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     11   <h1>The Mesa 3D Graphics Library</h1>
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     16 
     17 <h1>Mesa 17.2.3 Release Notes / October 19, 2017</h1>
     18 
     19 <p>
     20 Mesa 17.2.3 is a bug fix release which fixes bugs found since the 17.2.2 release.
     21 </p>
     22 <p>
     23 Mesa 17.2.3 implements the OpenGL 4.5 API, but the version reported by
     24 glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) /
     25 glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being used.
     26 Some drivers don't support all the features required in OpenGL 4.5.  OpenGL
     27 4.5 is <strong>only</strong> available if requested at context creation
     28 because compatibility contexts are not supported.
     29 </p>
     30 
     31 
     32 <h2>SHA256 checksums</h2>
     33 <pre>
     34 fb305eecfeec1fd771fdc96fff973c51871f7bd35fd2bd56cacc27b4b8823220  mesa-17.2.3.tar.gz
     35 a0b0ec8f7b24dd044d7ab30a8c7e6d3767521e245f88d4ed5dd93315dc56f837  mesa-17.2.3.tar.xz
     36 </pre>
     37 
     38 
     39 <h2>New features</h2>
     40 <p>None</p>
     41 
     42 
     43 <h2>Bug fixes</h2>
     44 
     45 <ul>
     46 
     47 <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=101832">Bug 101832</a> - [PATCH][regression][bisect] Xorg fails to start after f50aa21456d82c8cb6fbaa565835f1acc1720a5d</li>
     48 
     49 <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=102852">Bug 102852</a> - Scons: Support the new Scons 3.0.0</li>
     50 
     51 <li><a href="https://bugs.freedesktop.org/show_bug.cgi?id=102940">Bug 102940</a> - Regression: Vulkan KMS rendering crashes since 17.2</li>
     52 
     53 </ul>
     54 
     55 
     56 <h2>Changes</h2>
     57 
     58 <p>Alex Smith (1):</p>
     59 <ul>
     60   <li>radv: Add R16G16B16A16_SNORM fast clear support</li>
     61 </ul>
     62 
     63 <p>Bas Nieuwenhuizen (2):</p>
     64 <ul>
     65   <li>nir/spirv: Allow loop breaks in a switch body.</li>
     66   <li>radv: Only set the MTYPE flags on GFX9+.</li>
     67 </ul>
     68 
     69 <p>Ben Crocker (4):</p>
     70 <ul>
     71   <li>gallivm: fix typo in debug_printf message</li>
     72   <li>gallivm: allow additional llc options</li>
     73   <li>gallivm/ppc64le: adjust VSX code generation control.</li>
     74   <li>gallivm/ppc64le: allow environmental control of Altivec code generation</li>
     75 </ul>
     76 
     77 <p>Daniel Stone (2):</p>
     78 <ul>
     79   <li>egl/wayland: Check queryImage return for wl_buffer</li>
     80   <li>egl/wayland: Don't use dmabuf with no modifiers</li>
     81 </ul>
     82 
     83 <p>Dave Airlie (2):</p>
     84 <ul>
     85   <li>radv: emit fmuladd instead of fma to llvm.</li>
     86   <li>radv: lower ffma in nir.</li>
     87 </ul>
     88 
     89 <p>Emil Velikov (6):</p>
     90 <ul>
     91   <li>cherry-ignore: add "anv: Remove unreachable cases from isl_format_for_size"</li>
     92   <li>cherry-ignore: add "anv/wsi: Allocate enough memory for the entire image"</li>
     93   <li>swr/rast: do not crash on NULL strings returned by getenv</li>
     94   <li>wayland-drm: use a copy of the wayland_drm_callbacks struct</li>
     95   <li>eglmesaext: add forward declaration for struct wl_buffers</li>
     96   <li>Update version to 17.2.3</li>
     97 </ul>
     98 
     99 <p>Eric Engestrom (1):</p>
    100 <ul>
    101   <li>scons: use python3-compatible print()</li>
