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Bug
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Resolution: Unresolved
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P2: Important
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None
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6.2.0 Beta3, 6.3
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None
Run the attached example with e.g. 5.15 and 6.2/dev, and you'll see the FPS roughly halved with 6.2/dev compared to 5.15.
Hardware Overview from macOS
Model Name: MacBook Pro Model Identifier: MacBookPro13,3 Processor Name: Quad-Core Intel Core i7 Processor Speed: 2.7 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 8 MB Hyper-Threading Technology: Enabled Memory: 16 GB
System Information from Creator
Screens: 1, High DPI scaling: inactive
# 0 "Color LCD" Depth: 24 Primary: yes
Manufacturer:
Model:
Serial number:
Geometry: 1680x1050+0+0 Available: 1680x1025+0+25
Physical size: 330.791x206.744 mm Refresh: 60 Hz Power state: 0
Physical DPI: 129,129 Logical DPI: 72,72 Subpixel_RGB
DevicePixelRatio: 2 Pixel density: 1
Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0
LibGL Vendor: Intel Inc.
Renderer: Intel(R) HD Graphics 530
Version: 2.1 INTEL-16.4.5
Shading language: 1.20
Format: Version: 2.1 Profile: 0 Swap behavior: 2 Buffer size (RGB): 8,8,8
Profile: None (QOpenGLFunctions_-471963040_32766)
Qt Rendering Hardware Interface supported backends:
OpenGL (with default QSurfaceFormat):
Min Texture Size: 1
Max Texture Size: 16384
Max Color Attachments: 8
Frames in Flight: 1
Uniform Buffer Alignment: 1
Supported MSAA sample counts: 1,2,4,8,16
Features:
- MultisampleTexture
v MultisampleRenderBuffer
- DebugMarkers
- Timestamps
- Instancing
- CustomInstanceStepRate
- PrimitiveRestart
v NonDynamicUniformBuffers
v NonFourAlignedEffectiveIndexBufferOffset
v NPOTTextureRepeat
- RedOrAlpha8IsRed
v ElementIndexUint
- Compute
v WideLines
v VertexShaderPointSize
- BaseVertex
- BaseInstance
v TriangleFanTopology
v ReadBackNonUniformBuffer
v ReadBackNonBaseMipLevel
Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 BC1 BC2 BC3
Metal:
Min Texture Size: 1
Max Texture Size: 16384
Max Color Attachments: 8
Frames in Flight: 2
Uniform Buffer Alignment: 256
Supported MSAA sample counts: 1,2,4,8
Features:
v MultisampleTexture
v MultisampleRenderBuffer
v DebugMarkers
- Timestamps
v Instancing
v CustomInstanceStepRate
v PrimitiveRestart
v NonDynamicUniformBuffers
- NonFourAlignedEffectiveIndexBufferOffset
v NPOTTextureRepeat
v RedOrAlpha8IsRed
v ElementIndexUint
v Compute
- WideLines
v VertexShaderPointSize
v BaseVertex
v BaseInstance
- TriangleFanTopology
v ReadBackNonUniformBuffer
v ReadBackNonBaseMipLevel
Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7
- relates to
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QTBUG-96190 Rendering glitches when resizing window containing QQuickPaintedItem
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- Closed
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