bool EmulatedQemuCameraDevice::inWorkerThread()
{
/* Wait till FPS timeout expires, or thread exit message is received. */
WorkerThread::SelectRes res =
getWorkerThread()->Select(-1, 1000000 / mEmulatedFPS);
if (res == WorkerThread::EXIT_THREAD) {
LOGV("%s: Worker thread has been terminated.", __FUNCTION__);
return false;
}
/* Lets see if we need to generate a new frame. */
if ((systemTime(SYSTEM_TIME_MONOTONIC) - mLastRedrawn) >= mRedrawAfter) {
/*
* Time to generate a new frame.
*/
#if EFCD_ROTATE_FRAME
LOGV("%s: calld frame_type = rotateFrame():%d", __FUNCTION__, frame_type);
const int frame_type = rotateFrame();
switch (frame_type) {
case 0:
drawCheckerboard();
break;
case 1:
drawStripes();
break;
case 2:
drawSolid(mCurrentColor);
break;
}
#else
/* Draw the checker board. */
LOGV("%s: calld drawCheckerboard()", __FUNCTION__);
drawCheckerboard();
#endif // EFCD_ROTATE_FRAME
mLastRedrawn = systemTime(SYSTEM_TIME_MONOTONIC);
}
/* Timestamp the current frame, and notify the camera HAL about new frame. */
mCurFrameTimestamp = systemTime(SYSTEM_TIME_MONOTONIC);
LOGV("%s: calld mCameraHAL->onNextFrameAvailable(mCurrentFrame:%p", __FUNCTION__,mCurrentFrame);
mCameraHAL->onNextFrameAvailable(mCurrentFrame, mCurFrameTimestamp, this);
return true;
}
void redraw(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Only need this if you care to look at the stencil buffer */
if(dataChoice == STENCIL)
glClear(GL_STENCIL_BUFFER_BIT);
glPushMatrix();
glScalef(.5, .5, .5);
if(stage == 1)
goto doneWithFrame;
setupLight();
setupNormalDrawingState();
glPushMatrix();
glTranslatef(0, 1, 4);
glRotatef(135, 0, 1, 0);
drawAirplane();
glPopMatrix();
if(stage == 2)
goto doneWithFrame;
setupBasePolygonState(3); /* 2 decals */
drawGround();
if(stage == 3)
goto doneWithFrame;
setupDecalState(1); /* decal # 1 = the runway asphalt */
drawAsphalt();
if(stage == 4)
goto doneWithFrame;
setupDecalState(2); /* decal # 2 = yellow paint on the runway */
drawStripes();
if(stage == 5)
goto doneWithFrame;
setupDecalState(3); /* decal # 3 = the plane's shadow */
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glPushMatrix();
glColor4f(0, 0, 0, .5);
glTranslatef(0, 0, 4);
glRotatef(135, 0, 1, 0);
glScalef(1, 0, 1);
drawAirplane();
glPopMatrix();
glDisable(GL_BLEND);
glEnable(GL_LIGHTING);
doneWithFrame:
setupNormalDrawingState();
glPopMatrix();
switch(dataChoice) {
case COLOR:
break; /* color already in back buffer */
case STENCIL:
copyStencilToColor(GL_BACK);
break;
case DEPTH:
copyDepthToColor(GL_BACK);
break;
}
glutSwapBuffers();
}
