[nemo@Sailfish bin]$ EGL_PLATFORM=hwcomposer QT_QPA_PLATFORM=hwcomposer /usr/bin/jolla-clock
[D] unknown:0 - EGLFS: Screen Info
[D] unknown:0 -  - Physical size: QSizeF(218, 136)
[D] unknown:0 -  - Screen size: QSize(2560, 1600)
[D] unknown:0 -  - Screen depth: 32
== hwcomposer module ==
 * Address: 0xb35d3004
 * Module API Version: 1
 * HAL API Version: 100
 * Identifier: hwcomposer
 * Name: Samsung exynos5 hwcomposer module
 * Author: Google
== hwcomposer module ==
== hwcomposer device ==
 * Version: 1010001 (interpreted as 1010001)
 * Module: 0xb35d3004
== hwcomposer device ==
[W] unknown:0 - QEglScreen 0xb721b240

[W] unknown:0 - Defaulting to webview scaling factor of 1.0
[W] unknown:0 - QEglWindow 0xb737d650: 0xb721c8d0 0x0

[W] unknown:0 - QEglWindow 0xb7411e48: 0xb73f4100 0x0

[F] unknown:0 - QPA-HWC: There can only be one window, someone tried to create more. in createNativeWindow
Aborted
[nemo@Sailfish bin]$