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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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  2. <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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  3. <title>PowerVR SDK</title>
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  9.       <p align="left">&nbsp;<a href="http://www.imgtec.com"><img border="0" src="IMGLogo.jpg" width="200" height="30"></a></p>
    10. 

  10.     </td>
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  11.     <td width="33%">
    12. 

  12.       <p align="center"><font color="#808080" face="Arial" size="2">PowerVR Software Development Kit</a></font></p>
    13. 

  13.     </td>
    14. 

  14.     <td width="34%">
    15. 

  15.       <p align="right"><a href="http://www.powervr.com"><img border="0" src="PVRlogo.jpg" width="200" height="27"></a></p>
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  20. </head><body>
    21. 

  21. <!-- Generated by Doxygen 1.3.6 -->
    22. 

  22. <div class="qindex"><a class="qindex" href="index.html">Main&nbsp;Page</a> | <a class="qindex" href="hierarchy.html">Class&nbsp;Hierarchy</a> | <a class="qindex" href="annotated.html">Class&nbsp;List</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="functions.html">Class&nbsp;Members</a> | <a class="qindex" href="globals.html">File&nbsp;Members</a></div>
    23. 

  23. <h1>PVRTTextureAPI.h File Reference</h1><code>#include "<a class="el" href="PVRTError_8h-source.html">../PVRTError.h</a>"</code><br>
    24. 

  24. 

  25. <p>
    26. 

  26. Include dependency graph for PVRTTextureAPI.h:<p><center><img src="PVRTTextureAPI_8h__incl.png" border="0" usemap="#PVRTTextureAPI.h_map" alt="Include dependency graph"></center>
    27. 

  27. <map name="PVRTTextureAPI.h_map">
    28. 

  28. <area href="PVRTError_8h.html" shape="rect" coords="19,81,128,108" alt="">
    29. 

  29. </map>
    30. 

  30. 

  31. <p>
    32. 

  32. This graph shows which files directly or indirectly include this file:<p><center><img src="PVRTTextureAPI_8h__dep__incl.png" border="0" usemap="#PVRTTextureAPI.hdep_map" alt="Included by dependency graph"></center>
    33. 

  33. <map name="PVRTTextureAPI.hdep_map">
    34. 

  34. <area href="OGLES2Tools_8h.html" shape="rect" coords="15,7,132,34" alt="">
    35. 

  35. </map>
    36. 

  36. 

  37. <p>
    38. 

  38. <a href="PVRTTextureAPI_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
    39. 

  39. <tr><td></td></tr>
    40. 

  40. <tr><td colspan=2><br><h2>Functions</h2></td></tr>
    41. 

  41. <tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="PVRTError_8h.html#a5">EPVRTError</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="PVRTTextureAPI_8h.html#a0">PVRTTextureLoadFromPointer</a> (const void *pointer, GLuint *const texName, const void *psTextureHeader=NULL, bool bAllowDecompress=true, const unsigned int nLoadFromLevel=0, const void *const texPtr=0)</td></tr>
    42. 

  42. 

  43. <tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="PVRTError_8h.html#a5">EPVRTError</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="PVRTTextureAPI_8h.html#a1">PVRTTextureLoadFromPVR</a> (const char *const filename, GLuint *const texName, const void *psTextureHeader=NULL, bool bAllowDecompress=true, const unsigned int nLoadFromLevel=0)</td></tr>
    44. 

  44. 

  45. <tr><td class="memItemLeft" nowrap align=right valign=top>unsigned int&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="PVRTTextureAPI_8h.html#a2">PVRTTextureFormatGetBPP</a> (const GLuint nFormat, const GLuint nType)</td></tr>
    46. 

  46. 

  47. </table>
    48. 

  48. <hr><h2>Function Documentation</h2>
    49. 

  49. <a class="anchor" name="a2" doxytag="PVRTTextureAPI.h::PVRTTextureFormatGetBPP" ></a><p>
    50. 

  50. <br><br><h3>PVRTTextureFormatGetBPP</h3><br><div>
    51. 

  51. <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
    52. 

  52.   <tr>
    53. 

  53.     <td class="mdRow">
    54. 

  54.       <table cellpadding="0" cellspacing="0" border="0">
    55. 

  55.         <tr>
    56. 

  56.           <td class="md" nowrap valign="top"> unsigned int PVRTTextureFormatGetBPP </td>
    57. 

  57.           <td class="md" valign="top">(&nbsp;</td>
    58. 

  58.           <td class="md" nowrap valign="top">const GLuint&nbsp;</td>
    59. 

  59.           <td class="mdname" nowrap> <em>nFormat</em>, </td>
    60. 

