https://bugs.kde.org/show_bug.cgi?id=452826
            Bug ID: 452826
           Summary: The window blinks when moving the cursor and causes
                    the cursor to lag.
           Product: krita
           Version: 5.0.5
          Platform: Microsoft Windows
                OS: Microsoft Windows
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: * Unknown
          Assignee: krita-bugs-n...@kde.org
          Reporter: 2ws...@gmail.com
  Target Milestone: ---

SUMMARY
The window blinks when moving the cursor and causes the cursor to lag. Started
happening after I updated to version 5.0.5.


STEPS TO REPRODUCE
1. Open Krita
2. Move mouse around

OBSERVED RESULT
The Krita window blinks white and the mouse lags at the same time

EXPECTED RESULT
Nothing should happen

SOFTWARE/OS VERSIONS
Windows: 10

ADDITIONAL INFORMATION
Krita

 Version: 5.0.5
 Installation type: installer / portable package
 Languages: en_GB, en, en_US, en
 Hidpi: false

Qt

  Version (compiled): 5.12.12
  Version (loaded): 5.12.12

OS Information

  Build ABI: x86_64-little_endian-llp64
  Build CPU: x86_64
  CPU: x86_64
  Kernel Type: winnt
  Kernel Version: 10.0.19044
  Pretty Productname: Windows 10 (10.0)
  Product Type: windows
  Product Version: 10

OpenGL Info

  Vendor:  "Google Inc." 
  Renderer:  "ANGLE (NVIDIA GeForce RTX 2080 Direct3D11 vs_5_0 ps_5_0)" 
  Version:  "OpenGL ES 3.0 (ANGLE 2.1.0.57ea533f79a7)" 
  Shading language:  "OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0.57ea533f79a7)" 
  Requested format:  QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8,
stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer,
swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile 
QSurfaceFormat::CompatibilityProfile) 
  Current format:  QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize 8,
greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8,
samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 0,
colorSpace QSurfaceFormat::DefaultColorSpace, profile 
QSurfaceFormat::NoProfile) 
     Version: 3.0
     Supports deprecated functions false 
     is OpenGL ES: true 
  supportsBufferMapping: true 
  supportsBufferInvalidation: false 
  Extensions: 
     "GL_EXT_texture_storage" 
     "GL_OES_EGL_image" 
     "GL_ANGLE_texture_usage" 
     "GL_EXT_texture_compression_s3tc_srgb" 
     "GL_ANGLE_depth_texture" 
     "GL_EXT_robustness" 
     "GL_NV_EGL_stream_consumer_external" 
     "GL_ANGLE_framebuffer_blit" 
     "GL_ANGLE_program_cache_control" 
     "GL_OES_surfaceless_context" 
     "GL_NV_pixel_buffer_object" 
     "GL_ANGLE_lossy_etc_decode" 
     "GL_OES_texture_npot" 
     "GL_EXT_color_buffer_half_float" 
     "GL_ANGLE_instanced_arrays" 
     "GL_EXT_unpack_subimage" 
     "GL_KHR_debug" 
     "GL_EXT_read_format_bgra" 
     "GL_EXT_debug_marker" 
     "GL_ANGLE_client_arrays" 
     "GL_EXT_blend_minmax" 
     "GL_ANGLE_pack_reverse_row_order" 
     "GL_OES_standard_derivatives" 
     "GL_ANGLE_multiview" 
     "GL_OES_EGL_image_external" 
     "GL_OES_texture_float_linear" 
     "GL_EXT_discard_framebuffer" 
     "GL_OES_rgb8_rgba8" 
     "GL_OES_texture_float" 
     "GL_CHROMIUM_copy_compressed_texture" 
     "GL_OES_texture_half_float_linear" 
     "GL_ANGLE_framebuffer_multisample" 
     "GL_OES_vertex_array_object" 
     "GL_CHROMIUM_bind_uniform_location" 
     "GL_OES_depth32" 
     "GL_OES_compressed_ETC1_RGB8_texture" 
     "GL_ANGLE_robust_client_memory" 
     "GL_EXT_color_buffer_float" 
     "GL_EXT_draw_buffers" 
     "GL_ANGLE_texture_compression_dxt3" 
     "GL_EXT_texture_rg" 
     "GL_EXT_map_buffer_range" 
     "GL_EXT_sRGB" 
     "GL_NV_pack_subimage" 
     "GL_CHROMIUM_copy_texture" 
     "GL_EXT_texture_norm16" 
     "GL_CHROMIUM_bind_generates_resource" 
     "GL_OES_texture_half_float" 
     "GL_EXT_texture_format_BGRA8888" 
     "GL_EXT_texture_compression_dxt1" 
     "GL_ANGLE_texture_compression_dxt5" 
     "GL_ANGLE_translated_shader_source" 
     "GL_EXT_occlusion_query_boolean" 
     "GL_NV_fence" 
     "GL_EXT_shader_texture_lod" 
     "GL_OES_EGL_image_external_essl3" 
     "GL_CHROMIUM_color_buffer_float_rgb" 
     "GL_ANGLE_request_extension" 
     "GL_CHROMIUM_color_buffer_float_rgba" 
     "GL_EXT_frag_depth" 
     "GL_EXT_texture_filter_anisotropic" 
     "GL_OES_element_index_uint" 
     "GL_OES_packed_depth_stencil" 
     "GL_CHROMIUM_sync_query" 
     "GL_EXT_disjoint_timer_query" 
     "GL_OES_mapbuffer" 
     "GL_OES_get_program_binary" 
     "" 

