added 3.1 beta 3 info
diff --git a/docs/VERSIONS b/docs/VERSIONS
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+$Id: VERSIONS,v 1.9 1999/07/20 00:28:57 brianp Exp $
+
+
+Mesa Version History
+====================
+
+1.0 beta February 1995
+ Initial release
+
+1.1 beta March 4, 1995
+ Changes:
+ faster point and line drawing (2x faster)
+ more systems supported, better Makefiles
+ Renamed lib*.a files to avoid collisions
+ many small bug fixes
+ New:
+ pseudo-GLX functions added
+ new implementation of evaluators (eval2.c)
+ GLUT support
+
+1.1.1 beta March 7, 1995
+ Changes:
+ Reverted from eval2.c to eval.c due to FPE on Linux
+ more speed improvements
+ more Makefile changes
+
+1.1.2 beta March 14, 1995
+ New:
+ implementation of SGI's blending extensions
+ glXUseXFont implemented
+ added MESA_DEBUG environment variable support
+ Changes:
+ Using eval2.c again
+ more FPE-prevention checks (0-length normals are OK)
+ a few small bug fixes
+ much faster pixel logic ops!
+ faster transformation arithmetic
+
+1.1.3 beta March 31, 1995
+ New:
+ gluScaleImage() and gluBuild2DMipMaps() implemented
+ Mesa widgets for Xt/Motif
+ blendEXT demos
+ added environment variables for selecting visuals
+ Changes:
+ almost all GLUT demos work correctly now
+ faster X device driver functions
+ more bug fixes
+
+1.1.4 beta April 20, 1995
+ Bug fixes:
+ - missing #define SEEK_SET in src-tk/image.c
+ - compile glShadeModel into display lists
+ - fixed pow() domain error in src/light.c
+ - fixed "flickering bitmaps" in double buffer mode
+ - fixed tk.h and aux.h for C++
+ - state of LIGHT_MODEL_LOCAL_VIEWER was inverted
+ New features:
+ - MUCH, MUCH nicer dithering in 8-bit RGB mode
+ - updated widgets and widget demos
+ - Implemented GLXPixmap functions
+ - Added GLU 1.1 and GLX 1.1 functions
+ - Changed the X/Mesa interface API, more versatile
+ - Implemented gluPartialDisk()
+
+1.2 May 22, 1995
+ Bug fixes:
+ - IRIX 4.x makefile problem
+ - modified tk to share root colormap as needed
+ - gluLookAt normalization problem
+ - suppress Expose, NoExpose events in swapbuffers
+ - glBitmap() and glDrawPixels() clipping
+ New features:
+ - GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture
+ modes implemented
+ - texture maps stored more efficiently
+ - texture maps can be compiled into display lists
+ - Bogdan Sikorski's GLU polygon tesselation code
+ - Linas Vepstas's sweep and extrusion library
+ - glXCreateContext()'s shareList parameter works as it's supposed to.
+ XMesaCreateContext() updated to accept a shareList parameter too.
+ - Mesa can be compiled with real OpenGL .h files
+ - MESA_BACK_BUFFER environment variable
+ - better GLX error checking
+
+1.2.1 June 22, 1995
+ Bug fixes:
+ - X/Mesa double buffer window resize crash
+ - widgets now pass PointerMotion events
+ - X/Mesa incorrect default clear color and drawing color
+ - more robust X MIT-SHM support in X/Mesa
+ - glTexImage( format=GL_LUMINANCE ) didn't work
+ - GL_LINE mode polygons with line width > 1.0 could cause a crash
+ - numerous feedback bugs
+ - glReadPixels() from depth buffer was wrong
+ - error prone depth and stencil buffer allocation
+ New features:
+ - Preliminary Microsoft Windows driver
+ - Implemented a number of missing functions: glEvalCoord[12][df]v(),
+ glGet...(), etc.
+ - Added a few missing symbols to gl.h and glu.h
+ - Faster rendering of smooth-shaded, RGBA, depth-buffered polygons.
