news.html revision 546214f3c8aa7c63df8c77267dab16831dc7f884
1<HTML> 2 3<TITLE>Mesa News</TITLE> 4 5<BODY text="#000000" bgcolor="#55bbff"> 6 7<H1>News</H1> 8 9 10<h2>January 16, 2004</h2> 11 12<p> 13Mesa 6.0 has been released. This is a stabilization of the 5.1 release 14and primarily just incorporates bug fixes. 15</p> 16<pre> 17 New: 18 - full OpenGL 1.5 support 19 - updated GL/glext.h file to version 21 20 Changes: 21 - changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h) 22 Bug fixes: 23 - fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color 24 clamping issue 25 - updated suno5-gcc configs 26 - glColor3 functions sometimes resulted in undefined alpha values 27 - fixed FP divide by zero error seen on VMS with xlockmore, others 28 - fixed vertex/fragment program debug problem (bug 873011) 29 - building on AIX with gcc works now 30 - glDeleteProgramsARB failed for ARB fragment programs (bug 876160) 31 - glDrawRangeElements tried to modify potentially read-only storage 32 - updated files for building on Windows 33</pre> 34 35 36 37<h2>December 28, 2003</h2> 38 39<p> 40The Mesa CVS server has been moved to <a href="http://www.freedesktop.org" 41target="_parent"> 42freedesktop.org</a> because of problems with SourceForge's anonymous 43CVS service. 44</p> 45 46<p>Please see the <a href="cvs_access.html">CVS access page</a> for details. 47</p> 48 49 50<h2>December 17, 2003</h2> 51 52<p> 53Mesa 5.1 has been released. This is a new development release. 54Mesa 6.0 will be the next stable release and will support all 55OpenGL 1.5 features. 56</p> 57<pre> 58 New features: 59 - reorganized directory tree 60 - GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) 61 - GL_ATI_texture_env_combine3 extension (Ian Romanick) 62 - GL_SGI_texture_color_table extension (Eric Plante) 63 - GL_NV_fragment_program extension 64 - GL_NV_light_max_exponent extension 65 - GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) 66 - GL_ARB_occlusion_query extension 67 - GL_ARB_point_sprite extension 68 - GL_ARB_texture_non_power_of_two extension 69 - GL_IBM_multimode_draw_arrays extension 70 - GL_EXT_texture_mirror_clamp extension (Ian Romanick) 71 - GL_ARB_vertex_buffer_object extension 72 - new X86 feature detection code (Petr Sebor) 73 - less memory used for display lists and vertex buffers 74 - demo of per-pixel lighting with a fragment program (demos/fplight.c) 75 - new version (18) of glext.h header 76 - new spriteblast.c demo of GL_ARB_point_sprite 77 - faster glDrawPixels in X11 driver in some cases (see RELNOTES-5.1) 78 - faster glCopyPixels in X11 driver in some cases (see RELNOTES-5.1) 79 Bug fixes: 80 - really enable OpenGL 1.4 features in DOS driver. 81 - fixed issues in glDrawPixels and glCopyPixels for very wide images 82 - glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint 83 - fixed some texgen bugs reported by Daniel Borca 84 - fixed wglMakeCurrent(NULL, NULL) bug (#835861) 85 - fixed glTexSubImage3D z-offset bug (Cedric Gautier) 86 - fixed RGBA blend enable bug (Ville Syrjala) 87 - glAccum is supposed to be a no-op in selection/feedback mode 88 - fixed texgen bug #597589 (John Popplewell) 89 Changes: 90 - dropped API trace feature (src/Trace/) 91 - documentation overhaul. merged with website content. more html. 92 - glxgears.c demo updated to use GLX swap rate extensions 93 - glTexImage1/2/3D now allows width/height/depth = 0 94 - disable SPARC asm code on Linux (bug 852204) 95</pre> 96 97The MD5 checksums are: 98</p> 99<pre> 10078f452f6c55478471a744f07147612b5 MesaLib-5.1.tar.gz 10167b3b8d3f7f4c8c44904551b851d01af MesaLib-5.1.tar.bz2 1026dd19ffa750ec7f634e370a987505c9d MesaLib-5.1.zip 103e0214d4ebb22409dfa9262f2b52fd828 MesaDemos-5.1.tar.gz 104066c9aff4fd924405de1ae9bad5ec9a7 MesaDemos-5.1.tar.bz2 105d2b5ba32b53e0ad0576c637a4cc1fb41 MesaDemos-5.1.zip 106</pre> 107 108 109<H2>November 12, 2003</H2> 110 111<p> 112New Mesa 5.0.2 tarballs have been uploaded to SourceForge which fix a 113number of automake/libtool problems. 114</p> 115<p> 116The new MD5 checksums are: 117</p> 118<pre> 119a9dcf3ff9ad1b7d6ce73a0df7cff8b5b MesaLib-5.0.2.tar.gz 1207b4bf9261657c2fca03796d4955e6f50 MesaLib-5.0.2.tar.bz2 12179c141bddcbad557647535d02194f346 MesaLib-5.0.2.zip 122952d9dc823dd818981d1a648d7b2668a MesaDemos-5.0.2.tar.gz 123b81fafff90995025d2f25ea02b786642 MesaDemos-5.0.2.tar.bz2 124a21be975589e8a2d1871b6bb7874fffa MesaDemos-5.0.2.zip 125</pre> 126 127 128 129<h2>September 5, 2003</h2> 130 131<p> 132Mesa 5.0.2 has been released. This is a stable, bug-fix release. 