docs: asst. updates for 7.5 release
[mesa.git] / docs / relnotes-7.5.html
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3 <TITLE>Mesa Release Notes</TITLE>
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11 <H1>Mesa 7.5 Release Notes / date TBD</H1>
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13 <p>
14 Mesa 7.5 is a new development release.
15 People who are concerned with stability and reliability should stick
16 with the 7.4.x branch or wait for Mesa 7.5.1.
17 </p>
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19 The main new feature of Mesa 7.5 is the
20 <a href="http://www.tungstengraphics.com/wiki/index.php/Gallium3D"
21 target="_parent">Gallium3D</a> infrastructure.
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24 Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by
25 glGetString(GL_VERSION) depends on the particular driver being used.
26 Some drivers don't support all the features required in OpenGL 2.1.
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29 See the <a href="install.html">Compiling/Installing page</a> for prerequisites
30 for DRI hardware acceleration.
31 </p>
32 <p>
33 Note that the Mesa project is no longer using odd/even version numbers
34 to indicate development/stable releases.
35 The so-called development releases have been fairly stable.
36 If you're especially concerned with stability you should probably look for
37 "point" releases such as 7.5.1 which will be a bug-fix release.
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40
41 <h2>MD5 checksums</h2>
42 <pre>
43 tbd
44 </pre>
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46
47 <h2>New features</h2>
48 <ul>
49 <li>Gallium - this is the new architecture for OS-independent and
50 API-independent 3D drivers.
51 Gallium3D is intended for GPUs that fully support vertex/fragment shaders.
52 The Gallium3D drivers currently included are:
53 <ul>
54 <li>softpipe - a software/reference driver
55 <li>i915 - Intel 915/945 driver
56 <li><a href="cell.html">Cell</a> - IBM/Sony/Toshiba Cell processor driver
57 <li>nouveau - preliminary driver for NVIDIA GPUs (still under development)
58 <li>r300 - preliminary driver for R300 (still under development)
59 </ul>
60 <li>GL_ARB_framebuffer_object extension (software drivers, i965 driver)
61 <li>Reworked two-sided stencil support.
62 This allows a driver to support all three variations of two-sided stencil
63 including GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0
64 <li>GL_EXT_vertex_array_bgra extension (software drivers, i965 driver)
65 <li>GL_NV_texture_env_combine4 extension (software drivers, i965/i915 drivers)
66 <li>GL_EXT_texture_swizzle extension (software drivers, i965 driver)
67 <li>Updated SPARC assembly optimizations (David S. Miller)
68 <li>Initial support for separate compilation units in GLSL compiler.
69 </ul>
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72 <h2>Bug fixes</h2>
73 <ul>
74 <li>Lots of i965 driver bug fixes
75 </ul>
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78 <h2>Changes</h2>
79 <ul>
80 <li>Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and
81 GL_SGIX_depth_texture extensions. Superseded by the ARB versions.
82 <li>Omittd some old Mesa demos from the release tarballs, added some others.
83 </ul>
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