void GraphicsEngine::render_performFrame() {
// Some plugins process message events, allowing paintGL to be called reentrantly.
_renderFrameCount++;
auto lastPaintBegin = usecTimestampNow();
PROFILE_RANGE_EX(render, __FUNCTION__, 0xff0000ff, (uint64_t)_renderFrameCount);
PerformanceTimer perfTimer("paintGL");
DisplayPluginPointer displayPlugin;
{
PROFILE_RANGE(render, "/getActiveDisplayPlugin");
displayPlugin = qApp->getActiveDisplayPlugin();
}
{
PROFILE_RANGE(render, "/pluginBeginFrameRender");
// If a display plugin loses it's underlying support, it
// needs to be able to signal us to not use it
if (!displayPlugin->beginFrameRender(_renderFrameCount)) {
QMetaObject::invokeMethod(qApp, "updateDisplayMode");
return;
}
}
RenderArgs renderArgs;
glm::mat4 HMDSensorPose;
glm::mat4 eyeToWorld;
glm::mat4 sensorToWorld;
ViewFrustum viewFrustum;
bool isStereo;
glm::mat4 stereoEyeOffsets[2];
glm::mat4 stereoEyeProjections[2];
{
QMutexLocker viewLocker(&_renderArgsMutex);
renderArgs = _appRenderArgs._renderArgs;
// don't render if there is no context.
if (!_appRenderArgs._renderArgs._context) {
return;
}
HMDSensorPose = _appRenderArgs._headPose;
eyeToWorld = _appRenderArgs._eyeToWorld;
sensorToWorld = _appRenderArgs._sensorToWorld;
isStereo = _appRenderArgs._isStereo;
for_each_eye([&](Eye eye) {
stereoEyeOffsets[eye] = _appRenderArgs._eyeOffsets[eye];
stereoEyeProjections[eye] = _appRenderArgs._eyeProjections[eye];
});
viewFrustum = _appRenderArgs._renderArgs.getViewFrustum();
}
{
PROFILE_RANGE(render, "/gpuContextReset");
getGPUContext()->beginFrame(_appRenderArgs._view, HMDSensorPose);
// Reset the gpu::Context Stages
// Back to the default framebuffer;
gpu::doInBatch("Application_render::gpuContextReset", getGPUContext(), [&](gpu::Batch& batch) {
batch.resetStages();
});
if (isStereo) {
renderArgs._context->enableStereo(true);
renderArgs._context->setStereoProjections(stereoEyeProjections);
renderArgs._context->setStereoViews(stereoEyeOffsets);
}
}
gpu::FramebufferPointer finalFramebuffer;
QSize finalFramebufferSize;
{
PROFILE_RANGE(render, "/getOutputFramebuffer");
// Primary rendering pass
auto framebufferCache = DependencyManager::get<FramebufferCache>();
finalFramebufferSize = framebufferCache->getFrameBufferSize();
// Final framebuffer that will be handed to the display-plugin
finalFramebuffer = framebufferCache->getFramebuffer();
}
if (!_programsCompiled.load()) {
gpu::doInBatch("splashFrame", _gpuContext, [&](gpu::Batch& batch) {
batch.setFramebuffer(finalFramebuffer);
batch.enableSkybox(true);
batch.enableStereo(isStereo);
batch.setViewportTransform({ 0, 0, finalFramebuffer->getSize() });
_splashScreen->render(batch, viewFrustum);
});
} else {
{
PROFILE_RANGE(render, "/renderOverlay");
PerformanceTimer perfTimer("renderOverlay");
// NOTE: There is no batch associated with this renderArgs
// the ApplicationOverlay class assumes it's viewport is setup to be the device size
renderArgs._viewport = glm::ivec4(0, 0, qApp->getDeviceSize());
qApp->getApplicationOverlay().renderOverlay(&renderArgs);
}
{
PROFILE_RANGE(render, "/updateCompositor");
qApp->getApplicationCompositor().setFrameInfo(_renderFrameCount, eyeToWorld, sensorToWorld);
}
{
PROFILE_RANGE(render, "/runRenderFrame");
renderArgs._hudOperator = displayPlugin->getHUDOperator();
renderArgs._hudTexture = qApp->getApplicationOverlay().getOverlayTexture();
renderArgs._blitFramebuffer = finalFramebuffer;
render_runRenderFrame(&renderArgs);
}
}
auto frame = getGPUContext()->endFrame();
frame->frameIndex = _renderFrameCount;
frame->framebuffer = finalFramebuffer;
frame->framebufferRecycler = [](const gpu::FramebufferPointer& framebuffer) {
auto frameBufferCache = DependencyManager::get<FramebufferCache>();
if (frameBufferCache) {
frameBufferCache->releaseFramebuffer(framebuffer);
}
};
// deliver final scene rendering commands to the display plugin
{
PROFILE_RANGE(render, "/pluginOutput");
PerformanceTimer perfTimer("pluginOutput");
_renderLoopCounter.increment();
displayPlugin->submitFrame(frame);
}
// Reset the framebuffer and stereo state
renderArgs._blitFramebuffer.reset();
renderArgs._context->enableStereo(false);
#if !defined(DISABLE_QML)
{
auto stats = Stats::getInstance();
if (stats) {
stats->setRenderDetails(renderArgs._details);
}
}
#endif
uint64_t lastPaintDuration = usecTimestampNow() - lastPaintBegin;
_frameTimingsScriptingInterface.addValue(lastPaintDuration);
}
void Application::paintGL() {
// Some plugins process message events, allowing paintGL to be called reentrantly.
