# The Mesa 3D Graphics Library

# Mesa 7.0 Release Notes / June 22, 2007

Mesa 7.0 is a stable release, featuring OpenGL 2.1 API support. A number of bugs have been fixed since the 6.5.3 release.

## MD5 checksums

    35a1698986f7ac8dc435624ee9256cda  MesaLib-7.0.tar.gz
    50c371455fa7532c04aa0a970f9bc51f  MesaLib-7.0.tar.bz2
    bcedb6f43c97c1bc49e5cc7f12835722  MesaLib-7.0.zip
    9bad332c7b74f59be96556135212ca9e  MesaDemos-7.0.tar.gz
    fada2bc1f29da513e015fda1e3abd0c0  MesaDemos-7.0.tar.bz2
    84e3bbe470d983ae32f1f0c779faf99e  MesaDemos-7.0.zip
    76c7bb54f9850c689eba844f6daed332  MesaGLUT-7.0.tar.gz
    4af28296e02772ef1de00e4e79bf3d12  MesaGLUT-7.0.tar.bz2
    9043cb0b54cc03d1874728d74b12188c  MesaGLUT-7.0.zip

## New features

- OpenGL 2.0 and 2.1 API support.

## Bug fixes

- Fixed a few fog-related bugs.
- Fixed broken GLSL mix() function.
- Fixed broken GLSL exp() functions.
- Fixed GLSL mod4(vec4, vec4) bug.
- Implemented GLSL asin(), acos(), atan() functions.
- Fixed an R300 driver bug that caused Xorg composite manager to crash
- Fixed R300 vertex program/matrix bug (10848)
- GLSL dFdx() and dFdy() work for fragment program inputs now (texcoords)
- Specifying an invalid texture unit as a sampler could lead to a crash
- The GLX protocol request for glXDestroyPBuffer() was incorrect (bug 10983)
- ARB vp state.light[n].half value was incorrect (bug 10987)
- Fixed a positional light source bug (bug 11009)
- Fixed point size attenuation problem (bug 11042)
- glPopAttrib didn't restore texture object's LOD bias (bug 11049)
- Fixed a TLS / TEXTREL problem (bug 7459)

## Internal code changes

- Some texture code consolidation and simplifiction (Ian Romanick)
- R300 driver clean-ups.

## To Do (someday) items

- Switch to freeglut
- Fix linux-glide target/driver.
- Improved lambda and derivative calculation for frag progs.

## Driver Status

    Driver			Status
    ----------------------	----------------------
    DRI drivers		varies with the driver
    XMesa/GLX (on Xlib)	implements OpenGL 2.1
    OSMesa (off-screen)	implements OpenGL 2.1
    Windows/Win32		implements OpenGL 2.1
    Glide (3dfx Voodoo1/2)	implements OpenGL 1.3
    SVGA			unsupported
    Wind River UGL		unsupported
    DJGPP			unsupported
    GGI			unsupported
    BeOS			unsupported
    Allegro			unsupported
    D3D			unsupported