1 files changed, 358 insertions, 0 deletions
diff --git a/indra/newview/llscenemonitor.cpp b/indra/newview/llscenemonitor.cpp
new file mode 100644
index 0000000000..8597767c61
--- /dev/null
+++ b/indra/newview/llscenemonitor.cpp
@@ -0,0 +1,358 @@
+/** 
+ * @file llscenemonitor.cpp
+ * @brief monitor the scene loading process.
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+#include "llrendertarget.h"
+#include "llscenemonitor.h"
+#include "llviewerwindow.h"
+#include "llviewerdisplay.h"
+#include "llviewercontrol.h"
+#include "llviewershadermgr.h"
+#include "llui.h"
+#include "llstartup.h"
+#include "llappviewer.h"
+#include "llwindow.h"
+#include "llpointer.h"
+
+LLSceneMonitorView* gSceneMonitorView = NULL;
+
+LLSceneMonitor::LLSceneMonitor() : mEnabled(false), mDiff(NULL), mNeedsUpdateDiff(FALSE)
+{
+	mFrames[0] = NULL;
+	mFrames[1] = NULL;
+}
+
+LLSceneMonitor::~LLSceneMonitor()
+{
+	destroyClass();
+}
+
+void LLSceneMonitor::destroyClass()
+{
+	reset();
+}
+
+void LLSceneMonitor::reset()
+{
+	delete mFrames[0];
+	delete mFrames[1];
+	delete mDiff;
+
+	mFrames[0] = NULL;
+	mFrames[1] = NULL;
+	mDiff = NULL;
+}
+
+void LLSceneMonitor::setEnabled(bool enabled)
+{
+	if(enabled == (bool)gSavedSettings.getBOOL("SceneLoadingMonitorEnabled"))
+	{
+		return;
+	}
+	gSavedSettings.setBOOL("SceneLoadingMonitorEnabled", enabled);
+}
+
+bool LLSceneMonitor::preCapture()
+{
+	static LLCachedControl<bool> enabled(gSavedSettings,"SceneLoadingMonitorEnabled");
+	static LLFrameTimer timer;	
+
+	mCurTarget = NULL;
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		return false;
+	}
+	if(mEnabled != (BOOL)enabled)
+	{
+		if(mEnabled)
+		{
+			reset();
+			unfreezeScene();
+		}
+		else
+		{
+			freezeScene();
+		}
+
+		mEnabled = (BOOL)enabled;
+	}
+
+	if(!mEnabled)
+	{
+		return false;
+	}
+
+	if (LLStartUp::getStartupState() < STATE_STARTED)
+	{
+		return false;
+	}
+
+	if(LLAppViewer::instance()->logoutRequestSent())
+	{
+		return false;
+	}
+
+	if(gWindowResized || gHeadlessClient || gTeleportDisplay || gRestoreGL || gDisconnected)
+	{
+		return false;
+	}
+
+	if (   !gViewerWindow->getActive()
+		|| !gViewerWindow->getWindow()->getVisible() 
+		|| gViewerWindow->getWindow()->getMinimized() )
+	{
+		return false;
+	}
+
+	if(timer.getElapsedTimeF32() < 1.0f)
+	{
+		return false;
+	}
+	timer.reset();
+	
+	S32 width = gViewerWindow->getWorldViewWidthRaw();
+	S32 height = gViewerWindow->getWorldViewHeightRaw();
+	
+	if(!mFrames[0])
+	{
+		mFrames[0] = new LLRenderTarget();
+		mFrames[0]->allocate(width, height, GL_RGB, false, false, LLTexUnit::TT_TEXTURE, true);
+		gGL.getTexUnit(0)->bind(mFrames[0]);
+		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+		mCurTarget = mFrames[0];
+	}
+	else if(!mFrames[1])
+	{
+		mFrames[1] = new LLRenderTarget();
+		mFrames[1]->allocate(width, height, GL_RGB, false, false, LLTexUnit::TT_TEXTURE, true);
+		gGL.getTexUnit(0)->bind(mFrames[1]);
+		gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+		mCurTarget = mFrames[1];
+	}
+	else //swap
+	{
+		mCurTarget = mFrames[0];
+		mFrames[0] = mFrames[1];
+		mFrames[1] = mCurTarget;
+	}
+	
+	if(mCurTarget->getWidth() != width || mCurTarget->getHeight() != height) //size changed
+	{
+		mCurTarget->resize(width, height, GL_RGB);
+	}
+
+	return true;
+}
+
+void LLSceneMonitor::postCapture()
+{
+	mCurTarget = NULL;
+	mNeedsUpdateDiff = TRUE;
+}
+
+void LLSceneMonitor::freezeAvatar(LLCharacter* avatarp)
+{
+	mAvatarPauseHandles.push_back(avatarp->requestPause());
+}
+
+void LLSceneMonitor::freezeScene()
+{
+	//freeze all avatars
+	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
+		iter != LLCharacter::sInstances.end(); ++iter)
+	{
+		freezeAvatar((LLCharacter*)(*iter));
+	}
+
+	// freeze everything else
+	gSavedSettings.setBOOL("FreezeTime", TRUE);
+}
+
+void LLSceneMonitor::unfreezeScene()
+{
+	//thaw all avatars
+	mAvatarPauseHandles.clear();
+
+	// thaw everything else
+	gSavedSettings.setBOOL("FreezeTime", FALSE);
+}
+
+LLRenderTarget* LLSceneMonitor::getDiffTarget() const 
+{
+	return mDiff;
+}
+
+void LLSceneMonitor::capture()
+{
+	static U32 count = 0;
+	if(count == gFrameCount)
+	{
+		return;
+	}
+	count = gFrameCount;
+
+	preCapture();
+
+	if(!mCurTarget)
+	{
+		return;
+	}
+	
+	U32 old_FBO = LLRenderTarget::sCurFBO;
+
+	gGL.getTexUnit(0)->bind(mCurTarget);
+	glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); //point to the main frame buffer.
