1<HTML> 2 3<TITLE>Mesa Version History</TITLE> 4 5<head><link rel="stylesheet" type="text/css" href="mesa.css"></head> 6 7<BODY> 8 9<body bgcolor="#eeeeee"> 10 11<B> 12NOTE: Changes for Mesa 6.4 and later are documented in the corresponding 13<a href="relnotes.html">release notes</a> file. 14</B> 15 16 17<H1>Mesa Version History</H1> 18 19 20<H2>1.0 beta February 1995</H2> 21<ul> 22<li>Initial release 23</ul> 24 25<H2>1.1 beta March 4, 1995</H2> 26Changes: 27<ul> 28<li>faster point and line drawing (2x faster) 29<li>more systems supported, better Makefiles 30<li>Renamed lib*.a files to avoid collisions 31<li>many small bug fixes 32</ul> 33New: 34<ul> 35<li>pseudo-GLX functions added 36<li>new implementation of evaluators (eval2.c) 37<li>GLUT support 38</ul> 39 40<H2>1.1.1 beta March 7, 1995</H2> 41Changes: 42<ul> 43<li>Reverted from eval2.c to eval.c due to FPE on Linux 44<li>more speed improvements 45<li>more Makefile changes 46</ul> 47 48<H2>1.1.2 beta March 14, 1995</H2> 49New: 50<ul> 51<li>implementation of SGI's blending extensions 52<li>glXUseXFont implemented 53<li>added MESA_DEBUG environment variable support 54</ul> 55Changes: 56<ul> 57<li>Using eval2.c again 58<li>more FPE-prevention checks (0-length normals are OK) 59<li>a few small bug fixes 60<li>much faster pixel logic ops! 61<li>faster transformation arithmetic 62</ul> 63 64<H2>1.1.3 beta March 31, 1995</H2> 65New: 66<ul> 67<li>gluScaleImage() and gluBuild2DMipMaps() implemented 68<li>Mesa widgets for Xt/Motif 69<li>blendEXT demos 70<li>added environment variables for selecting visuals 71</ul> 72Changes: 73<ul> 74<li>almost all GLUT demos work correctly now 75<li>faster X device driver functions 76<li>more bug fixes 77</ul> 78 79<H2>1.1.4 beta April 20, 1995</H2> 80Bug fixes: 81<ul> 82<li>missing #define SEEK_SET in src-tk/image.c 83<li>compile glShadeModel into display lists 84<li>fixed pow() domain error in src/light.c 85<li>fixed "flickering bitmaps" in double buffer mode 86<li>fixed tk.h and aux.h for C++ 87<li>state of LIGHT_MODEL_LOCAL_VIEWER was inverted 88</ul> 89New features: 90<ul> 91<li>MUCH, MUCH nicer dithering in 8-bit RGB mode 92<li>updated widgets and widget demos 93<li>Implemented GLXPixmap functions 94<li>Added GLU 1.1 and GLX 1.1 functions 95<li>Changed the X/Mesa interface API, more versatile 96<li>Implemented gluPartialDisk() 97</ul> 98 99<H2>1.2 May 22, 1995</H2> 100Bug fixes: 101<ul> 102<li>IRIX 4.x makefile problem 103<li>modified tk to share root colormap as needed 104<li>gluLookAt normalization problem 105<li>suppress Expose, NoExpose events in swapbuffers 106<li>glBitmap() and glDrawPixels() clipping 107</ul> 108New features: 109<ul> 110<li>GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture 111 modes implemented 112<li>texture maps stored more efficiently 113<li>texture maps can be compiled into display lists 114<li>Bogdan Sikorski's GLU polygon tesselation code 115<li>Linas Vepstas's sweep and extrusion library 116<li>glXCreateContext()'s shareList parameter works as it's supposed to. 117 XMesaCreateContext() updated to accept a shareList parameter too. 118<li>Mesa can be compiled with real OpenGL .h files 119<li>MESA_BACK_BUFFER environment variable 120<li>better GLX error checking 121</ul> 122 123<h2>1.2.1 June 22, 1995</h2> 124Bug fixes: 125<ul> 126<li>X/Mesa double buffer window resize crash 127<li>widgets now pass PointerMotion events 128<li>X/Mesa incorrect default clear color and drawing color 129<li>more robust X MIT-SHM support in X/Mesa 130<li>glTexImage( format=GL_LUMINANCE ) didn't work 131<li>GL_LINE mode polygons with line width > 1.0 could cause a crash 132<li>numerous feedback bugs 133<li>glReadPixels() from depth buffer was wrong 134<li>error prone depth and stencil buffer allocation 135New features: 136<li>Preliminary Microsoft Windows driver 137<li>Implemented a number of missing functions: glEvalCoord[12][df]v(), 138 glGet...(), etc. 139<li>Added a few missing symbols to gl.h and glu.h 140<li>Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. 141<li>Faster rendering of lines when width=2.0 142<li>Stencil-related functions now work in display lists 143</ul> 144Changes: 145<ul> 146<li>renamed aux.h as glaux.h (MS-DOS names can't start with aux) 147<li>most filenames are in 8.3 format to accomodate MS-DOS 148<li>use GLubytes to store arrays of colors instead of GLints 149</ul> 150 151<h2>1.2.2 August 2, 1995</h2> 152New features: 153<ul> 154<li>texture mapped points and lines 155<li>NURBS! (but not 100% complete) 156<li>viewports may safely extend beyond window boundaries 157<li>MESA_PRIVATE_CMAP environment variable 158<li>Grayscale X display support 159<li>two new demos: demos/gears.c and demos/shadow.c 160<li>MachTen for Macintosh configuration 161</ul> 162Bug fixes: 163<ul> 164<li>glGet*(GL_DEPTH_BITS) returned bytes, not bits 165<li>point, line, and bitmap rasterization suffered from roundoff errors 166<li>fixed a division by zero error in line clippping 167<li>occasional wrong default background color really fixed! 168<li>glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work 169<li>gluBuild2DMipmaps malloc problem fixed 170<li>view volume clipping of smooth shaded lines resulted in bad colors 171</ul> 172Changes: 173<ul> 174<li>new visual selection method in glXChooseVisual() 175<li>improved GLU quadric functions 176<li>call XSync for glFinish and XFlush for glFlush 177<li>glVertex() calls now use a function pointer to avoid conditionals 178<li>removed contrib directory from Mesa tar file (available on ftp site) 179<li>AIX shared library support 180<li>Removed GLUenum type as it's not in OpenGL 181</ul> 182 183<h2>1.2.3 September 26, 1995</h2> 184New features: 185<ul> 186<li>Mesa header files now equivalent to SGI OpenGL headers 187<li>Support for HP's Color Recovery dithering displays 188<li>Faster vertex transformation 189<li>Faster raster operations into X windows under certain conditions 190<li>New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General 191<li>4-bit visuals now supported 192</ul> 193Bug fixes: 194<ul> 195<li>glScissor bug fixed 196<li>round-off errors in clipping lines against clip planes fixed 197<li>byte swapping between hosts and display servers implemented 198<li>glGetError() can be called without a current rendering context 199<li>problem with accidentally culled polygons is fixed 200<li>fixed some widget compilation problems 201</ul> 202 203<h2>1.2.4 November 17, 1995</h2> 204New features: 205<ul> 206<li>More speed improvements (lighting, fogging, polygon drawing) 207<li>Window system and OS-independent off-screen rendering 208<li>Preliminary Fortran bindings 209<li>glPolygonOffsetEXT implemented 210<li>glColorMask and glIndexMask now fully implemented 211<li>glPixelZoom implemented 212<li>display lists fully implemented 213<li>gamma correction 214<li>dithering in 8-bit TrueColor/DirectColor visuals 215</ul> 216Changes: 217<ul> 218<li>Improved device driver interface 219<li>tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk 220<li>Dithering support moved from core into device driver 221</ul> 222Bug fixes: 223<ul> 224<li>glEnable/Disable( GL_LIGHTING ) didn't always take effect 225<li>glReadPixels byte swapping was broken 226<li>glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken 227<li>duplicate glColor4b() prototype in GL/gl.h removed 228<li>stripes in wave -ci demo fixed 229<li>GL_LINEAR_MIPMAP_NEAREST had wrong value 230<li>bugs in HP Color Recovery support fixed 231<li>fixed bug when blending lines, points, bitmaps outside of window 232</ul> 233 234<h2>1.2.5 November 30, 1995</h2> 235New Features: 236<ul> 237<li>updated MS Windows driver 238<li>new implementation of StaticGray/GrayScale visual support 239</ul> 240Bug fixes: 241<ul> 242<li>pixelzooming with gamma correction or blending didn't work 243<li>HP color recovery visual wasn't being picked by glXChooseVisual 244<li>glClear didn't always observe glColorMask changes 245<li>olympic and offset demos didn't compile on some Suns 246<li>texcoord clamping wasn't correct 247<li>a polygon optimization introduced an occasional sampling problem 248</ul> 249 250<h2>1.2.6 January 26, 1996</h2> 251New Features: 252<ul> 253<li>faster line and polygon rendering under certain conditions. See 254 Performance Tips 9 and 10 in README 255<li>profiling 256<li>lighting is a bit faster 257<li>better perspective corrected texture mapping 258<li>Amiga AmiWin (X11) support 259<li>preliminary Linux SVGA driver 260Changes: 261<li>now