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Mesa Version History ==================== 1.0 beta February 1995 Initial release 1.1 beta March 4, 1995 Changes: faster point and line drawing (2x faster) more systems supported, better Makefiles Renamed lib*.a files to avoid collisions many small bug fixes New: pseudo-GLX functions added new implementation of evaluators (eval2.c) GLUT support 1.1.1 beta March 7, 1995 Changes: Reverted from eval2.c to eval.c due to FPE on Linux more speed improvements more Makefile changes 1.1.2 beta March 14, 1995 New: implementation of SGI's blending extensions glXUseXFont implemented added MESA_DEBUG environment variable support Changes: Using eval2.c again more FPE-prevention checks (0-length normals are OK) a few small bug fixes much faster pixel logic ops! faster transformation arithmetic 1.1.3 beta March 31, 1995 New: gluScaleImage() and gluBuild2DMipMaps() implemented Mesa widgets for Xt/Motif blendEXT demos added environment variables for selecting visuals Changes: almost all GLUT demos work correctly now faster X device driver functions more bug fixes 1.1.4 beta April 20, 1995 Bug fixes: - missing #define SEEK_SET in src-tk/image.c - compile glShadeModel into display lists - fixed pow() domain error in src/light.c - fixed "flickering bitmaps" in double buffer mode - fixed tk.h and aux.h for C++ - state of LIGHT_MODEL_LOCAL_VIEWER was inverted New features: - MUCH, MUCH nicer dithering in 8-bit RGB mode - updated widgets and widget demos - Implemented GLXPixmap functions - Added GLU 1.1 and GLX 1.1 functions - Changed the X/Mesa interface API, more versatile - Implemented gluPartialDisk() 1.2 May 22, 1995 Bug fixes: - IRIX 4.x makefile problem - modified tk to share root colormap as needed - gluLookAt normalization problem - suppress Expose, NoExpose events in swapbuffers - glBitmap() and glDrawPixels() clipping New features: - GL_BLEND, GL_MODULATE, GL_DECAL, and GL_REPLACE_EXT texture modes implemented - texture maps stored more efficiently - texture maps can be compiled into display lists - Bogdan Sikorski's GLU polygon tesselation code - Linas Vepstas's sweep and extrusion library - glXCreateContext()'s shareList parameter works as it's supposed to. XMesaCreateContext() updated to accept a shareList parameter too. - Mesa can be compiled with real OpenGL .h files - MESA_BACK_BUFFER environment variable - better GLX error checking 1.2.1 June 22, 1995 Bug fixes: - X/Mesa double buffer window resize crash - widgets now pass PointerMotion events - X/Mesa incorrect default clear color and drawing color - more robust X MIT-SHM support in X/Mesa - glTexImage( format=GL_LUMINANCE ) didn't work - GL_LINE mode polygons with line width > 1.0 could cause a crash - numerous feedback bugs - glReadPixels() from depth buffer was wrong - error prone depth and stencil buffer allocation New features: - Preliminary Microsoft Windows driver - Implemented a number of missing functions: glEvalCoord[12][df]v(), glGet...(), etc. - Added a few missing symbols to gl.h and glu.h - Faster rendering of smooth-shaded, RGBA, depth-buffered polygons. - Faster rendering of lines when width=2.0 - Stencil-related functions now work in display lists Changes: - renamed aux.h as glaux.h (MS-DOS names can't start with aux) - most filenames are in 8.3 format to accommodate MS-DOS - use GLubytes to store arrays of colors instead of GLints 1.2.2 August 2, 1995 New features: - texture mapped points and lines - NURBS! (but not 100% complete) - viewports may safely extend beyond window boundaries - MESA_PRIVATE_CMAP environment variable - Grayscale X display support - two new demos: demos/gears.c and demos/shadow.c - MachTen for Macintosh configuration Bug fixes: - glGet*(GL_DEPTH_BITS) returned bytes, not bits - point, line, and bitmap rasterization suffered from roundoff errors - fixed a division by zero error in line clippping - occasional wrong default background color really fixed! - glDepthFunc(GL_ALWAYS) with glDepthMask(GL_FALSE) didn't work - gluBuild2DMipmaps malloc problem fixed - view volume clipping of smooth shaded lines resulted in bad colors Changes: - new visual selection method in glXChooseVisual() - improved GLU quadric functions - call XSync for glFinish and XFlush for glFlush - glVertex() calls now use a function pointer to avoid conditionals - removed contrib directory from Mesa tar file (available on ftp site) - AIX shared library support - Removed GLUenum type as it's not in OpenGL 1.2.3 September 26, 1995 New features: - Mesa header files now equivalent to SGI OpenGL headers - Support for HP's Color Recovery dithering displays - Faster vertex transformation - Faster raster operations into X windows under certain conditions - New configurations: HP w/ shared libs, Ultrix w/ GCC, Data General - 4-bit visuals now supported Bug fixes: - glScissor bug fixed - round-off errors in clipping lines against clip planes fixed - byte swapping between hosts and display servers implemented - glGetError() can be called without a current rendering context - problem with accidentally culled polygons is fixed - fixed some widget compilation problems 1.2.4 November 17, 1995 New features: - More speed improvements (lighting, fogging, polygon drawing) - Window system and OS-independent off-screen rendering - Preliminary Fortran bindings - glPolygonOffsetEXT implemented - glColorMask and glIndexMask now fully implemented - glPixelZoom implemented - display lists fully implemented - gamma correction - dithering in 8-bit TrueColor/DirectColor visuals Changes: - Improved device driver interface - tk.h renamed to gltk.h to avoid conflicts with Tcl's Tk - Dithering support moved from core into device driver Bug fixes: - glEnable/Disable( GL_LIGHTING ) didn't always take effect - glReadPixels byte swapping was broken - glMaterial with pname==GL_AMBIENT_AND_DIFFUSE was broken - duplicate glColor4b() prototype in GL/gl.h removed - stripes in wave -ci demo fixed - GL_LINEAR_MIPMAP_NEAREST had wrong value - bugs in HP Color Recovery support fixed - fixed bug when blending lines, points, bitmaps outside of window 1.2.5 November 30, 1995 New Features: - updated MS Windows driver - new implementation of StaticGray/GrayScale visual support Bug fixes: - pixelzooming with gamma correction or blending didn't work - HP color recovery visual wasn't being picked by glXChooseVisual - glClear didn't always observe glColorMask changes - olympic and offset demos didn't compile on some Suns - texcoord clamping wasn't correct - a polygon optimization introduced an occasional sampling problem 1.2.6 January 26, 1996 New Features: - faster line and polygon rendering under certain conditions. See Performance Tips 9 and 10 in README - profiling - lighting is a bit faster - better perspective corrected texture mapping - Amiga AmiWin (X11) support - preliminary Linux SVGA driver Changes: - now using a 16-bit depth buffer, faster, smaller - GL_NORMALIZE is disabled by default Bug fixes: - projective texture mapping - fixed a memory leak in the context destroy function - GL_POLYGON with less than 3 vertices caused a crash - glGet*() returned wrong result for GL_INDEX_MODE - reading pixels from an unmapped X window caused a BadMatch error 1.2.7 March 5, 1996 New: - faster lighting - faster 16-bit TrueColor rendering on Linux - faster 32-bit TrueColor rendering on Linux, HP, IBM - non-depth-buffered XImage polygons are faster - vertex array extension - software alpha planes - updated Macintosh driver - new NeXT driver - GLU quadric functions generate texture coordinates - reflect.c demo - reflective, textured surface demo Changes: - gamma correction code moved into the X driver for better performance Bug fixes: - multiple glClipPlane()'s didn't work reliably - glPolygonMode() didn't always work - glCullFace( GL_FRONT_AND_BACK ) didn't work - texture mapping with gamma correction was buggy - floating point exceptions in texture coordinate interpolation - XImage byte swapping didn't always work - polygon edge flags weren't always used correctly 1.2.8 May 22, 1996 New: - overlay planes