    102 </ul>
    103 
    104 <p>Ilia Mirkin (2):</p>
    105 <ul>
    106   <li>nv50/ir: fix 64-bit integer shifts</li>
    107   <li>nv50,nvc0: fix push hint logic in presence of a start offset</li>
    108 </ul>
    109 
    110 <p>Jason Ekstrand (6):</p>
    111 <ul>
    112   <li>intel/compiler: Don't cmod propagate into a saturated operation</li>
    113   <li>intel/compiler: Don't propagate cmod into integer multiplies</li>
    114   <li>glsl/blob: Return false from ensure_can_read on overrun</li>
    115   <li>glsl/blob: Return false from grow_to_fit if we've ever failed</li>
    116   <li>nir/opcodes: Fix constant-folding of ufind_msb</li>
    117   <li>nir: Get rid of the variable on vote intrinsics</li>
    118 </ul>
    119 
    120 <p>Juan A. Suarez Romero (1):</p>
    121 <ul>
    122   <li>docs: add sha256 checksums for 17.2.2</li>
    123 </ul>
    124 
    125 <p>Jzef Kucia (3):</p>
    126 <ul>
    127   <li>anv: Fix vkCmdFillBuffer()</li>
    128   <li>spirv: Fix SpvOpAtomicISub</li>
    129   <li>anv: Do not assert() on VK_ATTACHMENT_UNUSED</li>
    130 </ul>
    131 
    132 <p>Leo Liu (3):</p>
    133 <ul>
    134   <li>st/va: use pipe transfer_map to map upload buffer</li>
    135   <li>st/vdpau: don't re-allocate interlaced buffer with packed YUV format</li>
    136   <li>st/va: don't re-allocate interlaced buffer with pakced format</li>
    137 </ul>
    138 
    139 <p>Lionel Landwerlin (4):</p>
    140 <ul>
    141   <li>intel: compiler: vec4: add missing default 0 lod</li>
    142   <li>anv/cmd_buffer: fix push descriptors with set &gt; 0</li>
    143   <li>anv/cmd_buffer: Reset state in cmd_buffer_destroy</li>
    144   <li>anv: bo_cache: allow importing a BO larger than needed</li>
    145 </ul>
    146 
    147 <p>Marek Olk (3):</p>
    148 <ul>
    149   <li>mesa: fix texture updates for ATI_fragment_shader</li>
    150   <li>st/mesa: don't use pipe_surface for passing information about EGLImage</li>
    151   <li>glsl_to_tgsi: fix instruction order for bindless textures</li>
    152 </ul>
    153 
    154 <p>Nicolai Hhnle (14):</p>
    155 <ul>
    156   <li>st/glsl_to_tgsi: fix conditional assignments to packed shader outputs</li>
    157   <li>amd/common: fix build_cube_select</li>
    158   <li>radeonsi/gfx9: fix geometry shaders without output vertices</li>
    159   <li>util/queue: fix a race condition in the fence code</li>
    160   <li>glsl/lower_instruction: handle denorms and overflow in ldexp correctly</li>
    161   <li>radeonsi: move current_rast_prim to r600_common_context</li>
    162   <li>radeonsi: don't discard points and lines</li>
    163   <li>radeonsi: deduce rast_prim correctly for tessellation point mode</li>
    164   <li>radeonsi: fix maximum advertised point size / line width</li>
    165   <li>st/mesa: don't clobber glGetInternalformat* buffer for GL_NUM_SAMPLE_COUNTS</li>
    166   <li>st/glsl_to_tgsi: fix indirect access to 64-bit integer</li>
    167   <li>st/glsl_to_tgsi: fix a use-after-free in merge_two_dsts</li>
    168   <li>radeonsi: clamp depth comparison value only for fixed point formats</li>
    169   <li>radeonsi: clamp border colors for upgraded depth textures</li>
    170 </ul>
    171 
    172 <p>Rob Clark (2):</p>
    173 <ul>
    174   <li>freedreno/a5xx: align height to GMEM</li>
    175   <li>freedreno/a5xx: fix missing restore state</li>
    176 </ul>
    177 
    178 
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