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/GT-I5700/gles20/src/pixel.cpp

https://github.com/DE-NISkA/cm_android_vendor_spica
C++ | 1357 lines | 1019 code | 185 blank | 153 comment | 101 complexity | db1278e9766886b8b36b77e26deb9259 MD5 | raw file
    

  1. /*

    2. 

  2. *******************************************************************************

    3. 

  3. *

    4. 

  4. *                        SAMSUNG INDIA SOFTWARE OPERATIONS

    5. 

  5. *                               Copyright(C) 2006

    6. 

  6. *                              ALL RIGHTS RESERVED

    7. 

  7. *

    8. 

  8. * This program is proprietary  to Samsung India  Software Operations Pvt. Ltd.,

    9. 

  9. * and is protected under International Copyright Act as an unpublished work.Its

    10. 

  10. * use and disclosure is limited by the terms and conditions of a license agree-

    11. 

  11. * -ment. It may not be  copied or otherwise  reproduced or disclosed to persons

    12. 

  12. * outside the licensee's  organization except in accordance  with the terms and

    13. 

  13. * conditions of  such an agreement. All copies and  reproductions  shall be the

    14. 

  14. * property of  Samsung  India Software Operations Pvt. Ltd.  and must bear this

    15. 

  15. * notice in its entirety.

    16. 

  16. *

    17. 

  17. *******************************************************************************

    18. 

  18. */

    19. 

  19. 

    20. 

  20. /*

    21. 

  21. ***************************************************************************//*!

    22. 

  22. *

    23. 

  23. * \file   pixel.cpp

    24. 

  24. * \author Sandeep Kakarlapudi (s.kakarla@samsung.com)

    25. 

  25. * \brief  Pixel Conversion functions & encoding/decoding function definitions

    26. 

  26. *

    27. 

  27. *//*---------------------------------------------------------------------------

    28. 

  28. * NOTES:

    29. 

  29. *

    30. 

  30. *//*---------------------------------------------------------------------------

    31. 

  31. * HISTORY:

    32. 

  32. *

    33. 

  33. * 03.04.2007  Sandeep Kakarlapudi   Initial Version

    34. 

  34. *

    35. 

  35. *   20.06.2007  Sandeep kakarlapudi     Bug-Fix for color expansion

    36. 

  36. *

    37. 

  37. *******************************************************************************

    38. 

  38. */

    39. 

  39. 

    40. 

  40. #include "pixel.h"

    41. 

  41. #include "platform.h"

    42. 

  42. 

    43. 

  43. //#include <vector>

    44. 

  44. #include "ustl.h"

    45. 

  45. 

    46. 

  46. enum { R, G, B, A};

    47. 

  47. 

    48. 

  48. #define TYPE2B enum{numBytes=2}; typedef unsigned short PixType

    49. 

  49. #define TYPE4B enum{numBytes=4}; typedef unsigned int PixType

    50. 

  50. //The following types are typically not used!

    51. 

  51. #define TYPE1B enum{numBytes=1}; typedef unsigned char PixType

    52. 

  52. #define TYPE3B enum{numBytes=3}; typedef unsigned int PixType

    53. 

  53. 

    54. 

  54. 

    55. 

  55. //Debug functions

    56. 

  56. void printBits(unsigned int a)

    57. 

  57. {

    58. 

  58.     //LOGMSG("%x ",a);

    59. 

  59.     ustl::string s;

    60. 

  60. 

    61. 

  61.     do

    62. 

  62.     {

    63. 

  63.         s.insert(0,(a&1)?"1":"");

    64. 

  64.     a>>=1;

    65. 

  65.     }while(a);

    66. 

  66. 

    67. 

  67.     LOGMSG("%s ",s.c_str());

    68. 

  68. }

    69. 

  69. 

    70. 

  70. void printPix(int a,int b,int c,int d, unsigned int val)

    71. 

  71. {

    72. 

  72.     unsigned int x=val&((1<<a)-1);

    73. 

  73.     val>>=a;

    74. 

  74.     unsigned int y = val&(( 1<<b)-1);

    75. 

  75.     val>>=b;

    76. 

  76.     unsigned int z = val&(( 1<<c)-1);

    77. 

  77.     val>>=c;

    78. 

  78.     unsigned int w = val&(( 1<<d)-1);

    79. 

  79.     val>>=d;

    80. 

  80. 

    81. 

  81.     LOGMSG("[ ");

    82. 

  82.     printBits(w);

    83. 

  83.     printBits(z);

    84. 

  84.     printBits(y);

    85. 

  85.     printBits(x);

    86. 

  86.     LOGMSG("]\n");

    87. 

  87. }

    88. 

  88. 

    89. 

  89. #define DEFPRINT static void print(PixType s) { printPix(Bx,By,Bz,Bw,s); }

    90. 

  90. 

    91. 

  91. /* REFERENCE:

    92. 

  92. [2:0] Mode used in Frame Buffer Color

    93. 

  93. 000b = 555, RGB, 16-bit (top bit written as register alpha[7])

    94. 

  94. 001b = 565, RGB, 16-bit

    95. 

  95. 010b = 4444, RGB, 16-bit

    96. 

  96. 011b = 1555, ARGB, 16-bit

    97. 

  97. 100b = 0888, RGB, 32-bit(top byte written as register alpha)

    98. 

  98. 101b = 8888, ARGB, 32-bit

    99. 

  99. 110 ~ 111b = reserved

    100. 

  100. */

    101. 

  101. 

    102. 

  102. #define FMT(f) enum { Fmt = (f) }

    103. 

  103. #define ORDER(a,b,c,d) enum { X=(d), Y=(c), Z=(b), W=(a) }

    104. 

  104. #define BITS(a,b,c,d) enum {Bx=(d), By=(c), Bz=(b), Bw=(a) }

    105. 

  105. 

    106. 

  106. //ORDER, First component is writen at LSBs

    107. 

  107. // X,Y,Z,W is the order in which bits are "popped off" the LSBS are the top of the "stack"

    108. 

  108. // => X corresponds to the LSBs, W corresponds to MSBs

    109. 

  109. 

    110. 

  110. struct PxARGB8 { FMT(E_ARGB8); ORDER(A,R,G,B); BITS(8,8,8,8); TYPE4B; DEFPRINT };

    111. 

  111. struct PxARGB0888 { FMT(E_ARGB0888); ORDER(A,R,G,B); BITS(0,8,8,8); TYPE4B; DEFPRINT };

    112. 

  112. struct PxRGB8  { FMT(E_RGB8); ORDER(A,R,G,B); BITS(0,8,8,8); TYPE3B; DEFPRINT };

    113. 

  113. struct PxARGB4 { FMT(E_ARGB4); ORDER(A,R,G,B); BITS(4,4,4,4); TYPE2B; DEFPRINT };

    114. 

  114. struct PxRGB565{ FMT(E_RGB565); ORDER(A,R,G,B); BITS(0,5,6,5); TYPE2B; DEFPRINT };

    115. 

  115. struct PxRGB5  { FMT(E_RGB5); ORDER(A,R,G,B); BITS(0,5,5,5); TYPE2B; DEFPRINT };

    116. 

  116. struct PxARGB1555 { FMT(E_ARGB1555); ORDER(A,R,G,B); BITS(1,5,5,5); TYPE2B; DEFPRINT };

    117. 

  117. 

    118. 

  118. struct PxLUMINANCE8 { FMT(E_LUMINANCE8); ORDER(A,R,G,B); BITS(0,8,0,0); TYPE1B; DEFPRINT };

    119. 

  119. struct PxLUMINANCE_ALPHA88 { FMT(E_LUMINANCE_ALPHA88); ORDER(A,R,G,B); BITS(8,8,0,0); TYPE2B; DEFPRINT };

    120. 

  120. struct PxLUMINANCE_ALPHA80 { FMT(E_LUMINANCE_ALPHA80); ORDER(A,R,G,B); BITS(0,8,0,0); TYPE2B; DEFPRINT };

    121. 

  121. struct PxLUMINANCE_ALPHA08 { FMT(E_LUMINANCE_ALPHA08); ORDER(A,R,G,B); BITS(8,0,0,0); TYPE2B; DEFPRINT };

    122. 

  122. 

    123. 

  123. struct PxABGR8 {FMT(E_ABGR8); ORDER(A,B,G,R); BITS(8,8,8,8); TYPE4B; DEFPRINT };

    124. 

  124. struct PxBGR8{FMT(E_BGR8); ORDER(A,B,G,R); BITS(0,8,8,8); TYPE3B; DEFPRINT};

    125. 

  125. struct PxRGBA4{FMT(E_RGBA4); ORDER(R,G,B,A); BITS(4,4,4,4); TYPE2B; DEFPRINT};

    126. 

  126. struct PxRGBA5551{FMT(E_RGBA5551); ORDER(R,G,B,A); BITS(5,5,5,1); TYPE2B; DEFPRINT};

    127. 

  127. struct PxALPHA_LIMUNANCE88 { FMT(E_ALPHA_LUMINANCE88); ORDER(A,R,G,B); BITS(8,8,0,0); TYPE2B; DEFPRINT };

    128. 

  128. struct PxALPHA8 { FMT(E_ALPHA8); ORDER(A,R,G,B); BITS(8,0,0,0); TYPE1B; DEFPRINT };

    129. 

  129. // RGB565 & ARGB8  ALREADY DFINED

    130. 

  130. /*

    131. 

  131. *******************************************************************************

    132. 

  132. * Component level encoder / decoder

    133. 

  133. *******************************************************************************

    134. 

  134. */

    135. 

  135. 

    136. 

  136. //Scaffolding to help with function specialization

    137. 

  137. 

    138. 

  138. template <typename S, unsigned char component, unsigned char bits>

    139. 

  139. struct _pixPopHelper   //Handles bits in [4,8]

    140. 

  140. {

    141. 

  141.     static inline void popBits(typename S::PixType& s, PxRGBAData& d)

    142. 

  142.     {

    143. 

  143.         //This implemetation gives accurate results for "bits" in range [4,8]

    144. 

  144. 

    145. 

  145. 

    146. 

  146.         const unsigned char srcVal = (s&((1<<bits)-1));

    147. 

  147.         d.c[component] = ( srcVal<<(8-bits) ) | (srcVal>>(2*bits-8));

    148. 

  148. 

    149. 

