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  11.   <h1>The Mesa 3D Graphics Library</h1>
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  16.  
  17. <b>
  18. NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
  19. <a href="relnotes.html">release notes</a> file.
  20. </b>
  21.  
  22.  
  23. <h1>Mesa Version History</h1>
  24.  
  25.  
  26. <h2>1.0 beta   February 1995</h2>
  27. <ul>
  28. <li>Initial release
  29. </ul>
  30.  
  31. <h2>1.1 beta   March 4, 1995</h2>
  32. Changes:
  33. <ul>
  34. <li>faster point and line drawing (2x faster)
  35. <li>more systems supported, better Makefiles
  36. <li>Renamed lib*.a files to avoid collisions
  37. <li>many small bug fixes
  38. </ul>
  39. New:
  40. <ul>
  41. <li>pseudo-GLX functions added
  42. <li>new implementation of evaluators (eval2.c)
  43. <li>GLUT support
  44. </ul>
  45.  
  46. <h2>1.1.1 beta   March 7, 1995</h2>
  47. Changes:
  48. <ul>
  49. <li>Reverted from eval2.c to eval.c due to FPE on Linux
  50. <li>more speed improvements
  51. <li>more Makefile changes
  52. </ul>
  53.  
  54. <h2>1.1.2 beta   March 14, 1995</h2>
  55. New:
  56. <ul>
  57. <li>implementation of SGI's blending extensions
  58. <li>glXUseXFont implemented
  59. <li>added MESA_DEBUG environment variable support
  60. </ul>
  61. Changes:
  62. <ul>
  63. <li>Using eval2.c again
  64. <li>more FPE-prevention checks (0-length normals are OK)
  65. <li>a few small bug fixes
  66. <li>much faster pixel logic ops!
  67. <li>faster transformation arithmetic
  68. </ul>
  69.  
  70. <h2>1.1.3 beta   March 31, 1995</h2>
  71. New:
  72. <ul>
  73. <li>gluScaleImage() and gluBuild2DMipMaps() implemented
  74. <li>Mesa widgets for Xt/Motif
  75. <li>blendEXT demos
  76. <li>added environment variables for selecting visuals
  77. </ul>
  78. Changes:
  79. <ul>
  80. <li>almost all GLUT demos work correctly now
  81. <li>faster X device driver functions
  82. <li>more bug fixes
  83. </ul>
  84.  
  85. <h2>1.1.4 beta   April 20, 1995</h2>
  86. Bug fixes:
  87. <ul>
  88. <li>missing #define SEEK_SET in src-tk/image.c
  89. <li>compile glShadeModel into display lists
  90. <li>fixed pow() domain error in src/light.c
  91. <li>fixed "flickering bitmaps" in double buffer mode
  92. <li>fixed tk.h and aux.h for C++
  93. <li>state of LIGHT_MODEL_LOCAL_VIEWER was inverted
  94. </ul>
  95. New features:
  96. <ul>
  97. <li>MUCH, MUCH nicer dithering in 8-bit RGB mode
  98. <li>updated widgets and widget demos
  99. <li>Implemented GLXPixmap functions
  100. <li>Added GLU 1.1 and GLX 1.1 functions
  101. <li>Changed the X/Mesa interface API, more versatile
  102. <li>Implemented gluPartialDisk()
  103. </ul>
  104.  
  105. <h2>1.2   May 22, 1995</h2>
  106. Bug fixes:
  107. <ul>
  108. <li>IRIX 4.x makefile problem
  109. <li>modified tk to share root colormap as needed
  110. <li>gluLookAt normalization problem
  111. <li>suppress Expose, NoExpose events in swapbuffers
  112. <li>glBitmap() and glDrawPixels() clipping
  113. </ul>
  114. New features:
  115. <ul>
  116. <li>GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture
  117.             modes implemented
  118. <li>texture maps stored more efficiently
  119. <li>texture maps can be compiled into display lists
  120. <li>Bogdan Sikorski's GLU polygon tesselation code
  121. <li>Linas Vepstas's sweep and extrusion library
  122. <li>glXCreateContext()'s shareList parameter works as it's supposed to.
  123.         XMesaCreateContext() updated to accept a shareList parameter too.
  124. <li>Mesa can be compiled with real OpenGL .h files
  125. <li>MESA_BACK_BUFFER environment variable
  126. <li>better GLX error checking
  127. </ul>
  128.  
  129. <h2>1.2.1   June 22, 1995</h2>
  130. Bug fixes:
  131. <ul>
  132. <li>X/Mesa double buffer window resize crash
  133. <li>widgets now pass PointerMotion events
  134. <li>X/Mesa incorrect default clear color and drawing color
  135. <li>more robust X MIT-SHM support in X/Mesa
  136. <li>glTexImage( format=GL_LUMINANCE ) didn't work
  137. <li>GL_LINE mode polygons with line width &gt; 1.0 could cause a crash
  138. <li>numerous feedback bugs
  139. <li>glReadPixels() from depth buffer was wrong
  140. <li>error prone depth and stencil buffer allocation
  141. New features:
  142. <li>Preliminary Microsoft Windows driver
  143. <li>Implemented a number of missing functions: glEvalCoord[12][df]v(),
  144.         glGet...(), etc.
  145. <li>Added a few missing symbols to gl.h and glu.h
  146. <li>Faster rendering of smooth-shaded, RGBA, depth-buffered polygons.
  147. <li>Faster rendering of lines when width=2.0
  148. <li>Stencil-related functions now work in display lists
  149. </ul>
  150. Changes:
  151. <ul>
  152. <li>renamed aux.h as glaux.h (MS-DOS names can't start with aux)
  153. <li>most filenames are in 8.3 format to accomodate MS-DOS
  154. <li>use GLubytes to store arrays of colors instead of GLints
  155. </ul>
  156.  
  157. <h2>1.2.2   August 2, 1995</h2>
  158. New features:
  159. <ul>
  160. <li>texture mapped points and lines
  161. <li>NURBS! (but not 100% complete)
  162. <li>viewports may safely extend beyond window boundaries
  163. <li>MESA_PRIVATE_CMAP environment variable
  164. <li>Grayscale X display support
  165. <li>two new demos:  demos/gears.c and demos/shadow.c
  166. <li>MachTen for Macintosh configuration
  167. </ul>
  168. Bug fixes:
  169. <ul>
  170. <li>glGet*(GL_DEPTH_BITS) returned bytes, not bits
  171. <li>point, line, and bitmap rasterization suffered from roundoff errors
  172. <li>fixed a division by zero error in line clippping
  173. <li>occasional wrong default background color really fixed!
  174. <li>glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work
  175. <li>gluBuild2DMipmaps malloc problem fixed
  176. <li>view volume clipping of smooth shaded lines resulted in bad colors
  177. </ul>
  178. Changes:
  179. <ul>
  180. <li>new visual selection method in glXChooseVisual()
  181. <li>improved GLU quadric functions
  182. <li>call XSync for glFinish and XFlush for glFlush
  183. <li>glVertex() calls now use a function pointer to avoid conditionals
  184. <li>removed contrib directory from Mesa tar file (available on ftp site)
  185. <li>AIX shared library support
  186. <li>Removed GLUenum type as it's not in OpenGL
  187. </ul>
  188.  
  189. <h2>1.2.3   September 26, 1995</h2>
  190. New features:
  191. <ul>
  192. <li>Mesa header files now equivalent to SGI OpenGL headers
  193. <li>Support for HP's Color Recovery dithering displays
  194. <li>Faster vertex transformation
  195. <li>Faster raster operations into X windows under certain conditions
  196. <li>New configurations:  HP w/ shared libs, Ultrix w/ GCC, Data General
  197. <li>4-bit visuals now supported
  198. </ul>
  199. Bug fixes:
  200. <ul>
  201. <li>glScissor bug fixed
  202. <li>round-off errors in clipping lines against clip planes fixed
  203. <li>byte swapping between hosts and display servers implemented
  204. <li>glGetError() can be called without a current rendering context
  205. <li>problem with accidentally culled polygons is fixed
  206. <li>fixed some widget compilation problems
  207. </ul>
  208.  
  209. <h2>1.2.4   November 17, 1995</h2>
  210. New features:
  211. <ul>
  212. <li>More speed improvements (lighting, fogging, polygon drawing)
  213. <li>Window system and OS-independent off-screen rendering
  214. <li>Preliminary Fortran bindings
  215. <li>glPolygonOffsetEXT implemented
  216. <li>glColorMask and glIndexMask now fully implemented
  217. <li>glPixelZoom implemented
  218. <li>display lists fully implemented
  219. <li>gamma correction
  220. <li>dithering in 8-bit TrueColor/DirectColor visuals
  221. </ul>
  222. Changes:
  223. <ul>
  224. <li>Improved device driver interface
  225. <li>tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk
  226. <li>Dithering support moved from core into device driver
  227. </ul>
  228. Bug fixes:
  229. <ul>
  230. <li>glEnable/Disable( GL_LIGHTING ) didn't always take effect
  231. <li>glReadPixels byte swapping was broken
  232. <li>glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken
  233. <li>duplicate glColor4b() prototype in GL/gl.h removed
  234. <li>stripes in wave -ci demo fixed
  235. <li>GL_LINEAR_MIPMAP_NEAREST had wrong value
  236. <li>bugs in HP Color Recovery support fixed
  237. <li>fixed bug when blending lines, points, bitmaps outside of window
  238. </ul>
  239.  
  240. <h2>1.2.5   November 30, 1995</h2>
  241. New Features:
  242. <ul>
  243. <li>updated MS Windows driver
  244. <li>new implementation of StaticGray/GrayScale visual support
  245. </ul>
  246. Bug fixes:
  247. <ul>
  248. <li>pixelzooming with gamma correction or blending didn't work
  249. <li>HP color recovery visual wasn't being picked by glXChooseVisual
  250. <li>glClear didn't always observe glColorMask changes
  251. <li>olympic and offset demos didn't compile on some Suns
  252. <li>texcoord clamping wasn't correct
  253. <li>a polygon optimization introduced an occasional sampling problem
  254. </ul>
  255.  
