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90 lines
3.3 KiB
ReStructuredText
90 lines
3.3 KiB
ReStructuredText
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Mesa 7.5 Release Notes / 17 July 2009
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=====================================
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Mesa 7.5 is a new development release. People who are concerned with
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stability and reliability should stick with the 7.4.x branch or wait for
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Mesa 7.5.1.
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The main new feature of Mesa 7.5 is the
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`Gallium3D <https://www.freedesktop.org/wiki/Software/gallium>`__
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infrastructure.
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Mesa 7.5 implements the OpenGL 2.1 API, but the version reported by
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glGetString(GL_VERSION) depends on the particular driver being used.
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Some drivers don't support all the features required in OpenGL 2.1.
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See the :doc:`Compiling/Installing page <../install>` for
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prerequisites for DRI hardware acceleration.
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Note that the Mesa project is no longer using odd/even version numbers
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to indicate development/stable releases. The so-called development
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releases have been fairly stable. If you're especially concerned with
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stability you should probably look for "point" releases such as 7.5.1
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which will be a bug-fix release.
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MD5 checksums
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-------------
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::
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553fd956e544727f30fbe249619b6286 MesaLib-7.5.tar.gz
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459f332551f6ebb86f384d21dd15e1f0 MesaLib-7.5.tar.bz2
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8c02c0e17a9025250d20424ae32f5163 MesaLib-7.5.zip
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a188da2886fa5496ea0c2cda602b2eeb MesaDemos-7.5.tar.gz
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398ee8801814a00e47f6c2314e3dfddc MesaDemos-7.5.tar.bz2
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15a0c8ae013c54335a26335e1a98d609 MesaDemos-7.5.zip
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81010147def5a644ba14f9bbb7a49a2a MesaGLUT-7.5.tar.gz
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baa7a1e850b6e39bae58868fd0684004 MesaGLUT-7.5.tar.bz2
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265228418e4423fa328f2f5b7970cf08 MesaGLUT-7.5.zip
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New features
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------------
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- Gallium3D - this is the new architecture for OS-independent and
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API-independent 3D drivers. Gallium3D is intended for GPUs that fully
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support vertex/fragment shaders. The Gallium3D drivers currently
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included are:
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- softpipe - a software/reference driver
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- i915 - Intel 915/945 driver
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- Cell - IBM/Sony/Toshiba Cell processor driver
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- nouveau (for NVIDIA GPUs) and R300 for (AMD/ATI R300).
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.. note::
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these drivers are incomplete and still under development.
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It's probably NOT worthwhile to report any bugs unless you have
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patches.
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- GL_ARB_framebuffer_object extension (software drivers, i965 driver)
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- Reworked two-sided stencil support. This allows a driver to support
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all three variations of two-sided stencil including
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GL_ATI_separate_stencil, GL_EXT_stencil_two_side and OpenGL 2.0
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- GL_EXT_vertex_array_bgra extension (software drivers, i965 driver)
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- GL_NV_texture_env_combine4 extension (software drivers, i965/i915
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drivers)
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- GL_EXT_texture_swizzle extension (software drivers, i965 driver)
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- Updated SPARC assembly optimizations (David S. Miller)
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- Initial support for separate compilation units in GLSL compiler.
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- Increased max number of generic GLSL varying variables to 16
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(formerly 8).
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- GLSL linker now detects when too many varying variables are used.
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- Optimize-out redundant glMaterial and glShadeModel calls in display
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lists
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- Fixed gl_TextureMatrix[i][j] array indexing bug in GLSL compiler.
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Bug fixes
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---------
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- Lots of i965 driver bug fixes
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- Fixed some GLSL preprocessor bugs
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- GLSL: continue inside of a for-loop didn't work
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Changes
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-------
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- Remove support for GL_SGIX_shadow, GL_SGIX_shadow_ambient and
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GL_SGIX_depth_texture extensions. Superseded by the ARB versions.
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- Omitted some old Mesa demos from the release tarballs, added some
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others.
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