news.html revision 9ccc84160b89829e5a7e7493db8759ad1fb01f12
1<HTML> 2 3<TITLE>Mesa News</TITLE> 4 5<BODY text="#000000" bgcolor="#55bbff"> 6 7<H1>News</H1> 8 9 10 11<h2>December 17, 2003</h2> 12 13<p> 14Mesa 5.1 has been released. This is a new development release. 15Mesa 6.0 will be the next stable release and will support all 16OpenGL 1.5 features. 17</p> 18<pre> 19 New features: 20 - reorganized directory tree 21 - GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) 22 - GL_ATI_texture_env_combine3 extension (Ian Romanick) 23 - GL_SGI_texture_color_table extension (Eric Plante) 24 - GL_NV_fragment_program extension 25 - GL_NV_light_max_exponent extension 26 - GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) 27 - GL_ARB_occlusion_query extension 28 - GL_ARB_point_sprite extension 29 - GL_ARB_texture_non_power_of_two extension 30 - GL_IBM_multimode_draw_arrays extension 31 - GL_EXT_texture_mirror_clamp extension (Ian Romanick) 32 - GL_ARB_vertex_buffer_object extension 33 - new X86 feature detection code (Petr Sebor) 34 - less memory used for display lists and vertex buffers 35 - demo of per-pixel lighting with a fragment program (demos/fplight.c) 36 - new version (18) of glext.h header 37 - new spriteblast.c demo of GL_ARB_point_sprite 38 - faster glDrawPixels in X11 driver in some cases (see RELNOTES-5.1) 39 - faster glCopyPixels in X11 driver in some cases (see RELNOTES-5.1) 40 Bug fixes: 41 - really enable OpenGL 1.4 features in DOS driver. 42 - fixed issues in glDrawPixels and glCopyPixels for very wide images 43 - glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint 44 - fixed some texgen bugs reported by Daniel Borca 45 - fixed wglMakeCurrent(NULL, NULL) bug (#835861) 46 - fixed glTexSubImage3D z-offset bug (Cedric Gautier) 47 - fixed RGBA blend enable bug (Ville Syrjala) 48 - glAccum is supposed to be a no-op in selection/feedback mode 49 - fixed texgen bug #597589 (John Popplewell) 50 Changes: 51 - dropped API trace feature (src/Trace/) 52 - documentation overhaul. merged with website content. more html. 53 - glxgears.c demo updated to use GLX swap rate extensions 54 - glTexImage1/2/3D now allows width/height/depth = 0 55 - disable SPARC asm code on Linux (bug 852204) 56</pre> 57 58The MD5 checksums are: 59</p> 60<pre> 6178f452f6c55478471a744f07147612b5 MesaLib-5.1.tar.gz 6267b3b8d3f7f4c8c44904551b851d01af MesaLib-5.1.tar.bz2 636dd19ffa750ec7f634e370a987505c9d MesaLib-5.1.zip 64e0214d4ebb22409dfa9262f2b52fd828 MesaDemos-5.1.tar.gz 65066c9aff4fd924405de1ae9bad5ec9a7 MesaDemos-5.1.tar.bz2 66d2b5ba32b53e0ad0576c637a4cc1fb41 MesaDemos-5.1.zip 67</pre> 68 69 70<H2>November 12, 2003</H2> 71 72<p> 73New Mesa 5.0.2 tarballs have been uploaded to SourceForge which fix a 74number of automake/libtool problems. 75</p> 76<p> 77The new MD5 checksums are: 78</p> 79<pre> 80a9dcf3ff9ad1b7d6ce73a0df7cff8b5b MesaLib-5.0.2.tar.gz 817b4bf9261657c2fca03796d4955e6f50 MesaLib-5.0.2.tar.bz2 8279c141bddcbad557647535d02194f346 MesaLib-5.0.2.zip 83952d9dc823dd818981d1a648d7b2668a MesaDemos-5.0.2.tar.gz 84b81fafff90995025d2f25ea02b786642 MesaDemos-5.0.2.tar.bz2 85a21be975589e8a2d1871b6bb7874fffa MesaDemos-5.0.2.zip 86</pre> 87 88 89 90<h2>September 5, 2003</h2> 91 92<p> 93Mesa 5.0.2 has been released. This is a stable, bug-fix release. 94</p> 95<pre> 96 Bug fixes: 97 - fixed texgen problem causing texcoord's Q to be zero (stex3d) 98 - default GL_TEXTURE_COMPARE_MODE_ARB was wrong 99 - GL_CURRENT_MATRIX_NV query was wrong 100 - GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one 101 - GL_LIST_MODE query wasn't correct 102 - GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported 103 - GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value 104 - blended, wide lines didn't always work correctly (bug 711595) 105 - glVertexAttrib4svNV w component was always 1 106 - fixed bug in GL_IBM_rasterpos_clip (missing return) 107 - GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly 108 - a few Solaris compilation fixes 109 - fixed glClear() problem for DRI drivers (non-existant stencil, etc) 110 - fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) 