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<HTML>
<TITLE>Mesa Release Notes</TITLE>
<head><link rel="stylesheet" type="text/css" href="mesa.css"></head>
<BODY>
<body bgcolor="#eeeeee">
<H1>Mesa 6.5.3 Release Notes / (in progress)</H1>
<p>
Mesa 6.5.3 is a 6.5 follow-on development release with many internal changes.
</p>
<h2>MD5 checksums</h2>
<pre>
TBD
</pre>
<h2>New features</h2>
<ul>
<li>OpenGL 2.0 support.
<li>Entirely new Shading Language code generator.
<li>Much faster software execution of vertex, fragment shaders.
<li>New vertex buffer object infrastructure (replaces old array_cache code).
<li>Updated glext.h file (version 39)
<li>Updated glxext.h file (version 18)
<li>GL_MAX_DRAWBUFFERS is now 4 (software rendering) so
"multiple render targets" are really supported.
</ul>
<h2>Bug fixes</h2>
<ul>
<li>Fog was errantly applied when a fragment shader was enabled (bug 9346)
<li>glPush/PopClientAttrib didn't handle VBO bindings correctly (bug 9445)
<li>With 32-bit Z buffer, the fragment Z of lines and points was sometimes wrong.
<li>GL_POST_CONVOLUTION_ALPHA_BIAS/SCALE was broken.
<li>1D convolution state could effect 2D image transfers
</ul>
<h2>Internal code changes</h2>
<ul>
<li>Massive changes to the Shading Language compiler.
<li>The _MaintainTnlProgram, _MaintainTexEnvProgram, _TexEnvProgram and
_TnlProgram fields have been moved.
<li>The ctx->FragmentProgram._Active field has been removed.
<li>The ctx->Vertex/FragmentProgram._Current fields point to the program
in effect, whether it comes from a shader, user-program or generated
fixed-function program.
<li>The _UseTexEnvProgram field has been removed.
</ul>
<h2>To Do (someday) items</h2>
<ul>
<li>Switch to freeglut
<li>Fix linux-glide target/driver.
<li>Improved lambda and derivative calculation for frag progs.
</ul>
<h2>Driver Status</h2>
<pre>
Driver Status
---------------------- ----------------------
DRI drivers varies with the driver
XMesa/GLX (on Xlib) implements OpenGL 2.0
OSMesa (off-screen) implements OpenGL 2.0
Glide (3dfx Voodoo1/2) implements OpenGL 1.3
SVGA implements OpenGL 1.3
Wind River UGL implements OpenGL 1.3
Windows/Win32 implements OpenGL 1.5
DJGPP implements OpenGL 1.5
GGI implements OpenGL 1.3
BeOS implements OpenGL 1.5
Allegro needs updating
D3D needs updating
</pre>
</body>
</html>
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