+ - Faster rendering of lines when width=2.0
+ - Stencil-related functions now work in display lists
+ Changes:
+ - renamed aux.h as glaux.h (MS-DOS names can't start with aux)
+ - most filenames are in 8.3 format to accomodate MS-DOS
+ - use GLubytes to store arrays of colors instead of GLints
+
+1.2.2 August 2, 1995
+ New features:
+ - texture mapped points and lines
+ - NURBS! (but not 100% complete)
+ - viewports may safely extend beyond window boundaries
+ - MESA_PRIVATE_CMAP environment variable
+ - Grayscale X display support
+ - two new demos: demos/gears.c and demos/shadow.c
+ - MachTen for Macintosh configuration
+ Bug fixes:
+ - glGet*(GL_DEPTH_BITS) returned bytes, not bits
+ - point, line, and bitmap rasterization suffered from roundoff errors
+ - fixed a division by zero error in line clippping
+ - occasional wrong default background color really fixed!
+ - glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work
+ - gluBuild2DMipmaps malloc problem fixed
+ - view volume clipping of smooth shaded lines resulted in bad colors
+ Changes:
+ - new visual selection method in glXChooseVisual()
+ - improved GLU quadric functions
+ - call XSync for glFinish and XFlush for glFlush
+ - glVertex() calls now use a function pointer to avoid conditionals
+ - removed contrib directory from Mesa tar file (available on ftp site)
+ - AIX shared library support
+ - Removed GLUenum type as it's not in OpenGL
+
+1.2.3 September 26, 1995
+ New features:
+ - Mesa header files now equivalent to SGI OpenGL headers
+ - Support for HP's Color Recovery dithering displays
+ - Faster vertex transformation
+ - Faster raster operations into X windows under certain conditions
+ - New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General
+ - 4-bit visuals now supported
+ Bug fixes:
+ - glScissor bug fixed
+ - round-off errors in clipping lines against clip planes fixed
+ - byte swapping between hosts and display servers implemented
+ - glGetError() can be called without a current rendering context
+ - problem with accidentally culled polygons is fixed
+ - fixed some widget compilation problems
+
+1.2.4 November 17, 1995
+ New features:
+ - More speed improvements (lighting, fogging, polygon drawing)
+ - Window system and OS-independent off-screen rendering
+ - Preliminary Fortran bindings
+ - glPolygonOffsetEXT implemented
+ - glColorMask and glIndexMask now fully implemented
+ - glPixelZoom implemented
+ - display lists fully implemented
+ - gamma correction
+ - dithering in 8-bit TrueColor/DirectColor visuals
+ Changes:
+ - Improved device driver interface
+ - tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk
+ - Dithering support moved from core into device driver
+ Bug fixes:
+ - glEnable/Disable( GL_LIGHTING ) didn't always take effect
+ - glReadPixels byte swapping was broken
+ - glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken
+ - duplicate glColor4b() prototype in GL/gl.h removed
+ - stripes in wave -ci demo fixed
+ - GL_LINEAR_MIPMAP_NEAREST had wrong value
+ - bugs in HP Color Recovery support fixed
+ - fixed bug when blending lines, points, bitmaps outside of window
+
+1.2.5 November 30, 1995
+ New Features:
+ - updated MS Windows driver
+ - new implementation of StaticGray/GrayScale visual support
+ Bug fixes:
+ - pixelzooming with gamma correction or blending didn't work
+ - HP color recovery visual wasn't being picked by glXChooseVisual
+ - glClear didn't always observe glColorMask changes
+ - olympic and offset demos didn't compile on some Suns
+ - texcoord clamping wasn't correct
+ - a polygon optimization introduced an occasional sampling problem
+
+1.2.6 January 26, 1996
+ New Features:
+ - faster line and polygon rendering under certain conditions. See
+ Performance Tips 9 and 10 in README
+ - profiling
+ - lighting is a bit faster
+ - better perspective corrected texture mapping
+ - Amiga AmiWin (X11) support
+ - preliminary Linux SVGA driver
+ Changes:
+ - now using a 16-bit depth buffer, faster, smaller
+ - GL_NORMALIZE is disabled by default
