646d14d2d3
Corruption has again been reported on Intel hardware running Xorg with the modesetting driver (which uses OpenGL based acceleration instead of SNA acceleration the intel driver defaults to). Reported in various forms on Sandy Bridge (X220), Ivy Bridge (X230) and Haswell (X240). Confirmed to not occur with the intel driver but the xserver was changed to default to the modesetting driver on >= gen4 hardware (except Ironlake). One means of triggering this is to open a large pdf with xpdf on an idle machine and highlight a section of the document. There have been reports of gpu hangs on gen4 intel hardware (T500 with GM45, X61 with 965GM) when starting Xorg as well.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Mesa Release Notes</title>
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<link rel="stylesheet" type="text/css" href="../mesa.css">
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</head>
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<body>
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<div class="header">
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<h1>The Mesa 3D Graphics Library</h1>
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</div>
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<iframe src="../contents.html"></iframe>
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<div class="content">
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<h1>Mesa 9.0 Release Notes / October 8, 2012</h1>
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<p>
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Mesa 9.0 is a new development release.
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People who are concerned with stability and reliability should stick
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with a previous release or wait for Mesa 9.0.1.
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</p>
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<p>
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Mesa 9.0 implements the OpenGL 3.1 API, but the version reported by
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glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) /
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glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being used.
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Some drivers don't support all the features required in OpenGL 3.1. OpenGL
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3.1 is <strong>only</strong> available if requested at context creation
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because GL_ARB_compatibility is not supported.
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</p>
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<h2>MD5 checksums</h2>
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<pre>
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be4cd34c6599a7cb9d254b05c48bdb1f MesaLib-9.0.tar.gz
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60e557ce407be3732711da484ab3db6c MesaLib-9.0.tar.bz2
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16b128544cd3f7e237927bb9f8aab7ce MesaLib-9.0.zip
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</pre>
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<h2>New features</h2>
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<p>
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Note: some of the new features are only available with certain drivers.
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</p>
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<ul>
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<li>Added new Gallium3D - nv30 driver</li>
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<li>Added new Gallium3D - radeonsi driver</li>
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<li>Added OpenCL state tracker Clover</li>
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<li>Completed VDPAU state tracker (video decoding support is currently limited to MPEG1 and MPEG2)</li>
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<li>GL_ARB_base_instance</li>
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<li>GL_ARB_blend_func_extended</li>
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<li>GL_ARB_debug_output</li>
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<li>GL_ARB_invalidate_subdata - Currently a "no-op" implementation. This
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extension is always enabled in all drivers.</li>
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<li>GL_ARB_shader_bit_encoding</li>
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<li>GL_ARB_texture_buffer_object</li>
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<li>GL_ARB_timer_query</li>
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<li>GL_ARB_transform_feedback3</li>
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<li>GL_ARB_transform_feedback_instanced</li>
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<li>GL_ARB_uniform_buffer_object</li>
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<li>GL_EXT_unpack_subimage for ES 2.0</li>
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<li>GL_EXT_read_format_bgra for ES 1.1 and 2.0</li>
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<li>GL_EXT_texture_rg for ES 2.x</li>
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<li>GL_NV_read_buffer for ES 2.0</li>
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<li>GLX_ARB_create_context_robustness</li>
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<li>EGL_KHR_create_context</li>
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<li>EGL_KHR_surfaceless_context - This replaces the
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EGL_KHR_surfaceless_{gles1,gles2,opengl} extensions that were never approved
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by Khronos.</li>
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<li>EGL_EXT_create_context_robustness</li>
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</ul>
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<h2>Bug fixes</h2>
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<p>TBD -- This list is likely incomplete.</p>
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<h2>Changes</h2>
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<ul>
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<li>
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The legacy/static Makefile system (ex: 'make linux-dri') has been removed.
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<br>
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The two supported build methods are now autoconf/automake and SCons.
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</li>
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<li>Removed support for GL_ARB_shadow_ambient extension</li>
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<li>Removed Gallium3D - nvfx driver (use nv30 instead)</li>
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<li>
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libGLU has been moved into its own repository, found at <a href="http://cgit.freedesktop.org/mesa/glu/">http://cgit.freedesktop.org/mesa/glu/</a>
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</li>
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</ul>
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</div>
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</body>
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</html>
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