# Mesa 18.1.0 Release Notes / May 18 2018

Mesa 18.1.0 is a new development release. People who are concerned with stability and reliability should stick with a previous release or wait for Mesa 18.1.1.

Mesa 18.1.0 implements the OpenGL 4.5 API, but the version reported by glGetString(GL_VERSION) or glGetIntegerv(GL_MAJOR_VERSION) / glGetIntegerv(GL_MINOR_VERSION) depends on the particular driver being used. Some drivers don’t support all the features required in OpenGL 4.5. OpenGL 4.5 is only available if requested at context creation. Compatibility contexts may report a lower version depending on each driver.

## SHA256 checksums

    b1c1dbb42597190503d3abc518b12de880623f097c6cb6c293ecf69ae87e6fbf  mesa-18.1.0.tar.gz
    c855c5b67ef993b7621f76d8b120769ec0415f1c3616eaff44ef7f7f300aceba  mesa-18.1.0.tar.xz

## New features

Note: some of the new features are only available with certain drivers.

- OpenGL 3.1 with ARB_compatibility on nv50, nvc0, r600, radeonsi, softpipe, llvmpipe, svga

- GL_ARB_bindless_texture on nvc0/maxwell+

- GL_ARB_transform_feedback_overflow_query on nvc0

- GL_EXT_semaphore on radeonsi

- GL_EXT_semaphore_fd on radeonsi

- GL_EXT_shader_framebuffer_fetch on i965 on desktop GL (GLES was already supported)

- GL_EXT_shader_framebuffer_fetch_non_coherent on i965

- GL_KHR_blend_equation_advanced on radeonsi

- Disk shader cache support for i965 enabled by default

## Bug fixes

- Bug 90311 - Fail to build libglx with clang at linking stage

- Bug 91808 - trine1 misrender r600g

- Bug 95009 - [SNB] amd_shader_trinary_minmax.execution.built-in-functions.gs-mid3-ivec2-ivec2-ivec2 intermittent

- Bug 95012 - [SNB] glsl-1_50.execution.built-in-functions.gs-op tests intermittent

- Bug 98281 - ‘message’s in ctx->Debug.LogMessages[] seem to leak.

- Bug 99549 - pp: Failed to translate a shader

- Bug 100259 - [EGL] [GBM] undefined reference to `gbm_bo_create_with_modifiers’

- Bug 101408 - [Gen8+] Xonotic fails to render one of the weapons

- Bug 101442 - Piglit shaders@ssa@fs-if-def-else-break fails with sb but passes with R600_DEBUG=nosb

- Bug 102342 - mesa-17.1.7/src/gallium/auxiliary/pipebuffer/pb_cache.c:169]: (style) Suspicious condition

- Bug 102542 - mesa-17.2.0/src/gallium/state_trackers/nine/nine_ff.c:1938: bad assignment ?

- Bug 102905 - [R600] Miscompilation of TGSI to VLIW causes artifacts in Gallium Nine with Crysis2 bump mapping

- Bug 103006 - [OpenGL CTS] [HSW] KHR-GL45.vertex_attrib_binding.basic-inputL-case1

- Bug 103142 - R600g+sb: optimizer apparently stuck in an endless loop

- Bug 103626 -

- Bug 103746 - [BDW BSW SKL KBL] dEQP-GLES31.functional.copy_image regressions

- Bug 104302 - Wolfenstein 2 (2017) under wine graphical artifacting on RADV

- Bug 104335 - [OpenGL CTS][SKL,KBL] KHR-GL45.vertex_attrib_64bit.limits_test occasionally fails

- Bug 104625 - semicolon after if

- Bug 104636 - [BSW/HD400] Aztec Ruins GL version GPU hangs

- Bug 104642 - Android: NULL pointer dereference with i965 mesa-dev, seems build_id_length related

- Bug 104654 - r600/sb: Alien Isolation GPU lock

- Bug 104668 - dEQP-GLES31.functional.shaders.linkage.uniform.block.differing_precision regression

- Bug 104717 - Rocket League: grass rendering broken with nir

- Bug 104732 - [radv] Binding descriptor sets disturbs other pipeline bindings

- Bug 104741 - Graphic corruption for Android apps Telegram and KineMaster

- Bug 104762 - Various segfaults/problems in qt/plasma

- Bug 104777 - Attaching multiple shader objects for the same stage to a GLSL program triggers a linker error

- Bug 104794 - piglit.spec.arb_internalformat_query2.samples and num_sample_counts pname checks

- Bug 104803 - SIGSEGV in state_tracker/st_glsl_to_tgsi_temprename.cpp

- Bug 104863 - 186 assertions in piglit

- Bug 104884 - memory leak with intel i965 mesa when running android container in Ubuntu

- Bug 104905 - SpvOpFOrdEqual doesn’t return correct results for NaNs

- Bug 104908 - Texture Compression Hint not converted to enum16

- Bug 104915 - Indexed SHADING_LANGUAGE_VERSION query not supported

- Bug 104923 - anv: Dota2 rendering corruption

- Bug 104989 - [r600] [bisected] OpenGL applications can’t render anything at all

- Bug 105013 - [regression] GLX+VA-API+clutter-gst video playback is corrupt with Mesa 17.3 (but is fine with 17.2)

