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/external/mesa3d/docs/versions.html

https://gitlab.com/brian0218/rk3066_r-box_android4.2.2_sdk
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  1. <HTML>
    2. 

  2. 

  3. <TITLE>Mesa Version History</TITLE>
    4. 

  4. 

  5. <head><link rel="stylesheet" type="text/css" href="mesa.css"></head>
    6. 

  6. 

  7. <BODY>
    8. 

  8. 

  9. <body bgcolor="#eeeeee">
    10. 

  10. 

  11. <B>
    12. 

  12. NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
    13. 

  13. <a href="relnotes.html">release notes</a> file.
    14. 

  14. </B>
    15. 

  15. 

  16. 

  17. <H1>Mesa Version History</H1>
    18. 

  18. 

  19. 

  20. <H2>1.0 beta   February 1995</H2>
    21. 

  21. <ul>
    22. 

  22. <li>Initial release
    23. 

  23. </ul>
    24. 

  24. 

  25. <H2>1.1 beta   March 4, 1995</H2>
    26. 

  26. Changes:
    27. 

  27. <ul>
    28. 

  28. <li>faster point and line drawing (2x faster)
    29. 

  29. <li>more systems supported, better Makefiles
    30. 

  30. <li>Renamed lib*.a files to avoid collisions
    31. 

  31. <li>many small bug fixes
    32. 

  32. </ul>
    33. 

  33. New:
    34. 

  34. <ul>
    35. 

  35. <li>pseudo-GLX functions added
    36. 

  36. <li>new implementation of evaluators (eval2.c)
    37. 

  37. <li>GLUT support
    38. 

  38. </ul>
    39. 

  39. 

  40. <H2>1.1.1 beta   March 7, 1995</H2>
    41. 

  41. Changes:
    42. 

  42. <ul>
    43. 

  43. <li>Reverted from eval2.c to eval.c due to FPE on Linux
    44. 

  44. <li>more speed improvements
    45. 

  45. <li>more Makefile changes
    46. 

  46. </ul>
    47. 

  47. 

  48. <H2>1.1.2 beta   March 14, 1995</H2>
    49. 

  49. New:
    50. 

  50. <ul>
    51. 

  51. <li>implementation of SGI's blending extensions
    52. 

  52. <li>glXUseXFont implemented
    53. 

  53. <li>added MESA_DEBUG environment variable support
    54. 

  54. </ul>
    55. 

  55. Changes:
    56. 

  56. <ul>
    57. 

  57. <li>Using eval2.c again
    58. 

  58. <li>more FPE-prevention checks (0-length normals are OK)
    59. 

  59. <li>a few small bug fixes
    60. 

  60. <li>much faster pixel logic ops!
    61. 

  61. <li>faster transformation arithmetic
    62. 

  62. </ul>
    63. 

  63. 

  64. <H2>1.1.3 beta   March 31, 1995</H2>
    65. 

  65. New:
    66. 

  66. <ul>
    67. 

  67. <li>gluScaleImage() and gluBuild2DMipMaps() implemented
    68. 

  68. <li>Mesa widgets for Xt/Motif
    69. 

  69. <li>blendEXT demos
    70. 

  70. <li>added environment variables for selecting visuals
    71. 

  71. </ul>
    72. 

  72. Changes:
    73. 

  73. <ul>
    74. 

  74. <li>almost all GLUT demos work correctly now
    75. 

  75. <li>faster X device driver functions
    76. 

  76. <li>more bug fixes
    77. 

  77. </ul>
    78. 

  78. 

  79. <H2>1.1.4 beta   April 20, 1995</H2>
    80. 

  80. Bug fixes:
    81. 

  81. <ul>
    82. 

  82. <li>missing #define SEEK_SET in src-tk/image.c
    83. 

  83. <li>compile glShadeModel into display lists
    84. 

  84. <li>fixed pow() domain error in src/light.c
    85. 

  85. <li>fixed "flickering bitmaps" in double buffer mode
    86. 

  86. <li>fixed tk.h and aux.h for C++
    87. 

  87. <li>state of LIGHT_MODEL_LOCAL_VIEWER was inverted
    88. 

  88. </ul>
    89. 

  89. New features:
    90. 

  90. <ul>
    91. 

  91. <li>MUCH, MUCH nicer dithering in 8-bit RGB mode
    92. 

  92. <li>updated widgets and widget demos
    93. 

  93. <li>Implemented GLXPixmap functions
    94. 

  94. <li>Added GLU 1.1 and GLX 1.1 functions
    95. 

  95. <li>Changed the X/Mesa interface API, more versatile
    96. 

  96. <li>Implemented gluPartialDisk()
    97. 

  97. </ul>
    98. 

  98. 

  99. <H2>1.2   May 22, 1995</H2>
    100. 

  100. Bug fixes:
    101. 

  101. <ul>
    102. 

  102. <li>IRIX 4.x makefile problem
    103. 

  103. <li>modified tk to share root colormap as needed
    104. 

  104. <li>gluLookAt normalization problem
    105. 

  105. <li>suppress Expose, NoExpose events in swapbuffers
    106. 

  106. <li>glBitmap() and glDrawPixels() clipping
    107. 

  107. </ul>
    108. 

  108. New features:
    109. 

  109. <ul>
    110. 

  110. <li>GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture
    111. 

  111. 	    modes implemented
    112. 

  112. <li>texture maps stored more efficiently
    113. 

  113. <li>texture maps can be compiled into display lists
    114. 

  114. <li>Bogdan Sikorski's GLU polygon tesselation code
    115. 

  115. <li>Linas Vepstas's sweep and extrusion library
    116. 

  116. <li>glXCreateContext()'s shareList parameter works as it's supposed to.
    117. 

  117. 	XMesaCreateContext() updated to accept a shareList parameter too.
    118. 

  118. <li>Mesa can be compiled with real OpenGL .h files
    119. 

  119. <li>MESA_BACK_BUFFER environment variable
    120. 

  120. <li>better GLX error checking
    121. 

  121. </ul>
    122. 

  122. 

  123. <h2>1.2.1   June 22, 1995</h2>
    124. 

  124. Bug fixes:
    125. 

  125. <ul>
    126. 

  126. <li>X/Mesa double buffer window resize crash
    127. 

  127. <li>widgets now pass PointerMotion events
    128. 

  128. <li>X/Mesa incorrect default clear color and drawing color
    129. 

  129. <li>more robust X MIT-SHM support in X/Mesa
    130. 

  130. <li>glTexImage( format=GL_LUMINANCE ) didn't work
    131. 

  131. <li>GL_LINE mode polygons with line width > 1.0 could cause a crash
    132. 

  132. <li>numerous feedback bugs
    133. 

  133. <li>glReadPixels() from depth buffer was wrong
    134. 

  134. <li>error prone depth and stencil buffer allocation
    135. 

  135. New features:
    136. 

  136. <li>Preliminary Microsoft Windows driver
    137. 

  137. <li>Implemented a number of missing functions: glEvalCoord[12][df]v(),
    138. 

  138. 	glGet...(), etc.
    139. 

  139. <li>Added a few missing symbols to gl.h and glu.h
    140. 

  140. <li>Faster rendering of smooth-shaded, RGBA, depth-buffered polygons.
    141. 

  141. <li>Faster rendering of lines when width=2.0
    142. 

  142. <li>Stencil-related functions now work in display lists
    143. 

  143. </ul>
    144. 

  144. Changes:
    145. 

  145. <ul>
    146. 

  146. <li>renamed aux.h as glaux.h (MS-DOS names can't start with aux)
    147. 

  147. <li>most filenames are in 8.3 format to accomodate MS-DOS
    148. 

  148. <li>use GLubytes to store arrays of colors instead of GLints
    149. 

  149. </ul>
    150. 

  150. 

  151. <h2>1.2.2   August 2, 1995</h2>
    152. 

  152. New features:
    153. 

  153. <ul>
    154. 

  154. <li>texture mapped points and lines
    155. 

  155. <li>NURBS! (but not 100% complete)
    156. 

  156. <li>viewports may safely extend beyond window boundaries
    157. 

  157. <li>MESA_PRIVATE_CMAP environment variable
    158. 

  158. <li>Grayscale X display support
    159. 

  159. <li>two new demos:  demos/gears.c and demos/shadow.c
    160. 

  160. <li>MachTen for Macintosh configuration
    161. 

  161. </ul>
    162. 

  162. Bug fixes:
    163. 

  163. <ul>
    164. 

  164. <li>glGet*(GL_DEPTH_BITS) returned bytes, not bits
    165. 

  165. <li>point, line, and bitmap rasterization suffered from roundoff errors
    166. 

  166. <li>fixed a division by zero error in line clippping
    167. 

  167. <li>occasional wrong default background color really fixed!
    168. 

  168. <li>glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work
    169. 

  169. <li>gluBuild2DMipmaps malloc problem fixed
    170. 

  170. <li>view volume clipping of smooth shaded lines resulted in bad colors
    171. 

  171. </ul>
    172. 

  172. Changes:
    173. 

  173. <ul>
    174. 

  174. <li>new visual selection method in glXChooseVisual()
    175. 

  175. <li>improved GLU quadric functions
    176. 

  176. <li>call XSync for glFinish and XFlush for glFlush
    177. 

  177. <li>glVertex() calls now use a function pointer to avoid conditionals
    178. 

  178. <li>removed contrib directory from Mesa tar file (available on ftp site)
    179. 

  179. <li>AIX shared library support
    180. 

  180. <li>Removed GLUenum type as it's not in OpenGL
    181. 

  181. </ul>
    182. 

  182. 

  183. <h2>1.2.3   September 26, 1995</h2>
    184. 

  184. New features:
    185. 

  185. <ul>
    186. 

  186. <li>Mesa header files now equivalent to SGI OpenGL headers
    187. 

  187. <li>Support for HP's Color Recovery dithering displays
    188. 

  188. <li>Faster vertex transformation
    189. 

  189. <li>Faster raster operations into X windows under certain conditions
    190. 