if (_aboutToQuit || _window->isMinimized()) {
return;
}
_renderFrameCount++;
_lastTimeRendered.start();
auto lastPaintBegin = usecTimestampNow();
PROFILE_RANGE_EX(render, __FUNCTION__, 0xff0000ff, (uint64_t)_renderFrameCount);
PerformanceTimer perfTimer("paintGL");
if (nullptr == _displayPlugin) {
return;
}
DisplayPluginPointer displayPlugin;
{
PROFILE_RANGE(render, "/getActiveDisplayPlugin");
displayPlugin = getActiveDisplayPlugin();
}
{
PROFILE_RANGE(render, "/pluginBeginFrameRender");
// If a display plugin loses it's underlying support, it
// needs to be able to signal us to not use it
if (!displayPlugin->beginFrameRender(_renderFrameCount)) {
QMetaObject::invokeMethod(this, "updateDisplayMode");
return;
}
}
RenderArgs renderArgs;
glm::mat4 HMDSensorPose;
glm::mat4 eyeToWorld;
glm::mat4 sensorToWorld;
bool isStereo;
glm::mat4 stereoEyeOffsets[2];
glm::mat4 stereoEyeProjections[2];
{
QMutexLocker viewLocker(&_renderArgsMutex);
renderArgs = _appRenderArgs._renderArgs;
// don't render if there is no context.
if (!_appRenderArgs._renderArgs._context) {
return;
}
HMDSensorPose = _appRenderArgs._headPose;
eyeToWorld = _appRenderArgs._eyeToWorld;
sensorToWorld = _appRenderArgs._sensorToWorld;
isStereo = _appRenderArgs._isStereo;
for_each_eye([&](Eye eye) {
stereoEyeOffsets[eye] = _appRenderArgs._eyeOffsets[eye];
stereoEyeProjections[eye] = _appRenderArgs._eyeProjections[eye];
});
}
{
PROFILE_RANGE(render, "/gpuContextReset");
_gpuContext->beginFrame(HMDSensorPose);
// Reset the gpu::Context Stages
// Back to the default framebuffer;
gpu::doInBatch(_gpuContext, [&](gpu::Batch& batch) {
batch.resetStages();
});
}
{
PROFILE_RANGE(render, "/renderOverlay");
PerformanceTimer perfTimer("renderOverlay");
// NOTE: There is no batch associated with this renderArgs
// the ApplicationOverlay class assumes it's viewport is setup to be the device size
renderArgs._viewport = glm::ivec4(0, 0, getDeviceSize());
_applicationOverlay.renderOverlay(&renderArgs);
}
{
PROFILE_RANGE(render, "/updateCompositor");
getApplicationCompositor().setFrameInfo(_renderFrameCount, eyeToWorld, sensorToWorld);
}
gpu::FramebufferPointer finalFramebuffer;
QSize finalFramebufferSize;
{
PROFILE_RANGE(render, "/getOutputFramebuffer");
// Primary rendering pass
auto framebufferCache = DependencyManager::get<FramebufferCache>();
finalFramebufferSize = framebufferCache->getFrameBufferSize();
// Final framebuffer that will be handled to the display-plugin
finalFramebuffer = framebufferCache->getFramebuffer();
}
{
if (isStereo) {
renderArgs._context->enableStereo(true);
renderArgs._context->setStereoProjections(stereoEyeProjections);
renderArgs._context->setStereoViews(stereoEyeOffsets);
}
renderArgs._hudOperator = displayPlugin->getHUDOperator();
renderArgs._hudTexture = _applicationOverlay.getOverlayTexture();
renderArgs._blitFramebuffer = finalFramebuffer;
runRenderFrame(&renderArgs);
}
auto frame = _gpuContext->endFrame();
frame->frameIndex = _renderFrameCount;
frame->framebuffer = finalFramebuffer;
frame->framebufferRecycler = [](const gpu::FramebufferPointer& framebuffer) {
DependencyManager::get<FramebufferCache>()->releaseFramebuffer(framebuffer);
};
// deliver final scene rendering commands to the display plugin
{
PROFILE_RANGE(render, "/pluginOutput");
PerformanceTimer perfTimer("pluginOutput");
_renderLoopCounter.increment();
displayPlugin->submitFrame(frame);
}
// Reset the framebuffer and stereo state
renderArgs._blitFramebuffer.reset();
renderArgs._context->enableStereo(false);
{
Stats::getInstance()->setRenderDetails(renderArgs._details);
}
uint64_t lastPaintDuration = usecTimestampNow() - lastPaintBegin;
_frameTimingsScriptingInterface.addValue(lastPaintDuration);
}