VERSIONS revision 853fb984de45d17bee83c3bba62836315343a8e7
1$Id: VERSIONS,v 1.28 2000/04/07 16:32:21 brianp Exp $ 2 3 4Mesa Version History 5==================== 6 71.0 beta February 1995 8 Initial release 9 101.1 beta March 4, 1995 11 Changes: 12 faster point and line drawing (2x faster) 13 more systems supported, better Makefiles 14 Renamed lib*.a files to avoid collisions 15 many small bug fixes 16 New: 17 pseudo-GLX functions added 18 new implementation of evaluators (eval2.c) 19 GLUT support 20 211.1.1 beta March 7, 1995 22 Changes: 23 Reverted from eval2.c to eval.c due to FPE on Linux 24 more speed improvements 25 more Makefile changes 26 271.1.2 beta March 14, 1995 28 New: 29 implementation of SGI's blending extensions 30 glXUseXFont implemented 31 added MESA_DEBUG environment variable support 32 Changes: 33 Using eval2.c again 34 more FPE-prevention checks (0-length normals are OK) 35 a few small bug fixes 36 much faster pixel logic ops! 37 faster transformation arithmetic 38 391.1.3 beta March 31, 1995 40 New: 41 gluScaleImage() and gluBuild2DMipMaps() implemented 42 Mesa widgets for Xt/Motif 43 blendEXT demos 44 added environment variables for selecting visuals 45 Changes: 46 almost all GLUT demos work correctly now 47 faster X device driver functions 48 more bug fixes 49 501.1.4 beta April 20, 1995 51 Bug fixes: 52 - missing #define SEEK_SET in src-tk/image.c 53 - compile glShadeModel into display lists 54 - fixed pow() domain error in src/light.c 55 - fixed "flickering bitmaps" in double buffer mode 56 - fixed tk.h and aux.h for C++ 57 - state of LIGHT_MODEL_LOCAL_VIEWER was inverted 58 New features: 59 - MUCH, MUCH nicer dithering in 8-bit RGB mode 60 - updated widgets and widget demos 61 - Implemented GLXPixmap functions 62 - Added GLU 1.1 and GLX 1.1 functions 63 - Changed the X/Mesa interface API, more versatile 64 - Implemented gluPartialDisk() 65 661.2 May 22, 1995 67 Bug fixes: 68 - IRIX 4.x makefile problem 69 - modified tk to share root colormap as needed 70 - gluLookAt normalization problem 71 - suppress Expose, NoExpose events in swapbuffers 72 - glBitmap() and glDrawPixels() clipping 73 New features: 74 - GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture 75 modes implemented 76 - texture maps stored more efficiently 77 - texture maps can be compiled into display lists 78 - Bogdan Sikorski's GLU polygon tesselation code 79 - Linas Vepstas's sweep and extrusion library 80 - glXCreateContext()'s shareList parameter works as it's supposed to. 81 XMesaCreateContext() updated to accept a shareList parameter too. 82 - Mesa can be compiled with real OpenGL .h files 83 - MESA_BACK_BUFFER environment variable 84 - better GLX error checking 85 861.2.1 June 22, 1995 87 Bug fixes: 88 - X/Mesa double buffer window resize crash 89 - widgets now pass PointerMotion events 90 - X/Mesa incorrect default clear color and drawing color 91 - more robust X MIT-SHM support in X/Mesa 92 - glTexImage( format=GL_LUMINANCE ) didn't work 93 - GL_LINE mode polygons with line width > 1.0 could cause a crash 94 - numerous feedback bugs 95 - glReadPixels() from depth buffer was wrong 96 - error prone depth and stencil buffer allocation 97 New features: 98 - Preliminary Microsoft Windows driver 99 - Implemented a number of missing functions: glEvalCoord[12][df]v(), 100 glGet...(), etc. 101 - Added a few missing symbols to gl.h and glu.h 102 - Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. 