Details
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Bug
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Resolution: Done
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P2: Important
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None
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5.4.0 Beta
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None
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qt-enterprise-windows-x86-msvc2013_64-5.4.0-beta_2014-11-04_04-11-24-67.exe
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a218a25
Description
Angle (Qt::AA_UseOpenGLES) on the new dynamic build is much slower than the previous implementation. To demonstrate this issue I modified the existing opengl cube example from the Qt package to draw 500 small balls and then measured the performance windows. The test app is attached.
5.4.0 beta dynamic
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- OpenGL Vendor: Google Inc.
- OpenGL Version: OpenGL ES 2.0 (ANGLE 2.1.abce76206141)
- OpenGL Renderer: ANGLE (Intel(R) HD Graphics 4600 Direct3D11 vs_5_0 ps_5_0)
- OpenGL Shading Language Version: OpenGL ES GLSL ES 1.00 (ANGLE 2.1.abce76206141)
FPS = 11.811
FPS = 12.1951
FPS = 12.1495
FPS = 12.1609
FPS = 12.1382
5.3.2 Angle
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- OpenGL Vendor: Google Inc.
- OpenGL Version: OpenGL ES 2.0 (ANGLE 1.3.5bb7ec572d0a)
- OpenGL Renderer: ANGLE (Intel(R) HD Graphics 4600 Direct3D9Ex vs_3_0 ps_3_0)
- OpenGL Shading Language Version: OpenGL ES GLSL ES 1.00 (ANGLE 1.3.5bb7ec572d0a)
FPS = 45.3649
FPS = 47.384
FPS = 47.1976
FPS = 47.2441