on X servers with the SERVER_OVERLAY_VISUALS property - better monochrome output - more IRIX 6.x configurations - more robust RGB mode color allocation - added MESA_XSYNC environment variable - GLX_MESA_pixmap_colormap and GLX_EXT_visual_info extensions - GL_MESA_window_pos extension - faster glReadPixels/glDrawPixels for GL_DEPTH and GL_UNSIGNED_SHORT and GL_UNSIGNED_INT - driver for prototype Cirrus Mondello 3-D board - updated AmigaDOS driver - a few small speed optimizations in polygon rendering Changes: - internal device driver interface modified to simplify device driver implementations and to support hardware Z buffers - several changes to the X/Mesa interface (xmesa.h) Bug fixes: - fixed pow(0,0) domain error triggered on some systems - glStencilClear() in a display list caused an infinite loop - glRasterPos*() was sometimes off by +/-0.5 in X and Y - color masking and blending were performed in wrong order - auxSolidCylinder() sometimes drew a wire-frame cylinder - fixed file writing bug in osdemo.c - pixel mapping didn't always work - the GL_GEQUAL stencil func didn't work - the GL_INVERT stencil op didn't work - the stencil write mask didn't work - glPush/PopAttrib() didn't do enough error checking - glIsList() didn't always work correctly 2.0 October 10, 1996 New: - Implements OpenGL 1.1 API functions - all texture filtering modes supported (mipmapping) - faster texture mapping, see Performance Tip 11 in README - antialiased RGB points - X support for line and polygon stippling - glDrawBuffer( GL_FRONT_AND_BACK ) works - util/ directory of useful stuff - demos/texobj demo of texture objects Changes: - major internal changes for thread-safeness - new device driver interface - MESA_ALPHA env variable removed - triangle rasterizer replaces polygon rasterizer Bug fixes: - glPopAttrib() bug - glDrawBuffer(GL_NONE) works now 2.1 December 14, 1996 New: - VMS support - MS-DOS driver - OpenStep support - updated, combined Windows 95/NT driver - implemented glGetLighti() and glGetTexGen*() - GLX does garbage collection of ancillary buffers Bug fixes: - removed unused _EXT constants from gl.h - fixed polygon offset bugs - Z coordinates of clipped lines were incorrect - glEdgeFlag() in display lists didn't always work - glLight*() in display lists didn't work - fixed X line stipple bugs (Michael Pichler) - glXUseXfonts XFreeFont/XFreeFontInfo bug fixed - fixed a feedback bug - glTexGen*() now transforms GL_EYE_PLANE by inverse modelview matrix - polygons were sometimes culled instead of clipped - triangle rasterizer suffered from float/int overflow exceptions - fixed FP underflow exception in lighting (specular exponent) - glEnable/glDisable of GL_EXT_vertex_array enums didn't work - fixed free(NULL) in GLU tesselator code - using 24-bit color on some X servers resulted in garbage rendering - 32-bit per pixel mode for XFree86 now works - glRotate(a,0,0,0) gave unpredictable results - GL_LINE_STRIP with > 480 vertices had occasional clipping problems - 8-bit TrueColor GLXPixmap rendering incorrectly required a colormap - glMaterial() wasn't ignored when GL_COLOR_MATERIAL was enabled - glEnable(GL_COLOR_MATERIAL) followed by glColor() didn't work right - accumulation buffer was limited to positive values - projective textures didn't work - selection buffer overflows weren't handled correctly Changes: - restored the GL_EXT_polygon_offset extension - slightly faster RGB dithering - the SVGA driver works again - Amiga driver now distributed separately - NeXT driver updated for Mesa 2.x 2.2 March 14, 1997 New: - better color selection when dithering - added GL_EXT_texture_object extension - updated MS-DOS driver for DJGPP - added openbsd make configuration - faster dithered flat-shaded triangles - various compilation problems with Motif widgets fixed - gl.h, glx.h and glu.h name mangling option - BeOS driver - 3D texture mapping extension - GL_MESA_resize_buffers extension - morph3d, stex3d and spectex demos - 3Dfx support Bug fixes: - glColorMaterial should finally work right in all respects - linear interpolation of mipmap levels was incorrectly weighted - readpix.c didn't compile on Macintosh - GL_INVERT and related logic ops didn't work right - glTexImage[12]D() didn't check its parameters consistantly - fixed a memory leak in glTexImage[12]D() - kludged around a SunOS 5.x/GCC compiler bug in the feedback code - glReadPixels aborted instead of normally catching some errors - a few 1.1 constants were missing or misnamed in gl.h - glBegin(p); glBegin(q); didn't generate an error - fixed a memory leak in GLX code - clipping of concave polygons could cause a core dump - 1-component alpha texture maps didn't work - fixed a GLU polygon tesselator bug - polygons with colinear vertices were sometimes culled - feedback triangle colors were wrong when using smooth shading - textures with borders didn't work correctly - colors returned in feedback mode were wrong when using lighting - spotlights didn't effect ambient lighting correctly - gluPartialDisk() had a few bugs Changes: - device driver interface expanded to support texture mapping - faster matrix inversion subroutine - commented out #include "wmesa_extend.h" from src/wmesa.c - fixed many compiler warnings in the demo programs 2.3 June 30, 1997 New: - Mesa distribution divided into two pieces: library code and demos - faster vertex transformation, clip testing, lighting - faster line drawing - TrueColor visuals how have dithering (for depths < 24 bits) - added MESA_NO_DITHER environment variable - new device driver function: NearFar(), RenderVB(), RasterSetup() - added LynxOS configuration - added cygnus Win32 configuration - added texcyl.c GLUT demo - added XMesaDitherColor() to X/Mesa interface - new NURBS code from Bogdan Sikorski - added demos/shape.c (non-rectangular X window!) Bug fixes: - glEnable/DisableClientState() were missing from GL/gl.h - GL_SPHERE_MAP texcoord generation didn't work correctly - glXGetConfig() returned wrong number of depth, stencil, accum bits - glDrawPixels feedback/selection didn't examine RasterPos valid bit - black and white were reversed on some monochrome displays - fixed potential image memory leak (wasn't setting reference counter) - glDrawPixels sometimes didn't recognize some GL state changes - gluProject/UnProject() didn't check for divide by zero - stex3d demo called random() and srandom(), not portable - fixed memory leaks in context.c and drawpix.c - fixed NULL dereferencing problem in gl_update_texture_state() - glReadPixels between glBegin/glEnd didn't generate an error. - fixed memory leak in polygon tesselator (Randy Frank) - fixed seg fault bug drawing flat-shaded, depth-tested lines - clipped GL_TRIANGLE_STRIPs sometimes had wrong color when flat-shaded - glBindTexture sometimes didn't work - fixed a bug deep in glXReleaseBuffersMESA() - fog was mistakenly applied to alpha - glPopMatrix didn't set "dirty matrix" flag - glPolygonStipple pattern was sometimes wrong - glClear wasn't disabled during feedback and selection - fixed memory leak in glTexSubImage[123]D Changes: - many library source files reorganized - faster X color allocation, colors also freed when finished with them - new texture sampling function pointer in texture objects - incorporated 3Dfx VooDoo driver v0.16 into main source tree - many 3Dfx driver updates - cygnus Makefiles now included - updated DOS driver - made a few changes to dosmesa.c and wmesa.c (VB->Unclipped) - internally, colors now stored in GLubytes, not GLfixed - optimized changing of GL_SHININESS parameter 2.4 September 18, 1997 New: - updated 3Dfx Glide driver - hacks for 3Dfx rendering into an X window or fullscreen - added depth buffer access functions to X/Mesa and OS/Mesa interfaces Bug fixes: - pixel buffer could overflow with long, wide lines - fixed FP underflow problems in lighting - glTexSubImage1D() had an unitialized variable - incomplete texture objects could cause a segfault - glDrawPixels with GL_COMPILE_AND_EXECUTE caused infinite loop - flat-shaded quads in a strip were miscolored if clipped - mipmapped triangle lod computation now works correctly - fixed a few under/overflow bugs in triangle rasterizer - glArrayElement() assigned bad normal if normal array disabled - changed argument to glXReleaseBuffersMESA() - fixed small triangle underflow bugs in tritemp.h (hopefully) - glBindTexture(target, 0) caused a crash - glTexImage[123]D() with NULL image pointer caused crash - glPixelStore parameters are now ignored during display list execution - fixed a two-sided lighting w/ clipping bug (black vertices) - textures with width!