+ Bug fixes:
+ - projective texture mapping
+ - fixed a memory leak in the context destroy function
+ - GL_POLYGON with less than 3 vertices caused a crash
+ - glGet*() returned wrong result for GL_INDEX_MODE
+ - reading pixels from an unmapped X window caused a BadMatch error
+
+1.2.7 March 5, 1996
+ New:
+ - faster lighting
+ - faster 16-bit TrueColor rendering on Linux
+ - faster 32-bit TrueColor rendering on Linux, HP, IBM
+ - non-depth-buffered XImage polygons are faster
+ - vertex array extension
+ - software alpha planes
+ - updated Macintosh driver
+ - new NeXT driver
+ - GLU quadric functions generate texture coordinates
+ - reflect.c demo - reflective, textured surface demo
+ Changes:
+ - gamma correction code moved into the X driver for better performance
+ Bug fixes:
+ - multiple glClipPlane()'s didn't work reliably
+ - glPolygonMode() didn't always work
+ - glCullFace( GL_FRONT_AND_BACK ) didn't work
+ - texture mapping with gamma correction was buggy
+ - floating point exceptions in texture coordinate interpolation
+ - XImage byte swapping didn't always work
+ - polygon edge flags weren't always used correctly
+
+1.2.8 May 22, 1996
+ New:
+ - overlay planes on X servers with the SERVER_OVERLAY_VISUALS property
+ - better monochrome output
+ - more IRIX 6.x configurations
+ - more robust RGB mode color allocation
+ - added MESA_XSYNC environment variable
+ - GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions
+ - GL_MESA_window_pos extension
+ - faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT
+ and GL_UNSIGNED_INT
+ - driver for prototype Cirrus Mondello 3-D board
+ - updated AmigaDOS driver
+ - a few small speed optimizations in polygon rendering
+ Changes:
+ - internal device driver interface modified to simplify device
+ driver implementations and to support hardware Z buffers
+ - several changes to the X/Mesa interface (xmesa.h)
+ Bug fixes:
+ - fixed pow(0,0) domain error triggered on some systems
+ - glStencilClear() in a display list caused an infinite loop
+ - glRasterPos*() was sometimes off by +/-0.5 in X and Y
+ - color masking and blending were performed in wrong order
+ - auxSolidCylinder() sometimes drew a wire-frame cylinder
+ - fixed file writing bug in osdemo.c
+ - pixel mapping didn't always work
+ - the GL_GEQUAL stencil func didn't work
+ - the GL_INVERT stencil op didn't work
+ - the stencil write mask didn't work
+ - glPush/PopAttrib() didn't do enough error checking
+ - glIsList() didn't always work correctly
+
+2.0 October 10, 1996
+ New:
+ - Implements OpenGL 1.1 API functions
+ - all texture filtering modes supported (mipmapping)
+ - faster texture mapping, see Performance Tip 11 in README
+ - antialiased RGB points
+ - X support for line and polygon stippling
+ - glDrawBuffer( GL_FRONT_AND_BACK ) works
+ - util/ directory of useful stuff
+ - demos/texobj demo of texture objects
+ Changes:
+ - major internal changes for thread-safeness
+ - new device driver interface
+ - MESA_ALPHA env variable removed
+ - triangle rasterizer replaces polygon rasterizer
+ Bug fixes:
+ - glPopAttrib() bug
+ - glDrawBuffer(GL_NONE) works now
+
+2.1 December 14, 1996
+ New:
+ - VMS support
+ - MS-DOS driver
+ - OpenStep support
+ - updated, combined Windows 95/NT driver
+ - implemented glGetLighti() and glGetTexGen*()
+ - GLX does garbage collection of ancillary buffers
+ Bug fixes:
+ - removed unused _EXT constants from gl.h
+ - fixed polygon offset bugs
+ - Z coordinates of clipped lines were incorrect
+ - glEdgeFlag() in display lists didn't always work
+ - glLight*() in display lists didn't work
+ - fixed X line stipple bugs (Michael Pichler)
+ - glXUseXfonts XFreeFont/XFreeFontInfo bug fixed
+ - fixed a feedback bug
+ - glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix
+ - polygons were sometimes culled instead of clipped
+ - triangle rasterizer suffered from float/int overflow exceptions
+ - fixed FP underflow exception in lighting (specular exponent)
+ - glEnable/glDisable of GL_EXT_vertex_array enums didn't work