  60.         </tr>
    61. 

  61.         <tr>
    62. 

  62.           <td class="md" nowrap align="right"></td>
    63. 

  63.           <td></td>
    64. 

  64.           <td class="md" nowrap>const GLuint&nbsp;</td>
    65. 

  65.           <td class="mdname" nowrap> <em>nType</em></td>
    66. 

  66.         </tr>
    67. 

  67.         <tr>
    68. 

  68.           <td></td>
    69. 

  69.           <td class="md">)&nbsp;</td>
    70. 

  70.           <td class="md" colspan="2"></td>
    71. 

  71.         </tr>
    72. 

  72. 

  73.       </table>
    74. 

  74.     </td>
    75. 

  75.   </tr>
    76. 

  76. </table>
    77. 

  77. <table cellspacing=5 cellpadding=0 border=0>
    78. 

  78.   <tr>
    79. 

  79.     <td>
    80. 

  80.       &nbsp;
    81. 

  81.     </td>
    82. 

  82.     <td>
    83. 

  83. 

  84. <p>
    85. 

  85. <dl compact><dt><b>Inputs:</b></dt><dd>
    86. 

  86.   <table border="0" cellspacing="2" cellpadding="0">
    87. 

  87.     <tr><td valign=top><em>nFormat</em>&nbsp;</td><td></td></tr>
    88. 

  88.     <tr><td valign=top><em>nType</em>&nbsp;</td><td></td></tr>
    89. 

  89.   </table>
    90. 

  90. </dl>
    91. 

  91. <dl compact><dt><b>Description:</b></dt><dd>Returns the bits per pixel (BPP) of the format. </dd></dl>
    92. 

  92.     </td>
    93. 

  93.   </tr>
    94. 

  94. </table>
    95. 

  95. <a class="anchor" name="a0" doxytag="PVRTTextureAPI.h::PVRTTextureLoadFromPointer" ></a><p>
    96. 

  96. <br><br><h3>PVRTTextureLoadFromPointer</h3><br><div>
    97. 

  97. <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
    98. 

  98.   <tr>
    99. 

  99.     <td class="mdRow">
    100. 

  100.       <table cellpadding="0" cellspacing="0" border="0">
    101. 

  101.         <tr>
    102. 

  102.           <td class="md" nowrap valign="top"> <a class="el" href="PVRTError_8h.html#a5">EPVRTError</a> PVRTTextureLoadFromPointer </td>
    103. 

  103.           <td class="md" valign="top">(&nbsp;</td>
    104. 

  104.           <td class="md" nowrap valign="top">const void *&nbsp;</td>
    105. 

  105.           <td class="mdname" nowrap> <em>pointer</em>, </td>
    106. 

  106.         </tr>
    107. 

  107.         <tr>
    108. 

  108.           <td class="md" nowrap align="right"></td>
    109. 

  109.           <td></td>
    110. 

  110.           <td class="md" nowrap>GLuint *const&nbsp;</td>
    111. 

  111.           <td class="mdname" nowrap> <em>texName</em>, </td>
    112. 

  112.         </tr>
    113. 

  113.         <tr>
    114. 

  114.           <td class="md" nowrap align="right"></td>
    115. 

  115.           <td></td>
    116. 

  116.           <td class="md" nowrap>const void *&nbsp;</td>
    117. 

  117.           <td class="mdname" nowrap> <em>psTextureHeader</em> = NULL, </td>
    118. 

  118.         </tr>
    119. 

  119.         <tr>
    120. 

  120.           <td class="md" nowrap align="right"></td>
    121. 

  121.           <td></td>
    122. 

  122.           <td class="md" nowrap>bool&nbsp;</td>
    123. 

  123.           <td class="mdname" nowrap> <em>bAllowDecompress</em> = true, </td>
    124. 

  124.         </tr>
    125. 

  125.         <tr>
    126. 

  126.           <td class="md" nowrap align="right"></td>
    127. 

  127.           <td></td>
    128. 

  128.           <td class="md" nowrap>const unsigned int&nbsp;</td>
    129. 

  129.           <td class="mdname" nowrap> <em>nLoadFromLevel</em> = 0, </td>
    130. 

  130.         </tr>
    131. 

  131.         <tr>
    132. 

  132.           <td class="md" nowrap align="right"></td>
    133. 

  133.           <td></td>
    134. 

  134.           <td class="md" nowrap>const void *const&nbsp;</td>
    135. 

  135.           <td class="mdname" nowrap> <em>texPtr</em> = 0</td>
    136. 

  136.         </tr>
    137. 