  149.         //Old implementation:

    150. 

  150.         //                       MASK           SHIFT UP       set LSBs to 1

    151. 

  151.         //d.c[component] =  ( (s&((1<<bits)-1))<< (8-bits) ) |  ( ((1<<(8-bits))-1) );

    152. 

  152. 

    153. 

  153.         s >>= bits;

    154. 

  154. 

    155. 

  155.         //LOGMSG("d.[%d] = %x \n",component,d.val );

    156. 

  156.         //LOGMSG("s = %x \n",s );

    157. 

  157.     }

    158. 

  158. };

    159. 

  159. 

    160. 

  160. template <typename S, unsigned char component>

    161. 

  161. struct _pixPopHelper<S,component,0> //Handles bits = 0

    162. 

  162. {

    163. 

  163.     static inline void popBits(typename S::PixType& s, PxRGBAData& d)

    164. 

  164.     {

    165. 

  165.         d.c[component] = 0xFF;

    166. 

  166.         //s>>= bits;

    167. 

  167.     }

    168. 

  168. };

    169. 

  169. 

    170. 

  170. template <typename S, unsigned char component>

    171. 

  171. struct _pixPopHelper<S,component,1> //Handles bits = 1

    172. 

  172. {

    173. 

  173.     static inline void popBits(typename S::PixType& s, PxRGBAData& d)

    174. 

  174.     {

    175. 

  175.         d.c[component] = (s&1)? 0xFF : 0;

    176. 

  176.         s>>= 1;//bits;

    177. 

  177.     }

    178. 

  178. };

    179. 

  179. 

    180. 

  180. template <typename S, unsigned char component>

    181. 

  181. struct _pixPopHelper<S,component,2> //Handles bits = 2

    182. 

  182. {

    183. 

  183.     static inline void popBits(typename S::PixType& s, PxRGBAData& d)

    184. 

  184.     {

    185. 

  185.         unsigned char tmp = s&0x3;

    186. 

  186.         tmp |= (tmp<<2);

    187. 

  187.         d.c[component] = (tmp<<4)|tmp;

    188. 

  188.         s>>= 2;

    189. 

  189.     }

    190. 

  190. };

    191. 

  191. 

    192. 

  192. template <typename S, unsigned char component>

    193. 

  193. struct _pixPopHelper<S,component,3> //Handles bits = 3

    194. 

  194. {

    195. 

  195.     static inline void popBits(typename S::PixType& s, PxRGBAData& d)

    196. 

  196.     {

    197. 

  197.         unsigned char tmp = s&0x7;

    198. 

  198.         d.c[component] = (tmp<<5)|(tmp<<2)|(tmp>>1);

    199. 

  199.         s>>= 3;

    200. 

  200.     }

    201. 

  201. };

    202. 

  202. 

    203. 

  203. template <unsigned char component, typename D, unsigned char bits>

    204. 

  204. struct _pixPushHelper

    205. 

  205. {

    206. 

  206.     static inline void pushBits(typename D::PixType& d, const PxRGBAData& s)

    207. 

  207.       {

    208. 

  208.              d<<=bits;

    209. 

  209.         d|= s.c[component]>>(8-bits);

    210. 

  210.       }

    211. 

  211. };

    212. 

  212. 

    213. 

  213. 

    214. 

  214. template <unsigned char component>

    215. 

  215. struct _pixPushHelper<component,PxARGB0888,0>

    216. 

  216. {

    217. 

  217.     static inline void pushBits(PxARGB0888::PixType& d, const PxRGBAData& s)

    218. 

  218.       {

    219. 

  219.     //d<<=8; Not required since A is the first component!

    220. 

  220.         d |= 0xFF;

    221. 

  221. 

    222. 

  222.       }

    223. 

  223. };

    224. 

  224. template <>

    225. 

  225. //When copying to PxLUMINANCE_ALPHA80, we make alpha as 0xff to aid hardware and to conform to GL.

    226. 

  226. struct _pixPushHelper<A,PxLUMINANCE_ALPHA80,0>

    227. 

  227. {

    228. 

  228.     static inline void pushBits(PxLUMINANCE_ALPHA80::PixType& d, const PxRGBAData& s)

    229. 

  229.       {

    230. 

  230.     //d<<=8; Not required since A is the first component!

    231. 

  231.         d |= 0xFF;

    232. 

  232. 

    233. 

  233.       }

    234. 

  234. };

    235. 

  235. 

    236. 

  236. template <>

    237. 

  237. //When copying to PxLUMINANCE_ALPHA80, we make alpha as 0xff to aid hardware and to conform to GL.

    238. 

  238. struct _pixPushHelper<R,PxLUMINANCE_ALPHA08,0>

    239. 

  239. {

    240. 

  240.     static inline void pushBits(PxLUMINANCE_ALPHA08::PixType& d, const PxRGBAData& s)

    241. 

  241.       {

    242. 

  242.     d<<=8; //Not required since A is the first component!

    243. 

  243.                 d |= 0xFF;  //to test

    244. 

  244. 

    245. 

  245.       }

    246. 

  246. };

    247. 

  247. /*

    248. 

  248. *******************************************************************************

    249. 

  249. *  Main encode/decode functions

    250. 

  250. *******************************************************************************

    251. 

  251. */

    252. 

  252. template <typename D, unsigned char component, unsigned char bits>

    253. 

  253. inline void pushBits(typename D::PixType& d, const PxRGBAData& s)

    254. 

  254. {

    255. 

  255.  //   d<<=bits;

    256. 

  256.  //   d|= s.c[component]>>(8-bits);

    257. 

  257. 

    258. 

  258.   _pixPushHelper<component,D,bits>::pushBits(d,s);

    259. 

  259. 

    260. 

  260. }

    261. 

  261. 

    262. 

  262. template <typename S, unsigned char component, unsigned char bits>

    263. 

  263. inline void popBits(typename S::PixType& s, PxRGBAData& d)

    264. 

  264. {

    265. 

  265.     _pixPopHelper<S,component,bits>::popBits(s,d);

    266. 

  266. }

    267. 

  267. 

    268. 

  268. /*

    269. 

  269. *******************************************************************************

    270. 

  270. * Pixel converter templates

    271. 

  271. *******************************************************************************

    272. 

  272. */

    273. 

  273. 

    274. 

  274. template <typename D>

    275. 

  275. inline typename D::PixType

    276. 

  276. convertFromRGBAData(PxRGBAData s)

    277. 

  277. {

    278. 

  278.     typename D::PixType d=0;

    279. 

  279.     pushBits<D, D::W, D::Bw>(d, s);

    280. 

  280.     pushBits<D, D::Z, D::Bz>(d, s);

    281. 

  281.     pushBits<D, D::Y, D::By>(d, s);

    282. 

  282.     pushBits<D, D::X, D::Bx>(d, s);

    283. 

  283.     return d;

    284. 

  284. }

    285. 

  285. 

    286. 

  286. template <typename S>

    287. 

  287. inline PxRGBAData

    288. 

  288. convertToRGBAData(typename S::PixType s)

    289. 

  289. {

    290. 

  290.     PxRGBAData d;

    291. 

  291.     popBits<S, S::X, S::Bx>(s, d);

    292. 

  292.     popBits<S, S::Y, S::By>(s, d);

    293. 

  293.     popBits<S, S::Z, S::Bz>(s, d);

    294. 

  294.     popBits<S, S::W, S::Bw>(s, d);

    295. 

  295. 

    296. 

  296.     return d;

    297. 

  297. }

    298. 

  298. template<typename S>

    299. 

  299. inline void genMipMapCore( void* pIn, void* pOut,GLsizei widthOut, GLsizei heightOut,GLsizei widthIn, GLsizei heightIn)

    300. 

  300. {

    301. 

  301. 

    302. 

  302.   typename S::PixType* srcTmp = (typename S::PixType*)pIn;

    303. 

  303.   typename S::PixType* dstTmp = (typename S::PixType*)pOut;

    304. 

  304. 

    305. 

  305.   typename S::PixType srcT ;

    306. 

  306. 

    307. 

  307.   PxRGBAData d1,d2,d3,d4 ;

    308. 

  308. 

    309. 

  309.   if(heightIn == 1)

    310. 

  310.     widthIn =0;

    311. 

  311.   int flag = 0;

    312. 

  312.   if(widthIn == 1)

    313. 

  313.     flag = 2;

    314. 

  314.   //handle win ==1 AND hin ==1 case

    315. 

  315.   for (int y = 0; y < heightOut ; ++y)

    316. 

  316.       for(int x =0; x< widthOut; ++x)

    317. 

  317.       {

    318. 

  318.         srcT = srcTmp[2*x  + 2*y * widthIn];

    319. 

  319.         popBits<S, S::X, S::Bx>(srcT, d1);

    320. 

  320.         popBits<S, S::Y, S::By>(srcT, d1);

    321. 

  321.         popBits<S, S::Z, S::Bz>(srcT, d1);

    322. 

  322.         popBits<S, S::W, S::Bw>(srcT, d1);

    323. 

  323. 

    324. 

  324.         srcT = srcTmp[ 2*x+1  + 2*y * widthIn];

    325. 

  325.         popBits<S, S::X, S::Bx>(srcT, d2);

    326. 

  326.         popBits<S, S::Y, S::By>(srcT, d2);

    327. 

  327.         popBits<S, S::Z, S::Bz>(srcT, d2);

    328. 

  328.         popBits<S, S::W, S::Bw>(srcT, d2);

    329. 

  329. 

    330. 

  330.         srcT = srcTmp[ 2*x  + (2*y + 1) * widthIn];

    331. 

  331.         popBits<S, S::X, S::Bx>(srcT, d3);

    332. 

  332.         popBits<S, S::Y, S::By>(srcT, d3);

    333. 

  333.         popBits<S, S::Z, S::Bz>(srcT, d3);

    334. 

  334.         popBits<S, S::W, S::Bw>(srcT, d3);

    335. 

  335. 

    336. 

  336.         srcT = srcTmp[ (2*x+1)  + (2*y +1) * widthIn - flag];

    337. 

  337.         popBits<S, S::X, S::Bx>(srcT, d4);

    338. 

  338.         popBits<S, S::Y, S::By>(srcT, d4);

    339. 

  339.         popBits<S, S::Z, S::Bz>(srcT, d4);

    340. 