133</p> 134<pre> 135 Bug fixes: 136 - fixed texgen problem causing texcoord's Q to be zero (stex3d) 137 - default GL_TEXTURE_COMPARE_MODE_ARB was wrong 138 - GL_CURRENT_MATRIX_NV query was wrong 139 - GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one 140 - GL_LIST_MODE query wasn't correct 141 - GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported 142 - GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value 143 - blended, wide lines didn't always work correctly (bug 711595) 144 - glVertexAttrib4svNV w component was always 1 145 - fixed bug in GL_IBM_rasterpos_clip (missing return) 146 - GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly 147 - a few Solaris compilation fixes 148 - fixed glClear() problem for DRI drivers (non-existant stencil, etc) 149 - fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) 150 - fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) 151 - glFog() didn't clamp fog colors 152 - fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the 153 gl[Get]TexParameteri[v] functions 154 - fixed invalid memory references in glTexGen functions (bug 781602) 155 - integer-valued color arrays weren't handled correctly 156 - glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work 157 - GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 158 Changes: 159 - build GLUT with -fexceptions so C++ apps propogate exceptions 160</pre> 161 162 163 164<h2>June 2003</h2> 165 166<p> 167Mesa's directory tree has been overhauled. 168Things are better organized now with some thought toward future needs. 169</p> 170<p> 171In CVS, the latest Mesa 5.1 development code is now rooted under the 172<b>Mesa-newtree/</b> directory. The old top-level <b>Mesa/</b> directory 173holds the Mesa 5.0.x code which will be abandoned at some point. 174</p> 175 176 177 178<h2>March 30, 2003</h2> 179 180<p> 181Mesa 5.0.1 has been released. This is a stable, bug-fix release. 182</p> 183<pre> 184 New: 185 - DOS driver updates from Daniel Borca 186 - updated GL/gl_mangle.h file (Bill Hoffman) 187 Bug fixes: 188 - auto mipmap generation for cube maps was broken (bug 641363) 189 - writing/clearing software alpha channels was unreliable 190 - minor compilation fixes for OS/2 (Evgeny Kotsuba) 191 - fixed some bad assertions found with shadowtex demo 192 - fixed error checking bug in glCopyTexSubImage2D (bug 659020) 193 - glRotate(angle, -x, 0, 0) was incorrect (bug 659677) 194 - fixed potential segfault in texture object validation (bug 659012) 195 - fixed some bogus code in _mesa_test_os_sse_exception_support (Linus) 196 - fix fog stride bug in tnl code for h/w drivers (Michel Danzer) 197 - fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) 198 - glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 199 - fixed compilation problem on Solaris7/x86 (bug 536406) 200 - fixed prefetch bug in 3DNow! code (Felix Kuhling) 201 - fixed NeXT build problem (FABSF macro) 202 - glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) 203 - zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) 204 - AA line and triangle Z values are now rounded, not truncated 205 - fixed color interpolation bug when GLchan==GLfloat (bug 694461) 206 - glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) 207 - fixed a minor GL_COLOR_MATERIAL bug 208 - NV vertex program EXP instruction was broken 209 - glColorMask misbehaved with X window / pixmap rendering 210 - fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) 211 - attempt to fix GGI compilation problem when MesaDemos not present 212 - NV vertex program ARL-relative fetches didn't work 213 Changes: 214 - use glPolygonOffset in gloss demo to avoid z-fighting artifacts 215 - updated winpos and pointblast demos to use ARB extensions 216 - disable SPARC normal transformation code (bug 673938) 217 - GLU fixes for OS/2 (Evgeny Kotsuba) 218</pre> 219<p> 220MD5 checksums follow: 221</p> 222<pre> 223b80f8b5d53a3e9f19b9fde5af0c542f0 MesaLib-5.0.1.tar.gz 224513b4bbd7d38951f05027179063d876b MesaLib-5.0.1.tar.bz2 225eebd395678f4520d33b267e5d5c22651 MesaLib-5.0.1.zip 22649d7feaec6dc1d2091d7c3cc72a9b320 MesaDemos-5.0.1.tar.gz 22737190374a98c3c892f0698be9ca3acf0 MesaDemos-5.0.1.tar.bz2 228becd8bf17f5791361b4a54ba2a78e5c9 MesaDemos-5.0.1.zip 229</pre> 230 231 232 233<h2>March 7, 2003</h2> 234<p> 235Website and documentation overhaul. 