=height were sometimes mis-rendered - "weird" projection matrices could cause div by 0, other fp errors Changes: - changed precompiled header symbol from PCH to PC_HEADER - split api.c into api1.c and api2.c - added hash.c source file (but not used yet) - a few Sun and HP configuration file changes - MESA_GLX_FX env var replaces MESA_FX_WINDOW and MESA_FX_FULLSCREEN - fixed a few cygnus build problems (src/Makefile.cygnus, src/wmesa.c) 2.5 November 20, 1997 New: - updated 3Dfx driver (v20) for GLQuake - added GL_EXT_paletted_texture extension - added GL_EXT_shared_texture_palette extension - added GL_EXT_point_parameters extension - now including Mark Kilgard's GLUT library v3.6 - new GLUT-based demos in gdemos/ - added a few more Unix config targets - added Intel X86 assembly language vertex transformation code - 3Dfx/Glide driver for Mesa now recognizes SST_SCREENREFRESH env var - Windows 95 S3 Virge driver Bug fixes: - glCopyTexImage?D would crash due to uninitialized variable - glColor w/ glColorMaterial in a display list caused a bug - fixed several glDrawPixels() and ReadPixels() bugs in 3Dfx driver - glVertex4*() vertices weren't always projected correctly - trying to use mipmapped textured points or lines caused crash - glColor[34][fd]() values now clamped to [0,1] before int conversion Changes: - new device driver functions for texture mapping - hash tables used for display list and texture object lookup - fixed GLX visual handling code to avoid saving redundant visuals - 3Dfx Glide libraries automatically linked to libMesaGL.so - dropped the Cirrus Logic Mondello code since it's obsolete - updated Cygnus Makefiles (Stephane Rehel) - updated Windows MSVC++ Makefiles (Oleg Letsinsky) - procedure for making library files has changed: scripts now take a major and minor version arguments. Make-config changed a lot. - new implementation of glTexSubImage2D() - updated widgets-mesa directory to create libMesaGLwM.a (Motif widget) - separate linux-glide and linux-386-glide configurations 2.6 February 12, 1998 New: - Windows WGL functions - updated VMS, DOS, Windows, Cygnus, BeOS, Amiga compilation support - v0.22 of 3Dfx Glide driver - more X86 assembly language optimizations - faster blending for some modes - XMesaSetFXmode() to switch between 3Dfx window and full-screen mode - added preliminary thread support - added GLX_MESA_copy_sub_buffer extension - some clipping optimizations Bug fixes: - fixed shading/material bug when drawing long primitive strips - fixed clipping problem in long primitive strips - fixed clipping bug when using 3Dfx driver - fixed a problem when trying to use X fonts w/ 3Dfx driver - fixed a texture filter bug in 3Dfx/Glide driver - fixed bug in 3Dfx/Glide driver involving depth mask & clearing - glLoadMatrix to set projection matrix confused the 3Dfx driver - non-identity texture matrices didn't work with linux-386 configs - glGenTextures() didn't reserve the returned texture IDs - NULL proxy image sent to glTexImageXD() caused crash - added texture state validation optimization (Henk Kok) - fixed colormap reuse problem when using both RGB and CI windows - 32bpp True/DirectColor X visuals weren't recognized - fixed potential problem in evaluators memory allocation - fixed assorted demo compilation bugs Changes: - replaced old Mesa/windows/ directory with Mesa/WIN32/ directory - converted a few old glaux/gltk demos to GLUT - renamed directories: demos -> xdemos, gdemos -> demos 3.0 September 17, 1998 New: - OpenGL 1.2 API - GL_EXT_abgr pixel format extension - GL_SGIS_texture_edge_clamp extension - GL_SGIS_multitexture extension (to be replaced by GL_ARB_multitex) - GL_EXT_multitexture extension (to be replaced by GL_ARB_multitex) - GL_EXT_rescale_normal extension and renormal.c demo - GLX_SGI_video_sync extension (a no-op) - antialiased lines - glGetTexImage() now implemented - glDraw/Copy/ReadPixels() optimizations - optimized textured triangle code (Marten Stromberg) - more optimization of dithered TrueColor triangles in X driver - Linux GGI driver - updated MGL driver Bug fixes: - lots of assorted compilation fixes - glInitNames didn't write initial hit record - glBitmap didn't always check for invalid raster position - switching between GLX and OSMesa contexts caused a crash - fixed uninitialized variable in Mesa widget code - fixed typo in texture code which caused book/texgen to crash - fixed texture sampling bug when filter=GL_LINEAR and wrap=GL_CLAMP - gluDisk() in POINT or LINE mode sometimes failed - fixed texture + fog bug - GL_COMPILE_AND_EXECUTE mode didn't work reliably - glMultMatrix in projection matrix mode w/ 3Dfx driver could fail - glDrawPixels(color index pixels) weren't converted to RGBA - fixed possible getenv() buffer overflow security bug - glBitmap in feedback mode was offset by xOrig, yOrig params - device driver's DrawPixels hook was never used - glDrawPixels with zoomY!=1 and top/bottom clipping didn't work - glDrawPixels optimized for GL_LUMINANCE, GL_LUMINANCE_ALPHA, GLubyte - fixed MakeCurrent bug in GLwRedrawObjects() in MesaWorkstation.c - glCopyTexSubImage2D() didn't work with 3Dfx driver - lines with width = 2 could cause crash - glClear with scissor rect sometimes cleared whole buffer - glTexSubImage2D( .. GL_COLOR_INDEX .. ) didn't work - glTexImageXD( .. GL_ABGR_EXT .. ) didn't work - computation of inverse modelview matrix sometimes failed - fixed GL_CLAMP mode texture sampling bug - textured line interpolation was somewhat broken - textured triangle interpolation was also somewhat broken - glGet(MODELVIEW/PROJECTION/TEXTURE_MATRIX_STACK_DEPTH) off by one - evaluator state wasn't fully initialized - texture coordinate clipping was buggy - evaluator surfaces could be mis-colored - glAccum(GL_RETURN, s) didn't obey glColorMask() settings - zero area polygons shouldn't be culled if polygon mode is point/line - clipped width and height of glReadPixels was sometimes off by one - blending with alpha = 0 or 1.0 wasn't always exact - reading of pixels from clipped region was buggy - minor tweaking of X visual management in GLX emulator - glPolygonStipple now obeys pixel unpacking parameters - glGetPolygonStipple now obeys pixel packing parameters - interleaved vertex array texture coordinates were broken - query of proxy texture internal format was broken - alpha channel wasn't reliably cleared - fixed divide by zero error in gluScaleImage if dest size = 1 x 1 Conformance bug fixes: - GL_SELECTION_BUFFER_POINTER and GL_SELECTION_BUFFER_SIZE were missing - GL_TEXTURE_INTERNAL_FORMAT was missing - glGet*(GL_POLYGON_STIPPLE) was broken - glPush/PopAttrib() didn't save/restore all texture state - glBitmap in feedback mode didn't work - feedback of texture coords didn't always work - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLbyte was broke - glDrawPixels w/ format=GL_DEPTH_COMPONENT, type=GLubyte was broke - glDrawPixels w/ format=GL_STENCIL_INDEX, type=GL_BITMAP was broke Changes: - upgraded GLUT to version 3.7 - only GL and GLU library code included in MesaLib.tar.gz - GLUT and all demos now in MesaDemos.tar.gz - glaux and gltk libraries removed - IRIX -n32 and -64 libs go in lib32/ and lib64/ directories 3.1 beta 1 November 19, 1998 New: - GL_EXT_stencil_wrap extension - GL_INGR_blend_func_separate extension - GL_ARB_multitexture extension - GL_NV_texgen_reflection extension - newly optimized vertex transformation code - updated GLUT 3.7 code - better precision when using 32-bit Z buffer - Allegro DJGPP driver Bug fixes: - glCopyPixels between front/back buffers didn't