+ - fixed free(NULL) in GLU tesselator code
+ - using 24-bit color on some X servers resulted in garbage rendering
+ - 32-bit per pixel mode for XFree86 now works
+ - glRotate(a,0,0,0) gave unpredictable results
+ - GL_LINE_STRIP with > 480 vertices had occasional clipping problems
+ - 8-bit TrueColor GLXPixmap rendering incorrectly required a colormap
+ - glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled
+ - glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right
+ - accumulation buffer was limited to positive values
+ - projective textures didn't work
+ - selection buffer overflows weren't handled correctly
+ Changes:
+ - restored the GL_EXT_polygon_offset extension
+ - slightly faster RGB dithering
+ - the SVGA driver works again
+ - Amiga driver now distributed separately
+ - NeXT driver updated for Mesa 2.x
+
+2.2 March 14, 1997
+ New:
+ - better color selection when dithering
+ - added GL_EXT_texture_object extension
+ - updated MS-DOS driver for DJGPP
+ - added openbsd make configuration
+ - faster dithered flat-shaded triangles
+ - various compilation problems with Motif widgets fixed
+ - gl.h, glx.h and glu.h name mangling option
+ - BeOS driver
+ - 3D texture mapping extension
+ - GL_MESA_resize_buffers extension
+ - morph3d, stex3d and spectex demos
+ - 3Dfx support
+ Bug fixes:
+ - glColorMaterial should finally work right in all respects
+ - linear interpolation of mipmap levels was incorrectly weighted
+ - readpix.c didn't compile on Macintosh
+ - GL_INVERT and related logic ops didn't work right
+ - glTexImage[12]D() didn't check its parameters consistantly
+ - fixed a memory leak in glTexImage[12]D()
+ - kludged around a SunOS 5.x/GCC compiler bug in the feedback code
+ - glReadPixels aborted instead of normally catching some errors
+ - a few 1.1 constants were missing or misnamed in gl.h
+ - glBegin(p); glBegin(q); didn't generate an error
+ - fixed a memory leak in GLX code
+ - clipping of concave polygons could cause a core dump
+ - 1-component alpha texture maps didn't work
+ - fixed a GLU polygon tesselator bug
+ - polygons with colinear vertices were sometimes culled
+ - feedback triangle colors were wrong when using smooth shading
+ - textures with borders didn't work correctly
+ - colors returned in feedback mode were wrong when using lighting
+ - spotlights didn't effect ambient lighting correctly
+ - gluPartialDisk() had a few bugs
+ Changes:
+ - device driver interface expanded to support texture mapping
+ - faster matrix inversion subroutine
+ - commented out #include "wmesa_extend.h" from src/wmesa.c
+ - fixed many compiler warnings in the demo programs
+
+2.3 June 30, 1997
+ New:
+ - Mesa distribution divided into two pieces: library code and demos
+ - faster vertex transformation, clip testing, lighting
+ - faster line drawing
+ - TrueColor visuals how have dithering (for depths < 24 bits)
+ - added MESA_NO_DITHER environment variable
+ - new device driver function: NearFar(), RenderVB(), RasterSetup()
+ - added LynxOS configuration
+ - added cygnus Win32 configuration
+ - added texcyl.c GLUT demo
+ - added XMesaDitherColor() to X/Mesa interface
+ - new NURBS code from Bogdan Sikorski
+ - added demos/shape.c (non-rectangular X window!)
+ Bug fixes:
+ - glEnable/DisableClientState() were missing from GL/gl.h
+ - GL_SPHERE_MAP texcoord generation didn't work correctly
+ - glXGetConfig() returned wrong number of depth, stencil, accum bits
+ - glDrawPixels feedback/selection didn't examine RasterPos valid bit
+ - black and white were reversed on some monochrome displays
+ - fixed potential image memory leak (wasn't setting reference counter)
+ - glDrawPixels sometimes didn't recognize some GL state changes
+ - gluProject/UnProject() didn't check for divide by zero
+ - stex3d demo called random() and srandom(), not portable
+ - fixed memory leaks in context.c and drawpix.c
+ - fixed NULL dereferencing problem in gl_update_texture_state()
+ - glReadPixels between glBegin/glEnd didn't generate an error.