using a 16-bit depth buffer, faster, smaller 262<li>GL_NORMALIZE is disabled by default 263</ul> 264Bug fixes: 265<ul> 266<li>projective texture mapping 267<li>fixed a memory leak in the context destroy function 268<li>GL_POLYGON with less than 3 vertices caused a crash 269<li>glGet*() returned wrong result for GL_INDEX_MODE 270<li>reading pixels from an unmapped X window caused a BadMatch error 271</ul> 272 273<h2>1.2.7 March 5, 1996</h2> 274New: 275<ul> 276<li>faster lighting 277<li>faster 16-bit TrueColor rendering on Linux 278<li>faster 32-bit TrueColor rendering on Linux, HP, IBM 279<li>non-depth-buffered XImage polygons are faster 280<li>vertex array extension 281<li>software alpha planes 282<li>updated Macintosh driver 283<li>new NeXT driver 284<li>GLU quadric functions generate texture coordinates 285<li>reflect.c demo - reflective, textured surface demo 286</ul> 287Changes: 288<ul> 289<li>gamma correction code moved into the X driver for better performance 290</ul> 291Bug fixes: 292<ul> 293<li>multiple glClipPlane()'s didn't work reliably 294<li>glPolygonMode() didn't always work 295<li>glCullFace( GL_FRONT_AND_BACK ) didn't work 296<li>texture mapping with gamma correction was buggy 297<li>floating point exceptions in texture coordinate interpolation 298<li>XImage byte swapping didn't always work 299<li>polygon edge flags weren't always used correctly 300</ul> 301 302<h2>1.2.8 May 22, 1996</h2> 303New: 304<ul> 305<li>overlay planes on X servers with the SERVER_OVERLAY_VISUALS property 306<li>better monochrome output 307<li>more IRIX 6.x configurations 308<li>more robust RGB mode color allocation 309<li>added MESA_XSYNC environment variable 310<li>GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions 311<li>GL_MESA_window_pos extension 312<li>faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT 313 and GL_UNSIGNED_INT 314<li>driver for prototype Cirrus Mondello 3-D board 315<li>updated AmigaDOS driver 316<li>a few small speed optimizations in polygon rendering 317</ul> 318Changes: 319<ul> 320<li>internal device driver interface modified to simplify device 321 driver implementations and to support hardware Z buffers 322<li>several changes to the X/Mesa interface (xmesa.h) 323</ul> 324Bug fixes: 325<ul> 326<li>fixed pow(0,0) domain error triggered on some systems 327<li>glStencilClear() in a display list caused an infinite loop 328<li>glRasterPos*() was sometimes off by +/-0.5 in X and Y 329<li>color masking and blending were performed in wrong order 330<li>auxSolidCylinder() sometimes drew a wire-frame cylinder 331<li>fixed file writing bug in osdemo.c 332<li>pixel mapping didn't always work 333<li>the GL_GEQUAL stencil func didn't work 334<li>the GL_INVERT stencil op didn't work 335<li>the stencil write mask didn't work 336<li>glPush/PopAttrib() didn't do enough error checking 337<li>glIsList() didn't always work correctly 338</ul> 339 340<h2>2.0 October 10, 1996</h2> 341New: 342<ul> 343<li>Implements OpenGL 1.1 API functions 344<li>all texture filtering modes supported (mipmapping) 345<li>faster texture mapping, see Performance Tip 11 in README 346<li>antialiased RGB points 347<li>X support for line and polygon stippling 348<li>glDrawBuffer( GL_FRONT_AND_BACK ) works 349<li>util/ directory of useful stuff 350<li>demos/texobj demo of texture objects 351</ul> 352Changes: 353<ul> 354<li>major internal changes for thread-safeness 355<li>new device driver interface 356<li>MESA_ALPHA env variable removed 357<li>triangle rasterizer replaces polygon rasterizer 358</ul> 359Bug fixes: 360<ul> 361<li>glPopAttrib() bug 362<li>glDrawBuffer(GL_NONE) works now 363</ul> 364 365<h2>2.1 December 14, 1996</h2> 366New: 367<ul> 368<li>VMS support 369<li>MS-DOS driver 370<li>OpenStep support 371<li>updated, combined Windows 95/NT driver 372<li>implemented glGetLighti() and glGetTexGen*() 373<li>GLX does garbage collection of ancillary buffers 374</ul> 375Bug fixes: 376<ul> 377<li>removed unused _EXT constants from gl.h 378<li>fixed polygon offset bugs 379<li>Z coordinates of clipped lines were incorrect 380<li>glEdgeFlag() in display lists didn't always work 381<li>glLight*() in display lists didn't work 382<li>fixed X line stipple bugs (Michael Pichler) 383<li>glXUseXfonts XFreeFont/XFreeFontInfo bug fixed 384<li>fixed a feedback bug 385<li>glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix 386<li>polygons were sometimes culled instead of clipped 387<li>triangle rasterizer suffered from float/int overflow exceptions 388<li>fixed FP underflow exception in lighting (specular exponent) 389<li>glEnable/glDisable of GL_EXT_vertex_array enums didn't work 390<li>fixed free(NULL) in GLU tesselator code 391<li>using 24-bit color on some X servers resulted in garbage rendering 392<li>32-bit per pixel mode for XFree86 now works 393<li>glRotate(a,0,0,0) gave unpredictable results 394<li>GL_LINE_STRIP with > 480 vertices had occasional clipping problems 395<li>8-bit TrueColor GLXPixmap rendering incorrectly required a colormap 396<li>glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled 397<li>glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right 398<li>accumulation buffer was limited to positive values 399<li>projective textures didn't work 400<li>selection buffer overflows weren't handled correctly 401</ul> 402Changes: 403<ul> 404<li>restored the GL_EXT_polygon_offset extension 405<li>slightly faster RGB dithering 406<li>the SVGA driver works again 407<li>Amiga driver now distributed separately 408<li>NeXT driver updated for Mesa 2.x 409</ul> 410 411<h2>2.2 March 14, 1997</h2> 412New: 413<ul> 414<li>better color selection when dithering 415<li>added GL_EXT_texture_object extension 416<li>updated MS-DOS driver for DJGPP 417<li>added openbsd make configuration 418<li>faster dithered flat-shaded triangles 419<li>various compilation problems with Motif widgets fixed 420<li>gl.h, glx.h and glu.h name mangling option 421<li>BeOS driver 422<li>3D texture mapping extension 423<li>GL_MESA_resize_buffers extension 424<li>morph3d, stex3d and spectex demos 425<li>3Dfx support 426</ul> 427Bug fixes: 428<ul> 429<li>glColorMaterial should finally work right in all respects 430<li>linear interpolation of mipmap levels was incorrectly weighted 431<li>readpix.c didn't compile on Macintosh 432<li>GL_INVERT and related logic ops didn't work right 433<li>glTexImage[12]D() didn't check its parameters consistantly 434<li>fixed a memory leak in glTexImage[12]D() 435<li>kludged around a SunOS 5.x/GCC compiler bug in the feedback code 436<li>glReadPixels aborted instead of normally catching some errors 437<li>a few 1.1 constants were missing or misnamed in gl.h 438<li>glBegin(p); glBegin(q); didn't generate an error 439<li>fixed a memory leak in GLX code 440<li>clipping of concave polygons could cause a core dump 441<li>1-component alpha texture maps didn't work 442<li>fixed a GLU polygon tesselator bug 443<li>polygons with colinear vertices were sometimes culled 444<li>feedback triangle colors were wrong when using smooth shading 445<li>textures with borders didn't work correctly 446<li>colors returned in feedback mode were wrong when using lighting 447<li>spotlights didn't effect ambient lighting correctly 448<li>gluPartialDisk() had a few bugs 449</ul> 450Changes: 451<ul> 452<li>device driver interface expanded to support texture mapping 453<li>faster matrix inversion subroutine 454<li>commented out #include "wmesa_extend.h" from src/wmesa.c 455<li>fixed many compiler warnings in the demo programs 456</ul> 457 458<h2>2.3 June 30, 1997</h2> 459New: 460<ul> 461<li>Mesa distribution divided into two pieces: library code and demos 462<li>faster vertex transformation, clip testing, lighting 463<li>faster line drawing 464<li>TrueColor visuals how have dithering (for depths < 24 bits) 465<li>added MESA_NO_DITHER environment variable 466<li>new device driver function: NearFar(), RenderVB(), RasterSetup() 467<li>added LynxOS configuration 468<li>added cygnus Win32 configuration 469<li>added texcyl.c GLUT demo 470<li>added XMesaDitherColor() to X/Mesa interface 471<li>new NURBS code from Bogdan Sikorski 472<li>added demos/shape.c (non-rectangular X window!) 