103 - Faster rendering of lines when width=2.0 104 - Stencil-related functions now work in display lists 105 Changes: 106 - renamed aux.h as glaux.h (MS-DOS names can't start with aux) 107 - most filenames are in 8.3 format to accomodate MS-DOS 108 - use GLubytes to store arrays of colors instead of GLints 109 1101.2.2 August 2, 1995 111 New features: 112 - texture mapped points and lines 113 - NURBS! (but not 100% complete) 114 - viewports may safely extend beyond window boundaries 115 - MESA_PRIVATE_CMAP environment variable 116 - Grayscale X display support 117 - two new demos: demos/gears.c and demos/shadow.c 118 - MachTen for Macintosh configuration 119 Bug fixes: 120 - glGet*(GL_DEPTH_BITS) returned bytes, not bits 121 - point, line, and bitmap rasterization suffered from roundoff errors 122 - fixed a division by zero error in line clippping 123 - occasional wrong default background color really fixed! 124 - glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work 125 - gluBuild2DMipmaps malloc problem fixed 126 - view volume clipping of smooth shaded lines resulted in bad colors 127 Changes: 128 - new visual selection method in glXChooseVisual() 129 - improved GLU quadric functions 130 - call XSync for glFinish and XFlush for glFlush 131 - glVertex() calls now use a function pointer to avoid conditionals 132 - removed contrib directory from Mesa tar file (available on ftp site) 133 - AIX shared library support 134 - Removed GLUenum type as it's not in OpenGL 135 1361.2.3 September 26, 1995 137 New features: 138 - Mesa header files now equivalent to SGI OpenGL headers 139 - Support for HP's Color Recovery dithering displays 140 - Faster vertex transformation 141 - Faster raster operations into X windows under certain conditions 142 - New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General 143 - 4-bit visuals now supported 144 Bug fixes: 145 - glScissor bug fixed 146 - round-off errors in clipping lines against clip planes fixed 147 - byte swapping between hosts and display servers implemented 148 - glGetError() can be called without a current rendering context 149 - problem with accidentally culled polygons is fixed 150 - fixed some widget compilation problems 151 1521.2.4 November 17, 1995 153 New features: 154 - More speed improvements (lighting, fogging, polygon drawing) 155 - Window system and OS-independent off-screen rendering 156 - Preliminary Fortran bindings 157 - glPolygonOffsetEXT implemented 158 - glColorMask and glIndexMask now fully implemented 159 - glPixelZoom implemented 160 - display lists fully implemented 161 - gamma correction 162 - dithering in 8-bit TrueColor/DirectColor visuals 163 Changes: 164 - Improved device driver interface 165 - tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk 166 - Dithering support moved from core into device driver 167 Bug fixes: 168 - glEnable/Disable( GL_LIGHTING ) didn't always take effect 169 - glReadPixels byte swapping was broken 170 - glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken 171 - duplicate glColor4b() prototype in GL/gl.h removed 172 - stripes in wave -ci demo fixed 173 - GL_LINEAR_MIPMAP_NEAREST had wrong value 174 - bugs in HP Color Recovery support fixed 175 - fixed bug when blending lines, points, bitmaps outside of window 176 1771.2.5 November 30, 1995 178 New Features: 179 - updated MS Windows driver 180 - new implementation of StaticGray/GrayScale visual support 181 Bug fixes: 182 - pixelzooming with gamma correction or blending didn't work 183 - HP color recovery visual wasn't being picked by glXChooseVisual 184 - glClear didn't always observe glColorMask changes 185 - olympic and offset demos didn't compile on some Suns 186 - texcoord clamping wasn't correct 187 - a polygon optimization introduced an occasional sampling problem 188 1891.2.6 January 26, 1996 190 New Features: 191 - faster line and polygon rendering under certain conditions. See 192 Performance Tips 9 and 10 in README 193 - profiling 194 - lighting is a bit faster 195 - better perspective corrected texture mapping 196 - Amiga AmiWin (X11) support 197 - preliminary Linux SVGA driver 198 Changes: 199 - now using a 16-bit depth buffer, faster, smaller 200 - GL_NORMALIZE is disabled by default 201 Bug fixes: 202 - projective texture