  340.         popBits<S, S::W, S::Bw>(srcT, d4);

    341. 

  341. 

    342. 

  342.         d1.c[0] =  (d1.c[0] + d2.c[0] + d3.c[0] + d4.c[0])>>2;

    343. 

  343.         d1.c[1] =  (d1.c[1] + d2.c[1] + d3.c[1] + d4.c[1])>>2;

    344. 

  344.         d1.c[2] =  (d1.c[2] + d2.c[2] + d3.c[2] + d4.c[2])>>2;

    345. 

  345.         d1.c[3] =  (d1.c[3] + d2.c[3] + d3.c[3] + d4.c[3])>>2;

    346. 

  346. 

    347. 

  347.         pushBits<S, S::W, S::Bw>(dstTmp[x + y* widthOut], d1);

    348. 

  348.         pushBits<S, S::Z, S::Bz>(dstTmp[x + y* widthOut], d1);

    349. 

  349.         pushBits<S, S::Y, S::By>(dstTmp[x + y* widthOut], d1);

    350. 

  350.         pushBits<S, S::X, S::Bx>(dstTmp[x + y* widthOut], d1);

    351. 

  351. 

    352. 

  352.       }

    353. 

  353. }

    354. 

  354. 

    355. 

  355. void genMipMaps(PxFmt fmt, void* pIn, void* pOut, GLsizei widthOut, GLsizei heightOut, GLsizei widthIn, GLsizei heightIn)

    356. 

  356. {

    357. 

  357. 

    358. 

  358.     switch(fmt)

    359. 

  359.     {

    360. 

  360.     case E_ARGB8:   return genMipMapCore<PxARGB8>( pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    361. 

  361.     case E_ARGB0888:   return genMipMapCore<PxARGB0888>( pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    362. 

  362.     case E_RGB8:    return genMipMapCore<PxRGB8>(pIn,  pOut,  widthOut,  heightOut, widthIn, heightIn);

    363. 

  363.     case E_ARGB4:   return genMipMapCore<PxARGB4>(pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    364. 

  364.     case E_RGB565:  return genMipMapCore<PxRGB565>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    365. 

  365.     case E_RGB5:    return genMipMapCore<PxRGB5>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    366. 

  366.     case E_ARGB1555:    return genMipMapCore<PxARGB1555>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    367. 

  367.     case E_LUMINANCE8:    return genMipMapCore<PxLUMINANCE8>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    368. 

  368.     case E_LUMINANCE_ALPHA88:    return genMipMapCore<PxLUMINANCE_ALPHA88>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    369. 

  369.     case E_LUMINANCE_ALPHA80:    return genMipMapCore<PxLUMINANCE_ALPHA80>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    370. 

  370.     case E_LUMINANCE_ALPHA08:    return genMipMapCore<PxLUMINANCE_ALPHA08>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    371. 

  371. 

    372. 

  372.   //added for new format

    373. 

  373.   case E_ABGR8:   return genMipMapCore<PxABGR8>( pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    374. 

  374.   case E_BGR8:    return genMipMapCore<PxBGR8>(pIn,  pOut,  widthOut,  heightOut, widthIn, heightIn);

    375. 

  375.   case E_RGBA4:   return genMipMapCore<PxRGBA4>(pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    376. 

  376.   case E_RGBA5551:    return genMipMapCore<PxRGBA5551>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    377. 

  377.   case E_ALPHA_LUMINANCE88:    return genMipMapCore<PxALPHA_LIMUNANCE88>(pIn,  pOut,widthOut,  heightOut, widthIn, heightIn);

    378. 

  378.   case E_ALPHA8:   return genMipMapCore<PxALPHA8>( pIn,  pOut, widthOut,  heightOut, widthIn, heightIn);

    379. 

  379. 

    380. 

  380. //  default:

    381. 

  381.         LOGMSG("ERROR: unknown/unsupported destination pixel format: %d\n",fmt);

    382. 

  382.     }

    383. 

  383. 

    384. 

  384. }

    385. 

  385. 

    386. 

  386. /*

    387. 

  387. *******************************************************************************

    388. 

  388. * Main Converters

    389. 

  389. *******************************************************************************

    390. 

  390. */

    391. 

  391. 

    392. 

  392. unsigned int convertFromRGBA(PxFmt dFmt, float rval, float gval, float bval, float aval)

    393. 

  393. {

    394. 

  394.     PxRGBAData s;

    395. 

  395.     //gAssert((0.0<=rval)&&(rval<=1.0));

    396. 

  396.     s.c[R] = (unsigned char)(rval*255.0f);

    397. 

  397.     s.c[G] = (unsigned char)(gval*255.0f);

    398. 

  398.     s.c[B] = (unsigned char)(bval*255.0f);

    399. 

  399.     s.c[A] = (unsigned char)(aval*255.0f);

    400. 

  400.     return convertFromRGBA(dFmt, s);

    401. 

  401. 

    402. 

  402. }

    403. 

  403. 

    404. 

  404. unsigned int convertFromRGBA(PxFmt dFmt, unsigned char rval, unsigned char gval, unsigned char bval, unsigned char aval)

    405. 

  405. {

    406. 

  406.     PxRGBAData s;

    407. 

  407.     s.c[R] = rval;

    408. 

  408.     s.c[G] = gval;

    409. 

  409.     s.c[B] = bval;

    410. 

  410.     s.c[A] = aval;

    411. 

  411.     return convertFromRGBA(dFmt, s);

    412. 

  412. }

    413. 

  413. 

    414. 

  414. unsigned int convertFromRGBA(PxFmt dFmt, PxRGBAData s)

    415. 

  415. {

    416. 

  416.     switch(dFmt)

    417. 

  417.     {

    418. 

  418.     case E_ARGB8:   return convertFromRGBAData<PxARGB8>(s);

    419. 

  419.     case E_ARGB0888:   return convertFromRGBAData<PxARGB0888>(s);

    420. 

  420.     case E_RGB8:    return convertFromRGBAData<PxRGB8>(s);

    421. 

  421.     case E_ARGB4:   return convertFromRGBAData<PxARGB4>(s);

    422. 

  422.     case E_RGB565:  return convertFromRGBAData<PxRGB565>(s);

    423. 

  423.     case E_RGB5:    return convertFromRGBAData<PxRGB5>(s);

    424. 

  424.     case E_ARGB1555:    return convertFromRGBAData<PxARGB1555>(s);

    425. 

  425. 

    426. 

  426.   //added for new format

    427. 

  427.   case E_ABGR8:   return convertFromRGBAData<PxABGR8>(s);

    428. 

  428.     case E_BGR8:    return convertFromRGBAData<PxBGR8>(s);

    429. 

  429.     case E_RGBA4:   return convertFromRGBAData<PxRGBA4>(s);

    430. 

  430.     case E_RGBA5551:  return convertFromRGBAData<PxRGBA5551>(s);

    431. 

  431. 

    432. 

  432. //  default:

    433. 

  433.         LOGMSG("ERROR: unknown/unsupported destination pixel format: %d\n",dFmt);

    434. 

  434.     }

    435. 

  435. 

    436. 

  436.     return 0;

    437. 

  437. }

    438. 

  438. 

    439. 

  439. template<typename D, typename S>

    440. 

  440. inline void

    441. 

  441. convertPixelsCore(void* dstPixels, GLsizei dstWidth, GLsizei dstHeight, GLsizei dstDepth,

    442. 

  442.       GLuint dstX, GLuint dstY, GLuint dstZ,

    443. 

  443.       const void* srcPixels, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth,

    444. 

  444.       GLuint srcX, GLuint srcY, GLuint srcZ,

    445. 

  445.       GLsizei cpyWidth, GLsizei cpyHeight, GLsizei cpyDepth , GLint dstPad, GLint srcPad, GLint dir)

    446. 

  446. {

    447. 

  447. 

    448. 

  448.   GLubyte *src = NULL, *dst = NULL;

    449. 

  449.   typename S::PixType srcTmp ;

    450. 

  450.   typename D::PixType dstTmp = 0;

    451. 

  451.   //GLuint pixelSize = 0;

    452. 

  452.   int i = 0, j = 0, k = 0;

    453. 

  453. 

    454. 

  454.   // Special consideration for 2D where 0 depth is passed

    455. 

  455.   if(cpyDepth == 0) {

    456. 

  456.     cpyDepth = 1;

    457. 

  457.   }

    458. 

  458. 

    459. 

  459.   GLuint dstPixSize ,srcPixSize;

    460. 

  460.   srcPixSize = S::numBytes;

    461. 

  461.   dstPixSize = D::numBytes;

    462. 

  462. 

    463. 

  463.   //src = ((GLubyte*)srcPixels) + srcZ * srcWidth * srcHeight * srcPixSize + srcY * srcWidth * srcPixSize + srcX * srcPixSize;

    464. 

  464.   src = ((GLubyte*)srcPixels) + srcZ * srcWidth * srcHeight * srcPixSize + ( ( (1-dir)>>1)*(srcHeight-1) + (dir*srcY) ) * srcWidth * srcPixSize + srcX * srcPixSize;

    465. 

  465.   dst = ((GLubyte*)dstPixels) + dstZ * dstWidth * dstHeight * dstPixSize + dstY * dstWidth * dstPixSize + dstX * dstPixSize;

    466. 

  466. 

    467. 

  467. 

    468. 

  468.   PxRGBAData dTmp;

    469. 

  469.   for(k = 0; k < cpyDepth; k++) {

    470. 

  470.     for(j = 0; j < cpyHeight; j++) {

    471. 

  471.       for(i = 0; i < cpyWidth; i++){

    472. 

  472.         //typename S::PixType& srcTmp  = *( (typename S::PixType*)src );

    473. 

  473.         //typename D::PixType& dstTmp  = *( (typename D::PixType*)dst );

    474. 

  474.         //srcTmp = 0;

    475. 

  475.         dstTmp = 0;

    476. 

  476.         Plat::memcpy( &srcTmp,src,srcPixSize);

    477. 

  477.         //dstTmp  = (typename D::PixType*)dst;

    478. 

  478. 

    479. 

  479.         popBits<S, S::X, S::Bx>(srcTmp, dTmp);

    480. 

  480.         popBits<S, S::Y, S::By>(srcTmp, dTmp);

    481. 

  481.         popBits<S, S::Z, S::Bz>(srcTmp, dTmp);

    482. 

