[IVB/HSW/BYT-M/BDW] GpuTest_v0.5_triangle performance slower by 10%~50% in fullscreen than in windowed & composited mode
Submitted by zhoujian
Assigned to Ian Romanick
Description
Platform: BYT-M/IVB/HSW/BDW Libdrm: (master)libdrm-2.4.54-17-ge8c3c135 Mesa: (master)c5848651 Xserver: (master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a Xf86_video_intel: (master)2.99.912-164-gc5c7dd24a55f04322d5eec10dc4352d8a8e92b1e Cairo: (master)f574fec8d2d1f83525fd7e4dbb266b6e5091627d Libva: (master)c61d8c6ce9ffc27320e9e177c1e1123d5f1b5014 Libva_intel_driver: (master)745340dd013399f64507de73401ab3adb712dad5 Kernel: (drm-intel-nightly) git-1087d4
Bug detailed description:
GpuTest_v0.5_triangle is slower by 10%~50% in fullscreen than in windowed & composited mode on BYT-M/IVB/HSW/BDW, The problem exists both on gnome-session and Raw X.
Reproduce steps:
- xinit&
- ./GpuTest /test=triangle /width=1920 /height=1080 /fullscreen /benchmark /no_scorebox
Version: git