111 - fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) 112 - glFog() didn't clamp fog colors 113 - fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the 114 gl[Get]TexParameteri[v] functions 115 - fixed invalid memory references in glTexGen functions (bug 781602) 116 - integer-valued color arrays weren't handled correctly 117 - glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work 118 - GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 119 Changes: 120 - build GLUT with -fexceptions so C++ apps propogate exceptions 121</pre> 122 123 124 125<h2>June 2003</h2> 126 127<p> 128Mesa's directory tree has been overhauled. 129Things are better organized now with some thought toward future needs. 130</p> 131<p> 132In CVS, the latest Mesa 5.1 development code is now rooted under the 133<b>Mesa-newtree/</b> directory. The old top-level <b>Mesa/</b> directory 134holds the Mesa 5.0.x code which will be abandoned at some point. 135</p> 136 137 138 139<h2>March 30, 2003</h2> 140 141<p> 142Mesa 5.0.1 has been released. This is a stable, bug-fix release. 143</p> 144<pre> 145 New: 146 - DOS driver updates from Daniel Borca 147 - updated GL/gl_mangle.h file (Bill Hoffman) 148 Bug fixes: 149 - auto mipmap generation for cube maps was broken (bug 641363) 150 - writing/clearing software alpha channels was unreliable 151 - minor compilation fixes for OS/2 (Evgeny Kotsuba) 152 - fixed some bad assertions found with shadowtex demo 153 - fixed error checking bug in glCopyTexSubImage2D (bug 659020) 154 - glRotate(angle, -x, 0, 0) was incorrect (bug 659677) 155 - fixed potential segfault in texture object validation (bug 659012) 156 - fixed some bogus code in _mesa_test_os_sse_exception_support (Linus) 157 - fix fog stride bug in tnl code for h/w drivers (Michel Danzer) 158 - fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) 159 - glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 160 - fixed compilation problem on Solaris7/x86 (bug 536406) 161 - fixed prefetch bug in 3DNow! code (Felix Kuhling) 162 - fixed NeXT build problem (FABSF macro) 163 - glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) 164 - zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) 165 - AA line and triangle Z values are now rounded, not truncated 166 - fixed color interpolation bug when GLchan==GLfloat (bug 694461) 167 - glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) 168 - fixed a minor GL_COLOR_MATERIAL bug 169 - NV vertex program EXP instruction was broken 170 - glColorMask misbehaved with X window / pixmap rendering 171 - fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) 172 - attempt to fix GGI compilation problem when MesaDemos not present 173 - NV vertex program ARL-relative fetches didn't work 174 Changes: 175 - use glPolygonOffset in gloss demo to avoid z-fighting artifacts 176 - updated winpos and pointblast demos to use ARB extensions 177 - disable SPARC normal transformation code (bug 673938) 178 - GLU fixes for OS/2 (Evgeny Kotsuba) 179</pre> 180<p> 181MD5 checksums follow: 182</p> 183<pre> 184b80f8b5d53a3e9f19b9fde5af0c542f0 MesaLib-5.0.1.tar.gz 185513b4bbd7d38951f05027179063d876b MesaLib-5.0.1.tar.bz2 186eebd395678f4520d33b267e5d5c22651 MesaLib-5.0.1.zip 18749d7feaec6dc1d2091d7c3cc72a9b320 MesaDemos-5.0.1.tar.gz 18837190374a98c3c892f0698be9ca3acf0 MesaDemos-5.0.1.tar.bz2 189becd8bf17f5791361b4a54ba2a78e5c9 MesaDemos-5.0.1.zip 190</pre> 191 192 193 194<h2>March 7, 2003</h2> 195<p> 196Website and documentation overhaul. 197</p> 198<p> 199The website content and Mesa documentation (from the doc/ directory) have 200been merged together. 201All the documentation files have been entered into the CVS repository. 202Many of the old plain-text files have been converted to html and modernized. 203</p> 204 205 206<h2>November 13, 2002</h2> 207<p>Mesa 5.0 has been released. This is a stable release which 208implements the OpenGL 1.4 specification. 