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