void WindowSurfaceImpl::handleSymbianWindowVisibilityChange(bool aVisible)
{
if(mPaintingStarted)
{
// TODO window getting invisible in the middle of paint
return;
}
if (!aVisible)
{
// Switch to sw rendering
if(!isLocalSurfaceValid())
{
if(mMainSurface.localSurfaceInUse)
{
deleteLocalSurface();
}
CFbsBitmap* bitmap = new(ELeave) CFbsBitmap;
CleanupStack::PushL(bitmap);
int err = bitmap->Create(TSize(mMainSurface.widget->width(), mMainSurface.widget->height()),
CCoeEnv::Static()->ScreenDevice()->DisplayMode());
eglCopyBuffers(mEgl.display, mEgl.readSurface, bitmap);
mMainSurface.localSurface = new QImage(QPixmap::fromSymbianCFbsBitmap(bitmap).toImage());
CleanupStack::Pop(bitmap);
mMainSurface.qSurface = NULL;
mMainSurface.device = mMainSurface.localSurface;
mMainSurface.type = WsTypeQtImage;
mMainSurface.localSurfaceInUse = true;
}
}
// Otherwise updateSurfaceData() will switch back to hw rendering
}
/* private native int _eglCopyBuffers ( int display , int surface , Graphics target ) ; */
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_khronos_egl_EGL10Impl__1eglCopyBuffers() {
EGLDisplay display = (EGLDisplay) KNI_GetParameterAsInt(1);
EGLSurface surface = (EGLSurface) KNI_GetParameterAsInt(2);
jint width = KNI_GetParameterAsInt(4);
jint height = KNI_GetParameterAsInt(5);
jint flip = 0;
JSR239_Pixmap *pixmap = (JSR239_Pixmap *) 0;
EGLBoolean returnValue = EGL_FALSE;
KNI_StartHandles(1);
KNI_DeclareHandle(graphicsHandle);
KNI_GetParameterAsObject(3, graphicsHandle);
returnValue = (jint)eglCopyBuffers((EGLDisplay) display,
(EGLSurface) surface,
(NativePixmapType) pixmap);
#ifdef DEBUG
printf("eglCopyBuffers(0x%x, 0x%x, 0x%x) = %d\n",
display, surface, pixmap, returnValue);
#endif
/* Workaround - use glReadPixels if eglCopyBuffers fails. */
if (returnValue == EGL_FALSE) {
pixmap = JSR239_getImagePixmap(graphicsHandle,
width, height,
4, 8, 8, 8, 8);
if (!pixmap) {
KNI_ThrowNew("java.lang.OutOfMemoryException", "eglCopyBuffers");
goto exit;
}
// Enforce RGBA order of glReadPixels
pixmap->aOffset = 24;
pixmap->bOffset = 16;
pixmap->gOffset = 8;
pixmap->rOffset = 0;
returnValue = eglCopyBuffersWorkaround((EGLDisplay) display,
(EGLSurface) surface,
pixmap);
flip = 1;
}
if (returnValue == EGL_TRUE) {
JSR239_putWindowContents(graphicsHandle, pixmap, flip);
}
if (pixmap) {
JSR239_destroyPixmap(pixmap);
}
exit:
KNI_EndHandles();
KNI_ReturnInt((jint)returnValue);
}
void CEGLGraphicsInterface::CopyBitmapL(CFbsBitmap* aPixMap, CFbsBitmap* )
{
if (eglCopyBuffers(iEglDisplay, eglGetCurrentSurface(EGL_READ), aPixMap) == EGL_FALSE)
{
User::Leave(MapEGLErrorCodeToSymbian(eglGetError()));
}
aPixMap->SetDisplayMode(aPixMap->DisplayMode());
}
static void
event_loop(struct egl_manager *eman, EGLint surface_type, EGLint w, EGLint h)
{
int window_w = w, window_h = h;
if (surface_type == EGL_PBUFFER_BIT)
printf("there will be no screen update if "
"eglCopyBuffers() is not implemented\n");
while (1) {
while (XPending(eman->xdpy) > 0) {
XEvent event;
XNextEvent(eman->xdpy, &event);
switch (event.type) {
case Expose:
/* we'll redraw below */
break;
case ConfigureNotify:
window_w = event.xconfigure.width;
window_h = event.xconfigure.height;
if (surface_type == EGL_WINDOW_BIT)
reshape(window_w, window_h);
break;
case KeyPress:
{
char buffer[10];
int r, code;
code = XLookupKeysym(&event.xkey, 0);
if (code == XK_Left) {
view_roty += 5.0;
}
else if (code == XK_Right) {
view_roty -= 5.0;
}
else if (code == XK_Up) {
view_rotx += 5.0;
}
else if (code == XK_Down) {
view_rotx -= 5.0;
}
else {
r = XLookupString(&event.xkey, buffer, sizeof(buffer),
NULL, NULL);
if (buffer[0] == 27) {
/* escape */
return;
}
}
}
}
}
{
static int frames = 0;
static double tRot0 = -1.0, tRate0 = -1.0;
double dt, t = current_time();
if (tRot0 < 0.0)
tRot0 = t;
dt = t - tRot0;
tRot0 = t;
/* advance rotation for next frame */
angle += 70.0 * dt; /* 70 degrees per second */
if (angle > 3600.0)
angle -= 3600.0;
switch (surface_type) {
case GEARS_WINDOW:
draw();
eglSwapBuffers(eman->dpy, eman->win);
break;
case GEARS_PBUFFER:
draw();
if (!eglCopyBuffers(eman->dpy, eman->pbuf, eman->xpix))
break;
copy_gears(eman, w, h, window_w, window_h);
break;
case GEARS_PBUFFER_TEXTURE:
eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx);
draw();
texture_gears(eman, surface_type);
break;
case GEARS_PIXMAP:
draw();
copy_gears(eman, w, h, window_w, window_h);
break;
case GEARS_PIXMAP_TEXTURE:
eglMakeCurrent(eman->dpy, eman->pix, eman->pix, eman->ctx);
draw();
texture_gears(eman, surface_type);
break;
case GEARS_RENDERBUFFER:
glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo);
draw();
glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
texture_gears(eman, surface_type);
break;
}
frames++;
if (tRate0 < 0.0)
tRate0 = t;
if (t - tRate0 >= 5.0) {
GLfloat seconds = t - tRate0;
GLfloat fps = frames / seconds;
printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
fps);
tRate0 = t;
frames = 0;
}
}
}
}