209</p><pre>New: 210 - OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") 211 - removed some overlooked debugging code 212 - glxinfo updated to support GLX_ARB_multisample 213 - GLUT now support GLX_ARB_multisample 214 - updated DOS driver (Daniel Borca) 215Bug fixes: 216 - GL_POINT and GL_LINE-mode polygons didn't obey cull state 217 - fixed potential bug in _mesa_align_malloc/calloc() 218 - fixed missing triangle bug when running vertex programs 219 - fixed a few HPUX compilation problems 220 - FX (Glide) driver didn't compile 221 - setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work 222 - a few EXT functions, like glGenTexturesEXT, were no-ops 223 - a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, 224 glMultiDrawArrays and glMultiDrawElements were missing 225 - glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken 226 - Pentium 4 Mobile was mistakenly identified as having 3DNow! 227 - fixed one-bit error in point/line fragment Z calculation 228 - fixed potential segfault in fakeglx code 229 - fixed color overflow problem in DOT3 texture env mode 230</pre> 231 232 233<h2>October 29, 2002</h2> 234<p>Mesa 4.1 has been released. This is a new development release. 235For a stable release, get 4.0.4. 236</p><pre>New: 237 - GL_NV_vertex_program extension 238 - GL_NV_vertex_program1_1 extension 239 - GL_ARB_window_pos extension 240 - GL_ARB_depth_texture extension 241 - GL_ARB_shadow extension 242 - GL_ARB_shadow_ambient extension 243 - GL_EXT_shadow_funcs extension 244 - GL_ARB_point_parameters extension 245 - GL_ARB_texture_env_crossbar 246 - GL_NV_point_sprite extension 247 - GL_NV_texture_rectangle extension 248 - GL_EXT_multi_draw_arrays extension 249 - GL_EXT_stencil_two_side extension 250 - GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions 251 - GL_ATI_texture_mirror_once extension (Ian Romanick) 252 - massive overhaul/simplification of software rasterizer module, 253 many contributions from Klaus Niederkrueger 254 - faster software texturing in some cases (i.e. trilinear filtering) 255 - new OSMesaGetProcAddress() function 256 - more blend modes implemented with MMX code (Jose Fonseca) 257 - added glutGetProcAddress() to GLUT 258 - added GLUT_FPS env var to compute frames/second in glutSwapBuffers() 259 - pbinfo and pbdemo PBuffer programs 260 - glxinfo -v prints transprent pixel info (Gerd Sussner) 261Bug fixes: 262 - better mipmap LOD computation (prevents excessive blurriness) 263 - OSMesaMakeCurrent() didn't recognize buffer size changes 264 - assorted conformance fixes for 16-bit/channel rendering 265 - texcombine alpha subtraction mode was broken 266 - fixed some blend problems when GLchan==GLfloat (Gerk Huisma) 267 - clamp colors to [0,1] in OSMesa if GLchan==GLfloat (Gerk Huisma) 268 - fixed divide by zero error in NURBS tessellator (Jon Perry) 269 - fixed GL_LINEAR fog bug by adding clamping 270 - fixed FP exceptions found using Alpha CPU 271 - 3dfx/glide driver render-to-window feature was broken 272 - added missing GLX_TRANSPARENT_RGB token to glx.h 273 - fixed error checking related to paletted textures 274 - fixed reference count error in glDeleteTextures (Randy Fayan) 275Changes: 276 - New spec file and Python code to generate some GL dispatch files 277 - Glide driver defaults to "no" with autoconf/automake 278 - floating point color channels now clamped to [0,inf) 279 - updated demos/stex3d with new options 280</pre> 281 282 283<h2>October 4, 2002</h2> 284<p> 285The <a href="http://mesa3d.sourceforge.net/docs/MesaFAQ.html">Mesa FAQ</a> has been rewritten. 286</p> 287 288<h2>October 3, 2002</h2> 289<p>Mesa 4.0.4 has been released. This is a stable bug-fix release. 290</p><pre> New: 291 - GL_NV_texture_rectangle extension 292 - updated glext.h header (version 17) 293 - updated DOS driver (Daniel Borca) 294 - updated BeOS R5 driver (Philippe Houdoin) 295 - added GL_IBM_texture_mirror_repeat 296 - glxinfo now takes -l option to print interesting OpenGL limits info 297 - GL_MESA_ycbcr_texture extension 298 - GL_APPLE_client_storage extension (for some DRI drivers only) 299 - GL_MESA_pack_invert extension 300 Bug fixes: 301 - fixed GL_LINEAR fog bug by adding clamping 302 - fixed FP exceptions found using Alpha CPU 303 - 3dfx MESA_GLX_FX=window (render to window) didn't work 304 - fixed memory leak in wglCreateContest (Karl Schultz) 305 - define GLAPIENTRY and GLAPI if undefined in glu.h 306 - wglGetProcAddress didn't handle all API functions 307 - when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map 308 - removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() 309 - error checking in compressed tex image functions had some glitches 310 - fixed AIX compile problem in src/config.c 311 - glGetTexImage was using pixel unpacking instead of packing params 312 - auto-mipmap generation for cube maps was incorrect 313 Changes: 314 - max texture units reduced to six to accomodate texture rectangles 315 - removed unfinished GL_MESA_sprite_point extension code 316</pre> 317 318<h2>June 25, 2002</h2> 319<p>Mesa 4.0.3 has been released. This is a stable bug-fix release. 320</p><pre> New: 321 - updated GL/glext.h file (version 15) 322 - corrected MMX blend code (Jose Fonseca) 323 - support for software-based alpha planes in Windows driver 324 - updated GGI driver (Filip Spacek) 325 Bug fixes: 326 - glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens 327 - OSMesaMakeCurrent() didn't recognize buffer size changes 328 - assorted conformance fixes for 16-bit/channel rendering 329 - texcombine alpha subtraction mode was broken 330 - fixed lighting bug with non-uniform scaling and display lists 331 - fixed bug when deleting shared display lists 332 - disabled SPARC cliptest assembly code (Mesa bug 544665) 333 - fixed a couple Solaris compilation/link problems 334 - blending clipped glDrawPixels didn't always work 335 - glGetTexImage() didn't accept packed pixel types 336 - glPixelMapu[is]v() could explode given too large of pixelmap 337 - glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT 338 - glXCopyContext() could lead to segfaults 339 - glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) 340 Changes: 341 - lots of C++ (g++) code clean-ups 342 - lots of T&L updates for the Radeon DRI driver 343 Known bugs: 344 - mipmap LOD computation (fixed for Mesa 4.1) 345</pre> 346 347<h2>April 2, 2002</h2> 348<p>Mesa 4.0.2 has been released. This is a stable bug-fix release. 349</p><pre> New: 350 - New DOS (DJGPP) driver written by Daniel Borca 351 - New driver interface functions for TCL drivers (such as Radeon DRI) 352 - GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" 353 if using deep color channels 354 - latest GL/glext.h and GL/glxext.h headers from SGI 355 Bug fixes: 356 - GL_BLEND with non-black texture env color wasn't always correct 357 - GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) 358 - glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken 359 - glReadPixels was sometimes mistakenly clipped by the scissor box 360 - glDraw/ReadPixels didn't catch all the errors that they should have 361 - Fixed 24bpp rendering problem in Windows driver (Karl Schultz) 362 - 16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) 363 - Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) 364 - glColorMask as sometimes effecting glXSwapBuffers() 365 - fixed a potential bug in XMesaGarbageCollect() 366 - N threads rendering into one window didn't work reliably 367 - glCopyPixels didn't work for deep color channels 368 - improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) 369 - glPopAttrib() didn't correctly restore user clip planes 370 - user clip planes failed for some perspective projections (Chromium) 371</pre> 372 373<h2>December 17, 2001</h2> 374<p>Mesa 4.0.1 has been released. This is a stable bug-fix release. 375</p><pre> New: 376 - better sub-pixel sample positions for AA triangles (Ray Tice) 377 - slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) 378 Bug fixes: 379 - added missing break statements in glGet*() for multisample cases 380 - fixed uninitialized hash table mutex bug (display lists / texobjs) 381 - fixed bad teximage error check conditional (bug 476846) 382 - fixed demos readtex.c compilation problem on Windows (Karl Schultz) 383 - added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT 384 - silence some compiler warnings (gcc 2.96) 385 - enable the #define GL_VERSION_1_3 in GL/gl.h 386 - added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h 387 - fixed glu.h typedef problem found with MSDev 6.0 388 - build libGL.so with -Bsymbolic (fixes bug found with Chromium) 389 - added missing 'const' to glXGetContextIDEXT() in glxext.h 390 - fixed a few glXGetProcAddress() errors (texture compression, etc) 391 - fixed start index bug in compiled vertex arrays (Keith) 392 - fixed compilation problems in src/SPARC/glapi_sparc.S 393 - fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) 394 - use glXGetProcAddressARB in GLUT to avoid extension linking problems 395 - provoking vertex of flat-shaded, color-index triangles was wrong 396 - fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) 397 - glTexParameter didn't flush the vertex buffer (Ray Tice) 398 - feedback attributes for glDraw/CopyPixels and glBitmap were wrong 399 - fixed bug in normal length caching (ParaView lighting bug) 400</pre> 401 402<h2>October 22, 2001</h2> 403<p>Mesa 4.0 has been released. This is a stable release. 404</p><pre> New: 405 - Mesa 4.0 implements the OpenGL 1.3 specification 406 - GL_IBM_rasterpos_clip extension 407 - GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) 408 - GL_ARB_texture_mirrored_repeat extension 409 - WindML UGL driver (Stephane Raimbault) 410 - added OSMESA_MAX_WIDTH/HEIGHT queries 411 - attempted compiliation fixes for Solaris 5, 7 and 8 412 - updated glext.h and glxext.h files 413 - updated Windows driver (Karl Schultz) 414 Bug fixes: 415 - added some missing GLX 1.3 tokens to include/GL/glx.h 416 - GL_COLOR_MATRIX changes weren't recognized by teximage functions 417 - glCopyPixels with scale and bias was broken 418 - glRasterPos with lighting could segfault 419 - glDeleteTextures could leave a dangling pointer 420 - Proxy textures for cube maps didn't work 421 - fixed a number of 16-bit color channel bugs 422 - fixed a few minor memory leaks 423 - GLX context sharing was broken in 3.5 424 - fixed state-update bugs in glPopClientAttrib() 425 - fixed glDrawRangeElements() bug 426 - fixed a glPush/PopAttrib() bug related to texture binding 427 - flat-shaded, textured lines were broken 428 - fixed a dangling pointer problem in the XMesa code (Chris Burghart) 429 - lighting didn't always produce the correct alpha value 430 - fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) 431</pre> 432 433 434<h2>June 21, 2001</h2> 435<p>Mesa 3.5 has been released. This is a new development release. 436</p><pre> New: 437 - internals of Mesa divided into modular pieces (Keith Whitwell) 438 - 100% OpenGL 1.2 conformance (passes all conformance tests) 439 - new AA line algorithm 440 - GL_EXT_convolution extension 441 - GL_ARB_imaging subset 442 - OSMesaCreateContextExt() function 443 - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 444 - GL_MAX_TEXTURE_UNITS_ARB now defaults to eight 445 - GL_EXT_fog_coord extension (Keith Whitwell) 446 - GL_EXT_secondary_color extension (Keith Whitwell) 447 - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) 448 - GL_SGIX_depth_texture extension 449 - GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions 450 - demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow 451 - GL_ARB_texture_env_combine extension 452 - GL_ARB_texture_env_dot3 extension 453 - GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) 454 - OSMesaCreateContextExt() function 455 - libOSMesa.so library, contains the OSMesa driver interface 456 - GL/glxext.h header file for GLX extensions 457 - somewhat faster software texturing, fogging, depth testing 458 - all color-index conformance tests now pass (only 8bpp tested) 459 - SPARC assembly language TCL optimizations (David Miller) 460 - GL_SGIS_generate_mipmap extension 461 Bug Fixes: 462 - fbiRev and tmuRev were unitialized when using Glide3 463 - fixed a few color index mode conformance failures; all pass now 464 - now appling antialiasing coverage to alpha after texturing 465 - colors weren't getting clamped to [0,1] before color table lookup 466 - fixed RISC alignment errors caused by COPY_4UBV macro 467 - drawing wide, flat-shaded lines could cause a segfault 468 - vertices now snapped to 1/16 pixel to fix rendering of tiny triangles 469 Changes: 470 - SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU 471 - new libOSMesa.so library, contains the OSMesa driver interface 472</pre> 473 474 475<h2>May 17, 2001</h2> 476<p>Mesa 3.4.2 has been released. This is basically just a bug-fix release. 