+ - fixed memory leak in polygon tesselator (Randy Frank)
+ - fixed seg fault bug drawing flat-shaded, depth-tested lines
+ - clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded
+ - glBindTexture sometimes didn't work
+ - fixed a bug deep in glXReleaseBuffersMESA()
+ - fog was mistakenly applied to alpha
+ - glPopMatrix didn't set "dirty matrix" flag
+ - glPolygonStipple pattern was sometimes wrong
+ - glClear wasn't disabled during feedback and selection
+ - fixed memory leak in glTexSubImage[123]D
+ Changes:
+ - many library source files reorganized
+ - faster X color allocation, colors also freed when finished with them
+ - new texture sampling function pointer in texture objects
+ - incorporated 3Dfx VooDoo driver v0.16 into main source tree
+ - many 3Dfx driver updates
+ - cygnus Makefiles now included
+ - updated DOS driver
+ - made a few changes to dosmesa.c and wmesa.c (VB->Unclipped)
+ - internally, colors now stored in GLubytes, not GLfixed
+ - optimized changing of GL_SHININESS parameter
+
+2.4 September 18, 1997
+ New:
+ - updated 3Dfx Glide driver
+ - hacks for 3Dfx rendering into an X window or fullscreen
+ - added depth buffer access functions to X/Mesa and OS/Mesa interfaces
+ Bug fixes:
+ - pixel buffer could overflow with long, wide lines
+ - fixed FP underflow problems in lighting
+ - glTexSubImage1D() had an unitialized variable
+ - incomplete texture objects could cause a segfault
+ - glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop
+ - flat-shaded quads in a strip were miscolored if clipped
+ - mipmapped triangle lod computation now works correctly
+ - fixed a few under/overflow bugs in triangle rasterizer
+ - glArrayElement() assigned bad normal if normal array disabled
+ - changed argument to glXReleaseBuffersMESA()
+ - fixed small triangle underflow bugs in tritemp.h (hopefully)
+ - glBindTexture(target, 0) caused a crash
+ - glTexImage[123]D() with NULL image pointer caused crash
+ - glPixelStore parameters are now ignored during display list execution
+ - fixed a two-sided lighting w/ clipping bug (black vertices)
+ - textures with width!=height were sometimes mis-rendered
+ - "weird" projection matrices could cause div by 0, other fp errors
+ Changes:
+ - changed precompiled header symbol from PCH to PC_HEADER
+ - split api.c into api1.c and api2.c
+ - added hash.c source file (but not used yet)
+ - a few Sun and HP configuration file changes
+ - MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN
+ - fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c)
+
+2.5 November 20, 1997
+ New:
+ - updated 3Dfx driver (v20) for GLQuake
+ - added GL_EXT_paletted_texture extension
+ - added GL_EXT_shared_texture_palette extension
+ - added GL_EXT_point_parameters extension
+ - now including Mark Kilgard's GLUT library v3.6
+ - new GLUT-based demos in gdemos/
+ - added a few more Unix config targets
+ - added Intel X86 assembly language vertex transformation code
+ - 3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var
+ - Windows 95 S3 Virge driver
+ Bug fixes:
+ - glCopyTexImage?D would crash due to uninitialized variable
+ - glColor w/ glColorMaterial in a display list caused a bug
+ - fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver
+ - glVertex4*() vertices weren't always projected correctly
+ - trying to use mipmapped textured points or lines caused crash
+ - glColor[34][fd]() values now clamped to [0,1] before int conversion
+ Changes:
+ - new device driver functions for texture mapping
+ - hash tables used for display list and texture object lookup
+ - fixed GLX visual handling code to avoid saving redundant visuals
+ - 3Dfx Glide libraries automatically linked to libMesaGL.so
+ - dropped the Cirrus Logic Mondello code since it's obsolete
+ - updated Cygnus Makefiles (Stephane Rehel)
+ - updated Windows MSVC++ Makefiles (Oleg Letsinsky)
+ - procedure for making library files has changed: scripts now take
+ a major and minor version arguments. Make-config changed a lot.
