phoenix-firestorm/indra/newview/llviewerdisplay.cpp

833 lines
21 KiB
C++

/**
* @file llviewerdisplay.cpp
* @brief LLViewerDisplay class implementation
*
* Copyright (c) 2004-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#include "llviewerprecompiledheaders.h"
#include "llagent.h"
#include "llviewercontrol.h"
#include "llcoord.h"
#include "llcriticaldamp.h"
#include "lldir.h"
#include "lldynamictexture.h"
#include "lldrawpoolalpha.h"
#include "llframestats.h"
#include "llgl.h"
#include "llglheaders.h"
#include "llhudmanager.h"
#include "llimagebmp.h"
#include "llimagegl.h"
#include "llselectmgr.h"
#include "llsky.h"
#include "llstartup.h"
#include "lltoolfocus.h"
#include "lltoolmgr.h"
#include "lltooldraganddrop.h"
#include "lltoolpie.h"
#include "lltracker.h"
#include "llui.h"
#include "llviewercamera.h"
#include "llviewerobjectlist.h"
#include "llviewerparcelmgr.h"
#include "llviewerwindow.h"
#include "llvoavatar.h"
#include "llvograss.h"
#include "llworld.h"
#include "pipeline.h"
#include "viewer.h"
#include "llstartup.h"
#include "llfasttimer.h"
#include "llfloatertools.h"
#include "llviewerimagelist.h"
#include "llfocusmgr.h"
extern U32 gFrameCount;
extern LLPointer<LLImageGL> gStartImageGL;
extern LLPointer<LLImageGL> gDisconnectedImagep;
extern BOOL gLogoutRequestSent;
extern LLTimer gLogoutTimer;
extern BOOL gHaveSavedSnapshot;
extern BOOL gDisplaySwapBuffers;
// used to toggle renderer back on after teleport
const F32 TELEPORT_RENDER_DELAY = 20.f; // Max time a teleport is allowed to take before we raise the curtain
const F32 TELEPORT_ARRIVAL_DELAY = 2.f; // Time to preload the world before raising the curtain after we've actually already arrived.
BOOL gTeleportDisplay = FALSE;
LLFrameTimer gTeleportDisplayTimer;
LLFrameTimer gTeleportArrivalTimer;
const F32 RESTORE_GL_TIME = 5.f; // Wait this long while reloading textures before we raise the curtain
BOOL gForceRenderLandFence = FALSE;
BOOL gDisplaySwapBuffers = FALSE;
// Rendering stuff
void pre_show_depth_buffer();
void post_show_depth_buffer();
void render_ui_and_swap();
void render_ui_3d();
void render_ui_2d();
void render_disconnected_background();
void process_keystrokes_async(); // in viewer.cpp
void display_startup()
{
if ( !gViewerWindow->getActive()
|| !gViewerWindow->mWindow->getVisible()
|| gViewerWindow->mWindow->getMinimized()
|| gNoRender )
{
return;
}
LLDynamicTexture::updateAllInstances();
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
LLGLSDefault gls_default;
LLGLSUIDefault gls_ui;
gPipeline.disableLights();
gViewerWindow->setup2DRender();
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
gViewerWindow->draw();
gViewerWindow->mWindow->swapBuffers();
}
void display_update_camera()
{
// TODO: cut draw distance down if customizing avatar?
// TODO: cut draw distance on per-parcel basis?
// Cut draw distance in half when customizing avatar,
// but on the viewer only.