477Here's what's new:</p> 478<pre> Bug fixes: 479 - deleting the currently bound texture could cause bad problems 480 - using fog could result in random vertex alpha values 481 - AA triangle rendering could touch pixels outside right window bound 482 - fixed byteswapping problem in clear_32bit_ximage() function 483 - fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam 484 - fixed memory leak in glXUseXFont() 485 - fragment sampling in AA triangle function was off by 1/2 pixel 486 - Windows: reading pixels from framebuffer didn't always work 487 - glConvolutionFilter2D could segfault or cause FP exception 488 - fixed segfaults in FX and X drivers when using tex unit 1 but not 0 489 - GL_NAND logicop didn't work right in RGBA mode 490 - fixed a memory corruption bug in vertex buffer reset code 491 - clearing the softwara alpha buffer with scissoring was broken 492 - fixed a few color index mode fog bugs 493 - fixed some bad assertions in color index mode 494 - fixed FX line 'stipple' bug #420091 495 Changes: 496 - optimized writing mono-colored pixel spans to X pixmaps 497 - increased max viewport size to 2048 x 2048 498</pre> 499 500 501<h2>April 29, 2001</h2> 502<p>New Mesa website</p> 503<p>Mark Manning produced the new website.<br>Thanks, Mark!</p> 504 505 506<h2>February 14, 2001</h2> 507<p>Mesa 3.4.1 has been released. Here's what's new:</p> 508<pre> New: 509 - fixed some Linux build problems 510 - fixed some Windows build problems 511 - GL_EXT_texture_env_dot3 extension (Gareth Hughes) 512 Bug fixes: 513 - added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI 514 - various state-update code changes needed for DRI bugs 515 - disabled pixel transfer ops in glColorTable commands, not needed 516 - fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter 517 - updated sources and fixed compile problems in widgets-mesa/ 518 - GLX_PBUFFER enum value was wrong in glx.h 519 - fixed a glColorMaterial lighting bug 520 - fixed bad args to Read/WriteStencilSpan in h/w stencil clear function 521 - glXCopySubBufferMESA() Y position was off by one 522 - Error checking of glTexSubImage3D() was broken (bug 128775) 523 - glPopAttrib() didn't restore all derived Mesa state correctly 524 - Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL 525 conformance problems at 16bpp. 526 - clearing depth buffer with scissoring was broken, would segfault 527 - OSMesaGetDepthBuffer() returned bad bytesPerValue value 528 - fixed a line clipping bug (reported by Craig McDaniel) 529 - fixed RGB color over/underflow bug for very tiny triangles 530 Known problems: 531 - NURBS or evaluator surfaces inside display lists don't always work 532</pre> 533<p> 534</p><h2>November 3, 2000</h2> 535<p>Mesa 3.4 has been released. Here's what's new since the 3.3 release:</p> 536<pre> New: 537 - optimized glDrawPixels for glPixelZoom(1,-1) 538 Bug Fixes: 539 - widgets-mesa/src/*.c files were missing from 3.3 distro 540 - include/GL/mesa_wgl.h file was missing from 3.3 distro 541 - fixed some Win32 compile problems 542 - texture object priorities weren't getting initialized to 1.0 543 - glAreTexturesResident return value was wrong when using hardware 544 - glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) 545 - glReadPixels with GLushort packed types was broken 546 - fixed a few bugs in the GL_EXT_texture_env_combine texture code 547 - glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables 548 - fixed some typos/bugs in the VB code 549 - glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work 550 - optimized glDrawPixels paths weren't being used 551 - per-fragment fog calculation didn't work without a Z buffer 552 - improved blending accuracy, fixes Glean blendFunc test failures 553 - glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly 554 - glXGetProcAddressARB() didn't