No more matrix ops in UI code.

12 files changed, 249 insertions, 141 deletions

diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index 1de1d6ded4..129f3e7999 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -151,14 +151,16 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
 		}
 	}
 
-	gGL.pushMatrix();
-	glLoadIdentity();
-	gGL.translatef(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
+	gGL.pushUIMatrix();
+
+	gGL.loadUIIdentity();
+	
+	gGL.translateUI(floorf(sCurOrigin.mX*sScaleX), floorf(sCurOrigin.mY*sScaleY), sCurOrigin.mZ);
 
 	// this code snaps the text origin to a pixel grid to start with
 	F32 pixel_offset_x = llround((F32)sCurOrigin.mX) - (sCurOrigin.mX);
 	F32 pixel_offset_y = llround((F32)sCurOrigin.mY) - (sCurOrigin.mY);
-	gGL.translatef(-pixel_offset_x, -pixel_offset_y, 0.f);
+	gGL.translateUI(-pixel_offset_x, -pixel_offset_y, 0.f);
 
 	LLFastTimer t(FTM_RENDER_FONTS);
 
@@ -246,9 +248,6 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
 	}
 
 
-	// Remember last-used texture to avoid unnecesssary bind calls.
-	LLImageGL *last_bound_texture = NULL;
-
 	for (i = begin_offset; i < begin_offset + length; i++)
 	{
 		llwchar wch = wstr[i];
@@ -261,12 +260,8 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
 		}
 		// Per-glyph bitmap texture.
 		LLImageGL *image_gl = mFontFreetype->getFontBitmapCache()->getImageGL(fgi->mBitmapNum);
-		if (last_bound_texture != image_gl)
-		{
-			gGL.getTexUnit(0)->bind(image_gl);
-			last_bound_texture = image_gl;
-		}
-
+		gGL.getTexUnit(0)->bind(image_gl);
+	
 		if ((start_x + scaled_max_pixels) < (cur_x + fgi->mXBearing + fgi->mWidth))
 		{
 			// Not enough room for this character.
@@ -330,10 +325,7 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
 		
 		// recursively render ellipses at end of string
 		// we've already reserved enough room
-		gGL.pushMatrix();
-		//glLoadIdentity();
-		//gGL.translatef(sCurOrigin.mX, sCurOrigin.mY, 0.0f);
-		//glScalef(sScaleX, sScaleY, 1.f);
+		gGL.pushUIMatrix();
 		renderUTF8(std::string("..."), 
 				0,
 				cur_x / sScaleX, (F32)y,
@@ -344,10 +336,10 @@ S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, cons
 				S32_MAX, max_pixels,
 				right_x,
 				FALSE); 
-		gGL.popMatrix();
+		gGL.popUIMatrix();
 	}
 
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 
 	return chars_drawn;
 }
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index f97d81126e..cde60b7e25 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -49,6 +49,9 @@ F64 gGLLastProjection[16];
 F64 gGLProjection[16];
 S32	gGLViewport[4];
 
+U32 LLRender::sUICalls = 0;
+U32 LLRender::sUIVerts = 0;
+
 static const U32 LL_NUM_TEXTURE_LAYERS = 16; 
 
 static GLenum sGLTextureType[] =
@@ -255,10 +258,9 @@ bool LLTexUnit::bind(LLImageGL* texture, bool for_rendering, bool forceBind)
 		return false ;
 	}
 
-	gGL.flush();
-
 	if ((mCurrTexture != texture->getTexName()) || forceBind)
 	{
+		gGL.flush();
 		activate();
 		enable(texture->getTarget());
 		mCurrTexture = texture->getTexName();
@@ -445,6 +447,8 @@ void LLTexUnit::setTextureBlendType(eTextureBlendType type)
 		return;
 	}
 
+	gGL.flush();
+
 	activate();
 	mCurrBlendType = type;
 	S32 scale_amount = 1;
@@ -756,6 +760,7 @@ LLRender::LLRender()
 
 	mCurrAlphaFunc = CF_DEFAULT;
 	mCurrAlphaFuncVal = 0.01f;
+	mCurrSceneBlendType = BT_ALPHA;
 }
 
 LLRender::~LLRender()
@@ -818,6 +823,80 @@ void LLRender::popMatrix()
 	glPopMatrix();
 }
 
