<HTML> <TITLE>Mesa Version History</TITLE> <head><link rel="stylesheet" type="text/css" href="mesa.css"></head> <BODY> <body bgcolor="#eeeeee"> <B> NOTE: Changes for Mesa 6.4 and later are documented in the corresponding <a href="relnotes.html">release notes</a> file. </B> <H1>Mesa Version History</H1> <H2>1.0 beta February 1995</H2> <ul> <li>Initial release </ul> <H2>1.1 beta March 4, 1995</H2> Changes: <ul> <li>faster point and line drawing (2x faster) <li>more systems supported, better Makefiles <li>Renamed lib*.a files to avoid collisions <li>many small bug fixes </ul> New: <ul> <li>pseudo-GLX functions added <li>new implementation of evaluators (eval2.c) <li>GLUT support </ul> <H2>1.1.1 beta March 7, 1995</H2> Changes: <ul> <li>Reverted from eval2.c to eval.c due to FPE on Linux <li>more speed improvements <li>more Makefile changes </ul> <H2>1.1.2 beta March 14, 1995</H2> New: <ul> <li>implementation of SGI's blending extensions <li>glXUseXFont implemented <li>added MESA_DEBUG environment variable support </ul> Changes: <ul> <li>Using eval2.c again <li>more FPE-prevention checks (0-length normals are OK) <li>a few small bug fixes <li>much faster pixel logic ops! <li>faster transformation arithmetic </ul> <H2>1.1.3 beta March 31, 1995</H2> New: <ul> <li>gluScaleImage() and gluBuild2DMipMaps() implemented <li>Mesa widgets for Xt/Motif <li>blendEXT demos <li>added environment variables for selecting visuals </ul> Changes: <ul> <li>almost all GLUT demos work correctly now <li>faster X device driver functions <li>more bug fixes </ul> <H2>1.1.4 beta April 20, 1995</H2> Bug fixes: <ul> <li>missing #define SEEK_SET in src-tk/image.c <li>compile glShadeModel into display lists <li>fixed pow() domain error in src/light.c <li>fixed "flickering bitmaps" in double buffer mode <li>fixed tk.h and aux.h for C++ <li>state of LIGHT_MODEL_LOCAL_VIEWER was inverted </ul> New features: <ul> <li>MUCH, MUCH nicer dithering in 8-bit RGB mode <li>updated widgets and widget demos <li>Implemented GLXPixmap functions <li>Added GLU 1.1 and GLX 1.1 functions <li>Changed the X/Mesa interface API, more versatile <li>Implemented gluPartialDisk() </ul> <H2>1.2 May 22, 1995</H2> Bug fixes: <ul> <li>IRIX 4.x makefile problem <li>modified tk to share root colormap as needed <li>gluLookAt normalization problem <li>suppress Expose, NoExpose events in swapbuffers <li>glBitmap() and glDrawPixels() clipping </ul> New features: <ul> <li>GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture modes implemented <li>texture maps stored more efficiently <li>texture maps can be compiled into display lists <li>Bogdan Sikorski's GLU polygon tesselation code <li>Linas Vepstas's sweep and extrusion library <li>glXCreateContext()'s shareList parameter works as it's supposed to. XMesaCreateContext() updated to accept a shareList parameter too. <li>Mesa can be compiled with real OpenGL .h files <li>MESA_BACK_BUFFER environment variable <li>better GLX error checking </ul> <h2>1.2.1 June 22, 1995</h2> Bug fixes: <ul> <li>X/Mesa double buffer window resize crash <li>widgets now pass PointerMotion events <li>X/Mesa incorrect default clear color and drawing color <li>more robust X MIT-SHM support in X/Mesa <li>glTexImage( format=GL_LUMINANCE ) didn't work <li>GL_LINE mode polygons with line width > 1.0 could cause a crash <li>numerous feedback bugs <li>glReadPixels() from depth buffer was wrong <li>error prone depth and stencil buffer allocation New features: <li>Preliminary Microsoft Windows driver <li>Implemented a number of missing functions: glEvalCoord[12][df]v(), glGet...(), etc. <li>Added a few missing symbols to gl.h and glu.h <li>Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. <li>Faster rendering of lines when width=2.0 <li>Stencil-related functions now work in display lists </ul> Changes: <ul> <li>renamed aux.h as glaux.h (MS-DOS names can't start with aux) <li>most filenames are in 8.3 format to accomodate MS-DOS <li>use GLubytes to store arrays of colors instead of GLints </ul> <h2>1.2.2 August 2, 1995</h2> New features: <ul> <li>texture mapped points and lines <li>NURBS! (but not 100% complete) <li>viewports may safely extend beyond window boundaries <li>MESA_PRIVATE_CMAP environment variable <li>Grayscale X display support <li>two new demos: demos/gears.c and demos/shadow.c <li>MachTen for Macintosh configuration </ul> Bug fixes: <ul> <li>glGet*(GL_DEPTH_BITS) returned bytes, not bits <li>point, line, and bitmap rasterization suffered from roundoff errors <li>fixed a division by zero error in line clippping <li>occasional wrong default background color really fixed! <li>glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work <li>gluBuild2DMipmaps malloc problem fixed <li>view volume clipping of smooth shaded lines resulted in bad colors </ul> Changes: <ul> <li>new visual selection method in glXChooseVisual() <li>improved GLU quadric functions <li>call XSync for glFinish and XFlush for glFlush <li>glVertex() calls now use a function pointer to avoid conditionals <li>removed contrib directory from Mesa tar file (available on ftp site) <li>AIX shared library support <li>Removed GLUenum type as it's not in OpenGL </ul> <h2>1.2.3 September 26, 1995</h2> New features: <ul> <li>Mesa header files now equivalent to SGI OpenGL headers <li>Support for HP's Color Recovery dithering displays <li>Faster vertex transformation <li>Faster raster operations into X windows under certain conditions <li>New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General <li>4-bit visuals now supported </ul> Bug fixes: <ul> <li>glScissor bug fixed <li>round-off errors in clipping lines against clip planes fixed <li>byte swapping between hosts and display servers implemented <li>glGetError() can be called without a current rendering context <li>problem with accidentally culled polygons is fixed <li>fixed some widget compilation problems </ul> <h2>1.2.4 November 17, 1995</h2> New features: <ul> <li>More speed improvements (lighting, fogging, polygon drawing) <li>Window system and OS-independent off-screen rendering <li>Preliminary Fortran bindings <li>glPolygonOffsetEXT implemented <li>glColorMask and glIndexMask now fully implemented <li>glPixelZoom implemented <li>display lists fully implemented <li>gamma correction <li>dithering in 8-bit TrueColor/DirectColor visuals </ul> Changes: <ul> <li>Improved device driver interface <li>tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk <li>Dithering support moved from core into device driver </ul> Bug fixes: <ul> <li>glEnable/Disable( GL_LIGHTING ) didn't always take effect <li>glReadPixels byte swapping was broken <li>glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken <li>duplicate glColor4b() prototype in GL/gl.h removed <li>stripes in wave -ci demo fixed <li>GL_LINEAR_MIPMAP_NEAREST had wrong value <li>bugs in HP Color Recovery support fixed <li>fixed bug when blending lines, points, bitmaps outside of window </ul> <h2>1.2.5 November 30, 1995</h2> New Features: <ul> <li>updated MS Windows driver <li>new implementation of StaticGray/GrayScale visual support </ul> Bug fixes: <ul> <li>pixelzooming with gamma correction or blending didn't work <li>HP color recovery visual wasn't being picked by glXChooseVisual <li>glClear didn't always observe glColorMask changes <li>olympic and offset demos didn't compile on some Suns <li>texcoord clamping wasn't correct <li>a polygon optimization introduced an occasional sampling problem </ul> <h2>1.2.6 January 26, 1996</h2> New Features: <ul> <li>faster line and polygon rendering under certain conditions. See Performance Tips 9 and 10 in README <li>profiling <li>lighting is a bit faster <li>better perspective corrected texture mapping <li>Amiga AmiWin (X11) support <li>preliminary Linux SVGA driver Changes: <li>now using a 16-bit depth buffer, faster, smaller <li>GL_NORMALIZE is disabled by default </ul> Bug fixes: <ul> <li>projective texture mapping <li>fixed a memory leak in the context destroy function <li>GL_POLYGON with less than 3 vertices caused a crash <li>glGet*() returned wrong result for GL_INDEX_MODE <li>reading pixels from an unmapped X window caused a BadMatch error </ul> <h2>1.2.7 March 5, 1996</h2> New: <ul> <li>faster lighting <li>faster 16-bit TrueColor rendering on Linux <li>faster 32-bit TrueColor rendering on Linux, HP, IBM <li>non-depth-buffered XImage polygons are faster <li>vertex array extension <li>software alpha planes <li>updated Macintosh driver <li>new NeXT driver <li>GLU quadric functions generate texture coordinates <li>reflect.c demo - reflective, textured surface demo </ul> Changes: <ul> <li>gamma correction code moved into the X driver for better performance </ul> Bug fixes: <ul> <li>multiple glClipPlane()'s didn't work reliably <li>glPolygonMode() didn't always work <li>glCullFace( GL_FRONT_AND_BACK ) didn't work <li>texture mapping with gamma correction was buggy <li>floating point exceptions in texture coordinate interpolation <li>XImage byte swapping didn't always work <li>polygon edge flags weren't always used correctly </ul> <h2>1.2.8 May 22, 1996</h2> New: <ul> <li>overlay planes on X servers with the SERVER_OVERLAY_VISUALS property <li>better monochrome output <li>more IRIX 6.x configurations <li>more robust RGB mode color allocation <li>added MESA_XSYNC environment variable <li>GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions <li>GL_MESA_window_pos extension <li>faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT and GL_UNSIGNED_INT <li>driver for prototype Cirrus Mondello 3-D board <li>updated AmigaDOS driver <li>a few small speed optimizations in polygon rendering </ul> Changes: <ul> <li>internal device driver interface modified to simplify device driver implementations and to support hardware Z buffers <li>several changes to the X/Mesa interface (xmesa.h) </ul> Bug fixes: <ul> <li>fixed pow(0,0) domain error triggered on some systems <li>glStencilClear() in a display list caused an infinite loop <li>glRasterPos*() was sometimes off by +/-0.5 in X and Y <li>color masking and blending were performed in wrong order <li>auxSolidCylinder() sometimes drew a wire-frame cylinder <li>fixed file writing bug in osdemo.c <li>pixel mapping didn't always work <li>the GL_GEQUAL stencil func didn't work <li>the GL_INVERT stencil op didn't work <li>the stencil write mask didn't work <li>glPush/PopAttrib() didn't do enough error checking <li>glIsList() didn't always work correctly </ul> <h2>2.0 October 10, 1996</h2> New: <ul> <li>Implements OpenGL 1.1 API functions <li>all texture filtering modes supported (mipmapping) <li>faster texture mapping, see Performance Tip 11 in README <li>antialiased RGB points <li>X support for line and polygon stippling <li>glDrawBuffer( GL_FRONT_AND_BACK ) works <li>util/ directory of useful stuff <li>demos/texobj demo of texture objects </ul> Changes: <ul> <li>major internal changes for thread-safeness <li>new device driver interface <li>MESA_ALPHA env variable removed <li>triangle rasterizer replaces polygon rasterizer </ul> Bug fixes: <ul> <li>glPopAttrib() bug <li>glDrawBuffer(GL_NONE) works now </ul> <h2>2.1 December 14, 1996</h2> New: <ul> <li>VMS support <li>MS-DOS driver <li>OpenStep support <li>updated, combined Windows 95/NT driver <li>implemented glGetLighti() and glGetTexGen*() <li>GLX does garbage collection of ancillary buffers </ul> Bug fixes: <ul> <li>removed unused _EXT constants from gl.h <li>fixed polygon offset bugs <li>Z coordinates of clipped lines were incorrect <li>glEdgeFlag() in display lists didn't always work <li>glLight*() in display lists didn't work <li>fixed X line stipple bugs (Michael Pichler) <li>glXUseXfonts XFreeFont/XFreeFontInfo bug fixed <li>fixed a feedback bug <li>glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix <li>polygons were sometimes culled instead of clipped <li>triangle rasterizer suffered from float/int overflow exceptions <li>fixed FP underflow exception in lighting (specular exponent) <li>glEnable/glDisable of GL_EXT_vertex_array enums didn't work <li>fixed free(NULL) in GLU tesselator code <li>using 24-bit color on some X servers resulted in garbage rendering <li>32-bit per pixel mode for XFree86 now works <li>glRotate(a,0,0,0) gave unpredictable results <li>GL_LINE_STRIP with > 480 vertices had occasional clipping problems <li>8-bit TrueColor GLXPixmap rendering incorrectly required a colormap <li>glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled <li>glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right <li>accumulation buffer was limited to positive values <li>projective textures didn't work <li>selection buffer overflows weren't handled correctly </ul> Changes: <ul> <li>restored the GL_EXT_polygon_offset extension <li>slightly faster RGB dithering <li>the SVGA driver works again <li>Amiga driver now distributed separately <li>NeXT driver updated for Mesa 2.x </ul> <h2>2.2 March 14, 1997</h2> New: <ul> <li>better color selection when dithering <li>added GL_EXT_texture_object extension <li>updated MS-DOS driver for DJGPP <li>added openbsd make configuration <li>faster dithered flat-shaded triangles <li>various compilation problems with Motif widgets fixed <li>gl.h, glx.h and glu.h name mangling option <li>BeOS driver <li>3D texture mapping extension <li>GL_MESA_resize_buffers extension <li>morph3d, stex3d and spectex demos <li>3Dfx support </ul> Bug fixes: <ul> <li>glColorMaterial should finally work right in all respects <li>linear interpolation of mipmap levels was incorrectly weighted <li>readpix.c didn't compile on Macintosh <li>GL_INVERT and related logic ops didn't work right <li>glTexImage[12]D() didn't check its parameters consistantly <li>fixed a memory leak in glTexImage[12]D() <li>kludged around a SunOS 5.x/GCC compiler bug in the feedback code <li>glReadPixels aborted instead of normally catching some errors <li>a few 1.1 constants were missing or misnamed in gl.h <li>glBegin(p); glBegin(q); didn't generate an error <li>fixed a memory leak in GLX code <li>clipping of concave polygons could cause a core dump <li>1-component alpha texture maps didn't work <li>fixed a GLU polygon tesselator bug <li>polygons with colinear vertices were sometimes culled <li>feedback triangle colors were wrong when using smooth shading <li>textures with borders didn't work correctly <li>colors returned in feedback mode were wrong when using lighting <li>spotlights didn't effect ambient lighting correctly <li>gluPartialDisk() had a few bugs </ul> Changes: <ul> <li>device driver interface expanded to support texture mapping <li>faster matrix inversion subroutine <li>commented out #include "wmesa_extend.h" from src/wmesa.c <li>fixed many compiler warnings in the demo programs </ul> <h2>2.3 June 30, 1997</h2> New: <ul> <li>Mesa distribution divided into two pieces: library code and demos <li>faster vertex transformation, clip testing, lighting <li>faster line drawing <li>TrueColor visuals how have dithering (for depths < 24 bits) <li>added MESA_NO_DITHER environment variable <li>new device driver function: NearFar(), RenderVB(), RasterSetup() <li>added LynxOS configuration <li>added cygnus Win32 configuration <li>added texcyl.c GLUT demo <li>added XMesaDitherColor() to X/Mesa interface <li>new NURBS code from Bogdan Sikorski <li>added demos/shape.c (non-rectangular X window!) </ul> Bug fixes: <ul> <li>glEnable/DisableClientState() were missing from GL/gl.h <li>GL_SPHERE_MAP texcoord generation didn't work correctly <li>glXGetConfig() returned wrong number of depth, stencil, accum bits <li>glDrawPixels feedback/selection