  256. <h2>1.2.6   January 26, 1996</h2>
  257. New Features:
  258. <ul>
  259. <li>faster line and polygon rendering under certain conditions.  See
  260.           Performance Tips 9 and 10 in README
  261. <li>profiling
  262. <li>lighting is a bit faster
  263. <li>better perspective corrected texture mapping
  264. <li>Amiga AmiWin (X11) support
  265. <li>preliminary Linux SVGA driver
  266. Changes:
  267. <li>now using a 16-bit depth buffer, faster, smaller
  268. <li>GL_NORMALIZE is disabled by default
  269. </ul>
  270. Bug fixes:
  271. <ul>
  272. <li>projective texture mapping
  273. <li>fixed a memory leak in the context destroy function
  274. <li>GL_POLYGON with less than 3 vertices caused a crash
  275. <li>glGet*() returned wrong result for GL_INDEX_MODE
  276. <li>reading pixels from an unmapped X window caused a BadMatch error
  277. </ul>
  278.  
  279. <h2>1.2.7   March 5, 1996</h2>
  280. New:
  281. <ul>
  282. <li>faster lighting
  283. <li>faster 16-bit TrueColor rendering on Linux
  284. <li>faster 32-bit TrueColor rendering on Linux, HP, IBM
  285. <li>non-depth-buffered XImage polygons are faster
  286. <li>vertex array extension
  287. <li>software alpha planes
  288. <li>updated Macintosh driver
  289. <li>new NeXT driver
  290. <li>GLU quadric functions generate texture coordinates
  291. <li>reflect.c demo - reflective, textured surface demo
  292. </ul>
  293. Changes:
  294. <ul>
  295. <li>gamma correction code moved into the X driver for better performance
  296. </ul>
  297. Bug fixes:
  298. <ul>
  299. <li>multiple glClipPlane()'s didn't work reliably
  300. <li>glPolygonMode() didn't always work
  301. <li>glCullFace( GL_FRONT_AND_BACK ) didn't work
  302. <li>texture mapping with gamma correction was buggy
  303. <li>floating point exceptions in texture coordinate interpolation
  304. <li>XImage byte swapping didn't always work
  305. <li>polygon edge flags weren't always used correctly
  306. </ul>
  307.  
  308. <h2>1.2.8   May 22, 1996</h2>
  309. New:
  310. <ul>
  311. <li>overlay planes on X servers with the SERVER_OVERLAY_VISUALS property
  312. <li>better monochrome output
  313. <li>more IRIX 6.x configurations
  314. <li>more robust RGB mode color allocation
  315. <li>added MESA_XSYNC environment variable
  316. <li>GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions
  317. <li>GL_MESA_window_pos extension
  318. <li>faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT
  319.         and GL_UNSIGNED_INT
  320. <li>driver for prototype Cirrus Mondello 3-D board
  321. <li>updated AmigaDOS driver
  322. <li>a few small speed optimizations in polygon rendering
  323. </ul>
  324. Changes:
  325. <ul>
  326. <li>internal device driver interface modified to simplify device
  327.           driver implementations and to support hardware Z buffers
  328. <li>several changes to the X/Mesa interface (xmesa.h)
  329. </ul>
  330. Bug fixes:
  331. <ul>
  332. <li>fixed pow(0,0) domain error triggered on some systems
  333. <li>glStencilClear() in a display list caused an infinite loop
  334. <li>glRasterPos*() was sometimes off by +/-0.5 in X and Y
  335. <li>color masking and blending were performed in wrong order
  336. <li>auxSolidCylinder() sometimes drew a wire-frame cylinder
  337. <li>fixed file writing bug in osdemo.c
  338. <li>pixel mapping didn't always work
  339. <li>the GL_GEQUAL stencil func didn't work
  340. <li>the GL_INVERT stencil op didn't work
  341. <li>the stencil write mask didn't work
  342. <li>glPush/PopAttrib() didn't do enough error checking
  343. <li>glIsList() didn't always work correctly
  344. </ul>
  345.  
  346. <h2>2.0  October 10, 1996</h2>
  347. New:
  348. <ul>
  349. <li>Implements OpenGL 1.1 API functions
  350. <li>all texture filtering modes supported (mipmapping)
  351. <li>faster texture mapping, see Performance Tip 11 in README
  352. <li>antialiased RGB points
  353. <li>X support for line and polygon stippling
  354. <li>glDrawBuffer( GL_FRONT_AND_BACK ) works
  355. <li>util/ directory of useful stuff
  356. <li>demos/texobj demo of texture objects
  357. </ul>
  358. Changes:
  359. <ul>
  360. <li>major internal changes for thread-safeness
  361. <li>new device driver interface
  362. <li>MESA_ALPHA env variable removed
  363. <li>triangle rasterizer replaces polygon rasterizer
  364. </ul>
  365. Bug fixes:
  366. <ul>
  367. <li>glPopAttrib() bug
  368. <li>glDrawBuffer(GL_NONE) works now
  369. </ul>
  370.  
  371. <h2>2.1  December 14, 1996</h2>
  372. New:
  373. <ul>
  374. <li>VMS support
  375. <li>MS-DOS driver
  376. <li>OpenStep support
  377. <li>updated, combined Windows 95/NT driver
  378. <li>implemented glGetLighti() and glGetTexGen*()
  379. <li>GLX does garbage collection of ancillary buffers
  380. </ul>
  381. Bug fixes:
  382. <ul>
  383. <li>removed unused _EXT constants from gl.h
  384. <li>fixed polygon offset bugs
  385. <li>Z coordinates of clipped lines were incorrect
  386. <li>glEdgeFlag() in display lists didn't always work
  387. <li>glLight*() in display lists didn't work
  388. <li>fixed X line stipple bugs (Michael Pichler)
  389. <li>glXUseXfonts XFreeFont/XFreeFontInfo bug fixed
  390. <li>fixed a feedback bug
  391. <li>glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix
  392. <li>polygons were sometimes culled instead of clipped
  393. <li>triangle rasterizer suffered from float/int overflow exceptions
  394. <li>fixed FP underflow exception in lighting (specular exponent)
  395. <li>glEnable/glDisable of GL_EXT_vertex_array enums didn't work
  396. <li>fixed free(NULL) in GLU tesselator code
  397. <li>using 24-bit color on some X servers resulted in garbage rendering
  398. <li>32-bit per pixel mode for XFree86 now works
  399. <li>glRotate(a,0,0,0) gave unpredictable results
  400. <li>GL_LINE_STRIP with &gt; 480 vertices had occasional clipping problems
  401. <li>8-bit TrueColor GLXPixmap rendering incorrectly required a colormap
  402. <li>glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled
  403. <li>glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right
  404. <li>accumulation buffer was limited to positive values
  405. <li>projective textures didn't work
  406. <li>selection buffer overflows weren't handled correctly
  407. </ul>
  408. Changes:
  409. <ul>
  410. <li>restored the GL_EXT_polygon_offset extension
  411. <li>slightly faster RGB dithering
  412. <li>the SVGA driver works again
  413. <li>Amiga driver now distributed separately
  414. <li>NeXT driver updated for Mesa 2.x
  415. </ul>
  416.  
  417. <h2>2.2  March 14, 1997</h2>
  418. New:
  419. <ul>
  420. <li>better color selection when dithering
  421. <li>added GL_EXT_texture_object extension
  422. <li>updated MS-DOS driver for DJGPP
  423. <li>added openbsd make configuration
  424. <li>faster dithered flat-shaded triangles
  425. <li>various compilation problems with Motif widgets fixed
  426. <li>gl.h, glx.h and glu.h name mangling option
  427. <li>BeOS driver
  428. <li>3D texture mapping extension
  429. <li>GL_MESA_resize_buffers extension
  430. <li>morph3d, stex3d and spectex demos
  431. <li>3Dfx support
  432. </ul>
  433. Bug fixes:
  434. <ul>
  435. <li>glColorMaterial should finally work right in all respects
  436. <li>linear interpolation of mipmap levels was incorrectly weighted
  437. <li>readpix.c didn't compile on Macintosh
  438. <li>GL_INVERT and related logic ops didn't work right
  439. <li>glTexImage[12]D() didn't check its parameters consistantly
  440. <li>fixed a memory leak in glTexImage[12]D()
  441. <li>kludged around a SunOS 5.x/GCC compiler bug in the feedback code
  442. <li>glReadPixels aborted instead of normally catching some errors
  443. <li>a few 1.1 constants were missing or misnamed in gl.h
  444. <li>glBegin(p); glBegin(q); didn't generate an error
  445. <li>fixed a memory leak in GLX code
  446. <li>clipping of concave polygons could cause a core dump
  447. <li>1-component alpha texture maps didn't work
  448. <li>fixed a GLU polygon tesselator bug
  449. <li>polygons with colinear vertices were sometimes culled
  450. <li>feedback triangle colors were wrong when using smooth shading
  451. <li>textures with borders didn't work correctly
  452. <li>colors returned in feedback mode were wrong when using lighting
  453. <li>spotlights didn't effect ambient lighting correctly
  454. <li>gluPartialDisk() had a few bugs
  455. </ul>
  456. Changes:
  457. <ul>
  458. <li>device driver interface expanded to support texture mapping
  459. <li>faster matrix inversion subroutine
  460. <li>commented out #include "wmesa_extend.h" from src/wmesa.c
  461. <li>fixed many compiler warnings in the demo programs
  462. </ul>
  463.  
  464. <h2>2.3  June 30, 1997</h2>
  465. New:
  466. <ul>
  467. <li>Mesa distribution divided into two pieces:  library code and demos
  468. <li>faster vertex transformation, clip testing, lighting
  469. <li>faster line drawing
  470. <li>TrueColor visuals how have dithering (for depths < 24 bits)
  471. <li>added MESA_NO_DITHER environment variable
  472. <li>new device driver function: NearFar(), RenderVB(), RasterSetup()
  473. <li>added LynxOS configuration
  474. <li>added cygnus Win32 configuration
  475. <li>added texcyl.c GLUT demo
  476. <li>added XMesaDitherColor() to X/Mesa interface
  477. <li>new NURBS code from Bogdan Sikorski
  478. <li>added demos/shape.c (non-rectangular X window!)