473</ul> 474Bug fixes: 475<ul> 476<li>glEnable/DisableClientState() were missing from GL/gl.h 477<li>GL_SPHERE_MAP texcoord generation didn't work correctly 478<li>glXGetConfig() returned wrong number of depth, stencil, accum bits 479<li>glDrawPixels feedback/selection didn't examine RasterPos valid bit 480<li>black and white were reversed on some monochrome displays 481<li>fixed potential image memory leak (wasn't setting reference counter) 482<li>glDrawPixels sometimes didn't recognize some GL state changes 483<li>gluProject/UnProject() didn't check for divide by zero 484<li>stex3d demo called random() and srandom(), not portable 485<li>fixed memory leaks in context.c and drawpix.c 486<li>fixed NULL dereferencing problem in gl_update_texture_state() 487<li>glReadPixels between glBegin/glEnd didn't generate an error. 488<li>fixed memory leak in polygon tesselator (Randy Frank) 489<li>fixed seg fault bug drawing flat-shaded, depth-tested lines 490<li>clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded 491<li>glBindTexture sometimes didn't work 492<li>fixed a bug deep in glXReleaseBuffersMESA() 493<li>fog was mistakenly applied to alpha 494<li>glPopMatrix didn't set "dirty matrix" flag 495<li>glPolygonStipple pattern was sometimes wrong 496<li>glClear wasn't disabled during feedback and selection 497<li>fixed memory leak in glTexSubImage[123]D 498</ul> 499Changes: 500<ul> 501<li>many library source files reorganized 502<li>faster X color allocation, colors also freed when finished with them 503<li>new texture sampling function pointer in texture objects 504<li>incorporated 3Dfx VooDoo driver v0.16 into main source tree 505<li>many 3Dfx driver updates 506<li>cygnus Makefiles now included 507<li>updated DOS driver 508<li>made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) 509<li>internally, colors now stored in GLubytes, not GLfixed 510<li>optimized changing of GL_SHININESS parameter 511</ul> 512 513<h2>2.4 September 18, 1997</h2> 514New: 515<ul> 516<li>updated 3Dfx Glide driver 517<li>hacks for 3Dfx rendering into an X window or fullscreen 518<li>added depth buffer access functions to X/Mesa and OS/Mesa interfaces 519</ul> 520Bug fixes: 521<ul> 522<li>pixel buffer could overflow with long, wide lines 523<li>fixed FP underflow problems in lighting 524<li>glTexSubImage1D() had an unitialized variable 525<li>incomplete texture objects could cause a segfault 526<li>glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop 527<li>flat-shaded quads in a strip were miscolored if clipped 528<li>mipmapped triangle lod computation now works correctly 529<li>fixed a few under/overflow bugs in triangle rasterizer 530<li>glArrayElement() assigned bad normal if normal array disabled 531<li>changed argument to glXReleaseBuffersMESA() 532<li>fixed small triangle underflow bugs in tritemp.h (hopefully) 533<li>glBindTexture(target, 0) caused a crash 534<li>glTexImage[123]D() with NULL image pointer caused crash 535<li>glPixelStore parameters are now ignored during display list execution 536<li>fixed a two-sided lighting w/ clipping bug (black vertices) 537<li>textures with width!=height were sometimes mis-rendered 538<li>"weird" projection matrices could cause div by 0, other fp errors 539</ul> 540Changes: 541<ul> 542<li>changed precompiled header symbol from PCH to PC_HEADER 543<li>split api.c into api1.c and api2.c 544<li>added hash.c source file (but not used yet) 545<li>a few Sun and HP configuration file changes 546<li>MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN 547<li>fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) 548</ul> 549 550<h2>2.5 November 20, 1997</h2> 551New: 552<ul> 553<li>updated 3Dfx driver (v20) for GLQuake 554<li>added GL_EXT_paletted_texture extension 555<li>added GL_EXT_shared_texture_palette extension 556<li>added GL_EXT_point_parameters extension 557<li>now including Mark Kilgard's GLUT library v3.6 558<li>new GLUT-based demos in gdemos/ 559<li>added a few more Unix config targets 560<li>added Intel X86 assembly language vertex transformation code 561<li>3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var 562<li>Windows 95 S3 Virge driver 563</ul> 564Bug fixes: 565<ul> 566<li>glCopyTexImage?D would crash due to uninitialized variable 567<li>glColor w/ glColorMaterial in a display list caused a bug 568<li>fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver 569<li>glVertex4*() vertices weren't always projected correctly 570<li>trying to use mipmapped textured points or lines caused crash 571<li>glColor[34][fd]() values now clamped to [0,1] before int conversion 572</ul> 573Changes: 574<ul> 575<li>new device driver functions for texture mapping 576<li>hash tables used for display list and texture object lookup 577<li>fixed GLX visual handling code to avoid saving redundant visuals 578<li>3Dfx Glide libraries automatically linked to libMesaGL.so 579<li>dropped the Cirrus Logic Mondello code since it's obsolete 580<li>updated Cygnus Makefiles (Stephane Rehel) 581<li>updated Windows MSVC++ Makefiles (Oleg Letsinsky) 582<li>procedure for making library files has changed: scripts now take 583 a major and minor version arguments. Make-config changed a lot. 584<li>new implementation of glTexSubImage2D() 585<li>updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) 586<li>separate linux-glide and linux-386-glide configurations 587</ul> 588 589<h2>2.6 February 12, 1998</h2> 590New: 591<ul> 592<li>Windows WGL functions 593<li>updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support 594<li>v0.22 of 3Dfx Glide driver 595<li>more X86 assembly language optimizations 596<li>faster blending for some modes 597<li>XMesaSetFXmode() to switch between 3Dfx window and full-screen mode 598<li>added preliminary thread support 599<li>added GLX_MESA_copy_sub_buffer extension 600<li>some clipping optimizations 601</ul> 602Bug fixes: 603<ul> 604<li>fixed shading/material bug when drawing long primitive strips 605<li>fixed clipping problem in long primitive strips 606<li>fixed clipping bug when using 3Dfx driver 607<li>fixed a problem when trying to use X fonts w/ 3Dfx driver 608<li>fixed a texture filter bug in 3Dfx/Glide driver 609<li>fixed bug in 3Dfx/Glide driver involving depth mask & clearing 610<li>glLoadMatrix to set projection matrix confused the 3Dfx driver 611<li>non-identity texture matrices didn't work with linux-386 configs 612<li>glGenTextures() didn't reserve the returned texture IDs 613<li>NULL proxy image sent to glTexImageXD() caused crash 614<li>added texture state validation optimization (Henk Kok) 615<li>fixed colormap reuse problem when using both RGB and CI windows 616<li>32bpp True/DirectColor X visuals weren't recognized 617<li>fixed potential problem in evaluators memory allocation 618<li>fixed assorted demo compilation bugs 619</ul> 620Changes: 621<ul> 622<li>replaced old Mesa/windows/ directory with Mesa/WIN32/ directory 623<li>converted a few old glaux/gltk demos to GLUT 624<li>renamed directories: demos -> xdemos, gdemos -> demos 625</ul> 626 627 628<h2>3.0 September 17, 1998</h2> 629New: 630<ul> 631<li>OpenGL 1.2 API 632<li>GL_EXT_abgr pixel format extension 633<li>GL_SGIS_texture_edge_clamp extension 634<li>GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) 635<li>GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) 636<li>GL_EXT_rescale_normal extension and renormal.c demo 637<li>GLX_SGI_video_sync extension (a no-op) 638<li>antialiased lines 639<li>glGetTexImage() now implemented 640<li>glDraw/Copy/ReadPixels() optimizations 641<li>optimized textured triangle code (Marten Stromberg) 642<li>more optimization of dithered TrueColor triangles in X driver 643<li>Linux GGI driver 644<li>updated MGL driver 645</ul> 646Bug fixes: 647<ul> 648<li>lots of assorted compilation fixes 649<li>glInitNames didn't write initial hit record 650<li>glBitmap didn't always check for invalid raster position 651<li>switching between GLX and OSMesa contexts caused a crash 652<li>fixed uninitialized variable in Mesa widget code 653<li>fixed typo in texture code which caused book/texgen to crash 654<li>fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP 655<li>gluDisk() in POINT or LINE mode sometimes failed 656<li>fixed texture + fog bug 657<li>GL_COMPILE_AND_EXECUTE mode didn't work reliably 658<li>glMultMatrix in projection matrix mode w/ 3Dfx driver could fail 659<li>glDrawPixels(color index pixels) weren't converted to RGBA 660<li>fixed possible getenv() buffer overflow security bug 661<li>glBitmap in feedback mode was offset by xOrig, yOrig params 662<li>device driver's DrawPixels hook was never used 663<li>glDrawPixels with zoomY!