// Paint the display!
void display(BOOL rebuild, F32 zoom_factor, int subfield)
{
LLFastTimer t(LLFastTimer::FTM_RENDER);
LLGLSDefault gls_default;
LLGLDepthTest gls_depth(GL_TRUE, GL_TRUE, GL_LEQUAL);
// No clue where this is getting unset, but safe enough to reset it here.
LLGLState::resetTextureStates();
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
LLGLState::checkTextureChannels();
#endif
gPipeline.disableLights();
// Don't draw if the window is hidden or minimized.
// In fact, must explicitly check the minimized state before drawing.
// Attempting to draw into a minimized window causes a GL error. JC
if ( !gViewerWindow->getActive()
|| !gViewerWindow->mWindow->getVisible()
|| gViewerWindow->mWindow->getMinimized() )
{
// Clean up memory the pools may have allocated
if (rebuild)
{
gFrameStats.start(LLFrameStats::REBUILD);
gPipeline.rebuildPools();
}
return;
}
gViewerWindow->checkSettings();
gViewerWindow->performPick();
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
LLGLState::checkTextureChannels();
#endif
//////////////////////////////////////////////////////////
//
// Logic for forcing window updates if we're in drone mode.
//
if (gNoRender)
{
#if LL_WINDOWS
static F32 last_update_time = 0.f;
if ((gFrameTimeSeconds - last_update_time) > 1.f)
{
InvalidateRect((HWND)gViewerWindow->getPlatformWindow(), NULL, FALSE);
last_update_time = gFrameTimeSeconds;
}
#elif LL_DARWIN
// MBW -- Do something clever here.
#endif
// Not actually rendering, don't bother.
return;
}
//
// Bail out if we're in the startup state and don't want to try to
// render the world.
//
if (LLStartUp::getStartupState() < STATE_STARTED)
{
display_startup();
return;
}
//LLGLState::verify(FALSE);
/////////////////////////////////////////////////
//
// Update GL Texture statistics (used for discard logic?)
//
gFrameStats.start(LLFrameStats::UPDATE_TEX_STATS);
stop_glerror();
LLImageGL::updateStats(gFrameTimeSeconds);
LLVOAvatar::sRenderName = gSavedSettings.getS32("RenderName");
LLVOAvatar::sRenderGroupTitles = gSavedSettings.getBOOL("RenderGroupTitleAll");
gPipeline.mBackfaceCull = TRUE;
gFrameCount++;
if (gFocusMgr.getAppHasFocus())
{
gForegroundFrameCount++;
}
//////////////////////////////////////////////////////////
//
// Display start screen if we're teleporting, and skip render
//
if (gTeleportDisplay)
{
const F32 TELEPORT_ARRIVAL_DELAY = 2.f; // Time to preload the world before raising the curtain after we've actually already arrived.
S32 attach_count = 0;
if (gAgent.getAvatarObject())
{
attach_count = gAgent.getAvatarObject()->getAttachmentCount();
}
F32 teleport_save_time = TELEPORT_EXPIRY + TELEPORT_EXPIRY_PER_ATTACHMENT * attach_count;
F32 teleport_elapsed = gTeleportDisplayTimer.getElapsedTimeF32();
F32 teleport_percent = teleport_elapsed * (100.f / teleport_save_time);
if( (gAgent.getTeleportState() != LLAgent::TELEPORT_START) && (teleport_percent > 100.f) )
{
// Give up. Don't keep the UI locked forever.
gAgent.setTeleportState( LLAgent::TELEPORT_NONE );
gAgent.setTeleportMessage("");
}
const LLString& message = gAgent.getTeleportMessage();
switch( gAgent.getTeleportState() )
{
case LLAgent::TELEPORT_START:
// Transition to REQUESTED. Viewer has sent some kind
// of TeleportRequest to the source simulator
gTeleportDisplayTimer.reset();
gViewerWindow->setShowProgress(TRUE);
gViewerWindow->setProgressPercent(0);
gAgent.setTeleportState( LLAgent::TELEPORT_REQUESTED );
gAgent.setTeleportMessage(
LLAgent::sTeleportProgressMessages["requesting"]);
break;
case LLAgent::TELEPORT_REQUESTED:
// Waiting for source simulator to respond
gViewerWindow->setProgressPercent( llmin(teleport_percent, 37.5f) );
gViewerWindow->setProgressString(message);
break;
case LLAgent::TELEPORT_MOVING:
// Viewer has received destination location from source simulator
gViewerWindow->setProgressPercent( llmin(teleport_percent, 75.f) );
gViewerWindow->setProgressString(message);
break;
case LLAgent::TELEPORT_START_ARRIVAL:
// Transition to ARRIVING. Viewer has received avatar update, etc., from destination simulator
gTeleportArrivalTimer.reset();
gViewerWindow->setProgressCancelButtonVisible(FALSE, "Cancel");
gViewerWindow->setProgressPercent(75.f);
gAgent.setTeleportState( LLAgent::TELEPORT_ARRIVING );