mapping 203 - fixed a memory leak in the context destroy function 204 - GL_POLYGON with less than 3 vertices caused a crash 205 - glGet*() returned wrong result for GL_INDEX_MODE 206 - reading pixels from an unmapped X window caused a BadMatch error 207 2081.2.7 March 5, 1996 209 New: 210 - faster lighting 211 - faster 16-bit TrueColor rendering on Linux 212 - faster 32-bit TrueColor rendering on Linux, HP, IBM 213 - non-depth-buffered XImage polygons are faster 214 - vertex array extension 215 - software alpha planes 216 - updated Macintosh driver 217 - new NeXT driver 218 - GLU quadric functions generate texture coordinates 219 - reflect.c demo - reflective, textured surface demo 220 Changes: 221 - gamma correction code moved into the X driver for better performance 222 Bug fixes: 223 - multiple glClipPlane()'s didn't work reliably 224 - glPolygonMode() didn't always work 225 - glCullFace( GL_FRONT_AND_BACK ) didn't work 226 - texture mapping with gamma correction was buggy 227 - floating point exceptions in texture coordinate interpolation 228 - XImage byte swapping didn't always work 229 - polygon edge flags weren't always used correctly 230 2311.2.8 May 22, 1996 232 New: 233 - overlay planes on X servers with the SERVER_OVERLAY_VISUALS property 234 - better monochrome output 235 - more IRIX 6.x configurations 236 - more robust RGB mode color allocation 237 - added MESA_XSYNC environment variable 238 - GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions 239 - GL_MESA_window_pos extension 240 - faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT 241 and GL_UNSIGNED_INT 242 - driver for prototype Cirrus Mondello 3-D board 243 - updated AmigaDOS driver 244 - a few small speed optimizations in polygon rendering 245 Changes: 246 - internal device driver interface modified to simplify device 247 driver implementations and to support hardware Z buffers 248 - several changes to the X/Mesa interface (xmesa.h) 249 Bug fixes: 250 - fixed pow(0,0) domain error triggered on some systems 251 - glStencilClear() in a display list caused an infinite loop 252 - glRasterPos*() was sometimes off by +/-0.5 in X and Y 253 - color masking and blending were performed in wrong order 254 - auxSolidCylinder() sometimes drew a wire-frame cylinder 255 - fixed file writing bug in osdemo.c 256 - pixel mapping didn't always work 257 - the GL_GEQUAL stencil func didn't work 258 - the GL_INVERT stencil op didn't work 259 - the stencil write mask didn't work 260 - glPush/PopAttrib() didn't do enough error checking 261 - glIsList() didn't always work correctly 262 2632.0 October 10, 1996 264 New: 265 - Implements OpenGL 1.1 API functions 266 - all texture filtering modes supported (mipmapping) 267 - faster texture mapping, see Performance Tip 11 in README 268 - antialiased RGB points 269 - X support for line and polygon stippling 270 - glDrawBuffer( GL_FRONT_AND_BACK ) works 271 - util/ directory of useful stuff 272 - demos/texobj demo of texture objects 273 Changes: 274 - major internal changes for thread-safeness 275 - new device driver interface 276 - MESA_ALPHA env variable removed 277 - triangle rasterizer replaces polygon rasterizer 278 Bug fixes: 279 - glPopAttrib() bug 280 - glDrawBuffer(GL_NONE) works now 281 2822.1 December 14, 1996 283 New: 284 - VMS support 285 - MS-DOS driver 286 - OpenStep support 287 - updated, combined Windows 95/NT driver 288 - implemented glGetLighti() and glGetTexGen*() 289 - GLX does garbage collection of ancillary buffers 290 Bug fixes: 291 - removed unused _EXT constants from gl.h 292 - fixed polygon offset bugs 293 - Z coordinates of clipped lines were incorrect 294 - glEdgeFlag() in display lists didn't always work 295 - glLight*() in display lists didn't work 296 - fixed X line stipple bugs (Michael Pichler) 297 - glXUseXfonts XFreeFont/XFreeFontInfo bug fixed 298 - fixed