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  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 7.9.2 Release Notes / March 2, 2011</h1>
  18.  
  19. <p>
  20. Mesa 7.9.2 is a bug fix release which fixes bugs found since the 7.9.1 release.
  21. </p>
  22. <p>
  23. Mesa 7.9.2 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.  
  32.  
  33. <h2>MD5 checksums</h2>
  34. <pre>
  35. eb4ab8c1a03386def3ea34b1358e9cda  MesaLib-7.9.2.tar.gz
  36. 8f6d1474912787ce13bd35f3bae9938a  MesaLib-7.9.2.tar.bz2
  37. 427a81dd43ac97603768dc5c6af3df26  MesaLib-7.9.2.zip
  38. aacb8f4db997e346db40c6066942140a  MesaGLUT-7.9.2.tar.gz
  39. 18abe6cff4fad8ad4752c7b7ab548e5d  MesaGLUT-7.9.2.tar.bz2
  40. 3189e5732d636c71baf3d8bc23ce7b11  MesaGLUT-7.9.2.zip
  41. </pre>
  42.  
  43.  
  44. <h2>New features</h2>
  45. <p>None.</p>
  46.  
  47. <h2>Bug fixes</h2>
  48. <p>This list is likely incomplete.</p>
  49. <ul>
  50. <li>Fix an off-by-one bug in a vsplit assertion.</li>
  51. <li>Fix incorrect handling of <tt>layout</tt> qualifier
  52. with <tt>in</tt>, <tt>out</tt>, <tt>attribute</tt>, and <tt>varying</tt>.</li>
  53.  
  54. <li>Fix an i965 GPU hang in GLSL shaders that contain an unconditional <tt>discard</tt> statement.</li>
  55.  
  56. <li>Fix an i965 shader bug where the negative absolute value was generated instead of the absolute value of a negation.</li>
  57.  
  58. <li>Fix numerous issues handling precision qualifiers in GLSL ES.</li>
  59.  
  60. <li>Fixed a few GLX protocol encoder bugs (Julien Cristau)</li>
  61.  
  62. <li>Assorted Gallium llvmpipe driver bug fixes</li>
  63.  
  64. <li>Assorted Mesa/Gallium state tracker bug fixes</li>
  65.  
  66. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=26795">Bug 26795</a> - gl_FragCoord off by one in Gallium drivers.</li>
  67.  
  68. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=29164">Bug 29164</a> - [GLSL 1.20] invariant variable shouldn't be used before declaration</li>
  69.  
  70. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=29823">Bug 29823</a> - GetUniform[if]v busted</li>
  71.  
  72. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=29927">Bug 29927</a> - [glsl2] fail to compile shader with constructor for array of struct type</li>
  73.  
  74. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=30156">Bug 30156</a> - [i965] After updating to Mesa 7.9, Civilization IV starts to show garbage</li>
  75.  
  76. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=31923">Bug 31923</a> - [GLSL 1.20] allowing inconsistent centroid declaration between two vertex shaders</li>
  77.  
  78. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=31925">Bug 31925</a> - [GLSL 1.20] "#pragma STDGL invariant(all)" fail</li>
  79.  
  80. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32214">Bug 32214</a> - [gles2]no link error happens when missing vertex shader or frag shader</li>
  81.  
  82. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32375">Bug 32375</a> - [gl gles2] Not able to get the attribute by function glGetVertexAttribfv</li>
  83.  
  84. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32541">Bug 32541</a> - Segmentation Fault while running an HDR (high dynamic range) rendering demo</li>
  85.  
  86. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32569">Bug 32569</a> - [gles2] glGetShaderPrecisionFormat not implemented yet</li>
  87.  
  88. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32695">Bug 32695</a> - [glsl] SIGSEGV glcpp/glcpp-parse.y:833</li>
  89.  
  90. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32831">Bug 32831</a> - [glsl] division by zero crashes GLSL compiler</li>
  91.  
  92. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=32910">Bug 32910</a> - Keywords 'in' and 'out' not handled properly for GLSL 1.20 shaders</li>
  93.  
  94. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33219">Bug 33219</a> -[GLSL bisected] implicit sized array triggers segfault in ir_to_mesa_visitor::copy_propagate</li>
  95.  
  96. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33306">Bug 33306</a> - GLSL integer division by zero crashes GLSL compiler</li>
  97.  
  98. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33308">Bug 33308</a> -[glsl] ast_to_hir.cpp:3016: virtual ir_rvalue* ast_jump_statement::hir(exec_list*, _mesa_glsl_parse_state*): Assertion `ret != __null' failed.</li>
  99.  
