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5  <title>Mesa Version History</title>
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10<div class="header">
11  <h1>The Mesa 3D Graphics Library</h1>
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16
17<b>
18NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
19<a href="relnotes.html">release notes</a> file.
20</b>
21
22
23<h1>Mesa Version History</h1>
24
25
26<h2>1.0 beta   February 1995</h2>
27<ul>
28<li>Initial release
29</ul>
30
31<h2>1.1 beta   March 4, 1995</h2>
32Changes:
33<ul>
34<li>faster point and line drawing (2x faster)
35<li>more systems supported, better Makefiles
36<li>Renamed lib*.a files to avoid collisions
37<li>many small bug fixes
38</ul>
39New:
40<ul>
41<li>pseudo-GLX functions added
42<li>new implementation of evaluators (eval2.c)
43<li>GLUT support
44</ul>
45
46<h2>1.1.1 beta   March 7, 1995</h2>
47Changes:
48<ul>
49<li>Reverted from eval2.c to eval.c due to FPE on Linux
50<li>more speed improvements
51<li>more Makefile changes
52</ul>
53
54<h2>1.1.2 beta   March 14, 1995</h2>
55New:
56<ul>
57<li>implementation of SGI's blending extensions
58<li>glXUseXFont implemented
59<li>added MESA_DEBUG environment variable support
60</ul>
61Changes:
62<ul>
63<li>Using eval2.c again
64<li>more FPE-prevention checks (0-length normals are OK)
65<li>a few small bug fixes
66<li>much faster pixel logic ops!
67<li>faster transformation arithmetic
68</ul>
69
70<h2>1.1.3 beta   March 31, 1995</h2>
71New:
72<ul>
73<li>gluScaleImage() and gluBuild2DMipMaps() implemented
74<li>Mesa widgets for Xt/Motif
75<li>blendEXT demos
76<li>added environment variables for selecting visuals
77</ul>
78Changes:
79<ul>
80<li>almost all GLUT demos work correctly now
81<li>faster X device driver functions
82<li>more bug fixes
83</ul>
84
85<h2>1.1.4 beta   April 20, 1995</h2>
86Bug fixes:
87<ul>
88<li>missing #define SEEK_SET in src-tk/image.c
89<li>compile glShadeModel into display lists
90<li>fixed pow() domain error in src/light.c
91<li>fixed "flickering bitmaps" in double buffer mode
92<li>fixed tk.h and aux.h for C++
93<li>state of LIGHT_MODEL_LOCAL_VIEWER was inverted
94</ul>
95New features:
96<ul>
97<li>MUCH, MUCH nicer dithering in 8-bit RGB mode
98<li>updated widgets and widget demos
99<li>Implemented GLXPixmap functions
100<li>Added GLU 1.1 and GLX 1.1 functions
101<li>Changed the X/Mesa interface API, more versatile
102<li>Implemented gluPartialDisk()
103</ul>
104
105<h2>1.2   May 22, 1995</h2>
106Bug fixes:
107<ul>
108<li>IRIX 4.x makefile problem
109<li>modified tk to share root colormap as needed
110<li>gluLookAt normalization problem
111<li>suppress Expose, NoExpose events in swapbuffers
112<li>glBitmap() and glDrawPixels() clipping
113</ul>
114New features:
115<ul>
116<li>GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture
117	    modes implemented
118<li>texture maps stored more efficiently
119<li>texture maps can be compiled into display lists
120<li>Bogdan Sikorski's GLU polygon tesselation code
121<li>Linas Vepstas's sweep and extrusion library
122<li>glXCreateContext()'s shareList parameter works as it's supposed to.
123	XMesaCreateContext() updated to accept a shareList parameter too.
124<li>Mesa can be compiled with real OpenGL .h files
125<li>MESA_BACK_BUFFER environment variable
126<li>better GLX error checking
127</ul>
128
129<h2>1.2.1   June 22, 1995</h2>
130Bug fixes:
131<ul>
132<li>X/Mesa double buffer window resize crash
133<li>widgets now pass PointerMotion events
134<li>X/Mesa incorrect default clear color and drawing color
135<li>more robust X MIT-SHM support in X/Mesa
136<li>glTexImage( format=GL_LUMINANCE ) didn't work
137<li>GL_LINE mode polygons with line width &gt; 1.0 could cause a crash
138<li>numerous feedback bugs
139<li>glReadPixels() from depth buffer was wrong
140<li>error prone depth and stencil buffer allocation
141New features:
142<li>Preliminary Microsoft Windows driver
143<li>Implemented a number of missing functions: glEvalCoord[12][df]v(),
144	glGet...(), etc.
145<li>Added a few missing symbols to gl.h and glu.h
146<li>Faster rendering of smooth-shaded, RGBA, depth-buffered polygons.
147<li>Faster rendering of lines when width=2.0
148<li>Stencil-related functions now work in display lists
149</ul>
150Changes:
151<ul>
152<li>renamed aux.h as glaux.h (MS-DOS names can't start with aux)
153<li>most filenames are in 8.3 format to accommodate MS-DOS
154<li>use GLubytes to store arrays of colors instead of GLints
155</ul>
156
157<h2>1.2.2   August 2, 1995</h2>
158New features:
159<ul>
160<li>texture mapped points and lines
161<li>NURBS! (but not 100% complete)
162<li>viewports may safely extend beyond window boundaries
163<li>MESA_PRIVATE_CMAP environment variable
164<li>Grayscale X display support
165<li>two new demos:  demos/gears.c and demos/shadow.c
166<li>MachTen for Macintosh configuration
167</ul>
168Bug fixes:
169<ul>
170<li>glGet*(GL_DEPTH_BITS) returned bytes, not bits
171<li>point, line, and bitmap rasterization suffered from roundoff errors
172<li>fixed a division by zero error in line clippping
173<li>occasional wrong default background color really fixed!
174<li>glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work
175<li>gluBuild2DMipmaps malloc problem fixed
176<li>view volume clipping of smooth shaded lines resulted in bad colors
177</ul>
178Changes:
179<ul>
180<li>new visual selection method in glXChooseVisual()
181<li>improved GLU quadric functions
182<li>call XSync for glFinish and XFlush for glFlush
183<li>glVertex() calls now use a function pointer to avoid conditionals
184<li>removed contrib directory from Mesa tar file (available on ftp site)
185<li>AIX shared library support
186<li>Removed GLUenum type as it's not in OpenGL
187</ul>
188
189<h2>1.2.3   September 26, 1995</h2>
190New features:
191<ul>
192<li>Mesa header files now equivalent to SGI OpenGL headers
193<li>Support for HP's Color Recovery dithering displays
194<li>Faster vertex transformation
195<li>Faster raster operations into X windows under certain conditions
196<li>New configurations:  HP w/ shared libs, Ultrix w/ GCC, Data General
197<li>4-bit visuals now supported
198</ul>
199Bug fixes:
200<ul>
201<li>glScissor bug fixed
202<li>round-off errors in clipping lines against clip planes fixed
203<li>byte swapping between hosts and display servers implemented
204<li>glGetError() can be called without a current rendering context
205<li>problem with accidentally culled polygons is fixed
206<li>fixed some widget compilation problems
207</ul>
208
209<h2>1.2.4   November 17, 1995</h2>
210New features:
211<ul>
212<li>More speed improvements (lighting, fogging, polygon drawing)
213<li>Window system and OS-independent off-screen rendering
214<li>Preliminary Fortran bindings
215<li>glPolygonOffsetEXT implemented
216<li>glColorMask and glIndexMask now fully implemented
217<li>glPixelZoom implemented
218<li>display lists fully implemented
219<li>gamma correction
220<li>dithering in 8-bit TrueColor/DirectColor visuals
221</ul>
222Changes:
223<ul>
224<li>Improved device driver interface
225<li>tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk
226<li>Dithering support moved from core into device driver
227</ul>
228Bug fixes:
229<ul>
230<li>glEnable/Disable( GL_LIGHTING ) didn't always take effect
231<li>glReadPixels byte swapping was broken
232<li>glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken
233<li>duplicate glColor4b() prototype in GL/gl.h removed
234<li>stripes in wave -ci demo fixed
235<li>GL_LINEAR_MIPMAP_NEAREST had wrong value
236<li>bugs in HP Color Recovery support fixed
237<li>fixed bug when blending lines, points, bitmaps outside of window
238</ul>
239
240<h2>1.2.5   November 30, 1995</h2>
241New Features:
242<ul>
243<li>updated MS Windows driver
244<li>new implementation of StaticGray/GrayScale visual support
245</ul>
246Bug fixes:
247<ul>
248<li>pixelzooming with gamma correction or blending didn't work
249<li>HP color recovery visual wasn't being picked by glXChooseVisual
250<li>glClear didn't always observe glColorMask changes
251<li>olympic and offset demos didn't compile on some Suns
252<li>texcoord clamping wasn't correct
253<li>a polygon optimization introduced an occasional sampling problem
254</ul>
255
256<h2>1.2.6   January 26, 1996</h2>
257New Features:
258<ul>
259<li>faster line and polygon rendering under certain conditions.  See