  479. </ul>
  480. Bug fixes:
  481. <ul>
  482. <li>glEnable/DisableClientState() were missing from GL/gl.h
  483. <li>GL_SPHERE_MAP texcoord generation didn't work correctly
  484. <li>glXGetConfig() returned wrong number of depth, stencil, accum bits
  485. <li>glDrawPixels feedback/selection didn't examine RasterPos valid bit
  486. <li>black and white were reversed on some monochrome displays
  487. <li>fixed potential image memory leak (wasn't setting reference counter)
  488. <li>glDrawPixels sometimes didn't recognize some GL state changes
  489. <li>gluProject/UnProject() didn't check for divide by zero
  490. <li>stex3d demo called random() and srandom(), not portable
  491. <li>fixed memory leaks in context.c and drawpix.c
  492. <li>fixed NULL dereferencing problem in gl_update_texture_state()
  493. <li>glReadPixels between glBegin/glEnd didn't generate an error.
  494. <li>fixed memory leak in polygon tesselator (Randy Frank)
  495. <li>fixed seg fault bug drawing flat-shaded, depth-tested lines
  496. <li>clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded
  497. <li>glBindTexture sometimes didn't work
  498. <li>fixed a bug deep in glXReleaseBuffersMESA()
  499. <li>fog was mistakenly applied to alpha
  500. <li>glPopMatrix didn't set "dirty matrix" flag
  501. <li>glPolygonStipple pattern was sometimes wrong
  502. <li>glClear wasn't disabled during feedback and selection
  503. <li>fixed memory leak in glTexSubImage[123]D
  504. </ul>
  505. Changes:
  506. <ul>
  507. <li>many library source files reorganized
  508. <li>faster X color allocation, colors also freed when finished with them
  509. <li>new texture sampling function pointer in texture objects
  510. <li>incorporated 3Dfx VooDoo driver v0.16 into main source tree
  511. <li>many 3Dfx driver updates
  512. <li>cygnus Makefiles now included
  513. <li>updated DOS driver
  514. <li>made a few changes to dosmesa.c and wmesa.c (VB-&gt;Unclipped)
  515. <li>internally, colors now stored in GLubytes, not GLfixed
  516. <li>optimized changing of GL_SHININESS parameter
  517. </ul>
  518.  
  519. <h2>2.4  September 18, 1997</h2>
  520. New:
  521. <ul>
  522. <li>updated 3Dfx Glide driver
  523. <li>hacks for 3Dfx rendering into an X window or fullscreen
  524. <li>added depth buffer access functions to X/Mesa and OS/Mesa interfaces
  525. </ul>
  526. Bug fixes:
  527. <ul>
  528. <li>pixel buffer could overflow with long, wide lines
  529. <li>fixed FP underflow problems in lighting
  530. <li>glTexSubImage1D() had an unitialized variable
  531. <li>incomplete texture objects could cause a segfault
  532. <li>glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop
  533. <li>flat-shaded quads in a strip were miscolored if clipped
  534. <li>mipmapped triangle lod computation now works correctly
  535. <li>fixed a few under/overflow bugs in triangle rasterizer
  536. <li>glArrayElement() assigned bad normal if normal array disabled
  537. <li>changed argument to glXReleaseBuffersMESA()
  538. <li>fixed small triangle underflow bugs in tritemp.h (hopefully)
  539. <li>glBindTexture(target, 0) caused a crash
  540. <li>glTexImage[123]D() with NULL image pointer caused crash
  541. <li>glPixelStore parameters are now ignored during display list execution
  542. <li>fixed a two-sided lighting w/ clipping bug (black vertices)
  543. <li>textures with width!=height were sometimes mis-rendered
  544. <li>"weird" projection matrices could cause div by 0, other fp errors
  545. </ul>
  546. Changes:
  547. <ul>
  548. <li>changed precompiled header symbol from PCH to PC_HEADER
  549. <li>split api.c into api1.c and api2.c
  550. <li>added hash.c source file (but not used yet)
  551. <li>a few Sun and HP configuration file changes
  552. <li>MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN
  553. <li>fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c)
  554. </ul>
  555.  
  556. <h2>2.5  November 20, 1997</h2>
  557. New:
  558. <ul>
  559. <li>updated 3Dfx driver (v20) for GLQuake
  560. <li>added GL_EXT_paletted_texture extension
  561. <li>added GL_EXT_shared_texture_palette extension
  562. <li>added GL_EXT_point_parameters extension
  563. <li>now including Mark Kilgard's GLUT library v3.6
  564. <li>new GLUT-based demos in gdemos/
  565. <li>added a few more Unix config targets
  566. <li>added Intel X86 assembly language vertex transformation code
  567. <li>3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var
  568. <li>Windows 95 S3 Virge driver
  569. </ul>
  570. Bug fixes:
  571. <ul>
  572. <li>glCopyTexImage?D would crash due to uninitialized variable
  573. <li>glColor w/ glColorMaterial in a display list caused a bug
  574. <li>fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver
  575. <li>glVertex4*() vertices weren't always projected correctly
  576. <li>trying to use mipmapped textured points or lines caused crash
  577. <li>glColor[34][fd]() values now clamped to [0,1] before int conversion
  578. </ul>
  579. Changes:
  580. <ul>
  581. <li>new device driver functions for texture mapping
  582. <li>hash tables used for display list and texture object lookup
  583. <li>fixed GLX visual handling code to avoid saving redundant visuals
  584. <li>3Dfx Glide libraries automatically linked to libMesaGL.so
  585. <li>dropped the Cirrus Logic Mondello code since it's obsolete
  586. <li>updated Cygnus Makefiles (Stephane Rehel)
  587. <li>updated Windows MSVC++ Makefiles (Oleg Letsinsky)
  588. <li>procedure for making library files has changed: scripts now take
  589.         a major and minor version arguments.  Make-config changed a lot.
  590. <li>new implementation of glTexSubImage2D()
  591. <li>updated widgets-mesa directory to create libMesaGLwM.a (Motif widget)
  592. <li>separate linux-glide and linux-386-glide configurations
  593. </ul>
  594.  
  595. <h2>2.6  February 12, 1998</h2>
  596. New:
  597. <ul>
  598. <li>Windows WGL functions
  599. <li>updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support
  600. <li>v0.22 of 3Dfx Glide driver
  601. <li>more X86 assembly language optimizations
  602. <li>faster blending for some modes
  603. <li>XMesaSetFXmode() to switch between 3Dfx window and full-screen mode
  604. <li>added preliminary thread support
  605. <li>added GLX_MESA_copy_sub_buffer extension
  606. <li>some clipping optimizations
  607. </ul>
  608. Bug fixes:
  609. <ul>
  610. <li>fixed shading/material bug when drawing long primitive strips
  611. <li>fixed clipping problem in long primitive strips
  612. <li>fixed clipping bug when using 3Dfx driver
  613. <li>fixed a problem when trying to use X fonts w/ 3Dfx driver
  614. <li>fixed a texture filter bug in 3Dfx/Glide driver
  615. <li>fixed bug in 3Dfx/Glide driver involving depth mask &amp; clearing
  616. <li>glLoadMatrix to set projection matrix confused the 3Dfx driver
  617. <li>non-identity texture matrices didn't work with linux-386 configs
  618. <li>glGenTextures() didn't reserve the returned texture IDs
  619. <li>NULL proxy image sent to glTexImageXD() caused crash
  620. <li>added texture state validation optimization (Henk Kok)
  621. <li>fixed colormap reuse problem when using both RGB and CI windows
  622. <li>32bpp True/DirectColor X visuals weren't recognized
  623. <li>fixed potential problem in evaluators memory allocation
  624. <li>fixed assorted demo compilation bugs
  625. </ul>
  626. Changes:
  627. <ul>
  628. <li>replaced old Mesa/windows/ directory with Mesa/WIN32/ directory
  629. <li>converted a few old glaux/gltk demos to GLUT
  630. <li>renamed directories:  demos -&gt; xdemos,  gdemos -&gt; demos
  631. </ul>
  632.  
  633.  