236</p> 237<p> 238The website content and Mesa documentation (from the doc/ directory) have 239been merged together. 240All the documentation files have been entered into the CVS repository. 241Many of the old plain-text files have been converted to html and modernized. 242</p> 243 244 245<h2>November 13, 2002</h2> 246<p>Mesa 5.0 has been released. This is a stable release which 247implements the OpenGL 1.4 specification. 248</p><pre>New: 249 - OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") 250 - removed some overlooked debugging code 251 - glxinfo updated to support GLX_ARB_multisample 252 - GLUT now support GLX_ARB_multisample 253 - updated DOS driver (Daniel Borca) 254Bug fixes: 255 - GL_POINT and GL_LINE-mode polygons didn't obey cull state 256 - fixed potential bug in _mesa_align_malloc/calloc() 257 - fixed missing triangle bug when running vertex programs 258 - fixed a few HPUX compilation problems 259 - FX (Glide) driver didn't compile 260 - setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work 261 - a few EXT functions, like glGenTexturesEXT, were no-ops 262 - a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, 263 glMultiDrawArrays and glMultiDrawElements were missing 264 - glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken 265 - Pentium 4 Mobile was mistakenly identified as having 3DNow! 266 - fixed one-bit error in point/line fragment Z calculation 267 - fixed potential segfault in fakeglx code 268 - fixed color overflow problem in DOT3 texture env mode 269</pre> 270 271 272<h2>October 29, 2002</h2> 273<p>Mesa 4.1 has been released. This is a new development release. 274For a stable release, get 4.0.4. 275</p><pre>New: 276 - GL_NV_vertex_program extension 277 - GL_NV_vertex_program1_1 extension 278 - GL_ARB_window_pos extension 279 - GL_ARB_depth_texture extension 280 - GL_ARB_shadow extension 281 - GL_ARB_shadow_ambient extension 282 - GL_EXT_shadow_funcs extension 283 - GL_ARB_point_parameters extension 284 - GL_ARB_texture_env_crossbar 285 - GL_NV_point_sprite extension 286 - GL_NV_texture_rectangle extension 287 - GL_EXT_multi_draw_arrays extension 288 - GL_EXT_stencil_two_side extension 289 - GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions 290 - GL_ATI_texture_mirror_once extension (Ian Romanick) 291 - massive overhaul/simplification of software rasterizer module, 292 many contributions from Klaus Niederkrueger 293 - faster software texturing in some cases (i.e. trilinear filtering) 294 - new OSMesaGetProcAddress() function 295 - more blend modes implemented with MMX code (Jose Fonseca) 296 - added glutGetProcAddress() to GLUT 297 - added GLUT_FPS env var to compute frames/second in glutSwapBuffers() 298 - pbinfo and pbdemo PBuffer programs 299 - glxinfo -v prints transprent pixel info (Gerd Sussner) 300Bug fixes: 301 - better mipmap LOD computation (prevents excessive blurriness) 302 - OSMesaMakeCurrent() didn't recognize buffer size changes 303 - assorted conformance fixes for 16-bit/channel rendering 304 - texcombine alpha subtraction mode was broken 305 - fixed some blend problems when GLchan==GLfloat (Gerk Huisma) 306 - clamp colors to [0,1] in OSMesa if GLchan==GLfloat (Gerk Huisma) 307 - fixed divide by zero error in NURBS tessellator (Jon Perry) 308 - fixed GL_LINEAR fog bug by adding clamping 309 - fixed FP exceptions found using Alpha CPU 310 - 3dfx/glide driver render-to-window feature was broken 311 - added missing GLX_TRANSPARENT_RGB token to glx.h 312 - fixed error checking related to paletted textures 313 - fixed reference count error in glDeleteTextures (Randy Fayan) 314Changes: 315 - New spec file and Python code to generate some GL dispatch files 316 - Glide driver defaults to "no" with autoconf/automake 317 - floating point color channels now clamped to [0,inf) 318 - updated demos/stex3d with new options 319</pre> 320 321 322<h2>October 4, 2002</h2> 323<p> 324The <a href="http://mesa3d.sourceforge.net/docs/MesaFAQ.html">Mesa FAQ</a> has been rewritten. 325</p> 326 327<h2>October 3, 2002</h2> 328<p>Mesa 4.0.4 has been released. This is a stable bug-fix release. 