260	  Performance Tips 9 and 10 in README
261<li>profiling
262<li>lighting is a bit faster
263<li>better perspective corrected texture mapping
264<li>Amiga AmiWin (X11) support
265<li>preliminary Linux SVGA driver
266Changes:
267<li>now using a 16-bit depth buffer, faster, smaller
268<li>GL_NORMALIZE is disabled by default
269</ul>
270Bug fixes:
271<ul>
272<li>projective texture mapping
273<li>fixed a memory leak in the context destroy function
274<li>GL_POLYGON with less than 3 vertices caused a crash
275<li>glGet*() returned wrong result for GL_INDEX_MODE
276<li>reading pixels from an unmapped X window caused a BadMatch error
277</ul>
278
279<h2>1.2.7   March 5, 1996</h2>
280New:
281<ul>
282<li>faster lighting
283<li>faster 16-bit TrueColor rendering on Linux
284<li>faster 32-bit TrueColor rendering on Linux, HP, IBM
285<li>non-depth-buffered XImage polygons are faster
286<li>vertex array extension
287<li>software alpha planes
288<li>updated Macintosh driver
289<li>new NeXT driver
290<li>GLU quadric functions generate texture coordinates
291<li>reflect.c demo - reflective, textured surface demo
292</ul>
293Changes:
294<ul>
295<li>gamma correction code moved into the X driver for better performance
296</ul>
297Bug fixes:
298<ul>
299<li>multiple glClipPlane()'s didn't work reliably
300<li>glPolygonMode() didn't always work
301<li>glCullFace( GL_FRONT_AND_BACK ) didn't work
302<li>texture mapping with gamma correction was buggy
303<li>floating point exceptions in texture coordinate interpolation
304<li>XImage byte swapping didn't always work
305<li>polygon edge flags weren't always used correctly
306</ul>
307
308<h2>1.2.8   May 22, 1996</h2>
309New:
310<ul>
311<li>overlay planes on X servers with the SERVER_OVERLAY_VISUALS property
312<li>better monochrome output
313<li>more IRIX 6.x configurations
314<li>more robust RGB mode color allocation
315<li>added MESA_XSYNC environment variable
316<li>GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions
317<li>GL_MESA_window_pos extension
318<li>faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT
319	and GL_UNSIGNED_INT
320<li>driver for prototype Cirrus Mondello 3-D board
321<li>updated AmigaDOS driver
322<li>a few small speed optimizations in polygon rendering
323</ul>
324Changes:
325<ul>
326<li>internal device driver interface modified to simplify device
327	  driver implementations and to support hardware Z buffers
328<li>several changes to the X/Mesa interface (xmesa.h)
329</ul>
330Bug fixes:
331<ul>
332<li>fixed pow(0,0) domain error triggered on some systems
333<li>glStencilClear() in a display list caused an infinite loop
334<li>glRasterPos*() was sometimes off by +/-0.5 in X and Y
335<li>color masking and blending were performed in wrong order
336<li>auxSolidCylinder() sometimes drew a wire-frame cylinder
337<li>fixed file writing bug in osdemo.c
338<li>pixel mapping didn't always work
339<li>the GL_GEQUAL stencil func didn't work
340<li>the GL_INVERT stencil op didn't work
341<li>the stencil write mask didn't work
342<li>glPush/PopAttrib() didn't do enough error checking
343<li>glIsList() didn't always work correctly
344</ul>
345
346<h2>2.0  October 10, 1996</h2>
347New:
348<ul>
349<li>Implements OpenGL 1.1 API functions
350<li>all texture filtering modes supported (mipmapping)
351<li>faster texture mapping, see Performance Tip 11 in README
352<li>antialiased RGB points
353<li>X support for line and polygon stippling
354<li>glDrawBuffer( GL_FRONT_AND_BACK ) works
355<li>util/ directory of useful stuff
356<li>demos/texobj demo of texture objects
357</ul>
358Changes:
359<ul>
360<li>major internal changes for thread-safeness
361<li>new device driver interface
362<li>MESA_ALPHA env variable removed
363<li>triangle rasterizer replaces polygon rasterizer
364</ul>
365Bug fixes:
366<ul>
367<li>glPopAttrib() bug
368<li>glDrawBuffer(GL_NONE) works now
369</ul>
370
371<h2>2.1  December 14, 1996</h2>
372New:
373<ul>
374<li>VMS support
375<li>MS-DOS driver
376<li>OpenStep support
377<li>updated, combined Windows 95/NT driver
378<li>implemented glGetLighti() and glGetTexGen*()
379<li>GLX does garbage collection of ancillary buffers
380</ul>
381Bug fixes:
382<ul>
383<li>removed unused _EXT constants from gl.h
384<li>fixed polygon offset bugs
385<li>Z coordinates of clipped lines were incorrect
386<li>glEdgeFlag() in display lists didn't always work
387<li>glLight*() in display lists didn't work
388<li>fixed X line stipple bugs (Michael Pichler)
389<li>glXUseXfonts XFreeFont/XFreeFontInfo bug fixed
390<li>fixed a feedback bug
391<li>glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix
392<li>polygons were sometimes culled instead of clipped
393<li>triangle rasterizer suffered from float/int overflow exceptions
394<li>fixed FP underflow exception in lighting (specular exponent)
395<li>glEnable/glDisable of GL_EXT_vertex_array enums didn't work
396<li>fixed free(NULL) in GLU tesselator code
397<li>using 24-bit color on some X servers resulted in garbage rendering
398<li>32-bit per pixel mode for XFree86 now works
399<li>glRotate(a,0,0,0) gave unpredictable results
400<li>GL_LINE_STRIP with &gt; 480 vertices had occasional clipping problems
401<li>8-bit TrueColor GLXPixmap rendering incorrectly required a colormap
402<li>glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled
403<li>glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right
404<li>accumulation buffer was limited to positive values
405<li>projective textures didn't work
406<li>selection buffer overflows weren't handled correctly
407</ul>
408Changes:
409<ul>
410<li>restored the GL_EXT_polygon_offset extension
411<li>slightly faster RGB dithering
412<li>the SVGA driver works again
413<li>Amiga driver now distributed separately
414<li>NeXT driver updated for Mesa 2.x
415</ul>
416
417<h2>2.2  March 14, 1997</h2>
418New:
419<ul>
420<li>better color selection when dithering
421<li>added GL_EXT_texture_object extension
422<li>updated MS-DOS driver for DJGPP
423<li>added openbsd make configuration
424<li>faster dithered flat-shaded triangles
425<li>various compilation problems with Motif widgets fixed
426<li>gl.h, glx.h and glu.h name mangling option
427<li>BeOS driver
428<li>3D texture mapping extension
429<li>GL_MESA_resize_buffers extension
430<li>morph3d, stex3d and spectex demos
431<li>3Dfx support
432</ul>
433Bug fixes:
434<ul>
435<li>glColorMaterial should finally work right in all respects
436<li>linear interpolation of mipmap levels was incorrectly weighted
437<li>readpix.c didn't compile on Macintosh
438<li>GL_INVERT and related logic ops didn't work right
439<li>glTexImage[12]D() didn't check its parameters consistantly
440<li>fixed a memory leak in glTexImage[12]D()
441<li>kludged around a SunOS 5.x/GCC compiler bug in the feedback code
442<li>glReadPixels aborted instead of normally catching some errors
443<li>a few 1.1 constants were missing or misnamed in gl.h
444<li>glBegin(p); glBegin(q); didn't generate an error
445<li>fixed a memory leak in GLX code
446<li>clipping of concave polygons could cause a core dump
447<li>1-component alpha texture maps didn't work
448<li>fixed a GLU polygon tesselator bug
449<li>polygons with colinear vertices were sometimes culled
450<li>feedback triangle colors were wrong when using smooth shading
451<li>textures with borders didn't work correctly
452<li>colors returned in feedback mode were wrong when using lighting
453<li>spotlights didn't effect ambient lighting correctly
454<li>gluPartialDisk() had a few bugs
455</ul>
456Changes:
457<ul>
458<li>device driver interface expanded to support texture mapping
459<li>faster matrix inversion subroutine
460<li>commented out #include "wmesa_extend.h" from src/wmesa.c
461<li>fixed many compiler warnings in the demo programs
462</ul>
463
464<h2>2.3  June 30, 1997</h2>
465New:
466<ul>
467<li>Mesa distribution divided into two pieces:  library code and demos
468<li>faster vertex transformation, clip testing, lighting
469<li>faster line drawing
470<li>TrueColor visuals how have dithering (for depths < 24 bits)
471<li>added MESA_NO_DITHER environment variable
472<li>new device driver function: NearFar(), RenderVB(), RasterSetup()
473<li>added LynxOS configuration
474<li>added cygnus Win32 configuration
475<li>added texcyl.c GLUT demo
476<li>added XMesaDitherColor() to X/Mesa interface
477<li>new NURBS code from Bogdan Sikorski
478<li>added demos/shape.c (non-rectangular X window!)