copy alpha correctly - fixed out-of-bounds memory access in optimized 2-D texture code - glPixelStorei didn't accept GL_PACK/UNPACK_IMAGE_HEIGHT parameter - glGet*() didn't accept GL_MAX_3D_TEXTURE_SIZE parameter - clipping of texture coordinates sometimes had bad R,Q values - GL_CLAMP_TO_EDGE texture sampling was off by 0.5 texels - glEdgeFlagPointer() now takes a GLvoid * instead of GLboolean * - texture was sometimes applied twice with 3Dfx driver - glPush/PopAttrib() fouled up texture object reference counts - glDeleteLists(0, n) caused assertion failure - bilinear texture sampling wasn't accurate enough - glClear w/ glDepthMask(GL_FALSE) didn't work right on 3Dfx - color components were reversed on big endian 32 bpp X visuals Changes: - removed GL_EXT_multitexture extension 3.1 beta 2 May 24, 1999 New: - multi-textured points and lines (mjk@nvidia.com) - optimized 24bpp X rendering (bernd.paysan@gmx.de) - added allegro support (bernie-t@geocities.com) - cleaned-up Windows-related stuff (Ted Jump) - minor stereo changes (KendallB@scitechsoft.com) - new BeOS driver which implements BGLView class - new Direct3D driver (see src/D3D) - more efficient filled gluCylinder() function - utilities: util/showbuffer.[ch] and util/glstate.[ch] - fixed some IRIX compiler warnings - added support for building Mesa in XFree86 with SGI's GLX (kevin@precisioninsight.com) Bug fixes: - a variety of Windows/Mesa bug fixes (mjk@nvidia.com) - packed pixel images weren't unpacked correctly - patches some win32 files in GLUT (mjk@nvidia.com) - glTexImage[123]D() didn't accept internalFormat == GL_COLOR_INDEX - fixed lighting bug in Keith's new shading code - fixed texture segfault seen in Lament screensaver - fixed miscellaneous low-memory bugs - glClear(GL_COLOR_BUFFER_BIT) with RGBA or CI masking was broken - GL_LINEAR sampling of 3D textures was broken - fixed SVR4 'cc' compiler macro problem (dawes@xfree86.org) - added GL_TEXTURE_PRIORITY fix (keithh@netcomuk.co.uk) - fixed wide point and wide line conformance bugs (brianp) Changes: - some device driver changes (see src/dd.h) - new copyright on core Mesa code 3.1 beta 3 September 17, 1999 New: - optimized glAccum function - optimized 24bpp rendering in XMesa driver - GLU 1.2 polygon tessellator Bug Fixes: - glGetTexLevelParameter wasn't fully implemented - glXUseXFont now handles multi-byte fonts - glIsEnabled(GL_TEXTURE_2D / 3D) returned wrong result - alpha channel of blending points, lines was sometimes incorrect Changes: - New library names: "libGL" instead of "libMesaGL" - New library numbering: libGL.so.1.2.310 - New subdirectories: docs/ and bin/ - New Makefile-system (autoconf,automake,libtool) 3.1 final December 14, 1999 New: - added demos/gloss.c - added xdemos/glxdpyinfo.c - added GLX_ARB_get_proc_address extension - rewritten glTexImage code paths (faster, less memory, bug fixes) Bug Fixes: - several vertex array bug fixes - overlapping glCopyPixels with pixel zooming now works - glXUseXFont() bitmaps were vertically shifted by one pixel - glCopyPixels with pixel zooming now works 3.2 final April 24, 2000 Bug fixes: - fixed memcpy bugs in span.c - fixed missing glEnd problem in demos/tessdemo.c - fixed bug when clearing 24bpp Ximages - fixed clipping problem found in Unreal Tournament - fixed Loki's "ice bug" and "crazy triangles" seen in Heretic2 - fixed Loki's 3dfx RGB vs BGR bug - fixed Loki's 3dfx smooth/flat shading bug in SoF Changes: - updated docs/README file - use bcopy() optimizations on FreeBSD - re-enabled the optimized persp_textured_triangle() function 3.2.1 July 19, 2000 Bug fixes: - gluBuild2DMipmaps() didn't accept GL_BGRA - Fixed compile/makefile problems on IRIX - fixed segfault in 3dfx driver when using GL selection/feedback - no longer cull very, very tiny triangles - blending w/ drawbuffer==GL_FRONT_BACK caused segfault (sw rendering) - fixed Motif detection code in widgets-mesa/configure.in - glColorMaterial and glMaterial updates to emissive and ambient didn't always work right - Specular highlights weren't always in the right place - clipped GL_LINE mode polygons had interior lines appear - blend term GL_ONE_MINUS_CONSTANT_ALPHA was broken - GL_NICEST fog didn't always work with flat shading - glRect commands in display lists were sometimes miscolored - Line Z offset didn't always work - fixed texgen normal vector problem (gloss's teapot) - numerous GL conformance bugs fixed Changes: - glColorMask(false, false, false, false) handled better/faster - reverted to old GLU polygon tessellator, GLU 1.1 - updated Win32 build files 3.3 July 21, 2000 New: - antialiased triangles now implemented - GL_EXT_texture_env_add texture mode extension - GLX 1.3 API - support for separate draw/read buffers (ie GL_SGI_make_current_read) - thread-safe API dispath - improved glxinfo program - demos/texdown program to measure texture download performance - glext.h header file - demos/geartrain program - GL_EXT_texture_lod_bias extension - demos/lodbias program - further optimized glRead/DrawPixels for 16-bit TrueColor X visuals - GLX_EXT_visual_rating extension (a no-op, however) - GL_HP_occlusion_test extension (for X and OS/Mesa drivers) - demos/occlude program - GL_SGIS_pixel_texture and GL_SGIX_pixel_texture extensions - demos/pixeltex program - GL_SGI_color_matrix extension - GL_SGI_color_table extension - GL_EXT_histogram extension - GL_ARB_texture_cube_map extension - added xdemos/glxheads and xdemos/manywin - demos/texenv.c demo - GL_EXT_texture_env_combine extension (by Holger Waechtler) - Xlib driver is now thread-safe (see xdemos/glthreads) Bug Fixes: - various GL conformance failures fixed since 3.2.1 Changes: - gl.h now uses #defines instead of C enums for all tokens - glu.h now uses #defines instead of C enums for all tokens - moved programs from 3Dfx/demos/ into demos/ directory 3.4 November 3, 2000 New: - optimized glDrawPixels for glPixelZoom(1,-1) Bug Fixes: - widgets-mesa/src/*.c files were missing from 3.3 distro - include/GL/mesa_wgl.h file was missing from 3.3 distro - fixed some Win32 compile problems - texture object priorities weren't getting initialized to 1.0 - glAreTexturesResident return value was wrong when using hardware - glXUseXFont segfaulted when using 3dfx driver (via MESA_GLX_FX) - glReadPixels with GLushort packed types was broken - fixed a few bugs in the GL_EXT_texture_env_combine texture code - glPush/PopAttrib(GL_ENABLE_BIT) mishandled multi-texture enables - fixed some typos/bugs in the VB code - glDrawPixels(GL_COLOR_INDEX) to RGB window didn't work - optimized glDrawPixels paths weren't being used - per-fragment fog calculation didn't work without a Z buffer - improved blending accuracy, fixes Glean blendFunc test failures - glPixelStore(GL_PACK/UNPACK_SKIP_IMAGES) wasn't handled correctly - glXGetProcAddressARB() didn't always return the right address - gluBuild[12]DMipmaps() didn't grok the GL_BGR pixel format - texture matrix changes weren't always detected (GLUT projtex demo) - fixed random color problem in vertex fog code - fixed Glide-related bug that let Quake get a 24-bit Z buffer Changes: - finished internal support for compressed textures for DRI 3.4.1 February 14, 2001 New: - fixed some Linux build problems - fixed some Windows build problems - GL_EXT_texture_env_dot3 extension (Gareth Hughes) Bug fixes: - added RENDER_START/RENDER_FINISH macros for glCopyTexImage in DRI - various state-update code changes needed for DRI bugs - disabled pixel transfer ops in glColorTable commands, not needed - fixed bugs in glCopyConvolutionFilter1D/2D, glGetConvolutionFilter - updated sources and fixed compile problems in widgets-mesa/ - GLX_PBUFFER enum value was wrong in glx.h - fixed a glColorMaterial lighting bug - fixed bad args to Read/WriteStencilSpan in h/w stencil clear function - glXCopySubBufferMESA() Y position was off by one - Error checking of glTexSubImage3D() was broken (bug 128775) - glPopAttrib() didn't restore all derived Mesa state correctly - Better glReadPixels accuracy for 16bpp color - fixes lots of OpenGL conformance problems at 16bpp. - clearing