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 <h1>Mesa 7.5 Release Notes / 17 July 2009</h1> 11 12 <p> 13 Mesa 7.5 is a new development release. 14 People who are concerned with stability and reliability should stick 15 with the 7.4.x branch or wait for Mesa 7.5.1. 16 </p> 17 <p> 18 The main new feature of Mesa 7.5 is the 19 <a href="http://wiki.freedesktop.org/wiki/Software/gallium" 20 target="_parent">Gallium3D</a> infrastructure. 21 </p> 22 <p> 23 Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by 24 glGetString(GL_VERSION) depends on the particular driver being used. 25 Some drivers don't support all the features required in OpenGL 2.1. 26 </p> 27 <p> 28 See the <a href="install.html">Compiling/Installing page</a> for prerequisites 29 for DRI hardware acceleration. 30 </p> 31 <p> 32 Note that the Mesa project is no longer using odd/even version numbers 33 to indicate development/stable releases. 34 The so-called development releases have been fairly stable. 35 If you're especially concerned with stability you should probably look for 36 "point" releases such as 7.5.1 which will be a bug-fix release. 37 </p> 38 39 40 <h2>MD5 checksums</h2> 41 <pre> 42 553fd956e544727f30fbe249619b6286 MesaLib-7.5.tar.gz 43 459f332551f6ebb86f384d21dd15e1f0 MesaLib-7.5.tar.bz2 44 8c02c0e17a9025250d20424ae32f5163 MesaLib-7.5.zip 45 a188da2886fa5496ea0c2cda602b2eeb MesaDemos-7.5.tar.gz 46 398ee8801814a00e47f6c2314e3dfddc MesaDemos-7.5.tar.bz2 47 15a0c8ae013c54335a26335e1a98d609 MesaDemos-7.5.zip 48 81010147def5a644ba14f9bbb7a49a2a MesaGLUT-7.5.tar.gz 49 baa7a1e850b6e39bae58868fd0684004 MesaGLUT-7.5.tar.bz2 50 265228418e4423fa328f2f5b7970cf08 MesaGLUT-7.5.zip 51 </pre> 52 53 54 <h2>New features</h2> 55 <ul> 56 <li>Gallium3D - this is the new architecture for OS-independent and 57 API-independent 3D drivers. 58 Gallium3D is intended for GPUs that fully support vertex/fragment shaders. 59 The Gallium3D drivers currently included are: 60 <ul> 61 <li>softpipe - a software/reference driver 62 <li>i915 - Intel 915/945 driver 63 <li>Cell - IBM/Sony/Toshiba Cell processor driver 64 <li>nouveau (for NVIDIA GPUs) and R300 for (AMD/ATI R300). 65 <b>PLEASE NOTE: these drivers are incomplete and still under development. 66 It's probably NOT worthwhile to report any bugs unless you have patches. 67 </b> 68 </ul> 69 <li>GL_ARB_framebuffer_object extension (software drivers, i965 driver) 70 <li>Reworked two-sided stencil support. 71 This allows a driver to support all three variations of two-sided stencil 72 including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0 73 <li>GL_EXT_vertex_array_bgra extension (software drivers, i965 driver) 74 <li>GL_NV_texture_env_combine4 extension (software drivers, i965/i915 drivers) 75 <li>GL_EXT_texture_swizzle extension (software drivers, i965 driver) 76 <li>Updated SPARC assembly optimizations (David S. Miller) 77 <li>Initial support for separate compilation units in GLSL compiler. 78 <li>Increased max number of generic GLSL varying variables to 16 (formerly 8). 79 <li>GLSL linker now detects when too many varying variables are used. 80 <li>Optimize-out redundant glMaterial and glShadeModel calls in display lists 81 <li>Fixed gl_TextureMatrix[i][j] array indexing bug in GLSL compiler. 82 </ul> 83 84 85 <h2>Bug fixes</h2> 86 <ul> 87 <li>Lots of i965 driver bug fixes 88 <li>Fixed some GLSL preprocessor bugs 89 <li>GLSL: continue inside of a for-loop didn't work 90 </ul> 91 92 93 <h2>Changes</h2> 94 <ul> 95 <li>Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and 96 GL_SGIX_depth_texture extensions. Superseded by the ARB versions. 97 <li>Omitted some old Mesa demos from the release tarballs, added some others. 98 </ul> 99 100 </body> 101 </html> 102
