From 58afe469f9d29aea0d3d974ac112725ddbaa3a19 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 12 Mar 2010 13:01:50 -0600
Subject: Bizarrely hacky fix for EXT-6276 (#if LL_DARWIN out
 copyFromPrimarySubstring) General gl state cleanup in llui. Make llrender
 more gGL.begin/end friendly.

---
 indra/llrender/llrender.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 9acfb6b0a8..26282b0ee3 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -121,6 +121,8 @@ void LLTexUnit::refreshState(void)
 	// We set dirty to true so that the tex unit knows to ignore caching
 	// and we reset the cached tex unit state
 
+	gGL.flush();
+	
 	glActiveTextureARB(GL_TEXTURE0_ARB + mIndex);
 	if (mCurrTexType != TT_NONE)
 	{
@@ -182,6 +184,7 @@ void LLTexUnit::disable(void)
 	{
 		activate();
 		unbind(mCurrTexType);
+		gGL.flush();
 		glDisable(sGLTextureType[mCurrTexType]);
 		mCurrTexType = TT_NONE;
 	}
@@ -717,6 +720,7 @@ void LLTexUnit::setColorScale(S32 scale)
 	if (mCurrColorScale != scale || gGL.mDirty)
 	{
 		mCurrColorScale = scale;
+		gGL.flush();
 		glTexEnvi( GL_TEXTURE_ENV, GL_RGB_SCALE, scale );
 	}
 }
@@ -726,6 +730,7 @@ void LLTexUnit::setAlphaScale(S32 scale)
 	if (mCurrAlphaScale != scale || gGL.mDirty)
 	{
 		mCurrAlphaScale = scale;
+		gGL.flush();
 		glTexEnvi( GL_TEXTURE_ENV, GL_ALPHA_SCALE, scale );
 	}
 }
@@ -1113,6 +1118,33 @@ void LLRender::flush()
 			sUICalls++;
 			sUIVerts += mCount;
 		}
+		
+		if (gDebugGL)
+		{
+			if (mMode == LLRender::QUADS)
+			{
+				if (mCount%4 != 0)
+				{
+					llerrs << "Incomplete quad rendered." << llendl;
+				}
+			}
+			
+			if (mMode == LLRender::TRIANGLES)
+			{
+				if (mCount%3 != 0)
+				{
+					llerrs << "Incomplete triangle rendered." << llendl;
+				}
+			}
+			
+			if (mMode == LLRender::LINES)
+			{
+				if (mCount%2 != 0)
+				{
+					llerrs << "Incomplete line rendered." << llendl;
+				}
+			}
+		}
 
 		mBuffer->setBuffer(immediate_mask);
 		mBuffer->drawArrays(mMode, 0, mCount);
-- 
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