use x11 backend when DISPLAY variable is found use
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29
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30 export SDL_DIRECTFB_X11_CHECK=0
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31
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32 To disable the use of linux input devices, i.e. multimice/multikeyboard support,
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33 use
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34
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35 export SDL_DIRECTFB_LINUX_INPUT=0
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36
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37 To use hardware accelerated YUV-overlays for YUV-textures, use:
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38
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39 export SDL_DIRECTFB_YUV_DIRECT=1
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40
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41 This is disabled by default. It will only support one
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42 YUV texture, namely the first. Every other YUV texture will be
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43 rendered in software.
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44
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45 In addition, you may use (directfb-1.2.x)
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46
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47 export SDL_DIRECTFB_YUV_UNDERLAY=1
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48
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49 to make the YUV texture an underlay. This will make the cursor to
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50 be shown.
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51
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52 Simple Window Manager
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53 =====================
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54
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55 The driver has support for a very, very basic window manager you may
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56 want to use when runnning with "wm=default". Use
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57
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58 export SDL_DIRECTFB_WM=1
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59
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60 to enable basic window borders. In order to have the window title rendered,
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61 you need to have the following font installed:
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62
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63 /usr/share/fonts/truetype/freefont/FreeSans.ttf
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64
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65 OPENGL Support
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66 ==============
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67
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68 The following instructions will give you *software* opengl. However this
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69 works at least on all directfb supported platforms.
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70
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71 As of this writing 20100802 you need to pull Mesa from git and do the following:
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72
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73 ------------------------
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74 git clone git://anongit.freedesktop.org/git/mesa/mesa
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75 cd mesa
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76 git checkout 2c9fdaf7292423c157fc79b5ce43f0f199dd753a
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77 ------------------------
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78
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79 Edit configs/linux-directfb so that the Directories-section looks like
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80 ------------------------
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81 # Directories
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82 SRC_DIRS = mesa glu
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83 GLU_DIRS = sgi
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84 DRIVER_DIRS = directfb
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85 PROGRAM_DIRS =
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86 ------------------------
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87
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88 make linux-directfb
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89 make
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90
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91 echo Installing - please enter sudo pw.
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92
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93 sudo make install INSTALL_DIR=/usr/local/dfb_GL
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94 cd src/mesa/drivers/directfb
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95 make
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96 sudo make install INSTALL_DIR=/usr/local/dfb_GL
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97 ------------------------
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98
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99 To run the SDL - testprograms:
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100
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101 export SDL_VIDEODRIVER=directfb
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102 export LD_LIBRARY_PATH=/usr/local/dfb_GL/lib
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103 export LD_PRELOAD=/usr/local/dfb_GL/libGL.so.7
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104
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105 ./testgl
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106