didn't examine RasterPos valid bit <li>black and white were reversed on some monochrome displays <li>fixed potential image memory leak (wasn't setting reference counter) <li>glDrawPixels sometimes didn't recognize some GL state changes <li>gluProject/UnProject() didn't check for divide by zero <li>stex3d demo called random() and srandom(), not portable <li>fixed memory leaks in context.c and drawpix.c <li>fixed NULL dereferencing problem in gl_update_texture_state() <li>glReadPixels between glBegin/glEnd didn't generate an error. <li>fixed memory leak in polygon tesselator (Randy Frank) <li>fixed seg fault bug drawing flat-shaded, depth-tested lines <li>clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded <li>glBindTexture sometimes didn't work <li>fixed a bug deep in glXReleaseBuffersMESA() <li>fog was mistakenly applied to alpha <li>glPopMatrix didn't set "dirty matrix" flag <li>glPolygonStipple pattern was sometimes wrong <li>glClear wasn't disabled during feedback and selection <li>fixed memory leak in glTexSubImage[123]D </ul> Changes: <ul> <li>many library source files reorganized <li>faster X color allocation, colors also freed when finished with them <li>new texture sampling function pointer in texture objects <li>incorporated 3Dfx VooDoo driver v0.16 into main source tree <li>many 3Dfx driver updates <li>cygnus Makefiles now included <li>updated DOS driver <li>made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) <li>internally, colors now stored in GLubytes, not GLfixed <li>optimized changing of GL_SHININESS parameter </ul> <h2>2.4 September 18, 1997</h2> New: <ul> <li>updated 3Dfx Glide driver <li>hacks for 3Dfx rendering into an X window or fullscreen <li>added depth buffer access functions to X/Mesa and OS/Mesa interfaces </ul> Bug fixes: <ul> <li>pixel buffer could overflow with long, wide lines <li>fixed FP underflow problems in lighting <li>glTexSubImage1D() had an unitialized variable <li>incomplete texture objects could cause a segfault <li>glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop <li>flat-shaded quads in a strip were miscolored if clipped <li>mipmapped triangle lod computation now works correctly <li>fixed a few under/overflow bugs in triangle rasterizer <li>glArrayElement() assigned bad normal if normal array disabled <li>changed argument to glXReleaseBuffersMESA() <li>fixed small triangle underflow bugs in tritemp.h (hopefully) <li>glBindTexture(target, 0) caused a crash <li>glTexImage[123]D() with NULL image pointer caused crash <li>glPixelStore parameters are now ignored during display list execution <li>fixed a two-sided lighting w/ clipping bug (black vertices) <li>textures with width!=height were sometimes mis-rendered <li>"weird" projection matrices could cause div by 0, other fp errors </ul> Changes: <ul> <li>changed precompiled header symbol from PCH to PC_HEADER <li>split api.c into api1.c and api2.c <li>added hash.c source file (but not used yet) <li>a few Sun and HP configuration file changes <li>MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN <li>fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) </ul> <h2>2.5 November 20, 1997</h2> New: <ul> <li>updated 3Dfx driver (v20) for GLQuake <li>added GL_EXT_paletted_texture extension <li>added GL_EXT_shared_texture_palette extension <li>added GL_EXT_point_parameters extension <li>now including Mark Kilgard's GLUT library v3.6 <li>new GLUT-based demos in gdemos/ <li>added a few more Unix config targets <li>added Intel X86 assembly language vertex transformation code <li>3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var <li>Windows 95 S3 Virge driver </ul> Bug fixes: <ul> <li>glCopyTexImage?D would crash due to uninitialized variable <li>glColor w/ glColorMaterial in a display list caused a bug <li>fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver <li>glVertex4*() vertices weren't always projected correctly <li>trying to use mipmapped textured points or lines caused crash <li>glColor[34][fd]() values now clamped to [0,1] before int conversion </ul> Changes: <ul> <li>new device driver functions for texture mapping <li>hash tables used for display list and texture object lookup <li>fixed GLX visual handling code to avoid saving redundant visuals <li>3Dfx Glide libraries automatically linked to libMesaGL.so <li>dropped the Cirrus Logic Mondello code since it's obsolete <li>updated Cygnus Makefiles (Stephane Rehel) <li>updated Windows MSVC++ Makefiles (Oleg Letsinsky) <li>procedure for making library files has changed: scripts now take a major and minor version arguments. Make-config changed a lot. <li>new implementation of glTexSubImage2D() <li>updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) <li>separate linux-glide and linux-386-glide configurations </ul> <h2>2.6 February 12, 1998</h2> New: <ul> <li>Windows WGL functions <li>updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support <li>v0.22 of 3Dfx Glide driver <li>more X86 assembly language optimizations <li>faster blending for some modes <li>XMesaSetFXmode() to switch between 3Dfx window and full-screen mode <li>added preliminary thread support <li>added GLX_MESA_copy_sub_buffer extension <li>some clipping optimizations </ul> Bug fixes: <ul> <li>fixed shading/material bug when drawing long primitive strips <li>fixed clipping problem in long primitive strips <li>fixed clipping bug when using 3Dfx driver <li>fixed a problem when trying to use X fonts w/ 3Dfx driver <li>fixed a texture filter bug in 3Dfx/Glide driver <li>fixed bug in 3Dfx/Glide driver involving depth mask & clearing <li>glLoadMatrix to set projection matrix confused the 3Dfx driver <li>non-identity texture matrices didn't work with linux-386 configs <li>glGenTextures() didn't reserve the returned texture IDs <li>NULL proxy image sent to glTexImageXD() caused crash <li>added texture state validation optimization (Henk Kok) <li>fixed colormap reuse problem when using both RGB and CI windows <li>32bpp True/DirectColor X visuals weren't recognized <li>fixed potential problem in evaluators memory allocation <li>fixed assorted demo compilation bugs </ul> Changes: <ul> <li>replaced old Mesa/windows/ directory with Mesa/WIN32/ directory <li>converted a few old glaux/gltk demos to GLUT <li>renamed directories: demos -> xdemos, gdemos -> demos </ul> <h2>3.0 September 17, 1998</h2> New: <ul> <li>OpenGL 1.2 API <li>GL_EXT_abgr pixel format extension <li>GL_SGIS_texture_edge_clamp extension <li>GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) <li>GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) <li>GL_EXT_rescale_normal extension and renormal.c demo <li>GLX_SGI_video_sync extension (a no-op) <li>antialiased lines <li>glGetTexImage() now implemented <li>glDraw/Copy/ReadPixels() optimizations <li>optimized textured triangle code (Marten Stromberg) <li>more optimization of dithered TrueColor triangles in X driver <li>Linux GGI driver <li>updated MGL driver </ul> Bug fixes: <ul> <li>lots of assorted compilation fixes <li>glInitNames didn't write initial hit record <li>glBitmap didn't always check for invalid raster position <li>switching between GLX and OSMesa contexts caused a crash <li>fixed uninitialized variable in Mesa widget code <li>fixed typo in texture code which caused book/texgen to crash <li>fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP <li>gluDisk() in POINT or LINE mode sometimes failed <li>fixed texture + fog bug <li>GL_COMPILE_AND_EXECUTE mode didn't work reliably <li>glMultMatrix in projection matrix mode w/ 3Dfx driver could fail <li>glDrawPixels(color index pixels) weren't converted to RGBA <li>fixed possible getenv() buffer overflow security bug <li>glBitmap in feedback mode was offset by xOrig, yOrig params <li>device driver's DrawPixels hook was never used <li>glDrawPixels with zoomY!