a feedback bug 299 - glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix 300 - polygons were sometimes culled instead of clipped 301 - triangle rasterizer suffered from float/int overflow exceptions 302 - fixed FP underflow exception in lighting (specular exponent) 303 - glEnable/glDisable of GL_EXT_vertex_array enums didn't work 304 - fixed free(NULL) in GLU tesselator code 305 - using 24-bit color on some X servers resulted in garbage rendering 306 - 32-bit per pixel mode for XFree86 now works 307 - glRotate(a,0,0,0) gave unpredictable results 308 - GL_LINE_STRIP with > 480 vertices had occasional clipping problems 309 - 8-bit TrueColor GLXPixmap rendering incorrectly required a colormap 310 - glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled 311 - glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right 312 - accumulation buffer was limited to positive values 313 - projective textures didn't work 314 - selection buffer overflows weren't handled correctly 315 Changes: 316 - restored the GL_EXT_polygon_offset extension 317 - slightly faster RGB dithering 318 - the SVGA driver works again 319 - Amiga driver now distributed separately 320 - NeXT driver updated for Mesa 2.x 321 3222.2 March 14, 1997 323 New: 324 - better color selection when dithering 325 - added GL_EXT_texture_object extension 326 - updated MS-DOS driver for DJGPP 327 - added openbsd make configuration 328 - faster dithered flat-shaded triangles 329 - various compilation problems with Motif widgets fixed 330 - gl.h, glx.h and glu.h name mangling option 331 - BeOS driver 332 - 3D texture mapping extension 333 - GL_MESA_resize_buffers extension 334 - morph3d, stex3d and spectex demos 335 - 3Dfx support 336 Bug fixes: 337 - glColorMaterial should finally work right in all respects 338 - linear interpolation of mipmap levels was incorrectly weighted 339 - readpix.c didn't compile on Macintosh 340 - GL_INVERT and related logic ops didn't work right 341 - glTexImage[12]D() didn't check its parameters consistantly 342 - fixed a memory leak in glTexImage[12]D() 343 - kludged around a SunOS 5.x/GCC compiler bug in the feedback code 344 - glReadPixels aborted instead of normally catching some errors 345 - a few 1.1 constants were missing or misnamed in gl.h 346 - glBegin(p); glBegin(q); didn't generate an error 347 - fixed a memory leak in GLX code 348 - clipping of concave polygons could cause a core dump 349 - 1-component alpha texture maps didn't work 350 - fixed a GLU polygon tesselator bug 351 - polygons with colinear vertices were sometimes culled 352 - feedback triangle colors were wrong when using smooth shading 353 - textures with borders didn't work correctly 354 - colors returned in feedback mode were wrong when using lighting 355 - spotlights didn't effect ambient lighting correctly 356 - gluPartialDisk() had a few bugs 357 Changes: 358 - device driver interface expanded to support texture mapping 359 - faster matrix inversion subroutine 360 - commented out #include "wmesa_extend.h" from src/wmesa.c 361 - fixed many compiler warnings in the demo programs 362 3632.3 June 30, 1997 364 New: 365 - Mesa distribution divided into two pieces: library code and demos 366 - faster vertex transformation, clip testing, lighting 367 - faster line drawing 368 - TrueColor visuals how have dithering (for depths < 24 bits) 369 - added MESA_NO_DITHER environment variable 370 - new device driver function: NearFar(), RenderVB(), RasterSetup() 371 - added LynxOS configuration 372 - added cygnus Win32 configuration 373 - added texcyl.c GLUT demo 374 - added XMesaDitherColor() to X/Mesa interface 375 - new NURBS code from Bogdan Sikorski 376 - added demos/shape.c (non-rectangular X window!) 