  190. <li>New configurations:  HP w/ shared libs, Ultrix w/ GCC, Data General
    191. 

  191. <li>4-bit visuals now supported
    192. 

  192. </ul>
    193. 

  193. Bug fixes:
    194. 

  194. <ul>
    195. 

  195. <li>glScissor bug fixed
    196. 

  196. <li>round-off errors in clipping lines against clip planes fixed
    197. 

  197. <li>byte swapping between hosts and display servers implemented
    198. 

  198. <li>glGetError() can be called without a current rendering context
    199. 

  199. <li>problem with accidentally culled polygons is fixed
    200. 

  200. <li>fixed some widget compilation problems
    201. 

  201. </ul>
    202. 

  202. 

  203. <h2>1.2.4   November 17, 1995</h2>
    204. 

  204. New features:
    205. 

  205. <ul>
    206. 

  206. <li>More speed improvements (lighting, fogging, polygon drawing)
    207. 

  207. <li>Window system and OS-independent off-screen rendering
    208. 

  208. <li>Preliminary Fortran bindings
    209. 

  209. <li>glPolygonOffsetEXT implemented
    210. 

  210. <li>glColorMask and glIndexMask now fully implemented
    211. 

  211. <li>glPixelZoom implemented
    212. 

  212. <li>display lists fully implemented
    213. 

  213. <li>gamma correction
    214. 

  214. <li>dithering in 8-bit TrueColor/DirectColor visuals
    215. 

  215. </ul>
    216. 

  216. Changes:
    217. 

  217. <ul>
    218. 

  218. <li>Improved device driver interface
    219. 

  219. <li>tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk
    220. 

  220. <li>Dithering support moved from core into device driver
    221. 

  221. </ul>
    222. 

  222. Bug fixes:
    223. 

  223. <ul>
    224. 

  224. <li>glEnable/Disable( GL_LIGHTING ) didn't always take effect
    225. 

  225. <li>glReadPixels byte swapping was broken
    226. 

  226. <li>glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken
    227. 

  227. <li>duplicate glColor4b() prototype in GL/gl.h removed
    228. 

  228. <li>stripes in wave -ci demo fixed
    229. 

  229. <li>GL_LINEAR_MIPMAP_NEAREST had wrong value
    230. 

  230. <li>bugs in HP Color Recovery support fixed
    231. 

  231. <li>fixed bug when blending lines, points, bitmaps outside of window
    232. 

  232. </ul>
    233. 

  233. 

  234. <h2>1.2.5   November 30, 1995</h2>
    235. 

  235. New Features:
    236. 

  236. <ul>
    237. 

  237. <li>updated MS Windows driver
    238. 

  238. <li>new implementation of StaticGray/GrayScale visual support
    239. 

  239. </ul>
    240. 

  240. Bug fixes:
    241. 

  241. <ul>
    242. 

  242. <li>pixelzooming with gamma correction or blending didn't work
    243. 

  243. <li>HP color recovery visual wasn't being picked by glXChooseVisual
    244. 

  244. <li>glClear didn't always observe glColorMask changes
    245. 

  245. <li>olympic and offset demos didn't compile on some Suns
    246. 

  246. <li>texcoord clamping wasn't correct
    247. 

  247. <li>a polygon optimization introduced an occasional sampling problem
    248. 

  248. </ul>
    249. 

  249. 

  250. <h2>1.2.6   January 26, 1996</h2>
    251. 

  251. New Features:
    252. 

  252. <ul>
    253. 

  253. <li>faster line and polygon rendering under certain conditions.  See
    254. 

  254. 	  Performance Tips 9 and 10 in README
    255. 

  255. <li>profiling
    256. 

  256. <li>lighting is a bit faster
    257. 

  257. <li>better perspective corrected texture mapping
    258. 

  258. <li>Amiga AmiWin (X11) support
    259. 

  259. <li>preliminary Linux SVGA driver
    260. 

  260. Changes:
    261. 

  261. <li>now using a 16-bit depth buffer, faster, smaller
    262. 

  262. <li>GL_NORMALIZE is disabled by default
    263. 

  263. </ul>
    264. 

  264. Bug fixes:
    265. 

  265. <ul>
    266. 

  266. <li>projective texture mapping
    267. 

  267. <li>fixed a memory leak in the context destroy function
    268. 

  268. <li>GL_POLYGON with less than 3 vertices caused a crash
    269. 

  269. <li>glGet*() returned wrong result for GL_INDEX_MODE
    270. 

  270. <li>reading pixels from an unmapped X window caused a BadMatch error
    271. 

  271. </ul>
    272. 

  272. 

  273. <h2>1.2.7   March 5, 1996</h2>
    274. 

  274. New:
    275. 

  275. <ul>
    276. 

  276. <li>faster lighting
    277. 

  277. <li>faster 16-bit TrueColor rendering on Linux
    278. 

  278. <li>faster 32-bit TrueColor rendering on Linux, HP, IBM
    279. 

  279. <li>non-depth-buffered XImage polygons are faster
    280. 

  280. <li>vertex array extension
    281. 

  281. <li>software alpha planes
    282. 

  282. <li>updated Macintosh driver
    283. 

  283. <li>new NeXT driver
    284. 

  284. <li>GLU quadric functions generate texture coordinates
    285. 

  285. <li>reflect.c demo - reflective, textured surface demo
    286. 

  286. </ul>
    287. 

  287. Changes:
    288. 

  288. <ul>
    289. 

  289. <li>gamma correction code moved into the X driver for better performance
    290. 

  290. </ul>
    291. 

  291. Bug fixes:
    292. 

  292. <ul>
    293. 

  293. <li>multiple glClipPlane()'s didn't work reliably
    294. 

  294. <li>glPolygonMode() didn't always work
    295. 

  295. <li>glCullFace( GL_FRONT_AND_BACK ) didn't work
    296. 

  296. <li>texture mapping with gamma correction was buggy
    297. 

  297. <li>floating point exceptions in texture coordinate interpolation
    298. 

  298. <li>XImage byte swapping didn't always work
    299. 

  299. <li>polygon edge flags weren't always used correctly
    300. 

  300. </ul>
    301. 

  301. 

  302. <h2>1.2.8   May 22, 1996</h2>
    303. 

  303. New:
    304. 

  304. <ul>
    305. 

  305. <li>overlay planes on X servers with the SERVER_OVERLAY_VISUALS property
    306. 

  306. <li>better monochrome output
    307. 

  307. <li>more IRIX 6.x configurations
    308. 

  308. <li>more robust RGB mode color allocation
    309. 

  309. <li>added MESA_XSYNC environment variable
    310. 

  310. <li>GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions
    311. 

  311. <li>GL_MESA_window_pos extension
    312. 

  312. <li>faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT
    313. 

  313. 	and GL_UNSIGNED_INT
    314. 

  314. <li>driver for prototype Cirrus Mondello 3-D board
    315. 

  315. <li>updated AmigaDOS driver
    316. 

  316. <li>a few small speed optimizations in polygon rendering
    317. 

  317. </ul>
    318. 

  318. Changes:
    319. 

  319. <ul>
    320. 

  320. <li>internal device driver interface modified to simplify device
    321. 

  321. 	  driver implementations and to support hardware Z buffers
    322. 

  322. <li>several changes to the X/Mesa interface (xmesa.h)
    323. 

  323. </ul>
    324. 

  324. Bug fixes:
    325. 

  325. <ul>
    326. 

  326. <li>fixed pow(0,0) domain error triggered on some systems
    327. 

  327. <li>glStencilClear() in a display list caused an infinite loop
    328. 

  328. <li>glRasterPos*() was sometimes off by +/-0.5 in X and Y
    329. 

  329. <li>color masking and blending were performed in wrong order
    330. 

  330. <li>auxSolidCylinder() sometimes drew a wire-frame cylinder
    331. 

  331. <li>fixed file writing bug in osdemo.c
    332. 

  332. <li>pixel mapping didn't always work
    333. 

  333. <li>the GL_GEQUAL stencil func didn't work
    334. 

  334. <li>the GL_INVERT stencil op didn't work
    335. 

  335. <li>the stencil write mask didn't work
    336. 

  336. <li>glPush/PopAttrib() didn't do enough error checking
    337. 

  337. <li>glIsList() didn't always work correctly
    338. 

  338. </ul>
    339. 

  339. 

  340. <h2>2.0  October 10, 1996</h2>
    341. 

  341. New:
    342. 

  342. <ul>
    343. 

  343. <li>Implements OpenGL 1.1 API functions
    344. 

  344. <li>all texture filtering modes supported (mipmapping)
    345. 

  345. <li>faster texture mapping, see Performance Tip 11 in README
    346. 

  346. <li>antialiased RGB points
    347. 

  347. <li>X support for line and polygon stippling
    348. 

  348. <li>glDrawBuffer( GL_FRONT_AND_BACK ) works
    349. 

  349. <li>util/ directory of useful stuff
    350. 

  350. <li>demos/texobj demo of texture objects
    351. 

  351. </ul>
    352. 

  352. Changes:
    353. 

  353. <ul>
    354. 

  354. <li>major internal changes for thread-safeness
    355. 

  355. <li>new device driver interface
    356. 

  356. <li>MESA_ALPHA env variable removed
    357. 

  357. <li>triangle rasterizer replaces polygon rasterizer
    358. 

  358. </ul>
    359. 

  359. Bug fixes:
    360. 

  360. <ul>
    361. 

  361. <li>glPopAttrib() bug
    362. 

  362. <li>glDrawBuffer(GL_NONE) works now
    363. 

  363. </ul>
    364. 

  364. 

  365. <h2>2.1  December 14, 1996</h2>
    366. 

  366. New:
    367. 

  367. <ul>
    368. 

  368. <li>VMS support
    369. 

  369. <li>MS-DOS driver
    370. 

  370. <li>OpenStep support
    371. 

  371. <li>updated, combined Windows 95/NT driver
    372. 

  372. <li>implemented glGetLighti() and glGetTexGen*()
    373. 