  482.         popBits<S, S::W, S::Bw>(srcTmp, dTmp);

    483. 

  483. 

    484. 

  484.         pushBits<D, D::W, D::Bw>(dstTmp, dTmp);

    485. 

  485.         pushBits<D, D::Z, D::Bz>(dstTmp, dTmp);

    486. 

  486.         pushBits<D, D::Y, D::By>(dstTmp, dTmp);

    487. 

  487.         pushBits<D, D::X, D::Bx>(dstTmp, dTmp);

    488. 

  488. 

    489. 

  489.         Plat::memcpy( dst,&dstTmp,dstPixSize);

    490. 

  490. 

    491. 

  491.         dst += dstPixSize;

    492. 

  492.         src += srcPixSize;

    493. 

  493. 

    494. 

  494.       }

    495. 

  495. 

    496. 

  496.       src =src + dir * ( ( srcWidth - (dir*cpyWidth) ) * srcPixSize + srcPad );

    497. 

  497.       dst += (dstWidth - cpyWidth) * dstPixSize + dstPad;

    498. 

  498.     }

    499. 

  499. 

    500. 

  500.     src += ((srcHeight - cpyHeight) * (srcWidth + srcPad) ) * srcPixSize;

    501. 

  501.     dst += ((dstHeight - cpyHeight) * (dstWidth + dstPad) ) * dstPixSize;

    502. 

  502.   }

    503. 

  503. }

    504. 

  504. 

    505. 

  505. template<typename S>

    506. 

  506. inline void

    507. 

  507. convertPixelsFrom(  PxFmt dstFmt, void* dstPixels, GLsizei dstWidth, GLsizei dstHeight, GLsizei dstDepth,

    508. 

  508.             GLuint dstX, GLuint dstY, GLuint dstZ,

    509. 

  509.           const void* srcPixels, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth,

    510. 

  510.           GLuint srcX, GLuint srcY, GLuint srcZ,

    511. 

  511.           GLsizei cpyWidth, GLsizei cpyHeight, GLsizei cpyDepth , GLint dstPad, GLint srcPad, GLint dir)

    512. 

  512. {

    513. 

  513.   switch(dstFmt)

    514. 

  514.   {

    515. 

  515.     case E_ARGB8:

    516. 

  516.       convertPixelsCore<PxARGB8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    517. 

  517.                     dstX, dstY, dstZ,

    518. 

  518.                     srcPixels,srcWidth,srcHeight,srcDepth,

    519. 

  519.                     srcX, srcY, srcZ,

    520. 

  520.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    521. 

  521.       break;

    522. 

  522.     case E_ARGB0888:

    523. 

  523.       convertPixelsCore<PxARGB0888,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    524. 

  524.                     dstX, dstY, dstZ,

    525. 

  525.                     srcPixels,srcWidth,srcHeight,srcDepth,

    526. 

  526.                     srcX, srcY, srcZ,

    527. 

  527.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    528. 

  528.       break;

    529. 

  529.     case E_RGB8:

    530. 

  530.       convertPixelsCore<PxRGB8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    531. 

  531.                     dstX, dstY, dstZ,

    532. 

  532.                     srcPixels,srcWidth,srcHeight,srcDepth,

    533. 

  533.                     srcX, srcY, srcZ,

    534. 

  534.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    535. 

  535.       break;

    536. 

  536.       case E_ARGB4:

    537. 

  537.       convertPixelsCore<PxARGB4,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    538. 

  538.                     dstX, dstY, dstZ,

    539. 

  539.                     srcPixels,srcWidth,srcHeight,srcDepth,

    540. 

  540.                     srcX, srcY, srcZ,

    541. 

  541.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    542. 

  542.       break;

    543. 

  543.       case E_RGB565:

    544. 

  544.       convertPixelsCore<PxRGB565,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    545. 

  545.                     dstX, dstY, dstZ,

    546. 

  546.                     srcPixels,srcWidth,srcHeight,srcDepth,

    547. 

  547.                     srcX, srcY, srcZ,

    548. 

  548.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    549. 

  549.       break;

    550. 

  550. 

    551. 

  551.     case E_RGB5:

    552. 

  552.       convertPixelsCore<PxRGB5,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    553. 

  553.                     dstX, dstY, dstZ,

    554. 

  554.                     srcPixels,srcWidth,srcHeight,srcDepth,

    555. 

  555.                     srcX, srcY, srcZ,

    556. 

  556.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    557. 

  557.       break;

    558. 

  558. 

    559. 

  559.     case E_ARGB1555:

    560. 

  560.       convertPixelsCore<PxARGB1555,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    561. 

  561.                     dstX, dstY, dstZ,

    562. 

  562.                     srcPixels,srcWidth,srcHeight,srcDepth,

    563. 

  563.                     srcX, srcY, srcZ,

    564. 

  564.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    565. 

  565.       break;

    566. 

  566.     case E_LUMINANCE8:

    567. 

  567.       convertPixelsCore<PxLUMINANCE8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    568. 

  568.                     dstX, dstY, dstZ,

    569. 

  569.                     srcPixels,srcWidth,srcHeight,srcDepth,

    570. 

  570.                     srcX, srcY, srcZ,

    571. 

  571.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    572. 

  572.       break;

    573. 

  573.     case E_LUMINANCE_ALPHA88:

    574. 

  574.       convertPixelsCore<PxLUMINANCE_ALPHA88,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    575. 

  575.                     dstX, dstY, dstZ,

    576. 

  576.                     srcPixels,srcWidth,srcHeight,srcDepth,

    577. 

  577.                     srcX, srcY, srcZ,

    578. 

  578.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    579. 

  579.       break;

    580. 

  580.     case E_LUMINANCE_ALPHA80:

    581. 

  581.       convertPixelsCore<PxLUMINANCE_ALPHA80,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    582. 

  582.                     dstX, dstY, dstZ,

    583. 

  583.                     srcPixels,srcWidth,srcHeight,srcDepth,

    584. 

  584.                     srcX, srcY, srcZ,

    585. 

  585.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    586. 

  586.       break;

    587. 

  587.     case E_LUMINANCE_ALPHA08:

    588. 

  588.       convertPixelsCore<PxLUMINANCE_ALPHA08,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    589. 

  589.                     dstX, dstY, dstZ,

    590. 

  590.                     srcPixels,srcWidth,srcHeight,srcDepth,

    591. 

  591.                     srcX, srcY, srcZ,

    592. 

  592.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    593. 

  593.       break;

    594. 

  594.     // added shariq

    595. 

  595.     case E_ABGR8:

    596. 

  596.       convertPixelsCore<PxABGR8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    597. 

  597.                     dstX, dstY, dstZ,

    598. 

  598.                     srcPixels,srcWidth,srcHeight,srcDepth,

    599. 

  599.                     srcX, srcY, srcZ,

    600. 

  600.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    601. 

  601.       break;

    602. 

  602. 

    603. 

  603.       case E_BGR8:

    604. 

  604.       convertPixelsCore<PxBGR8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    605. 

  605.                     dstX, dstY, dstZ,

    606. 

  606.                     srcPixels,srcWidth,srcHeight,srcDepth,

    607. 

  607.                     srcX, srcY, srcZ,

    608. 

  608.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    609. 

  609.       break;

    610. 

  610. 

    611. 

  611. 

    612. 

  612.     case E_RGBA4:

    613. 

  613.       convertPixelsCore<PxRGBA4,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    614. 

  614.                     dstX, dstY, dstZ,

    615. 

  615.                     srcPixels,srcWidth,srcHeight,srcDepth,

    616. 

  616.                     srcX, srcY, srcZ,

    617. 

  617.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    618. 

  618.       break;

    619. 

  619. 

    620. 

  620.     case E_RGBA5551:

    621. 

  621.       convertPixelsCore<PxRGBA5551,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    622. 

  622.                     dstX, dstY, dstZ,

    623. 

  623.                     srcPixels,srcWidth,srcHeight,srcDepth,

    624. 

  624.                     srcX, srcY, srcZ,

    625. 

  625.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    626. 

  626.       break;

    627. 

  627.     case E_ALPHA_LUMINANCE88:

    628. 

  628.       convertPixelsCore<PxALPHA_LIMUNANCE88,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    629. 

  629.                     dstX, dstY, dstZ,

    630. 

  630.                     srcPixels,srcWidth,srcHeight,srcDepth,

    631. 

  631.                     srcX, srcY, srcZ,

    632. 

  632.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    633. 

  633.       break;

    634. 

  634. 

    635. 

  635.     case E_ALPHA8:

    636. 

  636.       convertPixelsCore<PxALPHA8,S>(dstPixels,dstWidth,dstHeight,dstDepth,

    637. 

  637.                     dstX, dstY, dstZ,

    638. 

  638.                     srcPixels,srcWidth,srcHeight,srcDepth,

    639. 

  639.                     srcX, srcY, srcZ,

    640. 

  640.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad, dir);

    641. 

  641.       break;

    642. 

  642. //    default:

    643. 

  643.       LOGMSG("ERROR: unknown/unsupported destination pixel format: %d\n",dstFmt);

    644. 

  644. 

    645. 

  645.   }

    646. 

  646. 

    647. 

  647. }

    648. 

  648. 

    649. 

  649. extern GLuint GetPixSize(GLenum TextureFormat);

    650. 

  650. 

    651. 

  651. static void convertPixels_BGR2ARGB(void* dst, const void* src, GLsizei width, GLsizei height)

    652. 

  652. {

    653. 

  653.   GLsizei i;

    654. 

  654.   unsigned char* pS = (unsigned char*) src;

    655. 

  655.   unsigned int*  pD = (unsigned int*)  dst;

    656. 

  656. 

    657. 

  657.   for( i=0 ; i<height*width ; i++ )

    658. 

  658.   {

    659. 

  659.     *pD = 0xff000000 | (*(pS))<<16 | (*(pS+1))<<8 | (*(pS+2)) ;

    660. 

  660.     pD++;

    661. 

  661.     pS+=3;

    662. 

  662.   }

    663. 

  663. }

    664. 

  664. 

    665. 

  665. static void convertPixels_ABGR2ARGB(void* dst, const void* src, GLsizei width, GLsizei height)

    666. 

  666. {

    667. 

  667.   GLsizei i;

    668. 