  634. <h2>3.0  September 17, 1998</h2>
  635. New:
  636. <ul>
  637. <li>OpenGL 1.2 API
  638. <li>GL_EXT_abgr pixel format extension
  639. <li>GL_SGIS_texture_edge_clamp extension
  640. <li>GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex)
  641. <li>GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex)
  642. <li>GL_EXT_rescale_normal extension and renormal.c demo
  643. <li>GLX_SGI_video_sync extension (a no-op)
  644. <li>antialiased lines
  645. <li>glGetTexImage() now implemented
  646. <li>glDraw/Copy/ReadPixels() optimizations
  647. <li>optimized textured triangle code (Marten Stromberg)
  648. <li>more optimization of dithered TrueColor triangles in X driver
  649. <li>Linux GGI driver
  650. <li>updated MGL driver
  651. </ul>
  652. Bug fixes:
  653. <ul>
  654. <li>lots of assorted compilation fixes
  655. <li>glInitNames didn't write initial hit record
  656. <li>glBitmap didn't always check for invalid raster position
  657. <li>switching between GLX and OSMesa contexts caused a crash
  658. <li>fixed uninitialized variable in Mesa widget code
  659. <li>fixed typo in texture code which caused book/texgen to crash
  660. <li>fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP
  661. <li>gluDisk() in POINT or LINE mode sometimes failed
  662. <li>fixed texture + fog bug
  663. <li>GL_COMPILE_AND_EXECUTE mode didn't work reliably
  664. <li>glMultMatrix in projection matrix mode w/ 3Dfx driver could fail
  665. <li>glDrawPixels(color index pixels) weren't converted to RGBA
  666. <li>fixed possible getenv() buffer overflow security bug
  667. <li>glBitmap in feedback mode was offset by xOrig, yOrig params
  668. <li>device driver's DrawPixels hook was never used
  669. <li>glDrawPixels with zoomY!=1 and top/bottom clipping didn't work
  670. <li>glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte
  671. <li>fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c
  672. <li>glCopyTexSubImage2D() didn't work with 3Dfx driver
  673. <li>lines with width = 2 could cause crash
  674. <li>glClear with scissor rect sometimes cleared whole buffer
  675. <li>glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work
  676. <li>glTexImageXD( .. GL_ABGR_EXT .. ) didn't work
  677. <li>computation of inverse modelview matrix sometimes failed
  678. <li>fixed GL_CLAMP mode texture sampling bug
  679. <li>textured line interpolation was somewhat broken
  680. <li>textured triangle interpolation was also somewhat broken
  681. <li>glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one
  682. <li>evaluator state wasn't fully initialized
  683. <li>texture coordinate clipping was buggy
  684. <li>evaluator surfaces could be mis-colored
  685. <li>glAccum(GL_RETURN, s) didn't obey glColorMask() settings
  686. <li>zero area polygons shouldn't be culled if polygon mode is point/line
  687. <li>clipped width and height of glReadPixels was sometimes off by one
  688. <li>blending with alpha = 0 or 1.0 wasn't always exact
  689. <li>reading of pixels from clipped region was buggy
  690. <li>minor tweaking of X visual management in GLX emulator
  691. <li>glPolygonStipple now obeys pixel unpacking parameters
  692. <li>glGetPolygonStipple now obeys pixel packing parameters
  693. <li>interleaved vertex array texture coordinates were broken
  694. <li>query of proxy texture internal format was broken
  695. <li>alpha channel wasn't reliably cleared
  696. <li>fixed divide by zero error in gluScaleImage if dest size = 1 x 1
  697. </ul>
  698. Conformance bug fixes:
  699. <ul>
  700. <li>GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing
  701. <li>GL_TEXTURE_INTERNAL_FORMAT was missing
  702. <li>glGet*(GL_POLYGON_STIPPLE) was broken
  703. <li>glPush/PopAttrib() didn't save/restore all texture state
  704. <li>glBitmap in feedback mode didn't work
  705. <li>feedback of texture coords didn't always work
  706. <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke
  707. <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke
  708. <li>glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke
  709. </ul>
  710. Changes:
  711. <ul>
  712. <li>upgraded GLUT to version 3.7
  713. <li>only GL and GLU library code included in MesaLib.tar.gz
  714. <li>GLUT and all demos now in MesaDemos.tar.gz
  715. <li>glaux and gltk libraries removed
  716. <li>IRIX -n32 and -64 libs go in lib32/ and lib64/ directories
  717. </ul>
  718.  
  719.  
  720. <h2>3.1 beta 1  November 19, 1998</h2>
  721. New:
  722. <ul>
  723. <li>GL_EXT_stencil_wrap extension
  724. <li>GL_INGR_blend_func_separate extension
  725. <li>GL_ARB_multitexture extension
  726. <li>GL_NV_texgen_reflection extension
  727. <li>newly optimized vertex transformation code
  728. <li>updated GLUT 3.7 code
  729. <li>better precision when using 32-bit Z buffer
  730. <li>Allegro DJGPP driver
  731. </ul>
  732. Bug fixes:
  733. <ul>
  734. <li>glCopyPixels between front/back buffers didn't copy alpha correctly
  735. <li>fixed out-of-bounds memory access in optimized 2-D texture code
  736. <li>glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter
  737. <li>glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter
  738. <li>clipping of texture coordinates sometimes had bad R,Q values
  739. <li>GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels
  740. <li>glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean *
  741. <li>texture was sometimes applied twice with 3Dfx driver
  742. <li>glPush/PopAttrib() fouled up texture object reference counts
  743. <li>glDeleteLists(0, n) caused assertion failure
  744. <li>bilinear texture sampling wasn't accurate enough
  745. <li>glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx
  746. <li>color components were reversed on big endian 32 bpp X visuals
  747. </ul>
  748. Changes:
  749. <ul>
  750. <li>removed GL_EXT_multitexture extension
  751. </ul>
  752.  
  753.  
  754. <h2>3.1 beta 2  May 24, 1999</h2>
  755. New:
  756. <ul>
  757. <li>multi-textured points and lines (mjk@nvidia.com)
  758. <li>optimized 24bpp X rendering (bernd.paysan@gmx.de)
  759. <li>added allegro support (bernie-t@geocities.com)
  760. <li>cleaned-up Windows-related stuff (Ted Jump)
  761. <li>minor stereo changes (KendallB@scitechsoft.com)
  762. <li>new BeOS driver which implements BGLView class
  763. <li>new Direct3D driver (see src/D3D)
  764. <li>more efficient filled gluCylinder() function
  765. <li>utilities:  util/showbuffer.[ch] and util/glstate.[ch]
  766. <li>fixed some IRIX compiler warnings
  767. <li>added support for building Mesa in XFree86 with
  768.         SGI's GLX (kevin@precisioninsight.com)
  769. </ul>
  770. Bug fixes:
  771. <ul>
  772. <li>a variety of Windows/Mesa bug fixes (mjk@nvidia.com)
  773. <li>packed pixel images weren't unpacked correctly
  774. <li>patches some win32 files in GLUT (mjk@nvidia.com)
  775. <li>glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX
  776. <li>fixed lighting bug in Keith's new shading code
  777. <li>fixed texture segfault seen in Lament screensaver
  778. <li>fixed miscellaneous low-memory bugs
  779. <li>glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken
  780. <li>GL_LINEAR sampling of 3D textures was broken
  781. <li>fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org)
  782. <li>added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk)
  783. <li>fixed wide point and wide line conformance bugs (brianp)
  784. </ul>
  785. Changes:
  786. <ul>
  787. <li>some device driver changes (see src/dd.h)
  788. <li>new copyright on core Mesa code
  789. </ul>
  790.  
  791.  
  792. <h2>3.1 beta 3  September 17, 1999</h2>
  793. New:
  794. <ul>
  795. <li>optimized glAccum function
  796. <li>optimized 24bpp rendering in XMesa driver
  797. <li>GLU 1.2 polygon tessellator
  798. </ul>
  799. Bug Fixes:
  800. <ul>
  801. <li>glGetTexLevelParameter wasn't fully implemented
  802. <li>glXUseXFont now handles multi-byte fonts
  803. <li>glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result
  804. <li>alpha channel of blending points, lines was sometimes incorrect
  805. </ul>
  806. Changes:
  807. <ul>
  808. <li>New library names:  "libGL" instead of "libMesaGL"
  809. <li>New library numbering: libGL.so.1.2.310
  810. <li>New subdirectories:  docs/ and bin/
  811. <li>New Makefile-system (autoconf,automake,libtool)
  812. </ul>
  813.  
  814.  
  815. <h2>3.1 final  December 14, 1999</h2>
  816. New:
  817. <ul>
  818. <li>added demos/gloss.c
  819. <li>added xdemos/glxdpyinfo.c
  820. <li>added GLX_ARB_get_proc_address extension
  821. <li>rewritten glTexImage code paths (faster, less memory, bug fixes)
  822. </ul>
  823. Bug Fixes:
  824. <ul>
  825. <li>several vertex array bug fixes
  826. <li>overlapping glCopyPixels with pixel zooming now works
  827. <li>glXUseXFont() bitmaps were vertically shifted by one pixel
  828. <li>glCopyPixels with pixel zooming now works
  829. </ul>
  830.  
  831.  
  832. <h2>3.2 final  April 24, 2000</h2>
  833. Bug fixes:
  834. <ul>
  835. <li>fixed memcpy bugs in span.c
  836. <li>fixed missing glEnd problem in demos/tessdemo.c
  837. <li>fixed bug when clearing 24bpp Ximages
  838. <li>fixed clipping problem found in Unreal Tournament
  839. <li>fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2
  840. <li>fixed Loki's 3dfx RGB vs BGR bug
  841. <li>fixed Loki's 3dfx smooth/flat shading bug in SoF
  842. </ul>
  843. Changes:
  844. <ul>
  845. <li>updated docs/README file
  846. <li>use bcopy() optimizations on FreeBSD
  847. <li>re-enabled the optimized persp_textured_triangle() function
  848. </ul>
  849.  
  850.  
  851. <h2>3.2.1  July 19, 2000</h2>
  852. Bug fixes:
  853. <ul>
  854. <li>gluBuild2DMipmaps() didn't accept GL_BGRA
  855. <li>Fixed compile/makefile problems on IRIX
  856. <li>fixed segfault in 3dfx driver when using GL selection/feedback
  857. <li>no longer cull very, very tiny triangles
  858. <li>blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering)
  859. <li>fixed Motif detection code in widgets-mesa/configure.in
  860. <li>glColorMaterial and glMaterial updates to emissive and ambient
  861.           didn't always work right
  862. <li>Specular highlights weren't always in the right place
  863. <li>clipped GL_LINE mode polygons had interior lines appear
  864. <li>blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken
  865. <li>GL_NICEST fog didn't always work with flat shading
  866. <li>glRect commands in display lists were sometimes miscolored
  867. <li>Line Z offset didn't always work
  868. <li>fixed texgen normal vector problem (gloss's teapot)
  869. <li>numerous GL conformance bugs fixed
  870. </ul>
  871. Changes:
  872. <ul>
  873. <li>glColorMask(false, false, false, false) handled better/faster
  874. <li>reverted to old GLU polygon tessellator, GLU 1.1
  875. <li>updated Win32 build files
  876. </ul>
  877.  
  878.  