  373. <li>GLX does garbage collection of ancillary buffers
    374. 

  374. </ul>
    375. 

  375. Bug fixes:
    376. 

  376. <ul>
    377. 

  377. <li>removed unused _EXT constants from gl.h
    378. 

  378. <li>fixed polygon offset bugs
    379. 

  379. <li>Z coordinates of clipped lines were incorrect
    380. 

  380. <li>glEdgeFlag() in display lists didn't always work
    381. 

  381. <li>glLight*() in display lists didn't work
    382. 

  382. <li>fixed X line stipple bugs (Michael Pichler)
    383. 

  383. <li>glXUseXfonts XFreeFont/XFreeFontInfo bug fixed
    384. 

  384. <li>fixed a feedback bug
    385. 

  385. <li>glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix
    386. 

  386. <li>polygons were sometimes culled instead of clipped
    387. 

  387. <li>triangle rasterizer suffered from float/int overflow exceptions
    388. 

  388. <li>fixed FP underflow exception in lighting (specular exponent)
    389. 

  389. <li>glEnable/glDisable of GL_EXT_vertex_array enums didn't work
    390. 

  390. <li>fixed free(NULL) in GLU tesselator code
    391. 

  391. <li>using 24-bit color on some X servers resulted in garbage rendering
    392. 

  392. <li>32-bit per pixel mode for XFree86 now works
    393. 

  393. <li>glRotate(a,0,0,0) gave unpredictable results
    394. 

  394. <li>GL_LINE_STRIP with > 480 vertices had occasional clipping problems
    395. 

  395. <li>8-bit TrueColor GLXPixmap rendering incorrectly required a colormap
    396. 

  396. <li>glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled
    397. 

  397. <li>glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right
    398. 

  398. <li>accumulation buffer was limited to positive values
    399. 

  399. <li>projective textures didn't work
    400. 

  400. <li>selection buffer overflows weren't handled correctly
    401. 

  401. </ul>
    402. 

  402. Changes:
    403. 

  403. <ul>
    404. 

  404. <li>restored the GL_EXT_polygon_offset extension
    405. 

  405. <li>slightly faster RGB dithering
    406. 

  406. <li>the SVGA driver works again
    407. 

  407. <li>Amiga driver now distributed separately
    408. 

  408. <li>NeXT driver updated for Mesa 2.x
    409. 

  409. </ul>
    410. 

  410. 

  411. <h2>2.2  March 14, 1997</h2>
    412. 

  412. New:
    413. 

  413. <ul>
    414. 

  414. <li>better color selection when dithering
    415. 

  415. <li>added GL_EXT_texture_object extension
    416. 

  416. <li>updated MS-DOS driver for DJGPP
    417. 

  417. <li>added openbsd make configuration
    418. 

  418. <li>faster dithered flat-shaded triangles
    419. 

  419. <li>various compilation problems with Motif widgets fixed
    420. 

  420. <li>gl.h, glx.h and glu.h name mangling option
    421. 

  421. <li>BeOS driver
    422. 

  422. <li>3D texture mapping extension
    423. 

  423. <li>GL_MESA_resize_buffers extension
    424. 

  424. <li>morph3d, stex3d and spectex demos
    425. 

  425. <li>3Dfx support
    426. 

  426. </ul>
    427. 

  427. Bug fixes:
    428. 

  428. <ul>
    429. 

  429. <li>glColorMaterial should finally work right in all respects
    430. 

  430. <li>linear interpolation of mipmap levels was incorrectly weighted
    431. 

  431. <li>readpix.c didn't compile on Macintosh
    432. 

  432. <li>GL_INVERT and related logic ops didn't work right
    433. 

  433. <li>glTexImage[12]D() didn't check its parameters consistantly
    434. 

  434. <li>fixed a memory leak in glTexImage[12]D()
    435. 

  435. <li>kludged around a SunOS 5.x/GCC compiler bug in the feedback code
    436. 

  436. <li>glReadPixels aborted instead of normally catching some errors
    437. 

  437. <li>a few 1.1 constants were missing or misnamed in gl.h
    438. 

  438. <li>glBegin(p); glBegin(q); didn't generate an error
    439. 

  439. <li>fixed a memory leak in GLX code
    440. 

  440. <li>clipping of concave polygons could cause a core dump
    441. 

  441. <li>1-component alpha texture maps didn't work
    442. 

  442. <li>fixed a GLU polygon tesselator bug
    443. 

  443. <li>polygons with colinear vertices were sometimes culled
    444. 

  444. <li>feedback triangle colors were wrong when using smooth shading
    445. 

  445. <li>textures with borders didn't work correctly
    446. 

  446. <li>colors returned in feedback mode were wrong when using lighting
    447. 

  447. <li>spotlights didn't effect ambient lighting correctly
    448. 

  448. <li>gluPartialDisk() had a few bugs
    449. 

  449. </ul>
    450. 

  450. Changes:
    451. 

  451. <ul>
    452. 

  452. <li>device driver interface expanded to support texture mapping
    453. 

  453. <li>faster matrix inversion subroutine
    454. 

  454. <li>commented out #include "wmesa_extend.h" from src/wmesa.c
    455. 

  455. <li>fixed many compiler warnings in the demo programs
    456. 

  456. </ul>
    457. 

  457. 

  458. <h2>2.3  June 30, 1997</h2>
    459. 

  459. New:
    460. 

  460. <ul>
    461. 

  461. <li>Mesa distribution divided into two pieces:  library code and demos
    462. 

  462. <li>faster vertex transformation, clip testing, lighting
    463. 

  463. <li>faster line drawing
    464. 

  464. <li>TrueColor visuals how have dithering (for depths < 24 bits)
    465. 

  465. <li>added MESA_NO_DITHER environment variable
    466. 

  466. <li>new device driver function: NearFar(), RenderVB(), RasterSetup()
    467. 

  467. <li>added LynxOS configuration
    468. 

  468. <li>added cygnus Win32 configuration
    469. 

  469. <li>added texcyl.c GLUT demo
    470. 

  470. <li>added XMesaDitherColor() to X/Mesa interface
    471. 

  471. <li>new NURBS code from Bogdan Sikorski
    472. 

  472. <li>added demos/shape.c (non-rectangular X window!)
    473. 

  473. </ul>
    474. 

  474. Bug fixes:
    475. 

  475. <ul>
    476. 

  476. <li>glEnable/DisableClientState() were missing from GL/gl.h
    477. 

  477. <li>GL_SPHERE_MAP texcoord generation didn't work correctly
    478. 

  478. <li>glXGetConfig() returned wrong number of depth, stencil, accum bits
    479. 

  479. <li>glDrawPixels feedback/selection didn't examine RasterPos valid bit
    480. 

  480. <li>black and white were reversed on some monochrome displays
    481. 

  481. <li>fixed potential image memory leak (wasn't setting reference counter)
    482. 

  482. <li>glDrawPixels sometimes didn't recognize some GL state changes
    483. 

  483. <li>gluProject/UnProject() didn't check for divide by zero
    484. 

  484. <li>stex3d demo called random() and srandom(), not portable
    485. 

  485. <li>fixed memory leaks in context.c and drawpix.c
    486. 

  486. <li>fixed NULL dereferencing problem in gl_update_texture_state()
    487. 

  487. <li>glReadPixels between glBegin/glEnd didn't generate an error.
    488. 

  488. <li>fixed memory leak in polygon tesselator (Randy Frank)
    489. 

  489. <li>fixed seg fault bug drawing flat-shaded, depth-tested lines
    490. 

  490. <li>clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded
    491. 

  491. <li>glBindTexture sometimes didn't work
    492. 

  492. <li>fixed a bug deep in glXReleaseBuffersMESA()
    493. 

  493. <li>fog was mistakenly applied to alpha
    494. 

  494. <li>glPopMatrix didn't set "dirty matrix" flag
    495. 

  495. <li>glPolygonStipple pattern was sometimes wrong
    496. 

  496. <li>glClear wasn't disabled during feedback and selection
    497. 

  497. <li>fixed memory leak in glTexSubImage[123]D
    498. 

  498. </ul>
    499. 

  499. Changes:
    500. 

  500. <ul>
    501. 

  501. <li>many library source files reorganized
    502. 

  502. <li>faster X color allocation, colors also freed when finished with them
    503. 

  503. <li>new texture sampling function pointer in texture objects
    504. 

  504. <li>incorporated 3Dfx VooDoo driver v0.16 into main source tree
    505. 

  505. <li>many 3Dfx driver updates
    506. 

  506. <li>cygnus Makefiles now included
    507. 

  507. <li>updated DOS driver
    508. 

  508. <li>made a few changes to dosmesa.c and wmesa.c (VB->Unclipped)
    509. 

  509. <li>internally, colors now stored in GLubytes, not GLfixed
    510. 

  510. <li>optimized changing of GL_SHININESS parameter
    511. 

  511. </ul>
    512. 

  512. 

  513. <h2>2.4  September 18, 1997</h2>
    514. 

  514. New:
    515. 

  515. <ul>
    516. 

  516. <li>updated 3Dfx Glide driver
    517. 

  517. <li>hacks for 3Dfx rendering into an X window or fullscreen
    518. 

  518. <li>added depth buffer access functions to X/Mesa and OS/Mesa interfaces
    519. 

  519. </ul>
    520. 

  520. Bug fixes:
    521. 

  521. <ul>
    522. 

  522. <li>pixel buffer could overflow with long, wide lines
    523. 

  523. <li>fixed FP underflow problems in lighting
    524. 

  524. <li>glTexSubImage1D() had an unitialized variable
    525. 

  525. <li>incomplete texture objects could cause a segfault
    526. 

  526. <li>glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop
    527. 

  527. <li>flat-shaded quads in a strip were miscolored if clipped
    528. 

  528. <li>mipmapped triangle lod computation now works correctly
    529. 

  529. <li>fixed a few under/overflow bugs in triangle rasterizer
    530. 

  530. <li>glArrayElement() assigned bad normal if normal array disabled
    531. 