QPA OpenGL Detection Info 
  supportsDesktopGL: true 
  supportsAngleD3D11: true 
  isQtPreferAngle: true 

useBufferInvalidation (config option): false


Hardware Information

  GPU Acceleration: auto
  Memory: 16333 Mb
  Number of Cores: 12
  Swap Location: C:/Users/TheWizier/AppData/Local/Temp

Current Settings

  Current Swap Location: C:/Users/TheWizier/AppData/Local/Temp
  Current Swap Location writable: true
  Undo Enabled: true
  Undo Stack Limit: 60
  Use OpenGL: true
  Use OpenGL Texture Buffer: true
  Disable Vector Optimizations: false
  Disable AVX Optimizations: false
  Canvas State: OPENGL_SUCCESS
  Autosave Interval: 900
  Use Backup Files: true
  Number of Backups Kept: 1
  Backup File Suffix: ~
  Backup Location: Same Folder as the File
  Backup Location writable: false
  Use Win8 Pointer Input: false
  Use RightMiddleTabletButton Workaround: false
  Levels of Detail Enabled: false
  Use Zip64: false


Display Information
Number of screens: 1
        Screen: 0
                Name: \\.\DISPLAY1
                Depth: 32
                Scale: 1
                Resolution in pixels: 2560x1440
                Manufacturer: 
                Model: 
                Refresh Rate: 144


---------------------
================================================================================
SESSION: 21 Apr 2022 15:53:11 +0200. Executing C:\Program Files\Krita
(x64)\bin\krita.exe

Krita Version: 5.0.5, Qt version compiled: 5.12.12, loaded: 5.12.12. Process
ID: 22640
-- -- -- -- -- -- -- --
21 Apr 2022 15:53:11 +0200: Style: fusion. Available styles: windowsvista,
Windows, Fusion
21 Apr 2022 15:53:16 +0200: Creating database from scratch (database didn't
exist, new schema version: 0.0.16).
21 Apr 2022 15:53:37 +0200: Non-store package - creating updater
21 Apr 2022 15:53:49 +0200: Importing application/x-krita to
application/x-krita. Location:
C:/Users/TheWizier/Documents/LatexMaster/images/GenomeToolsIcons.kra. Real
location: C:/Users/TheWizier/Documents/LatexMaster/images/GenomeToolsIcons.kra.
Batchmode: 0
21 Apr 2022 15:53:49 +0200: Loaded image from application/x-krita. Size: 150 *
150 pixels, 4.16667 dpi. Color model: 8-bit integer/channel RGB/Alpha
(sRGB-elle-V2-srgbtrc.icc). Layers: 4
21 Apr 2022 15:59:57 +0200: CLOSING SESSION
================================================================================
SESSION: 21 Apr 2022 16:00:02 +0200. Executing C:\Program Files\Krita
(x64)\bin\krita.exe

Krita Version: 5.0.5, Qt version compiled: 5.12.12, loaded: 5.12.12. Process
ID: 23056
-- -- -- -- -- -- -- --
21 Apr 2022 16:00:02 +0200: Style: fusion. Available styles: windowsvista,
Windows, Fusion
21 Apr 2022 16:00:04 +0200: Database is up to date. Version: 0.0.16, created by
Krita 5.0.5, at Thu Apr 21 15:53:16 2022
21 Apr 2022 16:00:07 +0200: Non-store package - creating updater

---------------------

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