+++ /dev/null
-
-
-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
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