  531. <li>changed argument to glXReleaseBuffersMESA()
    532. 

  532. <li>fixed small triangle underflow bugs in tritemp.h (hopefully)
    533. 

  533. <li>glBindTexture(target, 0) caused a crash
    534. 

  534. <li>glTexImage[123]D() with NULL image pointer caused crash
    535. 

  535. <li>glPixelStore parameters are now ignored during display list execution
    536. 

  536. <li>fixed a two-sided lighting w/ clipping bug (black vertices)
    537. 

  537. <li>textures with width!=height were sometimes mis-rendered
    538. 

  538. <li>"weird" projection matrices could cause div by 0, other fp errors
    539. 

  539. </ul>
    540. 

  540. Changes:
    541. 

  541. <ul>
    542. 

  542. <li>changed precompiled header symbol from PCH to PC_HEADER
    543. 

  543. <li>split api.c into api1.c and api2.c
    544. 

  544. <li>added hash.c source file (but not used yet)
    545. 

  545. <li>a few Sun and HP configuration file changes
    546. 

  546. <li>MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN
    547. 

  547. <li>fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c)
    548. 

  548. </ul>
    549. 

  549. 

  550. <h2>2.5  November 20, 1997</h2>
    551. 

  551. New:
    552. 

  552. <ul>
    553. 

  553. <li>updated 3Dfx driver (v20) for GLQuake
    554. 

  554. <li>added GL_EXT_paletted_texture extension
    555. 

  555. <li>added GL_EXT_shared_texture_palette extension
    556. 

  556. <li>added GL_EXT_point_parameters extension
    557. 

  557. <li>now including Mark Kilgard's GLUT library v3.6
    558. 

  558. <li>new GLUT-based demos in gdemos/
    559. 

  559. <li>added a few more Unix config targets
    560. 

  560. <li>added Intel X86 assembly language vertex transformation code
    561. 

  561. <li>3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var
    562. 

  562. <li>Windows 95 S3 Virge driver
    563. 

  563. </ul>
    564. 

  564. Bug fixes:
    565. 

  565. <ul>
    566. 

  566. <li>glCopyTexImage?D would crash due to uninitialized variable
    567. 

  567. <li>glColor w/ glColorMaterial in a display list caused a bug
    568. 

  568. <li>fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver
    569. 

  569. <li>glVertex4*() vertices weren't always projected correctly
    570. 

  570. <li>trying to use mipmapped textured points or lines caused crash
    571. 

  571. <li>glColor[34][fd]() values now clamped to [0,1] before int conversion
    572. 

  572. </ul>
    573. 

  573. Changes:
    574. 

  574. <ul>
    575. 

  575. <li>new device driver functions for texture mapping
    576. 

  576. <li>hash tables used for display list and texture object lookup
    577. 

  577. <li>fixed GLX visual handling code to avoid saving redundant visuals
    578. 

  578. <li>3Dfx Glide libraries automatically linked to libMesaGL.so
    579. 

  579. <li>dropped the Cirrus Logic Mondello code since it's obsolete
    580. 

  580. <li>updated Cygnus Makefiles (Stephane Rehel)
    581. 

  581. <li>updated Windows MSVC++ Makefiles (Oleg Letsinsky)
    582. 

  582. <li>procedure for making library files has changed: scripts now take
    583. 

  583. 	a major and minor version arguments.  Make-config changed a lot.
    584. 

  584. <li>new implementation of glTexSubImage2D()
    585. 

  585. <li>updated widgets-mesa directory to create libMesaGLwM.a (Motif widget)
    586. 

  586. <li>separate linux-glide and linux-386-glide configurations
    587. 

  587. </ul>
    588. 

  588. 

  589. <h2>2.6  February 12, 1998</h2>
    590. 

  590. New:
    591. 

  591. <ul>
    592. 

  592. <li>Windows WGL functions
    593. 

  593. <li>updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support
    594. 

  594. <li>v0.22 of 3Dfx Glide driver
    595. 

  595. <li>more X86 assembly language optimizations
    596. 

  596. <li>faster blending for some modes
    597. 

  597. <li>XMesaSetFXmode() to switch between 3Dfx window and full-screen mode 
    598. 

  598. <li>added preliminary thread support
    599. 

  599. <li>added GLX_MESA_copy_sub_buffer extension
    600. 

  600. <li>some clipping optimizations
    601. 

  601. </ul>
    602. 

  602. Bug fixes:
    603. 

  603. <ul>
    604. 

  604. <li>fixed shading/material bug when drawing long primitive strips
    605. 

  605. <li>fixed clipping problem in long primitive strips
    606. 

  606. <li>fixed clipping bug when using 3Dfx driver
    607. 

  607. <li>fixed a problem when trying to use X fonts w/ 3Dfx driver
    608. 

  608. <li>fixed a texture filter bug in 3Dfx/Glide driver
    609. 

  609. <li>fixed bug in 3Dfx/Glide driver involving depth mask & clearing
    610. 

  610. <li>glLoadMatrix to set projection matrix confused the 3Dfx driver
    611. 

  611. <li>non-identity texture matrices didn't work with linux-386 configs
    612. 

  612. <li>glGenTextures() didn't reserve the returned texture IDs
    613. 

  613. <li>NULL proxy image sent to glTexImageXD() caused crash
    614. 

  614. <li>added texture state validation optimization (Henk Kok)
    615. 

  615. <li>fixed colormap reuse problem when using both RGB and CI windows
    616. 

  616. <li>32bpp True/DirectColor X visuals weren't recognized
    617. 

  617. <li>fixed potential problem in evaluators memory allocation
    618. 

  618. <li>fixed assorted demo compilation bugs
    619. 

  619. </ul>
    620. 

  620. Changes:
    621. 

  621. <ul>
    622. 

  622. <li>replaced old Mesa/windows/ directory with Mesa/WIN32/ directory
    623. 

  623. <li>converted a few old glaux/gltk demos to GLUT
    624. 

  624. <li>renamed directories:  demos -> xdemos,  gdemos -> demos
    625. 

  625. </ul>
    626. 

  626. 

  627. 

  628. <h2>3.0  September 17, 1998</h2>
    629. 

  629. New:
    630. 

  630. <ul>
    631. 

  631. <li>OpenGL 1.2 API
    632. 

  632. <li>GL_EXT_abgr pixel format extension
    633. 

  633. <li>GL_SGIS_texture_edge_clamp extension
    634. 

  634. <li>GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex)
    635. 

  635. <li>GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex)
    636. 

  636. <li>GL_EXT_rescale_normal extension and renormal.c demo
    637. 

  637. <li>GLX_SGI_video_sync extension (a no-op)
    638. 

  638. <li>antialiased lines
    639. 

  639. <li>glGetTexImage() now implemented
    640. 

  640. <li>glDraw/Copy/ReadPixels() optimizations
    641. 

  641. <li>optimized textured triangle code (Marten Stromberg)
    642. 

  642. <li>more optimization of dithered TrueColor triangles in X driver
    643. 

  643. <li>Linux GGI driver
    644. 

  644. <li>updated MGL driver
    645. 

  645. </ul>
    646. 

  646. Bug fixes:
    647. 

  647. <ul>
    648. 

  648. <li>lots of assorted compilation fixes
    649. 

  649. <li>glInitNames didn't write initial hit record
    650. 

  650. <li>glBitmap didn't always check for invalid raster position
    651. 

  651. <li>switching between GLX and OSMesa contexts caused a crash
    652. 

  652. <li>fixed uninitialized variable in Mesa widget code
    653. 

  653. <li>fixed typo in texture code which caused book/texgen to crash
    654. 

  654. <li>fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP
    655. 

  655. <li>gluDisk() in POINT or LINE mode sometimes failed
    656. 

  656. <li>fixed texture + fog bug
    657. 

  657. <li>GL_COMPILE_AND_EXECUTE mode didn't work reliably
    658. 

  658. <li>glMultMatrix in projection matrix mode w/ 3Dfx driver could fail
    659. 

  659. <li>glDrawPixels(color index pixels) weren't converted to RGBA
    660. 

  660. <li>fixed possible getenv() buffer overflow security bug
    661. 

  661. <li>glBitmap in feedback mode was offset by xOrig, yOrig params
    662. 

  662. <li>device driver's DrawPixels hook was never used
    663. 

  663. <li>glDrawPixels with zoomY!=1 and top/bottom clipping didn't work
    664. 

  664. <li>glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte
    665. 

  665. <li>fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c
    666. 

  666. <li>glCopyTexSubImage2D() didn't work with 3Dfx driver
    667. 

  667. <li>lines with width = 2 could cause crash
    668. 

  668. <li>glClear with scissor rect sometimes cleared whole buffer
    669. 

  669. <li>glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work
    670. 

  670. <li>glTexImageXD( .. GL_ABGR_EXT .. ) didn't work
    671. 

  671. <li>computation of inverse modelview matrix sometimes failed
    672. 

  672. <li>fixed GL_CLAMP mode texture sampling bug
    673. 

  673. <li>textured line interpolation was somewhat broken
    674. 

  674. <li>textured triangle interpolation was also somewhat broken
    675. 

  675. <li>glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one
    676. 

  676. <li>evaluator state wasn't fully initialized
    677. 

  677. <li>texture coordinate clipping was buggy
    678. 

  678. <li>evaluator surfaces could be mis-colored
    679. 

  679. <li>glAccum(GL_RETURN, s) didn't obey glColorMask() settings
    680. 

  680. <li>zero area polygons shouldn't be culled if polygon mode is point/line
    681. 

  681. <li>clipped width and height of glReadPixels was sometimes off by one
    682. 

  682. <li>blending with alpha = 0 or 1.0 wasn't always exact
    683. 

  683. <li>reading of pixels from clipped region was buggy
    684. 

  684. <li>minor tweaking of X visual management in GLX emulator
    685. 

  685. <li>glPolygonStipple now obeys pixel unpacking parameters
    686. 