377 Bug fixes: 378 - glEnable/DisableClientState() were missing from GL/gl.h 379 - GL_SPHERE_MAP texcoord generation didn't work correctly 380 - glXGetConfig() returned wrong number of depth, stencil, accum bits 381 - glDrawPixels feedback/selection didn't examine RasterPos valid bit 382 - black and white were reversed on some monochrome displays 383 - fixed potential image memory leak (wasn't setting reference counter) 384 - glDrawPixels sometimes didn't recognize some GL state changes 385 - gluProject/UnProject() didn't check for divide by zero 386 - stex3d demo called random() and srandom(), not portable 387 - fixed memory leaks in context.c and drawpix.c 388 - fixed NULL dereferencing problem in gl_update_texture_state() 389 - glReadPixels between glBegin/glEnd didn't generate an error. 390 - fixed memory leak in polygon tesselator (Randy Frank) 391 - fixed seg fault bug drawing flat-shaded, depth-tested lines 392 - clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded 393 - glBindTexture sometimes didn't work 394 - fixed a bug deep in glXReleaseBuffersMESA() 395 - fog was mistakenly applied to alpha 396 - glPopMatrix didn't set "dirty matrix" flag 397 - glPolygonStipple pattern was sometimes wrong 398 - glClear wasn't disabled during feedback and selection 399 - fixed memory leak in glTexSubImage[123]D 400 Changes: 401 - many library source files reorganized 402 - faster X color allocation, colors also freed when finished with them 403 - new texture sampling function pointer in texture objects 404 - incorporated 3Dfx VooDoo driver v0.16 into main source tree 405 - many 3Dfx driver updates 406 - cygnus Makefiles now included 407 - updated DOS driver 408 - made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) 409 - internally, colors now stored in GLubytes, not GLfixed 410 - optimized changing of GL_SHININESS parameter 411 4122.4 September 18, 1997 413 New: 414 - updated 3Dfx Glide driver 415 - hacks for 3Dfx rendering into an X window or fullscreen 416 - added depth buffer access functions to X/Mesa and OS/Mesa interfaces 417 Bug fixes: 418 - pixel buffer could overflow with long, wide lines 419 - fixed FP underflow problems in lighting 420 - glTexSubImage1D() had an unitialized variable 421 - incomplete texture objects could cause a segfault 422 - glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop 423 - flat-shaded quads in a strip were miscolored if clipped 424 - mipmapped triangle lod computation now works correctly 425 - fixed a few under/overflow bugs in triangle rasterizer 426 - glArrayElement() assigned bad normal if normal array disabled 427 - changed argument to glXReleaseBuffersMESA() 428 - fixed small triangle underflow bugs in tritemp.h (hopefully) 429 - glBindTexture(target, 0) caused a crash 430 - glTexImage[123]D() with NULL image pointer caused crash 431 - glPixelStore parameters are now ignored during display list execution 432 - fixed a two-sided lighting w/ clipping bug (black vertices) 433 - textures with width!=height were sometimes mis-rendered 434 - "weird" projection matrices could cause div by 0, other fp errors 435 Changes: 436 - changed precompiled header symbol from PCH to PC_HEADER 437 - split api.c into api1.c and api2.c 438 - added hash.c source file (but not used yet) 439 - a few Sun and HP configuration file changes 440 - MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN 441 - fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) 442 4432.5 November 20, 1997 444 New: 445 - updated 3Dfx driver (v20) for GLQuake 446 - added GL_EXT_paletted_texture extension 447 - added GL_EXT_shared_texture_palette extension 448 - added GL_EXT_point_parameters extension 449 - now including Mark Kilgard's GLUT library v3.6 450 - new GLUT-based demos in gdemos/ 451 - added a few more Unix config targets 452 - added Intel X86 assembly language vertex transformation code 453 - 3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var 454 - Windows 95 S3 Virge driver 455 Bug fixes: 456 - glCopyTexImage?D