depth buffer with scissoring was broken, would segfault - OSMesaGetDepthBuffer() returned bad bytesPerValue value - fixed a line clipping bug (reported by Craig McDaniel) - fixed RGB color over/underflow bug for very tiny triangles Known problems: - NURBS or evaluator surfaces inside display lists don't always work 3.4.2 May 17, 2001 Bug fixes: - deleting the currently bound texture could cause bad problems - using fog could result in random vertex alpha values - AA triangle rendering could touch pixels outside right window bound - fixed byteswapping problem in clear_32bit_ximage() function - fixed bugs in wglUseFontBitmapsA(), by Frank Warmerdam - fixed memory leak in glXUseXFont() - fragment sampling in AA triangle function was off by 1/2 pixel - Windows: reading pixels from framebuffer didn't always work - glConvolutionFilter2D could segfault or cause FP exception - fixed segfaults in FX and X drivers when using tex unit 1 but not 0 - GL_NAND logicop didn't work right in RGBA mode - fixed a memory corruption bug in vertex buffer reset code - clearing the softwara alpha buffer with scissoring was broken - fixed a few color index mode fog bugs - fixed some bad assertions in color index mode - fixed FX line 'stipple' bug #420091 - fixed stencil buffer clear width/height typo - fixed GL error glitches in gl[Client]ActiveTextureARB() - fixed Windows compilation problem in texutil.c - fixed 1/8-pixel AA triangle sampling error Changes: - optimized writing mono-colored pixel spans to X pixmaps - increased max viewport size to 2048 x 2048 3.5 June 21, 2001 New: - internals of Mesa divided into modular pieces (Keith Whitwell) - 100% OpenGL 1.2 conformance (passes all conformance tests) - new AA line algorithm - GL_EXT_convolution extension - GL_ARB_imaging subset - OSMesaCreateContextExt() function - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) - GL_MAX_TEXTURE_UNITS_ARB now defaults to eight - GL_EXT_fog_coord extension (Keith Whitwell) - GL_EXT_secondary_color extension (Keith Whitwell) - GL_ARB_texture_env_add extension (same as GL_EXT_texture_env_add) - GL_SGIX_depth_texture extension - GL_SGIX_shadow and GL_SGIX_shadow_ambient extensions - demos/shadowtex.c demo of GL_SGIX_depth_texture and GL_SGIX_shadow - GL_ARB_texture_env_combine extension - GL_ARB_texture_env_dot3 extension - GL_ARB_texture_border_clamp (aka GL_SGIS_texture_border_clamp) - OSMesaCreateContextExt() function - libOSMesa.so library, contains the OSMesa driver interface - GL/glxext.h header file for GLX extensions - somewhat faster software texturing, fogging, depth testing - all color-index conformance tests now pass (only 8bpp tested) - SPARC assembly language TCL optimizations (David Miller) - GL_SGIS_generate_mipmap extension Bug Fixes: - fbiRev and tmuRev were unitialized when using Glide3 - fixed a few color index mode conformance failures; all pass now - now appling antialiasing coverage to alpha after texturing - colors weren't getting clamped to [0,1] before color table lookup - fixed RISC alignment errors caused by COPY_4UBV macro - drawing wide, flat-shaded lines could cause a segfault - vertices now snapped to 1/16 pixel to fix rendering of tiny triangles Changes: - SGI's Sample Implementation (SI) 1.3 GLU library replaces Mesa GLU - new libOSMesa.so library, contains the OSMesa driver interface 4.0 October 22, 2001 New: - Mesa 4.0 implements the OpenGL 1.3 specification - GL_IBM_rasterpos_clip extension - GL_EXT_texture_edge_clamp extension (aka GL_SGIS_texture_edge_clamp) - GL_ARB_texture_mirrored_repeat extension - WindML UGL driver (Stephane Raimbault) - added OSMESA_MAX_WIDTH/HEIGHT queries - attempted compiliation fixes for Solaris 5, 7 and 8 - updated glext.h and glxext.h files - updated Windows driver (Karl Schultz) Bug fixes: - added some missing GLX 1.3 tokens to include/GL/glx.h - GL_COLOR_MATRIX changes weren't recognized by teximage functions - glCopyPixels with scale and bias was broken - glRasterPos with lighting could segfault - glDeleteTextures could leave a dangling pointer - Proxy textures for cube maps didn't work - fixed a number of 16-bit color channel bugs - fixed a few minor memory leaks - GLX context sharing was broken in 3.5 - fixed state-update bugs in glPopClientAttrib() - fixed glDrawRangeElements() bug - fixed a glPush/PopAttrib() bug related to texture binding - flat-shaded, textured lines were broken - fixed a dangling pointer problem in the XMesa code (Chris Burghart) - lighting didn't always produce the correct alpha value - fixed 3DNow! code to not read past end of arrays (Andrew Lewycky) 4.0.1 December 17, 2001 New: - better sub-pixel sample positions for AA triangles (Ray Tice) - slightly faster blending for (GL_ZERO, GL_ONE) and (GL_ONE, GL_ZERO) Bug fixes: - added missing break statements in glGet*() for multisample cases - fixed uninitialized hash table mutex bug (display lists / texobjs) - fixed bad teximage error check conditional (bug 476846) - fixed demos readtex.c compilation problem on Windows (Karl Schultz) - added missing glGet() query for GL_MAX_TEXTURE_LOD_BIAS_EXT - silence some compiler warnings (gcc 2.96) - enable the #define GL_VERSION_1_3 in GL/gl.h - added GL 1.3 and GLX 1.4 entries to gl_mangle.h and glx_mangle.h - fixed glu.h typedef problem found with MSDev 6.0 - build libGL.so with -Bsymbolic (fixes bug found with Chromium) - added missing 'const' to glXGetContextIDEXT() in glxext.h - fixed a few glXGetProcAddress() errors (texture compression, etc) - fixed start index bug in compiled vertex arrays (Keith) - fixed compilation problems in src/SPARC/glapi_sparc.S - fixed triangle strip "parity" bug found in VTK medical1 demo (Keith) - use glXGetProcAddressARB in GLUT to avoid extension linking problems - provoking vertex of flat-shaded, color-index triangles was wrong - fixed a few display list bugs (GLUT walker, molecule, etc) (Keith) - glTexParameter didn't flush the vertex buffer (Ray Tice) - feedback attributes for glDraw/CopyPixels and glBitmap were wrong - fixed bug in normal length caching (ParaView lighting bug) - fixed separate_specular color bug found in Chimera (18 Dec 2001) 4.0.2 April 2, 2002 New: - New DOS (DJGPP) driver written by Daniel Borca - New driver interface functions for TCL drivers (such as Radeon DRI) - GL_RENDERER string returns "Mesa Offscreen16" or "Mesa Offscreen32" if using deep color channels - latest GL/glext.h and GL/glxext.h headers from SGI Bug fixes: - GL_BLEND with non-black texture env color wasn't always correct - GL_REPLACE with GL_RGB texture format wasn't always correct (alpha) - glTexEnviv( pname != GL_TEXTURE_ENV_COLOR ) was broken - glReadPixels was sometimes mistakenly clipped by the scissor box - glDraw/ReadPixels didn't catch all the errors that they should have - Fixed 24bpp rendering problem in Windows driver (Karl Schultz) - 16-bit GLchan mode fixes (m_trans_tmp.h, s_triangle.c) - Fixed 1-bit float->int conversion bug in glDrawPixels(GL_DEPTH_COMP) - glColorMask as sometimes effecting glXSwapBuffers() - fixed a potential bug in XMesaGarbageCollect() - N threads rendering into one window didn't work reliably - glCopyPixels didn't work for deep color channels - improved 8 -> 16bit/channel texture image conversion (Gerk Huisma) - glPopAttrib() didn't correctly restore user clip planes - user clip planes failed for some perspective projections (Chromium) Known bugs: - mipmap LOD computation 4.0.3 June 25, 2002 New: - updated GL/glext.h file (version 15) - corrected MMX blend code (Jose Fonseca) - support for software-based alpha planes in Windows driver - updated GGI driver (Filip Spacek) Bug fixes: - glext.h had wrong values for GL_DOT3_RGB[A]_EXT tokens - OSMesaMakeCurrent() didn't recognize buffer size changes - assorted conformance fixes for 16-bit/channel rendering - texcombine alpha subtraction mode was broken - fixed lighting bug with non-uniform scaling and display lists - fixed bug when deleting shared display lists - disabled SPARC cliptest assembly code (Mesa bug 544665) - fixed a couple Solaris compilation/link problems - blending clipped