  879. <h2>3.3  July 21, 2000</h2>
  880. New:
  881. <ul>
  882. <li>antialiased triangles now implemented
  883. <li>GL_EXT_texture_env_add texture mode extension
  884. <li>GLX 1.3 API
  885. <li>support for separate draw/read buffers (ie GL_SGI_make_current_read)
  886. <li>thread-safe API dispath
  887. <li>improved glxinfo program
  888. <li>demos/texdown program to measure texture download performance
  889. <li>glext.h header file
  890. <li>demos/geartrain program
  891. <li>GL_EXT_texture_lod_bias extension
  892. <li>demos/lodbias program
  893. <li>further optimized glRead/DrawPixels for 16-bit TrueColor X visuals
  894. <li>GLX_EXT_visual_rating extension (a no-op, however)
  895. <li>GL_HP_occlusion_test extension (for X and OS/Mesa drivers)
  896. <li>demos/occlude program
  897. <li>GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions
  898. <li>demos/pixeltex program
  899. <li>GL_SGI_color_matrix extension
  900. <li>GL_SGI_color_table extension
  901. <li>GL_EXT_histogram extension
  902. <li>GL_ARB_texture_cube_map extension
  903. <li>added xdemos/glxheads and xdemos/manywin
  904. <li>demos/texenv.c demo
  905. <li>GL_EXT_texture_env_combine extension (by Holger Waechtler)
  906. <li>Xlib driver is now thread-safe (see xdemos/glthreads)
  907. </ul>
  908. Bug Fixes:
  909. <ul>
  910. <li>various GL conformance failures fixed since 3.2.1
  911. </ul>
  912. Changes:
  913. <ul>
  914. <li>gl.h now uses #defines instead of C enums for all tokens
  915. <li>glu.h now uses #defines instead of C enums for all tokens
  916. <li>moved programs from 3Dfx/demos/ into demos/ directory
  917. </ul>
  918.  
  919.  
  920. <h2>3.4  November 3, 2000</h2>
  921. New:
  922. <ul>
  923. <li>optimized glDrawPixels for glPixelZoom(1,-1)
  924. Bug Fixes:
  925. <li>widgets-mesa/src/*.c files were missing from 3.3 distro
  926. <li>include/GL/mesa_wgl.h file was missing from 3.3 distro
  927. <li>fixed some Win32 compile problems
  928. <li>texture object priorities weren't getting initialized to 1.0
  929. <li>glAreTexturesResident return value was wrong when using hardware
  930. <li>glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX)
  931. <li>glReadPixels with GLushort packed types was broken
  932. <li>fixed a few bugs in the GL_EXT_texture_env_combine texture code
  933. <li>glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables
  934. <li>fixed some typos/bugs in the VB code
  935. <li>glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work
  936. <li>optimized glDrawPixels paths weren't being used
  937. <li>per-fragment fog calculation didn't work without a Z buffer
  938. <li>improved blending accuracy, fixes Glean blendFunc test failures
  939. <li>glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly
  940. <li>glXGetProcAddressARB() didn't always return the right address
  941. <li>gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format
  942. <li>texture matrix changes weren't always detected (GLUT projtex demo)
  943. <li>fixed random color problem in vertex fog code
  944. <li>fixed Glide-related bug that let Quake get a 24-bit Z buffer
  945. </ul>
  946. Changes:
  947. <ul>
  948. <li>finished internal support for compressed textures for DRI
  949. </ul>
  950.  
  951.  
  952. <h2>3.4.1  February 14, 2001</h2>
  953. New:
  954. <ul>
  955. <li>fixed some Linux build problems
  956. <li>fixed some Windows build problems
  957. <li>GL_EXT_texture_env_dot3 extension (Gareth Hughes)
  958. </ul>
  959. Bug fixes:
  960. <ul>
  961. <li>added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI
  962. <li>various state-update code changes needed for DRI bugs
  963. <li>disabled pixel transfer ops in glColorTable commands, not needed
  964. <li>fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter
  965. <li>updated sources and fixed compile problems in widgets-mesa/
  966. <li>GLX_PBUFFER enum value was wrong in glx.h
  967. <li>fixed a glColorMaterial lighting bug
  968. <li>fixed bad args to Read/WriteStencilSpan in h/w stencil clear function
  969. <li>glXCopySubBufferMESA() Y position was off by one
  970. <li>Error checking of glTexSubImage3D() was broken (bug 128775)
  971. <li>glPopAttrib() didn't restore all derived Mesa state correctly
  972. <li>Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL
  973.           conformance problems at 16bpp.
  974. <li>clearing depth buffer with scissoring was broken, would segfault
  975. <li>OSMesaGetDepthBuffer() returned bad bytesPerValue value
  976. <li>fixed a line clipping bug (reported by Craig McDaniel)
  977. <li>fixed RGB color over/underflow bug for very tiny triangles
  978. </ul>
  979. Known problems:
  980. <ul>
  981. <li>NURBS or evaluator surfaces inside display lists don't always work
  982. </ul>
  983.  
  984.  
  985. <h2>3.4.2  May 17, 2001</h2>
  986. Bug fixes:
  987. <ul>
  988. <li>deleting the currently bound texture could cause bad problems
  989. <li>using fog could result in random vertex alpha values
  990. <li>AA triangle rendering could touch pixels outside right window bound
  991. <li>fixed byteswapping problem in clear_32bit_ximage() function
  992. <li>fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam
  993. <li>fixed memory leak in glXUseXFont()
  994. <li>fragment sampling in AA triangle function was off by 1/2 pixel
  995. <li>Windows: reading pixels from framebuffer didn't always work
  996. <li>glConvolutionFilter2D could segfault or cause FP exception
  997. <li>fixed segfaults in FX and X drivers when using tex unit 1 but not 0
  998. <li>GL_NAND logicop didn't work right in RGBA mode
  999. <li>fixed a memory corruption bug in vertex buffer reset code
  1000. <li>clearing the softwara alpha buffer with scissoring was broken
  1001. <li>fixed a few color index mode fog bugs
  1002. <li>fixed some bad assertions in color index mode
  1003. <li>fixed FX line 'stipple' bug #420091
  1004. <li>fixed stencil buffer clear width/height typo
  1005. <li>fixed GL error glitches in gl[Client]ActiveTextureARB()
  1006. <li>fixed Windows compilation problem in texutil.c
  1007. <li>fixed 1/8-pixel AA triangle sampling error
  1008. </ul>
  1009. Changes:
  1010. <ul>
  1011. <li>optimized writing mono-colored pixel spans to X pixmaps
  1012. <li>increased max viewport size to 2048 x 2048
  1013. </ul>
  1014.  
  1015.  
  1016. <h2>3.5  June 21, 2001</h2>
  1017. New:
  1018. <ul>
  1019. <li>internals of Mesa divided into modular pieces (Keith Whitwell)
  1020. <li>100% OpenGL 1.2 conformance (passes all conformance tests)
  1021. <li>new AA line algorithm
  1022. <li>GL_EXT_convolution extension
  1023. <li>GL_ARB_imaging subset
  1024. <li>OSMesaCreateContextExt() function
  1025. <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
  1026. <li>GL_MAX_TEXTURE_UNITS_ARB now defaults to eight
  1027. <li>GL_EXT_fog_coord extension (Keith Whitwell)
  1028. <li>GL_EXT_secondary_color extension (Keith Whitwell)
  1029. <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
  1030. <li>GL_SGIX_depth_texture extension
  1031. <li>GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions
  1032. <li>demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow
  1033. <li>GL_ARB_texture_env_combine extension
  1034. <li>GL_ARB_texture_env_dot3 extension
  1035. <li>GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp)
  1036. <li>OSMesaCreateContextExt() function
  1037. <li>libOSMesa.so library, contains the OSMesa driver interface
  1038. <li>GL/glxext.h header file for GLX extensions
  1039. <li>somewhat faster software texturing, fogging, depth testing
  1040. <li>all color-index conformance tests now pass (only 8bpp tested)
  1041. <li>SPARC assembly language TCL optimizations (David Miller)
  1042. <li>GL_SGIS_generate_mipmap extension
  1043. </ul>
  1044. Bug Fixes:
  1045. <ul>
  1046. <li>fbiRev and tmuRev were unitialized when using Glide3
  1047. <li>fixed a few color index mode conformance failures; all pass now
  1048. <li>now appling antialiasing coverage to alpha after texturing
  1049. <li>colors weren't getting clamped to [0,1] before color table lookup
  1050. <li>fixed RISC alignment errors caused by COPY_4UBV macro
  1051. <li>drawing wide, flat-shaded lines could cause a segfault
  1052. <li>vertices now snapped to 1/16 pixel to fix rendering of tiny triangles
  1053. </ul>
  1054. Changes:
  1055. <ul>
  1056. <li>SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU
  1057. <li>new libOSMesa.so library, contains the OSMesa driver interface
  1058. </ul>
  1059.  
  1060.  
  1061. <h2>4.0  October 22, 2001</h2>
  1062. New:
  1063. <ul>
  1064. <li>Mesa 4.0 implements the OpenGL 1.3 specification
  1065. <li>GL_IBM_rasterpos_clip extension
  1066. <li>GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp)
  1067. <li>GL_ARB_texture_mirrored_repeat extension
  1068. <li>WindML UGL driver (Stephane Raimbault)
  1069. <li>added OSMESA_MAX_WIDTH/HEIGHT queries
  1070. <li>attempted compiliation fixes for Solaris 5, 7 and 8
  1071. <li>updated glext.h and glxext.h files
  1072. <li>updated Windows driver (Karl Schultz)
  1073. </ul>
  1074. Bug fixes:
  1075. <ul>
  1076. <li>added some missing GLX 1.3 tokens to include/GL/glx.h
  1077. <li>GL_COLOR_MATRIX changes weren't recognized by teximage functions
  1078. <li>glCopyPixels with scale and bias was broken
  1079. <li>glRasterPos with lighting could segfault
  1080. <li>glDeleteTextures could leave a dangling pointer
  1081. <li>Proxy textures for cube maps didn't work
  1082. <li>fixed a number of 16-bit color channel bugs
  1083. <li>fixed a few minor memory leaks
  1084. <li>GLX context sharing was broken in 3.5
  1085. <li>fixed state-update bugs in glPopClientAttrib()
  1086. <li>fixed glDrawRangeElements() bug
  1087. <li>fixed a glPush/PopAttrib() bug related to texture binding
  1088. <li>flat-shaded, textured lines were broken
  1089. <li>fixed a dangling pointer problem in the XMesa code (Chris Burghart)
  1090. <li>lighting didn't always produce the correct alpha value
  1091. <li>fixed 3DNow! code to not read past end of arrays (Andrew Lewycky)
  1092. </ul>
  1093.  
