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authormarha <marha@users.sourceforge.net>2013-06-04 09:07:26 +0200
committermarha <marha@users.sourceforge.net>2013-06-04 09:07:26 +0200
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+ <meta http-equiv="content-type" content="text/html; charset=utf-8">
+ <title>Mesa Release Notes</title>
+ <link rel="stylesheet" type="text/css" href="../mesa.css">
+</head>
+<body>
+
+<div class="header">
+ <h1>The Mesa 3D Graphics Library</h1>
+</div>
+
+<iframe src="../contents.html"></iframe>
+<div class="content">
+
+<h1>Mesa 6.5.3 Release Notes / April 27, 2007</h1>
+
+<p>
+Mesa 6.5.3 is a development release with many changes and new features.
+Mesa 7.0 is expected to follow shortly.
+</p>
+
+
+<h2>MD5 checksums</h2>
+<pre>
+39f33ea64e34e2d5b20640b008b57649 MesaLib-6.5.3.tar.gz
+46359457147c469745f24b5074a186f0 MesaLib-6.5.3.tar.bz2
+a8946fa861634ce15971396f47992c41 MesaLib-6.5.3.zip
+08e26948d57eaca74d02a530b2d8106e MesaDemos-6.5.3.tar.gz
+8af91773ab2653fe537499676b05f2e8 MesaDemos-6.5.3.tar.bz2
+783f81b171bf89b0929abc894efd25a6 MesaDemos-6.5.3.zip
+9467d415388fe1ad82991fb20704b812 MesaGLUT-6.5.3.tar.gz
+360843e46b7ebb6909290b023f9b26fa MesaGLUT-6.5.3.tar.bz2
+7686065e5c15a30de08a1610860b6840 MesaGLUT-6.5.3.zip
+</pre>
+
+
+<h2>Shared library numbering</h2>
+<p>
+Mesa 6.5.3 supports the OpenGL 2.0/2.1 API. However, the (unix)
+shared library version is still 1.5 (i.e. libGL.so.1.5.xxxxxx).
+Bumping the shared library version to 2.x would cause linking problems
+with existing OpenGL applications. Since OpenGL 2.x is backward
+compatible with OpenGL 1.x the shared library version number doesn't
+have to be incremented (which would indicate an incompatible ABI).
+</p>
+<p>
+Other OpenGL vendors name their OpenGL 2.x libraries libGL.so.1.0.xxxxx
+for the same reason.
+</p>
+
+
+
+<h2>New features</h2>
+<ul>
+<li>OpenGL 2.0 and 2.1 API support.
+<li>Entirely new Shading Language code generator. See the
+<a href="../shading.html">Shading Language</a> page for more information.
+<li>Much faster software execution of vertex, fragment shaders.
+<li>New vertex buffer object (vbo) infrastructure
+<li>Updated glext.h file (version 39)
+<li>Updated glxext.h file (version 19)
+<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
+<li>Overlapping glCopyPixels with negative Y zoom didn't work (bug 10521)
+<li>Fixed a number of framebuffer/renderbuffer reference counting bugs
+<li>Fixed a few bugs in software-emulated alpha planes
+<li>Assorted minor bug fixes in glCopy/DrawPixels, glPixelZoom, etc.
+<li>Assorted DRI driver bug fixes.
+<li>Fixed a number of bugs that prevented "depth-peeling" rendering from working.
+</ul>
+
+
+<h2>Internal code changes</h2>
+<ul>
+<li>Old array_cache module replaced by new vbo module. All geometry
+rendering is now cast in the form of vertex buffer objects.
+<li>Massive changes to the Shading Language compiler and related state.
+<li>Vertex/fragment shaders are compiled into GPU instructions and
+programs very similar to GL_ARB_vertex/fragment_program.
+<li>Vertex and fragment programs are executed with the same code now.
+<li>The SSE-optimized vertex program path has been removed since it didn't
+support more than 12 temp registers, didn't support branching/looping, etc.
+</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 2.1
+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
+</pre>
+
+</div>
+</body>
+</html>