  668.   unsigned char* pS = (unsigned char*) src;

    669. 

  669.   unsigned int*  pD = (unsigned int*)  dst;

    670. 

  670. 

    671. 

  671.   for( i=0 ; i<height*width ; i++ )

    672. 

  672.   {

    673. 

  673.     *pD = (*(pS+3))<<24 | (*(pS))<<16 | (*(pS+1))<<8 | (*(pS+2)) ;

    674. 

  674.     pD++;

    675. 

  675.     pS+=4;

    676. 

  676.   }

    677. 

  677. }

    678. 

  678. 

    679. 

  679. static void convertPixelsSubTexture_BGR2ARGB(void* dstPixels, const void* srcPixels, GLuint uiXOffset, GLuint uiYOffset, GLsizei SrcWidth, GLsizei SrcHeight, GLsizei DstWidth, GLsizei DstHeight)

    680. 

  680. 

    681. 

  681. {

    682. 

  682.   GLuint i, j;

    683. 

  683. 

    684. 

  684.   GLint * pDst = (GLint *)dstPixels;

    685. 

  685.   GLubyte * pSrc = (GLubyte *)srcPixels;

    686. 

  686.   pDst += DstWidth*uiYOffset + uiXOffset;

    687. 

  687. 

    688. 

  688.   for(i = 0; i < SrcHeight; i++)

    689. 

  689.   {

    690. 

  690.     for(j = 0; j < SrcWidth; j++)

    691. 

  691.     {

    692. 

  692.       *pDst = 0xff000000 | (*(pSrc))<<16 | (*(pSrc+1))<<8 | (*(pSrc+2)) ;

    693. 

  693. 

    694. 

  694.       pDst++;

    695. 

  695.       pSrc += 3;

    696. 

  696.     }

    697. 

  697. 

    698. 

  698.     pDst += DstWidth - SrcWidth;

    699. 

  699.   }

    700. 

  700. }

    701. 

  701. 

    702. 

  702. static void convertPixelsSubTexture_ABGR2ARGB(void* dstPixels, const void* srcPixels, GLuint uiXOffset, GLuint uiYOffset, GLsizei SrcWidth, GLsizei SrcHeight, GLsizei DstWidth, GLsizei DstHeight)

    703. 

  703. {

    704. 

  704.   GLuint i, j;

    705. 

  705. 

    706. 

  706.   GLint * pDst = (GLint *)dstPixels;

    707. 

  707.   GLubyte * pSrc = (GLubyte *)srcPixels;

    708. 

  708.   pDst += DstWidth*uiYOffset + uiXOffset;

    709. 

  709. 

    710. 

  710.   for(i = 0; i < SrcHeight; i++)

    711. 

  711.   {

    712. 

  712.     for(j = 0; j < SrcWidth; j++)

    713. 

  713.     {

    714. 

  714.       *pDst = (*(pSrc+3))<<24 | (*(pSrc))<<16 | (*(pSrc+1))<<8 | (*(pSrc+2)) ;

    715. 

  715. 

    716. 

  716.       pDst++;

    717. 

  717.       pSrc += 4;

    718. 

  718.     }

    719. 

  719. 

    720. 

  720.     pDst += DstWidth - SrcWidth;

    721. 

  721.   }

    722. 

  722. }

    723. 

  723. 

    724. 

  724. 

    725. 

  725. void convertPixelsTexure( PxFmt dstFmt, void* dstPixels, GLsizei width, GLsizei height,

    726. 

  726.           PxFmt srcFmt,const void* srcPixels)

    727. 

  727. {

    728. 

  728.   if( dstFmt==srcFmt )

    729. 

  729.   {

    730. 

  730.     Plat::memcpy(dstPixels,srcPixels,width*height * GetPixSize(dstFmt) ); // imbumoh 20090105

    731. 

  731.   }

    732. 

  732.   else if( dstFmt==E_ARGB8 && (srcFmt==E_BGR8 || srcFmt==E_ABGR8 ) )

    733. 

  733.   {

    734. 

  734.     if( srcFmt==E_BGR8 )

    735. 

  735.       convertPixels_BGR2ARGB(dstPixels,srcPixels,width,height);

    736. 

  736.     else

    737. 

  737.       //_gl_asm_convertPixels_ABGR2ARGB(dstPixels,srcPixels,width*height);

    738. 

  738.       convertPixels_ABGR2ARGB(dstPixels,srcPixels,width,height);

    739. 

  739.   }

    740. 

  740.   else

    741. 

  741.   {

    742. 

  742.     convertPixels(dstFmt, dstPixels, width, height, 0,0,0,0,

    743. 

  743.       srcFmt, srcPixels, width, height, 0,0,0,0, width, height, 0,0,0,0);

    744. 

  744.   }

    745. 

  745. }

    746. 

  746. 

    747. 

  747. void convertPixels( PxFmt dstFmt, void* dstPixels, GLsizei dstWidth, GLsizei dstHeight, GLsizei dstDepth,

    748. 

  748.             GLuint dstX, GLuint dstY, GLuint dstZ,

    749. 

  749.           PxFmt srcFmt,const void* srcPixels, GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth,

    750. 

  750.           GLuint srcX, GLuint srcY, GLuint srcZ,

    751. 

  751.           GLsizei cpyWidth, GLsizei cpyHeight, GLsizei cpyDepth , GLint dstPad, GLint srcPad,GLint dir)

    752. 

  752. {

    753. 

  753.   switch(srcFmt)

    754. 

  754.   {

    755. 

  755.     case E_ARGB8:

    756. 

  756.       convertPixelsFrom<PxARGB8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    757. 

  757.                     dstX, dstY, dstZ,

    758. 

  758.                     srcPixels,srcWidth,srcHeight,srcDepth,

    759. 

  759.                     srcX, srcY, srcZ,

    760. 

  760.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    761. 

  761.       break;

    762. 

  762.     case E_ARGB0888:

    763. 

  763.       convertPixelsFrom<PxARGB0888>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    764. 

  764.                     dstX, dstY, dstZ,

    765. 

  765.                     srcPixels,srcWidth,srcHeight,srcDepth,

    766. 

  766.                     srcX, srcY, srcZ,

    767. 

  767.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    768. 

  768.       break;

    769. 

  769.     case E_RGB8:

    770. 

  770.       convertPixelsFrom<PxRGB8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    771. 

  771.                     dstX, dstY, dstZ,

    772. 

  772.                     srcPixels,srcWidth,srcHeight,srcDepth,

    773. 

  773.                     srcX, srcY, srcZ,

    774. 

  774.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    775. 

  775.       break;

    776. 

  776.       case E_ARGB4:

    777. 

  777.       convertPixelsFrom<PxARGB4>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    778. 

  778.                     dstX, dstY, dstZ,

    779. 

  779.                     srcPixels,srcWidth,srcHeight,srcDepth,

    780. 

  780.                     srcX, srcY, srcZ,

    781. 

  781.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    782. 

  782.       break;

    783. 

  783.       case E_RGB565:

    784. 

  784.       convertPixelsFrom<PxRGB565>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    785. 

  785.                     dstX, dstY, dstZ,

    786. 

  786.                     srcPixels,srcWidth,srcHeight,srcDepth,

    787. 

  787.                     srcX, srcY, srcZ,

    788. 

  788.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    789. 

  789.       break;

    790. 

  790. 

    791. 

  791.     case E_RGB5:

    792. 

  792.       convertPixelsFrom<PxRGB5>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    793. 

  793.                     dstX, dstY, dstZ,

    794. 

  794.                     srcPixels,srcWidth,srcHeight,srcDepth,

    795. 

  795.                     srcX, srcY, srcZ,

    796. 

  796.                     cpyWidth,cpyHeight,cpyDepth , dstPad,  srcPad,dir);

    797. 

  797.       break;

    798. 

  798. 

    799. 

  799.     case E_ARGB1555:

    800. 

  800.       convertPixelsFrom<PxARGB1555>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    801. 

  801.                     dstX, dstY, dstZ,

    802. 

  802.                     srcPixels,srcWidth,srcHeight,srcDepth,

    803. 

  803.                     srcX, srcY, srcZ,

    804. 

  804.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    805. 

  805.       break;

    806. 

  806. 

    807. 

  807.     case E_LUMINANCE8:

    808. 

  808.       convertPixelsFrom<PxLUMINANCE8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    809. 

  809.                     dstX, dstY, dstZ,

    810. 

  810.                     srcPixels,srcWidth,srcHeight,srcDepth,

    811. 

  811.                     srcX, srcY, srcZ,

    812. 

  812.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    813. 

  813.       break;

    814. 

  814.     case E_LUMINANCE_ALPHA88:

    815. 

  815.       convertPixelsFrom<PxLUMINANCE_ALPHA88>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    816. 

  816.                     dstX, dstY, dstZ,

    817. 

  817.                     srcPixels,srcWidth,srcHeight,srcDepth,

    818. 

  818.                     srcX, srcY, srcZ,

    819. 

  819.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    820. 

  820.       break;

    821. 

  821.     case E_LUMINANCE_ALPHA80:

    822. 

  822.       convertPixelsFrom<PxLUMINANCE_ALPHA80>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    823. 

  823.                     dstX, dstY, dstZ,

    824. 

  824.                     srcPixels,srcWidth,srcHeight,srcDepth,

    825. 

  825.                     srcX, srcY, srcZ,

    826. 

  826.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    827. 

  827.       break;

    828. 

  828.     case E_LUMINANCE_ALPHA08:

    829. 

  829.       convertPixelsFrom<PxLUMINANCE_ALPHA08>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    830. 

  830.                     dstX, dstY, dstZ,

    831. 

  831.                     srcPixels,srcWidth,srcHeight,srcDepth,

    832. 

  832.                     srcX, srcY, srcZ,

    833. 

  833.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    834. 

  834.       break;

    835. 

  835. 

    836. 

  836.     // added shariq

    837. 

  837.     case E_ABGR8:

    838. 

  838.       convertPixelsFrom<PxABGR8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    839. 

  839.                     dstX, dstY, dstZ,

    840. 

  840.                     srcPixels,srcWidth,srcHeight,srcDepth,

    841. 

  841.                     srcX, srcY, srcZ,

    842. 

  842.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    843. 

  843.       break;

    844. 

  844. 

    845. 

  845.     case E_BGR8:

    846. 