  137.         <tr>
    138. 

  138.           <td></td>
    139. 

  139.           <td class="md">)&nbsp;</td>
    140. 

  140.           <td class="md" colspan="2"></td>
    141. 

  141.         </tr>
    142. 

  142. 

  143.       </table>
    144. 

  144.     </td>
    145. 

  145.   </tr>
    146. 

  146. </table>
    147. 

  147. <table cellspacing=5 cellpadding=0 border=0>
    148. 

  148.   <tr>
    149. 

  149.     <td>
    150. 

  150.       &nbsp;
    151. 

  151.     </td>
    152. 

  152.     <td>
    153. 

  153. 

  154. <p>
    155. 

  155. <dl compact><dt><b>Inputs:</b></dt><dd>
    156. 

  156.   <table border="0" cellspacing="2" cellpadding="0">
    157. 

  157.     <tr><td valign=top><em>pointer</em>&nbsp;</td><td>Pointer to header-texture's structure </td></tr>
    158. 

  158.   </table>
    159. 

  159. </dl>
    160. 

  160. <dl compact><dt><b>Modified:</b></dt><dd>
    161. 

  161.   <table border="0" cellspacing="2" cellpadding="0">
    162. 

  162.     <tr><td valign=top><em>texName</em>&nbsp;</td><td>the OpenGL ES texture name as returned by glBindTexture </td></tr>
    163. 

  163.     <tr><td valign=top><em>psTextureHeader</em>&nbsp;</td><td>Pointer to a <a class="el" href="structPVR__Texture__Header.html">PVR_Texture_Header</a> struct. Modified to contain the header data of the returned texture Ignored if NULL. </td></tr>
    164. 

  164.   </table>
    165. 

  165. </dl>
    166. 

  166. <dl compact><dt><b>Inputs:</b></dt><dd>
    167. 

  167.   <table border="0" cellspacing="2" cellpadding="0">
    168. 

  168.     <tr><td valign=top><em>bAllowDecompress</em>&nbsp;</td><td>Allow decompression if PVRTC is not supported in hardware. </td></tr>
    169. 

  169.     <tr><td valign=top><em>nLoadFromLevel</em>&nbsp;</td><td>Which mipmap level to start loading from (0=all) </td></tr>
    170. 

  170.     <tr><td valign=top><em>texPtr</em>&nbsp;</td><td>If null, texture follows header, else texture is here. </td></tr>
    171. 

  171.   </table>
    172. 

  172. </dl>
    173. 

  173. <dl compact><dt><b>Returns:</b></dt><dd>PVR_SUCCESS on success </dd></dl>
    174. 

  174. <dl compact><dt><b>Description:</b></dt><dd>Allows textures to be stored in C header files and loaded in. Can load parts of a mipmaped texture (ie skipping the highest detailed levels). Sets the texture MIN/MAG filter to GL_LINEAR_MIPMAP_NEAREST/GL_LINEAR if mipmaps are present, GL_LINEAR/GL_LINEAR otherwise. </dd></dl>
    175. 

  175.     </td>
    176. 

  176.   </tr>
    177. 

  177. </table>
    178. 

  178. <a class="anchor" name="a1" doxytag="PVRTTextureAPI.h::PVRTTextureLoadFromPVR" ></a><p>
    179. 

  179. <br><br><h3>PVRTTextureLoadFromPVR</h3><br><div>
    180. 

  180. <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
    181. 

  181.   <tr>
    182. 

  182.     <td class="mdRow">
    183. 

  183.       <table cellpadding="0" cellspacing="0" border="0">
    184. 

  184.         <tr>
    185. 

  185.           <td class="md" nowrap valign="top"> <a class="el" href="PVRTError_8h.html#a5">EPVRTError</a> PVRTTextureLoadFromPVR </td>
    186. 

  186.           <td class="md" valign="top">(&nbsp;</td>
    187. 

  187.           <td class="md" nowrap valign="top">const char *const&nbsp;</td>
    188. 

  188.           <td class="mdname" nowrap> <em>filename</em>, </td>
    189. 

  189.         </tr>
    190. 

  190.         <tr>
    191. 

  191.           <td class="md" nowrap align="right"></td>
    192. 

  192.           <td></td>
    193. 

  193.           <td class="md" nowrap>GLuint *const&nbsp;</td>
    194. 

  194.           <td class="mdname" nowrap> <em>texName</em>, </td>
    195. 

  195.         </tr>
    196. 

  196.         <tr>
    197. 

  197.           <td class="md" nowrap align="right"></td>
    198. 

  198.           <td></td>
    199. 

