https://bugs.kde.org/show_bug.cgi?id=452131
--- Comment #1 from til.schmit...@gmx.de --- additionally, panning the canvas is more laggy and takes up to 16% of my cpu instead of just 10% on older versions. here's a more complete system info log of my setup: Krita Version: 5.1.0-prealpha (git c14d3bb) Installation type: installer / portable package Languages: en_US, en, en_US, en, en_US, en, en_US, en, en_US, en, en_US, en, de_DE, de, en_US, en Hidpi: true 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: 10.0.19043 Pretty Productname: Windows 10 (10.0) Product Type: windows Product Version: 10 OpenGL Info Vendor: "ATI Technologies Inc." Renderer: "AMD Radeon RX 5700 XT" Version: "4.6.14761 Compatibility Profile Context 21.30.23.04 30.0.13023.4001" Shading language: "4.60" Requested format: QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::NoProfile) Current format: QSurfaceFormat(version 4.6, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 0, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 1, colorSpace QSurfaceFormat::sRGBColorSpace, profile QSurfaceFormat::CompatibilityProfile) Version: 4.6 Supports deprecated functions true is OpenGL ES: false supportsBufferMapping: true supportsBufferInvalidation: true Extensions: "GL_ARB_texture_mirror_clamp_to_edge" "GL_ARB_shader_objects" "GL_ARB_gpu_shader_fp64" "GL_ARB_compressed_texture_pixel_storage" "GL_AMD_sparse_texture" "GL_ARB_fragment_layer_viewport" "WGL_EXT_swap_control" "GL_EXT_texture_swizzle" "GL_IBM_texture_mirrored_repeat" "GL_EXT_texture_buffer_object" "GL_EXT_memory_object_win32" "GL_ARB_depth_texture" "GL_EXT_texture_compression_s3tc" "GL_ARB_conservative_depth" "GL_AMD_shader_trace" "GL_ARB_occlusion_query2" "GL_EXT_texture3D" "GL_EXT_semaphore" "GL_AMD_debug_output" "GL_EXT_texture_compression_latc" "GL_EXT_texture_snorm" "GL_EXT_secondary_color" "GL_ARB_framebuffer_sRGB" "GL_ARB_cull_distance" "GL_ARB_map_buffer_range" "GL_ARB_pixel_buffer_object" "GL_ARB_texture_query_lod" "GL_AMD_framebuffer_sample_positions" "GL_ATI_texture_mirror_once" "GL_AMD_sample_positions" "GL_ARB_clear_texture" "GL_ARB_indirect_parameters" "GL_EXT_shader_integer_mix" "GL_NV_texture_barrier" "GL_ARB_texture_env_dot3" "GL_ARB_separate_shader_objects" "GL_NV_blend_square" "GL_ARB_vertex_buffer_object" "GL_ARB_get_texture_sub_image" "GL_ARB_internalformat_query" "GL_AMD_transform_feedback4" "GL_ARB_shader_subroutine" "GL_EXT_draw_range_elements" "GL_EXT_timer_query" "GL_ARB_texture_env_combine" "GL_ARB_half_float_pixel" "GL_AMD_shader_stencil_value_export" "GL_ARB_explicit_attrib_location" "GL_ARB_sampler_objects" "GL_ARB_texture_buffer_range" "GL_ARB_shadow" "GL_AMD_shader_atomic_counter_ops" "GL_NV_alpha_to_coverage_dither_control" "GL_ARB_shading_language_include" "GL_EXT_texture_object" "GL_ARB_get_program_binary" "GL_ARB_texture_barrier" "GL_ARB_gpu_shader5" "GL_ARB_texture_compression_rgtc" "GL_EXT_texture_sRGB" "GL_EXT_packed_float" "GL_ATI_draw_buffers" "GL_ARB_vertex_program" "GL_ARB_texture_rectangle" "GL_ARB_viewport_array" "GL_ARB_texture_border_clamp" "GL_EXT_stencil_wrap" "GL_ARB_transpose_matrix" "GL_NV_float_buffer" "GL_EXT_shadow_funcs" "GL_ARB_vertex_type_10f_11f_11f_rev" "GL_ARB_texture_view" "GL_ARB_texture_rg" "GL_ARB_draw_buffers_blend" "GL_EXT_framebuffer_multisample" "GL_ARB_multi_bind" "GL_ARB_framebuffer_object" "GL_AMD_vertex_shader_layer" "GL_AMD_query_buffer_object" "GL_EXT_copy_texture" "GL_EXT_depth_bounds_test" "GL_ARB_conditional_render_inverted" "GL_ARB_texture_snorm" "GL_ARB_color_buffer_float" "GL_ARB_occlusion_query" "GL_ARB_geometry_shader4" "GL_ARB_fragment_coord_conventions" "GL_ARB_texture_buffer_object" "GL_EXT_separate_specular_color" "GL_ARB_transform_feedback_overflow_query" "GL_EXT_texture_env_dot3" "GL_WIN_swap_hint" "GL_ARB_instanced_arrays" "GL_EXT_draw_buffers2" "GL_EXT_draw_instanced" "GL_ARB_shader_atomic_counter_ops" "GL_AMD_pinned_memory" "GL_ARB_texture_storage" "GL_EXT_gpu_program_parameters" "GL_AMD_shader_trinary_minmax" "GL_EXT_multi_draw_arrays" "GL_EXT_framebuffer_blit" "GL_EXT_rescale_normal" "GL_NV_depth_buffer_float" "GL_ARB_texture_mirrored_repeat" "GL_ARB_shader_texture_lod" "GL_ARB_shader_stencil_export" "GL_ARB_multitexture" "GL_ARB_texture_swizzle" "GL_EXT_texture_mirror_clamp" "GL_NV_conditional_render" "GL_ARB_debug_output" "GL_EXT_texture_rectangle" "GL_ARB_blend_func_extended" "GL_INTEL_fragment_shader_ordering" "GL_ARB_window_pos" "GL_ARB_vertex_array_bgra" "GL_ARB_shadow_ambient" "GL_ARB_texture_env_add" "GL_EXT_vertex_attrib_64bit" "GL_ARB_sparse_texture" "GL_ARB_point_parameters" "GL_ARB_ES2_compatibility" "GL_ARB_shader_draw_parameters" "GL_ARB_fragment_program_shadow" "GL_ARB_ES3_1_compatibility" "GL_ATI_envmap_bumpmap" "GL_ARB_stencil_texturing" "GL_KHR_parallel_shader_compile" "GL_AMD_texture_cube_map_array" "GL_ARB_texture_gather" "GL_AMD_texture_texture4" "GL_AMD_performance_monitor" "GL_ATI_separate_stencil" "GL_AMD_gpu_shader_int64" "GL_EXT_vertex_array" "GL_EXT_texture_array" "GL_ARB_framebuffer_no_attachments" "GL_AMD_gcn_shader" "GL_ARB_seamless_cubemap_per_texture" "GL_AMD_stencil_operation_extended" "GL_ARB_shading_language_100" "GL_AMD_gpu_shader_half_float_fetch" "GL_ARB_sample_shading" "GL_EXT_blend_minmax" "GL_KHR_debug" "GL_EXT_transform_feedback" "GL_EXT_texture_sRGB_RG8" "GL_AMD_name_gen_delete" "GL_EXT_fog_coord" "GL_ARB_transform_feedback_instanced" "GL_ARB_texture_stencil8" "GL_EXT_bgra" "GL_EXT_geometry_shader4" "GL_AMD_draw_buffers_blend" "GL_AMD_occlusion_query_event" "GL_ARB_texture_multisample" "GL_ARB_multisample" "GL_ARB_parallel_shader_compile" "GL_ARB_half_float_vertex" "GL_ARB_timer_query" "GL_AMD_transform_feedback3_lines_triangles" "GL_NV_copy_depth_to_color" "GL_ARB_texture_compression_bptc" "GL_EXT_texture_integer" "GL_ARB_provoking_vertex" "GL_ARB_depth_clamp" "GL_EXT_texture_edge_clamp" "GL_ARB_ES3_compatibility" "GL_ARB_shader_ballot" "GL_AMD_multi_draw_indirect" "GL_ARB_draw_elements_base_vertex" "GL_ARB_sync" "GL_KHR_robustness" "GL_ARB_compatibility" "GL_ARB_buffer_storage" "GL_EXT_packed_pixels" "GL_KHR_context_flush_control" "GL_ARB_texture_non_power_of_two" "GL_ARB_copy_image" "GL_ARB_draw_instanced" "GL_ARB_direct_state_access" "GL_ARB_vertex_shader" "GL_EXT_texture_env_combine" "GL_EXT_texture_compression_rgtc" "GL_ARB_bindless_texture" "GL_ARB_robust_buffer_access_behavior" "GL_AMD_shader_stencil_export" "GL_EXT_texture_shared_exponent" "GL_AMD_interleaved_elements" "GL_ATI_texture_env_combine3" "GL_KHR_no_error" "GL_EXT_framebuffer_sRGB" "GL_EXT_vertex_array_bgra" "GL_ARB_vertex_attrib_binding" "GL_ARB_shader_precision" "GL_ARB_map_buffer_alignment" "GL_OES_EGL_image" "GL_ARB_texture_cube_map" "GL_ARB_depth_buffer_float" "GL_NV_half_float" "GL_ARB_draw_indirect" "GL_ARB_shader_viewport_layer_array" "GL_KTX_buffer_region" "GL_EXT_framebuffer_object" "GL_ARB_point_sprite" "GL_AMD_conservative_depth" "GL_ARB_shader_image_size" "GL_EXT_gpu_shader4" "GL_NV_shader_atomic_int64" "GL_ARB_draw_buffers" "GL_AMD_blend_minmax_factor" "GL_ARB_transform_feedback3" "GL_EXT_texture_cube_map" "GL_ARB_explicit_uniform_location" "GL_ARB_shader_image_load_store" "GL_AMD_depth_clamp_separate" "GL_EXT_direct_state_access" "GL_ARB_enhanced_layouts" "GL_ARB_clear_buffer_object" "GL_ATI_texture_float" "GL_EXT_texture_filter_anisotropic" "GL_NV_copy_image" "GL_ARB_clip_control" "GL_ARB_texture_buffer_object_rgb32" "GL_ARB_arrays_of_arrays" "GL_ARB_shader_atomic_counters" "GL_EXT_texgen_reflection" "GL_ATI_fragment_shader" "GL_ARB_shading_language_420pack" "GL_ARB_tessellation_shader" "GL_ARB_texture_rgb10_a2ui" "GL_ARB_multi_draw_indirect" "GL_ARB_fragment_program" "GL_EXT_texture_sRGB_R8" "GL_ARB_vertex_array_object" "GL_EXT_semaphore_win32" "GL_ARB_gl_spirv" "GL_ARB_vertex_attrib_64bit" "GL_ARB_texture_env_crossbar" "GL_EXT_texture_lod" "GL_ARB_shader_storage_buffer_object" "GL_EXT_blend_equation_separate" "GL_EXT_provoking_vertex" "GL_NV_primitive_restart" "GL_ARB_query_buffer_object" "GL_EXT_shader_image_load_store" "GL_ARB_copy_buffer" "GL_AMD_sparse_texture_pool" "GL_EXT_point_parameters" "GL_AMDX_debug_output" "GL_EXT_texture_compression_bptc" "GL_EXT_polygon_offset_clamp" "GL_ARB_seamless_cube_map" "GL_EXT_texture_sRGB_decode" "GL_EXT_copy_buffer" "GL_AMD_seamless_cubemap_per_texture" "GL_NV_texgen_reflection" "GL_EXT_memory_object" "GL_AMD_vertex_shader_viewport_index" "GL_ARB_derivative_control" "GL_NV_explicit_multisample" "GL_EXT_packed_depth_stencil" "GL_ARB_shading_language_packing" "GL_ARB_texture_compression" "GL_EXT_histogram" "GL_EXT_blend_subtract" "GL_EXT_blend_func_separate" "GL_EXT_compiled_vertex_array" "GL_EXT_blend_color" "GL_ARB_base_instance" "GL_AMD_gpu_shader_int16" "GL_ARB_pipeline_statistics_query" "GL_ARB_vertex_type_2_10_10_10_rev" "GL_ARB_polygon_offset_clamp" "GL_EXT_pixel_buffer_object" "GL_EXT_texture_lod_bias" "GL_AMD_gpu_shader_half_float" "GL_EXT_texture_env_add" "GL_ARB_program_interface_query" "GL_ARB_texture_query_levels" "GL_ARB_shader_group_vote" "GL_ARB_shader_texture_image_samples" "GL_ARB_invalidate_subdata" "GL_ARB_texture_float" "GL_SGIS_texture_edge_clamp" "GL_ARB_texture_storage_multisample" "GL_ARB_texture_cube_map_array" "GL_ATI_texture_compression_3dc" "GL_ARB_shader_bit_encoding" "GL_ARB_uniform_buffer_object" "GL_ARB_sparse_buffer" "GL_SUN_multi_draw_arrays" "GL_SGIS_generate_mipmap" "GL_ARB_internalformat_query2" "GL_ARB_compute_shader" "GL_ARB_fragment_shader" "GL_ARB_transform_feedback2" "GL_KHR_robust_buffer_access_behavior" "GL_ARB_spirv_extensions" "GL_EXT_texture_storage" "GL_SGIS_texture_lod" "GL_EXT_bindable_uniform" "GL_ARB_imaging" "GL_EXT_abgr" "GL_EXT_subtexture" QPA OpenGL Detection Info supportsDesktopGL: true supportsAngleD3D11: true isQtPreferAngle: true useBufferInvalidation (config option): false Hardware Information GPU Acceleration: none Memory: 24521 Mb Number of Cores: 8 Swap Location: C:/Users/Til/AppData/Local/Temp Current Settings Current Swap Location: C:/Users/Til/AppData/Local/Temp Current Swap Location writable: true Undo Enabled: true Undo Stack Limit: 75 Use OpenGL: false Use OpenGL Texture Buffer: true Disable Vector Optimizations: false Disable AVX Optimizations: false Canvas State: OPENGL_SUCCESS Autosave Interval: 360 Use Backup Files: false 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: 2 Screen: 0 Name: \\.\DISPLAY2 Depth: 32 Scale: 1.25 Resolution in pixels: 1536x864 Manufacturer: Model: Refresh Rate: 60 Screen: 1 Name: \\.\DISPLAY1 Depth: 32 Scale: 1.25 Resolution in pixels: 1536x864 Manufacturer: Model: Refresh Rate: 59 -- You are receiving this mail because: You are watching all bug changes.