  846.       convertPixelsFrom<PxBGR8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    847. 

  847.                     dstX, dstY, dstZ,

    848. 

  848.                     srcPixels,srcWidth,srcHeight,srcDepth,

    849. 

  849.                     srcX, srcY, srcZ,

    850. 

  850.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    851. 

  851.       break;

    852. 

  852. 

    853. 

  853.     case E_RGBA4:

    854. 

  854.       convertPixelsFrom<PxRGBA4>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    855. 

  855.                     dstX, dstY, dstZ,

    856. 

  856.                     srcPixels,srcWidth,srcHeight,srcDepth,

    857. 

  857.                     srcX, srcY, srcZ,

    858. 

  858.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    859. 

  859.       break;

    860. 

  860. 

    861. 

  861.     case E_RGBA5551:

    862. 

  862.       convertPixelsFrom<PxRGBA5551>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    863. 

  863.                     dstX, dstY, dstZ,

    864. 

  864.                     srcPixels,srcWidth,srcHeight,srcDepth,

    865. 

  865.                     srcX, srcY, srcZ,

    866. 

  866.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    867. 

  867.       break;

    868. 

  868.     case E_ALPHA_LUMINANCE88:

    869. 

  869.       convertPixelsFrom<PxALPHA_LIMUNANCE88>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    870. 

  870.                     dstX, dstY, dstZ,

    871. 

  871.                     srcPixels,srcWidth,srcHeight,srcDepth,

    872. 

  872.                     srcX, srcY, srcZ,

    873. 

  873.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    874. 

  874.       break;

    875. 

  875. 

    876. 

  876.     case E_ALPHA8:

    877. 

  877.       convertPixelsFrom<PxALPHA8>(dstFmt,dstPixels,dstWidth,dstHeight,dstDepth,

    878. 

  878.                     dstX, dstY, dstZ,

    879. 

  879.                     srcPixels,srcWidth,srcHeight,srcDepth,

    880. 

  880.                     srcX, srcY, srcZ,

    881. 

  881.                     cpyWidth,cpyHeight,cpyDepth , dstPad, srcPad,dir);

    882. 

  882.       break;

    883. 

  883.     //default:

    884. 

  884.       LOGMSG("ERROR: unknown/unsupported source pixel format: %d\n",srcFmt);

    885. 

  885. 

    886. 

  886.   }

    887. 

  887. }

    888. 

  888. 

    889. 

  889. void convertPixelsSubTexture( PxFmt dstFmt, void* dstPixels, GLsizei DstWidth, GLsizei DstHeight,GLuint uiXOffset, GLuint uiYOffset,  PxFmt srcFmt,const void* srcPixels, GLsizei SrcWidth, GLsizei SrcHeight)

    890. 

  890. {

    891. 

  891.   GLuint i;

    892. 

  892.   GLuint uiDstPixSize = pixelSize(dstFmt);

    893. 

  893.   GLuint uiSrcPixSize = pixelSize(srcFmt);

    894. 

  894. 

    895. 

  895.   GLuint uiDstStride = DstWidth*uiDstPixSize;

    896. 

  896.   GLuint uiSrcStride = SrcWidth*uiSrcPixSize;

    897. 

  897. 

    898. 

  898.   GLubyte * pDst = (GLubyte *)dstPixels;

    899. 

  899.   GLubyte * pSrc = (GLubyte *)srcPixels;

    900. 

  900.   pDst += DstWidth*uiYOffset*uiDstPixSize + uiXOffset*uiDstPixSize;

    901. 

  901. 

    902. 

  902. //  //LOGE("convertPixelsSubTexture");

    903. 

  903.   //LOGE("=====DstFmt = %d, SrcFmt = %d ====", dstFmt, srcFmt);

    904. 

  904.   //LOGE("=====DstHeight = %d, SrcHeight = %d ====", DstHeight, SrcHeight);

    905. 

  905.   //LOGE("=====DstWidth = %d, SrcWidth = %d ====", DstWidth, SrcWidth);

    906. 

  906. 

    907. 

  907.   //LOGE("=====pDst = 0x%x, pSrc = 0x%x===", pDst, pSrc);

    908. 

  908.   //LOGE("=====uiDstStride = 0x%x, uiSrcStride = 0x%x===", uiDstStride, uiSrcStride);

    909. 

  909.   if( dstFmt==srcFmt )

    910. 

  910.   {

    911. 

  911.     for(i = 0; i < SrcHeight; i++)

    912. 

  912.     {

    913. 

  913.       Plat::memcpy(pDst, pSrc, uiSrcStride); // Park Jae Sung 20090202

    914. 

  914.       pDst += uiDstStride;

    915. 

  915.       pSrc += uiSrcStride;

    916. 

  916.     }

    917. 

  917.   }

    918. 

  918.   else if( dstFmt==E_ARGB8 && (srcFmt==E_BGR8 || srcFmt==E_ABGR8 ) )

    919. 

  919.   {

    920. 

  920.     if( srcFmt==E_BGR8 )

    921. 

  921.       convertPixelsSubTexture_BGR2ARGB(dstPixels,srcPixels,uiXOffset,uiYOffset,SrcWidth,SrcHeight, DstWidth, DstHeight);

    922. 

  922.     else

    923. 

  923.       convertPixelsSubTexture_ABGR2ARGB(dstPixels,srcPixels,uiXOffset,uiYOffset,SrcWidth,SrcHeight, DstWidth, DstHeight);

    924. 

  924.   }

    925. 

  925.   else

    926. 

  926.   {

    927. 

  927.     convertPixels(dstFmt, dstPixels, DstWidth, DstHeight, 0,uiXOffset,uiYOffset,0, srcFmt, srcPixels, SrcWidth, SrcHeight, 0,0,0,0, SrcWidth, SrcHeight, 0,0,0,0);

    928. 

  928.   }

    929. 

  929. 

    930. 

  930. }

    931. 

  931. 

    932. 

  932. unsigned int convertFromDepthStencil(PxFmt dFmt, float depth, int stencil)

    933. 

  933. {

    934. 

  934. 

    935. 

  935.     switch(dFmt)

    936. 

  936.     {

    937. 

  937.     case E_Stencil8:

    938. 

  938.         return (stencil&((1<<8)-1))<<24;

    939. 

  939.     case E_Depth24:

    940. 

  940.         return (unsigned int)(depth*(0xFFFFFF));

    941. 

  941.     case E_Stencil8Depth24:

    942. 

  942.         return ((stencil&((1<<8)-1))<<24)|(unsigned int)(depth*(0xFFFFFF));

    943. 

  943. //    default:

    944. 

  944.         LOGMSG("ERROR: unknown destination pixel format: %d\n",dFmt);

    945. 

  945.     }

    946. 

  946. 

    947. 

  947.     return 0;

    948. 

  948. }

    949. 

  949. 

    950. 

  950. unsigned int getDepthStencilMask(PxFmt dFmt, bool depthMask, unsigned char stencilMask)

    951. 

  951. {

    952. 

  952.   //New mask computation causes unused components to be written to (faster for cpu clear)

    953. 

  953.     unsigned int mask = depthMask ? 0x00FFFFFF : 0;

    954. 

  954.     //mask |= stencilMask? 0xFF000000 : 0;

    955. 

  955.     mask |= ((unsigned int)(stencilMask) << 24);

    956. 

  956. 

    957. 

  957.     switch(dFmt)

    958. 

  958.     {

    959. 

  959.     case E_Stencil8:

    960. 

  960.         return (stencilMask<<24)|0xFFFFFF;

    961. 

  961.     case E_Depth24:

    962. 

  962.     return depthMask? 0xFFFFFFFF : 0x0;

    963. 

  963.     case E_Stencil8Depth24:

    964. 

  964.         return mask & 0xFFFFFFFF;

    965. 

  965. //    default:

    966. 

  966.         LOGMSG("ERROR: unknown destination pixel format: %d\n",dFmt);

    967. 

  967.     }

    968. 

  968. 

    969. 

  969.     return 0;

    970. 

  970. }

    971. 

  971. 

    972. 

  972. unsigned int getColorMask(PxFmt dFmt, bool redMask, bool greenMask, bool blueMask, bool alphaMask)

    973. 

  973. {

    974. 

  974.         return convertFromRGBA(dFmt, (unsigned char)(redMask ? 0xFF : 0), (unsigned char)(greenMask ? 0xFF : 0), (unsigned char)(blueMask ? 0xFF : 0), (unsigned char)(alphaMask ? 0xFF : 0));

    975. 

  975. }

    976. 

  976. 

    977. 

  977. unsigned int pixelSize(PxFmt fmt)

    978. 

  978. {

    979. 

  979.     switch(fmt)

    980. 

  980.     {

    981. 

  981. 

    982. 

  982.     case E_ARGB8:   return PxARGB8::numBytes;

    983. 

  983.     case E_ARGB0888:   return PxARGB8::numBytes;

    984. 

  984. 

    985. 

  985.     case E_RGB8:    return PxRGB8::numBytes;

    986. 

  986.     case E_ARGB4:   return PxARGB4::numBytes;

    987. 

  987.     case E_RGB565:  return PxRGB565::numBytes;

    988. 

  988.     case E_RGB5:    return PxRGB5::numBytes;

    989. 

  989.     case E_ARGB1555:  return PxARGB1555::numBytes;

    990. 

  990. 

    991. 

  991.     case E_LUMINANCE8 : return PxLUMINANCE8::numBytes;

    992. 

  992.     case E_LUMINANCE_ALPHA88 : return PxLUMINANCE_ALPHA88::numBytes;

    993. 

  993.     case E_LUMINANCE_ALPHA80 : return PxLUMINANCE_ALPHA80::numBytes;

    994. 

  994.     case E_LUMINANCE_ALPHA08 : return PxLUMINANCE_ALPHA08::numBytes;

    995. 

  995. 

    996. 

  996.     case E_Stencil8:        return 4;

    997. 

  997.     case E_Depth24:         return 4;

    998. 

  998.     case E_Stencil8Depth24: return 4;

    999. 

  999. 

    1000. 

  1000.    //added for new formats

    1001. 

  1001.    case E_ABGR8:   return PxABGR8::numBytes;

    1002. 

  1002.    case E_BGR8:    return PxBGR8::numBytes;

    1003. 