479</ul>
480Bug fixes:
481<ul>
482<li>glEnable/DisableClientState() were missing from GL/gl.h
483<li>GL_SPHERE_MAP texcoord generation didn't work correctly
484<li>glXGetConfig() returned wrong number of depth, stencil, accum bits
485<li>glDrawPixels feedback/selection didn't examine RasterPos valid bit
486<li>black and white were reversed on some monochrome displays
487<li>fixed potential image memory leak (wasn't setting reference counter)
488<li>glDrawPixels sometimes didn't recognize some GL state changes
489<li>gluProject/UnProject() didn't check for divide by zero
490<li>stex3d demo called random() and srandom(), not portable
491<li>fixed memory leaks in context.c and drawpix.c
492<li>fixed NULL dereferencing problem in gl_update_texture_state()
493<li>glReadPixels between glBegin/glEnd didn't generate an error.
494<li>fixed memory leak in polygon tesselator (Randy Frank)
495<li>fixed seg fault bug drawing flat-shaded, depth-tested lines
496<li>clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded
497<li>glBindTexture sometimes didn't work
498<li>fixed a bug deep in glXReleaseBuffersMESA()
499<li>fog was mistakenly applied to alpha
500<li>glPopMatrix didn't set "dirty matrix" flag
501<li>glPolygonStipple pattern was sometimes wrong
502<li>glClear wasn't disabled during feedback and selection
503<li>fixed memory leak in glTexSubImage[123]D
504</ul>
505Changes:
506<ul>
507<li>many library source files reorganized
508<li>faster X color allocation, colors also freed when finished with them
509<li>new texture sampling function pointer in texture objects
510<li>incorporated 3Dfx VooDoo driver v0.16 into main source tree
511<li>many 3Dfx driver updates
512<li>cygnus Makefiles now included
513<li>updated DOS driver
514<li>made a few changes to dosmesa.c and wmesa.c (VB-&gt;Unclipped)
515<li>internally, colors now stored in GLubytes, not GLfixed
516<li>optimized changing of GL_SHININESS parameter
517</ul>
518
519<h2>2.4  September 18, 1997</h2>
520New:
521<ul>
522<li>updated 3Dfx Glide driver
523<li>hacks for 3Dfx rendering into an X window or fullscreen
524<li>added depth buffer access functions to X/Mesa and OS/Mesa interfaces
525</ul>
526Bug fixes:
527<ul>
528<li>pixel buffer could overflow with long, wide lines
529<li>fixed FP underflow problems in lighting
530<li>glTexSubImage1D() had an unitialized variable
531<li>incomplete texture objects could cause a segfault
532<li>glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop
533<li>flat-shaded quads in a strip were miscolored if clipped
534<li>mipmapped triangle lod computation now works correctly
535<li>fixed a few under/overflow bugs in triangle rasterizer
536<li>glArrayElement() assigned bad normal if normal array disabled
537<li>changed argument to glXReleaseBuffersMESA()
538<li>fixed small triangle underflow bugs in tritemp.h (hopefully)
539<li>glBindTexture(target, 0) caused a crash
540<li>glTexImage[123]D() with NULL image pointer caused crash
541<li>glPixelStore parameters are now ignored during display list execution
542<li>fixed a two-sided lighting w/ clipping bug (black vertices)
543<li>textures with width!=height were sometimes mis-rendered
544<li>"weird" projection matrices could cause div by 0, other fp errors
545</ul>
546Changes:
547<ul>
548<li>changed precompiled header symbol from PCH to PC_HEADER
549<li>split api.c into api1.c and api2.c
550<li>added hash.c source file (but not used yet)
551<li>a few Sun and HP configuration file changes
552<li>MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN
553<li>fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c)
554</ul>
555
556<h2>2.5  November 20, 1997</h2>
557New:
558<ul>
559<li>updated 3Dfx driver (v20) for GLQuake
560<li>added GL_EXT_paletted_texture extension
561<li>added GL_EXT_shared_texture_palette extension
562<li>added GL_EXT_point_parameters extension
563<li>now including Mark Kilgard's GLUT library v3.6
564<li>new GLUT-based demos in gdemos/
565<li>added a few more Unix config targets
566<li>added Intel X86 assembly language vertex transformation code
567<li>3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var
568<li>Windows 95 S3 Virge driver
569</ul>
570Bug fixes:
571<ul>
572<li>glCopyTexImage?D would crash due to uninitialized variable
573<li>glColor w/ glColorMaterial in a display list caused a bug
574<li>fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver
575<li>glVertex4*() vertices weren't always projected correctly
576<li>trying to use mipmapped textured points or lines caused crash
577<li>glColor[34][fd]() values now clamped to [0,1] before int conversion
578</ul>
579Changes:
580<ul>
581<li>new device driver functions for texture mapping
582<li>hash tables used for display list and texture object lookup
583<li>fixed GLX visual handling code to avoid saving redundant visuals
584<li>3Dfx Glide libraries automatically linked to libMesaGL.so
585<li>dropped the Cirrus Logic Mondello code since it's obsolete
586<li>updated Cygnus Makefiles (Stephane Rehel)
587<li>updated Windows MSVC++ Makefiles (Oleg Letsinsky)
588<li>procedure for making library files has changed: scripts now take
589	a major and minor version arguments.  Make-config changed a lot.
590<li>new implementation of glTexSubImage2D()
591<li>updated widgets-mesa directory to create libMesaGLwM.a (Motif widget)
592<li>separate linux-glide and linux-386-glide configurations
593</ul>
594
595<h2>2.6  February 12, 1998</h2>
596New:
597<ul>
598<li>Windows WGL functions
599<li>updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support
600<li>v0.22 of 3Dfx Glide driver
601<li>more X86 assembly language optimizations
602<li>faster blending for some modes
603<li>XMesaSetFXmode() to switch between 3Dfx window and full-screen mode
604<li>added preliminary thread support
605<li>added GLX_MESA_copy_sub_buffer extension
606<li>some clipping optimizations
607</ul>
608Bug fixes:
609<ul>
610<li>fixed shading/material bug when drawing long primitive strips
611<li>fixed clipping problem in long primitive strips
612<li>fixed clipping bug when using 3Dfx driver
613<li>fixed a problem when trying to use X fonts w/ 3Dfx driver
614<li>fixed a texture filter bug in 3Dfx/Glide driver
615<li>fixed bug in 3Dfx/Glide driver involving depth mask &amp; clearing
616<li>glLoadMatrix to set projection matrix confused the 3Dfx driver
617<li>non-identity texture matrices didn't work with linux-386 configs
618<li>glGenTextures() didn't reserve the returned texture IDs
619<li>NULL proxy image sent to glTexImageXD() caused crash
620<li>added texture state validation optimization (Henk Kok)
621<li>fixed colormap reuse problem when using both RGB and CI windows
622<li>32bpp True/DirectColor X visuals weren't recognized
623<li>fixed potential problem in evaluators memory allocation
624<li>fixed assorted demo compilation bugs
625</ul>
626Changes:
627<ul>
628<li>replaced old Mesa/windows/ directory with Mesa/WIN32/ directory
629<li>converted a few old glaux/gltk demos to GLUT
630<li>renamed directories:  demos -&gt; xdemos,  gdemos -&gt; demos
631</ul>
632
633
634<h2>3.0  September 17, 1998</h2>
635New:
636<ul>
637<li>OpenGL 1.2 API
638<li>GL_EXT_abgr pixel format extension
639<li>GL_SGIS_texture_edge_clamp extension
640<li>GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex)
641<li>GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex)
642<li>GL_EXT_rescale_normal extension and renormal.c demo
643<li>GLX_SGI_video_sync extension (a no-op)
644<li>antialiased lines
645<li>glGetTexImage() now implemented
646<li>glDraw/Copy/ReadPixels() optimizations
647<li>optimized textured triangle code (Marten Stromberg)
648<li>more optimization of dithered TrueColor triangles in X driver
649<li>Linux GGI driver
650<li>updated MGL driver
651</ul>
652Bug fixes:
653<ul>
654<li>lots of assorted compilation fixes
655<li>glInitNames didn't write initial hit record
656<li>glBitmap didn't always check for invalid raster position
657<li>switching between GLX and OSMesa contexts caused a crash
658<li>fixed uninitialized variable in Mesa widget code
659<li>fixed typo in texture code which caused book/texgen to crash
660<li>fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP
661<li>gluDisk() in POINT or LINE mode sometimes failed
662<li>fixed texture + fog bug
663<li>GL_COMPILE_AND_EXECUTE mode didn't work reliably
664<li>glMultMatrix in projection matrix mode w/ 3Dfx driver could fail
665<li>glDrawPixels(color index pixels) weren't converted to RGBA
666<li>fixed possible getenv() buffer overflow security bug
667<li>glBitmap in feedback mode was offset by xOrig, yOrig params
668<li>device driver's DrawPixels hook was never used
669<li>glDrawPixels with zoomY!=1 and top/bottom clipping didn't work
670<li>glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte
671<li>fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c
672<li>glCopyTexSubImage2D() didn't work with 3Dfx driver
673<li>lines with width = 2 could cause crash
