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Hajo Hund

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    This issue is fixed by Intel in their latest driver update (15.46.02.4729 – released on 11 JUL 2017 ) available at – https://downloadcenter.intel.com/download/26941/Graphics-Intel-Graphics-Driver-for-Windows-15-46-?product=88358

    This update cannot show up driver search, as it might take some time for Microsoft to get it integrated in their Surface Pro driver updates. Microsoft prevents installing driver directly from Intel if you try the installer directly, however latest driver from Intel can be installed with steps listed in section “Update video adapter device drivers” > “Intel (Surface Pro devices)” in below link

    https://helpx.adobe.com/illustrator/kb/illustrator-gpu-performance-driver-update.html

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    Hajo Hund commented  · 

    I can confirm that after installing newer graphics driver the problem generally no longer seem to occur.

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    Hajo Hund commented  · 

    GL_ARB_vertex_shader GL_ARB_vertex_type_10f_11f_11f_rev GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_ARB_window_pos GL_ATI_separate_stencil GL_EXT_abgr GL_EXT_bgra GL_EXT_blend_color GL_EXT_blend_equation_separate GL_EXT_blend_func_separate GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_clip_volume_hint GL_EXT_compiled_vertex_array GL_EXT_direct_state_access GL_EXT_draw_buffers2 GL_EXT_draw_range_elements GL_EXT_fog_coord GL_EXT_framebuffer_blit GL_EXT_framebuffer_multisample GL_EXT_framebuffer_object GL_EXT_geometry_shader4 GL_EXT_gpu_program_parameters GL_EXT_gpu_shader4 GL_EXT_multi_draw_arrays GL_EXT_packed_depth_stencil GL_EXT_packed_float GL_EXT_packed_pixels GL_EXT_polygon_offset_clamp GL_EXT_rescale_normal GL_EXT_secondary_color GL_EXT_separate_specular_color GL_EXT_shader_framebuffer_fetch GL_EXT_shader_integer_mix GL_EXT_shadow_funcs GL_EXT_stencil_two_side GL_EXT_stencil_wrap GL_EXT_texture3D GL_EXT_texture_array GL_EXT_texture_compression_s3tc GL_EXT_texture_edge_clamp GL_EXT_texture_env_add GL_EXT_texture_env_combine GL_EXT_texture_filter_anisotropic GL_EXT_texture_integer GL_EXT_texture_lod_bias GL_EXT_texture_rectangle GL_EXT_texture_sRGB GL_EXT_texture_sRGB_decode GL_EXT_texture_shared_exponent GL_EXT_texture_snorm GL_EXT_texture_storage GL_EXT_texture_swizzle GL_EXT_timer_query GL_EXT_transform_feedback GL_IBM_texture_mirrored_repeat GL_INTEL_conservative_rasterization GL_INTEL_fragment_shader_ordering GL_INTEL_framebuffer_CMAA GL_INTEL_map_texture GL_INTEL_multi_rate_fragment_shader GL_INTEL_performance_query GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_KHR_debug GL_KHR_texture_compression_astc_hdr GL_KHR_texture_compression_astc_ldr GL_NV_blend_square GL_NV_conditional_render GL_NV_primitive_restart GL_NV_texgen_reflection GL_SGIS_generate_mipmap GL_SGIS_texture_edge_clamp GL_SGIS_texture_lod GL_SUN_multi_draw_arrays GL_WIN_swap_hint
    Number of Displays: 1
    Number of Drivers: 1
    Vendor: Intel
    Renderer: Intel(R) Iris(TM) Plus Graphics 640
    Active Display Name: \\.\DISPLAY1
    PrimaryDisplayAdapterIndex: 0
    Display Adapter[0] VendorID: 8086
    Display Adapter[0] DeviceID: 5926
    Display Adapter[0] SubSysId: 261414
    Display Adapter[0] Revision: 6
    Display Adapter[0] DedicatedVideoMemory: 128
    Display Adapter[0] DedicatedSystemMemory: 0
    Display Adapter[0] SharedSystemMemory: 4058
    Display Adapter[0] Attached Monitors: \\.\DISPLAY1
    Display Adapter[0] PrimaryMonitor: 1
    Display Adapter[1] VendorID: 1414
    Display Adapter[1] DeviceID: 8c
    Display Adapter[1] SubSysId: 0
    Display Adapter[1] Revision: 0
    Display Adapter[1] DedicatedVideoMemory: 0
    Display Adapter[1] DedicatedSystemMemory: 0
    Display Adapter[1] SharedSystemMemory: 4058
    Display Adapter[1] Attached Monitors: None
    Display Adapter[1] PrimaryMonitor: 0
    ActiveDriverIndex: 0
    Driver[0] Name: Intel(R) Iris(TM) Plus Graphics 640
    Driver[0] Driver Version: 21.20.16.4636
    Driver[0] Driver Date: 20170321000000.000000-000
    Driver[0] Adapter RAM: 1024
    Driver[0] PNP DeviceID: PCI\VEN_8086&DEV_5926&SUBSYS_00261414&REV_06\3&11583659&0&10
    Driver[0] Installed Display Drivers: igdumdim64,igd10iumd64,igd10iumd64,igd12umd64,igdumdim32,igd10iumd32,igd10iumd32,igd12umd32
    DefaultEnableGPU: 1
    MSAA Factor: 0

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    Hajo Hund commented  · 

    Sorry I missed your reply, I'll post the requested info in multiple separate posts since the character limit is apparently set to 5000:

    Hajo Hund supported this idea  · 
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    Hajo Hund commented  · 

    Enabling GPU rendering in illustrator on my brand new Surface pro 2017 results in weird/jagged line contours, see screenshot.
    I have posted this issue on the illustrator forum (https://forums.adobe.com/thread/2361553), seems to affect not only my system. Currently using version 21.1.0.

    The GPU is listed as compatible on the online compatibility list, as well as in the software, so I would expect it to work accordingly.

    Thanks inadvance for looking into this,

    kind regards,

    Hajo Hund

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