- Bug 105026 - glxgears asserts with pp_jimenezmlaa=1

- Bug 105029 - simdlib_512_avx512.inl:371:57: error: could not convert ‘_mm512_mask_blend_epi32((__mmask16)(ImmT), a, b)’ from ‘__m512i’ {aka ‘__vector(8) long long int’} to ‘SIMDImpl::SIMD512Impl::Float’

- Bug 105052 -

- Bug 105065 - Qt Programs occasionally fail to render with new Mesa (glGetProgramBinary)

- Bug 105067 -

- Bug 105088 - brw_nir_uniforms.cpp:256:10: error: non-constant-expression cannot be narrowed

- Bug 105098 - [RADV] GPU freeze with simple Vulkan App

- Bug 105103 - Wayland master causes Mesa to fail to compile

- Bug 105120 - meson build broken

- Bug 105161 - KHR_blend_equation_advanced doesn’t work in GLSL 1.10-1.40 shaders

- Bug 105183 - Weird assertion in NIR linker

- Bug 105211 - build failure after zwp_dmabuf commit if wayland-protocols is not installed

- Bug 105224 - Webgl Pointclouds flickers

- Bug 105229 - [KBL SKL BDW HSW] [Regression] KHR-GLES31.core.shader_image_load_store.advanced-sso-simple failures

- Bug 105238 - ast.h:648:16: error: union member ‘i’ has a non-trivial constructor

- Bug 105255 - Waiting for fences without waitAll is not implemented

- Bug 105262 - [R600] [BISECTED] ttf fonts are invisible in many programs

- Bug 105271 - WebGL2 shader crashes i965_dri.so 17.3.3

- Bug 105274 -

- Bug 105290 -

- Bug 105292 - vkGetQueryPoolResults returns incorrect query status for large query buffers (bisected)

- Bug 105317 - The GPU Vega 56 was hang while try to pass #GraphicsFuzz shader15 test

- Bug 105320 - Storage texel buffer access produces wrong results (RX Vega)

- Bug 105374 - texture3d, a SaschaWillems demo, assert fails

- Bug 105436 - Blinking textures in UT2004 [bisected]

- Bug 105440 - GEN7: rendering issue on citra

- Bug 105442 - Hang when running nine ff lighting shader with radeonsi

- Bug 105444 - Enable GL disk shader cache when transform feedback is enabled

- Bug 105464 -

- Bug 105471 - [g33] [bisected] dEQP-GLES2.functional.shaders failures

- Bug 105497 - shader-db crashes on 72 core system after ast_type_qualifier bitset change

- Bug 105529 - u_debug_stack.c:268: error: #pragma GCC diagnostic not allowed inside functions

- Bug 105567 - meson/ninja: 1. mesa/vdpau incorrect symlinks in DESTDIR and 2. Ddri-drivers-path Dvdpau-libs-path overrides DESTDIR

- Bug 105621 - Build failure on GNOME Continuous

- Bug 105634 - Android build test fails when building brw_oa_metrics.c

- Bug 105670 -

- Bug 105704 -

- Bug 105717 - [bisected] Mesa build tests fails: BIGENDIAN_CPU or LITTLEENDIAN_CPU must be defined

- Bug 105737 - st_tests_common.cpp:140:42: error: no matching function for call to ‘tgsi_get_opcode_info’

- Bug 105738 - commit f7ffa504a065dc2631fd38cc5fe885b277f4e7e7 causes artifacting in radv

- Bug 105740 - glsl_types.cpp(524): error: a dynamically-initialized local static variable is not allowed inside of a statement expression

- Bug 105775 - SI reaches the maximum IB size in dwords and fail to submit

- Bug 105807 - [Regression, bisected]: 3D Rendering not working correctly in Warhammer 40k: Dawn of War II

- Bug 105817 - scons build broken by glSpecializeShaderARB

- Bug 105820 - [m32] piglit regressions relinking program without shaders

- Bug 105942 - Graphical artefacts after update to mesa 18.0.0-2

- Bug 105952 - radv causes GPU hang on SI

- Bug 105960 - [bisected] meson build test fails with: undefined reference to `etna_pm_create_query’

- Bug 105994 - surface state leak when creating and destroying image views with aspectMask depth and stencil

- Bug 106074 - radv: si_scissor_from_viewport returns incorrect result when using half-pixel viewport offset

- Bug 106126 - eglMakeCurrent does not always ensure dri_drawable->update_drawable_info has been called for a new EGLSurface if another has been created and destroyed first

- Bug 106131 - meson/ninja build missing file gtest.h

- Bug 106133 - make check “OSError: [Errno 24] Too many open files”

- Bug 106147 - SIGBUS in write_reloc() when Sacha Willems’ “texture3d” Vulkan demo starts

- Bug 106174 - vulkan dota2 broken (segfaulting), found bug commit

- Bug 106180 - [bisected] radv vulkan smoke test black screen (Add support for DRI3 v1.2)

- Bug 106243 - [kbl] GPU HANG: 9:0:0x85dffffb, in Cinnamon

- Bug 106450 -

- Bug 106462 - piglit.spec.arb_vertex_array_bgra.get regression

## Changes

- Remove incomplete GLX_SGIX_swap_barrier stubs from the Xlib libGL

- Remove incomplete GLX_SGIX_swap_group stubs from the Xlib libGL