$Id: VERSIONS,v 1.13.2.24 2000/03/23 00:12:41 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 September 17, 1999 New: - optimized glAccum function - optimized 24bpp rendering in XMesa driver - GLU 1.2 polygon tessellator Bug Fixes: - glGetTexLevelParameter wasn't fully implemented - glXUseXFont now handles multi-byte fonts - glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result - alpha channel of blending points, lines was sometimes incorrect Changes: - New library names: "libGL" instead of "libMesaGL" - New library numbering: libGL.so.1.2.310 - New subdirectories: docs/ and bin/ - New Makefile-system (autoconf,automake,libtool) 3.1 final December 14, 1999 New: - added demos/gloss.c - added xdemos/glxdpyinfo.c - added GLX_ARB_get_proc_address extension Bug fixes: - several vertex array bug fixes - overlapping glCopyPixels with pixel zooming now works - glXUseXFont() bitmaps were vertically shifted by one pixel 3.2 beta 1 March 23, 2000 Bug fixes: - mixed drawing of lines and bitmaps sometimes had wrong colors - added missing glHintPGI() function - fixed a polygon culling bug - fixed bugs in gluPartialDisk() - Z values in selection mode were wrong - added missing tokens: GL_SMOOTH_POINT_SIZE_RANGE GL_SMOOTH_POINT_SIZE_GRANULARITY GL_SMOOTH_LINE_WIDTH_RANGE GL_SMOOTH_LINE_WIDTH_GRANULARITY GL_ALIASED_POINT_SIZE_RANGE GL_ALIASED_LINE_WIDTH_RANGE - fixed glCopyPixels when copying from back to front buffer - GL_EXT_compiled_vertex_array tokens had _SGI suffix instead of _EXT - glDrawRangeElements(GL_LINES, 0, 1, 2, type, indices) was broken - glDeleteTextures() didn't decrement reference count correctly - GL_SRCA_ALPHA_SATURATE blend mode didn't work correctly - Actual depth of transformation matrix stacks was off by one - 24bpp visuals didn't address pixels correctly - mipmap level of detail (lambda) calculation simplified, more accurate - 101691 - Polygon clipping and GL_LINE - 101928 - Polygon clipping and GL_LINE (same fix as above) - 101808 - Non-glVertexArrays tristrip bug - 101971 - find_last_3f on Dec OSF (worked around) - 102369 - segv on dec osf (possibly a duplicate of the above) - 102893 - orientations of modelview cause segfault New: - updated SVGA Linux driver - added the MESA_FX_NO_SIGNALS env var, see docs/README.3DFX - build libGLw.a (Xt/OpenGL drawing area widget) library by default - changed -O2 to -O3 for a number of gcc configs Changes: - glXCopyContext's mask parameter is now unsigned long, per GLX spec