  686. <li>glGetPolygonStipple now obeys pixel packing parameters
    687. 

  687. <li>interleaved vertex array texture coordinates were broken
    688. 

  688. <li>query of proxy texture internal format was broken
    689. 

  689. <li>alpha channel wasn't reliably cleared
    690. 

  690. <li>fixed divide by zero error in gluScaleImage if dest size = 1 x 1
    691. 

  691. </ul>
    692. 

  692. Conformance bug fixes:
    693. 

  693. <ul>
    694. 

  694. <li>GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing
    695. 

  695. <li>GL_TEXTURE_INTERNAL_FORMAT was missing
    696. 

  696. <li>glGet*(GL_POLYGON_STIPPLE) was broken
    697. 

  697. <li>glPush/PopAttrib() didn't save/restore all texture state
    698. 

  698. <li>glBitmap in feedback mode didn't work
    699. 

  699. <li>feedback of texture coords didn't always work
    700. 

  700. <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke
    701. 

  701. <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke
    702. 

  702. <li>glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke
    703. 

  703. </ul>
    704. 

  704. Changes:
    705. 

  705. <ul>
    706. 

  706. <li>upgraded GLUT to version 3.7
    707. 

  707. <li>only GL and GLU library code included in MesaLib.tar.gz
    708. 

  708. <li>GLUT and all demos now in MesaDemos.tar.gz
    709. 

  709. <li>glaux and gltk libraries removed
    710. 

  710. <li>IRIX -n32 and -64 libs go in lib32/ and lib64/ directories
    711. 

  711. </ul>
    712. 

  712. 

  713. 

  714. <h2>3.1 beta 1  November 19, 1998</h2>
    715. 

  715. New:
    716. 

  716. <ul>
    717. 

  717. <li>GL_EXT_stencil_wrap extension
    718. 

  718. <li>GL_INGR_blend_func_separate extension
    719. 

  719. <li>GL_ARB_multitexture extension
    720. 

  720. <li>GL_NV_texgen_reflection extension
    721. 

  721. <li>newly optimized vertex transformation code
    722. 

  722. <li>updated GLUT 3.7 code
    723. 

  723. <li>better precision when using 32-bit Z buffer
    724. 

  724. <li>Allegro DJGPP driver
    725. 

  725. </ul>
    726. 

  726. Bug fixes:
    727. 

  727. <ul>
    728. 

  728. <li>glCopyPixels between front/back buffers didn't copy alpha correctly
    729. 

  729. <li>fixed out-of-bounds memory access in optimized 2-D texture code
    730. 

  730. <li>glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter
    731. 

  731. <li>glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter
    732. 

  732. <li>clipping of texture coordinates sometimes had bad R,Q values
    733. 

  733. <li>GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels
    734. 

  734. <li>glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean *
    735. 

  735. <li>texture was sometimes applied twice with 3Dfx driver
    736. 

  736. <li>glPush/PopAttrib() fouled up texture object reference counts
    737. 

  737. <li>glDeleteLists(0, n) caused assertion failure
    738. 

  738. <li>bilinear texture sampling wasn't accurate enough
    739. 

  739. <li>glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx
    740. 

  740. <li>color components were reversed on big endian 32 bpp X visuals
    741. 

  741. </ul>
    742. 

  742. Changes:
    743. 

  743. <ul>
    744. 

  744. <li>removed GL_EXT_multitexture extension
    745. 

  745. </ul>
    746. 

  746. 

  747. 

  748. <h2>3.1 beta 2  May 24, 1999</h2>
    749. 

  749. New:
    750. 

  750. <ul>
    751. 

  751. <li>multi-textured points and lines (mjk@nvidia.com)
    752. 

  752. <li>optimized 24bpp X rendering (bernd.paysan@gmx.de)
    753. 

  753. <li>added allegro support (bernie-t@geocities.com)
    754. 

  754. <li>cleaned-up Windows-related stuff (Ted Jump)
    755. 

  755. <li>minor stereo changes (KendallB@scitechsoft.com)
    756. 

  756. <li>new BeOS driver which implements BGLView class
    757. 

  757. <li>new Direct3D driver (see src/D3D)
    758. 

  758. <li>more efficient filled gluCylinder() function
    759. 

  759. <li>utilities:  util/showbuffer.[ch] and util/glstate.[ch]
    760. 

  760. <li>fixed some IRIX compiler warnings
    761. 

  761. <li>added support for building Mesa in XFree86 with
    762. 

  762. 	SGI's GLX (kevin@precisioninsight.com)
    763. 

  763. </ul>
    764. 

  764. Bug fixes:
    765. 

  765. <ul>
    766. 

  766. <li>a variety of Windows/Mesa bug fixes (mjk@nvidia.com)
    767. 

  767. <li>packed pixel images weren't unpacked correctly
    768. 

  768. <li>patches some win32 files in GLUT (mjk@nvidia.com)
    769. 

  769. <li>glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX
    770. 

  770. <li>fixed lighting bug in Keith's new shading code
    771. 

  771. <li>fixed texture segfault seen in Lament screensaver
    772. 

  772. <li>fixed miscellaneous low-memory bugs
    773. 

  773. <li>glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken
    774. 

  774. <li>GL_LINEAR sampling of 3D textures was broken
    775. 

  775. <li>fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org)
    776. 

  776. <li>added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk)
    777. 

  777. <li>fixed wide point and wide line conformance bugs (brianp)
    778. 

  778. </ul>
    779. 

  779. Changes:
    780. 

  780. <ul>
    781. 

  781. <li>some device driver changes (see src/dd.h)
    782. 

  782. <li>new copyright on core Mesa code
    783. 

  783. </ul>
    784. 

  784. 

  785. 

  786. <h2>3.1 beta 3  September 17, 1999</h2>
    787. 

  787. New:
    788. 

  788. <ul>
    789. 

  789. <li>optimized glAccum function
    790. 

  790. <li>optimized 24bpp rendering in XMesa driver
    791. 

  791. <li>GLU 1.2 polygon tessellator
    792. 

  792. </ul>
    793. 

  793. Bug Fixes:
    794. 

  794. <ul>
    795. 

  795. <li>glGetTexLevelParameter wasn't fully implemented
    796. 

  796. <li>glXUseXFont now handles multi-byte fonts
    797. 

  797. <li>glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result
    798. 

  798. <li>alpha channel of blending points, lines was sometimes incorrect
    799. 

  799. </ul>
    800. 

  800. Changes:
    801. 

  801. <ul>
    802. 

  802. <li>New library names:  "libGL" instead of "libMesaGL"
    803. 

  803. <li>New library numbering: libGL.so.1.2.310
    804. 

  804. <li>New subdirectories:  docs/ and bin/
    805. 

  805. <li>New Makefile-system (autoconf,automake,libtool)
    806. 

  806. </ul>
    807. 

  807. 

  808. 

  809. <h2>3.1 final  December 14, 1999</h2>
    810. 

  810. New:
    811. 

  811. <ul>
    812. 

  812. <li>added demos/gloss.c
    813. 

  813. <li>added xdemos/glxdpyinfo.c
    814. 

  814. <li>added GLX_ARB_get_proc_address extension
    815. 

  815. <li>rewritten glTexImage code paths (faster, less memory, bug fixes)
    816. 

  816. </ul>
    817. 

  817. Bug Fixes:
    818. 

  818. <ul>
    819. 

  819. <li>several vertex array bug fixes
    820. 

  820. <li>overlapping glCopyPixels with pixel zooming now works
    821. 

  821. <li>glXUseXFont() bitmaps were vertically shifted by one pixel
    822. 

  822. <li>glCopyPixels with pixel zooming now works
    823. 

  823. </ul>
    824. 

  824. 

  825. 

  826. <h2>3.2 final  April 24, 2000</h2>
    827. 

  827. Bug fixes:
    828. 

  828. <ul>
    829. 

  829. <li>fixed memcpy bugs in span.c
    830. 

  830. <li>fixed missing glEnd problem in demos/tessdemo.c
    831. 

  831. <li>fixed bug when clearing 24bpp Ximages
    832. 

  832. <li>fixed clipping problem found in Unreal Tournament
    833. 

  833. <li>fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2
    834. 

  834. <li>fixed Loki's 3dfx RGB vs BGR bug
    835. 

  835. <li>fixed Loki's 3dfx smooth/flat shading bug in SoF
    836. 

  836. </ul>
    837. 

  837. Changes:
    838. 

  838. <ul>
    839. 

  839. <li>updated docs/README file
    840. 

  840. <li>use bcopy() optimizations on FreeBSD
    841. 

  841. <li>re-enabled the optimized persp_textured_triangle() function
    842. 

  842. </ul>
    843. 

  843. 

  844. 

  845. <h2>3.2.1  July 19, 2000</h2>
    846. 

  846. Bug fixes:
    847. 

  847. <ul>
    848. 

  848. <li>gluBuild2DMipmaps() didn't accept GL_BGRA
    849. 

  849. <li>Fixed compile/makefile problems on IRIX
    850. 

  850. <li>fixed segfault in 3dfx driver when using GL selection/feedback
    851. 

  851. <li>no longer cull very, very tiny triangles
    852. 

  852. <li>blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering)
    853. 

  853. <li>fixed Motif detection code in widgets-mesa/configure.in
    854. 

  854. <li>glColorMaterial and glMaterial updates to emissive and ambient
    855. 

  855. 	  didn't always work right
    856. 

  856. <li>Specular highlights weren't always in the right place
    857. 

  857. <li>clipped GL_LINE mode polygons had interior lines appear
    858. 

  858. <li>blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken
    859. 

  859. <li>GL_NICEST fog didn't always work with flat shading
    860. 

  860. <li>glRect commands in display lists were sometimes miscolored
    861. 

  861. <li>Line Z offset didn't always work
    862. 

  862. <li>fixed texgen normal vector problem (gloss's teapot)
    863. 

  863. <li>numerous GL conformance bugs fixed
    864. 

  864. </ul>
    865. 