+		
+	glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, mCurTarget->getWidth(), mCurTarget->getHeight()); //copy the content
+	
+	glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
+	glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);		
+	glBindFramebuffer(GL_FRAMEBUFFER, old_FBO);
+
+	postCapture();
+}
+
+void LLSceneMonitor::compare()
+{
+	if(!mNeedsUpdateDiff)
+	{
+		return;
+	}
+
+	if(!mFrames[0] || !mFrames[1])
+	{
+		return;
+	}
+	if(mFrames[0]->getWidth() != mFrames[1]->getWidth() || mFrames[0]->getHeight() != mFrames[1]->getHeight())
+	{
+		return; //size does not match
+	}
+
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		return;
+	}
+
+	S32 width = mFrames[0]->getWidth();
+	S32 height = mFrames[0]->getHeight();
+	if(!mDiff)
+	{
+		mDiff = new LLRenderTarget();
+		mDiff->allocate(width, height, GL_RGBA, false, false, LLTexUnit::TT_TEXTURE, true);
+	}
+	else if(mDiff->getWidth() != width || mDiff->getHeight() != height)
+	{
+		mDiff->resize(width, height, GL_RGBA);
+	}
+	mDiff->bindTarget();
+	mDiff->clear();
+
+	gTwoTextureCompareProgram.bind();
+	
+	gGL.getTexUnit(0)->activate();
+	gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+	gGL.getTexUnit(0)->bind(mFrames[0]);
+	gGL.getTexUnit(0)->activate();
+
+	gGL.getTexUnit(1)->activate();
+	gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
+	gGL.getTexUnit(1)->bind(mFrames[1]);
+	gGL.getTexUnit(1)->activate();	
+			
+	gl_rect_2d_simple_tex(width, height);
+	
+	gGL.flush();
+	mDiff->flush();
+
+	gTwoTextureCompareProgram.unbind();
+	
+	gGL.getTexUnit(0)->disable();
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	gGL.getTexUnit(1)->disable();
+	gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
+
+	mNeedsUpdateDiff = FALSE;
+}
+
+//-------------------------------------------------------------------------------------------------------------
+//definition of class LLSceneMonitorView
+//-------------------------------------------------------------------------------------------------------------
+LLSceneMonitorView::LLSceneMonitorView(const LLRect& rect)
+	:	LLFloater(LLSD())
+{
+	setRect(rect);
+	setVisible(FALSE);
+	
+	setCanMinimize(false);
+	setCanClose(true);
+}
+
+void LLSceneMonitorView::onClickCloseBtn()
+{
+	setVisible(false);	
+}
+
+void LLSceneMonitorView::setVisible(BOOL visible)
+{
+	if(visible != (BOOL)LLSceneMonitor::getInstance()->isEnabled())
+	{
+		LLSceneMonitor::getInstance()->setEnabled(visible);
+	}
+
+	LLView::setVisible(visible);
+}
+
+void LLSceneMonitorView::draw()
+{
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		return;
+	}
+	LLRenderTarget* target = LLSceneMonitor::getInstance()->getDiffTarget();
+	if(!target)
+	{
+		return;
+	}
+
+	S32 height = (S32) (gViewerWindow->getWindowRectScaled().getHeight()*0.75f);
+	S32 width = (S32) (gViewerWindow->getWindowRectScaled().getWidth() * 0.75f);
+	
+	LLRect new_rect;
+	new_rect.setLeftTopAndSize(getRect().mLeft, getRect().mTop, width, height);
+	setRect(new_rect);
+
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, LLColor4(0.f, 0.f, 0.f, 0.25f));
+	
+	gl_draw_scaled_target(0, 0, getRect().getWidth(), getRect().getHeight(), target);//, LLColor4(0.f, 0.f, 0.f, 0.25f));
+
+	LLView::draw();
+}
+