=1 and top/bottom clipping didn't work 664<li>glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte 665<li>fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c 666<li>glCopyTexSubImage2D() didn't work with 3Dfx driver 667<li>lines with width = 2 could cause crash 668<li>glClear with scissor rect sometimes cleared whole buffer 669<li>glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work 670<li>glTexImageXD( .. GL_ABGR_EXT .. ) didn't work 671<li>computation of inverse modelview matrix sometimes failed 672<li>fixed GL_CLAMP mode texture sampling bug 673<li>textured line interpolation was somewhat broken 674<li>textured triangle interpolation was also somewhat broken 675<li>glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one 676<li>evaluator state wasn't fully initialized 677<li>texture coordinate clipping was buggy 678<li>evaluator surfaces could be mis-colored 679<li>glAccum(GL_RETURN, s) didn't obey glColorMask() settings 680<li>zero area polygons shouldn't be culled if polygon mode is point/line 681<li>clipped width and height of glReadPixels was sometimes off by one 682<li>blending with alpha = 0 or 1.0 wasn't always exact 683<li>reading of pixels from clipped region was buggy 684<li>minor tweaking of X visual management in GLX emulator 685<li>glPolygonStipple now obeys pixel unpacking parameters 686<li>glGetPolygonStipple now obeys pixel packing parameters 687<li>interleaved vertex array texture coordinates were broken 688<li>query of proxy texture internal format was broken 689<li>alpha channel wasn't reliably cleared 690<li>fixed divide by zero error in gluScaleImage if dest size = 1 x 1 691</ul> 692Conformance bug fixes: 693<ul> 694<li>GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing 695<li>GL_TEXTURE_INTERNAL_FORMAT was missing 696<li>glGet*(GL_POLYGON_STIPPLE) was broken 697<li>glPush/PopAttrib() didn't save/restore all texture state 698<li>glBitmap in feedback mode didn't work 699<li>feedback of texture coords didn't always work 700<li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke 701<li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke 702<li>glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke 703</ul> 704Changes: 705<ul> 706<li>upgraded GLUT to version 3.7 707<li>only GL and GLU library code included in MesaLib.tar.gz 708<li>GLUT and all demos now in MesaDemos.tar.gz 709<li>glaux and gltk libraries removed 710<li>IRIX -n32 and -64 libs go in lib32/ and lib64/ directories 711</ul> 712 713 714<h2>3.1 beta 1 November 19, 1998</h2> 715New: 716<ul> 717<li>GL_EXT_stencil_wrap extension 718<li>GL_INGR_blend_func_separate extension 719<li>GL_ARB_multitexture extension 720<li>GL_NV_texgen_reflection extension 721<li>newly optimized vertex transformation code 722<li>updated GLUT 3.7 code 723<li>better precision when using 32-bit Z buffer 724<li>Allegro DJGPP driver 725</ul> 726Bug fixes: 727<ul> 728<li>glCopyPixels between front/back buffers didn't copy alpha correctly 729<li>fixed out-of-bounds memory access in optimized 2-D texture code 730<li>glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter 731<li>glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter 732<li>clipping of texture coordinates sometimes had bad R,Q values 733<li>GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels 734<li>glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean * 735<li>texture was sometimes applied twice with 3Dfx driver 736<li>glPush/PopAttrib() fouled up texture object reference counts 737<li>glDeleteLists(0, n) caused assertion failure 738<li>bilinear texture sampling wasn't accurate enough 739<li>glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx 740<li>color components were reversed on big endian 32 bpp X visuals 741</ul> 742Changes: 743<ul> 744<li>removed GL_EXT_multitexture extension 745</ul> 746 747 748<h2>3.1 beta 2 May 24, 1999</h2> 749New: 750<ul> 751<li>multi-textured points and lines (mjk@nvidia.com) 752<li>optimized 24bpp X rendering (bernd.paysan@gmx.de) 753<li>added allegro support (bernie-t@geocities.com) 754<li>cleaned-up Windows-related stuff (Ted Jump) 755<li>minor stereo changes (KendallB@scitechsoft.com) 756<li>new BeOS driver which implements BGLView class 757<li>new Direct3D driver (see src/D3D) 758<li>more efficient filled gluCylinder() function 759<li>utilities: util/showbuffer.[ch] and util/glstate.[ch] 760<li>fixed some IRIX compiler warnings 761<li>added support for building Mesa in XFree86 with 762 SGI's GLX (kevin@precisioninsight.com) 763</ul> 764Bug fixes: 765<ul> 766<li>a variety of Windows/Mesa bug fixes (mjk@nvidia.com) 767<li>packed pixel images weren't unpacked correctly 768<li>patches some win32 files in GLUT (mjk@nvidia.com) 769<li>glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX 770<li>fixed lighting bug in Keith's new shading code 771<li>fixed texture segfault seen in Lament screensaver 772<li>fixed miscellaneous low-memory bugs 773<li>glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken 774<li>GL_LINEAR sampling of 3D textures was broken 775<li>fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org) 776<li>added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk) 777<li>fixed wide point and wide line conformance bugs (brianp) 778</ul> 779Changes: 780<ul> 781<li>some device driver changes (see src/dd.h) 782<li>new copyright on core Mesa code 783</ul> 784 785 786<h2>3.1 beta 3 September 17, 1999</h2> 787New: 788<ul> 789<li>optimized glAccum function 790<li>optimized 24bpp rendering in XMesa driver 791<li>GLU 1.2 polygon tessellator 792</ul> 793Bug Fixes: 794<ul> 795<li>glGetTexLevelParameter wasn't fully implemented 796<li>glXUseXFont now handles multi-byte fonts 797<li>glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result 798<li>alpha channel of blending points, lines was sometimes incorrect 799</ul> 800Changes: 801<ul> 802<li>New library names: "libGL" instead of "libMesaGL" 803<li>New library numbering: libGL.so.1.2.310 804<li>New subdirectories: docs/ and bin/ 805<li>New Makefile-system (autoconf,automake,libtool) 806</ul> 807 808 809<h2>3.1 final December 14, 1999</h2> 810New: 811<ul> 812<li>added demos/gloss.c 813<li>added xdemos/glxdpyinfo.c 814<li>added GLX_ARB_get_proc_address extension 815<li>rewritten glTexImage code paths (faster, less memory, bug fixes) 816</ul> 817Bug Fixes: 818<ul> 819<li>several vertex array bug fixes 820<li>overlapping glCopyPixels with pixel zooming now works 821<li>glXUseXFont() bitmaps were vertically shifted by one pixel 822<li>glCopyPixels with pixel zooming now works 823</ul> 824 825 826<h2>3.2 final April 24, 2000</h2> 827Bug fixes: 828<ul> 829<li>fixed memcpy bugs in span.c 830<li>fixed missing glEnd problem in demos/tessdemo.c 831<li>fixed bug when clearing 24bpp Ximages 832<li>fixed clipping problem found in Unreal Tournament 833<li>fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 834<li>fixed Loki's 3dfx RGB vs BGR bug 835<li>fixed Loki's 3dfx smooth/flat shading bug in SoF 836</ul> 837Changes: 838<ul> 839<li>updated docs/README file 840<li>use bcopy() optimizations on FreeBSD 841<li>re-enabled the optimized persp_textured_triangle() function 842</ul> 843 844 845<h2>3.2.1 July 19, 2000</h2> 846Bug fixes: 847<ul> 848<li>gluBuild2DMipmaps() didn't accept GL_BGRA 849<li>Fixed compile/makefile problems on IRIX 850<li>fixed segfault in 3dfx driver when using GL selection/feedback 851<li>no longer cull very, very tiny triangles 852<li>blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering) 853<li>fixed Motif detection code in widgets-mesa/configure.in 854<li>glColorMaterial and glMaterial updates to emissive and ambient 855 didn't always work right 856<li>Specular highlights weren't always in the right place 857<li>clipped GL_LINE mode polygons had interior lines appear 858<li>blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken 859<li>GL_NICEST fog didn't always work with flat shading 860<li>glRect commands in display lists were sometimes miscolored 861<li>Line Z offset didn't always work 862<li>fixed texgen normal vector problem (gloss's teapot) 863<li>numerous GL conformance bugs fixed 864</ul> 865Changes: 866<ul> 867<li>glColorMask(false, false, false, false) handled better/faster 868<li>reverted to old GLU polygon tessellator, GLU 1.1 869<li>updated Win32 build files 870</ul> 871 872 873<h2>3.3 July 21, 2000</h2> 874New: 875<ul> 876<li>antialiased triangles now implemented 877<li>GL_EXT_texture_env_add texture mode extension 878<li>GLX 1.3 API 879<li>support for separate draw/read buffers (ie GL_SGI_make_current_read) 880<li>thread-safe API dispath 881<li>improved glxinfo program 882<li>demos/texdown program to measure