F32 final_far = gAgent.mDrawDistance;
if (CAMERA_MODE_CUSTOMIZE_AVATAR == gAgent.getCameraMode())
{
final_far *= 0.5f;
}
gCamera->setFar(final_far);
gViewerWindow->setup3DRender();
// Update land visibility too
if (gWorldp)
{
gWorldp->setLandFarClip(final_far);
}
}
// 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.
for (S32 j = 7; j >=0; j--)
{
glActiveTextureARB(GL_TEXTURE0_ARB+j);
glClientActiveTextureARB(GL_TEXTURE0_ARB+j);
j == 0 ? glEnable(GL_TEXTURE_2D) : glDisable(GL_TEXTURE_2D);
}
#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)
{
if (!gViewerWindow->renderingFastFrame())
{
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(llwindow_get_hwnd(gViewerWindow->getWindow()), 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 (gStartupState < 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");
gPipeline.mBackfaceCull = TRUE;
gFrameCount++;
//////////////////////////////////////////////////////////
//
// 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("Requesting Teleport...");
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("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_CANCELLING:
gViewerWindow->setProgressCancelButtonVisible(FALSE, "Cancel");
gViewerWindow->setProgressPercent( 100.f );
gViewerWindow->setProgressString("Canceling...");
break;
case LLAgent::TELEPORT_NONE:
// No teleport in progress
gViewerWindow->setShowProgress(FALSE);
gTeleportDisplay = FALSE;
break;
}
}
else if(gLogoutRequestSent)
{
F32 percent_done = gLogoutTimer.getElapsedTimeF32() * 100.f / gLogoutMaxTime;
if (percent_done > 100.f)
{
percent_done = 100.f;
}
if( gQuit )
{
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( gQuit )
{
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);
}
}
if (rebuild)
{
if (gViewerWindow->renderingFastFrame())
{
gFrameStats.start(LLFrameStats::STATE_SORT);
gFrameStats.start(LLFrameStats::REBUILD);
}
}
/////////////////////////////
//
// Update the camera
//
//
gCamera->setZoomParameters(zoom_factor, subfield);
//////////////////////////
//
// 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 );
}
gViewerWindow->setupViewport();
//////////////////////////
//
// Set rendering options
//
//
stop_glerror();
if (gSavedSettings.getBOOL("ShowDepthBuffer"))
{
pre_show_depth_buffer();
}
if(gUseWireframe)//gSavedSettings.getBOOL("UseWireframe"))
{
glClearColor(0.5f, 0.5f, 0.5f, 0.f);
glClear(GL_COLOR_BUFFER_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
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();
//LLGLState::verify();
/////////////////////////////////////
//
// Render
//
// Actually push all of our triangles to the screen.
//
if (!gDisconnected)
{
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();
gFrameStats.start(LLFrameStats::UPDATE_CULL);
gPipeline.updateCull();
stop_glerror();
if (rebuild && !gViewerWindow->renderingFastFrame())
{
LLFastTimer t(LLFastTimer::FTM_REBUILD);
///////////////////////////////////
//
// 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.
//
gFrameStats.start(LLFrameStats::STATE_SORT);
gPipeline.stateSort();
stop_glerror();
//////////////////////////////////////
//
// 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 (gViewerWindow->renderingFastFrame())
{
gFrameStats.start(LLFrameStats::RENDER_SYNC);
gFrameStats.start(LLFrameStats::RENDER_GEOM);
}
else if (!(gLogoutRequestSent && gHaveSavedSnapshot)
&& !gRestoreGL
&& !gDisconnected)
{
gPipeline.renderGeom();
stop_glerror();
}
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();
}
void render_ui_and_swap()
{
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
#endif
LLGLSDefault gls_default;
{
LLGLSUIDefault gls_ui;
gPipeline.disableLights();
if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_UI))
{
LLFastTimer t(LLFastTimer::FTM_RENDER_UI);
if (!gViewerWindow->renderingFastFrame() && !gDisconnected)
{
render_ui_3d();
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
#endif
}
render_ui_2d();
#ifndef LL_RELEASE_FOR_DOWNLOAD
LLGLState::checkStates();
#endif
}
// now do the swap buffer
if (gDisplaySwapBuffers)
{
LLFastTimer t(LLFastTimer::FTM_SWAP);
gViewerWindow->mWindow->swapBuffers();
}
}
gViewerWindow->finishFirstFastFrame();
}
void render_ui_3d()
{
LLGLSPipeline gls_pipeline;
//////////////////////////////////////
//
// Render 3D UI elements
// NOTE: zbuffer is cleared before we get here by LLDrawPoolHUD,
// so 3d elements requiring Z buffer are moved to LLDrawPoolHUD
//
// Render selections
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/////////////////////////////////////////////////////////////
//
// Render 2.5D elements (2D elements in the world)
// Stuff without z writes
//
// Debugging stuff goes before the UI.