+ - new implementation of glTexSubImage2D()
+ - updated widgets-mesa directory to create libMesaGLwM.a (Motif widget)
+ - separate linux-glide and linux-386-glide configurations
+
+2.6 February 12, 1998
+ New:
+ - Windows WGL functions
+ - updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support
+ - v0.22 of 3Dfx Glide driver
+ - more X86 assembly language optimizations
+ - faster blending for some modes
+ - XMesaSetFXmode() to switch between 3Dfx window and full-screen mode
+ - added preliminary thread support
+ - added GLX_MESA_copy_sub_buffer extension
+ - some clipping optimizations
+ Bug fixes:
+ - fixed shading/material bug when drawing long primitive strips
+ - fixed clipping problem in long primitive strips
+ - fixed clipping bug when using 3Dfx driver
+ - fixed a problem when trying to use X fonts w/ 3Dfx driver
+ - fixed a texture filter bug in 3Dfx/Glide driver
+ - fixed bug in 3Dfx/Glide driver involving depth mask & clearing
+ - glLoadMatrix to set projection matrix confused the 3Dfx driver
+ - non-identity texture matrices didn't work with linux-386 configs
+ - glGenTextures() didn't reserve the returned texture IDs
+ - NULL proxy image sent to glTexImageXD() caused crash
+ - added texture state validation optimization (Henk Kok)
+ - fixed colormap reuse problem when using both RGB and CI windows
+ - 32bpp True/DirectColor X visuals weren't recognized
+ - fixed potential problem in evaluators memory allocation
+ - fixed assorted demo compilation bugs
+ Changes:
+ - replaced old Mesa/windows/ directory with Mesa/WIN32/ directory
+ - converted a few old glaux/gltk demos to GLUT
+ - renamed directories: demos -> xdemos, gdemos -> demos
+
+
+3.0 September 17, 1998
+ New:
+ - OpenGL 1.2 API
+ - GL_EXT_abgr pixel format extension
+ - GL_SGIS_texture_edge_clamp extension
+ - GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex)
+ - GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex)
+ - GL_EXT_rescale_normal extension and renormal.c demo
+ - GLX_SGI_video_sync extension (a no-op)
+ - antialiased lines
+ - glGetTexImage() now implemented
+ - glDraw/Copy/ReadPixels() optimizations
+ - optimized textured triangle code (Marten Stromberg)
+ - more optimization of dithered TrueColor triangles in X driver
+ - Linux GGI driver
+ - updated MGL driver
+ Bug fixes:
+ - lots of assorted compilation fixes
+ - glInitNames didn't write initial hit record
+ - glBitmap didn't always check for invalid raster position
+ - switching between GLX and OSMesa contexts caused a crash
+ - fixed uninitialized variable in Mesa widget code
+ - fixed typo in texture code which caused book/texgen to crash
+ - fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP
+ - gluDisk() in POINT or LINE mode sometimes failed
+ - fixed texture + fog bug
+ - GL_COMPILE_AND_EXECUTE mode didn't work reliably
+ - glMultMatrix in projection matrix mode w/ 3Dfx driver could fail
+ - glDrawPixels(color index pixels) weren't converted to RGBA
+ - fixed possible getenv() buffer overflow security bug
+ - glBitmap in feedback mode was offset by xOrig, yOrig params
+ - device driver's DrawPixels hook was never used
+ - glDrawPixels with zoomY!=1 and top/bottom clipping didn't work
+ - glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte
+ - fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c
+ - glCopyTexSubImage2D() didn't work with 3Dfx driver
+ - lines with width = 2 could cause crash
+ - glClear with scissor rect sometimes cleared whole buffer
+ - glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work
+ - glTexImageXD( .. GL_ABGR_EXT .. ) didn't work
+ - computation of inverse modelview matrix sometimes failed
+ - fixed GL_CLAMP mode texture sampling bug
+ - textured line interpolation was somewhat broken
+ - textured triangle interpolation was also somewhat broken
+ - glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one
+ - evaluator state wasn't fully initialized
+ - texture coordinate clipping was buggy
+ - evaluator surfaces could be mis-colored
+ - glAccum(GL_RETURN, s) didn't obey glColorMask() settings
+ - zero area polygons shouldn't be culled if polygon mode is point/line
