1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html lang="en"> 3<head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 5 <title>Mesa Release Notes</title> 6 <link rel="stylesheet" type="text/css" href="../mesa.css"> 7</head> 8<body> 9 10<div class="header"> 11 <h1>The Mesa 3D Graphics Library</h1> 12</div> 13 14<iframe src="../contents.html"></iframe> 15<div class="content"> 16 17<h1>Mesa 7.5 Release Notes / 17 July 2009</h1> 18 19<p> 20Mesa 7.5 is a new development release. 21People who are concerned with stability and reliability should stick 22with the 7.4.x branch or wait for Mesa 7.5.1. 23</p> 24<p> 25The main new feature of Mesa 7.5 is the 26<a href="http://wiki.freedesktop.org/wiki/Software/gallium">Gallium3D</a> infrastructure. 27</p> 28<p> 29Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by 30glGetString(GL_VERSION) depends on the particular driver being used. 31Some drivers don't support all the features required in OpenGL 2.1. 32</p> 33<p> 34See the <a href="../install.html">Compiling/Installing page</a> for prerequisites 35for DRI hardware acceleration. 36</p> 37<p> 38Note that the Mesa project is no longer using odd/even version numbers 39to indicate development/stable releases. 40The so-called development releases have been fairly stable. 41If you're especially concerned with stability you should probably look for 42"point" releases such as 7.5.1 which will be a bug-fix release. 43</p> 44 45 46<h2>MD5 checksums</h2> 47<pre> 48553fd956e544727f30fbe249619b6286 MesaLib-7.5.tar.gz 49459f332551f6ebb86f384d21dd15e1f0 MesaLib-7.5.tar.bz2 508c02c0e17a9025250d20424ae32f5163 MesaLib-7.5.zip 51a188da2886fa5496ea0c2cda602b2eeb MesaDemos-7.5.tar.gz 52398ee8801814a00e47f6c2314e3dfddc MesaDemos-7.5.tar.bz2 5315a0c8ae013c54335a26335e1a98d609 MesaDemos-7.5.zip 5481010147def5a644ba14f9bbb7a49a2a MesaGLUT-7.5.tar.gz 55baa7a1e850b6e39bae58868fd0684004 MesaGLUT-7.5.tar.bz2 56265228418e4423fa328f2f5b7970cf08 MesaGLUT-7.5.zip 57</pre> 58 59 60<h2>New features</h2> 61<ul> 62<li>Gallium3D - this is the new architecture for OS-independent and 63 API-independent 3D drivers. 64 Gallium3D is intended for GPUs that fully support vertex/fragment shaders. 65 The Gallium3D drivers currently included are: 66 <ul> 67 <li>softpipe - a software/reference driver 68 <li>i915 - Intel 915/945 driver 69 <li>Cell - IBM/Sony/Toshiba Cell processor driver 70 <li>nouveau (for NVIDIA GPUs) and R300 for (AMD/ATI R300). 71 <b>PLEASE NOTE: these drivers are incomplete and still under development. 72 It's probably NOT worthwhile to report any bugs unless you have patches. 73 </b> 74 </ul> 75<li>GL_ARB_framebuffer_object extension (software drivers, i965 driver) 76<li>Reworked two-sided stencil support. 77This allows a driver to support all three variations of two-sided stencil 78including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0 79<li>GL_EXT_vertex_array_bgra extension (software drivers, i965 driver) 80<li>GL_NV_texture_env_combine4 extension (software drivers, i965/i915 drivers) 81<li>GL_EXT_texture_swizzle extension (software drivers, i965 driver) 82<li>Updated SPARC assembly optimizations (David S. Miller) 83<li>Initial support for separate compilation units in GLSL compiler. 84<li>Increased max number of generic GLSL varying variables to 16 (formerly 8). 85<li>GLSL linker now detects when too many varying variables are used. 86<li>Optimize-out redundant glMaterial and glShadeModel calls in display lists 87<li>Fixed gl_TextureMatrix[i][j] array indexing bug in GLSL compiler. 88</ul> 89 90 91<h2>Bug fixes</h2> 92<ul> 93<li>Lots of i965 driver bug fixes 94<li>Fixed some GLSL preprocessor bugs 95<li>GLSL: continue inside of a for-loop didn't work 96</ul> 97 98 99<h2>Changes</h2> 100<ul> 101<li>Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and 102GL_SGIX_depth_texture extensions. Superseded by the ARB versions. 103<li>Omitted some old Mesa demos from the release tarballs, added some others. 104</ul> 105 106</div> 107</body> 108</html> 109