if (gSavedSettings.getBOOL("ShowDepthBuffer"))
{
post_show_depth_buffer();
}
// Coordinate axes
if (gSavedSettings.getBOOL("ShowAxes"))
{
draw_axes();
}
stop_glerror();
gViewerWindow->renderSelections(FALSE, FALSE, TRUE); // Non HUD call in render_hud_elements
stop_glerror();
}
void render_ui_2d()
{
LLGLSUIDefault gls_ui;
/////////////////////////////////////////////////////////////
//
// Render 2D UI elements that overlay the world (no z compare)
// Disable wireframe mode below here, as this is HUD/menus
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
// Menu overlays, HUD, etc
gViewerWindow->setup2DRender();
F32 zoom_factor = gCamera->getZoomFactor();
S16 sub_region = gCamera->getZoomSubRegion();
if (zoom_factor > 1.f)
{
//decompose subregion number to x and y values
int pos_y = sub_region / llceil(zoom_factor);
int pos_x = sub_region - (pos_y*llceil(zoom_factor));
// offset for this tile
LLFontGL::sCurOrigin.mX -= llround((F32)gViewerWindow->getWindowWidth() * (F32)pos_x / zoom_factor);
LLFontGL::sCurOrigin.mY -= llround((F32)gViewerWindow->getWindowHeight() * (F32)pos_y / zoom_factor);
}
stop_glerror();
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
// render outline for HUD
if (gAgent.getAvatarObject() && gAgent.getAvatarObject()->mHUDCurZoom < 0.98f)
{
glPushMatrix();
S32 half_width = (gViewerWindow->getWindowWidth() / 2);
S32 half_height = (gViewerWindow->getWindowHeight() / 2);
glTranslatef((F32)half_width, (F32)half_height, 0.f);
glScalef(gAgent.getAvatarObject()->mHUDCurZoom, gAgent.getAvatarObject()->mHUDCurZoom, gAgent.getAvatarObject()->mHUDCurZoom);
glColor4fv(LLColor4::white.mV);
gl_rect_2d(-half_width, half_height, half_width, -half_height, FALSE);
glPopMatrix();
stop_glerror();
}
gViewerWindow->draw();
if (gDebugSelect)
{
gViewerWindow->drawPickBuffer();
}
// reset current origin for font rendering, in case of tiling render
LLFontGL::sCurOrigin.set(0, 0);
}
void renderCoordinateAxes()
{
LLGLSNoTexture gls_no_texture;
glBegin(GL_LINES);
glColor3f(1.0f, 0.0f, 0.0f); // i direction = X-Axis = red
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(2.0f, 0.0f, 0.0f);
glVertex3f(3.0f, 0.0f, 0.0f);
glVertex3f(5.0f, 0.0f, 0.0f);
glVertex3f(6.0f, 0.0f, 0.0f);
glVertex3f(8.0f, 0.0f, 0.0f);
// Make an X
glVertex3f(11.0f, 1.0f, 1.0f);
glVertex3f(11.0f, -1.0f, -1.0f);
glVertex3f(11.0f, 1.0f, -1.0f);
glVertex3f(11.0f, -1.0f, 1.0f);
glColor3f(0.0f, 1.0f, 0.0f); // j direction = Y-Axis = green
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 2.0f, 0.0f);
glVertex3f(0.0f, 3.0f, 0.0f);
glVertex3f(0.0f, 5.0f, 0.0f);
glVertex3f(0.0f, 6.0f, 0.0f);
glVertex3f(0.0f, 8.0f, 0.0f);
// Make a Y
glVertex3f(1.0f, 11.0f, 1.0f);
glVertex3f(0.0f, 11.0f, 0.0f);
glVertex3f(-1.0f, 11.0f, 1.0f);