329</p><pre> New: 330 - GL_NV_texture_rectangle extension 331 - updated glext.h header (version 17) 332 - updated DOS driver (Daniel Borca) 333 - updated BeOS R5 driver (Philippe Houdoin) 334 - added GL_IBM_texture_mirror_repeat 335 - glxinfo now takes -l option to print interesting OpenGL limits info 336 - GL_MESA_ycbcr_texture extension 337 - GL_APPLE_client_storage extension (for some DRI drivers only) 338 - GL_MESA_pack_invert extension 339 Bug fixes: 340 - fixed GL_LINEAR fog bug by adding clamping 341 - fixed FP exceptions found using Alpha CPU 342 - 3dfx MESA_GLX_FX=window (render to window) didn't work 343 - fixed memory leak in wglCreateContest (Karl Schultz) 344 - define GLAPIENTRY and GLAPI if undefined in glu.h 345 - wglGetProcAddress didn't handle all API functions 346 - when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map 347 - removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() 348 - error checking in compressed tex image functions had some glitches 349 - fixed AIX compile problem in src/config.c 350 - glGetTexImage was using pixel unpacking instead of packing params 351 - auto-mipmap generation for cube maps was incorrect 352 Changes: 353 - max texture units reduced to six to accomodate texture rectangles 354 - removed unfinished GL_MESA_sprite_point extension code 355</pre> 356 357<h2>June 25, 2002</h2> 358<p>Mesa 4.0.3 has been released. This is a stable bug-fix release. 359</p><pre> New: 360 - updated GL/glext.h file (version 15) 361 - corrected MMX blend code (Jose Fonseca) 362 - support for software-based alpha planes in Windows driver 363 - updated GGI driver (Filip Spacek) 364 Bug fixes: 365 - glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens 366 - OSMesaMakeCurrent() didn't recognize buffer size changes 367 - assorted conformance fixes for 16-bit/channel rendering 368 - texcombine alpha subtraction mode was broken 369 - fixed lighting bug with non-uniform scaling and display lists 370 - fixed bug when deleting shared display lists 371 - disabled SPARC cliptest assembly code (Mesa bug 544665) 372 - fixed a couple Solaris compilation/link problems 373 - blending clipped glDrawPixels didn't always work 374 - glGetTexImage() didn't accept packed pixel types 375 - glPixelMapu[is]v() could explode given too large of pixelmap 376 - glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT 377 - glXCopyContext() could lead to segfaults 378 - glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) 379 Changes: 380 - lots of C++ (g++) code clean-ups 381 - lots of T&L updates for the Radeon DRI driver 382 Known bugs: 383 - mipmap LOD computation (fixed for Mesa 4.1) 384</pre> 385 386<h2>April 2, 2002</h2> 387<p>Mesa 4.0.2 has been released. This is a stable bug-fix release. 388</p><pre> New: 389 - New DOS (DJGPP) driver written by Daniel Borca 390 - New driver interface functions for TCL drivers (such as Radeon DRI) 391 - GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" 392 if using deep color channels 393 - latest GL/glext.h and GL/glxext.h headers from SGI 394 Bug fixes: 395 - GL_BLEND with non-black texture env color wasn't always correct 396 - GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) 397 - glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken 398 - glReadPixels was sometimes mistakenly clipped by the scissor box 399 - glDraw/ReadPixels didn't catch all the errors that they should have 400 - Fixed 24bpp rendering problem in Windows driver (Karl Schultz) 401 - 16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) 402 - Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) 403 - glColorMask as sometimes effecting glXSwapBuffers() 404 - fixed a potential bug in XMesaGarbageCollect() 405 - N threads rendering into one window didn't work reliably 406 - glCopyPixels didn't work for deep color channels 407 - improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) 408 - glPopAttrib() didn't correctly restore user clip planes 409 - user clip planes failed for some perspective projections (Chromium) 410</pre> 411 412<h2>December 17, 2001</h2> 413<p>Mesa 4.0.1 has been released. This is a stable bug-fix release. 