annotate docs/html/guide.html @ 3335:b8d313de8a65

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
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1 <HTML
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4 >SDL Guide</TITLE
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6 NAME="GENERATOR"
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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8 "><LINK
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9 REL="HOME"
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10 TITLE="SDL Library Documentation"
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13 TITLE="SDL Library Documentation"
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15 REL="NEXT"
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16 TITLE="Preface"
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17 HREF="guidepreface.html"></HEAD
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33 ><TR
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34 ><TH
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35 COLSPAN="3"
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36 ALIGN="center"
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37 >SDL Library Documentation</TH
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38 ></TR
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44 ><A
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45 HREF="index.html"
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46 ACCESSKEY="P"
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47 >Prev</A
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48 ></TD
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57 VALIGN="bottom"
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58 ><A
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59 HREF="guidepreface.html"
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60 ACCESSKEY="N"
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61 >Next</A
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62 ></TD
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70 ><A
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71 NAME="GUIDE"
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72 ></A
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75 ><H1
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76 CLASS="TITLE"
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77 >I. SDL Guide</H1
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78 ><DIV
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80 ><DL
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82 ><B
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83 >Table of Contents</B
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84 ></DT
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85 ><DT
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86 ><A
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87 HREF="guidepreface.html"
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88 >Preface</A
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89 ></DT
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90 ><DT
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91 >1. <A
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92 HREF="guidethebasics.html"
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93 >The Basics</A
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94 ></DT
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95 ><DT
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96 >2. <A
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97 HREF="guidevideo.html"
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98 >Graphics and Video</A
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99 ></DT
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100 ><DT
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101 >3. <A
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102 HREF="guideinput.html"
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103 >Input handling</A
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104 ></DT
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105 ><DT
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106 >4. <A
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107 HREF="guideexamples.html"
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108 >Examples</A
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109 ></DT
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110 ></DL
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111 ></DIV
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112 ></DIV
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113 ></DIV
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115 CLASS="NAVFOOTER"
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118 WIDTH="100%"><TABLE
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128 VALIGN="top"
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129 ><A
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130 HREF="index.html"
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131 ACCESSKEY="P"
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132 >Prev</A
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133 ></TD
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137 VALIGN="top"
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138 ><A
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139 HREF="index.html"
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140 ACCESSKEY="H"
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141 >Home</A
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142 ></TD
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143 ><TD
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144 WIDTH="33%"
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146 VALIGN="top"
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147 ><A
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148 HREF="guidepreface.html"
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149 ACCESSKEY="N"
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150 >Next</A
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151 ></TD
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153 ><TR
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154 ><TD
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155 WIDTH="33%"
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158 >SDL Library Documentation</TD
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159 ><TD
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162 VALIGN="top"
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163 >&nbsp;</TD
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164 ><TD
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165 WIDTH="33%"
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167 VALIGN="top"
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168 >Preface</TD
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169 ></TR
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170 ></TABLE
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171 ></DIV
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173 ></HTML
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174 >