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  11   The Mesa 3D Graphics Library
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  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 <code>layout</code> qualifier
  52 with <code>in</code>, <code>out</code>, <code>attribute</code>, and <code>varying</code>.</li>
  53
  54 <li>Fix an i965 GPU hang in GLSL shaders that contain an unconditional <code>discard</code> 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
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