texture download performance 883<li>glext.h header file 884<li>demos/geartrain program 885<li>GL_EXT_texture_lod_bias extension 886<li>demos/lodbias program 887<li>further optimized glRead/DrawPixels for 16-bit TrueColor X visuals 888<li>GLX_EXT_visual_rating extension (a no-op, however) 889<li>GL_HP_occlusion_test extension (for X and OS/Mesa drivers) 890<li>demos/occlude program 891<li>GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions 892<li>demos/pixeltex program 893<li>GL_SGI_color_matrix extension 894<li>GL_SGI_color_table extension 895<li>GL_EXT_histogram extension 896<li>GL_ARB_texture_cube_map extension 897<li>added xdemos/glxheads and xdemos/manywin 898<li>demos/texenv.c demo 899<li>GL_EXT_texture_env_combine extension (by Holger Waechtler) 900<li>Xlib driver is now thread-safe (see xdemos/glthreads) 901<ul> 902Bug Fixes: 903</ul> 904<li>various GL conformance failures fixed since 3.2.1 905</ul> 906Changes: 907<ul> 908<li>gl.h now uses #defines instead of C enums for all tokens 909<li>glu.h now uses #defines instead of C enums for all tokens 910<li>moved programs from 3Dfx/demos/ into demos/ directory 911</ul> 912 913 914<h2>3.4 November 3, 2000</h2> 915New: 916<ul> 917<li>optimized glDrawPixels for glPixelZoom(1,-1) 918Bug Fixes: 919<li>widgets-mesa/src/*.c files were missing from 3.3 distro 920<li>include/GL/mesa_wgl.h file was missing from 3.3 distro 921<li>fixed some Win32 compile problems 922<li>texture object priorities weren't getting initialized to 1.0 923<li>glAreTexturesResident return value was wrong when using hardware 924<li>glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) 925<li>glReadPixels with GLushort packed types was broken 926<li>fixed a few bugs in the GL_EXT_texture_env_combine texture code 927<li>glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables 928<li>fixed some typos/bugs in the VB code 929<li>glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work 930<li>optimized glDrawPixels paths weren't being used 931<li>per-fragment fog calculation didn't work without a Z buffer 932<li>improved blending accuracy, fixes Glean blendFunc test failures 933<li>glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly 934<li>glXGetProcAddressARB() didn't always return the right address 935<li>gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format 936<li>texture matrix changes weren't always detected (GLUT projtex demo) 937<li>fixed random color problem in vertex fog code 938<li>fixed Glide-related bug that let Quake get a 24-bit Z buffer 939<ul> 940Changes: 941</ul> 942<li>finished internal support for compressed textures for DRI 943</ul> 944 945 946<h2>3.4.1 February 14, 2001</h2> 947New: 948<ul> 949<li>fixed some Linux build problems 950<li>fixed some Windows build problems 951<li>GL_EXT_texture_env_dot3 extension (Gareth Hughes) 952</ul> 953Bug fixes: 954<ul> 955<li>added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI 956<li>various state-update code changes needed for DRI bugs 957<li>disabled pixel transfer ops in glColorTable commands, not needed 958<li>fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter 959<li>updated sources and fixed compile problems in widgets-mesa/ 960<li>GLX_PBUFFER enum value was wrong in glx.h 961<li>fixed a glColorMaterial lighting bug 962<li>fixed bad args to Read/WriteStencilSpan in h/w stencil clear function 963<li>glXCopySubBufferMESA() Y position was off by one 964<li>Error checking of glTexSubImage3D() was broken (bug 128775) 965<li>glPopAttrib() didn't restore all derived Mesa state correctly 966<li>Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL 967 conformance problems at 16bpp. 968<li>clearing depth buffer with scissoring was broken, would segfault 969<li>OSMesaGetDepthBuffer() returned bad bytesPerValue value 970<li>fixed a line clipping bug (reported by Craig McDaniel) 971<li>fixed RGB color over/underflow bug for very tiny triangles 972</ul> 973Known problems: 974<ul> 975<li>NURBS or evaluator surfaces inside display lists don't always work 976</ul> 977 978 979<h2>3.4.2 May 17, 2001</h2> 980Bug fixes: 981<ul> 982<li>deleting the currently bound texture could cause bad problems 983<li>using fog could result in random vertex alpha values 984<li>AA triangle rendering could touch pixels outside right window bound 985<li>fixed byteswapping problem in clear_32bit_ximage() function 986<li>fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam 987<li>fixed memory leak in glXUseXFont() 988<li>fragment sampling in AA triangle function was off by 1/2 pixel 989<li>Windows: reading pixels from framebuffer didn't always work 990<li>glConvolutionFilter2D could segfault or cause FP exception 991<li>fixed segfaults in FX and X drivers when using tex unit 1 but not 0 992<li>GL_NAND logicop didn't work right in RGBA mode 993<li>fixed a memory corruption bug in vertex buffer reset code 994<li>clearing the softwara alpha buffer with scissoring was broken 995<li>fixed a few color index mode fog bugs 996<li>fixed some bad assertions in color index mode 997<li>fixed FX line 'stipple' bug #420091 998<li>fixed stencil buffer clear width/height typo 999<li>fixed GL error glitches in gl[Client]ActiveTextureARB() 1000<li>fixed Windows compilation problem in texutil.c 1001<li>fixed 1/8-pixel AA triangle sampling error 1002</ul> 1003Changes: 1004<ul> 1005<li>optimized writing mono-colored pixel spans to X pixmaps 1006<li>increased max viewport size to 2048 x 2048 1007</ul> 1008 1009 1010<h2>3.5 June 21, 2001</h2> 1011New: 1012<ul> 1013<li>internals of Mesa divided into modular pieces (Keith Whitwell) 1014<li>100% OpenGL 1.2 conformance (passes all conformance tests) 1015<li>new AA line algorithm 1016<li>GL_EXT_convolution extension 1017<li>GL_ARB_imaging subset 1018<li>OSMesaCreateContextExt() function 1019<li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 1020<li>GL_MAX_TEXTURE_UNITS_ARB now defaults to eight 1021<li>GL_EXT_fog_coord extension (Keith Whitwell) 1022<li>GL_EXT_secondary_color extension (Keith Whitwell) 1023<li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 1024<li>GL_SGIX_depth_texture extension 1025<li>GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions 1026<li>demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow 1027<li>GL_ARB_texture_env_combine extension 1028<li>GL_ARB_texture_env_dot3 extension 1029<li>GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) 1030<li>OSMesaCreateContextExt() function 1031<li>libOSMesa.so library, contains the OSMesa driver interface 1032<li>GL/glxext.h header file for GLX extensions 1033<li>somewhat faster software texturing, fogging, depth testing 1034<li>all color-index conformance tests now pass (only 8bpp tested) 1035<li>SPARC assembly language TCL optimizations (David Miller) 1036<li>GL_SGIS_generate_mipmap extension 1037</ul> 1038Bug Fixes: 1039<ul> 1040<li>fbiRev and tmuRev were unitialized when using Glide3 1041<li>fixed a few color index mode conformance failures; all pass now 1042<li>now appling antialiasing coverage to alpha after texturing 1043<li>colors weren't getting clamped to [0,1] before color table lookup 1044<li>fixed RISC alignment errors caused by COPY_4UBV macro 1045<li>drawing wide, flat-shaded lines could cause a segfault 1046<li>vertices now snapped to 1/16 pixel to fix rendering of tiny triangles 1047</ul> 1048Changes: 1049<ul> 1050<li>SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU 1051<li>new libOSMesa.so library, contains the OSMesa driver interface 1052</ul> 1053 1054 1055<h2>4.0 October 22, 2001</h2> 1056New: 1057<ul> 1058<li>Mesa 4.0 implements the OpenGL 1.3 specification 1059<li>GL_IBM_rasterpos_clip extension 1060<li>GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) 1061<li>GL_ARB_texture_mirrored_repeat extension 1062<li>WindML UGL driver (Stephane Raimbault) 1063<li>added OSMESA_MAX_WIDTH/HEIGHT queries 1064<li>attempted compiliation fixes for Solaris 5, 7 and 8 1065<li>updated glext.h and glxext.h files 1066<li>updated Windows driver (Karl Schultz) 1067</ul> 1068Bug fixes: 1069<ul> 1070<li>added some missing GLX 1.3 tokens to include/GL/glx.h 1071<li>GL_COLOR_MATRIX changes weren't recognized by teximage functions 1072<li>glCopyPixels with scale and bias was broken 1073<li>glRasterPos with lighting could segfault 1074<li>glDeleteTextures could leave a dangling pointer 1075<li>Proxy textures for cube maps didn't work 1076<li>fixed a number of 16-bit color channel bugs 1077<li>fixed a few minor memory leaks 1078<li>GLX