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diff --git a/mesalib/docs/versions.html b/mesalib/docs/versions.html new file mode 100644 index 000000000..84b40fd21 --- /dev/null +++ b/mesalib/docs/versions.html @@ -0,0 +1,1656 @@ +<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> |