  100. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33316">Bug 33316</a> - uniform array will be allocate one line more and initialize it when it was freed will abort</li>
  101.  
  102. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33386">Bug 33386</a> - Dubious assembler in read_rgba_span_x86.S</li>
  103.  
  104. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33388">Bug 33388</a> - Dubious assembler in xform4.S</li>
  105.  
  106. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33433">Bug 33433</a> - Error in x86-64 API dispatch code.</li>
  107.  
  108. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33507">Bug 33507</a> - [glsl] GLSL preprocessor modulus by zero crash</li>
  109.  
  110. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33508">Bug 33508</a> - [glsl] GLSL compiler modulus by zero crash</li>
  111.  
  112. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=33916">Bug 33916</a> - Compiler accepts reserved operators % and %=</li>
  113.  
  114. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=34047">Bug 34047</a> - Assert in _tnl_import_array() when using GLfixed vertex datatypes with GLESv2</li>
  115.  
  116. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=34114">Bug 34114</a> - Sun Studio build fails due to standard library functions not being in global namespace</li>
  117.  
  118. <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=34198">Bug 34198</a> - [GLSL] implicit sized array with index 0 used gets assertion</li>
  119.  
  120. <li><a href="https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/691653">Ubuntu bug 691653</a> - compiz crashes when using alt-tab (the radeon driver kills it) </li>
  121.  
  122. <li><a href="https://bugs.meego.com/show_bug.cgi?id=13005">Meego bug 13005</a> - Graphics GLSL issue lead to camera preview fail on Pinetrail</li>
  123.  
  124. <!-- <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=">Bug </a> - </li> -->
  125.  
  126. </ul>
  127.  
  128.  
  129. <h2>Changes</h2>
  130. <p>The full set of changes can be viewed by using the following GIT command:</p>
  131.  
  132. <pre>
  133.  git log mesa-7.9.1..mesa-7.9.2
  134. </pre>
  135.  
  136. <p>Alberto Milone (1):</p>
  137. <ul>
  138.  <li>r600c: add evergreen ARL support.</li>
  139. </ul>
  140.  
  141. <p>Brian Paul (19):</p>
  142. <ul>
  143.  <li>draw: Fix an off-by-one bug in a vsplit assertion.</li>
  144.  <li>mesa: fix a few format table mistakes, assertions</li>
  145.  <li>mesa: fix num_draw_buffers==0 in fixed-function fragment program generation</li>
  146.  <li>mesa: don't assert in GetIntegerIndexed, etc</li>
  147.   <li>mesa: check for dummy renderbuffer in _mesa_FramebufferRenderbufferEXT()</li>
  148.   <li>llvmpipe: make sure binning is active when we begin/end a query</li>
  149.   <li>st/mesa: fix incorrect fragcoord.x translation</li>
  150.   <li>softpipe: fix off-by-one error in setup_fragcoord_coeff()</li>
  151.   <li>cso: fix loop bound in cso_set_vertex_samplers()</li>
  152.   <li>st/mesa: set renderbuffer _BaseFormat in a few places</li>
  153.   <li>st/mesa: fix the default case in st_format_datatype()</li>
  154.   <li>st/mesa: need to translate clear color according to surface's base format</li>
  155.  <li>docs: update 7.9.2 release notes with Brian's cherry-picks</li>
  156.   <li>docs: add links to 7.9.1 and 7.9.2 release notes</li>
  157.   <li>mesa: include compiler.h for ASSERT macro</li>
  158.   <li>glsl: add ir_shader case in switch stmt to silence warning</li>
  159.   <li>glsl2: fix signed/unsigned comparison warning</li>
  160.   <li>mesa: implement glGetShaderPrecisionFormat()</li>
  161.   <li>docs: updated environment variable list</li>
  162. </ul>
  163.  
  164. <p>Bryce Harrington (1):</p>
  165. <ul>
  166.   <li>r300g: Null pointer check for buffer deref in gallium winsys</li>
  167. </ul>
  168.  
  169. <p>Chad Versace (14):</p>
  170. <ul>
  171.   <li>glsl: At link-time, check that globals have matching centroid qualifiers</li>
  172.   <li>glcpp: Fix segfault when validating macro redefinitions</li>
  173.   <li>glsl: Fix parser rule for type_specifier</li>
  174.   <li>glsl: Change default value of ast_type_specifier::precision</li>
  175.   <li>glsl: Add semantic checks for precision qualifiers</li>
  176.   <li>glsl: Add support for default precision statements</li>
  177.   <li>glsl: Remove redundant semantic check in parser</li>
  178.   <li>glsl: Fix semantic checks on precision qualifiers</li>
  179.   <li>glsl: Fix segfault due to missing printf argument</li>
  180.   <li>glsl: Mark 'in' variables at global scope as read-only</li>
  181.   <li>glcpp: Raise error when modulus is zero</li>
  182.   <li>glsl: Set operators '%' and '%=' to be reserved when GLSL &lt; 1.30</li>
  183.   <li>glsl: Reinstate constant-folding for division by zero</li>
  184.   <li>tnl: Add support for datatype GL_FIXED in vertex arrays</li>
  185. </ul>
  186.  