context sharing was broken in 3.5 1079<li>fixed state-update bugs in glPopClientAttrib() 1080<li>fixed glDrawRangeElements() bug 1081<li>fixed a glPush/PopAttrib() bug related to texture binding 1082<li>flat-shaded, textured lines were broken 1083<li>fixed a dangling pointer problem in the XMesa code (Chris Burghart) 1084<li>lighting didn't always produce the correct alpha value 1085<li>fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) 1086</ul> 1087 1088 1089<h2>4.0.1 December 17, 2001</h2> 1090New: 1091<ul> 1092<li>better sub-pixel sample positions for AA triangles (Ray Tice) 1093<li>slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) 1094</ul> 1095Bug fixes: 1096<ul> 1097<li>added missing break statements in glGet*() for multisample cases 1098<li>fixed uninitialized hash table mutex bug (display lists / texobjs) 1099<li>fixed bad teximage error check conditional (bug 476846) 1100<li>fixed demos readtex.c compilation problem on Windows (Karl Schultz) 1101<li>added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT 1102<li>silence some compiler warnings (gcc 2.96) 1103<li>enable the #define GL_VERSION_1_3 in GL/gl.h 1104<li>added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h 1105<li>fixed glu.h typedef problem found with MSDev 6.0 1106<li>build libGL.so with -Bsymbolic (fixes bug found with Chromium) 1107<li>added missing 'const' to glXGetContextIDEXT() in glxext.h 1108<li>fixed a few glXGetProcAddress() errors (texture compression, etc) 1109<li>fixed start index bug in compiled vertex arrays (Keith) 1110<li>fixed compilation problems in src/SPARC/glapi_sparc.S 1111<li>fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) 1112<li>use glXGetProcAddressARB in GLUT to avoid extension linking problems 1113<li>provoking vertex of flat-shaded, color-index triangles was wrong 1114<li>fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) 1115<li>glTexParameter didn't flush the vertex buffer (Ray Tice) 1116<li>feedback attributes for glDraw/CopyPixels and glBitmap were wrong 1117<li>fixed bug in normal length caching (ParaView lighting bug) 1118<li>fixed separate_specular color bug found in Chimera (18 Dec 2001) 1119</ul> 1120 1121 1122<h2>4.0.2 April 2, 2002</h2> 1123New: 1124<ul> 1125<li>New DOS (DJGPP) driver written by Daniel Borca 1126<li>New driver interface functions for TCL drivers (such as Radeon DRI) 1127<li>GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" 1128 if using deep color channels 1129<li>latest GL/glext.h and GL/glxext.h headers from SGI 1130</ul> 1131Bug fixes: 1132<ul> 1133<li>GL_BLEND with non-black texture env color wasn't always correct 1134<li>GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) 1135<li>glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken 1136<li>glReadPixels was sometimes mistakenly clipped by the scissor box 1137<li>glDraw/ReadPixels didn't catch all the errors that they should have 1138<li>Fixed 24bpp rendering problem in Windows driver (Karl Schultz) 1139<li>16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) 1140<li>Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) 1141<li>glColorMask as sometimes effecting glXSwapBuffers() 1142<li>fixed a potential bug in XMesaGarbageCollect() 1143<li>N threads rendering into one window didn't work reliably 1144<li>glCopyPixels didn't work for deep color channels 1145<li>improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) 1146<li>glPopAttrib() didn't correctly restore user clip planes 1147<li>user clip planes failed for some perspective projections (Chromium) 1148</ul> 1149Known bugs: 1150<ul> 1151<li>mipmap LOD computation 1152</ul> 1153 1154 1155<h2>4.0.3 June 25, 2002</h2> 1156New: 1157<ul> 1158<li>updated GL/glext.h file (version 15) 1159<li>corrected MMX blend code (Jose Fonseca) 1160<li>support for software-based alpha planes in Windows driver 1161<li>updated GGI driver (Filip Spacek) 1162</ul> 1163Bug fixes: 1164<ul> 1165<li>glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens 1166<li>OSMesaMakeCurrent() didn't recognize buffer size changes 1167<li>assorted conformance fixes for 16-bit/channel rendering 1168<li>texcombine alpha subtraction mode was broken 1169<li>fixed lighting bug with non-uniform scaling and display lists 1170<li>fixed bug when deleting shared display lists 1171<li>disabled SPARC cliptest assembly code (Mesa bug 544665) 1172<li>fixed a couple Solaris compilation/link problems 1173<li>blending clipped glDrawPixels didn't always work 1174<li>glGetTexImage() didn't accept packed pixel types 1175<li>glPixelMapu[is]v() could explode given too large of pixelmap 1176<li>glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT 1177<li>glXCopyContext() could lead to segfaults 1178<li>glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) 1179</ul> 1180Changes: 1181<ul> 1182<li>lots of C++ (g++) code clean-ups 1183<li>lots of T&L updates for the Radeon DRI driver 1184</ul> 1185Known bugs: 1186<ul> 1187<li>mipmap LOD computation (fixed for Mesa 4.1) 1188</ul> 1189 1190 1191<h2>4.0.4 October 3, 2002</h2> 1192New: 1193<ul> 1194<li>GL_NV_texture_rectangle extension 1195<li>updated glext.h header (version 17) 1196<li>updated DOS driver (Daniel Borca) 1197<li>updated BeOS R5 driver (Philippe Houdoin) 1198<li>added GL_IBM_texture_mirror_repeat 1199<li>glxinfo now takes -l option to print interesting OpenGL limits info 1200<li>GL_MESA_ycbcr_texture extension 1201<li>GL_APPLE_client_storage extension (for some DRI drivers only) 1202<li>GL_MESA_pack_invert extension 1203</ul> 1204Bug fixes: 1205<ul> 1206<li>fixed GL_LINEAR fog bug by adding clamping 1207<li>fixed FP exceptions found using Alpha CPU 1208<li>3dfx MESA_GLX_FX=window (render to window) didn't work 1209<li>fixed memory leak in wglCreateContest (Karl Schultz) 1210<li>define GLAPIENTRY and GLAPI if undefined in glu.h 1211<li>wglGetProcAddress didn't handle all API functions 1212<li>when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map 1213<li>removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() 1214<li>error checking in compressed tex image functions had some glitches 1215<li>fixed AIX compile problem in src/config.c 1216<li>glGetTexImage was using pixel unpacking instead of packing params 1217<li>auto-mipmap generation for cube maps was incorrect 1218</ul> 1219Changes: 1220<ul> 1221<li>max texture units reduced to six to accomodate texture rectangles 1222<li>removed unfinished GL_MESA_sprite_point extension code 1223</ul> 1224 1225 1226<h2>4.1 October 29, 2002</h2> 1227New: 1228<ul> 1229<li>GL_NV_vertex_program extension 1230<li>GL_NV_vertex_program1_1 extension 1231<li>GL_ARB_window_pos extension 1232<li>GL_ARB_depth_texture extension 1233<li>GL_ARB_shadow extension 1234<li>GL_ARB_shadow_ambient extension 1235<li>GL_EXT_shadow_funcs extension 1236<li>GL_ARB_point_parameters extension 1237<li>GL_ARB_texture_env_crossbar 1238<li>GL_NV_point_sprite extension 1239<li>GL_NV_texture_rectangle extension 1240<li>GL_EXT_multi_draw_arrays extension 1241<li>GL_EXT_stencil_two_side extension 1242<li>GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions 1243<li>GL_ATI_texture_mirror_once extension (Ian Romanick) 1244<li>massive overhaul/simplification of software rasterizer module, 1245 many contributions from Klaus Niederkrueger 1246<li>faster software texturing in some cases (i.e. trilinear filtering) 1247<li>new OSMesaGetProcAddress() function 1248<li>more blend modes implemented with MMX code (Jose Fonseca) 1249<li>added glutGetProcAddress() to GLUT 1250<li>added GLUT_FPS env var to compute frames/second in glutSwapBuffers() 1251<li>pbinfo and pbdemo PBuffer programs 1252<li>glxinfo -v prints transprent pixel info (Gerd Sussner) 1253</ul> 1254Bug fixes: 1255<ul> 1256<li>better mipmap LOD computation (prevents excessive blurriness) 1257<li>OSMesaMakeCurrent() didn't recognize buffer size changes 1258<li>assorted conformance fixes for 16-bit/channel rendering 1259<li>texcombine alpha subtraction mode was broken 1260<li>fixed some blend problems when GLchan==GLfloat (Gerk Huisma) 1261<li>clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma) 1262<li>fixed divide by zero error in NURBS tessellator (Jon Perry) 1263<li>fixed GL_LINEAR fog bug by adding clamping 1264<li>fixed FP exceptions found using Alpha CPU 1265<li>3dfx/glide driver render-to-window feature was broken 1266<li>added missing GLX_TRANSPARENT_RGB token to glx.h 1267<li>fixed error checking related to paletted textures 1268<li>fixed reference count error in