xref: /xsrc/external/mit/MesaLib/dist/docs/relnotes/17.2.6.rst

Mesa 17.2.6 Release Notes / November 25, 2017
=============================================

Mesa 17.2.6 is a bug fix release which fixes bugs found since the 17.2.5
release.

Mesa 17.2.6 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
because compatibility contexts are not supported.

SHA256 checksums
----------------

::

   a9ed76702ffb14ad674ad48899f5c8c7e3a0f987911878a5dfdc4117dce5b415  mesa-17.2.6.tar.gz
   6ad85224620330be26ab68c8fc78381b12b38b610ade2db8716b38faaa8f30de  mesa-17.2.6.tar.xz

New features
------------

None

Bug fixes
---------

-  `Bug 100438 <https://bugs.freedesktop.org/show_bug.cgi?id=100438>`__
   - glsl/ir.cpp:1376:
   ir_dereference_variable::ir_dereference_variable(ir_variable*):
   Assertion \`var != NULL' failed.
-  `Bug 102177 <https://bugs.freedesktop.org/show_bug.cgi?id=102177>`__
   - [SKL] ES31-CTS.core.sepshaderobjs.StateInteraction fails
   sporadically
-  `Bug 103115 <https://bugs.freedesktop.org/show_bug.cgi?id=103115>`__
   - [BSW BXT GLK]
   dEQP-VK.spirv_assembly.instruction.compute.sconvert.int32_to_int64
-  `Bug 103519 <https://bugs.freedesktop.org/show_bug.cgi?id=103519>`__
   - wayland egl apps crash on start with mesa 17.2
-  `Bug 103529 <https://bugs.freedesktop.org/show_bug.cgi?id=103529>`__
   - [GM45] GPU hang with mpv fullscreen (bisected)
-  `Bug 103628 <https://bugs.freedesktop.org/show_bug.cgi?id=103628>`__
   - [BXT, GLK, BSW] KHR-GL46.shader_ballot_tests.ShaderBallotBitmasks
-  `Bug 103787 <https://bugs.freedesktop.org/show_bug.cgi?id=103787>`__
   - [BDW,BSW] gpu hang on
   spec.arb_pipeline_statistics_query.arb_pipeline_statistics_query-comp

Changes
-------

Adam Jackson (2):

-  glx/drisw: Fix glXMakeCurrent(dpy, None, ctx)
-  glx/dri3: Fix passing renderType into glXCreateContext

Alex Smith (2):

-  spirv: Use correct type for sampled images
-  nir/spirv: tg4 requires a sampler

Andres Gomez (14):

-  docs: add sha256 checksums for 17.2.5
-  cherry-ignore: intel/fs: Use a pure vertical stride for large
   register strides
-  cherry-ignore: intel/nir: Use the correct indirect lowering masks in
   link_shaders
-  cherry-ignore: intel/fs: Use the original destination region for int
   MUL lowering
-  cherry-ignore: intel/fs: refactors
-  cherry-ignore: r600/shader: reserve first register of vertex shader.
-  cherry-ignore: anv/cmd_buffer: Advance the address when initializing
   clear colors
-  cherry-ignore: anv/cmd_buffer: Take bo_offset into account in fast
   clear state addresses
-  cherry-ignore: i965: Mark BOs as external when we export their handle
-  cherry-ignore: added 17.3 nominations.
-  cherry-ignore: glsl: Fix typo fragement -> fragment
-  cherry-ignore: egl: pass the dri2_dpy to the $plat_teardown functions
-  cherry-ignore: Revert "intel/fs: Use a pure vertical stride for large
   register strides"
-  Update version to 17.2.6

Anuj Phogat (2):

-  i965: Program DWord Length in MI_FLUSH_DW
-  i965/gen8+: Fix the number of dwords programmed in MI_FLUSH_DW

Bas Nieuwenhuizen (2):

-  radv: Free syncobj with multiple imports.
-  radv: Free temporary syncobj after waiting on it.

Dave Airlie (1):

-  r600: fix isoline tess factor component swapping.

Derek Foreman (1):

-  egl/wayland: Add a fallback when fourcc query isn't supported

Dylan Baker (1):

-  autotools: Set C++ visibility flags on Intel

Emil Velikov (3):

-  targets/opencl: don't hardcode the icd file install to /etc/...
-  configure.ac: loosen --enable-glvnd check to honour egl
-  configure.ac: require xcb\* for the omx/va/... when using x11
   platform

George Barrett (1):

-  glsl: Catch subscripted calls to undeclared subroutines

Jason Ekstrand (9):

-  intel/fs: Use ANY/ALL32 predicates in SIMD32
-  intel/fs: Use an explicit D type for vote any/all/eq intrinsics
-  intel/fs: Use a pair of 1-wide MOVs instead of SEL for any/all
-  intel/eu/reg: Add a subscript() helper
-  intel/fs: Fix MOV_INDIRECT for 64-bit values on little-core
-  intel/fs: Fix integer multiplication lowering for src/dst hazards
-  intel/fs: Mark 64-bit values as being contiguous
-  intel/fs: Rework zero-length URB write handling
-  i965: Add stencil buffers to cache set regardless of stencil
   texturing

Kenneth Graunke (5):

-  i965: properly initialize brw->cs.base.stage to MESA_SHADER_COMPUTE
-  i965: Make L3 configuration atom listen for TCS/TES program updates.
-  intel/tools: Fix detection of enabled shader stages.
-  i965: Implement another VF cache invalidate workaround on Gen8+.
-  i965: Upload invariant state once at the start of the batch on
   Gen4-5.

Matt Turner (2):

-  i965/fs: Fix extract_i8/u8 to a 64-bit destination
-  i965/fs: Split all 32->64-bit MOVs on CHV, BXT, GLK

Neil Roberts (1):

-  glsl: Transform fb buffers are only active if a variable uses them

Nicolai Hähnle (1):

-  ddebug: fix use-after-free of streamout targets

Tim Rowley (2):

-  swr/rast: Use gather instruction for i32gather_ps on simd16/avx512
-  swr/rast: Faster emulated simd16 permute

Timothy Arceri (3):

-  glsl: drop cache_fallback
-  glsl: use the correct parent when allocating program data members
-  mesa: rework how we free gl_shader_program_data