414</p><pre> New: 415 - better sub-pixel sample positions for AA triangles (Ray Tice) 416 - slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) 417 Bug fixes: 418 - added missing break statements in glGet*() for multisample cases 419 - fixed uninitialized hash table mutex bug (display lists / texobjs) 420 - fixed bad teximage error check conditional (bug 476846) 421 - fixed demos readtex.c compilation problem on Windows (Karl Schultz) 422 - added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT 423 - silence some compiler warnings (gcc 2.96) 424 - enable the #define GL_VERSION_1_3 in GL/gl.h 425 - added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h 426 - fixed glu.h typedef problem found with MSDev 6.0 427 - build libGL.so with -Bsymbolic (fixes bug found with Chromium) 428 - added missing 'const' to glXGetContextIDEXT() in glxext.h 429 - fixed a few glXGetProcAddress() errors (texture compression, etc) 430 - fixed start index bug in compiled vertex arrays (Keith) 431 - fixed compilation problems in src/SPARC/glapi_sparc.S 432 - fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) 433 - use glXGetProcAddressARB in GLUT to avoid extension linking problems 434 - provoking vertex of flat-shaded, color-index triangles was wrong 435 - fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) 436 - glTexParameter didn't flush the vertex buffer (Ray Tice) 437 - feedback attributes for glDraw/CopyPixels and glBitmap were wrong 438 - fixed bug in normal length caching (ParaView lighting bug) 439</pre> 440 441<h2>October 22, 2001</h2> 442<p>Mesa 4.0 has been released. This is a stable release. 443</p><pre> New: 444 - Mesa 4.0 implements the OpenGL 1.3 specification 445 - GL_IBM_rasterpos_clip extension 446 - GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) 447 - GL_ARB_texture_mirrored_repeat extension 448 - WindML UGL driver (Stephane Raimbault) 449 - added OSMESA_MAX_WIDTH/HEIGHT queries 450 - attempted compiliation fixes for Solaris 5, 7 and 8 451 - updated glext.h and glxext.h files 452 - updated Windows driver (Karl Schultz) 453 Bug fixes: 454 - added some missing GLX 1.3 tokens to include/GL/glx.h 455 - GL_COLOR_MATRIX changes weren't recognized by teximage functions 456 - glCopyPixels with scale and bias was broken 457 - glRasterPos with lighting could segfault 458 - glDeleteTextures could leave a dangling pointer 459 - Proxy textures for cube maps didn't work 460 - fixed a number of 16-bit color channel bugs 461 - fixed a few minor memory leaks 462 - GLX context sharing was broken in 3.5 463 - fixed state-update bugs in glPopClientAttrib() 464 - fixed glDrawRangeElements() bug 465 - fixed a glPush/PopAttrib() bug related to texture binding 466 - flat-shaded, textured lines were broken 467 - fixed a dangling pointer problem in the XMesa code (Chris Burghart) 468 - lighting didn't always produce the correct alpha value 469 - fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) 470</pre> 471 472 473<h2>June 21, 2001</h2> 474<p>Mesa 3.5 has been released. This is a new development release. 475</p><pre> New: 476 - internals of Mesa divided into modular pieces (Keith Whitwell) 477 - 100% OpenGL 1.2 conformance (passes all conformance tests) 478 - new AA line algorithm 479 - GL_EXT_convolution extension 480 - GL_ARB_imaging subset 481 - OSMesaCreateContextExt() function 482 - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 483 - GL_MAX_TEXTURE_UNITS_ARB now defaults to eight 484 - GL_EXT_fog_coord extension (Keith Whitwell) 485 - GL_EXT_secondary_color extension (Keith Whitwell) 486 - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 487 - GL_SGIX_depth_texture extension 488 - GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions 489 - demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow 490 - GL_ARB_texture_env_combine extension 491 - GL_ARB_texture_env_dot3 extension 492 - GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) 493 - OSMesaCreateContextExt() function 494 - libOSMesa.so library, contains the OSMesa driver interface 495 - GL/glxext.h header file for GLX extensions 496 - somewhat faster software texturing, fogging, depth testing 497 - all color-index conformance tests now pass (only 8bpp tested) 498 - SPARC assembly language TCL optimizations (David Miller) 499 - GL_SGIS_generate_mipmap extension 500 Bug Fixes: 501 - fbiRev and tmuRev were unitialized when using Glide3 502 - fixed a few color index mode conformance failures; all pass now 503 - now appling antialiasing coverage to alpha after texturing 504 - colors weren't getting clamped to [0,1] before color table lookup 505 - fixed RISC alignment errors caused by COPY_4UBV macro 506 - drawing wide, flat-shaded lines could cause a segfault 507 - vertices now snapped to 1/16 pixel to fix rendering of tiny triangles 508 Changes: 509 - SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU 510 - new libOSMesa.so library, contains the OSMesa driver interface 511</pre> 512 513 514<h2>May 17, 2001</h2> 515<p>Mesa 3.4.2 has been released. This is basically just a bug-fix release. 