=1 and top/bottom clipping didn't work <li>glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte <li>fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c <li>glCopyTexSubImage2D() didn't work with 3Dfx driver <li>lines with width = 2 could cause crash <li>glClear with scissor rect sometimes cleared whole buffer <li>glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work <li>glTexImageXD( .. GL_ABGR_EXT .. ) didn't work <li>computation of inverse modelview matrix sometimes failed <li>fixed GL_CLAMP mode texture sampling bug <li>textured line interpolation was somewhat broken <li>textured triangle interpolation was also somewhat broken <li>glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one <li>evaluator state wasn't fully initialized <li>texture coordinate clipping was buggy <li>evaluator surfaces could be mis-colored <li>glAccum(GL_RETURN, s) didn't obey glColorMask() settings <li>zero area polygons shouldn't be culled if polygon mode is point/line <li>clipped width and height of glReadPixels was sometimes off by one <li>blending with alpha = 0 or 1.0 wasn't always exact <li>reading of pixels from clipped region was buggy <li>minor tweaking of X visual management in GLX emulator <li>glPolygonStipple now obeys pixel unpacking parameters <li>glGetPolygonStipple now obeys pixel packing parameters <li>interleaved vertex array texture coordinates were broken <li>query of proxy texture internal format was broken <li>alpha channel wasn't reliably cleared <li>fixed divide by zero error in gluScaleImage if dest size = 1 x 1 </ul> Conformance bug fixes: <ul> <li>GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing <li>GL_TEXTURE_INTERNAL_FORMAT was missing <li>glGet*(GL_POLYGON_STIPPLE) was broken <li>glPush/PopAttrib() didn't save/restore all texture state <li>glBitmap in feedback mode didn't work <li>feedback of texture coords didn't always work <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke <li>glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke <li>glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke </ul> Changes: <ul> <li>upgraded GLUT to version 3.7 <li>only GL and GLU library code included in MesaLib.tar.gz <li>GLUT and all demos now in MesaDemos.tar.gz <li>glaux and gltk libraries removed <li>IRIX -n32 and -64 libs go in lib32/ and lib64/ directories </ul> <h2>3.1 beta 1 November 19, 1998</h2> New: <ul> <li>GL_EXT_stencil_wrap extension <li>GL_INGR_blend_func_separate extension <li>GL_ARB_multitexture extension <li>GL_NV_texgen_reflection extension <li>newly optimized vertex transformation code <li>updated GLUT 3.7 code <li>better precision when using 32-bit Z buffer <li>Allegro DJGPP driver </ul> Bug fixes: <ul> <li>glCopyPixels between front/back buffers didn't copy alpha correctly <li>fixed out-of-bounds memory access in optimized 2-D texture code <li>glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter <li>glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter <li>clipping of texture coordinates sometimes had bad R,Q values <li>GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels <li>glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean * <li>texture was sometimes applied twice with 3Dfx driver <li>glPush/PopAttrib() fouled up texture object reference counts <li>glDeleteLists(0, n) caused assertion failure <li>bilinear texture sampling wasn't accurate enough <li>glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx <li>color components were reversed on big endian 32 bpp X visuals </ul> Changes: <ul> <li>removed GL_EXT_multitexture extension </ul> <h2>3.1 beta 2 May 24, 1999</h2> New: <ul> <li>multi-textured points and lines (mjk@nvidia.com) <li>optimized 24bpp X rendering (bernd.paysan@gmx.de) <li>added allegro support (bernie-t@geocities.com) <li>cleaned-up Windows-related stuff (Ted Jump) <li>minor stereo changes (KendallB@scitechsoft.com) <li>new BeOS driver which implements BGLView class <li>new Direct3D driver (see src/D3D) <li>more efficient filled gluCylinder() function <li>utilities: util/showbuffer.[ch] and util/glstate.[ch] <li>fixed some IRIX compiler warnings <li>added support for building Mesa in XFree86 with SGI's GLX (kevin@precisioninsight.com) </ul> Bug fixes: <ul> <li>a variety of Windows/Mesa bug fixes (mjk@nvidia.com) <li>packed pixel images weren't unpacked correctly <li>patches some win32 files in GLUT (mjk@nvidia.com) <li>glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX <li>fixed lighting bug in Keith's new shading code <li>fixed texture segfault seen in Lament screensaver <li>fixed miscellaneous low-memory bugs <li>glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken <li>GL_LINEAR sampling of 3D textures was broken <li>fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org) <li>added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk) <li>fixed wide point and wide line conformance bugs (brianp) </ul> Changes: <ul> <li>some device driver changes (see src/dd.h) <li>new copyright on core Mesa code </ul> <h2>3.1 beta 3 September 17, 1999</h2> New: <ul> <li>optimized glAccum function <li>optimized 24bpp rendering in XMesa driver <li>GLU 1.2 polygon tessellator </ul> Bug Fixes: <ul> <li>glGetTexLevelParameter wasn't fully implemented <li>glXUseXFont now handles multi-byte fonts <li>glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result <li>alpha channel of blending points, lines was sometimes incorrect </ul> Changes: <ul> <li>New library names: "libGL" instead of "libMesaGL" <li>New library numbering: libGL.so.1.2.310 <li>New subdirectories: docs/ and bin/ <li>New Makefile-system (autoconf,automake,libtool) </ul> <h2>3.1 final December 14, 1999</h2> New: <ul> <li>added demos/gloss.c <li>added xdemos/glxdpyinfo.c <li>added GLX_ARB_get_proc_address extension <li>rewritten glTexImage code paths (faster, less memory, bug fixes) </ul> Bug Fixes: <ul> <li>several vertex array bug fixes <li>overlapping glCopyPixels with pixel zooming now works <li>glXUseXFont() bitmaps were vertically shifted by one pixel <li>glCopyPixels with pixel zooming now works </ul> <h2>3.2 final April 24, 2000</h2> Bug fixes: <ul> <li>fixed memcpy bugs in span.c <li>fixed missing glEnd problem in demos/tessdemo.c <li>fixed bug when clearing 24bpp Ximages <li>fixed clipping problem found in Unreal Tournament <li>fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 <li>fixed Loki's 3dfx RGB vs BGR bug <li>fixed Loki's 3dfx smooth/flat shading bug in SoF </ul> Changes: <ul> <li>updated docs/README file <li>use bcopy() optimizations on FreeBSD <li>re-enabled the optimized persp_textured_triangle() function </ul> <h2>3.2.1 July 19, 2000</h2> Bug fixes: <ul> <li>gluBuild2DMipmaps() didn't accept GL_BGRA <li>Fixed compile/makefile problems on IRIX <li>fixed segfault in 3dfx driver when using GL selection/feedback <li>no longer cull very, very tiny triangles <li>blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering) <li>fixed Motif detection code in widgets-mesa/configure.in <li>glColorMaterial and glMaterial updates to emissive and ambient didn't always work right <li>Specular highlights weren't always in the right place <li>clipped GL_LINE mode polygons had interior lines appear <li>blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken <li>GL_NICEST fog didn't always work with flat shading <li>glRect commands in display lists were sometimes miscolored <li>Line Z offset didn't always work <li>fixed texgen normal vector problem (gloss's teapot) <li>numerous GL conformance bugs fixed </ul> Changes: <ul> <li>glColorMask(false, false, false, false) handled better/faster <li>reverted to old GLU polygon tessellator, GLU 1.1 <li>updated Win32 build files </ul> <h2>3.3 July 21, 2000</h2> New: <ul> <li>antialiased triangles now implemented <li>GL_EXT_texture_env_add texture mode extension <li>GLX 1.3 API <li>support for separate draw/read buffers (ie GL_SGI_make_current_read) <li>thread-safe API dispath <li>improved glxinfo program <li>demos/texdown program to measure texture download performance <li>glext.h header file <li>demos/geartrain program <li>GL_EXT_texture_lod_bias extension <li>demos/lodbias program <li>further optimized glRead/DrawPixels for 16-bit TrueColor X visuals <li>GLX_EXT_visual_rating extension (a no-op, however) <li>GL_HP_occlusion_test extension (for X and OS/Mesa drivers) <li>demos/occlude program <li>GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions <li>demos/pixeltex program <li>GL_SGI_color_matrix extension <li>GL_SGI_color_table extension <li>GL_EXT_histogram extension <li>GL_ARB_texture_cube_map extension <li>added xdemos/glxheads and xdemos/manywin <li>demos/texenv.c demo <li>GL_EXT_texture_env_combine extension (by Holger Waechtler) <li>Xlib driver is now thread-safe (see xdemos/glthreads) <ul> Bug Fixes: </ul> <li>various GL conformance failures fixed since 3.2.1 </ul> Changes: <ul> <li>gl.h now uses #defines instead of C enums for all tokens <li>glu.h now uses #defines instead of C enums for all tokens <li>moved programs from 3Dfx/demos/ into demos/ directory </ul> <h2>3.4 November 3, 2000</h2> New: <ul> <li>optimized glDrawPixels for glPixelZoom(1,-1) Bug Fixes: <li>widgets-mesa/src/*.c files were missing from 3.3 distro <li>include/GL/mesa_wgl.h file was missing from 3.3 distro <li>fixed some Win32 compile problems <li>texture object priorities weren't getting initialized to 1.0 <li>glAreTexturesResident return value was wrong when using hardware <li>glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) <li>glReadPixels with GLushort packed types was broken <li>fixed a few bugs in the GL_EXT_texture_env_combine texture code <li>glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables <li>fixed some typos/bugs in the VB code <li>glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work <li>optimized glDrawPixels paths weren't being used <li>per-fragment fog calculation didn't work without a Z buffer <li>improved blending accuracy, fixes Glean blendFunc test failures <li>glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly <li>glXGetProcAddressARB() didn't always return the right address <li>gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format <li>texture matrix changes weren't always detected (GLUT projtex demo) <li>fixed random color problem in vertex fog code <li>fixed Glide-related bug that let Quake get a 24-bit Z buffer <ul> Changes: </ul> <li>finished internal support for compressed textures for DRI </ul> <h2>3.4.1 February 14, 2001</h2> New: <ul> <li>fixed some Linux build problems <li>fixed some Windows build problems <li>GL_EXT_texture_env_dot3 extension (Gareth Hughes) </ul> Bug fixes: <ul> <li>added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI <li>various state-update code changes needed for DRI bugs <li>disabled pixel transfer ops in glColorTable commands, not needed <li>fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter <li>updated sources and fixed compile problems in widgets-mesa/ <li>GLX_PBUFFER enum value was wrong in glx.h <li>fixed a glColorMaterial lighting bug <li>fixed bad args to Read/WriteStencilSpan in h/w stencil clear function <li>glXCopySubBufferMESA() Y position was off by one <li>Error checking of glTexSubImage3D() was broken (bug 128775) <li>glPopAttrib() didn't restore all derived Mesa state correctly <li>Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL conformance problems at 16bpp. <li>clearing depth buffer with scissoring was broken, would segfault <li>OSMesaGetDepthBuffer() returned bad bytesPerValue value <li>fixed a line clipping bug (reported by Craig McDaniel) <li>fixed RGB color over/underflow bug for very tiny triangles </ul> Known problems: <ul> <li>NURBS or evaluator surfaces inside display lists don't always work </ul> <h2>3.4.2 May 17, 2001</h2> Bug fixes: <ul> <li>deleting the currently bound texture could cause bad problems <li>using fog could result in random vertex alpha values <li>AA triangle rendering could touch pixels outside right window bound <li>fixed byteswapping problem in clear_32bit_ximage() function <li>fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam <li>fixed memory leak in glXUseXFont() <li>fragment sampling in AA triangle function was off by 1/2 pixel <li>Windows: reading pixels from framebuffer didn't always work <li>glConvolutionFilter2D could segfault or cause FP exception <li>fixed segfaults in FX and X drivers when using tex unit 1 but not 0 <li>GL_NAND logicop didn't work right in RGBA mode <li>fixed a memory corruption bug in vertex buffer reset code <li>clearing the softwara alpha buffer with scissoring was broken <li>fixed a few color index mode fog bugs <li>fixed some bad assertions in color index mode <li>fixed FX line 'stipple' bug #420091 <li>fixed stencil buffer clear width/height typo <li>fixed GL error glitches in gl[Client]ActiveTextureARB() <li>fixed Windows compilation problem in texutil.c <li>fixed 1/8-pixel AA triangle sampling error </ul> Changes: <ul> <li>optimized writing mono-colored pixel spans to X pixmaps <li>increased max viewport size to 2048 x 2048 </ul> <h2>3.5 June 21, 2001</h2> New: <ul> <li>internals of Mesa divided into modular pieces (Keith Whitwell) <li>100% OpenGL 1.2 conformance (passes all conformance tests) <li>new AA line algorithm <li>GL_EXT_convolution extension <li>GL_ARB_imaging subset <li>OSMesaCreateContextExt() function <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) <li>GL_MAX_TEXTURE_UNITS_ARB now defaults to eight <li>GL_EXT_fog_coord extension (Keith Whitwell) <li>GL_EXT_secondary_color extension (Keith Whitwell) <li>GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) <li>GL_SGIX_depth_texture extension <li>GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions <li>demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow <li>GL_ARB_texture_env_combine extension <li>GL_ARB_texture_env_dot3 extension <li>GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) <li>OSMesaCreateContextExt() function <li>libOSMesa.so library, contains the OSMesa driver interface <li>GL/glxext.h header file for GLX extensions <li>somewhat faster software texturing, fogging, depth testing <li>all color-index conformance tests now pass (only 8bpp tested) <li>SPARC assembly language TCL optimizations (David Miller) <li>GL_SGIS_generate_mipmap extension </ul> Bug Fixes: <ul> <li>fbiRev and tmuRev were unitialized when using Glide3 <li>fixed a few color index mode conformance failures; all pass now <li>now appling antialiasing coverage to alpha after texturing <li>colors weren't getting clamped to [0,1] before color table lookup <li>fixed RISC alignment errors caused by COPY_4UBV macro <li>drawing wide, flat-shaded lines could cause a segfault <li>vertices now snapped to 1/16 pixel to fix rendering of tiny triangles </ul> Changes: <ul> <li>SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU <li>new libOSMesa.so library, contains the OSMesa driver interface </ul> <h2>4.0 October 22, 2001</h2> New: <ul> <li>Mesa 4.0 implements the OpenGL 1.3 specification <li>GL_IBM_rasterpos_clip extension <li>GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) <li>GL_ARB_texture_mirrored_repeat extension <li>WindML UGL driver (Stephane Raimbault) <li>added OSMESA_MAX_WIDTH/HEIGHT queries <li>attempted compiliation fixes for Solaris 5, 7 and 8 <li>updated glext.h and glxext.h files <li>updated Windows driver (Karl Schultz) </ul> Bug fixes: <ul> <li>added some missing GLX 1.3 tokens to include/GL/glx.h <li>GL_COLOR_MATRIX changes weren't recognized by teximage functions <li>glCopyPixels with scale