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SVG path not closing properly
Reported by
j.ing...@netcologne.de,
May 4 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36 Example URL: http://james-ingram.de/tests/ChromeSpikeBug/beamOnly.svg Steps to reproduce the problem: 1.Load the above SVG into Chrome. 2. 3. What is the expected behavior? The path should be a closed parallelogram. What went wrong? The path appears not to be closing properly at the default magnification. There is an unwanted spike projecting out to the right from the top right hand corner. The problem does not exist at most other magnifications. Does it occur on multiple sites: Yes Is it a problem with a plugin? No Did this work before? Yes Unknown, I expected this bug to be solved quickly, so didn't bother to report it immediately. I first noticed the problem a few weeks ago. Does this work in other browsers? Yes Chrome version: 57.0.2987.133 Channel: n/a OS Version: 10.0 Flash Version: This path has been isolated from a much larger SVG (created in 2012) that can be found at http://james-ingram.de/tests/ChromeSpikeBug/Study 2c3.1 page 1.svg The path (a beam) can be seen in its original position at the top right. I've seen the same problem some other of my SVGs.
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May 5 2017
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May 5 2017
This seems similar to https://bugs.chromium.org/p/chromium/issues/detail?id=690144 although that should have been fixed in M57. I'm not able to reproduce in Chrome 58 which is the current stable version. Could you try upgrading to 58 and seeing if this was fixed? If you're still able to reproduce in Chrome 58, please visit "about:gpu" and copy&paste that information here.
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May 5 2017
Upgraded to Chrome 58. The bug has been fixed. Many thanks!
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May 5 2017
Closing per c#5. Probably dupe of issue 690144 , but since we lack verification of that I'll mark this as WontFix.
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May 22 2017
This bug still exists after all! I have the latest version of Chrome (58.0.3029.110 (64-bit)) running on two Windows 10 Pro machines: A desktop computer and a laptop. Windows is up to date on both machines. The bug manifests itself on the desktop machine, but not on the laptop.
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May 22 2017
Here is the about:gpu information for the desktop machine: Graphics Feature Status Canvas: Hardware accelerated Flash: Hardware accelerated Flash Stage3D: Hardware accelerated Flash Stage3D Baseline profile: Hardware accelerated Compositing: Hardware accelerated Multiple Raster Threads: Enabled Native GpuMemoryBuffers: Software only. Hardware acceleration disabled Rasterization: Software only, hardware acceleration unavailable Video Decode: Hardware accelerated Video Encode: Hardware accelerated VPx Video Decode: Hardware accelerated WebGL: Hardware accelerated WebGL2: Hardware accelerated Driver Bug Workarounds clear_uniforms_before_first_program_use decode_encode_srgb_for_generatemipmap disable_discard_framebuffer disable_dxgi_zero_copy_video disable_framebuffer_cmaa disable_nv12_dxgi_video exit_on_context_lost force_cube_complete scalarize_vec_and_mat_constructor_args texsubimage_faster_than_teximage Problems Detected GPU rasterization should only be enabled on NVIDIA and Intel DX11+, and AMD RX-R2 GPUs for now.: 643850 Disabled Features: gpu_rasterization Some drivers are unable to reset the D3D device in the GPU process sandbox Applied Workarounds: exit_on_context_lost TexSubImage is faster for full uploads on ANGLE Applied Workarounds: texsubimage_faster_than_teximage Clear uniforms before first program use on all platforms: 124764, 349137 Applied Workarounds: clear_uniforms_before_first_program_use Always rewrite vec/mat constructors to be consistent: 398694 Applied Workarounds: scalarize_vec_and_mat_constructor_args ANGLE crash on glReadPixels from incomplete cube map texture: 518889 Applied Workarounds: force_cube_complete Framebuffer discarding can hurt performance on non-tilers: 570897 Applied Workarounds: disable_discard_framebuffer NV12 DXGI video hangs or displays incorrect colors on AMD drivers: 623029, 644293 Applied Workarounds: disable_dxgi_zero_copy_video, disable_nv12_dxgi_video Limited enabling of Chromium GL_INTEL_framebuffer_CMAA: 535198 Applied Workarounds: disable_framebuffer_cmaa Disable KHR_blend_equation_advanced until cc shaders are updated: 661715 Decode and Encode before generateMipmap for srgb format textures on Windows: 634519 Applied Workarounds: decode_encode_srgb_for_generatemipmap Native GpuMemoryBuffers have been disabled, either via about:flags or command line. Disabled Features: native_gpu_memory_buffers Version Information Data exported 22.5.2017, 15:10:47 Chrome version Chrome/58.0.3029.110 Operating system Windows NT 10.0.14393 Software rendering list version 12.20 Driver bug list version 9.36 ANGLE commit id 461d9a3060e3 2D graphics backend Skia/58 4c81ba6ba3a3270db809bf7d4c3bc782694a56a4 Command Line Args Files (x86)\Google\Chrome\Application\chrome.exe" --flag-switches-begin --flag-switches-end Driver Information Initialization time 119 In-process GPU false Passthrough Command Decoder false Sandboxed false GPU0 VENDOR = 0x1002, DEVICE= 0x6779 Optimus false Optimus false AMD switchable false Desktop compositing Aero Glass Diagonal Monitor Size of \\.