  1094.  
  1095. <h2>4.0.1 December 17, 2001</h2>
  1096. New:
  1097. <ul>
  1098. <li>better sub-pixel sample positions for AA triangles (Ray Tice)
  1099. <li>slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO)
  1100. </ul>
  1101. Bug fixes:
  1102. <ul>
  1103. <li>added missing break statements in glGet*() for multisample cases
  1104. <li>fixed uninitialized hash table mutex bug (display lists / texobjs)
  1105. <li>fixed bad teximage error check conditional (bug 476846)
  1106. <li>fixed demos readtex.c compilation problem on Windows (Karl Schultz)
  1107. <li>added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT
  1108. <li>silence some compiler warnings (gcc 2.96)
  1109. <li>enable the #define GL_VERSION_1_3 in GL/gl.h
  1110. <li>added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h
  1111. <li>fixed glu.h typedef problem found with MSDev 6.0
  1112. <li>build libGL.so with -Bsymbolic (fixes bug found with Chromium)
  1113. <li>added missing 'const' to glXGetContextIDEXT() in glxext.h
  1114. <li>fixed a few glXGetProcAddress() errors (texture compression, etc)
  1115. <li>fixed start index bug in compiled vertex arrays (Keith)
  1116. <li>fixed compilation problems in src/SPARC/glapi_sparc.S
  1117. <li>fixed triangle strip "parity" bug found in VTK medical1 demo (Keith)
  1118. <li>use glXGetProcAddressARB in GLUT to avoid extension linking problems
  1119. <li>provoking vertex of flat-shaded, color-index triangles was wrong
  1120. <li>fixed a few display list bugs (GLUT walker, molecule, etc) (Keith)
  1121. <li>glTexParameter didn't flush the vertex buffer (Ray Tice)
  1122. <li>feedback attributes for glDraw/CopyPixels and glBitmap were wrong
  1123. <li>fixed bug in normal length caching (ParaView lighting bug)
  1124. <li>fixed separate_specular color bug found in Chimera (18 Dec 2001)
  1125. </ul>
  1126.  
  1127.  
  1128. <h2>4.0.2  April 2, 2002</h2>
  1129. New:
  1130. <ul>
  1131. <li>New DOS (DJGPP) driver written by Daniel Borca
  1132. <li>New driver interface functions for TCL drivers (such as Radeon DRI)
  1133. <li>GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32"
  1134.           if using deep color channels
  1135. <li>latest GL/glext.h and GL/glxext.h headers from SGI
  1136. </ul>
  1137. Bug fixes:
  1138. <ul>
  1139. <li>GL_BLEND with non-black texture env color wasn't always correct
  1140. <li>GL_REPLACE with GL_RGB texture format wasn't always correct (alpha)
  1141. <li>glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken
  1142. <li>glReadPixels was sometimes mistakenly clipped by the scissor box
  1143. <li>glDraw/ReadPixels didn't catch all the errors that they should have
  1144. <li>Fixed 24bpp rendering problem in Windows driver (Karl Schultz)
  1145. <li>16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c)
  1146. <li>Fixed 1-bit float-&gt;int conversion bug in glDrawPixels(GL_DEPTH_COMP)
  1147. <li>glColorMask as sometimes effecting glXSwapBuffers()
  1148. <li>fixed a potential bug in XMesaGarbageCollect()
  1149. <li>N threads rendering into one window didn't work reliably
  1150. <li>glCopyPixels didn't work for deep color channels
  1151. <li>improved 8 -&gt; 16bit/channel texture image conversion (Gerk Huisma)
  1152. <li>glPopAttrib() didn't correctly restore user clip planes
  1153. <li>user clip planes failed for some perspective projections (Chromium)
  1154. </ul>
  1155. Known bugs:
  1156. <ul>
  1157. <li>mipmap LOD computation
  1158. </ul>
  1159.  
  1160.  
  1161. <h2>4.0.3  June 25, 2002</h2>
  1162. New:
  1163. <ul>
  1164. <li>updated GL/glext.h file (version 15)
  1165. <li>corrected MMX blend code (Jose Fonseca)
  1166. <li>support for software-based alpha planes in Windows driver
  1167. <li>updated GGI driver (Filip Spacek)
  1168. </ul>
  1169. Bug fixes:
  1170. <ul>
  1171. <li>glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens
  1172. <li>OSMesaMakeCurrent() didn't recognize buffer size changes
  1173. <li>assorted conformance fixes for 16-bit/channel rendering
  1174. <li>texcombine alpha subtraction mode was broken
  1175. <li>fixed lighting bug with non-uniform scaling and display lists
  1176. <li>fixed bug when deleting shared display lists
  1177. <li>disabled SPARC cliptest assembly code (Mesa bug 544665)
  1178. <li>fixed a couple Solaris compilation/link problems
  1179. <li>blending clipped glDrawPixels didn't always work
  1180. <li>glGetTexImage() didn't accept packed pixel types
  1181. <li>glPixelMapu[is]v() could explode given too large of pixelmap
  1182. <li>glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT
  1183. <li>glXCopyContext() could lead to segfaults
  1184. <li>glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665)
  1185. </ul>
  1186. Changes:
  1187. <ul>
  1188. <li>lots of C++ (g++) code clean-ups
  1189. <li>lots of T&amp;L updates for the Radeon DRI driver
  1190. </ul>
  1191. Known bugs:
  1192. <ul>
  1193. <li>mipmap LOD computation (fixed for Mesa 4.1)
  1194. </ul>
  1195.  
  1196.  
  1197. <h2>4.0.4  October 3, 2002</h2>
  1198. New:
  1199. <ul>
  1200. <li>GL_NV_texture_rectangle extension
  1201. <li>updated glext.h header (version 17)
  1202. <li>updated DOS driver (Daniel Borca)
  1203. <li>updated BeOS R5 driver (Philippe Houdoin)
  1204. <li>added GL_IBM_texture_mirror_repeat
  1205. <li>glxinfo now takes -l option to print interesting OpenGL limits info
  1206. <li>GL_MESA_ycbcr_texture extension
  1207. <li>GL_APPLE_client_storage extension (for some DRI drivers only)
  1208. <li>GL_MESA_pack_invert extension
  1209. </ul>
  1210. Bug fixes:
  1211. <ul>
  1212. <li>fixed GL_LINEAR fog bug by adding clamping
  1213. <li>fixed FP exceptions found using Alpha CPU
  1214. <li>3dfx MESA_GLX_FX=window (render to window) didn't work
  1215. <li>fixed memory leak in wglCreateContest (Karl Schultz)
  1216. <li>define GLAPIENTRY and GLAPI if undefined in glu.h
  1217. <li>wglGetProcAddress didn't handle all API functions
  1218. <li>when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map
  1219. <li>removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc()
  1220. <li>error checking in compressed tex image functions had some glitches
  1221. <li>fixed AIX compile problem in src/config.c
  1222. <li>glGetTexImage was using pixel unpacking instead of packing params
  1223. <li>auto-mipmap generation for cube maps was incorrect
  1224. </ul>
  1225. Changes:
  1226. <ul>
  1227. <li>max texture units reduced to six to accomodate texture rectangles
  1228. <li>removed unfinished GL_MESA_sprite_point extension code
  1229. </ul>
  1230.  
  1231.  
  1232. <h2>4.1  October 29, 2002</h2>
  1233. New:
  1234. <ul>
  1235. <li>GL_NV_vertex_program extension
  1236. <li>GL_NV_vertex_program1_1 extension
  1237. <li>GL_ARB_window_pos extension
  1238. <li>GL_ARB_depth_texture extension
  1239. <li>GL_ARB_shadow extension
  1240. <li>GL_ARB_shadow_ambient extension
  1241. <li>GL_EXT_shadow_funcs extension
  1242. <li>GL_ARB_point_parameters extension
  1243. <li>GL_ARB_texture_env_crossbar
  1244. <li>GL_NV_point_sprite extension
  1245. <li>GL_NV_texture_rectangle extension
  1246. <li>GL_EXT_multi_draw_arrays extension
  1247. <li>GL_EXT_stencil_two_side extension
  1248. <li>GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions
  1249. <li>GL_ATI_texture_mirror_once extension (Ian Romanick)
  1250. <li>massive overhaul/simplification of software rasterizer module,
  1251.           many contributions from Klaus Niederkrueger
  1252. <li>faster software texturing in some cases (i.e. trilinear filtering)
  1253. <li>new OSMesaGetProcAddress() function
  1254. <li>more blend modes implemented with MMX code (Jose Fonseca)
  1255. <li>added glutGetProcAddress() to GLUT
  1256. <li>added GLUT_FPS env var to compute frames/second in glutSwapBuffers()
  1257. <li>pbinfo and pbdemo PBuffer programs
  1258. <li>glxinfo -v prints transprent pixel info (Gerd Sussner)
  1259. </ul>
  1260. Bug fixes:
  1261. <ul>
  1262. <li>better mipmap LOD computation (prevents excessive blurriness)
  1263. <li>OSMesaMakeCurrent() didn't recognize buffer size changes
  1264. <li>assorted conformance fixes for 16-bit/channel rendering
  1265. <li>texcombine alpha subtraction mode was broken
  1266. <li>fixed some blend problems when GLchan==GLfloat (Gerk Huisma)
  1267. <li>clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma)
  1268. <li>fixed divide by zero error in NURBS tessellator (Jon Perry)
  1269. <li>fixed GL_LINEAR fog bug by adding clamping
  1270. <li>fixed FP exceptions found using Alpha CPU
  1271. <li>3dfx/glide driver render-to-window feature was broken
  1272. <li>added missing GLX_TRANSPARENT_RGB token to glx.h
  1273. <li>fixed error checking related to paletted textures
  1274. <li>fixed reference count error in glDeleteTextures (Randy Fayan)
  1275. </ul>
  1276. Changes:
  1277. <ul>
  1278. <li>New spec file and Python code to generate some GL dispatch files
  1279. <li>Glide driver defaults to "no" with autoconf/automake
  1280. <li>updated demos/stex3d with new options
  1281. </ul>
  1282.  