674<li>glClear with scissor rect sometimes cleared whole buffer
675<li>glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work
676<li>glTexImageXD( .. GL_ABGR_EXT .. ) didn't work
677<li>computation of inverse modelview matrix sometimes failed
678<li>fixed GL_CLAMP mode texture sampling bug
679<li>textured line interpolation was somewhat broken
680<li>textured triangle interpolation was also somewhat broken
681<li>glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one
682<li>evaluator state wasn't fully initialized
683<li>texture coordinate clipping was buggy
684<li>evaluator surfaces could be mis-colored
685<li>glAccum(GL_RETURN, s) didn't obey glColorMask() settings
686<li>zero area polygons shouldn't be culled if polygon mode is point/line
687<li>clipped width and height of glReadPixels was sometimes off by one
688<li>blending with alpha = 0 or 1.0 wasn't always exact
689<li>reading of pixels from clipped region was buggy
690<li>minor tweaking of X visual management in GLX emulator
691<li>glPolygonStipple now obeys pixel unpacking parameters
692<li>glGetPolygonStipple now obeys pixel packing parameters
693<li>interleaved vertex array texture coordinates were broken
694<li>query of proxy texture internal format was broken
695<li>alpha channel wasn't reliably cleared
696<li>fixed divide by zero error in gluScaleImage if dest size = 1 x 1
697</ul>
698Conformance bug fixes:
699<ul>
700<li>GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing
701<li>GL_TEXTURE_INTERNAL_FORMAT was missing
702<li>glGet*(GL_POLYGON_STIPPLE) was broken
703<li>glPush/PopAttrib() didn't save/restore all texture state
704<li>glBitmap in feedback mode didn't work
705<li>feedback of texture coords didn't always work
706<li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke
707<li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke
708<li>glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke
709</ul>
710Changes:
711<ul>
712<li>upgraded GLUT to version 3.7
713<li>only GL and GLU library code included in MesaLib.tar.gz
714<li>GLUT and all demos now in MesaDemos.tar.gz
715<li>glaux and gltk libraries removed
716<li>IRIX -n32 and -64 libs go in lib32/ and lib64/ directories
717</ul>
718
719
720<h2>3.1 beta 1  November 19, 1998</h2>
721New:
722<ul>
723<li>GL_EXT_stencil_wrap extension
724<li>GL_INGR_blend_func_separate extension
725<li>GL_ARB_multitexture extension
726<li>GL_NV_texgen_reflection extension
727<li>newly optimized vertex transformation code
728<li>updated GLUT 3.7 code
729<li>better precision when using 32-bit Z buffer
730<li>Allegro DJGPP driver
731</ul>
732Bug fixes:
733<ul>
734<li>glCopyPixels between front/back buffers didn't copy alpha correctly
735<li>fixed out-of-bounds memory access in optimized 2-D texture code
736<li>glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter
737<li>glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter
738<li>clipping of texture coordinates sometimes had bad R,Q values
739<li>GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels
740<li>glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean *
741<li>texture was sometimes applied twice with 3Dfx driver
742<li>glPush/PopAttrib() fouled up texture object reference counts
743<li>glDeleteLists(0, n) caused assertion failure
744<li>bilinear texture sampling wasn't accurate enough
745<li>glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx
746<li>color components were reversed on big endian 32 bpp X visuals
747</ul>
748Changes:
749<ul>
750<li>removed GL_EXT_multitexture extension
751</ul>
752
753
754<h2>3.1 beta 2  May 24, 1999</h2>
755New:
756<ul>
757<li>multi-textured points and lines (mjk@nvidia.com)
758<li>optimized 24bpp X rendering (bernd.paysan@gmx.de)
759<li>added allegro support (bernie-t@geocities.com)
760<li>cleaned-up Windows-related stuff (Ted Jump)
761<li>minor stereo changes (KendallB@scitechsoft.com)
762<li>new BeOS driver which implements BGLView class
763<li>new Direct3D driver (see src/D3D)
764<li>more efficient filled gluCylinder() function
765<li>utilities:  util/showbuffer.[ch] and util/glstate.[ch]
766<li>fixed some IRIX compiler warnings
767<li>added support for building Mesa in XFree86 with
768	SGI's GLX (kevin@precisioninsight.com)
769</ul>
770Bug fixes:
771<ul>
772<li>a variety of Windows/Mesa bug fixes (mjk@nvidia.com)
773<li>packed pixel images weren't unpacked correctly
774<li>patches some win32 files in GLUT (mjk@nvidia.com)
775<li>glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX
776<li>fixed lighting bug in Keith's new shading code
777<li>fixed texture segfault seen in Lament screensaver
778<li>fixed miscellaneous low-memory bugs
779<li>glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken
780<li>GL_LINEAR sampling of 3D textures was broken
781<li>fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org)
782<li>added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk)
783<li>fixed wide point and wide line conformance bugs (brianp)
784</ul>
785Changes:
786<ul>
787<li>some device driver changes (see src/dd.h)
788<li>new copyright on core Mesa code
789</ul>
790
791
792<h2>3.1 beta 3  September 17, 1999</h2>
793New:
794<ul>
795<li>optimized glAccum function
796<li>optimized 24bpp rendering in XMesa driver
797<li>GLU 1.2 polygon tessellator
798</ul>
799Bug Fixes:
800<ul>
801<li>glGetTexLevelParameter wasn't fully implemented
802<li>glXUseXFont now handles multi-byte fonts
803<li>glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result
804<li>alpha channel of blending points, lines was sometimes incorrect
805</ul>
806Changes:
807<ul>
808<li>New library names:  "libGL" instead of "libMesaGL"
809<li>New library numbering: libGL.so.1.2.310
810<li>New subdirectories:  docs/ and bin/
811<li>New Makefile-system (autoconf,automake,libtool)
812</ul>
813
814
815<h2>3.1 final  December 14, 1999</h2>
816New:
817<ul>
818<li>added demos/gloss.c
819<li>added xdemos/glxdpyinfo.c
820<li>added GLX_ARB_get_proc_address extension
821<li>rewritten glTexImage code paths (faster, less memory, bug fixes)
822</ul>
823Bug Fixes:
824<ul>
825<li>several vertex array bug fixes
826<li>overlapping glCopyPixels with pixel zooming now works
827<li>glXUseXFont() bitmaps were vertically shifted by one pixel
828<li>glCopyPixels with pixel zooming now works
829</ul>
830
831
832<h2>3.2 final  April 24, 2000</h2>
833Bug fixes:
834<ul>
835<li>fixed memcpy bugs in span.c
836<li>fixed missing glEnd problem in demos/tessdemo.c
837<li>fixed bug when clearing 24bpp Ximages
838<li>fixed clipping problem found in Unreal Tournament
839<li>fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2
840<li>fixed Loki's 3dfx RGB vs BGR bug
841<li>fixed Loki's 3dfx smooth/flat shading bug in SoF
842</ul>
843Changes:
844<ul>
845<li>updated docs/README file
846<li>use bcopy() optimizations on FreeBSD
847<li>re-enabled the optimized persp_textured_triangle() function
848</ul>
849
850
851<h2>3.2.1  July 19, 2000</h2>
852Bug fixes:
853<ul>
854<li>gluBuild2DMipmaps() didn't accept GL_BGRA
855<li>Fixed compile/makefile problems on IRIX
856<li>fixed segfault in 3dfx driver when using GL selection/feedback
857<li>no longer cull very, very tiny triangles
858<li>blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering)
859<li>fixed Motif detection code in widgets-mesa/configure.in
860<li>glColorMaterial and glMaterial updates to emissive and ambient
861	  didn't always work right
862<li>Specular highlights weren't always in the right place
863<li>clipped GL_LINE mode polygons had interior lines appear
864<li>blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken
865<li>GL_NICEST fog didn't always work with flat shading
866<li>glRect commands in display lists were sometimes miscolored
867<li>Line Z offset didn't always work
868<li>fixed texgen normal vector problem (gloss's teapot)
869<li>numerous GL conformance bugs fixed
870</ul>
871Changes:
872<ul>
873<li>glColorMask(false, false, false, false) handled better/faster
874<li>reverted to old GLU polygon tessellator, GLU 1.1
875<li>updated Win32 build files
876</ul>
877
878
879<h2>3.3  July 21, 2000</h2>
880New:
881<ul>
882<li>antialiased triangles now implemented
883<li>GL_EXT_texture_env_add texture mode extension
884<li>GLX 1.3 API
885<li>support for separate draw/read buffers (ie GL_SGI_make_current_read)
886<li>thread-safe API dispath
887<li>improved glxinfo program
888<li>demos/texdown program to measure texture download performance
889<li>glext.h header file
890<li>demos/geartrain program
891<li>GL_EXT_texture_lod_bias extension
892<li>demos/lodbias program
893<li>further optimized glRead/DrawPixels for 16-bit TrueColor X visuals
894<li>GLX_EXT_visual_rating extension (a no-op, however)
895<li>GL_HP_occlusion_test extension (for X and OS/Mesa drivers)
896<li>demos/occlude program
897<li>GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions
898<li>demos/pixeltex program
899<li>GL_SGI_color_matrix extension