would crash due to uninitialized variable 457 - glColor w/ glColorMaterial in a display list caused a bug 458 - fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver 459 - glVertex4*() vertices weren't always projected correctly 460 - trying to use mipmapped textured points or lines caused crash 461 - glColor[34][fd]() values now clamped to [0,1] before int conversion 462 Changes: 463 - new device driver functions for texture mapping 464 - hash tables used for display list and texture object lookup 465 - fixed GLX visual handling code to avoid saving redundant visuals 466 - 3Dfx Glide libraries automatically linked to libMesaGL.so 467 - dropped the Cirrus Logic Mondello code since it's obsolete 468 - updated Cygnus Makefiles (Stephane Rehel) 469 - updated Windows MSVC++ Makefiles (Oleg Letsinsky) 470 - procedure for making library files has changed: scripts now take 471 a major and minor version arguments. Make-config changed a lot. 472 - new implementation of glTexSubImage2D() 473 - updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) 474 - separate linux-glide and linux-386-glide configurations 475 4762.6 February 12, 1998 477 New: 478 - Windows WGL functions 479 - updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support 480 - v0.22 of 3Dfx Glide driver 481 - more X86 assembly language optimizations 482 - faster blending for some modes 483 - XMesaSetFXmode() to switch between 3Dfx window and full-screen mode 484 - added preliminary thread support 485 - added GLX_MESA_copy_sub_buffer extension 486 - some clipping optimizations 487 Bug fixes: 488 - fixed shading/material bug when drawing long primitive strips 489 - fixed clipping problem in long primitive strips 490 - fixed clipping bug when using 3Dfx driver 491 - fixed a problem when trying to use X fonts w/ 3Dfx driver 492 - fixed a texture filter bug in 3Dfx/Glide driver 493 - fixed bug in 3Dfx/Glide driver involving depth mask & clearing 494 - glLoadMatrix to set projection matrix confused the 3Dfx driver 495 - non-identity texture matrices didn't work with linux-386 configs 496 - glGenTextures() didn't reserve the returned texture IDs 497 - NULL proxy image sent to glTexImageXD() caused crash 498 - added texture state validation optimization (Henk Kok) 499 - fixed colormap reuse problem when using both RGB and CI windows 500 - 32bpp True/DirectColor X visuals weren't recognized 501 - fixed potential problem in evaluators memory allocation 502 - fixed assorted demo compilation bugs 503 Changes: 504 - replaced old Mesa/windows/ directory with Mesa/WIN32/ directory 505 - converted a few old glaux/gltk demos to GLUT 506 - renamed directories: demos -> xdemos, gdemos -> demos 507 508 5093.0 September 17, 1998 510 New: 511 - OpenGL 1.2 API 512 - GL_EXT_abgr pixel format extension 513 - GL_SGIS_texture_edge_clamp extension 514 - GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) 515 - GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) 516 - GL_EXT_rescale_normal extension and renormal.c demo 517 - GLX_SGI_video_sync extension (a no-op) 518 - antialiased lines 519 - glGetTexImage() now implemented 520 - glDraw/Copy/ReadPixels() optimizations 521 - optimized textured triangle code (Marten Stromberg) 522 - more optimization of dithered TrueColor triangles in X driver 523 - Linux GGI driver 524 - updated MGL driver 525 Bug fixes: 526 - lots of assorted compilation fixes 527 - glInitNames didn't write initial hit record 528 - glBitmap didn't always check for invalid raster position 529 - switching between GLX and OSMesa contexts caused a crash 530 - fixed uninitialized variable in Mesa widget code 531 - fixed typo in texture code which caused book/texgen to crash 532 - fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP 533 - gluDisk() in POINT or LINE mode sometimes failed 534 - fixed texture + fog bug 535 - GL_COMPILE_AND_EXECUTE mode didn't work reliably 536 - glMultMatrix in projection matrix mode w/ 3Dfx driver could fail 537 - glDrawPixels(color index pixels) weren't converted to RGBA 538 - fixed possible getenv() buffer overflow security bug 539 - glBitmap in feedback mode was offset by xOrig, yOrig params 540 - device driver's DrawPixels hook was never used 541 - glDrawPixels with zoomY!