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Add env variable to set QNX screen debugging information 

Enables different QNX Screen graphics system information
as overlay.
Following are valid options for the env variable:
* fps, posts, blits, updates, cpu_time, gpu_time, statistics

More info:
http://www.qnx.com/developers/docs/7.0.0/index.html#com.qnx.doc.screen/topic/group__screen__debugging_1Screen_Debug_Graph_Types.html

Change-Id: I8cbee44de31bb2aaf3892a063769f4740027242b
Reviewed-by: Adam Treat <adam.treat@qt.io>
Reviewed-by: James McDonnell <jmcdonnell@blackberry.com>
bb10
Pasi Petäjäjärvi 2018-02-19 11:32:23 +02:00
parent 141582505f
commit 14157a1a3e
1 changed files with 41 additions and 0 deletions
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41
src/plugins/platforms/qnx/qqnxwindow.cpp
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@ -63,6 +63,18 @@
QT_BEGIN_NAMESPACE
#define DECLARE_DEBUG_VAR(variable) \
static bool debug_ ## variable() \
{ static bool value = qgetenv("QNX_SCREEN_DEBUG").contains(QT_STRINGIFY(variable)); return value; }
DECLARE_DEBUG_VAR(fps)
DECLARE_DEBUG_VAR(posts)
DECLARE_DEBUG_VAR(blits)
DECLARE_DEBUG_VAR(updates)
DECLARE_DEBUG_VAR(cpu_time)
DECLARE_DEBUG_VAR(gpu_time)
DECLARE_DEBUG_VAR(statistics)
#undef DECLARE_DEBUG_VAR
/*!
\class QQnxWindow
\brief The QQnxWindow is the base class of the various classes used as instances of
@ -211,6 +223,35 @@ QQnxWindow::QQnxWindow(QWindow *window, screen_context_t context, bool needRootW
// it'll cause us not to join a group (the app will presumably join at some future time).
if (windowGroup.isValid() && windowGroup.canConvert<QByteArray>())
joinWindowGroup(windowGroup.toByteArray());
int debug = 0;
if (Q_UNLIKELY(debug_fps())) {
debug |= SCREEN_DEBUG_GRAPH_FPS;
}
if (Q_UNLIKELY(debug_posts())) {
debug |= SCREEN_DEBUG_GRAPH_POSTS;
}
if (Q_UNLIKELY(debug_blits())) {
debug |= SCREEN_DEBUG_GRAPH_BLITS;
}
if (Q_UNLIKELY(debug_updates())) {
debug |= SCREEN_DEBUG_GRAPH_UPDATES;
}
if (Q_UNLIKELY(debug_cpu_time())) {
debug |= SCREEN_DEBUG_GRAPH_CPU_TIME;
}
if (Q_UNLIKELY(debug_gpu_time())) {
debug |= SCREEN_DEBUG_GRAPH_GPU_TIME;
}
if (Q_UNLIKELY(debug_statistics())) {
debug = SCREEN_DEBUG_STATISTICS;
}
if (debug > 0) {
Q_SCREEN_CHECKERROR(screen_set_window_property_iv(nativeHandle(), SCREEN_PROPERTY_DEBUG, &debug),
"Could not set SCREEN_PROPERTY_DEBUG");
qWindowDebug() << "window SCREEN_PROPERTY_DEBUG= " << debug;
}
}
QQnxWindow::~QQnxWindow()