900<li>GL_SGI_color_table extension
901<li>GL_EXT_histogram extension
902<li>GL_ARB_texture_cube_map extension
903<li>added xdemos/glxheads and xdemos/manywin
904<li>demos/texenv.c demo
905<li>GL_EXT_texture_env_combine extension (by Holger Waechtler)
906<li>Xlib driver is now thread-safe (see xdemos/glthreads)
907</ul>
908Bug Fixes:
909<ul>
910<li>various GL conformance failures fixed since 3.2.1
911</ul>
912Changes:
913<ul>
914<li>gl.h now uses #defines instead of C enums for all tokens
915<li>glu.h now uses #defines instead of C enums for all tokens
916<li>moved programs from 3Dfx/demos/ into demos/ directory
917</ul>
918
919
920<h2>3.4  November 3, 2000</h2>
921New:
922<ul>
923<li>optimized glDrawPixels for glPixelZoom(1,-1)
924Bug Fixes:
925<li>widgets-mesa/src/*.c files were missing from 3.3 distro
926<li>include/GL/mesa_wgl.h file was missing from 3.3 distro
927<li>fixed some Win32 compile problems
928<li>texture object priorities weren't getting initialized to 1.0
929<li>glAreTexturesResident return value was wrong when using hardware
930<li>glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX)
931<li>glReadPixels with GLushort packed types was broken
932<li>fixed a few bugs in the GL_EXT_texture_env_combine texture code
933<li>glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables
934<li>fixed some typos/bugs in the VB code
935<li>glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work
936<li>optimized glDrawPixels paths weren't being used
937<li>per-fragment fog calculation didn't work without a Z buffer
938<li>improved blending accuracy, fixes Glean blendFunc test failures
939<li>glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly
940<li>glXGetProcAddressARB() didn't always return the right address
941<li>gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format
942<li>texture matrix changes weren't always detected (GLUT projtex demo)
943<li>fixed random color problem in vertex fog code
944<li>fixed Glide-related bug that let Quake get a 24-bit Z buffer
945</ul>
946Changes:
947<ul>
948<li>finished internal support for compressed textures for DRI
949</ul>
950
951
952<h2>3.4.1  February 14, 2001</h2>
953New:
954<ul>
955<li>fixed some Linux build problems
956<li>fixed some Windows build problems
957<li>GL_EXT_texture_env_dot3 extension (Gareth Hughes)
958</ul>
959Bug fixes:
960<ul>
961<li>added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI
962<li>various state-update code changes needed for DRI bugs
963<li>disabled pixel transfer ops in glColorTable commands, not needed
964<li>fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter
965<li>updated sources and fixed compile problems in widgets-mesa/
966<li>GLX_PBUFFER enum value was wrong in glx.h
967<li>fixed a glColorMaterial lighting bug
968<li>fixed bad args to Read/WriteStencilSpan in h/w stencil clear function
969<li>glXCopySubBufferMESA() Y position was off by one
970<li>Error checking of glTexSubImage3D() was broken (bug 128775)
971<li>glPopAttrib() didn't restore all derived Mesa state correctly
972<li>Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL
973	  conformance problems at 16bpp.
974<li>clearing depth buffer with scissoring was broken, would segfault
975<li>OSMesaGetDepthBuffer() returned bad bytesPerValue value
976<li>fixed a line clipping bug (reported by Craig McDaniel)
977<li>fixed RGB color over/underflow bug for very tiny triangles
978</ul>
979Known problems:
980<ul>
981<li>NURBS or evaluator surfaces inside display lists don't always work
982</ul>
983
984
985<h2>3.4.2  May 17, 2001</h2>
986Bug fixes:
987<ul>
988<li>deleting the currently bound texture could cause bad problems
989<li>using fog could result in random vertex alpha values
990<li>AA triangle rendering could touch pixels outside right window bound
991<li>fixed byteswapping problem in clear_32bit_ximage() function
992<li>fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam
993<li>fixed memory leak in glXUseXFont()
994<li>fragment sampling in AA triangle function was off by 1/2 pixel
995<li>Windows: reading pixels from framebuffer didn't always work
996<li>glConvolutionFilter2D could segfault or cause FP exception
997<li>fixed segfaults in FX and X drivers when using tex unit 1 but not 0
998<li>GL_NAND logicop didn't work right in RGBA mode
999<li>fixed a memory corruption bug in vertex buffer reset code
1000<li>clearing the softwara alpha buffer with scissoring was broken
1001<li>fixed a few color index mode fog bugs
1002<li>fixed some bad assertions in color index mode
1003<li>fixed FX line 'stipple' bug #420091
1004<li>fixed stencil buffer clear width/height typo
1005<li>fixed GL error glitches in gl[Client]ActiveTextureARB()
1006<li>fixed Windows compilation problem in texutil.c
1007<li>fixed 1/8-pixel AA triangle sampling error
1008</ul>
1009Changes:
1010<ul>
1011<li>optimized writing mono-colored pixel spans to X pixmaps
1012<li>increased max viewport size to 2048 x 2048
1013</ul>
1014
1015
1016<h2>3.5  June 21, 2001</h2>
1017New:
1018<ul>
1019<li>internals of Mesa divided into modular pieces (Keith Whitwell)
1020<li>100% OpenGL 1.2 conformance (passes all conformance tests)
1021<li>new AA line algorithm
1022<li>GL_EXT_convolution extension
1023<li>GL_ARB_imaging subset
1024<li>OSMesaCreateContextExt() function
1025<li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
1026<li>GL_MAX_TEXTURE_UNITS_ARB now defaults to eight
1027<li>GL_EXT_fog_coord extension (Keith Whitwell)
1028<li>GL_EXT_secondary_color extension (Keith Whitwell)
1029<li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add)
1030<li>GL_SGIX_depth_texture extension
1031<li>GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions
1032<li>demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow
1033<li>GL_ARB_texture_env_combine extension
1034<li>GL_ARB_texture_env_dot3 extension
1035<li>GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp)
1036<li>OSMesaCreateContextExt() function
1037<li>libOSMesa.so library, contains the OSMesa driver interface
1038<li>GL/glxext.h header file for GLX extensions
1039<li>somewhat faster software texturing, fogging, depth testing
1040<li>all color-index conformance tests now pass (only 8bpp tested)
1041<li>SPARC assembly language TCL optimizations (David Miller)
1042<li>GL_SGIS_generate_mipmap extension
1043</ul>
1044Bug Fixes:
1045<ul>
1046<li>fbiRev and tmuRev were unitialized when using Glide3
1047<li>fixed a few color index mode conformance failures; all pass now
1048<li>now appling antialiasing coverage to alpha after texturing
1049<li>colors weren't getting clamped to [0,1] before color table lookup
1050<li>fixed RISC alignment errors caused by COPY_4UBV macro
1051<li>drawing wide, flat-shaded lines could cause a segfault
1052<li>vertices now snapped to 1/16 pixel to fix rendering of tiny triangles
1053</ul>
1054Changes:
1055<ul>
1056<li>SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU
1057<li>new libOSMesa.so library, contains the OSMesa driver interface
1058</ul>
1059
1060
1061<h2>4.0  October 22, 2001</h2>
1062New:
1063<ul>
1064<li>Mesa 4.0 implements the OpenGL 1.3 specification
1065<li>GL_IBM_rasterpos_clip extension
1066<li>GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp)
1067<li>GL_ARB_texture_mirrored_repeat extension
1068<li>WindML UGL driver (Stephane Raimbault)
1069<li>added OSMESA_MAX_WIDTH/HEIGHT queries
1070<li>attempted compiliation fixes for Solaris 5, 7 and 8
1071<li>updated glext.h and glxext.h files
1072<li>updated Windows driver (Karl Schultz)
1073</ul>
1074Bug fixes:
1075<ul>
1076<li>added some missing GLX 1.3 tokens to include/GL/glx.h
1077<li>GL_COLOR_MATRIX changes weren't recognized by teximage functions
1078<li>glCopyPixels with scale and bias was broken
1079<li>glRasterPos with lighting could segfault
1080<li>glDeleteTextures could leave a dangling pointer
1081<li>Proxy textures for cube maps didn't work
1082<li>fixed a number of 16-bit color channel bugs
1083<li>fixed a few minor memory leaks
1084<li>GLX context sharing was broken in 3.5
1085<li>fixed state-update bugs in glPopClientAttrib()
1086<li>fixed glDrawRangeElements() bug
1087<li>fixed a glPush/PopAttrib() bug related to texture binding
1088<li>flat-shaded, textured lines were broken
1089<li>fixed a dangling pointer problem in the XMesa code (Chris Burghart)
1090<li>lighting didn't always produce the correct alpha value
1091<li>fixed 3DNow! code to not read past end of arrays (Andrew Lewycky)
1092</ul>
1093
1094
1095<h2>4.0.1 December 17, 2001</h2>
1096New:
1097<ul>
1098<li>better sub-pixel sample positions for AA triangles (Ray Tice)
1099<li>slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO)
1100</ul>
1101Bug fixes:
1102<ul>
1103<li>added missing break statements in glGet*() for multisample cases
1104<li>fixed uninitialized hash table mutex bug (display lists / texobjs)
1105<li>fixed bad teximage error check conditional (bug 476846)