glVertex3f(0.0f, 11.0f, 0.0f);
glVertex3f(0.0f, 11.0f, 0.0f);
glVertex3f(0.0f, 11.0f, -1.0f);
glColor3f(0.0f, 0.0f, 1.0f); // Z-Axis = blue
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 2.0f);
glVertex3f(0.0f, 0.0f, 3.0f);
glVertex3f(0.0f, 0.0f, 5.0f);
glVertex3f(0.0f, 0.0f, 6.0f);
glVertex3f(0.0f, 0.0f, 8.0f);
// Make a Z
glVertex3f(-1.0f, 1.0f, 11.0f);
glVertex3f(1.0f, 1.0f, 11.0f);
glVertex3f(1.0f, 1.0f, 11.0f);
glVertex3f(-1.0f, -1.0f, 11.0f);
glVertex3f(-1.0f, -1.0f, 11.0f);
glVertex3f(1.0f, -1.0f, 11.0f);
glEnd();
}
void draw_axes()
{
LLGLSUIDefault gls_ui;
LLGLSNoTexture gls_no_texture;
// A vertical white line at origin
LLVector3 v = gAgent.getPositionAgent();
glBegin(GL_LINES);
glColor3f(1.0f, 1.0f, 1.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 40.0f);
glEnd();
// Some coordinate axes
glPushMatrix();
glTranslatef( v.mV[VX], v.mV[VY], v.mV[VZ] );
renderCoordinateAxes();
glPopMatrix();
}
void render_disconnected_background()
{
if (!gDisconnectedImagep && gDisconnected)
{
llinfos << "Loading last bitmap..." << llendl;
char temp_str[MAX_PATH];
strcpy(temp_str, gDirUtilp->getLindenUserDir().c_str());
strcat(temp_str, gDirUtilp->getDirDelimiter().c_str());
strcat(temp_str, SCREEN_LAST_FILENAME);
LLPointer<LLImageBMP> image_bmp = new LLImageBMP;
if( !image_bmp->load(temp_str) )
{
//llinfos << "Bitmap load failed" << llendl;
return;
}
gDisconnectedImagep = new LLImageGL( FALSE );
LLPointer<LLImageRaw> raw = new LLImageRaw;
if (!image_bmp->decode(raw))
{
llinfos << "Bitmap decode failed" << llendl;
gDisconnectedImagep = NULL;
return;
}
U8 *rawp = raw->getData();
S32 npixels = (S32)image_bmp->getWidth()*(S32)image_bmp->getHeight();
for (S32 i = 0; i < npixels; i++)
{
S32 sum = 0;
sum = *rawp + *(rawp+1) + *(rawp+2);
sum /= 3;
*rawp = ((S32)sum*6 + *rawp)/7;
rawp++;
*rawp = ((S32)sum*6 + *rawp)/7;
rawp++;
*rawp = ((S32)sum*6 + *rawp)/7;
rawp++;
}
raw->expandToPowerOfTwo();
gDisconnectedImagep->createGLTexture(0, raw);
gStartImageGL = gDisconnectedImagep;
LLImageGL::unbindTexture(0, GL_TEXTURE_2D);
}
// Make sure the progress view always fills the entire window.
S32 width = gViewerWindow->getWindowWidth();
S32 height = gViewerWindow->getWindowHeight();
if (gDisconnectedImagep)
{
LLGLSUIDefault gls_ui;
gViewerWindow->setup2DRender();
glPushMatrix();
{
// scale ui to reflect UIScaleFactor
// this can't be done in setup2DRender because it requires a
// pushMatrix/popMatrix pair
const LLVector2& display_scale = gViewerWindow->getDisplayScale();
glScalef(display_scale.mV[VX], display_scale.mV[VY], 1.f);
LLViewerImage::bindTexture(gDisconnectedImagep);
glColor4f(1.f, 1.f, 1.f, 1.f);
gl_rect_2d_simple_tex(width, height);
LLImageGL::unbindTexture(0, GL_TEXTURE_2D);
}
glPopMatrix();
}
}