  187. <p>Chia-I Wu (1):</p>
  188. <ul>
  189.   <li>mesa: Add glDepthRangef and glClearDepthf to APIspec.xml.</li>
  190. </ul>
  191.  
  192. <p>Chris Wilson (1):</p>
  193. <ul>
  194.   <li>intel: Check for unsupported texture when finishing using as a render target</li>
  195. </ul>
  196.  
  197. <p>Cyril Brulebois (1):</p>
  198. <ul>
  199.   <li>Point to bugs.freedesktop.org rather than bugzilla.freedesktop.org</li>
  200. </ul>
  201.  
  202. <p>Dave Airlie (2):</p>
  203. <ul>
  204.   <li>radeon/r200: fix fbo-clearmipmap + gen-teximage</li>
  205.   <li>radeon: avoid segfault on 3D textures.</li>
  206. </ul>
  207.  
  208. <p>Dimitry Andric (4):</p>
  209. <ul>
  210.   <li>mesa: s/movzx/movzbl/</li>
  211.   <li>mesa: s/movzxw/movzwl/ in read_rgba_span_x86.S</li>
  212.   <li>glapi: adding @ char before type specifier in glapi_x86.S</li>
  213.   <li>glapi: add @GOTPCREL relocation type</li>
  214. </ul>
  215.  
  216. <p>Eric Anholt (11):</p>
  217. <ul>
  218.   <li>i965: Avoid double-negation of immediate values in the VS.</li>
  219.   <li>docs: Add a relnote for the Civ IV on i965.</li>
  220.   <li>i965/vs: When MOVing to produce ABS, strip negate of the operand.</li>
  221.   <li>glsl: Fix the lowering of variable array indexing to not lose write_masks.</li>
  222.   <li>intel: Make renderbuffer tiling choice match texture tiling choice.</li>
  223.   <li>glapi: Add entrypoints and enums for GL_ARB_ES2_compatibility.</li>
  224.   <li>mesa: Add extension enable bit for GL_ARB_ES2_compatibility.</li>
  225.   <li>mesa: Add actual support for glReleaseShaderCompiler from ES2.</li>
  226.   <li>mesa: Add support for glDepthRangef and glClearDepthf.</li>
  227.   <li>mesa: Add getters for ARB_ES2_compatibility MAX_*_VECTORS.</li>
  228.   <li>mesa: Add getter for GL_SHADER_COMPILER with ARB_ES2_compatibility.</li>
  229. </ul>
  230.  
  231. <p>Ian Romanick (42):</p>
  232. <ul>
  233.   <li>docs: Add 7.9.1 md5sums</li>
  234.   <li>glsl: Support the 'invariant(all)' pragma</li>
  235.   <li>glcpp: Generate an error for division by zero</li>
  236.   <li>glsl: Add version_string containing properly formatted GLSL version</li>
  237.   <li>glsl &amp; glcpp: Refresh autogenerated lexer and parser files.</li>
  238.   <li>glsl: Disallow 'in' and 'out' on globals in GLSL 1.20</li>
  239.   <li>glsl: Track variable usage, use that to enforce semantics</li>
  240.   <li>glsl: Allow 'in' and 'out' when 'layout' is also available</li>
  241.   <li>docs: Initial set of release notes for 7.9.2</li>
  242.   <li>mesa: bump version to 7.9.2-devel</li>
  243.   <li>docs: Update 7.9.2 release notes</li>
  244.   <li>i965: Make OPCODE_KIL_NV do its work in a temp, not the null reg!</li>
  245.   <li>glsl: Refresh autogenerated lexer and parser files.</li>
  246.   <li>glsl: Don't assert when the value returned by a function has no rvalue</li>
  247.  <li>linker: Set sizes for non-global arrays as well</li>
  248.  <li>linker: Propagate max_array_access while linking functions</li>
  249.  <li>docs: Update 7.9.2 release notes</li>
  250.  <li>Use C-style system headers in C++ code to avoid issues with std:: namespace</li>
  251.  <li>mesa: glGetUniform only returns a single element of an array</li>
  252.  <li>linker: Generate link errors when ES shaders are missing stages</li>
  253.  <li>mesa: Fix error checks in GetVertexAttrib functions</li>
  254.  <li>docs: Update 7.9.2 release notes</li>
  255.  <li>mesa: Remove unsupported OES extensions</li>
  256.  <li>glapi: Regenerate for GL_ARB_ES2_compatibility.</li>
  257.  <li>mesa: Connect glGetShaderPrecisionFormat into the dispatch table</li>