gAgent.setTeleportMessage(
LLAgent::sTeleportProgressMessages["arriving"]);
gImageList.mForceResetTextureStats = TRUE;
break;
case LLAgent::TELEPORT_ARRIVING:
// Make the user wait while content "pre-caches"
{
F32 arrival_fraction = (gTeleportArrivalTimer.getElapsedTimeF32() / TELEPORT_ARRIVAL_DELAY);
if( arrival_fraction > 1.f )
{
arrival_fraction = 1.f;
gAgent.setTeleportState( LLAgent::TELEPORT_NONE );
}
gViewerWindow->setProgressCancelButtonVisible(FALSE, "Cancel");
gViewerWindow->setProgressPercent( arrival_fraction * 25.f + 75.f);
gViewerWindow->setProgressString(message);
}
break;
case LLAgent::TELEPORT_NONE:
// No teleport in progress
gViewerWindow->setShowProgress(FALSE);
gTeleportDisplay = FALSE;
break;
}
}
else if(LLAppViewer::instance()->logoutRequestSent())
{
F32 percent_done = gLogoutTimer.getElapsedTimeF32() * 100.f / gLogoutMaxTime;
if (percent_done > 100.f)
{
percent_done = 100.f;
}
if( LLApp::isExiting() )
{
percent_done = 100.f;
}
gViewerWindow->setProgressPercent( percent_done );
}
else
if (gRestoreGL)
{
F32 percent_done = gRestoreGLTimer.getElapsedTimeF32() * 100.f / RESTORE_GL_TIME;
if( percent_done > 100.f )
{
gViewerWindow->setShowProgress(FALSE);
gRestoreGL = FALSE;
}
else
{
if( LLApp::isExiting() )
{
percent_done = 100.f;
}
gViewerWindow->setProgressPercent( percent_done );
}
}
//////////////////////////
//
// Prepare for the next frame
//
// Hmm... Should this be moved elsewhere? - djs 09/09/02
// do render-to-texture stuff here
if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_DYNAMIC_TEXTURES))
{
// LLFastTimer t(LLFastTimer::FTM_UPDATE_TEXTURES);
if (LLDynamicTexture::updateAllInstances())
{
glClear(GL_COLOR_BUFFER_BIT);
}
}
/////////////////////////////
//
// Update the camera
//
//
gCamera->setZoomParameters(zoom_factor, subfield);
gCamera->setNear(MIN_NEAR_PLANE);
//////////////////////////
//
// clear the next buffer
// (must follow dynamic texture writing since that uses the frame buffer)
//
if (gDisconnected)
{
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
render_disconnected_background();
}
else if (!gViewerWindow->isPickPending())
{
glClear( GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
//DEBUG TEMPORARY
glClear(GL_COLOR_BUFFER_BIT);
}
gViewerWindow->setupViewport();
//////////////////////////
//
// Set rendering options
//
//
stop_glerror();
if (gSavedSettings.getBOOL("ShowDepthBuffer"))
{
pre_show_depth_buffer();
}
//MK
if ((!RRenabled || !gAgent.mRRInterface.mContainsDetach) && gUseWireframe)
//mk
{
glClearColor(0.5f, 0.5f, 0.5f, 0.f);
glClear(GL_COLOR_BUFFER_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
LLPipeline::sUseOcclusion = FALSE;
}
else
{
LLPipeline::sUseOcclusion = gSavedSettings.getBOOL("UseOcclusion") && gGLManager.mHasOcclusionQuery && gFeatureManagerp->isFeatureAvailable("UseOcclusion");
}
stop_glerror();
///////////////////////////////////////
//
// Slam lighting parameters back to our defaults.
// Note that these are not the same as GL defaults...
stop_glerror();
F32 one[4] = {1.f, 1.f, 1.f, 1.f};
glLightModelfv (GL_LIGHT_MODEL_AMBIENT,one);
stop_glerror();
//Increment drawable frame counter
LLDrawable::incrementVisible();
/////////////////////////////////////
//
// Render
//
// Actually push all of our triangles to the screen.
//
if (!gDisconnected)
{
if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
{ //don't draw hud objects in this frame
gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
}
LLFastTimer t(LLFastTimer::FTM_WORLD_UPDATE);
stop_glerror();
display_update_camera();
stop_glerror();
// *TODO: merge these two methods
gHUDManager->updateEffects();
LLHUDObject::updateAll();
stop_glerror();
gFrameStats.start(LLFrameStats::UPDATE_GEOM);
const F32 max_geom_update_time = 0.005f; // 5 ms update time
gPipeline.updateGeom(max_geom_update_time);
stop_glerror();
LLSpatialPartition* part = gPipeline.getSpatialPartition(LLPipeline::PARTITION_VOLUME);
part->processImagery(gCamera);
display_update_camera();
gFrameStats.start(LLFrameStats::UPDATE_CULL);
gPipeline.updateCull(*gCamera);
stop_glerror();
///////////////////////////////////
//
// StateSort
//
// Responsible for taking visible objects, and adding them to the appropriate draw orders.
