bool FrameBuffer::post(HandleType p_colorbuffer, bool needLock)
{
if (needLock) m_lock.lock();
bool ret = false;
ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) );
if (c != m_colorbuffers.end()) {
m_lastPostedColorBuffer = p_colorbuffer;
if (!m_subWin) {
// no subwindow created for the FB output
// cannot post the colorbuffer
if (needLock) m_lock.unlock();
return ret;
}
// bind the subwindow eglSurface
if (!bindSubwin_locked()) {
ERR("FrameBuffer::post eglMakeCurrent failed\n");
if (needLock) m_lock.unlock();
return false;
}
//
// render the color buffer to the window
//
s_gl.glPushMatrix();
s_gl.glRotatef(m_zRot, 0.0f, 0.0f, 1.0f);
if (m_zRot != 0.0f) {
s_gl.glClear(GL_COLOR_BUFFER_BIT);
}
ret = (*c).second.cb->post();
s_gl.glPopMatrix();
if (ret) {
//
// output FPS statistics
//
if (m_fpsStats) {
long long currTime = GetCurrentTimeMS();
m_statsNumFrames++;
if (currTime - m_statsStartTime >= 1000) {
float dt = (float)(currTime - m_statsStartTime) / 1000.0f;
printf("FPS: %5.3f\n", (float)m_statsNumFrames / dt);
m_statsStartTime = currTime;
m_statsNumFrames = 0;
}
}
s_egl.eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
// restore previous binding
unbind_locked();
//
// Send framebuffer (without FPS overlay) to callback
//
if (m_onPost) {
(*c).second.cb->readback(m_fbImage);
m_onPost(m_onPostContext, m_width, m_height, -1,
GL_RGBA, GL_UNSIGNED_BYTE, m_fbImage);
}
}
if (needLock) m_lock.unlock();
return ret;
}
bool FrameBuffer::post(HandleType p_colorbuffer, bool needLock)
{
if (needLock) {
m_lock.lock();
}
bool ret = false;
ColorBufferMap::iterator c( m_colorbuffers.find(p_colorbuffer) );
if (c == m_colorbuffers.end()) {
goto EXIT;
}
m_lastPostedColorBuffer = p_colorbuffer;
if (m_subWin) {
// bind the subwindow eglSurface
if (!bindSubwin_locked()) {
ERR("FrameBuffer::post(): eglMakeCurrent failed\n");
goto EXIT;
}
//
// render the color buffer to the window
//
if (m_zRot != 0.0f) {
s_gles2.glClear(GL_COLOR_BUFFER_BIT);
}
ret = (*c).second.cb->post(m_zRot);
if (ret) {
s_egl.eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
// restore previous binding
unbind_locked();
} else {
// If there is no sub-window, don't display anything, the client will
// rely on m_onPost to get the pixels instead.
ret = true;
}
//
// output FPS statistics
//
if (m_fpsStats) {
long long currTime = GetCurrentTimeMS();
m_statsNumFrames++;
if (currTime - m_statsStartTime >= 1000) {
float dt = (float)(currTime - m_statsStartTime) / 1000.0f;
printf("FPS: %5.3f\n", (float)m_statsNumFrames / dt);
m_statsStartTime = currTime;
m_statsNumFrames = 0;
}
}
//
// Send framebuffer (without FPS overlay) to callback
//
if (m_onPost) {
(*c).second.cb->readback(m_fbImage);
m_onPost(m_onPostContext,
m_width,
m_height,
-1,
GL_RGBA,
GL_UNSIGNED_BYTE,
m_fbImage);
}
EXIT:
if (needLock) {
m_lock.unlock();
}
return ret;
}