516Here's what's new:</p> 517<pre> Bug fixes: 518 - deleting the currently bound texture could cause bad problems 519 - using fog could result in random vertex alpha values 520 - AA triangle rendering could touch pixels outside right window bound 521 - fixed byteswapping problem in clear_32bit_ximage() function 522 - fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam 523 - fixed memory leak in glXUseXFont() 524 - fragment sampling in AA triangle function was off by 1/2 pixel 525 - Windows: reading pixels from framebuffer didn't always work 526 - glConvolutionFilter2D could segfault or cause FP exception 527 - fixed segfaults in FX and X drivers when using tex unit 1 but not 0 528 - GL_NAND logicop didn't work right in RGBA mode 529 - fixed a memory corruption bug in vertex buffer reset code 530 - clearing the softwara alpha buffer with scissoring was broken 531 - fixed a few color index mode fog bugs 532 - fixed some bad assertions in color index mode 533 - fixed FX line 'stipple' bug #420091 534 Changes: 535 - optimized writing mono-colored pixel spans to X pixmaps 536 - increased max viewport size to 2048 x 2048 537</pre> 538 539 540<h2>April 29, 2001</h2> 541<p>New Mesa website</p> 542<p>Mark Manning produced the new website.<br>Thanks, Mark!</p> 543 544 545<h2>February 14, 2001</h2> 546<p>Mesa 3.4.1 has been released. Here's what's new:</p> 547<pre> New: 548 - fixed some Linux build problems 549 - fixed some Windows build problems 550 - GL_EXT_texture_env_dot3 extension (Gareth Hughes) 551 Bug fixes: 552 - added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI 553 - various state-update code changes needed for DRI bugs 554 - disabled pixel transfer ops in glColorTable commands, not needed 555 - fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter 556 - updated sources and fixed compile problems in widgets-mesa/ 557 - GLX_PBUFFER enum value was wrong in glx.h 558 - fixed a glColorMaterial lighting bug 559 - fixed bad args to Read/WriteStencilSpan in h/w stencil clear function 560 - glXCopySubBufferMESA() Y position was off by one 561 - Error checking of glTexSubImage3D() was broken (bug 128775) 562 - glPopAttrib() didn't restore all derived Mesa state correctly 563 - Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL 564 conformance problems at 16bpp. 565 - clearing depth buffer with scissoring was broken, would segfault 566 - OSMesaGetDepthBuffer() returned bad bytesPerValue value 567 - fixed a line clipping bug (reported by Craig McDaniel) 568 - fixed RGB color over/underflow bug for very tiny triangles 569 Known problems: 570 - NURBS or evaluator surfaces inside display lists don't always work 571</pre> 572<p> 573</p><h2>November 3, 2000</h2> 574<p>Mesa 3.4 has been released. Here's what's new since the 3.3 release:</p> 575<pre> New: 576 - optimized glDrawPixels for glPixelZoom(1,-1) 577 Bug Fixes: 578 - widgets-mesa/src/*.c files were missing from 3.3 distro 579 - include/GL/mesa_wgl.h file was missing from 3.3 distro 580 - fixed some Win32 compile problems 581 - texture object priorities weren't getting initialized to 1.0 582 - glAreTexturesResident return value was wrong when using hardware 583 - glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) 584 - glReadPixels with GLushort packed types was broken 585 - fixed a few bugs in the GL_EXT_texture_env_combine texture code 586 - glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables 587 - fixed some typos/bugs in the VB code 588 - glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work 589 - optimized glDrawPixels paths weren't being used 590 - per-fragment fog calculation didn't work without a Z buffer 591 - improved blending accuracy, fixes Glean blendFunc test failures 592 - glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly 593 - glXGetProcAddressARB() didn't always return the right address 594 - gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format 595 - texture matrix changes weren't always detected (GLUT projtex demo) 596 - fixed random color problem in vertex fog code 