# The Mesa 3D Graphics Library

# Mesa 17.2.2 Release Notes / October 2, 2017

Mesa 17.2.2 is a bug fix release which fixes bugs found since the 17.2.1 release.

Mesa 17.2.2 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

    8242256f3243ed3f35184ed7bf0a9070439ccdf477a3bd9cfd2437c0b2f9bc7f  mesa-17.2.2.tar.gz
    cf522244d6a5a1ecde3fc00e7c96935253fe22f808f064cab98be6f3faa65782  mesa-17.2.2.tar.xz

## New features

None

## Bug fixes

- Bug 102573 - fails to build on armel
- Bug 102844 - memory leak with glDeleteProgram for shader program type GL_COMPUTE_SHADER
- Bug 102847 - swr fail to build with llvm-5.0.0
- Bug 102904 - piglit and gl45 cts linker tests regressed

## Changes

Alexandru-Liviu Prodea (1):

- Scons: Add LLVM 5.0 support

Bas Nieuwenhuizen (1):

- radv: Check for GFX9 for 1D arrays in image_size intrinsic.

Boris Brezillon (1):

- broadcom/vc4: Fix infinite retry in vc4_bo_alloc()

Dave Airlie (3):

- radv/nir: call opt_remove_phis after trivial continues.
- ac/surface: handle S8 on gfx9
- st/glsl->tgsi: fix u64 to bool comparisons.

David Airlie (1):

- radv: add gfx9 scissor workaround

Emil Velikov (2):

- docs: add sha256 checksums for 17.2.1
- automake: enable libunwind in `make distcheck'

Eric Anholt (4):

- broadcom/vc4: Fix use-after-free for flushing when writing to a texture.
- broadcom/vc4: Fix use-after-free trying to mix a quad and tile clear.
- broadcom/vc4: Fix use-after-free when deleting a program.
- broadcom/vc4: Keep pipe_sampler_view->texture matching the original texture.

Gert Wollny (2):

- travis: force llvm-3.3 for "make Gallium ST Other"
- travis: Add libunwind-dev to gallium/make builds

Grazvydas Ignotas (1):

- configure: check if -latomic is needed for __atomic_*

Ian Romanick (1):

- nv20: Fix GL_CLAMP

Jason Ekstrand (6):

- i965/blorp: Set r8stencil_needs_update when writing stencil
- vulkan/wsi/wayland: Stop printing out the DRM device
- vulkan/wsi/wayland: Refactor wsi_wl_display code
- vulkan/wsi/wayland: Stop caching Wayland displays
- vulkan/wsi/wayland: Copy wl_proxy objects from oldSwapchain if available
- vulkan/wsi/wayland: Return better error messages

Juan A. Suarez Romero (4):

- cherry-ignore: add "radeonsi/gfx9: proper workaround for LS/HS VGPR initialization bug"
- cherry-ignore: add "radv: Check for GFX9 for 1D arrays in image_size intrinsic."
- cherry-ignore: add "radv: copy the number of viewports/scissors at pipeline bind time"
- Update version to 17.2.2

Józef Kucia (1):

- anv: Fix descriptors copying

Kenneth Graunke (2):

- i965/vec4: Actually handle atomic op intrinsics.
- i965/vec4: Fix swizzles on atomic sources.

Leo Liu (1):

- st/va/postproc: use video original size for postprocessing

Lucas Stach (1):

- etnaviv: fix 16bpp clears

Matt Turner (2):

- util: Link libmesautil into u_atomic_test
- util/u_atomic: Add implementation of __sync_val_compare_and_swap_8

Nicolai Hähnle (9):

- radeonsi: workaround for gather4 on integer cube maps
- amd/common: round cube array slice in ac_prepare_cube_coords
- amd/common: add workaround for cube map array layer clamping
- glsl/linker: fix output variable overlap check
- radeonsi: fix array textures layer coordinate
- radeonsi: set MIP_POINT_PRECLAMP to 0
- amd/addrlib: fix missing va_end() after va_copy()
- amd/common: move ac_build_phi from radeonsi
- radeonsi: fix a regression in integer cube map handling

Samuel Iglesias Gonsálvez (1):

- anv: fix viewport transformation for z component

Samuel Pitoiset (1):

- radv: fix saved compute state when doing statistics/occlusion queries

Tapani Pälli (1):

- mesa: free current ComputeProgram state in _mesa_free_context_data

Tim Rowley (1):

- swr/rast: remove llvm fence/atomics from generated files

Tomasz Figa (1):

- egl/dri2: Implement swapInterval fallback in a conformant way