  865. Changes:
    866. 

  866. <ul>
    867. 

  867. <li>glColorMask(false, false, false, false) handled better/faster
    868. 

  868. <li>reverted to old GLU polygon tessellator, GLU 1.1
    869. 

  869. <li>updated Win32 build files
    870. 

  870. </ul>
    871. 

  871. 

  872. 

  873. <h2>3.3  July 21, 2000</h2>
    874. 

  874. New:
    875. 

  875. <ul>
    876. 

  876. <li>antialiased triangles now implemented
    877. 

  877. <li>GL_EXT_texture_env_add texture mode extension
    878. 

  878. <li>GLX 1.3 API
    879. 

  879. <li>support for separate draw/read buffers (ie GL_SGI_make_current_read)
    880. 

  880. <li>thread-safe API dispath
    881. 

  881. <li>improved glxinfo program
    882. 

  882. <li>demos/texdown program to measure texture download performance
    883. 

  883. <li>glext.h header file
    884. 

  884. <li>demos/geartrain program
    885. 

  885. <li>GL_EXT_texture_lod_bias extension
    886. 

  886. <li>demos/lodbias program
    887. 

  887. <li>further optimized glRead/DrawPixels for 16-bit TrueColor X visuals
    888. 

  888. <li>GLX_EXT_visual_rating extension (a no-op, however)
    889. 

  889. <li>GL_HP_occlusion_test extension (for X and OS/Mesa drivers)
    890. 

  890. <li>demos/occlude program
    891. 

  891. <li>GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions
    892. 

  892. <li>demos/pixeltex program
    893. 

  893. <li>GL_SGI_color_matrix extension
    894. 

  894. <li>GL_SGI_color_table extension
    895. 

  895. <li>GL_EXT_histogram extension
    896. 

  896. <li>GL_ARB_texture_cube_map extension
    897. 

  897. <li>added xdemos/glxheads and xdemos/manywin
    898. 

  898. <li>demos/texenv.c demo
    899. 

  899. <li>GL_EXT_texture_env_combine extension (by Holger Waechtler)
    900. 

  900. <li>Xlib driver is now thread-safe (see xdemos/glthreads)
    901. 

  901. <ul>
    902. 

  902. Bug Fixes:
    903. 

  903. </ul>
    904. 

  904. <li>various GL conformance failures fixed since 3.2.1
    905. 

  905. </ul>
    906. 

  906. Changes:
    907. 

  907. <ul>
    908. 

  908. <li>gl.h now uses #defines instead of C enums for all tokens
    909. 

  909. <li>glu.h now uses #defines instead of C enums for all tokens
    910. 

  910. <li>moved programs from 3Dfx/demos/ into demos/ directory
    911. 

  911. </ul>
    912. 

  912. 

  913. 

  914. <h2>3.4  November 3, 2000</h2>
    915. 

  915. New:
    916. 

  916. <ul>
    917. 

  917. <li>optimized glDrawPixels for glPixelZoom(1,-1)
    918. 

  918. Bug Fixes:
    919. 

  919. <li>widgets-mesa/src/*.c files were missing from 3.3 distro
    920. 

  920. <li>include/GL/mesa_wgl.h file was missing from 3.3 distro
    921. 

  921. <li>fixed some Win32 compile problems
    922. 

  922. <li>texture object priorities weren't getting initialized to 1.0
    923. 

  923. <li>glAreTexturesResident return value was wrong when using hardware
    924. 

  924. <li>glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX)
    925. 

  925. <li>glReadPixels with GLushort packed types was broken
    926. 

  926. <li>fixed a few bugs in the GL_EXT_texture_env_combine texture code
    927. 

  927. <li>glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables
    928. 

  928. <li>fixed some typos/bugs in the VB code
    929. 

  929. <li>glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work
    930. 

  930. <li>optimized glDrawPixels paths weren't being used
    931. 

  931. <li>per-fragment fog calculation didn't work without a Z buffer
    932. 

  932. <li>improved blending accuracy, fixes Glean blendFunc test failures
    933. 

  933. <li>glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly
    934. 

  934. <li>glXGetProcAddressARB() didn't always return the right address
    935. 

  935. <li>gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format
    936. 

  936. <li>texture matrix changes weren't always detected (GLUT projtex demo)
    937. 

  937. <li>fixed random color problem in vertex fog code
    938. 

  938. <li>fixed Glide-related bug that let Quake get a 24-bit Z buffer
    939. 

  939. <ul>
    940. 

  940. Changes:
    941. 

  941. </ul>
    942. 

  942. <li>finished internal support for compressed textures for DRI
    943. 

  943. </ul>
    944. 

    945. 

    946. 

  946. <h2>3.4.1  February 14, 2001</h2>
    947. 

  947. New:
    948. 

  948. <ul>
    949. 

  949. <li>fixed some Linux build problems
    950. 

  950. <li>fixed some Windows build problems
    951. 

  951. <li>GL_EXT_texture_env_dot3 extension (Gareth Hughes)
    952. 

  952. </ul>
    953. 

  953. Bug fixes:
    954. 

  954. <ul>
    955. 

  955. <li>added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI
    956. 

  956. <li>various state-update code changes needed for DRI bugs
    957. 

  957. <li>disabled pixel transfer ops in glColorTable commands, not needed
    958. 

  958. <li>fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter
    959. 

  959. <li>updated sources and fixed compile problems in widgets-mesa/
    960. 

  960. <li>GLX_PBUFFER enum value was wrong in glx.h
    961. 

  961. <li>fixed a glColorMaterial lighting bug
    962. 

  962. <li>fixed bad args to Read/WriteStencilSpan in h/w stencil clear function
    963. 

  963. <li>glXCopySubBufferMESA() Y position was off by one
    964. 

  964. <li>Error checking of glTexSubImage3D() was broken (bug 128775)
    965. 

  965. <li>glPopAttrib() didn't restore all derived Mesa state correctly
    966. 

  966. <li>Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL
    967. 

  967. 	  conformance problems at 16bpp.
    968. 

  968. <li>clearing depth buffer with scissoring was broken, would segfault
    969. 

  969. <li>OSMesaGetDepthBuffer() returned bad bytesPerValue value
    970. 

  970. <li>fixed a line clipping bug (reported by Craig McDaniel)
    971. 

  971. <li>fixed RGB color over/underflow bug for very tiny triangles
    972. 

  972. </ul>
    973. 

  973. Known problems:
    974. 

  974. <ul>
    975. 

  975. <li>NURBS or evaluator surfaces inside display lists don't always work
    976. 

  976. </ul>
    977. 

    978. 

    979. 

  979. <h2>3.4.2  May 17, 2001</h2>
    980. 

  980. Bug fixes:
    981. 

  981. <ul>
    982. 

  982. <li>deleting the currently bound texture could cause bad problems
    983. 

  983. <li>using fog could result in random vertex alpha values
    984. 

  984. <li>AA triangle rendering could touch pixels outside right window bound
    985. 

  985. <li>fixed byteswapping problem in clear_32bit_ximage() function
    986. 

  986. <li>fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam
    987. 

  987. <li>fixed memory leak in glXUseXFont()
    988. 

  988. <li>fragment sampling in AA triangle function was off by 1/2 pixel
    989. 

  989. <li>Windows: reading pixels from framebuffer didn't always work
    990. 

  990. <li>glConvolutionFilter2D could segfault or cause FP exception
    991. 

  991. <li>fixed segfaults in FX and X drivers when using tex unit 1 but not 0
    992. 

  992. <li>GL_NAND logicop didn't work right in RGBA mode
    993. 

  993. <li>fixed a memory corruption bug in vertex buffer reset code
    994. 

  994. <li>clearing the softwara alpha buffer with scissoring was broken
    995. 

  995. <li>fixed a few color index mode fog bugs
    996. 

  996. <li>fixed some bad assertions in color index mode
    997. 

  997. <li>fixed FX line 'stipple' bug #420091
    998. 

  998. <li>fixed stencil buffer clear width/height typo
    999. 

  999. <li>fixed GL error glitches in gl[Client]ActiveTextureARB()
    1000. 

  1000. <li>fixed Windows compilation problem in texutil.c
    1001. 

  1001. <li>fixed 1/8-pixel AA triangle sampling error
    1002. 

  1002. </ul>
    1003. 

  1003. Changes:
    1004. 

  1004. <ul>
    1005. 

  1005. <li>optimized writing mono-colored pixel spans to X pixmaps
    1006. 

  1006. <li>increased max viewport size to 2048 x 2048
    1007. 

  1007. </ul>
    1008. 

    1009. 

    1010. 

  1010. <h2>3.5  June 21, 2001</h2>
    1011. 

  1011. New:
    1012. 

  1012. <ul>
    1013. 

  1013. <li>internals of Mesa divided into modular pieces (Keith Whitwell)
    1014. 

  1014. <li>100% OpenGL 1.2 conformance (passes all conformance tests)
    1015. 

  1015. <li>new AA line algorithm
    1016. 

  1016. <li>GL_EXT_convolution extension
    1017. 

  1017. <li>GL_ARB_imaging subset
    1018. 

  1018. <li>OSMesaCreateContextExt() function
    1019. 

  1019. <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
    1020. 

  1020. <li>GL_MAX_TEXTURE_UNITS_ARB now defaults to eight
    1021. 

  1021. <li>GL_EXT_fog_coord extension (Keith Whitwell)
    1022. 

  1022. <li>GL_EXT_secondary_color extension (Keith Whitwell)
    1023. 

  1023. <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
    1024. 

  1024. <li>GL_SGIX_depth_texture extension
    1025. 

  1025. <li>GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions
    1026. 

  1026. <li>demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow
    1027. 

  1027. <li>GL_ARB_texture_env_combine extension
    1028. 

  1028. <li>GL_ARB_texture_env_dot3 extension
    1029. 

  1029. <li>GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp)
    1030. 

  1030. <li>OSMesaCreateContextExt() function
    1031. 