1106<li>fixed demos readtex.c compilation problem on Windows (Karl Schultz)
1107<li>added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT
1108<li>silence some compiler warnings (gcc 2.96)
1109<li>enable the #define GL_VERSION_1_3 in GL/gl.h
1110<li>added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h
1111<li>fixed glu.h typedef problem found with MSDev 6.0
1112<li>build libGL.so with -Bsymbolic (fixes bug found with Chromium)
1113<li>added missing 'const' to glXGetContextIDEXT() in glxext.h
1114<li>fixed a few glXGetProcAddress() errors (texture compression, etc)
1115<li>fixed start index bug in compiled vertex arrays (Keith)
1116<li>fixed compilation problems in src/SPARC/glapi_sparc.S
1117<li>fixed triangle strip "parity" bug found in VTK medical1 demo (Keith)
1118<li>use glXGetProcAddressARB in GLUT to avoid extension linking problems
1119<li>provoking vertex of flat-shaded, color-index triangles was wrong
1120<li>fixed a few display list bugs (GLUT walker, molecule, etc) (Keith)
1121<li>glTexParameter didn't flush the vertex buffer (Ray Tice)
1122<li>feedback attributes for glDraw/CopyPixels and glBitmap were wrong
1123<li>fixed bug in normal length caching (ParaView lighting bug)
1124<li>fixed separate_specular color bug found in Chimera (18 Dec 2001)
1125</ul>
1126
1127
1128<h2>4.0.2  April 2, 2002</h2>
1129New:
1130<ul>
1131<li>New DOS (DJGPP) driver written by Daniel Borca
1132<li>New driver interface functions for TCL drivers (such as Radeon DRI)
1133<li>GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32"
1134	  if using deep color channels
1135<li>latest GL/glext.h and GL/glxext.h headers from SGI
1136</ul>
1137Bug fixes:
1138<ul>
1139<li>GL_BLEND with non-black texture env color wasn't always correct
1140<li>GL_REPLACE with GL_RGB texture format wasn't always correct (alpha)
1141<li>glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken
1142<li>glReadPixels was sometimes mistakenly clipped by the scissor box
1143<li>glDraw/ReadPixels didn't catch all the errors that they should have
1144<li>Fixed 24bpp rendering problem in Windows driver (Karl Schultz)
1145<li>16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c)
1146<li>Fixed 1-bit float-&gt;int conversion bug in glDrawPixels(GL_DEPTH_COMP)
1147<li>glColorMask as sometimes effecting glXSwapBuffers()
1148<li>fixed a potential bug in XMesaGarbageCollect()
1149<li>N threads rendering into one window didn't work reliably
1150<li>glCopyPixels didn't work for deep color channels
1151<li>improved 8 -&gt; 16bit/channel texture image conversion (Gerk Huisma)
1152<li>glPopAttrib() didn't correctly restore user clip planes
1153<li>user clip planes failed for some perspective projections (Chromium)
1154</ul>
1155Known bugs:
1156<ul>
1157<li>mipmap LOD computation
1158</ul>
1159
1160
1161<h2>4.0.3  June 25, 2002</h2>
1162New:
1163<ul>
1164<li>updated GL/glext.h file (version 15)
1165<li>corrected MMX blend code (Jose Fonseca)
1166<li>support for software-based alpha planes in Windows driver
1167<li>updated GGI driver (Filip Spacek)
1168</ul>
1169Bug fixes:
1170<ul>
1171<li>glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens
1172<li>OSMesaMakeCurrent() didn't recognize buffer size changes
1173<li>assorted conformance fixes for 16-bit/channel rendering
1174<li>texcombine alpha subtraction mode was broken
1175<li>fixed lighting bug with non-uniform scaling and display lists
1176<li>fixed bug when deleting shared display lists
1177<li>disabled SPARC cliptest assembly code (Mesa bug 544665)
1178<li>fixed a couple Solaris compilation/link problems
1179<li>blending clipped glDrawPixels didn't always work
1180<li>glGetTexImage() didn't accept packed pixel types
1181<li>glPixelMapu[is]v() could explode given too large of pixelmap
1182<li>glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT
1183<li>glXCopyContext() could lead to segfaults
1184<li>glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665)
1185</ul>
1186Changes:
1187<ul>
1188<li>lots of C++ (g++) code clean-ups
1189<li>lots of T&amp;L updates for the Radeon DRI driver
1190</ul>
1191Known bugs:
1192<ul>
1193<li>mipmap LOD computation (fixed for Mesa 4.1)
1194</ul>
1195
1196
1197<h2>4.0.4  October 3, 2002</h2>
1198New:
1199<ul>
1200<li>GL_NV_texture_rectangle extension
1201<li>updated glext.h header (version 17)
1202<li>updated DOS driver (Daniel Borca)
1203<li>updated BeOS R5 driver (Philippe Houdoin)
1204<li>added GL_IBM_texture_mirror_repeat
1205<li>glxinfo now takes -l option to print interesting OpenGL limits info
1206<li>GL_MESA_ycbcr_texture extension
1207<li>GL_APPLE_client_storage extension (for some DRI drivers only)
1208<li>GL_MESA_pack_invert extension
1209</ul>
1210Bug fixes:
1211<ul>
1212<li>fixed GL_LINEAR fog bug by adding clamping
1213<li>fixed FP exceptions found using Alpha CPU
1214<li>3dfx MESA_GLX_FX=window (render to window) didn't work
1215<li>fixed memory leak in wglCreateContest (Karl Schultz)
1216<li>define GLAPIENTRY and GLAPI if undefined in glu.h
1217<li>wglGetProcAddress didn't handle all API functions
1218<li>when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map
1219<li>removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc()
1220<li>error checking in compressed tex image functions had some glitches
1221<li>fixed AIX compile problem in src/config.c
1222<li>glGetTexImage was using pixel unpacking instead of packing params
1223<li>auto-mipmap generation for cube maps was incorrect
1224</ul>
1225Changes:
1226<ul>
1227<li>max texture units reduced to six to accommodate texture rectangles
1228<li>removed unfinished GL_MESA_sprite_point extension code
1229</ul>
1230
1231
1232<h2>4.1  October 29, 2002</h2>
1233New:
1234<ul>
1235<li>GL_NV_vertex_program extension
1236<li>GL_NV_vertex_program1_1 extension
1237<li>GL_ARB_window_pos extension
1238<li>GL_ARB_depth_texture extension
1239<li>GL_ARB_shadow extension
1240<li>GL_ARB_shadow_ambient extension
1241<li>GL_EXT_shadow_funcs extension
1242<li>GL_ARB_point_parameters extension
1243<li>GL_ARB_texture_env_crossbar
1244<li>GL_NV_point_sprite extension
1245<li>GL_NV_texture_rectangle extension
1246<li>GL_EXT_multi_draw_arrays extension
1247<li>GL_EXT_stencil_two_side extension
1248<li>GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions
1249<li>GL_ATI_texture_mirror_once extension (Ian Romanick)
1250<li>massive overhaul/simplification of software rasterizer module,
1251	  many contributions from Klaus Niederkrueger
1252<li>faster software texturing in some cases (i.e. trilinear filtering)
1253<li>new OSMesaGetProcAddress() function
1254<li>more blend modes implemented with MMX code (Jose Fonseca)
1255<li>added glutGetProcAddress() to GLUT
1256<li>added GLUT_FPS env var to compute frames/second in glutSwapBuffers()
1257<li>pbinfo and pbdemo PBuffer programs
1258<li>glxinfo -v prints transprent pixel info (Gerd Sussner)
1259</ul>
1260Bug fixes:
1261<ul>
1262<li>better mipmap LOD computation (prevents excessive blurriness)
1263<li>OSMesaMakeCurrent() didn't recognize buffer size changes
1264<li>assorted conformance fixes for 16-bit/channel rendering
1265<li>texcombine alpha subtraction mode was broken
1266<li>fixed some blend problems when GLchan==GLfloat (Gerk Huisma)
1267<li>clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma)
1268<li>fixed divide by zero error in NURBS tessellator (Jon Perry)
1269<li>fixed GL_LINEAR fog bug by adding clamping
1270<li>fixed FP exceptions found using Alpha CPU
1271<li>3dfx/glide driver render-to-window feature was broken
1272<li>added missing GLX_TRANSPARENT_RGB token to glx.h
1273<li>fixed error checking related to paletted textures
1274<li>fixed reference count error in glDeleteTextures (Randy Fayan)
1275</ul>
1276Changes:
1277<ul>
1278<li>New spec file and Python code to generate some GL dispatch files
1279<li>Glide driver defaults to "no" with autoconf/automake
1280<li>updated demos/stex3d with new options
1281</ul>
1282
1283
1284<h2>5.0  November 13, 2002</h2>
1285New:
1286<ul>
1287<li>OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4")
1288<li>removed some overlooked debugging code
1289<li>glxinfo updated to support GLX_ARB_multisample
1290<li>GLUT now support GLX_ARB_multisample
1291<li>updated DOS driver (Daniel Borca)
1292</ul>
1293Bug fixes:
1294<ul>
1295<li>GL_POINT and GL_LINE-mode polygons didn't obey cull state
1296<li>fixed potential bug in _mesa_align_malloc/calloc()
1297<li>fixed missing triangle bug when running vertex programs
1298<li>fixed a few HPUX compilation problems
1299<li>FX (Glide) driver didn't compile
1300<li>setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work
1301<li>a few EXT functions, like glGenTexturesEXT, were no-ops
1302<li>a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate,
1303	  glMultiDrawArrays and glMultiDrawElements were missing
1304<li>glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken
1305<li>Pentium 4 Mobile was mistakenly identified as having 3DNow!