glDrawPixels didn't always work - glGetTexImage() didn't accept packed pixel types - glPixelMapu[is]v() could explode given too large of pixelmap - glGetTexParameter[if]v() didn't accept GL_TEXTURE_MAX_ANISOTROPY_EXT - glXCopyContext() could lead to segfaults - glCullFace(GL_FRONT_AND_BACK) didn't work (bug 572665) Changes: - lots of C++ (g++) code clean-ups - lots of T&L updates for the Radeon DRI driver Known bugs: - mipmap LOD computation (fixed for Mesa 4.1) 4.0.4 October 3, 2002 New: - GL_NV_texture_rectangle extension - updated glext.h header (version 17) - updated DOS driver (Daniel Borca) - updated BeOS R5 driver (Philippe Houdoin) - added GL_IBM_texture_mirror_repeat - glxinfo now takes -l option to print interesting OpenGL limits info - GL_MESA_ycbcr_texture extension - GL_APPLE_client_storage extension (for some DRI drivers only) - GL_MESA_pack_invert extension Bug fixes: - fixed GL_LINEAR fog bug by adding clamping - fixed FP exceptions found using Alpha CPU - 3dfx MESA_GLX_FX=window (render to window) didn't work - fixed memory leak in wglCreateContest (Karl Schultz) - define GLAPIENTRY and GLAPI if undefined in glu.h - wglGetProcAddress didn't handle all API functions - when testing for OpenGL 1.2 vs 1.3, check for GL_ARB_texture_cube_map - removed GL_MAX_CONVOLUTION_WIDTH/HEIGHT from glGetInteger/Float/etc() - error checking in compressed tex image functions had some glitches - fixed AIX compile problem in src/config.c - glGetTexImage was using pixel unpacking instead of packing params - auto-mipmap generation for cube maps was incorrect Changes: - max texture units reduced to six to accommodate texture rectangles - removed unfinished GL_MESA_sprite_point extension code 4.1 October 29, 2002 New: - GL_NV_vertex_program extension - GL_NV_vertex_program1_1 extension - GL_ARB_window_pos extension - GL_ARB_depth_texture extension - GL_ARB_shadow extension - GL_ARB_shadow_ambient extension - GL_EXT_shadow_funcs extension - GL_ARB_point_parameters extension - GL_ARB_texture_env_crossbar - GL_NV_point_sprite extension - GL_NV_texture_rectangle extension - GL_EXT_multi_draw_arrays extension - GL_EXT_stencil_two_side extension - GLX_SGIX_fbconfig and GLX_SGIX_pbuffer extensions - GL_ATI_texture_mirror_once extension (Ian Romanick) - massive overhaul/simplification of software rasterizer module, many contributions from Klaus Niederkrueger - faster software texturing in some cases (i.e. trilinear filtering) - new OSMesaGetProcAddress() function - more blend modes implemented with MMX code (Jose Fonseca) - added glutGetProcAddress() to GLUT - added GLUT_FPS env var to compute frames/second in glutSwapBuffers() - pbinfo and pbdemo PBuffer programs - glxinfo -v prints transprent pixel info (Gerd Sussner) Bug fixes: - better mipmap LOD computation (prevents excessive blurriness) - OSMesaMakeCurrent() didn't recognize buffer size changes - assorted conformance fixes for 16-bit/channel rendering - texcombine alpha subtraction mode was broken - fixed some blend problems when GLchan==GLfloat (Gerk Huisma) - clamp colors to [0,inf] in OSMesa if GLchan==GLfloat (Gerk Huisma) - fixed divide by zero error in NURBS tessellator (Jon Perry) - fixed GL_LINEAR fog bug by adding clamping - fixed FP exceptions found using Alpha CPU - 3dfx/glide driver render-to-window feature was broken - added missing GLX_TRANSPARENT_RGB token to glx.h - fixed error checking related to paletted textures - fixed reference count error in glDeleteTextures (Randy Fayan) Changes: - New spec file and Python code to generate some GL dispatch files - Glide driver defaults to "no" with autoconf/automake - updated demos/stex3d with new options 5.0 November 13, 2002 New: - OpenGL 1.4 support (glGetString(GL_VERSION) returns "1.4") - removed some overlooked debugging code - glxinfo updated to support GLX_ARB_multisample - GLUT now support GLX_ARB_multisample - updated DOS driver (Daniel Borca) Bug fixes: - GL_POINT and GL_LINE-mode polygons didn't obey cull state - fixed potential bug in _mesa_align_malloc/calloc() - fixed missing triangle bug when running vertex programs - fixed a few HPUX compilation problems - FX (Glide) driver didn't compile - setting GL_TEXTURE_BORDER_COLOR with glTexParameteriv() didn't work - a few EXT functions, like glGenTexturesEXT, were no-ops - a few OpenGL 1.4 functions like glFogCoord*, glBlendFuncSeparate, glMultiDrawArrays and glMultiDrawElements were missing - glGet*(GL_ACTIVE_STENCIL_FACE_EXT) was broken - Pentium 4 Mobile was mistakenly identified as having 3DNow! - fixed one-bit error in point/line fragment Z calculation - fixed potential segfault in fakeglx code - fixed color overflow problem in DOT3 texture env mode 5.0.1 March 30, 2003 New: - DOS driver updates from Daniel Borca - updated GL/gl_mangle.h file (Bill Hoffman) Bug fixes: - auto mipmap generation for cube maps was broken (bug 641363) - writing/clearing software alpha channels was unreliable - minor compilation fixes for OS/2 (Evgeny Kotsuba) - fixed some bad assertions found with shadowtex demo - fixed error checking bug in glCopyTexSubImage2D (bug 659020) - glRotate(angle, -x, 0, 0) was incorrect (bug 659677) - fixed potential segfault in texture object validation (bug 659012) - fixed some bogus code in _mesa_test_os_sse_exception_support (Linus) - fix fog stride bug in tnl code for h/w drivers (Michel Danzer) - fixed glActiveTexture / glMatrixMode(GL_TEXTURE) bug (#669080) - glGet(GL_CURRENT_SECONDARY_COLOR) should return 4 values, not 3 - fixed compilation problem on Solaris7/x86 (bug 536406) - fixed prefetch bug in 3DNow! code (Felix Kuhling) - fixed NeXT build problem (FABSF macro) - glDrawPixels Z values when glPixelZoom!=1 were invalid (bug 687811) - zoomed glDraw/CopyPixels with clipping sometimes failed (bug 689964) - AA line and triangle Z values are now rounded, not truncated - fixed color interpolation bug when GLchan==GLfloat (bug 694461) - glArePrograms/TexturesResident() wasn't 100% correct (Jose Fonseca) - fixed a minor GL_COLOR_MATERIAL bug - NV vertex program EXP instruction was broken - glColorMask misbehaved with X window / pixmap rendering - fix autoconf/libtool GLU C++ linker problem on Linux (a total hack) - attempt to fix GGI compilation problem when MesaDemos not present - NV vertex program ARL-relative fetches didn't work Changes: - use glPolygonOffset in gloss demo to avoid z-fighting artifacts - updated winpos and pointblast demos to use ARB extensions - disable SPARC normal transformation code (bug 673938) - GLU fixes for OS/2 (Evgeny Kotsuba) 5.0.2 September 5, 2003 Bug fixes: - fixed texgen problem causing texcoord's Q to be zero (stex3d) - default GL_TEXTURE_COMPARE_MODE_ARB was wrong - GL_CURRENT_MATRIX_NV query was wrong - GL_CURRENT_MATRIX_STACK_DEPTH_NV query was off by one - GL_LIST_MODE query wasn't correct - GL_FOG_COORDINATE_SOURCE_EXT query wasn't supported - GL_SECONDARY_COLOR_ARRAY_SIZE_EXT query returned wrong value - blended, wide lines didn't always work correctly (bug 711595) - glVertexAttrib4svNV w component was always 1 - fixed bug in GL_IBM_rasterpos_clip (missing return) - GL_DEPTH_TEXTURE_MODE = GL_ALPHA didn't work correctly - a few Solaris compilation fixes - fixed glClear() problem for DRI drivers (non-existant stencil, etc) - fixed int/REAL mixup in GLU NURBS curve evaluator (Eric Cazeaux) - fixed delete [] bug in SI GLU (bug 721765) (Diego Santa Cruz) - glFog() didn't clamp fog colors - fixed bad float/int conversion for GL_TEXTURE_PRIORITY in the gl[Get]TexParameteri[v] functions - fixed invalid memory references in glTexGen functions (bug 781602) - integer-valued color arrays weren't handled correctly - glDrawPixels(GL_DEPTH_COMPONENT) with glPixelZoom didn't work - GL_EXT_texture_lod_bias is part of 1.4, overlooked in 5.0.1 Changes: - build GLUT with -fexceptions so C++ apps propogate exceptions 5.1 December 17, 2003 New: - reorganized directory tree - GL_ARB_vertex/fragment_program extensions (Michal Krol & Karl Rasche) - GL_ATI_texture_env_combine3 extension (Ian Romanick) - GL_SGI_texture_color_table extension (Eric Plante) - GL_NV_fragment_program