  1031. <li>libOSMesa.so library, contains the OSMesa driver interface
    1032. 

  1032. <li>GL/glxext.h header file for GLX extensions
    1033. 

  1033. <li>somewhat faster software texturing, fogging, depth testing
    1034. 

  1034. <li>all color-index conformance tests now pass (only 8bpp tested)
    1035. 

  1035. <li>SPARC assembly language TCL optimizations (David Miller)
    1036. 

  1036. <li>GL_SGIS_generate_mipmap extension
    1037. 

  1037. </ul>
    1038. 

  1038. Bug Fixes:
    1039. 

  1039. <ul>
    1040. 

  1040. <li>fbiRev and tmuRev were unitialized when using Glide3
    1041. 

  1041. <li>fixed a few color index mode conformance failures; all pass now
    1042. 

  1042. <li>now appling antialiasing coverage to alpha after texturing
    1043. 

  1043. <li>colors weren't getting clamped to [0,1] before color table lookup
    1044. 

  1044. <li>fixed RISC alignment errors caused by COPY_4UBV macro
    1045. 

  1045. <li>drawing wide, flat-shaded lines could cause a segfault
    1046. 

  1046. <li>vertices now snapped to 1/16 pixel to fix rendering of tiny triangles
    1047. 

  1047. </ul>
    1048. 

  1048. Changes:
    1049. 

  1049. <ul>
    1050. 

  1050. <li>SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU
    1051. 

  1051. <li>new libOSMesa.so library, contains the OSMesa driver interface
    1052. 

  1052. </ul>
    1053. 

    1054. 

    1055. 

  1055. <h2>4.0  October 22, 2001</h2>
    1056. 

  1056. New:
    1057. 

  1057. <ul>
    1058. 

  1058. <li>Mesa 4.0 implements the OpenGL 1.3 specification
    1059. 

  1059. <li>GL_IBM_rasterpos_clip extension
    1060. 

  1060. <li>GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp)
    1061. 

  1061. <li>GL_ARB_texture_mirrored_repeat extension
    1062. 

  1062. <li>WindML UGL driver (Stephane Raimbault)
    1063. 

  1063. <li>added OSMESA_MAX_WIDTH/HEIGHT queries
    1064. 

  1064. <li>attempted compiliation fixes for Solaris 5, 7 and 8
    1065. 

  1065. <li>updated glext.h and glxext.h files
    1066. 

  1066. <li>updated Windows driver (Karl Schultz)
    1067. 

  1067. </ul>
    1068. 

  1068. Bug fixes:
    1069. 

  1069. <ul>
    1070. 

  1070. <li>added some missing GLX 1.3 tokens to include/GL/glx.h
    1071. 

  1071. <li>GL_COLOR_MATRIX changes weren't recognized by teximage functions
    1072. 

  1072. <li>glCopyPixels with scale and bias was broken
    1073. 

  1073. <li>glRasterPos with lighting could segfault
    1074. 

  1074. <li>glDeleteTextures could leave a dangling pointer
    1075. 

  1075. <li>Proxy textures for cube maps didn't work
    1076. 

  1076. <li>fixed a number of 16-bit color channel bugs
    1077. 

  1077. <li>fixed a few minor memory leaks
    1078. 

  1078. <li>GLX context sharing was broken in 3.5
    1079. 

  1079. <li>fixed state-update bugs in glPopClientAttrib()
    1080. 

  1080. <li>fixed glDrawRangeElements() bug
    1081. 

  1081. <li>fixed a glPush/PopAttrib() bug related to texture binding
    1082. 

  1082. <li>flat-shaded, textured lines were broken
    1083. 

  1083. <li>fixed a dangling pointer problem in the XMesa code (Chris Burghart)
    1084. 

  1084. <li>lighting didn't always produce the correct alpha value
    1085. 

  1085. <li>fixed 3DNow! code to not read past end of arrays (Andrew Lewycky)
    1086. 

  1086. </ul>
    1087. 

    1088. 

    1089. 

  1089. <h2>4.0.1 December 17, 2001</h2>
    1090. 

  1090. New:
    1091. 

  1091. <ul>
    1092. 

  1092. <li>better sub-pixel sample positions for AA triangles (Ray Tice)
    1093. 

  1093. <li>slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO)
    1094. 

  1094. </ul>
    1095. 

  1095. Bug fixes:
    1096. 

  1096. <ul>
    1097. 

  1097. <li>added missing break statements in glGet*() for multisample cases
    1098. 

  1098. <li>fixed uninitialized hash table mutex bug (display lists / texobjs)
    1099. 

  1099. <li>fixed bad teximage error check conditional (bug 476846)
    1100. 

  1100. <li>fixed demos readtex.c compilation problem on Windows (Karl Schultz)
    1101. 

  1101. <li>added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT
    1102. 

  1102. <li>silence some compiler warnings (gcc 2.96)
    1103. 

  1103. <li>enable the #define GL_VERSION_1_3 in GL/gl.h
    1104. 

  1104. <li>added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h
    1105. 

  1105. <li>fixed glu.h typedef problem found with MSDev 6.0
    1106. 

  1106. <li>build libGL.so with -Bsymbolic (fixes bug found with Chromium)
    1107. 

  1107. <li>added missing 'const' to glXGetContextIDEXT() in glxext.h
    1108. 

  1108. <li>fixed a few glXGetProcAddress() errors (texture compression, etc)
    1109. 

  1109. <li>fixed start index bug in compiled vertex arrays (Keith)
    1110. 

  1110. <li>fixed compilation problems in src/SPARC/glapi_sparc.S
    1111. 

  1111. <li>fixed triangle strip "parity" bug found in VTK medical1 demo (Keith)
    1112. 

  1112. <li>use glXGetProcAddressARB in GLUT to avoid extension linking problems
    1113. 

  1113. <li>provoking vertex of flat-shaded, color-index triangles was wrong
    1114. 

  1114. <li>fixed a few display list bugs (GLUT walker, molecule, etc) (Keith)
    1115. 

  1115. <li>glTexParameter didn't flush the vertex buffer (Ray Tice)
    1116. 

  1116. <li>feedback attributes for glDraw/CopyPixels and glBitmap were wrong
    1117. 

  1117. <li>fixed bug in normal length caching (ParaView lighting bug)
    1118. 

  1118. <li>fixed separate_specular color bug found in Chimera (18 Dec 2001)
    1119. 

  1119. </ul>
    1120. 

    1121. 

    1122. 

  1122. <h2>4.0.2  April 2, 2002</h2>
    1123. 

  1123. New:
    1124. 

  1124. <ul>
    1125. 

  1125. <li>New DOS (DJGPP) driver written by Daniel Borca
    1126. 

  1126. <li>New driver interface functions for TCL drivers (such as Radeon DRI)
    1127. 

  1127. <li>GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32"
    1128. 

  1128. 	  if using deep color channels
    1129. 

  1129. <li>latest GL/glext.h and GL/glxext.h headers from SGI
    1130. 

  1130. </ul>
    1131. 

  1131. Bug fixes:
    1132. 

  1132. <ul>
    1133. 

  1133. <li>GL_BLEND with non-black texture env color wasn't always correct
    1134. 

  1134. <li>GL_REPLACE with GL_RGB texture format wasn't always correct (alpha)
    1135. 

  1135. <li>glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken
    1136. 

  1136. <li>glReadPixels was sometimes mistakenly clipped by the scissor box
    1137. 

  1137. <li>glDraw/ReadPixels didn't catch all the errors that they should have
    1138. 

  1138. <li>Fixed 24bpp rendering problem in Windows driver (Karl Schultz)
    1139. 

  1139. <li>16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c)
    1140. 

  1140. <li>Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP)
    1141. 

  1141. <li>glColorMask as sometimes effecting glXSwapBuffers()
    1142. 

  1142. <li>fixed a potential bug in XMesaGarbageCollect()
    1143. 

  1143. <li>N threads rendering into one window didn't work reliably
    1144. 

  1144. <li>glCopyPixels didn't work for deep color channels
    1145. 

  1145. <li>improved 8 -> 16bit/channel texture image conversion (Gerk Huisma)
    1146. 

  1146. <li>glPopAttrib() didn't correctly restore user clip planes
    1147. 

  1147. <li>user clip planes failed for some perspective projections (Chromium)
    1148. 

  1148. </ul>
    1149. 

  1149. Known bugs:
    1150. 

  1150. <ul>
    1151. 

  1151. <li>mipmap LOD computation
    1152. 

  1152. </ul>
    1153. 

    1154. 

    1155. 

  1155. <h2>4.0.3  June 25, 2002</h2>
    1156. 

  1156. New:
    1157. 

  1157. <ul>
    1158. 

  1158. <li>updated GL/glext.h file (version 15)
    1159. 

  1159. <li>corrected MMX blend code (Jose Fonseca)
    1160. 

  1160. <li>support for software-based alpha planes in Windows driver
    1161. 

  1161. <li>updated GGI driver (Filip Spacek)
    1162. 

  1162. </ul>
    1163. 

  1163. Bug fixes:
    1164. 

  1164. <ul>
    1165. 

  1165. <li>glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens
    1166. 

  1166. <li>OSMesaMakeCurrent() didn't recognize buffer size changes
    1167. 

  1167. <li>assorted conformance fixes for 16-bit/channel rendering
    1168. 

  1168. <li>texcombine alpha subtraction mode was broken
    1169. 

  1169. <li>fixed lighting bug with non-uniform scaling and display lists
    1170. 

  1170. <li>fixed bug when deleting shared display lists
    1171. 

  1171. <li>disabled SPARC cliptest assembly code (Mesa bug 544665)
    1172. 

  1172. <li>fixed a couple Solaris compilation/link problems
    1173. 

  1173. <li>blending clipped glDrawPixels didn't always work
    1174. 

  1174. <li>glGetTexImage() didn't accept packed pixel types
    1175. 

  1175. <li>glPixelMapu[is]v() could explode given too large of pixelmap
    1176. 

  1176. <li>glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT
    1177. 