  1003.    case E_RGBA4:   return PxRGBA4::numBytes;

    1004. 

  1004.    case E_RGBA5551:  return PxRGBA5551::numBytes;

    1005. 

  1005.    case E_ALPHA_LUMINANCE88 : return PxALPHA_LIMUNANCE88::numBytes;

    1006. 

  1006.    case E_ALPHA8:return PxALPHA8::numBytes;

    1007. 

  1007.  

    1008. 

  1008.  //    default:

    1009. 

  1009.          LOGMSG("ERROR: unknown destination pixel format: %d\n",fmt);

    1010. 

  1010.      }

    1011. 

  1011.  

    1012. 

  1012.      return 0;

    1013. 

  1013.  }

    1014. 

  1014.  

    1015. 

  1015.  bool isValidPixelFmt(PxFmt fmt)

    1016. 

  1016.  {

    1017. 

  1017.      return (fmt < E_NUM_PIXEL_FMTS);

    1018. 

  1018.  }

    1019. 

  1019.  

    1020. 

  1020.  bool isValidFBColorPixelFmt(PxFmt fmt)

    1021. 

  1021.  {

    1022. 

  1022.      switch(fmt)

    1023. 

  1023.      {

    1024. 

  1024.      case E_ARGB8:

    1025. 

  1025.      case E_RGB8:

    1026. 

  1026.      case E_ARGB4:

    1027. 

  1027.      case E_RGB565:

    1028. 

  1028.      case E_RGB5:

    1029. 

  1029.      case E_ARGB1555:

    1030. 

  1030.      case E_LUMINANCE8 :

    1031. 

  1031.      case E_LUMINANCE_ALPHA88:

    1032. 

  1032.      case E_LUMINANCE_ALPHA80:

    1033. 

  1033.      case E_LUMINANCE_ALPHA08:

    1034. 

  1034.          //Intentional fall through

    1035. 

  1035.          return true;

    1036. 

  1036.  

    1037. 

  1037.      //these are compressed formats and input formats

    1038. 

  1038.      case E_RGBA4:

    1039. 

  1039.      case E_RGBA5551:

    1040. 

  1040.      case E_BGR8:

    1041. 

  1041.      case E_ABGR8:

    1042. 

  1042.      case E_ALPHA8:

    1043. 

  1043.    case E_ALPHA_LUMINANCE88:

    1044. 

  1044.    case E_PALETTE4_RGB8_OES:

    1045. 

  1045.    case E_PALETTE4_RGBA8_OES:

    1046. 

  1046.    case E_PALETTE4_R5_G6_B5_OES:

    1047. 

  1047.    case E_PALETTE4_RGBA4_OES:

    1048. 

  1048.    case E_PALETTE4_RGB5_A1_OES:

    1049. 

  1049.    case E_PALETTE8_RGB8_OES:

    1050. 

  1050.    case E_PALETTE8_RGBA8_OES:

    1051. 

  1051.    case E_PALETTE8_R5_G6_B5_OES:

    1052. 

  1052.    case E_PALETTE8_RGBA4_OES:

    1053. 

  1053.    case E_PALETTE8_RGB5_A1_OES:

    1054. 

  1054.    case E_RGB_S3TC_OES:

    1055. 

  1055.    case E_RGBA_S3TC_OES:

    1056. 

  1056.        return false;

    1057. 

  1057.  

    1058. 

  1058.      default:

    1059. 

  1059.          return false;

    1060. 

  1060.      }

    1061. 

  1061.  

    1062. 

  1062.      return false;

    1063. 

  1063.  }

    1064. 

  1064.  

    1065. 

  1065.  //TBD

    1066. 

  1066.  #if 0

    1067. 

  1067.  bool isValidTexPixelFmt(PxFmt fmt)

    1068. 

  1068.  {

    1069. 

  1069.  }

    1070. 

  1070.  #endif

    1071. 

  1071.  

    1072. 

  1072.  //for framebuffer data

    1073. 

  1073.  PxFmt translateGLSizedInternal(GLenum format)

    1074. 

  1074.  {

    1075. 

  1075.      switch(format)

    1076. 

  1076.      {

    1077. 

  1077.      case GL_RGBA8: return E_ARGB8;

    1078. 

  1078.      case GL_RGB8:  return E_RGB8;

    1079. 

  1079.      case GL_RGBA4:  return E_ARGB4;             //added by chanchal::GL_RGBA4 should be color renderable

    1080. 

  1080.      case GL_RGB565: return E_RGB565;

    1081. 

  1081.      //case GL_RGB5:  return E_RGB5;

    1082. 

  1082.      case GL_RGB5_A1: return E_ARGB1555;

    1083. 

  1083.    case GL_DEPTH_COMPONENT16:

    1084. 

  1084.    case GL_DEPTH_COMPONENT24:

    1085. 

  1085.      return E_Depth24;

    1086. 

  1086.    case GL_STENCIL_INDEX:    return E_Stencil8;

    1087. 

  1087.  

    1088. 

  1088.      }

    1089. 

  1089.      return E_INVALID_PIXEL_FORMAT;

    1090. 

  1090.  }

    1091. 

  1091.  

    1092. 

  1092.  // the basic format and type combinations

    1093. 

  1093.  PxFmt translateGLInternal(GLenum format, GLenum type)

    1094. 

  1094.  {

    1095. 

  1095.    GLenum temp = GL_RGBA;

    1096. 

  1096.      switch(type)

    1097. 

  1097.      {

    1098. 

  1098.      case GL_UNSIGNED_BYTE: temp = format; break;

    1099. 

  1099.      case GL_UNSIGNED_SHORT_4_4_4_4:  return E_ARGB4;

    1100. 

  1100.      case GL_UNSIGNED_SHORT_5_6_5: return E_RGB565;

    1101. 

  1101.      //case GL_RGB5:  return E_RGB5;

    1102. 

  1102.      case GL_UNSIGNED_SHORT_5_5_5_1: return E_ARGB1555;

    1103. 

  1103.  

    1104. 

  1104.    default:

    1105. 

  1105.      LOGMSG("ERROR: unknown destination pixel type: %d\n",type);

    1106. 

  1106.      return E_INVALID_PIXEL_FORMAT;

    1107. 

  1107.      }

    1108. 

  1108.  

    1109. 

  1109.    switch(temp)

    1110. 

  1110.    {

    1111. 

  1111.      case GL_RGB: return E_ARGB0888;

    1112. 

  1112.      case GL_RGBA: return E_ARGB8;

    1113. 

  1113.      //case GL_LUMINANCE: return E_LUMINANCE8;

    1114. 

  1114.      case GL_LUMINANCE: return E_LUMINANCE_ALPHA80; //since hardware seems to return luminance for alpha if E_LUMINANCE8 is used

    1115. 

  1115.      case GL_LUMINANCE_ALPHA: return E_LUMINANCE_ALPHA88; //to check

    1116. 

  1116.      case GL_ALPHA: return E_LUMINANCE_ALPHA08;  // previously E_ALPHA8

    1117. 

  1117.      default:

    1118. 

  1118.        LOGMSG("ERROR: unknown destination pixel type: %d\n",type);

    1119. 

  1119.      return E_INVALID_PIXEL_FORMAT;

    1120. 

  1120.    }

    1121. 

  1121.  

    1122. 

  1122.    return E_INVALID_PIXEL_FORMAT;

    1123. 

  1123.  

    1124. 

  1124.  }

    1125. 

  1125.  

    1126. 

  1126.  //case is the value returned by translateGLSizedInternal function

    1127. 

  1127.  //i.e. framebuffer format

    1128. 

  1128.  FGL_PixelFormat translateToFglPixelFormat(PxFmt fmt)

    1129. 

  1129.  {

    1130. 

  1130.    switch(fmt)

    1131. 

  1131.      {

    1132. 

  1132.      case E_RGB5: return FGL_PIXEL_RGB555;

    1133. 

  1133.      case E_RGB565: return FGL_PIXEL_RGB565;

    1134. 

  1134.      case E_ARGB4: return FGL_PIXEL_ARGB4444;

    1135. 

  1135.      case E_ARGB1555:    return FGL_PIXEL_ARGB1555;

    1136. 

  1136.      case E_ARGB0888:    return FGL_PIXEL_ARGB0888;

    1137. 

  1137.      case E_ARGB8:   return FGL_PIXEL_ARGB8888;

    1138. 

  1138.  

    1139. 

  1139.  

    1140. 

  1140.      //case E_LUMINANCE8:

    1141. 

  1141.      //case E_LUMINANCE_ALPHA88:

    1142. 

  1142.      //case E_Stencil8:

    1143. 

  1143.      //case E_Depth24:

    1144. 

  1144.      //case E_Stencil8Depth24:

    1145. 

  1145.  

    1146. 

  1146.    //compressed format and formats input formats

    1147. 

  1147.      case E_ALPHA_LUMINANCE88:

    1148. 

  1148.      case E_RGBA4:

    1149. 

  1149.      case E_RGBA5551:

    1150. 

  1150.      case E_BGR8:

    1151. 

  1151.      case E_ABGR8:

    1152. 

  1152.      case E_ALPHA8:

    1153. 

  1153.    case E_PALETTE4_RGB8_OES:

    1154. 

  1154.    case E_PALETTE4_RGBA8_OES:

    1155. 

  1155.    case E_PALETTE4_R5_G6_B5_OES:

    1156. 

  1156.    case E_PALETTE4_RGBA4_OES:

    1157. 

  1157.    case E_PALETTE4_RGB5_A1_OES:

    1158. 

  1158.    case E_PALETTE8_RGB8_OES:

    1159. 

  1159.    case E_PALETTE8_RGBA8_OES:

    1160. 

  1160.    case E_PALETTE8_R5_G6_B5_OES:

    1161. 

  1161.    case E_PALETTE8_RGBA4_OES:

    1162. 

  1162.    case E_PALETTE8_RGB5_A1_OES:

    1163. 

  1163.    case E_RGB_S3TC_OES :

    1164. 

  1164.    case E_RGBA_S3TC_OES:

    1165. 

  1165.       return FGL_PixelFormat(255);

    1166. 

  1166.  

    1167. 

  1167.      default:

    1168. 

  1168.          return FGL_PixelFormat(255);

    1169. 

  1169.  

    1170. 

  1170.      }

    1171. 

  1171.      return FGL_PixelFormat(255); //Invalid!