=1 and top/bottom clipping didn't work 542 - glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte 543 - fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c 544 - glCopyTexSubImage2D() didn't work with 3Dfx driver 545 - lines with width = 2 could cause crash 546 - glClear with scissor rect sometimes cleared whole buffer 547 - glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work 548 - glTexImageXD( .. GL_ABGR_EXT .. ) didn't work 549 - computation of inverse modelview matrix sometimes failed 550 - fixed GL_CLAMP mode texture sampling bug 551 - textured line interpolation was somewhat broken 552 - textured triangle interpolation was also somewhat broken 553 - glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one 554 - evaluator state wasn't fully initialized 555 - texture coordinate clipping was buggy 556 - evaluator surfaces could be mis-colored 557 - glAccum(GL_RETURN, s) didn't obey glColorMask() settings 558 - zero area polygons shouldn't be culled if polygon mode is point/line 559 - clipped width and height of glReadPixels was sometimes off by one 560 - blending with alpha = 0 or 1.0 wasn't always exact 561 - reading of pixels from clipped region was buggy 562 - minor tweaking of X visual management in GLX emulator 563 - glPolygonStipple now obeys pixel unpacking parameters 564 - glGetPolygonStipple now obeys pixel packing parameters 565 - interleaved vertex array texture coordinates were broken 566 - query of proxy texture internal format was broken 567 - alpha channel wasn't reliably cleared 568 - fixed divide by zero error in gluScaleImage if dest size = 1 x 1 569 Conformance bug fixes: 570 - GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing 571 - GL_TEXTURE_INTERNAL_FORMAT was missing 572 - glGet*(GL_POLYGON_STIPPLE) was broken 573 - glPush/PopAttrib() didn't save/restore all texture state 574 - glBitmap in feedback mode didn't work 575 - feedback of texture coords didn't always work 576 - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke 577 - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke 578 - glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke 579 Changes: 580 - upgraded GLUT to version 3.7 581 - only GL and GLU library code included in MesaLib.tar.gz 582 - GLUT and all demos now in MesaDemos.tar.gz 583 - glaux and gltk libraries removed 584 - IRIX -n32 and -64 libs go in lib32/ and lib64/ directories 585 586 5873.1 beta 1 November 19, 1998 588 New: 589 - GL_EXT_stencil_wrap extension 590 - GL_INGR_blend_func_separate extension 591 - GL_ARB_multitexture extension 592 - GL_NV_texgen_reflection extension 593 - newly optimized vertex transformation code 594 - updated GLUT 3.7 code 595 - better precision when using 32-bit Z buffer 596 - Allegro DJGPP driver 597 Bug fixes: 598 - glCopyPixels between front/back buffers didn't copy alpha correctly 599 - fixed out-of-bounds memory access in optimized 2-D texture code 600 - glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter 601 - glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter 602 - clipping of texture coordinates sometimes had bad R,Q values 603 - GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels 604 - glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean * 605 - texture was sometimes applied twice with 3Dfx driver 606 - glPush/PopAttrib() fouled up texture object reference counts 607 - glDeleteLists(0, n) caused assertion failure 608 - bilinear texture sampling wasn't accurate enough 609 - glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx 610 - color components were reversed on big endian 32 bpp X visuals 611 Changes: 612 - removed GL_EXT_multitexture extension 613 614 6153.1 beta 2 May 24, 1999 616 New: 617 - multi-textured points and lines (mjk@nvidia.com) 618 - optimized 24bpp X rendering (bernd.paysan@gmx.de) 619 - added allegro support (bernie-t@geocities.com) 620 - cleaned-up Windows-related stuff (Ted Jump) 621 - minor stereo changes (KendallB@scitechsoft.com) 622 - new BeOS driver which implements BGLView class 623 - new Direct3D driver (see src/D3D) 624 - more efficient filled gluCylinder() function 625 - utilities: util/showbuffer.[ch] and util/glstate.[ch] 626 - fixed some IRIX compiler warnings 627 - added support for building Mesa in XFree86 with 628 SGI's GLX (kevin@precisioninsight.com) 629 Bug fixes: 630 - a variety of Windows/Mesa bug fixes (mjk@nvidia.com) 631 - packed pixel images weren't unpacked correctly 632 - patches some win32 files in GLUT (mjk@nvidia.com) 633 - glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX 634 - fixed lighting bug in Keith's new shading code 635 - fixed texture segfault seen in Lament screensaver 636 - fixed miscellaneous low-memory bugs 637 - glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken 638 - GL_LINEAR sampling of 3D textures was broken 639 - fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org) 640 - added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk) 641 - fixed wide point and wide line conformance bugs (brianp) 642 Changes: 643 - some device driver changes (see src/dd.h) 644 - new copyright on core Mesa code 645 646 6473.1 beta 3 September 17, 1999 648 New: 649 - optimized glAccum function 650 - optimized 24bpp rendering in XMesa driver 651 - GLU 1.2 polygon tessellator 652 Bug Fixes: 653 - glGetTexLevelParameter wasn't fully implemented 654 - glXUseXFont now handles multi-byte fonts 655 - glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result 656 - alpha channel of blending points, lines was sometimes incorrect 657 Changes: 658 - New library names: "libGL" instead of "libMesaGL" 659 - New library numbering: libGL.so.1.2.310 660 - New subdirectories: docs/ and bin/ 661 - New Makefile-system (autoconf,automake,libtool) 662 663 6643.1 final December 14, 1999 665 New: 666 - added demos/gloss.c 667 - added xdemos/glxdpyinfo.c 668 - added GLX_ARB_get_proc_address extension 669 - rewritten glTexImage code paths (faster, less memory, bug fixes) 670 Bug Fixes: 671 - several vertex array bug fixes 672 - overlapping glCopyPixels with pixel zooming now works 673 - glXUseXFont() bitmaps were vertically shifted by one pixel 674 - glCopyPixels with pixel zooming now works 675 676 6773.2 (Stabilization of 3.1) March ??, 2000 678 Bug Fixes: 679 (TBD) 680 681 6823.3 (Experimental/advanced development) Month?, ??, 2000 683 New: 684 - antialiased triangles now implemented 685 - GL_EXT_texture_env_add texture mode extension 686 - GLX 1.3 API 687 - support for separate draw/read buffers (ie GL_SGI_make_current_read) 688 - better thread safety 689 - improved glxinfo program 690 - demos/texdown program to measure texture download performance 691 - glext.h header file 692 - demos/geartrain program 693 - GL_EXT_texture_lod_bias extension 694 - demos/lodbias program 695 - further optimized glRead/DrawPixels for 16-bit TrueColor X visuals 696 - GLX_EXT_visual_rating extension (a no-op, however) 697 - GL_HP_occlusion_test demo (for X and OS/Mesa drivers) 698 - demos/occlude program 699 - GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions 700 - demos/pixeltex program 701 Bug Fixes: 702 - none since 3.2 703 Changes: 704 - gl.h now uses #defines instead of C enums for all tokens 705 - glu.h now uses #defines instead of C enums for all tokens 706 To Do: 707 - move 3dfx demos into regular demos/ directory 708