  1177. <li>glXCopyContext() could lead to segfaults
    1178. 

  1178. <li>glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665)
    1179. 

  1179. </ul>
    1180. 

  1180. Changes:
    1181. 

  1181. <ul>
    1182. 

  1182. <li>lots of C++ (g++) code clean-ups
    1183. 

  1183. <li>lots of T&L updates for the Radeon DRI driver
    1184. 

  1184. </ul>
    1185. 

  1185. Known bugs:
    1186. 

  1186. <ul>
    1187. 

  1187. <li>mipmap LOD computation (fixed for Mesa 4.1)
    1188. 

  1188. </ul>
    1189. 

    1190. 

    1191. 

  1191. <h2>4.0.4  October 3, 2002</h2>
    1192. 

  1192. New:
    1193. 

  1193. <ul>
    1194. 

  1194. <li>GL_NV_texture_rectangle extension
    1195. 

  1195. <li>updated glext.h header (version 17)
    1196. 

  1196. <li>updated DOS driver (Daniel Borca)
    1197. 

  1197. <li>updated BeOS R5 driver (Philippe Houdoin)
    1198. 

  1198. <li>added GL_IBM_texture_mirror_repeat
    1199. 

  1199. <li>glxinfo now takes -l option to print interesting OpenGL limits info
    1200. 

  1200. <li>GL_MESA_ycbcr_texture extension
    1201. 

  1201. <li>GL_APPLE_client_storage extension (for some DRI drivers only)
    1202. 

  1202. <li>GL_MESA_pack_invert extension
    1203. 

  1203. </ul>
    1204. 

  1204. Bug fixes:
    1205. 

  1205. <ul>
    1206. 

  1206. <li>fixed GL_LINEAR fog bug by adding clamping
    1207. 

  1207. <li>fixed FP exceptions found using Alpha CPU
    1208. 

  1208. <li>3dfx MESA_GLX_FX=window (render to window) didn't work
    1209. 

  1209. <li>fixed memory leak in wglCreateContest (Karl Schultz)
    1210. 

  1210. <li>define GLAPIENTRY and GLAPI if undefined in glu.h
    1211. 

  1211. <li>wglGetProcAddress didn't handle all API functions
    1212. 

  1212. <li>when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map
    1213. 

  1213. <li>removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc()
    1214. 

  1214. <li>error checking in compressed tex image functions had some glitches
    1215. 

  1215. <li>fixed AIX compile problem in src/config.c
    1216. 

  1216. <li>glGetTexImage was using pixel unpacking instead of packing params
    1217. 

  1217. <li>auto-mipmap generation for cube maps was incorrect
    1218. 

  1218. </ul>
    1219. 

  1219. Changes:
    1220. 

  1220. <ul>
    1221. 

  1221. <li>max texture units reduced to six to accomodate texture rectangles
    1222. 

  1222. <li>removed unfinished GL_MESA_sprite_point extension code
    1223. 

  1223. </ul>
    1224. 

    1225. 

    1226. 

  1226. <h2>4.1  October 29, 2002</h2>
    1227. 

  1227. New:
    1228. 

  1228. <ul>
    1229. 

  1229. <li>GL_NV_vertex_program extension
    1230. 

  1230. <li>GL_NV_vertex_program1_1 extension
    1231. 

  1231. <li>GL_ARB_window_pos extension
    1232. 

  1232. <li>GL_ARB_depth_texture extension
    1233. 

  1233. <li>GL_ARB_shadow extension
    1234. 

  1234. <li>GL_ARB_shadow_ambient extension
    1235. 

  1235. <li>GL_EXT_shadow_funcs extension
    1236. 

  1236. <li>GL_ARB_point_parameters extension
    1237. 

  1237. <li>GL_ARB_texture_env_crossbar
    1238. 

  1238. <li>GL_NV_point_sprite extension
    1239. 

  1239. <li>GL_NV_texture_rectangle extension
    1240. 

  1240. <li>GL_EXT_multi_draw_arrays extension
    1241. 

  1241. <li>GL_EXT_stencil_two_side extension
    1242. 

  1242. <li>GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions
    1243. 

  1243. <li>GL_ATI_texture_mirror_once extension (Ian Romanick)
    1244. 

  1244. <li>massive overhaul/simplification of software rasterizer module,
    1245. 

  1245. 	  many contributions from Klaus Niederkrueger
    1246. 

  1246. <li>faster software texturing in some cases (i.e. trilinear filtering)
    1247. 

  1247. <li>new OSMesaGetProcAddress() function
    1248. 

  1248. <li>more blend modes implemented with MMX code (Jose Fonseca)
    1249. 

  1249. <li>added glutGetProcAddress() to GLUT
    1250. 

  1250. <li>added GLUT_FPS env var to compute frames/second in glutSwapBuffers()
    1251. 

  1251. <li>pbinfo and pbdemo PBuffer programs
    1252. 

  1252. <li>glxinfo -v prints transprent pixel info (Gerd Sussner)
    1253. 

  1253. </ul>
    1254. 

  1254. Bug fixes:
    1255. 

  1255. <ul>
    1256. 

  1256. <li>better mipmap LOD computation (prevents excessive blurriness)
    1257. 

  1257. <li>OSMesaMakeCurrent() didn't recognize buffer size changes
    1258. 

  1258. <li>assorted conformance fixes for 16-bit/channel rendering
    1259. 

  1259. <li>texcombine alpha subtraction mode was broken
    1260. 

  1260. <li>fixed some blend problems when GLchan==GLfloat (Gerk Huisma)
    1261. 

  1261. <li>clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma)
    1262. 

  1262. <li>fixed divide by zero error in NURBS tessellator (Jon Perry)
    1263. 

  1263. <li>fixed GL_LINEAR fog bug by adding clamping
    1264. 

  1264. <li>fixed FP exceptions found using Alpha CPU
    1265. 

  1265. <li>3dfx/glide driver render-to-window feature was broken
    1266. 

  1266. <li>added missing GLX_TRANSPARENT_RGB token to glx.h
    1267. 

  1267. <li>fixed error checking related to paletted textures
    1268. 

  1268. <li>fixed reference count error in glDeleteTextures (Randy Fayan)
    1269. 

  1269. </ul>
    1270. 

  1270. Changes:
    1271. 

  1271. <ul>
    1272. 

  1272. <li>New spec file and Python code to generate some GL dispatch files
    1273. 

  1273. <li>Glide driver defaults to "no" with autoconf/automake
    1274. 

  1274. <li>updated demos/stex3d with new options
    1275. 

  1275. </ul>
    1276. 

    1277. 

    1278. 

  1278. <h2>5.0  November 13, 2002</h2>
    1279. 

  1279. New:
    1280. 

  1280. <ul>
    1281. 

  1281. <li>OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4")
    1282. 

  1282. <li>removed some overlooked debugging code
    1283. 

  1283. <li>glxinfo updated to support GLX_ARB_multisample
    1284. 

  1284. <li>GLUT now support GLX_ARB_multisample
    1285. 

  1285. <li>updated DOS driver (Daniel Borca)
    1286. 

  1286. </ul>
    1287. 

  1287. Bug fixes:
    1288. 

  1288. <ul>
    1289. 

  1289. <li>GL_POINT and GL_LINE-mode polygons didn't obey cull state
    1290. 

  1290. <li>fixed potential bug in _mesa_align_malloc/calloc()
    1291. 

  1291. <li>fixed missing triangle bug when running vertex programs
    1292. 

  1292. <li>fixed a few HPUX compilation problems
    1293. 

  1293. <li>FX (Glide) driver didn't compile
    1294. 

  1294. <li>setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work
    1295. 

  1295. <li>a few EXT functions, like glGenTexturesEXT, were no-ops
    1296. 

  1296. <li>a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate,
    1297. 

  1297. 	  glMultiDrawArrays and glMultiDrawElements were missing
    1298. 

  1298. <li>glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken
    1299. 

  1299. <li>Pentium 4 Mobile was mistakenly identified as having 3DNow!
    1300. 

  1300. <li>fixed one-bit error in point/line fragment Z calculation
    1301. 

  1301. <li>fixed potential segfault in fakeglx code
    1302. 

  1302. <li>fixed color overflow problem in DOT3 texture env mode
    1303. 

  1303. </ul>
    1304. 

    1305. 

    1306. 

  1306. <h2>5.0.1  March 30, 2003</h2>
    1307. 

  1307. New:
    1308. 

  1308. <ul>
    1309. 

  1309. <li>DOS driver updates from Daniel Borca
    1310. 

  1310. <li>updated GL/gl_mangle.h file (Bill Hoffman)
    1311. 

  1311. Bug fixes:
    1312. 

  1312. <li>auto mipmap generation for cube maps was broken (bug 641363)
    1313. 

  1313. <li>writing/clearing software alpha channels was unreliable
    1314. 

  1314. <li>minor compilation fixes for OS/2 (Evgeny Kotsuba)
    1315. 

  1315. <li>fixed some bad assertions found with shadowtex demo
    1316. 

  1316. <li>fixed error checking bug in glCopyTexSubImage2D (bug 659020)
    1317. 

  1317. <li>glRotate(angle, -x, 0, 0) was incorrect (bug 659677)
    1318. 

  1318. <li>fixed potential segfault in texture object validation (bug 659012)
    1319. 

  1319. <li>fixed some bogus code in _mesa_test_os_sse_exception_support (Linus)
    1320. 

  1320. <li>fix fog stride bug in tnl code for h/w drivers (Michel Danzer)
    1321. 

  1321. <li>fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080)
    1322. 

  1322. <li>glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3
    1323. 

  1323. <li>fixed compilation problem on Solaris7/x86 (bug 536406)
    1324. 

  1324. <li>fixed prefetch bug in 3DNow! code (Felix Kuhling)
    1325. 

  1325. <li>fixed NeXT build problem (FABSF macro)
    1326. 

  1326. <li>glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811)
    1327. 

  1327. <li>zoomed glDraw/CopyPixels with clipping 
    1328.