and bias was broken <li>glRasterPos with lighting could segfault <li>glDeleteTextures could leave a dangling pointer <li>Proxy textures for cube maps didn't work <li>fixed a number of 16-bit color channel bugs <li>fixed a few minor memory leaks <li>GLX context sharing was broken in 3.5 <li>fixed state-update bugs in glPopClientAttrib() <li>fixed glDrawRangeElements() bug <li>fixed a glPush/PopAttrib() bug related to texture binding <li>flat-shaded, textured lines were broken <li>fixed a dangling pointer problem in the XMesa code (Chris Burghart) <li>lighting didn't always produce the correct alpha value <li>fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) </ul> <h2>4.0.1 December 17, 2001</h2> New: <ul> <li>better sub-pixel sample positions for AA triangles (Ray Tice) <li>slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) </ul> Bug fixes: <ul> <li>added missing break statements in glGet*() for multisample cases <li>fixed uninitialized hash table mutex bug (display lists / texobjs) <li>fixed bad teximage error check conditional (bug 476846) <li>fixed demos readtex.c compilation problem on Windows (Karl Schultz) <li>added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT <li>silence some compiler warnings (gcc 2.96) <li>enable the #define GL_VERSION_1_3 in GL/gl.h <li>added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h <li>fixed glu.h typedef problem found with MSDev 6.0 <li>build libGL.so with -Bsymbolic (fixes bug found with Chromium) <li>added missing 'const' to glXGetContextIDEXT() in glxext.h <li>fixed a few glXGetProcAddress() errors (texture compression, etc) <li>fixed start index bug in compiled vertex arrays (Keith) <li>fixed compilation problems in src/SPARC/glapi_sparc.S <li>fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) <li>use glXGetProcAddressARB in GLUT to avoid extension linking problems <li>provoking vertex of flat-shaded, color-index triangles was wrong <li>fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) <li>glTexParameter didn't flush the vertex buffer (Ray Tice) <li>feedback attributes for glDraw/CopyPixels and glBitmap were wrong <li>fixed bug in normal length caching (ParaView lighting bug) <li>fixed separate_specular color bug found in Chimera (18 Dec 2001) </ul> <h2>4.0.2 April 2, 2002</h2> New: <ul> <li>New DOS (DJGPP) driver written by Daniel Borca <li>New driver interface functions for TCL drivers (such as Radeon DRI) <li>GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" if using deep color channels <li>latest GL/glext.h and GL/glxext.h headers from SGI </ul> Bug fixes: <ul> <li>GL_BLEND with non-black texture env color wasn't always correct <li>GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) <li>glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken <li>glReadPixels was sometimes mistakenly clipped by the scissor box <li>glDraw/ReadPixels didn't catch all the errors that they should have <li>Fixed 24bpp rendering problem in Windows driver (Karl Schultz) <li>16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) <li>Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) <li>glColorMask as sometimes effecting glXSwapBuffers() <li>fixed a potential bug in XMesaGarbageCollect() <li>N threads rendering into one window didn't work reliably <li>glCopyPixels didn't work for deep color channels <li>improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) <li>glPopAttrib() didn't correctly restore user clip planes <li>user clip planes failed for some perspective projections (Chromium) </ul> Known bugs: <ul> <li>mipmap LOD computation </ul> <h2>4.0.3 June 25, 2002</h2> New: <ul> <li>updated GL/glext.h file (version 15) <li>corrected MMX blend code (Jose Fonseca) <li>support for software-based alpha planes in Windows driver <li>updated GGI driver (Filip Spacek) </ul> Bug fixes: <ul> <li>glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens <li>OSMesaMakeCurrent() didn't recognize buffer size changes <li>assorted conformance fixes for 16-bit/channel rendering <li>texcombine alpha subtraction mode was broken <li>fixed lighting bug with non-uniform scaling and display lists <li>fixed bug when deleting shared display lists <li>disabled SPARC cliptest assembly code (Mesa bug 544665) <li>fixed a couple Solaris compilation/link problems <li>blending clipped glDrawPixels didn't always work <li>glGetTexImage() didn't accept packed pixel types <li>glPixelMapu[is]v() could explode given too large of pixelmap <li>glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT <li>glXCopyContext() could lead to segfaults <li>glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) </ul> Changes: <ul> <li>lots of C++ (g++) code clean-ups <li>lots of T&L updates for the Radeon DRI driver </ul> Known bugs: <ul> <li>mipmap LOD computation (fixed for Mesa 4.1) </ul> <h2>4.0.4 October 3, 2002</h2> New: <ul> <li>GL_NV_texture_rectangle extension <li>updated glext.h header (version 17) <li>updated DOS driver (Daniel Borca) <li>updated BeOS R5 driver (Philippe Houdoin) <li>added GL_IBM_texture_mirror_repeat <li>glxinfo now takes -l option to print interesting OpenGL limits info <li>GL_MESA_ycbcr_texture extension <li>GL_APPLE_client_storage extension (for some DRI drivers only) <li>GL_MESA_pack_invert extension </ul> Bug fixes: <ul> <li>fixed GL_LINEAR fog bug by adding clamping <li>fixed FP exceptions found using Alpha CPU <li>3dfx MESA_GLX_FX=window (render to window) didn't work <li>fixed memory leak in wglCreateContest (Karl Schultz) <li>define GLAPIENTRY and GLAPI if undefined in glu.h <li>wglGetProcAddress didn't handle all API functions <li>when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map <li>removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() <li>error checking in compressed tex image functions had some glitches <li>fixed AIX compile problem in src/config.c <li>glGetTexImage was using pixel unpacking instead of packing params <li>auto-mipmap generation for cube maps was incorrect </ul> Changes: <ul> <li>max texture units reduced to six to accomodate texture rectangles <li>removed unfinished GL_MESA_sprite_point extension code </ul> <h2>4.1 October 29, 2002</h2> New: <ul> <li>GL_NV_vertex_program extension <li>GL_NV_vertex_program1_1 extension <li>GL_ARB_window_pos extension <li>GL_ARB_depth_texture extension <li>GL_ARB_shadow extension <li>GL_ARB_shadow_ambient extension <li>GL_EXT_shadow_funcs extension <li>GL_ARB_point_parameters extension <li>GL_ARB_texture_env_crossbar <li>GL_NV_point_sprite extension <li>GL_NV_texture_rectangle extension <li>GL_EXT_multi_draw_arrays extension <li>GL_EXT_stencil_two_side extension <li>GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions <li>GL_ATI_texture_mirror_once extension (Ian Romanick) <li>massive overhaul/simplification of software rasterizer module, many contributions from Klaus Niederkrueger <li>faster software texturing in some cases (i.e. trilinear filtering) <li>new OSMesaGetProcAddress() function <li>more blend modes implemented with MMX code (Jose Fonseca) <li>added glutGetProcAddress() to GLUT <li>added GLUT_FPS env var to compute frames/second in glutSwapBuffers() <li>pbinfo and pbdemo PBuffer programs <li>glxinfo -v prints transprent pixel info (Gerd Sussner) </ul> Bug fixes: <ul> <li>better mipmap LOD computation (prevents excessive blurriness) <li>OSMesaMakeCurrent() didn't recognize buffer size changes <li>assorted conformance fixes for 16-bit/channel rendering <li>texcombine alpha subtraction mode was broken <li>fixed some blend problems when GLchan==GLfloat (Gerk Huisma) <li>clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma) <li>fixed divide by zero error in NURBS tessellator (Jon Perry) <li>fixed GL_LINEAR fog bug by adding clamping <li>fixed FP exceptions found using Alpha CPU <li>3dfx/glide