1306<li>fixed one-bit error in point/line fragment Z calculation
1307<li>fixed potential segfault in fakeglx code
1308<li>fixed color overflow problem in DOT3 texture env mode
1309</ul>
1310
1311
1312<h2>5.0.1  March 30, 2003</h2>
1313New:
1314<ul>
1315<li>DOS driver updates from Daniel Borca
1316<li>updated GL/gl_mangle.h file (Bill Hoffman)
1317Bug fixes:
1318<li>auto mipmap generation for cube maps was broken (bug 641363)
1319<li>writing/clearing software alpha channels was unreliable
1320<li>minor compilation fixes for OS/2 (Evgeny Kotsuba)
1321<li>fixed some bad assertions found with shadowtex demo
1322<li>fixed error checking bug in glCopyTexSubImage2D (bug 659020)
1323<li>glRotate(angle, -x, 0, 0) was incorrect (bug 659677)
1324<li>fixed potential segfault in texture object validation (bug 659012)
1325<li>fixed some bogus code in _mesa_test_os_sse_exception_support (Linus)
1326<li>fix fog stride bug in tnl code for h/w drivers (Michel Danzer)
1327<li>fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080)
1328<li>glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3
1329<li>fixed compilation problem on Solaris7/x86 (bug 536406)
1330<li>fixed prefetch bug in 3DNow! code (Felix Kuhling)
1331<li>fixed NeXT build problem (FABSF macro)
1332<li>glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811)
1333<li>zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964)
1334<li>AA line and triangle Z values are now rounded, not truncated
1335<li>fixed color interpolation bug when GLchan==GLfloat (bug 694461)
1336<li>glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca)
1337<li>fixed a minor GL_COLOR_MATERIAL bug
1338<li>NV vertex program EXP instruction was broken
1339<li>glColorMask misbehaved with X window / pixmap rendering
1340<li>fix autoconf/libtool GLU C++ linker problem on Linux (a total hack)
1341<li>attempt to fix GGI compilation problem when MesaDemos not present
1342<li>NV vertex program ARL-relative fetches didn't work
1343</ul>
1344Changes:
1345<ul>
1346<li>use glPolygonOffset in gloss demo to avoid z-fighting artifacts
1347<li>updated winpos and pointblast demos to use ARB extensions
1348<li>disable SPARC normal transformation code (bug 673938)
1349<li>GLU fixes for OS/2 (Evgeny Kotsuba)
1350</ul>
1351
1352
1353<h2>5.0.2  September 5, 2003</h2>
1354Bug fixes:
1355<ul>
1356<li>fixed texgen problem causing texcoord's Q to be zero (stex3d)
1357<li>default GL_TEXTURE_COMPARE_MODE_ARB was wrong
1358<li>GL_CURRENT_MATRIX_NV query was wrong
1359<li>GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one
1360<li>GL_LIST_MODE query wasn't correct
1361<li>GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported
1362<li>GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value
1363<li>blended, wide lines didn't always work correctly (bug 711595)
1364<li>glVertexAttrib4svNV w component was always 1
1365<li>fixed bug in GL_IBM_rasterpos_clip (missing return)
1366<li>GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly
1367<li>a few Solaris compilation fixes
1368<li>fixed glClear() problem for DRI drivers (non-existant stencil, etc)
1369<li>fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux)
1370<li>fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz)
1371<li>glFog() didn't clamp fog colors
1372<li>fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the
1373	  gl[Get]TexParameteri[v] functions
1374<li>fixed invalid memory references in glTexGen functions (bug 781602)
1375<li>integer-valued color arrays weren't handled correctly
1376<li>glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work
1377<li>GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1
1378</ul>
1379Changes:
1380<ul>
1381<li>build GLUT with -fexceptions so C++ apps propogate exceptions
1382</ul>
1383
1384
1385<h2>5.1  December 17, 2003</h2>
1386New:
1387<ul>
1388<li>reorganized directory tree
1389<li>GL_ARB_vertex/fragment_program extensions (Michal Krol &amp; Karl Rasche)
1390<li>GL_ATI_texture_env_combine3 extension (Ian Romanick)
1391<li>GL_SGI_texture_color_table extension (Eric Plante)
1392<li>GL_NV_fragment_program extension
1393<li>GL_NV_light_max_exponent extension
1394<li>GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle)
1395<li>GL_ARB_occlusion_query extension
1396<li>GL_ARB_point_sprite extension
1397<li>GL_ARB_texture_non_power_of_two extension
1398<li>GL_IBM_multimode_draw_arrays extension
1399<li>GL_EXT_texture_mirror_clamp extension (Ian Romanick)
1400<li>GL_ARB_vertex_buffer_object extension
1401<li>new X86 feature detection code (Petr Sebor)
1402<li>less memory used for display lists and vertex buffers
1403<li>demo of per-pixel lighting with a fragment program (demos/fplight.c)
1404<li>new version (18) of glext.h header
1405<li>new spriteblast.c demo of GL_ARB_point_sprite
1406<li>faster glDrawPixels in X11 driver in some cases (see relnotes/5.1)
1407<li>faster glCopyPixels in X11 driver in some cases (see relnotes/5.1)
1408</ul>
1409Bug fixes:
1410<ul>
1411<li>really enable OpenGL 1.4 features in DOS driver.
1412<li>fixed issues in glDrawPixels and glCopyPixels for very wide images
1413<li>glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint
1414<li>fixed some texgen bugs reported by Daniel Borca
1415<li>fixed wglMakeCurrent(NULL, NULL) bug (#835861)
1416<li>fixed glTexSubImage3D z-offset bug (Cedric Gautier)
1417<li>fixed RGBA blend enable bug (Ville Syrjala)
1418<li>glAccum is supposed to be a no-op in selection/feedback mode
1419<li>fixed texgen bug #597589 (John Popplewell)
1420</ul>
1421Changes:
1422<ul>
1423<li>dropped API trace feature (src/Trace/)
1424<li>documentation overhaul.  merged with website content.  more html.
1425<li>glxgears.c demo updated to use GLX swap rate extensions
1426<li>glTexImage1/2/3D now allows width/height/depth = 0
1427<li>disable SPARC asm code on Linux (bug 852204)
1428</ul>
1429
1430
1431<h2>6.0  January 16, 2004</h2>
1432New:
1433<ul>
1434<li>full OpenGL 1.5 support
1435<li>updated GL/glext.h file to version 21
1436Changes:
1437<li>changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h)
1438Bug fixes:
1439<li>fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color
1440	  clamping issue
1441<li>updated suno5-gcc configs
1442<li>glColor3 functions sometimes resulted in undefined alpha values
1443<li>fixed FP divide by zero error seen on VMS with xlockmore, others
1444<li>fixed vertex/fragment program debug problem (bug 873011)
1445<li>building on AIX with gcc works now
1446<li>glDeleteProgramsARB failed for ARB fragment programs (bug 876160)
1447<li>glDrawRangeElements tried to modify potentially read-only storage
1448<li>updated files for building on Windows
1449</ul>
1450
1451
1452<h2>6.0.1  April 2, 2004</h2>
1453New:
1454<ul>
1455<li>upgraded glext.h to version 22
1456<li>new build targets (Dan Schikore)
1457<li>new linux-x86-opteron build target (Heath Feather)
1458</ul>
1459Bug fixes:
1460<ul>
1461<li>glBindProgramARB didn't update all necessary state
1462<li>fixed build problems on OpenBSD
1463<li>omit CVS directories from tarballs
1464<li>glGetTexImage(GL_COLOR_INDEX) was broken
1465<li>fixed an infinite loop in t&amp;l module
1466<li>silenced some valgrind warnings about using unitialized memory
1467<li>fixed some compilation/link glitches on IRIX (Mike Stephens)
1468<li>glBindProgram wasn't getting compiled into display lists
1469<li>GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079)
1470<li>two-sided lighting and vertex program didn't work (bug 887330)
1471<li>stores to program parameter registers in vertex state programs
1472	  didn't work.