  258.  <li>i965: Set correct values for range/precision of fragment shader types</li>
  259.  <li>i915: Set correct values for range/precision of fragment shader types</li>
  260.  <li>intel: Fix typeos from 3d028024 and 790ff232</li>
  261.  <li>glsl: Ensure that all GLSL versions are supported in the stand-alone compiler</li>
  262.  <li>glsl: Reject shader versions not supported by the implementation</li>
  263.  <li>mesa: Initial size for secondary color array is 3</li>
  264.  <li>glcpp: Regenerate files from recent cherry picks</li>
  265.  <li>glsl: Finish out the reduce/reduce error fixes</li>
  266.  <li>glsl: Regenerate compiler files from cherry picks</li>
  267.  <li>linker: Fix off-by-one error implicit array sizing</li>
  268.  <li>i915: Only mark a register as available if all components are written</li>
  269.  <li>i915: Calculate partial result to temp register first</li>
  270.  <li>i915: Force lowering of all types of indirect array accesses in the FS</li>
  271.  <li>docs: Update 7.9.2 release notes for recent cherry picks</li>
  272.  <li>docs: Clean up bug fixes list</li>
  273.  <li>intel: Remove driver date and related bits from renderer string</li>
  274.  <li>mesa: set version string to 7.9.2 (final)</li>
  275. </ul>
  276.  
  277. <p>Jian Zhao (1):</p>
  278. <ul>
  279.  <li>mesa: fix an error in uniform arrays in row calculating.</li>
  280. </ul>
  281.  
  282. <p>Julien Cristau (3):</p>
  283. <ul>
  284.  <li>glx: fix request lengths</li>
  285.  <li>glx: fix GLXChangeDrawableAttributesSGIX request</li>
  286.  <li>glx: fix length of GLXGetFBConfigsSGIX</li>
  287. </ul>
  288.  
  289. <p>Keith Packard (1):</p>
  290. <ul>
  291.  <li>glsl: Eliminate reduce/reduce conflicts in glsl grammar</li>
  292. </ul>
  293.  
  294. <p>Kenneth Graunke (12):</p>
  295. <ul>
  296.  <li>glsl: Expose a public glsl_type::void_type const pointer.</li>
  297.  <li>glsl: Don't bother unsetting a destructor that was never set.</li>
  298.   <li>glsl, i965: Remove unnecessary talloc includes.</li>
  299.   <li>glcpp: Remove use of talloc reference counting.</li>
  300.   <li>ralloc: Add a fake implementation of ralloc based on talloc.</li>
  301.   <li>Convert everything from the talloc API to the ralloc API.</li>
  302.   <li>ralloc: a new MIT-licensed recursive memory allocator.</li>
  303.   <li>Remove talloc from the make and automake build systems.</li>
  304.   <li>Remove talloc from the SCons build system.</li>
  305.   <li>Remove the talloc sources from the Mesa repository.</li>
  306.   <li>glsl: Fix use of uninitialized values in _mesa_glsl_parse_state ctor.</li>
  307.   <li>glsl: Use reralloc instead of plain realloc.</li>
  308. </ul>
  309.  
  310. <p>Marek Olšák (3):</p>
  311. <ul>
  312.   <li>docs: fix messed up names with special characters in relnotes-7.9.1</li>
  313.   <li>mesa: fix texture3D mipmap generation for UNSIGNED_BYTE_3_3_2</li>
  314.   <li>st/dri: Track drawable context bindings</li>
  315. </ul>
  316.  
  317. <p>Paulo Zanoni (1):</p>
  318. <ul>
  319.   <li>dri_util: fail driCreateNewScreen if InitScreen is NULL</li>
  320. </ul>
  321.  
  322. <p>Sam Hocevar (2):</p>
  323. <ul>
  324.   <li>docs: add glsl info</li>
  325.   <li>docs: fix glsl_compiler name</li>
  326. </ul>
  327.  
  328. <p>Vinson Lee (1):</p>
  329. <ul>
  330.   <li>ralloc: Add missing va_end following va_copy.</li>
  331. </ul>
  332.  
  333. <p>nobled (1):</p>
  334. <ul>
  335.   <li>glx: Put null check before use</li>
  336. </ul>
  337.  
  338. </div>
  339. </body>
  340. </html>
  341.