Monday, May 22, 2017

How to Install Mesa 17.1.0 via PPA on Ubuntu Desktop

   Mesa 17.1.0 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 because compatibility contexts are not supported.


Mesa 17.1.0  New features
  • OpenGL 4.2 on i965/ivb
  • GL_ARB_gpu_shader_fp64 on i965/ivybridge
  • GL_ARB_gpu_shader_int64 on i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe
  • GL_ARB_shader_ballot on nvc0, radeonsi
  • GL_ARB_shader_clock on nv50, nvc0, radeonsi
  • GL_ARB_shader_group_vote on radeonsi
  • GL_ARB_shader_precision on i965/ivb
  • GL_ARB_shader_viewport_layer_array on radeonsi
  • GL_ARB_sparse_buffer on radeonsi/CIK+
  • GL_ARB_transform_feedback2 on i965/gen6
  • GL_ARB_transform_feedback_overflow_query on i965/gen6+
  • GL_ARB_vertex_attrib_64bit on i965/ivb
  • GL_NV_fill_rectangle on nvc0
  • Geometry shaders enabled on swr
Bug fixes
  • 9.2-rc1 workaround for clover build failure on ppc/altivec: cannot convert 'bool' to '__vector(4) __bool int' in return
  • X.Org segfaults when starting DE on an Intel+Radeon laptop, caused by libpciaccess cleanup, patch attached
  • mesa fails to check for gcc atomic primitives before using them
  • Please add more drivers (freedreno, virgl) to features.txt status document
  • [BYT, HSW, SKL, BXT, KBL] GPU hangs with GfxBench 4.0 CarChase
  • [dri][swr] stack overflow / infinite loop with GALLIUM_DRIVER=swr
  • Black squares in the Spec Ops: The Line chapter select screen
  • Samplers referring to the same texture unit with different types should raise GL_INVALID_OPERATION
  • glsl/tests/cache-test regression
  • [radeonsi] playing back videos with VDPAU exhibits deinterlacing/anti-aliasing issues not visible with VA-API
  • [radv] The Talos Principle fails to launch with "Fatal error: Cannot set display mode."
  • Undefined non-weak-symbol in dri-drivers
  • Delay when starting firefox, thunderbird or chromium and dmesg spam
  • Electronic Super Joy graphic artefacts (regression,bisected)
  • Wasteland 2 Directors Cut: Hangs. GPU fault
  • --disable-gallium-llvm no longer recognized
  • [d3dadapter+radeonsi & bisect] EVE-Online : hang on wormhole sight
  • i965: Piglit egl_khr_gl_renderbuffer_image-clear-shared-image fails
  • Blender line rendering broken after removing XY clipping of lines
  • [g33] regression: piglit.spec.!opengl 1_0.gl-1_0-beginend-coverage
  • [amdgpu] Payday 2 visual glitches on some models
  • polygon offset use after free
See announcement for full details

 Installation instructions:

    Open terminal and insert command line...

$ sudo add-apt-repository ppa:ubuntu-x-swat/updates

$ sudo apt-get update

$ sudo apt-get dist-upgrade

 To check result, run command:

$ glxinfo | grep "OpenGL version"

 
refer original : https://howto-ubuntunew.blogspot.com/

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