\DISPLAY1 21.5" Driver vendor Advanced Micro Devices, Inc. Driver version 15.201.1151.1008 Driver date 11-4-2015 Pixel shader version 5.0 Vertex shader version 5.0 Max. MSAA samples 4 Machine model name Machine model version GL_VENDOR Google Inc. GL_RENDERER ANGLE (AMD RADEON HD 6450 Direct3D11 vs_5_0 ps_5_0) GL_VERSION OpenGL ES 3.0 (ANGLE 2.1.0.461d9a3060e3) GL_EXTENSIONS GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object Disabled Extensions GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent Window system binding vendor Google Inc. (adapter LUID: 000000000000b33b) Window system binding version 1.4 (ANGLE 2.1.0.461d9a3060e3) Window system binding extensions EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture_nv12 EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays Direct rendering Yes Reset notification strategy 0x8252 GPU process crash count 0 Compositor Information Tile Update Mode One-copy Partial Raster Enabled GpuMemoryBuffers Status ATC Software only ATCIA Software only DXT1 Software only DXT5 Software only ETC1 Software only R_8 Software only RG_88 Software only BGR_565 Software only RGBA_4444 Software only RGBX_8888 Software only RGBA_8888 Software only BGRX_8888 Software only BGRA_8888 Software only YVU_420 Software only YUV_420_BIPLANAR Software only UYVY_422 Software only Diagnostics 0 b3DAccelerationEnabled true b3DAccelerationExists true bAGPEnabled true bAGPExistenceValid true bAGPExists true bCanRenderWindow true bDDAccelerationEnabled true bDriverBeta false bDriverDebug false bDriverSigned false bDriverSignedValid false bNoHardware false dwBpp 32 dwDDIVersion 11 dwHeight 1050 dwRefreshRate 60 dwWHQLLevel 0 dwWidth 1680 iAdapter 0 lDriverSize 1479808 lMiniVddSize 0 szAGPStatusEnglish Enabled szAGPStatusLocalized Aktiviert szChipType AMD Radeon Graphics Processor (0x6779) szD3DStatusEnglish Enabled szD3DStatusLocalized Aktiviert szDACType Internal DAC(400MHz) szDDIVersionEnglish 11.2 szDDIVersionLocalized 11.2 szDDStatusEnglish Enabled szDDStatusLocalized Aktiviert szDXVAHDEnglish Not Supported szDXVAModes ModeMPEG2_A ModeMPEG2_C szDescription AMD RADEON HD 6450 szDeviceId 0x6779 szDeviceIdentifier {D7B71EE2-2439-11CF-8771-6EC1BEC2C535} szDeviceName \\.\DISPLAY1 szDisplayMemoryEnglish 4848 MB szDisplayMemoryLocalized 4848 MB szDisplayModeEnglish 1680 x 1050 (32 bit) (60Hz) szDisplayModeLocalized 1680 x 1050 (32 bit) (60Hz) szDriverAssemblyVersion 15.201.1151.1008 szDriverAttributes Final Retail szDriverDateEnglish 04.11.2015 02:00:00 szDriverDateLocalized 11/4/2015 02:00:00 szDriverLanguageEnglish English szDriverLanguageLocalized Englisch szDriverModelEnglish WDDM 1.3 szDriverModelLocalized WDDM 1.3 szDriverName aticfx64.dll,aticfx64.dll,aticfx64.dll,amdxc64.dll szDriverNodeStrongName oem14.inf:cb0ae4141ce2a6cb:ati2mtag_NI:15.201.1151.1008:pci\ven_1002&dev_6779&subsys_e164174b szDriverSignDate Unknown szDriverVersion 8.17.0010.1404 szKeyDeviceID Enum\PCI\VEN_1002&DEV_6779&SUBSYS_E164174B&REV_00 szKeyDeviceKey \Registry\Machine\System\CurrentControlSet\Control\Video\{3DFB0387-1E03-4B7F-96A9-ED64CC5213AD}\0000 szManufacturer Advanced Micro Devices, Inc. szMiniVdd Unbekannt szMiniVddDateEnglish Unknown szMiniVddDateLocalized Unbekannt szMonitorMaxRes Unknown szMonitorName SyncMaster SA450_S22A450BW/SW/MW (Digital) szNotesEnglish No problems found. szNotesLocalized Es wurden keine Probleme gefunden. szOverlayEnglish Not Supported szRankOfInstalledDriver 00D10001 szRegHelpText Unknown szRevision Unknown szRevisionId 0x0000 szSubSysId 0xE164174B szTestResultD3D7English Not run szTestResultD3D7Localized Nicht ausgeführt szTestResultD3D8English Not run szTestResultD3D8Localized Nicht ausgeführt szTestResultD3D9English Not run szTestResultD3D9Localized Nicht ausgeführt szTestResultDDEnglish Not run szTestResultDDLocalized Nicht ausgeführt szVdd Unbekannt szVendorId 0x1002 Log Messages GpuProcessHostUIShim: The GPU process exited normally. Everything is okay.
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May 22 2017
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Comment 1 by j.ing...@netcologne.de
, May 4 2017