driver render-to-window feature was broken <li>added missing GLX_TRANSPARENT_RGB token to glx.h <li>fixed error checking related to paletted textures <li>fixed reference count error in glDeleteTextures (Randy Fayan) </ul> Changes: <ul> <li>New spec file and Python code to generate some GL dispatch files <li>Glide driver defaults to "no" with autoconf/automake <li>updated demos/stex3d with new options </ul> <h2>5.0 November 13, 2002</h2> New: <ul> <li>OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") <li>removed some overlooked debugging code <li>glxinfo updated to support GLX_ARB_multisample <li>GLUT now support GLX_ARB_multisample <li>updated DOS driver (Daniel Borca) </ul> Bug fixes: <ul> <li>GL_POINT and GL_LINE-mode polygons didn't obey cull state <li>fixed potential bug in _mesa_align_malloc/calloc() <li>fixed missing triangle bug when running vertex programs <li>fixed a few HPUX compilation problems <li>FX (Glide) driver didn't compile <li>setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work <li>a few EXT functions, like glGenTexturesEXT, were no-ops <li>a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, glMultiDrawArrays and glMultiDrawElements were missing <li>glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken <li>Pentium 4 Mobile was mistakenly identified as having 3DNow! <li>fixed one-bit error in point/line fragment Z calculation <li>fixed potential segfault in fakeglx code <li>fixed color overflow problem in DOT3 texture env mode </ul> <h2>5.0.1 March 30, 2003</h2> New: <ul> <li>DOS driver updates from Daniel Borca <li>updated GL/gl_mangle.h file (Bill Hoffman) Bug fixes: <li>auto mipmap generation for cube maps was broken (bug 641363) <li>writing/clearing software alpha channels was unreliable <li>minor compilation fixes for OS/2 (Evgeny Kotsuba) <li>fixed some bad assertions found with shadowtex demo <li>fixed error checking bug in glCopyTexSubImage2D (bug 659020) <li>glRotate(angle, -x, 0, 0) was incorrect (bug 659677) <li>fixed potential segfault in texture object validation (bug 659012) <li>fixed some bogus code in _mesa_test_os_sse_exception_support (Linus) <li>fix fog stride bug in tnl code for h/w drivers (Michel Danzer) <li>fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) <li>glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 <li>fixed compilation problem on Solaris7/x86 (bug 536406) <li>fixed prefetch bug in 3DNow! code (Felix Kuhling) <li>fixed NeXT build problem (FABSF macro) <li>glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) <li>zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) <li>AA line and triangle Z values are now rounded, not truncated <li>fixed color interpolation bug when GLchan==GLfloat (bug 694461) <li>glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) <li>fixed a minor GL_COLOR_MATERIAL bug <li>NV vertex program EXP instruction was broken <li>glColorMask misbehaved with X window / pixmap rendering <li>fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) <li>attempt to fix GGI compilation problem when MesaDemos not present <li>NV vertex program ARL-relative fetches didn't work </ul> Changes: <ul> <li>use glPolygonOffset in gloss demo to avoid z-fighting artifacts <li>updated winpos and pointblast demos to use ARB extensions <li>disable SPARC normal transformation code (bug 673938) <li>GLU fixes for OS/2 (Evgeny Kotsuba) </ul> <h2>5.0.2 September 5, 2003</h2> Bug fixes: <ul> <li>fixed texgen problem causing texcoord's Q to be zero (stex3d) <li>default GL_TEXTURE_COMPARE_MODE_ARB was wrong <li>GL_CURRENT_MATRIX_NV query was wrong <li>GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one <li>GL_LIST_MODE query wasn't correct <li>GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported <li>GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value <li>blended, wide lines didn't always work correctly (bug 711595) <li>glVertexAttrib4svNV w component was always 1 <li>fixed bug in GL_IBM_rasterpos_clip (missing return) <li>GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly <li>a few Solaris compilation fixes <li>fixed glClear() problem for DRI drivers (non-existant stencil, etc) <li>fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) <li>fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) <li>glFog() didn't clamp fog colors <li>fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the gl[Get]TexParameteri[v] functions <li>fixed invalid memory references in glTexGen functions (bug 781602) <li>integer-valued color arrays weren't handled correctly <li>glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work <li>GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 </ul> Changes: <ul> <li>build GLUT with -fexceptions so C++ apps propogate exceptions </ul> <h2>5.1 December 17, 2003</h2> New: <ul> <li>reorganized directory tree <li>GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) <li>GL_ATI_texture_env_combine3 extension (Ian Romanick) <li>GL_SGI_texture_color_table extension (Eric Plante) <li>GL_NV_fragment_program extension <li>GL_NV_light_max_exponent extension <li>GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) <li>GL_ARB_occlusion_query extension <li>GL_ARB_point_sprite extension <li>GL_ARB_texture_non_power_of_two extension <li>GL_IBM_multimode_draw_arrays extension <li>GL_EXT_texture_mirror_clamp extension (Ian Romanick) <li>GL_ARB_vertex_buffer_object extension <li>new X86 feature detection code (Petr Sebor) <li>less memory used for display lists and vertex buffers <li>demo of per-pixel lighting with a fragment program (demos/fplight.c) <li>new version (18) of glext.h header <li>new spriteblast.c demo of GL_ARB_point_sprite <li>faster glDrawPixels in X11 driver in some cases (see RELNOTES-5.1) <li>faster glCopyPixels in X11 driver in some cases (see RELNOTES-5.1) </ul> Bug fixes: <ul> <li>really enable OpenGL 1.4 features in DOS driver. <li>fixed issues in glDrawPixels and glCopyPixels for very wide images <li>glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint <li>fixed some texgen bugs reported by Daniel Borca <li>fixed wglMakeCurrent(NULL, NULL) bug (#835861) <li>fixed glTexSubImage3D z-offset bug (Cedric Gautier) <li>fixed RGBA blend enable bug (Ville Syrjala) <li>glAccum is supposed to be a no-op in selection/feedback mode <li>fixed texgen bug #597589 (John Popplewell) </ul> Changes: <ul> <li>dropped API trace feature (src/Trace/) <li>documentation overhaul. merged with website content. more html. <li>glxgears.c demo updated to use GLX swap rate extensions <li>glTexImage1/2/3D now allows width/height/depth = 0 <li>disable SPARC asm code on Linux (bug 852204) </ul> <h2>6.0 January 16, 2004</h2> New: <ul> <li>full OpenGL 1.5 support <li>updated GL/glext.h file to version 21 Changes: <li>changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h) Bug fixes: <li>fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color clamping issue <li>updated suno5-gcc configs <li>glColor3 functions sometimes resulted in undefined alpha values <li>fixed FP divide by zero error seen on VMS with xlockmore, others <li>fixed vertex/fragment program debug problem (bug 873011) <li>building on AIX with gcc works now <li>glDeleteProgramsARB failed for ARB fragment programs (bug 876160) <li>glDrawRangeElements tried to modify potentially read-only storage <li>updated files for building on Windows </ul> <h2><a name="6.0.1">6.0.1 April 2, 2004</h2> New: <ul> <li>upgraded glext.h to version 22 <li>new build targets (Dan Schikore) <li>new linux-x86-opteron build target (Heath Feather) </ul> Bug fixes: <ul> <li>glBindProgramARB didn't update all necessary state <li>fixed build problems on OpenBSD <li>omit CVS directories from tarballs <li>glGetTexImage(GL_COLOR_INDEX) was broken <li>fixed an infinite loop in t&l module <li>silenced some valgrind warnings about using unitialized memory <li>fixed some compilation/link glitches on IRIX (Mike Stephens) <li>glBindProgram wasn't getting compiled into display lists <li>GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079) <li>two-sided lighting and vertex program didn't work (bug 887330) <li>stores to program parameter registers in vertex state programs didn't work. <li>fixed glOrtho bug found with gcc 3.2.2 (RH9) <li>glXCreateWindow() wasn't fully implemented (bug 890894) <li>generic vertex attribute arrays didn't work in display lists <li>vertex buffer objects' default usage and access fields were wrong <li>glDrawArrays with start!