  1283.  
  1284. <h2>5.0  November 13, 2002</h2>
  1285. New:
  1286. <ul>
  1287. <li>OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4")
  1288. <li>removed some overlooked debugging code
  1289. <li>glxinfo updated to support GLX_ARB_multisample
  1290. <li>GLUT now support GLX_ARB_multisample
  1291. <li>updated DOS driver (Daniel Borca)
  1292. </ul>
  1293. Bug fixes:
  1294. <ul>
  1295. <li>GL_POINT and GL_LINE-mode polygons didn't obey cull state
  1296. <li>fixed potential bug in _mesa_align_malloc/calloc()
  1297. <li>fixed missing triangle bug when running vertex programs
  1298. <li>fixed a few HPUX compilation problems
  1299. <li>FX (Glide) driver didn't compile
  1300. <li>setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work
  1301. <li>a few EXT functions, like glGenTexturesEXT, were no-ops
  1302. <li>a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate,
  1303.           glMultiDrawArrays and glMultiDrawElements were missing
  1304. <li>glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken
  1305. <li>Pentium 4 Mobile was mistakenly identified as having 3DNow!
  1306. <li>fixed one-bit error in point/line fragment Z calculation
  1307. <li>fixed potential segfault in fakeglx code
  1308. <li>fixed color overflow problem in DOT3 texture env mode
  1309. </ul>
  1310.  
  1311.  
  1312. <h2>5.0.1  March 30, 2003</h2>
  1313. New:
  1314. <ul>
  1315. <li>DOS driver updates from Daniel Borca
  1316. <li>updated GL/gl_mangle.h file (Bill Hoffman)
  1317. Bug fixes:
  1318. <li>auto mipmap generation for cube maps was broken (bug 641363)
  1319. <li>writing/clearing software alpha channels was unreliable
  1320. <li>minor compilation fixes for OS/2 (Evgeny Kotsuba)
  1321. <li>fixed some bad assertions found with shadowtex demo
  1322. <li>fixed error checking bug in glCopyTexSubImage2D (bug 659020)
  1323. <li>glRotate(angle, -x, 0, 0) was incorrect (bug 659677)
  1324. <li>fixed potential segfault in texture object validation (bug 659012)
  1325. <li>fixed some bogus code in _mesa_test_os_sse_exception_support (Linus)
  1326. <li>fix fog stride bug in tnl code for h/w drivers (Michel Danzer)
  1327. <li>fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080)
  1328. <li>glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3
  1329. <li>fixed compilation problem on Solaris7/x86 (bug 536406)
  1330. <li>fixed prefetch bug in 3DNow! code (Felix Kuhling)
  1331. <li>fixed NeXT build problem (FABSF macro)
  1332. <li>glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811)
  1333. <li>zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964)
  1334. <li>AA line and triangle Z values are now rounded, not truncated
  1335. <li>fixed color interpolation bug when GLchan==GLfloat (bug 694461)
  1336. <li>glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca)
  1337. <li>fixed a minor GL_COLOR_MATERIAL bug
  1338. <li>NV vertex program EXP instruction was broken
  1339. <li>glColorMask misbehaved with X window / pixmap rendering
  1340. <li>fix autoconf/libtool GLU C++ linker problem on Linux (a total hack)
  1341. <li>attempt to fix GGI compilation problem when MesaDemos not present
  1342. <li>NV vertex program ARL-relative fetches didn't work
  1343. </ul>
  1344. Changes:
  1345. <ul>
  1346. <li>use glPolygonOffset in gloss demo to avoid z-fighting artifacts
  1347. <li>updated winpos and pointblast demos to use ARB extensions
  1348. <li>disable SPARC normal transformation code (bug 673938)
  1349. <li>GLU fixes for OS/2 (Evgeny Kotsuba)
  1350. </ul>
  1351.  
  1352.  
  1353. <h2>5.0.2  September 5, 2003</h2>
  1354. Bug fixes:
  1355. <ul>
  1356. <li>fixed texgen problem causing texcoord's Q to be zero (stex3d)
  1357. <li>default GL_TEXTURE_COMPARE_MODE_ARB was wrong
  1358. <li>GL_CURRENT_MATRIX_NV query was wrong
  1359. <li>GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one
  1360. <li>GL_LIST_MODE query wasn't correct
  1361. <li>GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported
  1362. <li>GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value
  1363. <li>blended, wide lines didn't always work correctly (bug 711595)
  1364. <li>glVertexAttrib4svNV w component was always 1
  1365. <li>fixed bug in GL_IBM_rasterpos_clip (missing return)
  1366. <li>GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly
  1367. <li>a few Solaris compilation fixes
  1368. <li>fixed glClear() problem for DRI drivers (non-existant stencil, etc)
  1369. <li>fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux)
  1370. <li>fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz)
  1371. <li>glFog() didn't clamp fog colors
  1372. <li>fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the
  1373.           gl[Get]TexParameteri[v] functions
  1374. <li>fixed invalid memory references in glTexGen functions (bug 781602)
  1375. <li>integer-valued color arrays weren't handled correctly
  1376. <li>glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work
  1377. <li>GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1
  1378. </ul>
  1379. Changes:
  1380. <ul>
  1381. <li>build GLUT with -fexceptions so C++ apps propogate exceptions
  1382. </ul>
  1383.  
  1384.  
  1385. <h2>5.1  December 17, 2003</h2>
  1386. New:
  1387. <ul>
  1388. <li>reorganized directory tree
  1389. <li>GL_ARB_vertex/fragment_program extensions (Michal Krol &amp; Karl Rasche)
  1390. <li>GL_ATI_texture_env_combine3 extension (Ian Romanick)
  1391. <li>GL_SGI_texture_color_table extension (Eric Plante)
  1392. <li>GL_NV_fragment_program extension
  1393. <li>GL_NV_light_max_exponent extension
  1394. <li>GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle)
  1395. <li>GL_ARB_occlusion_query extension
  1396. <li>GL_ARB_point_sprite extension
  1397. <li>GL_ARB_texture_non_power_of_two extension
  1398. <li>GL_IBM_multimode_draw_arrays extension
  1399. <li>GL_EXT_texture_mirror_clamp extension (Ian Romanick)
  1400. <li>GL_ARB_vertex_buffer_object extension
  1401. <li>new X86 feature detection code (Petr Sebor)
  1402. <li>less memory used for display lists and vertex buffers
  1403. <li>demo of per-pixel lighting with a fragment program (demos/fplight.c)
  1404. <li>new version (18) of glext.h header
  1405. <li>new spriteblast.c demo of GL_ARB_point_sprite
  1406. <li>faster glDrawPixels in X11 driver in some cases (see relnotes/5.1)
  1407. <li>faster glCopyPixels in X11 driver in some cases (see relnotes/5.1)
  1408. </ul>
  1409. Bug fixes:
  1410. <ul>
  1411. <li>really enable OpenGL 1.4 features in DOS driver.
  1412. <li>fixed issues in glDrawPixels and glCopyPixels for very wide images
  1413. <li>glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint
  1414. <li>fixed some texgen bugs reported by Daniel Borca
  1415. <li>fixed wglMakeCurrent(NULL, NULL) bug (#835861)
  1416. <li>fixed glTexSubImage3D z-offset bug (Cedric Gautier)
  1417. <li>fixed RGBA blend enable bug (Ville Syrjala)
  1418. <li>glAccum is supposed to be a no-op in selection/feedback mode
  1419. <li>fixed texgen bug #597589 (John Popplewell)
  1420. </ul>
  1421. Changes:
  1422. <ul>
  1423. <li>dropped API trace feature (src/Trace/)
  1424. <li>documentation overhaul.  merged with website content.  more html.
  1425. <li>glxgears.c demo updated to use GLX swap rate extensions
  1426. <li>glTexImage1/2/3D now allows width/height/depth = 0
  1427. <li>disable SPARC asm code on Linux (bug 852204)
  1428. </ul>
  1429.  
  1430.  
  1431. <h2>6.0  January 16, 2004</h2>
  1432. New:
  1433. <ul>
  1434. <li>full OpenGL 1.5 support
  1435. <li>updated GL/glext.h file to version 21
  1436. Changes:
  1437. <li>changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h)
  1438. Bug fixes:
  1439. <li>fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color
  1440.           clamping issue
  1441. <li>updated suno5-gcc configs
  1442. <li>glColor3 functions sometimes resulted in undefined alpha values
  1443. <li>fixed FP divide by zero error seen on VMS with xlockmore, others
  1444. <li>fixed vertex/fragment program debug problem (bug 873011)
  1445. <li>building on AIX with gcc works now
  1446. <li>glDeleteProgramsARB failed for ARB fragment programs (bug 876160)
  1447. <li>glDrawRangeElements tried to modify potentially read-only storage
  1448. <li>updated files for building on Windows
  1449. </ul>
  1450.  
  1451.  