    1172. 

  1172.  }

    1173. 

  1173.  

    1174. 

  1174.  GLenum translateToGLenum(PxFmt fmt)

    1175. 

  1175.  {

    1176. 

  1176.  

    1177. 

  1177.    switch(fmt)

    1178. 

  1178.      {

    1179. 

  1179.        case E_ARGB8: return  GL_RGBA8;

    1180. 

  1180.        case E_ARGB0888: return GL_RGB;

    1181. 

  1181.        case E_RGB8:  return GL_RGB8;

    1182. 

  1182.  

    1183. 

  1183.        case E_RGB565: return GL_RGB565;

    1184. 

  1184.  

    1185. 

  1185.        case E_ARGB1555 : return GL_RGB5_A1;

    1186. 

  1186.      case E_Depth24 : return  GL_DEPTH_COMPONENT16;

    1187. 

  1187.      case E_Stencil8: return  GL_STENCIL_INDEX ;

    1188. 

  1188.      case E_ARGB4: return GL_RGBA4;

    1189. 

  1189.  

    1190. 

  1190.      //case GL_RGB5:  return E_RGB5;

    1191. 

  1191.      //case GL_RGB4:  return E_ARGB4;

    1192. 

  1192.  

    1193. 

  1193.          default:

    1194. 

  1194.              return 0;

    1195. 

  1195.      }

    1196. 

  1196.      return 0;

    1197. 

  1197.  }

    1198. 

  1198.  

    1199. 

  1199.  

    1200. 

  1200.  //added for determining the format and the type from the GL type of framebuffer

    1201. 

  1201.  GLenum determineTypeFormat(int format, int Isformat)

    1202. 

  1202.  {

    1203. 

  1203.    if(Isformat == GL_TRUE){

    1204. 

  1204.  

    1205. 

  1205.      switch(format)

    1206. 

  1206.        {

    1207. 

  1207.        case GL_RGBA8:

    1208. 

  1208.        case GL_RGB5_A1:

    1209. 

  1209.           return GL_RGBA;

    1210. 

  1210.        case GL_RGB8:

    1211. 

  1211.         case GL_RGB565:

    1212. 

  1212.           return GL_RGB;

    1213. 

  1213.        //case GL_ARGB4:

    1214. 

  1214.        //return GL_RGBA;

    1215. 

  1215.        default:

    1216. 

  1216.        LOGMSG("ERROR: unknown FRAMEBUFFER format: %d\n",format);

    1217. 

  1217.        return E_INVALID_PIXEL_FORMAT;

    1218. 

  1218.      }

    1219. 

  1219.    }else if(Isformat == GL_FALSE){

    1220. 

  1220.  

    1221. 

  1221.        switch(format)

    1222. 

  1222.           {

    1223. 

  1223.            //GL_RGBA is automatically supported by the glReadPixel;

    1224. 

  1224.            // so we have to support some other format, supporting GL_ARGB4

    1225. 

  1225.          case GL_RGBA8:

    1226. 

  1226.          case GL_RGB8:

    1227. 

  1227.             return GL_UNSIGNED_BYTE;

    1228. 

  1228.          case GL_RGB5_A1:

    1229. 

  1229.             return GL_UNSIGNED_SHORT_5_5_5_1;;

    1230. 

  1230.          case GL_RGB565:

    1231. 

  1231.             return GL_UNSIGNED_SHORT_5_6_5;

    1232. 

  1232.          case GL_RGBA4:                                              //added by chanchal

    1233. 

  1233.            return GL_UNSIGNED_SHORT_4_4_4_4;

    1234. 

  1234.          default:

    1235. 

  1235.          LOGMSG("ERROR: unknown FRAMEBUFFER format: %d\n",format);

    1236. 

  1236.          return E_INVALID_PIXEL_FORMAT;

    1237. 

  1237.        }

    1238. 

  1238.  

    1239. 

  1239.      }

    1240. 

  1240.    return E_INVALID_PIXEL_FORMAT;

    1241. 

  1241.  }

    1242. 

  1242.  

    1243. 

  1243.  

    1244. 

  1244.  int determinePixelBitSize(PxFmt format, colorType colortype)

    1245. 

  1245.  {

    1246. 

  1246.    switch(format)

    1247. 

  1247.      {

    1248. 

  1248.        //case GL_RGB4: return 4;

    1249. 

  1249.      case E_ARGB8:

    1250. 

  1250.        if((colortype == BLUE) || (colortype == GREEN) || (colortype == RED) || (colortype == ALPHA))return 8;

    1251. 

  1251.        else break;

    1252. 

  1252.      case E_ARGB0888:

    1253. 

  1253.        if((colortype == BLUE) || (colortype == GREEN) || (colortype == RED) )return 8;

    1254. 

  1254.        else if(colortype == ALPHA) return 0;

    1255. 

  1255.        else break;

    1256. 

  1256.      //case GL_RGB5:

    1257. 

  1257.    //if(colortype == ALPHA )return 0;

    1258. 

  1258.        //else return 5;

    1259. 

  1259.        case E_RGB565:

    1260. 

  1260.          if(colortype == ALPHA) return 0;

    1261. 

  1261.        else if(colortype == GREEN) return 6;

    1262. 

  1262.        else if((colortype == BLUE) || (colortype == RED))return 5;

    1263. 

  1263.        else break;       case E_ARGB1555:

    1264. 

  1264.        if(colortype == ALPHA )return 1;

    1265. 

  1265.        else if ((colortype == BLUE) || (colortype == GREEN) || (colortype == RED)) return 5;

    1266. 

  1266.        else break;

    1267. 

  1267.  

    1268. 

  1268.        case E_RGB8:

    1269. 

  1269.        if(colortype == ALPHA )return 0;

    1270. 

  1270.        else if ((colortype == BLUE) || (colortype == GREEN) || (colortype == RED)) return 8;

    1271. 

  1271.        else break;

    1272. 

  1272.  

    1273. 

  1273.      case E_Stencil8:

    1274. 

  1274.         if(colortype == STENCIL) return 8;

    1275. 

  1275.         else  if(colortype == DEPTH) return 0;

    1276. 

  1276.         else break;

    1277. 

  1277.  

    1278. 

  1278.      case E_Depth24:

    1279. 

  1279.        if(colortype == DEPTH) return 24;

    1280. 

  1280.        if(colortype == STENCIL)return 0;

    1281. 

  1281.        else break;

    1282. 

  1282.  

    1283. 

  1283.      case E_Stencil8Depth24:

    1284. 

  1284.        if(colortype == STENCIL) return 8;

    1285. 

  1285.        else if(colortype == DEPTH) return 24;

    1286. 

  1286.        else break;

    1287. 

  1287.  

    1288. 

  1288.      default:

    1289. 

  1289.        LOGMSG("ERROR: unknown FRAMEBUFFER format: %d\n",format);

    1290. 

  1290.          return 255;

    1291. 

  1291.    }

    1292. 

  1292.    LOGMSG("\n the format passed and the colortype does not matches ");

    1293. 

  1293.    return 0; //to check for this value

    1294. 

  1294.  }

    1295. 

  1295.  

    1296. 

  1296.  /*

    1297. 

  1297.  *******************************************************************************

    1298. 

  1298.  *                           TESTS

    1299. 

  1299.  *******************************************************************************

    1300. 

  1300.  */

    1301. 

  1301.  

    1302. 

  1302.  #if 0

    1303. 

  1303.  //Moved here since the rest of the code does not use this.

    1304. 

  1304.  static const char* fmtString []={

    1305. 

  1305.      "E_ARGB8",

    1306. 

  1306.      "E_RGB8",

    1307. 

  1307.      "E_ARGB4",

    1308. 

  1308.      "E_RGB565",

    1309. 

  1309.      "E_RGB5",

    1310. 

  1310.      "E_ARGB1555",

    1311. 

  1311.      "E_LUMINANCE8",

    1312. 

  1312.      "E_LUMINANCE_ALPHA88",

    1313. 

  1313.      "E_LUMINANCE_ALPHA80",

    1314. 

  1314.      "E_LUMINANCE_ALPHA08",

    1315. 

  1315.  

    1316. 

  1316.      "E_Stencil8",

    1317. 

  1317.      "E_Depth24",

    1318. 

  1318.      "E_Stencil8Depth24",

    1319. 

  1319.    //added shariq

    1320. 

  1320.    "E_ABGR8" ,

    1321. 

  1321.    "E_BGR8" ,

    1322. 

  1322.    "E_RGBA4",

    1323. 

  1323.    "E_RGBA5551 ",

    1324. 

  1324.    "E_ALPHA_LUMINANCE88",

    1325. 

  1325.  };

    1326. 

  1326.  

    1327. 

  1327.  

    1328. 

  1328.  template <typename D>

    1329. 

  1329.  void testConversion(PxRGBAData s)

    1330. 

  1330.  {

    1331. 

  1331.      typename D::PixType d = convertFromRGBAData<D>(s);

    1332. 

  1332.      LOGMSG("%s  \t",fmtString[D::Fmt]);

    1333. 

  1333.      D::print(d);

    1334. 

  1334.  }

    1335. 

  1335.  

    1336. 

  1336.  bool testPixConvert()

    1337. 

  1337.  {

    1338. 

  1338.      PxRGBAData s;

    1339. 

  1339.      s.val = 0xF0EFDFCF;

    1340. 

  1340.  

    1341. 

  1341.      testConversion<PxARGB8>(s);

    1342. 

  1342.      LOGMSG("\n\n");

    1343. 

  1343.      testConversion<PxRGB8>(s);

    1344. 

  1344.      LOGMSG("\n\n");

    1345. 

  1345.      testConversion<PxARGB4>(s);

    1346. 

  1346.      LOGMSG("\n\n");

    1347. 

  1347.      testConversion<PxRGB565>(s);

    1348. 

  1348.      LOGMSG("\n\n");

    1349. 

  1349.      testConversion<PxRGB5>(s);

    1350. 

  1350.      LOGMSG("\n\n");

    1351. 

  1351.      testConversion<PxARGB1555>(s);

    1352. 

  1352.  

    1353. 

  1353.      LOGMSG("\n\n");

    1354. 

  1354.      return 0;

    1355. 

  1355.  }

    1356. 

  1356.  

    1357. 

  1357.  #endif

    1358. 

  1358.