extension - GL_NV_light_max_exponent extension - GL_EXT_texture_rectangle (identical to GL_NV_texture_rectangle) - GL_ARB_occlusion_query extension - GL_ARB_point_sprite extension - GL_ARB_texture_non_power_of_two extension - GL_IBM_multimode_draw_arrays extension - GL_EXT_texture_mirror_clamp extension (Ian Romanick) - GL_ARB_vertex_buffer_object extension - new X86 feature detection code (Petr Sebor) - less memory used for display lists and vertex buffers - demo of per-pixel lighting with a fragment program (demos/fplight.c) - new version (18) of glext.h header - new spriteblast.c demo of GL_ARB_point_sprite - faster glDrawPixels in X11 driver in some cases (see RELNOTES-5.1) - faster glCopyPixels in X11 driver in some cases (see RELNOTES-5.1) Bug fixes: - really enable OpenGL 1.4 features in DOS driver. - fixed issues in glDrawPixels and glCopyPixels for very wide images - glPixelMapf/ui/usv()'s size parameter is GLsizei, not GLint - fixed some texgen bugs reported by Daniel Borca - fixed wglMakeCurrent(NULL, NULL) bug (#835861) - fixed glTexSubImage3D z-offset bug (Cedric Gautier) - fixed RGBA blend enable bug (Ville Syrjala) - glAccum is supposed to be a no-op in selection/feedback mode - fixed texgen bug #597589 (John Popplewell) Changes: - dropped API trace feature (src/Trace/) - documentation overhaul. merged with website content. more html. - glxgears.c demo updated to use GLX swap rate extensions - glTexImage1/2/3D now allows width/height/depth = 0 - disable SPARC asm code on Linux (bug 852204) 6.0 January 16, 2004 New: - full OpenGL 1.5 support - updated GL/glext.h file to version 21 Changes: - changed max framebuffer size to 4Kx4K (MAX_WIDTH/HEIGHT in config.h) Bug fixes: - fixed bug in UNCLAMPED_FLOAT_TO_UBYTE macro; solves a color clamping issue - updated suno5-gcc configs - glColor3 functions sometimes resulted in undefined alpha values - fixed FP divide by zero error seen on VMS with xlockmore, others - fixed vertex/fragment program debug problem (bug 873011) - building on AIX with gcc works now - glDeleteProgramsARB failed for ARB fragment programs (bug 876160) - glDrawRangeElements tried to modify potentially read-only storage - updated files for building on Windows 6.0.1 April 2, 2004 New: - upgraded glext.h to version 22 - new build targets (Dan Schikore) - new linux-x86-opteron build target (Heath Feather) Bug fixes: - glBindProgramARB didn't update all necessary state - fixed build problems on OpenBSD - omit CVS directories from tarballs - glGetTexImage(GL_COLOR_INDEX) was broken - fixed an infinite loop in t&l module - silenced some valgrind warnings about using unitialized memory - fixed some compilation/link glitches on IRIX (Mike Stephens) - glBindProgram wasn't getting compiled into display lists - GLX_FBCONFIG_ID wasn't recognized in glXChooseFBConfig() (bug 888079) - two-sided lighting and vertex program didn't work (bug 887330) - stores to program parameter registers in vertex state programs didn't work. - fixed glOrtho bug found with gcc 3.2.2 (RH9) - glXCreateWindow() wasn't fully implemented (bug 890894) - generic vertex attribute arrays didn't work in display lists - vertex buffer objects' default usage and access fields were wrong - glDrawArrays with start!=0 was broken - fragment program PK2H, UP2H, UP4B and UP4UB instructions were broken - linux-osmesa16-static config didn't work - fixed a few color index rendering problems (bug 910687) - glInterleavedArrays didn't respect GL_CLIENT_ACTIVE_TEXTURE - OSMesa RGB and BGR modes were broken - glProgramStringARB mistakenly required a null-terminated string - fragment program XPD instruction was incorrect - glGetMaterial() didn't work reliably - ARB_fragment_program KIL instruction was incorrect 6.1 August 18, 2004 New: - Revamped Makefile system - glXUseRotatedXFont() utility (see xdemos/xuserotfont.c) - internal driver interface changes related to texture object allocation, vertex/fragment programs, BlendEquationSeparate, etc. - option to walk triangle edges with double-precision floats (Justin Novosad of Discreet) (see config.h file) - support for AUX buffers in software GLX driver - updated glext.h to version 24 and glxext.h to version 6 - new MESA_GLX_FORCE_ALPHA and MESA_GLX_DEPTH_BITS env vars - updated BeOS support (Philippe Houdoin) Changes: - fragment fog interpolation is perspective corrected now - new glTexImage code, much cleaner, may be a bit faster Bug fixes: - glArrayElement in display lists didn't handle generic vertex attribs - glFogCoord didn't always work properly - ARB_fragment_program fog options didn't work - frag prog TEX instruction no longer incorrectly divides s,t,r by q - ARB frag prog TEX and TEXP instructions now use LOD=0 - glTexEnviv in display lists didn't work - glRasterPos didn't do texgen or apply texture matrix - GL_DOUBLE-valued vertex arrays were broken in some cases - fixed texture rectangle edge/border sampling bugs - sampling an incomplete texture in a fragment program would segfault - glTexImage was missing a few error checks - fixed some minor glGetTexParameter glitches - GL_INTENSITY was mistakenly accepted as a <format> to glTexImage - fragment program writes to RC/HC register were broken - fixed a few glitches in GL_HP_occlusion_test extension - glBeginQueryARB and glEndQueryARB didn't work inside display lists - vertex program state references were broken - fixed triangle color interpolation bug on AIX (Shane Blackett) - fixed a number of minor memory leaks (bug #1002030) 6.2 October 2, 2004 New: - enabled GL_ARB_texture_rectangle (same as GL_NV_texture_rectangle) - updated Doxygen support (Jose Fonseca) Changes: - some GGI driver updates (Christoph Egger, bug 1025977) Bug fixes: - Omit GL_ARB_texture_non_power_of_two from list of OpenGL 1.5 features - fixed a few compilation issues on IRIX - fixed a matrix classification bug (reported by Wes Bethel) - we weren't reseting the vertex/fragment program error state before parsing (Dave Reveman) - adjust texcoords for sampling texture rectangles (Dave Reveman) - glGet*(GL_MAX_VERTEX_ATTRIBS_ARB) wasn't implemented - repeated calls to glDeleteTexture(t) could lead to a crash - fixed potential ref count bugs in VBOs and vertex/fragment programs - spriteblast demo didn't handle window size changes correctly - glTexSubImage didn't handle pixels=NULL correctly for PBOs - fixed color index mode glDrawPixels bug (Karl Schultz) 6.2.1 December 9, 2004 Bug fixes: - don't apply regular fog or color sum when using a fragment program - glProgramEnvParameter4fARB always generated an error on GL_FRAGMENT_PROGRAM_ARB (fdo bug 1645) - glVertexAttrib3svNV and glVertexAttrib3svARB were broken - fixed width/height mix-up in glSeparableFilter2D() - fixed regression in glCopyPixels + convolution - glReadPixels from a clipped front color buffer didn't always work - glTexImage didn't accept GL_RED/GREEN/BLUE as the format - Attempting queries/accesses of VBO 0 weren't detected as errors - paletted textures failed if the palette had fewer than 256 entries Changes: - fixed a bunch of compiler warnings found with gcc 3.4 - bug reports should to go bugzilla.freedesktop.org 6.3 July 20, 2005 New: - GL_EXT_framebuffer_object extension - GL_ARB_draw_buffers extension - GL_ARB_pixel_buffer_object extension - GL_OES_read_format extension (Ian Romanick) - DirectFB driver (Claudio Ciccani) - x86_64 vertex transformation code (Mikko T.) - Updated GL/glext.h to version 29 Changes: - added -stereo option for glxgears demo (Jacek Rosik) - updated the PBuffer demo code in xdemos/ directory - glDeleteTextures/Programs/Buffers() now makes the object ID available for immediate re-use - assorted 64-bit clean-ups fixes (x86_64 and Win64) - lots of internal changes for GL_EXT_framebuffer_object Bug fixes: - some functions didn't support PBO functionality - glGetTexImage didn't convert color index images to RGBA as required - fragment program texcoords were sometimes wrong for points and lines - fixed problem with negative dot product in arbfplight, fplight demos - fixed bug in perspective correction of antialiased, textured lines - querying GL_POST_CONVOLUTION_ALPHA_BIAS_EXT returned wrong value - fixed a couple per-pixel fog bugs (Soju Matsumoto) - glGetBooleanv(GL_FRAGMENT_PROGRAM_BINDING_NV) was broken - fixed float parsing bug in ARB frag/vert programs (bug 2520) - XMesaGetDepthBuffer() returned incorrect value for bytesPerValue - GL_COLOR_MATERIAL with glColor3 didn't properly set diffuse alpha - glXChooseFBConfig() crashed if attribList pointer was NULL - program state.light[n].spot.direction.w was wrong value (bug 3083) - fragment program fog option required glEnable(GL_FOG) - wrong. - glColorTable() could produce a Mesa implementation error (bug 3135) - RasterPos could get corrupted by color index rendering path - Removed bad XTranslateCoordinates call when rendering to Pixmaps - glPopAttrib() didn't properly restore GL_TEXTURE_GEN enable state - fixed a few Darwin compilation problems 6.3.1 This was an intermediate release for X.org which wasn't otherwise released. 