+ - clipped width and height of glReadPixels was sometimes off by one
+ - blending with alpha = 0 or 1.0 wasn't always exact
+ - reading of pixels from clipped region was buggy
+ - minor tweaking of X visual management in GLX emulator
+ - glPolygonStipple now obeys pixel unpacking parameters
+ - glGetPolygonStipple now obeys pixel packing parameters
+ - interleaved vertex array texture coordinates were broken
+ - query of proxy texture internal format was broken
+ - alpha channel wasn't reliably cleared
+ - fixed divide by zero error in gluScaleImage if dest size = 1 x 1
+ Conformance bug fixes:
+ - GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing
+ - GL_TEXTURE_INTERNAL_FORMAT was missing
+ - glGet*(GL_POLYGON_STIPPLE) was broken
+ - glPush/PopAttrib() didn't save/restore all texture state
+ - glBitmap in feedback mode didn't work
+ - feedback of texture coords didn't always work
+ - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke
+ - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke
+ - glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke
+ Changes:
+ - upgraded GLUT to version 3.7
+ - only GL and GLU library code included in MesaLib.tar.gz
+ - GLUT and all demos now in MesaDemos.tar.gz
+ - glaux and gltk libraries removed
+ - IRIX -n32 and -64 libs go in lib32/ and lib64/ directories
+
+
+3.1 beta 1 November 19, 1998
+ New:
+ - GL_EXT_stencil_wrap extension
+ - GL_INGR_blend_func_separate extension
+ - GL_ARB_multitexture extension
+ - GL_NV_texgen_reflection extension
+ - newly optimized vertex transformation code
+ - updated GLUT 3.7 code
+ - better precision when using 32-bit Z buffer
+ - Allegro DJGPP driver
+ Bug fixes:
+ - glCopyPixels between front/back buffers didn't copy alpha correctly
+ - fixed out-of-bounds memory access in optimized 2-D texture code
+ - glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter
+ - glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter
+ - clipping of texture coordinates sometimes had bad R,Q values
+ - GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels
+ - glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean *
+ - texture was sometimes applied twice with 3Dfx driver
+ - glPush/PopAttrib() fouled up texture object reference counts
+ - glDeleteLists(0, n) caused assertion failure
+ - bilinear texture sampling wasn't accurate enough
+ - glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx
+ - color components were reversed on big endian 32 bpp X visuals
+ Changes:
+ - removed GL_EXT_multitexture extension
+
+
+3.1 beta 2 May 24, 1999
+ New:
+ - multi-textured points and lines (mjk@nvidia.com)
+ - optimized 24bpp X rendering (bernd.paysan@gmx.de)
+ - added allegro support (bernie-t@geocities.com)
+ - cleaned-up Windows-related stuff (Ted Jump)
+ - minor stereo changes (KendallB@scitechsoft.com)
+ - new BeOS driver which implements BGLView class
+ - new Direct3D driver (see src/D3D)
+ - more efficient filled gluCylinder() function
+ - utilities: util/showbuffer.[ch] and util/glstate.[ch]
+ - fixed some IRIX compiler warnings
+ - added support for building Mesa in XFree86 with
+ SGI's GLX (kevin@precisioninsight.com)
+ Bug fixes:
+ - a variety of Windows/Mesa bug fixes (mjk@nvidia.com)
+ - packed pixel images weren't unpacked correctly
+ - patches some win32 files in GLUT (mjk@nvidia.com)
+ - glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX
+ - fixed lighting bug in Keith's new shading code
+ - fixed texture segfault seen in Lament screensaver
+ - fixed miscellaneous low-memory bugs
+ - glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken
+ - GL_LINEAR sampling of 3D textures was broken
+ - fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org)
+ - added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk)
+ - fixed wide point and wide line conformance bugs (brianp)
+ Changes:
+ - some device driver changes (see src/dd.h)
+ - new copyright on core Mesa code
+
+
+3.1 beta 3 July ??, 1999
+ Bug Fixes:
+ - glGetTexLevelParameter wasn't fully implemented
+ - glXUseXFont now handles multi-byte fonts
+ Changes:
+ - New library names: libGL.so and libGLU.so
+ - New subdirectories: docs/ and bin/