always return the right address 555 - gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format 556 - texture matrix changes weren't always detected (GLUT projtex demo) 557 - fixed random color problem in vertex fog code 558 - fixed Glide-related bug that let Quake get a 24-bit Z buffer 559 Changes: 560 - finished internal support for compressed textures for DRI 561</pre> 562<p> 563</p><h2>April 24, 2000</h2> 564<p>Mesa 3.2 has been released. Here's what's new since the beta release:</p> 565<pre> Bug fixes: 566 - fixed memcpy bugs in span.c 567 - fixed missing glEnd problem in demos/tessdemo.c 568 - fixed bug when clearing 24bpp Ximages 569 - fixed clipping problem found in Unreal Tournament 570 - fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 571 - fixed Loki's 3dfx RGB vs BGR bug 572 - fixed Loki's 3dfx smooth/flat shading bug in SoF 573 Changes: 574 - updated docs/README file 575 - use bcopy() optimizations on FreeBSD 576 - re-enabled the optimized persp_textured_triangle() function 577</pre> 578<p> 579</p><h2>March 23, 2000</h2> 580<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> 581<p>3.2 (note even number) is a stabilization release of Mesa 3.1 meaning it's mainly 582just bug fixes.</p> 583<p>Here's what's changed: 584 585</p><ul> 586 Bug fixes: 587 <ul> 588 - mixed drawing of lines and bitmaps sometimes had wrong colors<br> 589 - added missing glHintPGI() function<br> 590 - fixed a polygon culling bug<br> 591 - fixed bugs in gluPartialDisk()<br> 592 - Z values in selection mode were wrong<br> 593 - added missing tokens: 594 <ul> 595 GL_SMOOTH_POINT_SIZE_RANGE<br> 596 GL_SMOOTH_POINT_SIZE_GRANULARITY<br> 597 GL_SMOOTH_LINE_WIDTH_RANGE<br> 598 GL_SMOOTH_LINE_WIDTH_GRANULARITY<br> 599 GL_ALIASED_POINT_SIZE_RANGE<br> 600 GL_ALIASED_LINE_WIDTH_RANGE 601 </ul> 602 - fixed glCopyPixels when copying from back to front buffer<br> 603 - GL_EXT_compiled_vertex_array tokens had _SGI suffix instead of _EXT<br> 604 - glDrawRangeElements(GL_LINES, 0, 1, 2, type, indices) was broken<br> 605 - glDeleteTextures() didn't decrement reference count correctly<br> 606 - GL_SRCA_ALPHA_SATURATE blend mode didn't work correctly<br> 607 - Actual depth of transformation matrix stacks was off by one<br> 608 - 24bpp visuals didn't address pixels correctly<br> 609 - mipmap level of detail (lambda) calculation simplified, more accurate<br> 610 - 101691 - Polygon clipping and GL_LINE<br> 611 - 101928 - Polygon clipping and GL_LINE (same fix as above)<br> 612 - 101808 - Non-glVertexArrays tristrip bug<br> 613 - 101971 - find_last_3f on Dec OSF (worked around)<br> 614 - 102369 - segv on dec osf (possibly a duplicate of the above)<br> 615 - 102893 - orientations of modelview cause segfault 616 </ul> 617 New: 618 <ul> 619 - updated SVGA Linux driver<br> 620 - added the MESA_FX_NO_SIGNALS env var, see docs/README.3DFX<br> 621 - build libGLw.a (Xt/OpenGL drawing area widget) library by default<br> 622 - changed -O2 to -O3 for a number of gcc configs 623 </ul> 624 Changes: 625 <ul> 626 - glXCopyContext's mask parameter is now unsigned long, per GLX spec 627 </ul> 628</ul> 629 630<p>Please report any problems with this release ASAP. Bugs should be filed on the 631Mesa3D website at sourceforge.<br> 632After 3.2 is wrapped up I hope to release 3.3 beta 1 soon afterward.</p> 633<p>-- Brian</p> 634<p> 635</p><h2>December 17, 1999</h2> 636<p>A Slashdot interview with Brian about Mesa (questions submitted by Slashdot readers) 637can 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> 638<p> 639</p><h2>December 14, 1999</h2> 640<p>Mesa 3.1 is released!</p> 641<p> 642</p><h2>September 21, 1999</h2> 643<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> 644and <a href="ftp://ftp.mesa3d.org/mesa/beta/MesaDemos-3.1beta3.tar.gz">MesaDemos-3.1beta3.tar.gz</a>, 645that seem to be... yes, I've just received confirmation from the beta center, they 646are indeed the <b>THIRD</b> beta release of Mesa 3.1! Happy Days. Happy Days. Thanks 647Keith Whitwell for preparing these for us during Brian's absence.