6.3.2 August 19, 2005 New: - The distribution now includes the DRI drivers and GLX code Changes: - Made the DRI "new" driver interface standard, remove old code Bug fixes: - GL_ARB_vertex/fragment_shader were mistakenly listed in the extensions string - negative relative addressing in vertex programs was broken - update/fix SPARC assembly code for vertex transformation - fixed memory leak when freeing GLX drawables/renderbuffers - fixed display list memory leak - the GL_PIXEL_MAP_I_TO_I table is now floating point, not integer - wglGetProcAddress() didn't handle wgl-functions - fixed glxext.h cross-compile issue (Colin Harrison) - assorted DRI driver fixes 6.4 October 24, 2005 New: - Added a fast XOR line drawing function in Xlib driver - Added support for GL_ARB_texture_mirrored_repeat to savage driver (supported only on Savage4 hardware). Changes: - Mesa now packaged in three parts: Library, Demos and GLUT Bug fixes: - GLX_X_RENDERABLE token wasn't accepted by glXChooseFBConfig - Some files were present multiple times in the 6.3.2 tarballs - r200_vtxtmp_x86.S file was missing from 6.3.2 tarball (bug 4207) - glxgears_fbconfig demo didn't work (bug 4237) - fixed bug when bilinear sampling 2d textures with borders - glXCreatePbuffer() could segfault instead of returning 0 (bug 4235) - fixed undefined frexp and rand in X.org libGLcore.a (bug 4242) - fixed a few problems with proxy color tables (bug 4270) - fixed precision problem in Z clearing (bug 4395) - glBitmap, glDraw/CopyPixels mistakenly generated selection hits - fixed potential segfault caused by reading pixels outside of renderbuffer bounds - glGetTexLevelParameter didn't accept GL_TEXTURE_DEPTH_SIZE_ARB - fixed memory corruption bug involving software alpha buffers - glReadPixels clipped by window bounds was sometimes broken - glDraw/CopyPixels of stencil data ignored the stencil write mask - glReadPixels from a texture bound to a framebuffer object didn't work - glIsRender/FramebufferEXT weren't totally correct - fixed a number of point size attenuation/fade bugs - fixed glFogCoord bug 4729 - GLX encoding for transpose matrix functions was broken - fixed broken fragment program KIL and SWZ instructions - fragment programs that wrote result.depth.z didn't work 6.4.1 November 30, 2005 Bug fixes: - redefining a vertex program string didn't take effect in TNL module - fixed occasional segfault upon vertex/fragment parsing error - vertex program LIT instruction didn't handle 0^0=1 correctly - fragment program fog option didn't work with glDrawPixels, glBitmap - USE_MGL_NAMESPACE didn't work for x86-64 - OSMesa demos were missing from previous release tarballs - fixed problem with float->ushort conversion in glClear (bug 4992) - popping of GL_EYE_PLANE texgen state was broken (bug 4996) - popping of GL_SPOT_DIRECTION light state was broken (bug 5005) - fixed occasional triangle color interpolation problem on VMS - work around invalid free() call (bug 5131) - fixed BSD X server compilation problem by including stdint.h 6.4.2 February 2, 2006 New: - added OSMesaColorClamp() function/feature - added wglGetExtensionStringARB() function Bug fixes: - fixed some problems when building on Windows - GLw header files weren't installed by installmesa script (bug 5396) - GL/glfbdev.h file was missing from tarballs - fixed TNL initialization bug which could lead to crash (bug 5791) 6.5 March 31, 2006 New: - OpenGL Shading Language support through GL_ARB_shader_objects, GL_ARB_shading_language_100, GL_ARB_vertex_shader and GL_ARB_fragment_shader (done by Michal Krol) - GL_EXT_packed_depth_stencil extension - GL_EXT_timer_query extension - GL_EXT_framebuffer_blit extension - GL_ARB_half_float_pixel - reflect demo improved to support multiple windows - singlebuffer demo (shows no/little-flicker single-buffered rendering) - r200: enable GL_ARB_texture_env_crossbar, separate the texture sampling unit bits from the texture env combine enable bits - r200: add support for GL_ATI_fragment_shader - added fast XOR-mode line drawing optimization - radeon: add support for all 3 tmus, GL_ARB_texture_cube_map and GL_EXT_fog_coord - MESA_GLX_ALPHA_BITS env var for xlib driver - many DRI driver updates (including screen rotation support for the Intel DRI driver) Changes: - removed GL_HP_occlusion_test (use GL_ARB_occlusion_query instead) - removed GL_SGIX/SGIS_pixel_texture extensions Bug fixes: - fixed glxcontextmodes.c datatype problem (bug 5835) - fixed aix-gcc build/install bugs (bug 5874) - fixed some bugs in texture env program generation - glXCopyContext() didn't handle texture object bindings properly - glXCopyContext() didn't copy all lighting state - fixed FreeBSD config (Pedro Giffuni) - fixed some minor framebuffer object bugs - replaced dprintf() with _glu_printf() in GLU (bug 6244) - fixed a number of thread safety bugs/regressions - fixed a number of GLU tesselator bugs (John Shell, bug 6339) - paletted texturing was broken w/ floating point palettes (K. Schultz) - lots of assorted framebuffer object bug fixes 6.5.1 August 31, 2006 New: - Intel i965 DRI driver - GL_APPLE_vertex_array_object extension (Ian Romanick) - GL_EXT_texture_sRGB extension - GL_EXT_gpu_program_parameters (Ian Romanick) - "engine" demo - updated fbdev driver and GLUT for fbdev (Sean D'Epagnier) - many updates to the DRI drivers Changes: - The glVertexAttribARB functions no longer alias the conventional vertex attributes. - glxinfo program prints more info with -l option - GL_FRAGMENT_PROGRAM_NV and GL_FRAGMENT_PROGRAM_ARB are now compatible, in terms of glBindProgramARB() Bug fixes: - fixed broken texture border handling for depth textures (bug 6498) - removed the test for duplicated framebuffer attachments, per version 117 of the GL_EXT_framebuffer_object specification - fixed a few render-to-texture bugs, including render to depth texture - clipping of lines against user-defined clip planes was broken (6512) - assembly language dispatch for SPARC was broken (bug 6484) - assorted compilation fixes on various Unix platforms (Dan Schikore) - glPopAttrib could restore an invalid value for GL_DRAW_BUFFER - assorted minor fixes for 16 and 32 bit/channel modes - fixed assorted bugs in texture compression paths - fixed indirect rendering vertex array crashes (bug 6863) - glDrawPixels GL_INDEX_OFFSET didn't always work - fixed convolution memory leak (bug 7077) - rectangular depth textures didn't work - invalid mode to glBegin didn't generate an error (bug 7142) - 'normalized' parameter to glVertexAttribPointerARB didn't work - disable bogus GLX_SGI_video_sync extension in xlib driver - fixed R128 driver locking bug (Martijn van Oosterhout) - using evaluators with vertex programs caused crashes (bug 7564) - fragment.position wasn't set correctly for point/line primitives - fixed parser bug for scalar sources for GL_NV_fragment_program - max fragment program length was incorrectly 128, now 1024 - writes to result.depth in fragment programs weren't clamped to [0,1] - fixed potential dangling pointer bug in glBindProgram() - fixed some memory leaks (and potential crashes) in Xlib driver