/*!
\internal
Creates an in-memory, linear accessible surface of dimensions \a w * \a h.
This is the main surface that QWS blits to.
*/
static inline bool createMemSurface(QQnxScreenContext * const d, int w, int h)
{
#ifndef QT_NO_QWS_MULTIPROCESS
if (QApplication::type() != QApplication::GuiServer) {
unsigned sidlist[64];
int n = gf_surface_sidlist(d->device, sidlist); // undocumented API
for (int i = 0; i < n; ++i) {
int ret = gf_surface_attach_by_sid(&d->memSurface, d->device, sidlist[i]);
if (ret == GF_ERR_OK) {
gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
if (d->memSurfaceInfo.sid != unsigned(GF_SID_INVALID)) {
// can we use the surface's vaddr?
unsigned flags = GF_SURFACE_CPU_LINEAR_READABLE | GF_SURFACE_CPU_LINEAR_WRITEABLE;
if ((d->memSurfaceInfo.flags & flags) == flags)
return true;
}
gf_surface_free(d->memSurface);
d->memSurface = 0;
}
}
qWarning("QQnxScreen: cannot attach to an usable surface; create a new one.");
}
#endif
int ret = gf_surface_create(&d->memSurface, d->device, w, h, d->displayInfo.format, 0,
GF_SURFACE_CREATE_CPU_FAST_ACCESS | GF_SURFACE_CREATE_CPU_LINEAR_ACCESSIBLE
| GF_SURFACE_CREATE_PHYS_CONTIG | GF_SURFACE_CREATE_SHAREABLE);
if (ret != GF_ERR_OK) {
qWarning("QQnxScreen: gf_surface_create(%dx%d) failed with error code %d",
w, h, ret);
return false;
}
gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
if (d->memSurfaceInfo.sid == unsigned(GF_SID_INVALID)) {
qWarning("QQnxScreen: gf_surface_get_info() failed.");
return false;
}
return true;
}
/*! \internal
Creates an in-memory, linear accessible surface of dimensions \a w * \a h.
This is the main surface that QWS blits to.
*/
static bool createMemSurface(QQnxScreenContext * const d, int w, int h)
{
// Note: gf_surface_attach() could also be used, so we'll create the buffer
// and let the surface point to it. Here, we use surface_create instead.
int ret = gf_surface_create(&d->memSurface, d->device, w, h,
GF_FORMAT_ARGB8888, 0,
GF_SURFACE_CREATE_CPU_FAST_ACCESS | GF_SURFACE_CREATE_CPU_LINEAR_ACCESSIBLE
| GF_SURFACE_PHYS_CONTIG | GF_SURFACE_CREATE_SHAREABLE);
if (ret != GF_ERR_OK) {
qWarning("QQnxScreen: gf_surface_create(%dx%d) failed with error code %d",
w, h, ret);
return false;
}
gf_surface_get_info(d->memSurface, &d->memSurfaceInfo);
if (d->memSurfaceInfo.sid == unsigned(GF_SID_INVALID)) {
qWarning("QQnxScreen: gf_surface_get_info() failed.");
return false;
}
return true;
}