597 - fixed Glide-related bug that let Quake get a 24-bit Z buffer 598 Changes: 599 - finished internal support for compressed textures for DRI 600</pre> 601<p> 602</p><h2>April 24, 2000</h2> 603<p>Mesa 3.2 has been released. Here's what's new since the beta release:</p> 604<pre> Bug fixes: 605 - fixed memcpy bugs in span.c 606 - fixed missing glEnd problem in demos/tessdemo.c 607 - fixed bug when clearing 24bpp Ximages 608 - fixed clipping problem found in Unreal Tournament 609 - fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 610 - fixed Loki's 3dfx RGB vs BGR bug 611 - fixed Loki's 3dfx smooth/flat shading bug in SoF 612 Changes: 613 - updated docs/README file 614 - use bcopy() optimizations on FreeBSD 615 - re-enabled the optimized persp_textured_triangle() function 616</pre> 617<p> 618</p><h2>March 23, 2000</h2> 619<p>I've just upload the Mesa 3.2 beta 1 files to SourceForge at <a href="http://sourceforge.net/project/showfiles.php?group_id=3" target="_parent">http://sourceforge.net/project/filelist.php?group_id=3</a><a href="http://sourceforge.net/project/showfiles.php?group_id=3"></a></p> 620<p>3.2 (note even number) is a stabilization release of Mesa 3.1 meaning it's mainly 621just bug fixes.</p> 622<p>Here's what's changed: 623 624</p><ul> 625 Bug fixes: 626 <ul> 627 - mixed drawing of lines and bitmaps sometimes had wrong colors<br> 628 - added missing glHintPGI() function<br> 629 - fixed a polygon culling bug<br> 630 - fixed bugs in gluPartialDisk()<br> 631 - Z values in selection mode were wrong<br> 632 - added missing tokens: 633 <ul> 634 GL_SMOOTH_POINT_SIZE_RANGE<br> 635 GL_SMOOTH_POINT_SIZE_GRANULARITY<br> 636 GL_SMOOTH_LINE_WIDTH_RANGE<br> 637 GL_SMOOTH_LINE_WIDTH_GRANULARITY<br> 638 GL_ALIASED_POINT_SIZE_RANGE<br> 639 GL_ALIASED_LINE_WIDTH_RANGE 640 </ul> 641 - fixed glCopyPixels when copying from back to front buffer<br> 642 - GL_EXT_compiled_vertex_array tokens had _SGI suffix instead of _EXT<br> 643 - glDrawRangeElements(GL_LINES, 0, 1, 2, type, indices) was broken<br> 644 - glDeleteTextures() didn't decrement reference count correctly<br> 645 - GL_SRCA_ALPHA_SATURATE blend mode didn't work correctly<br> 646 - Actual depth of transformation matrix stacks was off by one<br> 647 - 24bpp visuals didn't address pixels correctly<br> 648 - mipmap level of detail (lambda) calculation simplified, more accurate<br> 649 - 101691 - Polygon clipping and GL_LINE<br> 650 - 101928 - Polygon clipping and GL_LINE (same fix as above)<br> 651 - 101808 - Non-glVertexArrays tristrip bug<br> 652 - 101971 - find_last_3f on Dec OSF (worked around)<br> 653 - 102369 - segv on dec osf (possibly a duplicate of the above)<br> 654 - 102893 - orientations of modelview cause segfault 655 </ul> 656 New: 657 <ul> 658 - updated SVGA Linux driver<br> 659 - added the MESA_FX_NO_SIGNALS env var, see docs/README.3DFX<br> 660 - build libGLw.a (Xt/OpenGL drawing area widget) library by default<br> 661 - changed -O2 to -O3 for a number of gcc configs 662 </ul> 663 Changes: 664 <ul> 665 - glXCopyContext's mask parameter is now unsigned long, per GLX spec 666 </ul> 667</ul> 668 669<p>Please report any problems with this release ASAP. Bugs should be filed on the 670Mesa3D website at sourceforge.<br> 671After 3.2 is wrapped up I hope to release 3.3 beta 1 soon afterward.</p> 672<p>-- Brian</p> 673<p> 674</p><h2>December 17, 1999</h2> 675<p>A Slashdot interview with Brian about Mesa (questions submitted by Slashdot readers) 676can be found at <a href="http://slashdot.org/interviews/99/12/17/0927212.shtml" target="_parent">http://slashdot.org/interviews/99/12/17/0927212.shtml</a>.</p> 677<p> 678</p><h2>December 14, 1999</h2> 679<p>Mesa 3.1 is released!</p> 680<p> 681</p><h2>September 21, 1999</h2> 682<p>There appear to be two new files on the ftp site, <a href="ftp://ftp.mesa3d.org/mesa/beta/MesaLib-3.1beta3.tar.gz">MesaLib-3.1beta3.tar.gz</a> 683and <a href="ftp://ftp.mesa3d.org/mesa/beta/MesaDemos-3.1beta3.tar.gz">MesaDemos-3.1beta3.tar.gz</a>, 684that seem to be... yes, I've just received confirmation from the beta center, they 685are indeed the <b>THIRD</b> beta release of Mesa 3.1! Happy Days. Happy Days. Thanks 686Keith Whitwell for preparing these for us during Brian's absence.</p> 687<p> 688</p><h2>August 30, 1999</h2> 689<p>I'm pleased to announce that I've accepted a position with Precision Insight, 690Inc. effective October, 1999. I'll be leaving Avid Technology in September.