=0 was broken <li>fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken <li>linux-osmesa16-static config didn't work <li>fixed a few color index rendering problems (bug 910687) <li>glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE <li>OSMesa RGB and BGR modes were broken <li>glProgramStringARB mistakenly required a null-terminated string <li>fragment program XPD instruction was incorrect <li>glGetMaterial() didn't work reliably <li>ARB_fragment_program KIL instruction was incorrect </ul> <h2><a name="6.1">6.1 August 18, 2004</h2> New: <ul> <li>Revamped Makefile system <li>glXUseRotatedXFont() utility (see xdemos/xuserotfont.c) <li>internal driver interface changes related to texture object allocation, vertex/fragment programs, BlendEquationSeparate, etc. <li>option to walk triangle edges with double-precision floats (Justin Novosad of Discreet) (see config.h file) <li>support for AUX buffers in software GLX driver <li>updated glext.h to version 24 and glxext.h to version 6 <li>new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars <li>updated BeOS support (Philippe Houdoin) </ul> Changes: <ul> <li>fragment fog interpolation is perspective corrected now <li>new glTexImage code, much cleaner, may be a bit faster </ul> Bug fixes: <ul> <li>glArrayElement in display lists didn't handle generic vertex attribs <li>glFogCoord didn't always work properly <li>ARB_fragment_program fog options didn't work <li>frag prog TEX instruction no longer incorrectly divides s,t,r by q <li>ARB frag prog TEX and TEXP instructions now use LOD=0 <li>glTexEnviv in display lists didn't work <li>glRasterPos didn't do texgen or apply texture matrix <li>GL_DOUBLE-valued vertex arrays were broken in some cases <li>fixed texture rectangle edge/border sampling bugs <li>sampling an incomplete texture in a fragment program would segfault <li>glTexImage was missing a few error checks <li>fixed some minor glGetTexParameter glitches <li>GL_INTENSITY was mistakenly accepted as a <format> to glTexImage <li>fragment program writes to RC/HC register were broken <li>fixed a few glitches in GL_HP_occlusion_test extension <li>glBeginQueryARB and glEndQueryARB didn't work inside display lists <li>vertex program state references were broken <li>fixed triangle color interpolation bug on AIX (Shane Blackett) <li>fixed a number of minor memory leaks (bug #1002030) </ul> <h2><a name="6.2">6.2 October 2, 2004</h2> New: <ul> <li>enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle) <li>updated Doxygen support (Jose Fonseca) </ul> Changes: <ul> <li>some GGI driver updates (Christoph Egger, bug 1025977) </ul> Bug fixes: <ul> <li>Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features <li>fixed a few compilation issues on IRIX <li>fixed a matrix classification bug (reported by Wes Bethel) <li>we weren't reseting the vertex/fragment program error state before parsing (Dave Reveman) <li>adjust texcoords for sampling texture rectangles (Dave Reveman) <li>glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented <li>repeated calls to glDeleteTexture(t) could lead to a crash <li>fixed potential ref count bugs in VBOs and vertex/fragment programs <li>spriteblast demo didn't handle window size changes correctly <li>glTexSubImage didn't handle pixels=NULL correctly for PBOs <li>fixed color index mode glDrawPixels bug (Karl Schultz) </ul> <h2><a name="6.2.1">6.2.1 December 9, 2004</h2> Bug fixes: <ul> <li>don't apply regular fog or color sum when using a fragment program <li>glProgramEnvParameter4fARB always generated an error on GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645) <li>glVertexAttrib3svNV and glVertexAttrib3svARB were broken <li>fixed width/height mix-up in glSeparableFilter2D() <li>fixed regression in glCopyPixels + convolution <li>glReadPixels from a clipped front color buffer didn't always work <li>glTexImage didn't accept GL_RED/GREEN/BLUE as the format <li>Attempting queries/accesses of VBO 0 weren't detected as errors <li>paletted textures failed if the palette had fewer than 256 entries </ul> Changes: <ul> <li>fixed a bunch of compiler warnings found with gcc 3.4 <li>bug reports should to go bugzilla.freedesktop.org </ul> <h2><a name="6.3">6.3 July 20, 2005</h2> New: <ul> <li>GL_EXT_framebuffer_object extension <li>GL_ARB_draw_buffers extension <li>GL_ARB_pixel_buffer_object extension <li>GL_OES_read_format extension (Ian Romanick) <li>DirectFB driver (Claudio Ciccani) <li>x86_64 vertex transformation code (Mikko T.) <li>Updated GL/glext.h to version 29 </ul> Changes: <ul> <li>added -stereo option for glxgears demo (Jacek Rosik) <li>updated the PBuffer demo code in xdemos/ directory <li>glDeleteTextures/Programs/Buffers() now makes the object ID available for immediate re-use <li>assorted 64-bit clean-ups fixes (x86_64 and Win64) <li>lots of internal changes for GL_EXT_framebuffer_object </ul> Bug fixes: <ul> <li>some functions didn't support PBO functionality <li>glGetTexImage didn't convert color index images to RGBA as required <li>fragment program texcoords were sometimes wrong for points and lines <li>fixed problem with negative dot product in arbfplight, fplight demos <li>fixed bug in perspective correction of antialiased, textured lines <li>querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value <li>fixed a couple per-pixel fog bugs (Soju Matsumoto) <li>glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken <li>fixed float parsing bug in ARB frag/vert programs (bug 2520) <li>XMesaGetDepthBuffer() returned incorrect value for bytesPerValue <li>GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha <li>glXChooseFBConfig() crashed if attribList pointer was NULL <li>program state.light[n].spot.direction.w was wrong value (bug 3083) <li>fragment program fog option required glEnable(GL_FOG) - wrong. <li>glColorTable() could produce a Mesa implementation error (bug 3135) <li>RasterPos could get corrupted by color index rendering path <li>Removed bad XTranslateCoordinates call when rendering to Pixmaps <li>glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state <li>fixed a few Darwin compilation problems </ul> <h2><a name="6.3.1">6.3.1</h2> <p> This was an intermediate release for X.org which wasn't otherwise released.) </p> <h2><a name="6.3.2">6.3.2 August 19, 2005</h2> New: <ul> <li>The distribution now includes the DRI drivers and GLX code </ul> Changes: <ul> <li>Made the DRI "new" driver interface standard, remove old code </ul> Bug fixes: <ul> <li>GL_ARB_vertex/fragment_shader were mistakenly listed in the extensions string <li>negative relative addressing in vertex programs was broken <li>update/fix SPARC assembly code for vertex transformation <li>fixed memory leak when freeing GLX drawables/renderbuffers <li>fixed display list memory leak <li>the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer <li>wglGetProcAddress() didn't handle wgl-functions <li>fixed glxext.h cross-compile issue (Colin Harrison) <li>assorted DRI driver fixes </ul> <B> NOTE: Changes for Mesa 6.4 and later are documented in the corresponding <a href="relnotes.html">release notes</a> file. </B> </body> </html>