glDeleteTextures (Randy Fayan) 1269</ul> 1270Changes: 1271<ul> 1272<li>New spec file and Python code to generate some GL dispatch files 1273<li>Glide driver defaults to "no" with autoconf/automake 1274<li>updated demos/stex3d with new options 1275</ul> 1276 1277 1278<h2>5.0 November 13, 2002</h2> 1279New: 1280<ul> 1281<li>OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") 1282<li>removed some overlooked debugging code 1283<li>glxinfo updated to support GLX_ARB_multisample 1284<li>GLUT now support GLX_ARB_multisample 1285<li>updated DOS driver (Daniel Borca) 1286</ul> 1287Bug fixes: 1288<ul> 1289<li>GL_POINT and GL_LINE-mode polygons didn't obey cull state 1290<li>fixed potential bug in _mesa_align_malloc/calloc() 1291<li>fixed missing triangle bug when running vertex programs 1292<li>fixed a few HPUX compilation problems 1293<li>FX (Glide) driver didn't compile 1294<li>setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work 1295<li>a few EXT functions, like glGenTexturesEXT, were no-ops 1296<li>a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, 1297 glMultiDrawArrays and glMultiDrawElements were missing 1298<li>glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken 1299<li>Pentium 4 Mobile was mistakenly identified as having 3DNow! 1300<li>fixed one-bit error in point/line fragment Z calculation 1301<li>fixed potential segfault in fakeglx code 1302<li>fixed color overflow problem in DOT3 texture env mode 1303</ul> 1304 1305 1306<h2>5.0.1 March 30, 2003</h2> 1307New: 1308<ul> 1309<li>DOS driver updates from Daniel Borca 1310<li>updated GL/gl_mangle.h file (Bill Hoffman) 1311Bug fixes: 1312<li>auto mipmap generation for cube maps was broken (bug 641363) 1313<li>writing/clearing software alpha channels was unreliable 1314<li>minor compilation fixes for OS/2 (Evgeny Kotsuba) 1315<li>fixed some bad assertions found with shadowtex demo 1316<li>fixed error checking bug in glCopyTexSubImage2D (bug 659020) 1317<li>glRotate(angle, -x, 0, 0) was incorrect (bug 659677) 1318<li>fixed potential segfault in texture object validation (bug 659012) 1319<li>fixed some bogus code in _mesa_test_os_sse_exception_support (Linus) 1320<li>fix fog stride bug in tnl code for h/w drivers (Michel Danzer) 1321<li>fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) 1322<li>glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 1323<li>fixed compilation problem on Solaris7/x86 (bug 536406) 1324<li>fixed prefetch bug in 3DNow! code (Felix Kuhling) 1325<li>fixed NeXT build problem (FABSF macro) 1326<li>glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) 1327<li>zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) 1328<li>AA line and triangle Z values are now rounded, not truncated 1329<li>fixed color interpolation bug when GLchan==GLfloat (bug 694461) 1330<li>glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) 1331<li>fixed a minor GL_COLOR_MATERIAL bug 1332<li>NV vertex program EXP instruction was broken 1333<li>glColorMask misbehaved with X window / pixmap rendering 1334<li>fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) 1335<li>attempt to fix GGI compilation problem when MesaDemos not present 1336<li>NV vertex program ARL-relative fetches didn't work 1337</ul> 1338Changes: 1339<ul> 1340<li>use glPolygonOffset in gloss demo to avoid z-fighting artifacts 1341<li>updated winpos and pointblast demos to use ARB extensions 1342<li>disable SPARC normal transformation code (bug 673938) 1343<li>GLU fixes for OS/2 (Evgeny Kotsuba) 1344</ul> 1345 1346 1347<h2>5.0.2 September 5, 2003</h2> 1348Bug fixes: 1349<ul> 1350<li>fixed texgen problem causing texcoord's Q to be zero (stex3d) 1351<li>default GL_TEXTURE_COMPARE_MODE_ARB was wrong 1352<li>GL_CURRENT_MATRIX_NV query was wrong 1353<li>GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one 1354<li>GL_LIST_MODE query wasn't correct 1355<li>GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported 1356<li>GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value 1357<li>blended, wide lines didn't always work correctly (bug 711595) 1358<li>glVertexAttrib4svNV w component was always 1 1359<li>fixed bug in GL_IBM_rasterpos_clip (missing return) 1360<li>GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly 1361<li>a few Solaris compilation fixes 1362<li>fixed glClear() problem for DRI drivers (non-existant stencil, etc) 1363<li>fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) 1364<li>fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) 1365<li>glFog() didn't clamp fog colors 1366<li>fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the 1367 gl[Get]TexParameteri[v] functions 1368<li>fixed invalid memory references in glTexGen functions (bug 781602) 1369<li>integer-valued color arrays weren't handled correctly 1370<li>glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work 1371<li>GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 1372</ul> 1373Changes: 1374<ul> 1375<li>build GLUT with -fexceptions so C++ apps propogate exceptions 1376</ul> 1377 1378 1379<h2>5.1 December 17, 2003</h2> 1380New: 1381<ul> 1382<li>reorganized directory tree 1383<li>GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) 1384<li>GL_ATI_texture_env_combine3 extension (Ian Romanick) 1385<li>GL_SGI_texture_color_table extension (Eric Plante) 1386<li>GL_NV_fragment_program extension 1387<li>GL_NV_light_max_exponent extension 1388<li>GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) 1389<li>GL_ARB_occlusion_query extension 1390<li>GL_ARB_point_sprite extension 1391<li>GL_ARB_texture_non_power_of_two extension 1392<li>GL_IBM_multimode_draw_arrays extension 1393<li>GL_EXT_texture_mirror_clamp extension (Ian Romanick) 1394<li>GL_ARB_vertex_buffer_object extension 1395<li>new X86 feature detection code (Petr Sebor) 1396<li>less memory used for display lists and vertex buffers 1397<li>demo of per-pixel lighting with a fragment program (demos/fplight.c) 1398<li>new version (18) of glext.h header 1399<li>new spriteblast.c demo of GL_ARB_point_sprite 1400<li>faster glDrawPixels in X11 driver in some cases (see RELNOTES-5.1) 1401<li>faster glCopyPixels in X11 driver in some cases (see RELNOTES-5.1) 1402</ul> 1403Bug fixes: 1404<ul> 1405<li>really enable OpenGL 1.4 features in DOS driver. 1406<li>fixed issues in glDrawPixels and glCopyPixels for very wide images 1407<li>glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint 1408<li>fixed some texgen bugs reported by Daniel Borca 1409<li>fixed wglMakeCurrent(NULL, NULL) bug (#835861) 1410<li>fixed glTexSubImage3D z-offset bug (Cedric Gautier) 1411<li>fixed RGBA blend enable bug (Ville Syrjala) 1412<li>glAccum is supposed to be a no-op in selection/feedback mode 1413<li>fixed texgen bug #597589 (John Popplewell) 1414</ul> 1415Changes: 1416<ul> 1417<li>dropped API trace feature (src/Trace/) 1418<li>documentation overhaul. merged with website content. more html. 1419<li>glxgears.c demo updated to use GLX swap rate extensions 1420<li>glTexImage1/2/3D now allows width/height/depth = 0 1421<li>disable SPARC asm code on Linux (bug 852204) 1422</ul> 1423 1424 1425<h2>6.0 January 16, 2004</h2> 1426New: 1427<ul> 1428<li>full OpenGL 1.5 support 1429<li>updated GL/glext.h file to version 21 1430Changes: 1431<li>changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h) 1432Bug fixes: 1433<li>fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color 1434 clamping issue 1435<li>updated suno5-gcc configs 1436<li>glColor3 functions sometimes resulted in undefined alpha values 1437<li>fixed FP divide by zero error seen on VMS with xlockmore, others 1438<li>fixed vertex/fragment program debug problem (bug 873011) 1439<li>building on AIX with gcc works now 1440<li>glDeleteProgramsARB failed for ARB fragment programs (bug 876160) 1441<li>glDrawRangeElements tried to modify potentially read-only storage 1442<li>updated files for building on Windows 1443</ul> 1444 1445 1446<h2><a name="6.0.1">6.0.1 April 2, 2004</h2> 1447New: 1448<ul> 1449<li>upgraded glext.h to version 22 1450<li>new build targets (Dan Schikore) 1451<li>new linux-x86-opteron build target (Heath Feather) 1452</ul> 1453Bug fixes: 1454<ul> 1455<li>glBindProgramARB didn't update all necessary state 1456<li>fixed build problems on OpenBSD 1457<li>omit CVS directories from tarballs 1458<li>glGetTexImage(GL_COLOR_INDEX) was broken 1459<li>fixed an infinite loop in t&l module 1460<li>silenced some valgrind warnings about using unitialized memory 1461<li>fixed some compilation/link glitches on IRIX (Mike Stephens) 1462<li>glBindProgram wasn't getting compiled into display lists 1463<li>GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079) 1464<li>two-sided lighting and vertex program didn't work (bug 887330) 1465<li>stores to program parameter registers in vertex state programs 1466 didn't work. 1467<li>fixed glOrtho bug found with gcc 3.2.2 (RH9) 1468<li>glXCreateWindow() wasn't fully implemented (bug 890894) 1469<li>generic vertex attribute arrays didn't work in display lists 1470<li>vertex buffer objects' default usage and access fields were wrong 1471<li>glDrawArrays with start!