// In the case of alpha objects, z-sorts them first.
// Also creates special lists for outlines and selected face rendering.
//
{
LLFastTimer t(LLFastTimer::FTM_REBUILD);
gFrameStats.start(LLFrameStats::STATE_SORT);
gPipeline.stateSort(*gCamera);
stop_glerror();
if (rebuild)
{
//////////////////////////////////////
//
// rebuildPools
//
//
gFrameStats.start(LLFrameStats::REBUILD);
gPipeline.rebuildPools();
stop_glerror();
}
}
}
//// render frontmost floater opaque for occlusion culling purposes
//LLFloater* frontmost_floaterp = gFloaterView->getFrontmost();
//// assumes frontmost floater with focus is opaque
//if (frontmost_floaterp && gFocusMgr.childHasKeyboardFocus(frontmost_floaterp))
//{
// glMatrixMode(GL_MODELVIEW);
// glPushMatrix();
// {
// LLGLSNoTexture gls_no_texture;
// glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
// glLoadIdentity();
// LLRect floater_rect = frontmost_floaterp->getScreenRect();
// // deflate by one pixel so rounding errors don't occlude outside of floater extents
// floater_rect.stretch(-1);
// LLRectf floater_3d_rect((F32)floater_rect.mLeft / (F32)gViewerWindow->getWindowWidth(),
// (F32)floater_rect.mTop / (F32)gViewerWindow->getWindowHeight(),
// (F32)floater_rect.mRight / (F32)gViewerWindow->getWindowWidth(),
// (F32)floater_rect.mBottom / (F32)gViewerWindow->getWindowHeight());
// floater_3d_rect.translate(-0.5f, -0.5f);
// glTranslatef(0.f, 0.f, -gCamera->getNear());
// glScalef(gCamera->getNear() * gCamera->getAspect() / sinf(gCamera->getView()), gCamera->getNear() / sinf(gCamera->getView()), 1.f);
// glColor4fv(LLColor4::white.mV);
// glBegin(GL_QUADS);
// {
// glVertex3f(floater_3d_rect.mLeft, floater_3d_rect.mBottom, 0.f);
// glVertex3f(floater_3d_rect.mLeft, floater_3d_rect.mTop, 0.f);
// glVertex3f(floater_3d_rect.mRight, floater_3d_rect.mTop, 0.f);
// glVertex3f(floater_3d_rect.mRight, floater_3d_rect.mBottom, 0.f);
// }
// glEnd();
// glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// }
// glPopMatrix();
//}
if (!(LLAppViewer::instance()->logoutRequestSent() && LLAppViewer::instance()->hasSavedFinalSnapshot())
&& !gRestoreGL
&& !gDisconnected)
{
gPipeline.renderGeom(*gCamera);
stop_glerror();
}
//render hud attachments
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
if (LLPipeline::sShowHUDAttachments && !gDisconnected && setup_hud_matrices(FALSE))
{
LLCamera hud_cam = *gCamera;
glClear(GL_DEPTH_BUFFER_BIT);
LLVector3 origin = hud_cam.getOrigin();
hud_cam.setOrigin(-1.f,0,0);
hud_cam.setAxes(LLVector3(1,0,0), LLVector3(0,1,0), LLVector3(0,0,1));
LLViewerCamera::updateFrustumPlanes(hud_cam, TRUE);
//only render hud objects
U32 mask = gPipeline.getRenderTypeMask();
gPipeline.setRenderTypeMask(0);
gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
BOOL has_ui = gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI);
if (has_ui)
{
gPipeline.toggleRenderDebugFeature((void*) LLPipeline::RENDER_DEBUG_FEATURE_UI);
}
BOOL use_occlusion = gSavedSettings.getBOOL("UseOcclusion");
gSavedSettings.setBOOL("UseOcclusion", FALSE);
//cull, sort, and render hud objects
gPipeline.updateCull(hud_cam);
gPipeline.toggleRenderType(LLDrawPool::POOL_ALPHA_POST_WATER);
gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_BUMP);
gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_SIMPLE);
gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_VOLUME);
{
LLFastTimer ftm(LLFastTimer::FTM_REBUILD);
gPipeline.stateSort(hud_cam);
}
gPipeline.renderGeom(hud_cam);
//restore type mask
gPipeline.setRenderTypeMask(mask);
if (has_ui)
{
gPipeline.toggleRenderDebugFeature((void*) LLPipeline::RENDER_DEBUG_FEATURE_UI);
}
gSavedSettings.setBOOL("UseOcclusion", use_occlusion);
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
gFrameStats.start(LLFrameStats::RENDER_UI);
if (gHandleKeysAsync)
{
process_keystrokes_async();
stop_glerror();
}
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
#endif
render_ui_and_swap();
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
#endif
gFrameStats.start(LLFrameStats::MISC_END);
stop_glerror();
}