</p> 648<p> 649</p><h2>August 30, 1999</h2> 650<p>I'm pleased to announce that I've accepted a position with Precision Insight, 651Inc. effective October, 1999. I'll be leaving Avid Technology in September.</p> 652<p>I've been working on Mesa in my spare time for over five years. With Precision 653Insight I now have the opportunity to devote my full attention to advancing Mesa 654and OpenGL on Linux.</p> 655<p>While I'll be focused on Linux, the X Window System, and hardware acceleration, 656my work will continue to be open sourced and available to any other programmers who 657may want to contribute to it, or use it for other projects or platforms</p> 658<p>PS: I'm going to be traveling until Sep 6 and won't be reading email until then.</p> 659<p> 660</p><h2>August 23, 1999</h2> 661<p>Anonymous CVS access is back online so suck up all the bandwidth you can afford. 662Note that this is a new archive, so you will need to re-checkout the archive. That 663means don't <i>cvs update</i> from a previous download.</p> 664<p> 665</p><h2>August 17, 1999</h2> 666<p>A report from the SIGGRAPH '99 Linux/OpenGL 667BOF meeting is now available.</p> 668<p>-Brian</p> 669<p> 670</p><h2>August 14, 1999</h2> 671<p>www.mesa3d.org is having technical problems due to hardware failures at VA Linux 672systems. The Mac pages, ftp, and CVS services aren't fully restored yet. Please be 673patient.</p> 674<p>-Brian</p> 675<p> 676</p><h2>June 7, 1999</h2> 677<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> 678<p> 679</p><h2>June 2, 1999</h2> 680<p><a href="http://www.nvidia.com/">nVidia</a> has released some Linux binaries for 681xfree86 3.3.3.1, along with the <b>full source</b>, which includes GLX acceleration 682based 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> 683<p> 684</p><h2>May 24, 1999</h2> 685<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>. 686If you are into the quake scene, you may want to try this out, as it contains some 687optimizations specifically in the Q3A rendering path. 688<p> 689</p><h2>May 13, 1999</h2> 690<p>For those interested in the integration of Mesa into XFree86 4.0, Precision Insight 691has posted their lowlevel design documents at http://www.precisioninsight.com.</p> 692<p> 693</p><h2>May 13, 1999</h2> 694<pre>May 1999 - John Carmack of id Software, Inc. has made a donation of 695US$10,000 to the Mesa project to support its continuing development. 696Mesa is a free implementation of the OpenGL 3D graphics library and id's 697newest game, Quake 3 Arena, will use Mesa as the 3D renderer on Linux. 698 699The donation will go to Keith Whitwell, who has been optimizing Mesa to 700improve performance on 3d hardware. Thanks to Keith's work, many 701applications using Mesa 3.1 will see a dramatic performance increase 702over Mesa 3.0. The donation will allow Keith to continue working on 703Mesa full time for some time to come. 704 705For more information about Mesa see www.mesa3d.org. For more 706information about id Software, Inc. see www.idsoftware.com. 707 708-------------------------------- 709 710This donation from John/id is very generous. Keith and I are very 711grateful. 712 713</pre> 714<p> 715</p><h2>May 1, 1999</h2> 716<p>John Carmack made an interesting .plan update yesterday: 717 718</p><ul> 719 <i>"I put together a document on optimizing OpenGL drivers for Q3 that 720 should be helpful to the various Linux 3D teams. <br> 721 </i>http://www.quake3arena.com/news/glopt.html</i>" 722</ul> 723 724<p> 725</p><h2>April 7, 1999</h2> 726<p>Updated the Mesa contributors section and added links to RPM Mesa packages.</p> 727<p> 728</p><h2>March 18, 1999</h2> 729<p>The new webpages are now online. Enjoy, and let me know if you find any errors. 730For an eye-candy free version you can use <a href="http://www.mesa3d.org/txt/">http://www.mesa3d.org/txt/</a>.</p> 731<p> 732</p><h2>February 16, 1999</h2> 733<p><a href="http://www.sgi.com/">SGI</a> releases its <a href="http://www.sgi.com/software/opensource/glx/">GLX 734source code</a>.</p> 735<p> 736</p><h2>January 22, 1999</h2> 737<p>www.mesa3d.org established</p> 738 739 740</p> 741 742 743<hr> 744$Id: news.html,v 3.10 2003/12/18 00:32:05 brianp Exp $ 745</body> 746</html>