  1452. <h2>6.0.1  April 2, 2004</h2>
  1453. New:
  1454. <ul>
  1455. <li>upgraded glext.h to version 22
  1456. <li>new build targets (Dan Schikore)
  1457. <li>new linux-x86-opteron build target (Heath Feather)
  1458. </ul>
  1459. Bug fixes:
  1460. <ul>
  1461. <li>glBindProgramARB didn't update all necessary state
  1462. <li>fixed build problems on OpenBSD
  1463. <li>omit CVS directories from tarballs
  1464. <li>glGetTexImage(GL_COLOR_INDEX) was broken
  1465. <li>fixed an infinite loop in t&amp;l module
  1466. <li>silenced some valgrind warnings about using unitialized memory
  1467. <li>fixed some compilation/link glitches on IRIX (Mike Stephens)
  1468. <li>glBindProgram wasn't getting compiled into display lists
  1469. <li>GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079)
  1470. <li>two-sided lighting and vertex program didn't work (bug 887330)
  1471. <li>stores to program parameter registers in vertex state programs
  1472.           didn't work.
  1473. <li>fixed glOrtho bug found with gcc 3.2.2 (RH9)
  1474. <li>glXCreateWindow() wasn't fully implemented (bug 890894)
  1475. <li>generic vertex attribute arrays didn't work in display lists
  1476. <li>vertex buffer objects' default usage and access fields were wrong
  1477. <li>glDrawArrays with start!=0 was broken
  1478. <li>fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken
  1479. <li>linux-osmesa16-static config didn't work
  1480. <li>fixed a few color index rendering problems (bug 910687)
  1481. <li>glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE
  1482. <li>OSMesa RGB and BGR modes were broken
  1483. <li>glProgramStringARB mistakenly required a null-terminated string
  1484. <li>fragment program XPD instruction was incorrect
  1485. <li>glGetMaterial() didn't work reliably
  1486. <li>ARB_fragment_program KIL instruction was incorrect
  1487. </ul>
  1488.  
  1489.  
  1490. <h2>6.1  August 18, 2004</h2>
  1491. New:
  1492. <ul>
  1493. <li>Revamped Makefile system
  1494. <li>glXUseRotatedXFont() utility (see xdemos/xuserotfont.c)
  1495. <li>internal driver interface changes related to texture object
  1496.           allocation, vertex/fragment programs, BlendEquationSeparate, etc.
  1497. <li>option to walk triangle edges with double-precision floats
  1498.           (Justin Novosad of Discreet) (see config.h file)
  1499. <li>support for AUX buffers in software GLX driver
  1500. <li>updated glext.h to version 24 and glxext.h to version 6
  1501. <li>new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars
  1502. <li>updated BeOS support (Philippe Houdoin)
  1503. </ul>
  1504. Changes:
  1505. <ul>
  1506. <li>fragment fog interpolation is perspective corrected now
  1507. <li>new glTexImage code, much cleaner, may be a bit faster
  1508. </ul>
  1509. Bug fixes:
  1510. <ul>
  1511. <li>glArrayElement in display lists didn't handle generic vertex attribs
  1512. <li>glFogCoord didn't always work properly
  1513. <li>ARB_fragment_program fog options didn't work
  1514. <li>frag prog TEX instruction no longer incorrectly divides s,t,r by q
  1515. <li>ARB frag prog TEX and TEXP instructions now use LOD=0
  1516. <li>glTexEnviv in display lists didn't work
  1517. <li>glRasterPos didn't do texgen or apply texture matrix
  1518. <li>GL_DOUBLE-valued vertex arrays were broken in some cases
  1519. <li>fixed texture rectangle edge/border sampling bugs
  1520. <li>sampling an incomplete texture in a fragment program would segfault
  1521. <li>glTexImage was missing a few error checks
  1522. <li>fixed some minor glGetTexParameter glitches
  1523. <li>GL_INTENSITY was mistakenly accepted as a &lt;format&gt; to glTexImage
  1524. <li>fragment program writes to RC/HC register were broken
  1525. <li>fixed a few glitches in GL_HP_occlusion_test extension
  1526. <li>glBeginQueryARB and glEndQueryARB didn't work inside display lists
  1527. <li>vertex program state references were broken
  1528. <li>fixed triangle color interpolation bug on AIX (Shane Blackett)
  1529. <li>fixed a number of minor memory leaks (bug #1002030)
  1530. </ul>
  1531.  
  1532.  
  1533. <h2>6.2  October 2, 2004</h2>
  1534. New:
  1535. <ul>
  1536. <li>enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle)
  1537. <li>updated Doxygen support (Jose Fonseca)
  1538. </ul>
  1539. Changes:
  1540. <ul>
  1541. <li>some GGI driver updates (Christoph Egger, bug 1025977)
  1542. </ul>
  1543. Bug fixes:
  1544. <ul>
  1545. <li>Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features
  1546. <li>fixed a few compilation issues on IRIX
  1547. <li>fixed a matrix classification bug (reported by Wes Bethel)
  1548. <li>we weren't reseting the vertex/fragment program error state
  1549.           before parsing (Dave Reveman)
  1550. <li>adjust texcoords for sampling texture rectangles (Dave Reveman)
  1551. <li>glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented
  1552. <li>repeated calls to glDeleteTexture(t) could lead to a crash
  1553. <li>fixed potential ref count bugs in VBOs and vertex/fragment programs
  1554. <li>spriteblast demo didn't handle window size changes correctly
  1555. <li>glTexSubImage didn't handle pixels=NULL correctly for PBOs
  1556. <li>fixed color index mode glDrawPixels bug (Karl Schultz)
  1557. </ul>
  1558.  
  1559.  
  1560. <h2>6.2.1  December 9, 2004</h2>
  1561. Bug fixes:
  1562. <ul>
  1563. <li>don't apply regular fog or color sum when using a fragment program
  1564. <li>glProgramEnvParameter4fARB always generated an error on
  1565.           GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645)
  1566. <li>glVertexAttrib3svNV and glVertexAttrib3svARB were broken
  1567. <li>fixed width/height mix-up in glSeparableFilter2D()
  1568. <li>fixed regression in glCopyPixels + convolution
  1569. <li>glReadPixels from a clipped front color buffer didn't always work
  1570. <li>glTexImage didn't accept GL_RED/GREEN/BLUE as the format
  1571. <li>Attempting queries/accesses of VBO 0 weren't detected as errors
  1572. <li>paletted textures failed if the palette had fewer than 256 entries
  1573. </ul>
  1574. Changes:
  1575. <ul>
  1576. <li>fixed a bunch of compiler warnings found with gcc 3.4
  1577. <li>bug reports should to go bugzilla.freedesktop.org
  1578. </ul>
  1579.  
  1580.  
  1581. <h2>6.3  July 20, 2005</h2>
  1582. New:
  1583. <ul>
  1584. <li>GL_EXT_framebuffer_object extension
  1585. <li>GL_ARB_draw_buffers extension
  1586. <li>GL_ARB_pixel_buffer_object extension
  1587. <li>GL_OES_read_format extension (Ian Romanick)
  1588. <li>DirectFB driver (Claudio Ciccani)
  1589. <li>x86_64 vertex transformation code (Mikko T.)
  1590. <li>Updated GL/glext.h to version 29
  1591. </ul>
  1592. Changes:
  1593. <ul>
  1594. <li>added -stereo option for glxgears demo (Jacek Rosik)
  1595. <li>updated the PBuffer demo code in xdemos/ directory
  1596. <li>glDeleteTextures/Programs/Buffers() now makes the object ID
  1597.         available for immediate re-use
  1598. <li>assorted 64-bit clean-ups fixes (x86_64 and Win64)
  1599. <li>lots of internal changes for GL_EXT_framebuffer_object
  1600. </ul>
  1601. Bug fixes:
  1602. <ul>
  1603. <li>some functions didn't support PBO functionality
  1604. <li>glGetTexImage didn't convert color index images to RGBA as required
  1605. <li>fragment program texcoords were sometimes wrong for points and lines
  1606. <li>fixed problem with negative dot product in arbfplight, fplight demos
  1607. <li>fixed bug in perspective correction of antialiased, textured lines
  1608. <li>querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value
  1609. <li>fixed a couple per-pixel fog bugs (Soju Matsumoto)
  1610. <li>glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken
  1611. <li>fixed float parsing bug in ARB frag/vert programs (bug 2520)
  1612. <li>XMesaGetDepthBuffer() returned incorrect value for bytesPerValue
  1613. <li>GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha
  1614. <li>glXChooseFBConfig() crashed if attribList pointer was NULL
  1615. <li>program state.light[n].spot.direction.w was wrong value (bug 3083)
  1616. <li>fragment program fog option required glEnable(GL_FOG) - wrong.
  1617. <li>glColorTable() could produce a Mesa implementation error (bug 3135)
  1618. <li>RasterPos could get corrupted by color index rendering path
  1619. <li>Removed bad XTranslateCoordinates call when rendering to Pixmaps
  1620. <li>glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state
  1621. <li>fixed a few Darwin compilation problems
  1622. </ul>
  1623.  
  1624.  
  1625. <h2>6.3.1</h2>
  1626. <p>
  1627. This was an intermediate release for X.org which wasn't otherwise released.)
  1628. </p>
  1629.  
  1630.  
  1631. <h2>6.3.2  August 19, 2005</h2>
  1632. New:
  1633. <ul>
  1634. <li>The distribution now includes the DRI drivers and GLX code
  1635. </ul>
  1636. Changes:
  1637. <ul>
  1638. <li>Made the DRI "new" driver interface standard, remove old code
  1639. </ul>
  1640. Bug fixes:
  1641. <ul>
  1642. <li>GL_ARB_vertex/fragment_shader were mistakenly listed in the
  1643.           extensions string
  1644. <li>negative relative addressing in vertex programs was broken
  1645. <li>update/fix SPARC assembly code for vertex transformation
  1646. <li>fixed memory leak when freeing GLX drawables/renderbuffers
  1647. <li>fixed display list memory leak
  1648. <li>the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer
  1649. <li>wglGetProcAddress() didn't handle wgl-functions
  1650. <li>fixed glxext.h cross-compile issue (Colin Harrison)
  1651. <li>assorted DRI driver fixes
  1652. </ul>
  1653.  
  1654.  
  1655. <b>
  1656. NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
  1657. <a href="relnotes.html">release notes</a> file.
  1658. </b>
  1659.  
  1660. </div>
  1661. </body>
  1662. </html>
  1663.