=0 was broken 1472<li>fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken 1473<li>linux-osmesa16-static config didn't work 1474<li>fixed a few color index rendering problems (bug 910687) 1475<li>glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE 1476<li>OSMesa RGB and BGR modes were broken 1477<li>glProgramStringARB mistakenly required a null-terminated string 1478<li>fragment program XPD instruction was incorrect 1479<li>glGetMaterial() didn't work reliably 1480<li>ARB_fragment_program KIL instruction was incorrect 1481</ul> 1482 1483 1484<h2><a name="6.1">6.1 August 18, 2004</h2> 1485New: 1486<ul> 1487<li>Revamped Makefile system 1488<li>glXUseRotatedXFont() utility (see xdemos/xuserotfont.c) 1489<li>internal driver interface changes related to texture object 1490 allocation, vertex/fragment programs, BlendEquationSeparate, etc. 1491<li>option to walk triangle edges with double-precision floats 1492 (Justin Novosad of Discreet) (see config.h file) 1493<li>support for AUX buffers in software GLX driver 1494<li>updated glext.h to version 24 and glxext.h to version 6 1495<li>new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars 1496<li>updated BeOS support (Philippe Houdoin) 1497</ul> 1498Changes: 1499<ul> 1500<li>fragment fog interpolation is perspective corrected now 1501<li>new glTexImage code, much cleaner, may be a bit faster 1502</ul> 1503Bug fixes: 1504<ul> 1505<li>glArrayElement in display lists didn't handle generic vertex attribs 1506<li>glFogCoord didn't always work properly 1507<li>ARB_fragment_program fog options didn't work 1508<li>frag prog TEX instruction no longer incorrectly divides s,t,r by q 1509<li>ARB frag prog TEX and TEXP instructions now use LOD=0 1510<li>glTexEnviv in display lists didn't work 1511<li>glRasterPos didn't do texgen or apply texture matrix 1512<li>GL_DOUBLE-valued vertex arrays were broken in some cases 1513<li>fixed texture rectangle edge/border sampling bugs 1514<li>sampling an incomplete texture in a fragment program would segfault 1515<li>glTexImage was missing a few error checks 1516<li>fixed some minor glGetTexParameter glitches 1517<li>GL_INTENSITY was mistakenly accepted as a <format> to glTexImage 1518<li>fragment program writes to RC/HC register were broken 1519<li>fixed a few glitches in GL_HP_occlusion_test extension 1520<li>glBeginQueryARB and glEndQueryARB didn't work inside display lists 1521<li>vertex program state references were broken 1522<li>fixed triangle color interpolation bug on AIX (Shane Blackett) 1523<li>fixed a number of minor memory leaks (bug #1002030) 1524</ul> 1525 1526 1527<h2><a name="6.2">6.2 October 2, 2004</h2> 1528New: 1529<ul> 1530<li>enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle) 1531<li>updated Doxygen support (Jose Fonseca) 1532</ul> 1533Changes: 1534<ul> 1535<li>some GGI driver updates (Christoph Egger, bug 1025977) 1536</ul> 1537Bug fixes: 1538<ul> 1539<li>Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features 1540<li>fixed a few compilation issues on IRIX 1541<li>fixed a matrix classification bug (reported by Wes Bethel) 1542<li>we weren't reseting the vertex/fragment program error state 1543 before parsing (Dave Reveman) 1544<li>adjust texcoords for sampling texture rectangles (Dave Reveman) 1545<li>glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented 1546<li>repeated calls to glDeleteTexture(t) could lead to a crash 1547<li>fixed potential ref count bugs in VBOs and vertex/fragment programs 1548<li>spriteblast demo didn't handle window size changes correctly 1549<li>glTexSubImage didn't handle pixels=NULL correctly for PBOs 1550<li>fixed color index mode glDrawPixels bug (Karl Schultz) 1551</ul> 1552 1553 1554<h2><a name="6.2.1">6.2.1 December 9, 2004</h2> 1555Bug fixes: 1556<ul> 1557<li>don't apply regular fog or color sum when using a fragment program 1558<li>glProgramEnvParameter4fARB always generated an error on 1559 GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645) 1560<li>glVertexAttrib3svNV and glVertexAttrib3svARB were broken 1561<li>fixed width/height mix-up in glSeparableFilter2D() 1562<li>fixed regression in glCopyPixels + convolution 1563<li>glReadPixels from a clipped front color buffer didn't always work 1564<li>glTexImage didn't accept GL_RED/GREEN/BLUE as the format 1565<li>Attempting queries/accesses of VBO 0 weren't detected as errors 1566<li>paletted textures failed if the palette had fewer than 256 entries 1567</ul> 1568Changes: 1569<ul> 1570<li>fixed a bunch of compiler warnings found with gcc 3.4 1571<li>bug reports should to go bugzilla.freedesktop.org 1572</ul> 1573 1574 1575<h2><a name="6.3">6.3 July 20, 2005</h2> 1576New: 1577<ul> 1578<li>GL_EXT_framebuffer_object extension 1579<li>GL_ARB_draw_buffers extension 1580<li>GL_ARB_pixel_buffer_object extension 1581<li>GL_OES_read_format extension (Ian Romanick) 1582<li>DirectFB driver (Claudio Ciccani) 1583<li>x86_64 vertex transformation code (Mikko T.) 1584<li>Updated GL/glext.h to version 29 1585</ul> 1586Changes: 1587<ul> 1588<li>added -stereo option for glxgears demo (Jacek Rosik) 1589<li>updated the PBuffer demo code in xdemos/ directory 1590<li>glDeleteTextures/Programs/Buffers() now makes the object ID 1591 available for immediate re-use 1592<li>assorted 64-bit clean-ups fixes (x86_64 and Win64) 1593<li>lots of internal changes for GL_EXT_framebuffer_object 1594</ul> 1595Bug fixes: 1596<ul> 1597<li>some functions didn't support PBO functionality 1598<li>glGetTexImage didn't convert color index images to RGBA as required 1599<li>fragment program texcoords were sometimes wrong for points and lines 1600<li>fixed problem with negative dot product in arbfplight, fplight demos 1601<li>fixed bug in perspective correction of antialiased, textured lines 1602<li>querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value 1603<li>fixed a couple per-pixel fog bugs (Soju Matsumoto) 1604<li>glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken 1605<li>fixed float parsing bug in ARB frag/vert programs (bug 2520) 1606<li>XMesaGetDepthBuffer() returned incorrect value for bytesPerValue 1607<li>GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha 1608<li>glXChooseFBConfig() crashed if attribList pointer was NULL 1609<li>program state.light[n].spot.direction.w was wrong value (bug 3083) 1610<li>fragment program fog option required glEnable(GL_FOG) - wrong. 1611<li>glColorTable() could produce a Mesa implementation error (bug 3135) 1612<li>RasterPos could get corrupted by color index rendering path 1613<li>Removed bad XTranslateCoordinates call when rendering to Pixmaps 1614<li>glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state 1615<li>fixed a few Darwin compilation problems 1616</ul> 1617 1618 1619<h2><a name="6.3.1">6.3.1</h2> 1620<p> 1621This was an intermediate release for X.org which wasn't otherwise released.) 1622</p> 1623 1624 1625<h2><a name="6.3.2">6.3.2 August 19, 2005</h2> 1626New: 1627<ul> 1628<li>The distribution now includes the DRI drivers and GLX code 1629</ul> 1630Changes: 1631<ul> 1632<li>Made the DRI "new" driver interface standard, remove old code 1633</ul> 1634Bug fixes: 1635<ul> 1636<li>GL_ARB_vertex/fragment_shader were mistakenly listed in the 1637 extensions string 1638<li>negative relative addressing in vertex programs was broken 1639<li>update/fix SPARC assembly code for vertex transformation 1640<li>fixed memory leak when freeing GLX drawables/renderbuffers 1641<li>fixed display list memory leak 1642<li>the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer 1643<li>wglGetProcAddress() didn't handle wgl-functions 1644<li>fixed glxext.h cross-compile issue (Colin Harrison) 1645<li>assorted DRI driver fixes 1646</ul> 1647 1648 1649<B> 1650NOTE: Changes for Mesa 6.4 and later are documented in the corresponding 1651<a href="relnotes.html">release notes</a> file. 1652</B> 1653 1654 1655</body> 1656</html> 1657