</p> 691<p>I've been working on Mesa in my spare time for over five years. With Precision 692Insight I now have the opportunity to devote my full attention to advancing Mesa 693and OpenGL on Linux.</p> 694<p>While I'll be focused on Linux, the X Window System, and hardware acceleration, 695my work will continue to be open sourced and available to any other programmers who 696may want to contribute to it, or use it for other projects or platforms</p> 697<p>PS: I'm going to be traveling until Sep 6 and won't be reading email until then.</p> 698<p> 699</p><h2>August 23, 1999</h2> 700<p>Anonymous CVS access is back online so suck up all the bandwidth you can afford. 701Note that this is a new archive, so you will need to re-checkout the archive. That 702means don't <i>cvs update</i> from a previous download.</p> 703<p> 704</p><h2>August 17, 1999</h2> 705<p>A report from the SIGGRAPH '99 Linux/OpenGL 706BOF meeting is now available.</p> 707<p>-Brian</p> 708<p> 709</p><h2>August 14, 1999</h2> 710<p>www.mesa3d.org is having technical problems due to hardware failures at VA Linux 711systems. The Mac pages, ftp, and CVS services aren't fully restored yet. Please be 712patient.</p> 713<p>-Brian</p> 714<p> 715</p><h2>June 7, 1999</h2> 716<p>RPMS of the nVidia RIVA server can be found at <a href="ftp://ftp.mesa3d.org/mesa/misc/nVidia/">ftp://ftp.mesa3d.org/mesa/misc/nVidia/</a>.</p> 717<p> 718</p><h2>June 2, 1999</h2> 719<p><a href="http://www.nvidia.com/">nVidia</a> has released some Linux binaries for 720xfree86 3.3.3.1, along with the <b>full source</b>, which includes GLX acceleration 721based on Mesa 3.0. They can be downloaded from <a href="http://www.nvidia.com/Products.nsf/htmlmedia/software_drivers.html">http://www.nvidia.com/Products.nsf/htmlmedia/software_drivers.html</a>.</p> 722<p> 723</p><h2>May 24, 1999</h2> 724<p>Beta 2 of Mesa 3.1 has been make available at <a href="ftp://ftp.mesa3d.org/mesa/beta/">ftp://ftp.mesa3d.org/mesa/beta/</a>. 725If you are into the quake scene, you may want to try this out, as it contains some 726optimizations specifically in the Q3A rendering path. 727<p> 728</p><h2>May 13, 1999</h2> 729<p>For those interested in the integration of Mesa into XFree86 4.0, Precision Insight 730has posted their lowlevel design documents at http://www.precisioninsight.com.</p> 731<p> 732</p><h2>May 13, 1999</h2> 733<pre>May 1999 - John Carmack of id Software, Inc. has made a donation of 734US$10,000 to the Mesa project to support its continuing development. 735Mesa is a free implementation of the OpenGL 3D graphics library and id's 736newest game, Quake 3 Arena, will use Mesa as the 3D renderer on Linux. 737 738The donation will go to Keith Whitwell, who has been optimizing Mesa to 739improve performance on 3d hardware. Thanks to Keith's work, many 740applications using Mesa 3.1 will see a dramatic performance increase 741over Mesa 3.0. The donation will allow Keith to continue working on 742Mesa full time for some time to come. 743 744For more information about Mesa see www.mesa3d.org. For more 745information about id Software, Inc. see www.idsoftware.com. 746 747-------------------------------- 748 749This donation from John/id is very generous. Keith and I are very 750grateful. 751 752</pre> 753<p> 754</p><h2>May 1, 1999</h2> 755<p>John Carmack made an interesting .plan update yesterday: 756 757</p><ul> 758 <i>"I put together a document on optimizing OpenGL drivers for Q3 that 759 should be helpful to the various Linux 3D teams. <br> 760 </i>http://www.quake3arena.com/news/glopt.html</i>" 761</ul> 762 763<p> 764</p><h2>April 7, 1999</h2> 765<p>Updated the Mesa contributors section and added links to RPM Mesa packages.</p> 766<p> 767</p><h2>March 18, 1999</h2> 768<p>The new webpages are now online. Enjoy, and let me know if you find any errors. 769For an eye-candy free version you can use <a href="http://www.mesa3d.org/txt/">http://www.mesa3d.org/txt/</a>.</p> 770<p> 771</p><h2>February 16, 1999</h2> 772<p><a href="http://www.sgi.com/">SGI</a> releases its <a href="http://www.sgi.com/software/opensource/glx/">GLX 773source code</a>.</p> 774<p> 775</p><h2>January 22, 1999</h2> 776<p>www.mesa3d.org established</p> 777 778 779</p> 780 781 782<hr> 783$Id: news.html,v 3.12 2004/01/15 15:47:57 brianp Exp $ 784</body> 785</html>