  199.           <td class="md" nowrap>const void *&nbsp;</td>
    200. 

  200.           <td class="mdname" nowrap> <em>psTextureHeader</em> = NULL, </td>
    201. 

  201.         </tr>
    202. 

  202.         <tr>
    203. 

  203.           <td class="md" nowrap align="right"></td>
    204. 

  204.           <td></td>
    205. 

  205.           <td class="md" nowrap>bool&nbsp;</td>
    206. 

  206.           <td class="mdname" nowrap> <em>bAllowDecompress</em> = true, </td>
    207. 

  207.         </tr>
    208. 

  208.         <tr>
    209. 

  209.           <td class="md" nowrap align="right"></td>
    210. 

  210.           <td></td>
    211. 

  211.           <td class="md" nowrap>const unsigned int&nbsp;</td>
    212. 

  212.           <td class="mdname" nowrap> <em>nLoadFromLevel</em> = 0</td>
    213. 

  213.         </tr>
    214. 

  214.         <tr>
    215. 

  215.           <td></td>
    216. 

  216.           <td class="md">)&nbsp;</td>
    217. 

  217.           <td class="md" colspan="2"></td>
    218. 

  218.         </tr>
    219. 

  219. 

  220.       </table>
    221. 

  221.     </td>
    222. 

  222.   </tr>
    223. 

  223. </table>
    224. 

  224. <table cellspacing=5 cellpadding=0 border=0>
    225. 

  225.   <tr>
    226. 

  226.     <td>
    227. 

  227.       &nbsp;
    228. 

  228.     </td>
    229. 

  229.     <td>
    230. 

  230. 

  231. <p>
    232. 

  232. <dl compact><dt><b>Inputs:</b></dt><dd>
    233. 

  233.   <table border="0" cellspacing="2" cellpadding="0">
    234. 

  234.     <tr><td valign=top><em>filename</em>&nbsp;</td><td>Filename of the .PVR file to load the texture from </td></tr>
    235. 

  235.   </table>
    236. 

  236. </dl>
    237. 

  237. <dl compact><dt><b>Modified:</b></dt><dd>
    238. 

  238.   <table border="0" cellspacing="2" cellpadding="0">
    239. 

  239.     <tr><td valign=top><em>texName</em>&nbsp;</td><td>the OpenGL ES texture name as returned by glBindTexture </td></tr>
    240. 

  240.     <tr><td valign=top><em>psTextureHeader</em>&nbsp;</td><td>Pointer to a <a class="el" href="structPVR__Texture__Header.html">PVR_Texture_Header</a> struct. Modified to contain the header data of the returned texture Ignored if NULL. </td></tr>
    241. 

  241.   </table>
    242. 

  242. </dl>
    243. 

  243. <dl compact><dt><b>Inputs:</b></dt><dd>
    244. 

  244.   <table border="0" cellspacing="2" cellpadding="0">
    245. 

  245.     <tr><td valign=top><em>bAllowDecompress</em>&nbsp;</td><td>Allow decompression if PVRTC is not supported in hardware. </td></tr>
    246. 

  246.     <tr><td valign=top><em>nLoadFromLevel</em>&nbsp;</td><td>Which mipmap level to start loading from (0=all) </td></tr>
    247. 

  247.   </table>
    248. 

  248. </dl>
    249. 

  249. <dl compact><dt><b>Returns:</b></dt><dd>PVR_SUCCESS on success </dd></dl>
    250. 

  250. <dl compact><dt><b>Description:</b></dt><dd>Allows textures to be stored in binary PVR files and loaded in. Can load parts of a mipmaped texture (ie skipping the highest detailed levels). Sets the texture MIN/MAG filter to GL_LINEAR_MIPMAP_NEAREST/GL_LINEAR if mipmaps are present, GL_LINEAR/GL_LINEAR otherwise. </dd></dl>
    251. 

  251.     </td>
    252. 

  252.   </tr>
    253. 

  253. </table>
    254. 

  254. <br>
    255. 

  255. <br>
    256. 

  256. <P align=left><FONT size=2><STRONG><A 
    257. 

  257.    href="http://www.imgtec.com/powervr/insider/legal/index.asp">Copyright</A> © 
    258. 

  258.    1999-2008, Imagination Technologies Ltd.</STRONG></FONT></P>
    259. 

  259. <hr>
    260. 

  260. <address style="align: left;"><small><FONT color=f0f>
    261. 

  261. Generated by <a href="http://www.doxygen.org/index.html">DOXYGEN</a> 1.3.6</small></address>
    262. 

  262. </body>
    263. 

  263. </html>
    264. 

  264.