1473<li>fixed glOrtho bug found with gcc 3.2.2 (RH9)
1474<li>glXCreateWindow() wasn't fully implemented (bug 890894)
1475<li>generic vertex attribute arrays didn't work in display lists
1476<li>vertex buffer objects' default usage and access fields were wrong
1477<li>glDrawArrays with start!=0 was broken
1478<li>fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken
1479<li>linux-osmesa16-static config didn't work
1480<li>fixed a few color index rendering problems (bug 910687)
1481<li>glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE
1482<li>OSMesa RGB and BGR modes were broken
1483<li>glProgramStringARB mistakenly required a null-terminated string
1484<li>fragment program XPD instruction was incorrect
1485<li>glGetMaterial() didn't work reliably
1486<li>ARB_fragment_program KIL instruction was incorrect
1487</ul>
1488
1489
1490<h2>6.1  August 18, 2004</h2>
1491New:
1492<ul>
1493<li>Revamped Makefile system
1494<li>glXUseRotatedXFont() utility (see xdemos/xuserotfont.c)
1495<li>internal driver interface changes related to texture object
1496	  allocation, vertex/fragment programs, BlendEquationSeparate, etc.
1497<li>option to walk triangle edges with double-precision floats
1498	  (Justin Novosad of Discreet) (see config.h file)
1499<li>support for AUX buffers in software GLX driver
1500<li>updated glext.h to version 24 and glxext.h to version 6
1501<li>new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars
1502<li>updated BeOS support (Philippe Houdoin)
1503</ul>
1504Changes:
1505<ul>
1506<li>fragment fog interpolation is perspective corrected now
1507<li>new glTexImage code, much cleaner, may be a bit faster
1508</ul>
1509Bug fixes:
1510<ul>
1511<li>glArrayElement in display lists didn't handle generic vertex attribs
1512<li>glFogCoord didn't always work properly
1513<li>ARB_fragment_program fog options didn't work
1514<li>frag prog TEX instruction no longer incorrectly divides s,t,r by q
1515<li>ARB frag prog TEX and TEXP instructions now use LOD=0
1516<li>glTexEnviv in display lists didn't work
1517<li>glRasterPos didn't do texgen or apply texture matrix
1518<li>GL_DOUBLE-valued vertex arrays were broken in some cases
1519<li>fixed texture rectangle edge/border sampling bugs
1520<li>sampling an incomplete texture in a fragment program would segfault
1521<li>glTexImage was missing a few error checks
1522<li>fixed some minor glGetTexParameter glitches
1523<li>GL_INTENSITY was mistakenly accepted as a &lt;format&gt; to glTexImage
1524<li>fragment program writes to RC/HC register were broken
1525<li>fixed a few glitches in GL_HP_occlusion_test extension
1526<li>glBeginQueryARB and glEndQueryARB didn't work inside display lists
1527<li>vertex program state references were broken
1528<li>fixed triangle color interpolation bug on AIX (Shane Blackett)
1529<li>fixed a number of minor memory leaks (bug #1002030)
1530</ul>
1531
1532
1533<h2>6.2  October 2, 2004</h2>
1534New:
1535<ul>
1536<li>enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle)
1537<li>updated Doxygen support (Jose Fonseca)
1538</ul>
1539Changes:
1540<ul>
1541<li>some GGI driver updates (Christoph Egger, bug 1025977)
1542</ul>
1543Bug fixes:
1544<ul>
1545<li>Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features
1546<li>fixed a few compilation issues on IRIX
1547<li>fixed a matrix classification bug (reported by Wes Bethel)
1548<li>we weren't reseting the vertex/fragment program error state
1549	  before parsing (Dave Reveman)
1550<li>adjust texcoords for sampling texture rectangles (Dave Reveman)
1551<li>glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented
1552<li>repeated calls to glDeleteTexture(t) could lead to a crash
1553<li>fixed potential ref count bugs in VBOs and vertex/fragment programs
1554<li>spriteblast demo didn't handle window size changes correctly
1555<li>glTexSubImage didn't handle pixels=NULL correctly for PBOs
1556<li>fixed color index mode glDrawPixels bug (Karl Schultz)
1557</ul>
1558
1559
1560<h2>6.2.1  December 9, 2004</h2>
1561Bug fixes:
1562<ul>
1563<li>don't apply regular fog or color sum when using a fragment program
1564<li>glProgramEnvParameter4fARB always generated an error on
1565	  GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645)
1566<li>glVertexAttrib3svNV and glVertexAttrib3svARB were broken
1567<li>fixed width/height mix-up in glSeparableFilter2D()
1568<li>fixed regression in glCopyPixels + convolution
1569<li>glReadPixels from a clipped front color buffer didn't always work
1570<li>glTexImage didn't accept GL_RED/GREEN/BLUE as the format
1571<li>Attempting queries/accesses of VBO 0 weren't detected as errors
1572<li>paletted textures failed if the palette had fewer than 256 entries
1573</ul>
1574Changes:
1575<ul>
1576<li>fixed a bunch of compiler warnings found with gcc 3.4
1577<li>bug reports should to go bugzilla.freedesktop.org
1578</ul>
1579
1580
1581<h2>6.3  July 20, 2005</h2>
1582New:
1583<ul>
1584<li>GL_EXT_framebuffer_object extension
1585<li>GL_ARB_draw_buffers extension
1586<li>GL_ARB_pixel_buffer_object extension
1587<li>GL_OES_read_format extension (Ian Romanick)
1588<li>DirectFB driver (Claudio Ciccani)
1589<li>x86_64 vertex transformation code (Mikko T.)
1590<li>Updated GL/glext.h to version 29
1591</ul>
1592Changes:
1593<ul>
1594<li>added -stereo option for glxgears demo (Jacek Rosik)
1595<li>updated the PBuffer demo code in xdemos/ directory
1596<li>glDeleteTextures/Programs/Buffers() now makes the object ID
1597	available for immediate re-use
1598<li>assorted 64-bit clean-ups fixes (x86_64 and Win64)
1599<li>lots of internal changes for GL_EXT_framebuffer_object
1600</ul>
1601Bug fixes:
1602<ul>
1603<li>some functions didn't support PBO functionality
1604<li>glGetTexImage didn't convert color index images to RGBA as required
1605<li>fragment program texcoords were sometimes wrong for points and lines
1606<li>fixed problem with negative dot product in arbfplight, fplight demos
1607<li>fixed bug in perspective correction of antialiased, textured lines
1608<li>querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value
1609<li>fixed a couple per-pixel fog bugs (Soju Matsumoto)
1610<li>glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken
1611<li>fixed float parsing bug in ARB frag/vert programs (bug 2520)
1612<li>XMesaGetDepthBuffer() returned incorrect value for bytesPerValue
1613<li>GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha
1614<li>glXChooseFBConfig() crashed if attribList pointer was NULL
1615<li>program state.light[n].spot.direction.w was wrong value (bug 3083)
1616<li>fragment program fog option required glEnable(GL_FOG) - wrong.
1617<li>glColorTable() could produce a Mesa implementation error (bug 3135)
1618<li>RasterPos could get corrupted by color index rendering path
1619<li>Removed bad XTranslateCoordinates call when rendering to Pixmaps
1620<li>glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state
1621<li>fixed a few Darwin compilation problems
1622</ul>
1623
1624
1625<h2>6.3.1</h2>
1626<p>
1627This was an intermediate release for X.org which wasn't otherwise released.)
1628</p>
1629
1630
1631<h2>6.3.2  August 19, 2005</h2>
1632New:
1633<ul>
1634<li>The distribution now includes the DRI drivers and GLX code
1635</ul>
1636Changes:
1637<ul>
1638<li>Made the DRI "new" driver interface standard, remove old code
1639</ul>
1640Bug fixes:
1641<ul>
1642<li>GL_ARB_vertex/fragment_shader were mistakenly listed in the
1643	  extensions string
1644<li>negative relative addressing in vertex programs was broken
1645<li>update/fix SPARC assembly code for vertex transformation
1646<li>fixed memory leak when freeing GLX drawables/renderbuffers
1647<li>fixed display list memory leak
1648<li>the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer
1649<li>wglGetProcAddress() didn't handle wgl-functions
1650<li>fixed glxext.h cross-compile issue (Colin Harrison)
1651<li>assorted DRI driver fixes
1652</ul>
1653
1654
1655<b>
1656NOTE: Changes for Mesa 6.4 and later are documented in the corresponding
1657<a href="relnotes.html">release notes</a> file.
1658</b>
1659
1660</div>
1661</body>
1662</html>
1663