+void LLRender::translateUI(F32 x, F32 y, F32 z)
+{
+	if (mUIOffset.empty())
+	{
+		llerrs << "Need to push a UI translation frame before offsetting" << llendl;
+	}
+
+	mUIOffset.front().mV[0] += x;
+	mUIOffset.front().mV[1] += y;
+	mUIOffset.front().mV[2] += z;
+}
+
+void LLRender::scaleUI(F32 x, F32 y, F32 z)
+{
+	if (mUIScale.empty())
+	{
+		llerrs << "Need to push a UI transformation frame before scaling." << llendl;
+	}
+
+	mUIScale.front().scaleVec(LLVector3(x,y,z));
+}
+
+void LLRender::pushUIMatrix()
+{
+	mUIOffset.push_front(mUIOffset.front());
+	if (mUIScale.empty())
+	{
+		mUIScale.push_front(LLVector3(1,1,1));
+	}
+	else
+	{
+		mUIScale.push_front(mUIScale.front());
+	}
+}
+
+void LLRender::popUIMatrix()
+{
+	if (mUIOffset.empty())
+	{
+		llerrs << "UI offset stack blown." << llendl;
+	}
+	mUIOffset.pop_front();
+	mUIScale.pop_front();
+}
+
+LLVector3 LLRender::getUITranslation()
+{
+	if (mUIOffset.empty())
+	{
+		llerrs << "UI offset stack empty." << llendl;
+	}
+	return mUIOffset.front();
+}
+
+LLVector3 LLRender::getUIScale()
+{
+	if (mUIScale.empty())
+	{
+		llerrs << "UI scale stack empty." << llendl;
+	}
+	return mUIScale.front();
+}
+
+
+void LLRender::loadUIIdentity()
+{
+	if (mUIOffset.empty())
+	{
+		llerrs << "Need to push UI translation frame before clearing offset." << llendl;
+	}
+	mUIOffset.front().setVec(0,0,0);
+	mUIScale.front().setVec(1,1,1);
+}
+
 void LLRender::setColorMask(bool writeColor, bool writeAlpha)
 {
 	setColorMask(writeColor, writeColor, writeColor, writeAlpha);
@@ -840,6 +919,11 @@ void LLRender::setColorMask(bool writeColorR, bool writeColorG, bool writeColorB
 
 void LLRender::setSceneBlendType(eBlendType type)
 {
+	if (mCurrSceneBlendType == type)
+	{
+		return;
+	}
+
 	flush();
 	switch (type) 
 	{
@@ -868,6 +952,7 @@ void LLRender::setSceneBlendType(eBlendType type)
 			llerrs << "Unknown Scene Blend Type: " << type << llendl;
 			break;
 	}
+	mCurrSceneBlendType = type;
 }
 
 void LLRender::setAlphaRejectSettings(eCompareFunc func, F32 value)
@@ -1009,6 +1094,12 @@ void LLRender::flush()
 		}
 #endif
 				
+		if (!mUIOffset.empty())
+		{
+			sUICalls++;
+			sUIVerts += mCount;
+		}
+
 		mBuffer->setBuffer(immediate_mask);
 		mBuffer->drawArrays(mMode, 0, mCount);
 		
@@ -1028,7 +1119,16 @@ void LLRender::vertex3f(const GLfloat& x, const GLfloat& y, const GLfloat& z)
 		return;
 	}
 
-	mVerticesp[mCount] = LLVector3(x,y,z);
+	if (mUIOffset.empty())
+	{
+		mVerticesp[mCount] = LLVector3(x,y,z);
+	}
+	else
+	{
+		LLVector3 vert = (LLVector3(x,y,z)+mUIOffset.front()).scaledVec(mUIScale.front());
+		mVerticesp[mCount] = vert;
+	}
+
 	mCount++;
 	if (mCount < 4096)
 	{
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 0121a190ee..6e38fac67b 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -286,6 +286,14 @@ public:
 	void pushMatrix();
 	void popMatrix();
 
+	void translateUI(F32 x, F32 y, F32 z);
+	void scaleUI(F32 x, F32 y, F32 z);
+	void pushUIMatrix();
+	void popUIMatrix();
+	void loadUIIdentity();
+	LLVector3 getUITranslation();
+	LLVector3 getUIScale();
+
 	void flush();
 
 	void begin(const GLuint& mode);
@@ -333,7 +341,9 @@ public:
 	};
 
 public:
-
+	static U32 sUICalls;
+	static U32 sUIVerts;
+	
 private:
 	bool				mDirty;
 	U32				mCount;
@@ -350,7 +360,13 @@ private:
 	std::vector<LLTexUnit*>		mTexUnits;
 	LLTexUnit*			mDummyTexUnit;
 
+	U32				mCurrSceneBlendType;
+
 	F32				mMaxAnisotropy;
+
+	std::list<LLVector3> mUIOffset;
+	std::list<LLVector3> mUIScale;
+
 };
 
 extern F64 gGLModelView[16];
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 6be76605fd..f11bc2173c 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -402,15 +402,15 @@ void LLTabContainer::draw()
 		if( mIsVertical && has_scroll_arrows )
 		{
 			// Redraw the arrows so that they appears on top.
-			gGL.pushMatrix();
-			gGL.translatef((F32)mPrevArrowBtn->getRect().mLeft, (F32)mPrevArrowBtn->getRect().mBottom, 0.f);
+			gGL.pushUIMatrix();
+			gGL.translateUI((F32)mPrevArrowBtn->getRect().mLeft, (F32)mPrevArrowBtn->getRect().mBottom, 0.f);
 			mPrevArrowBtn->draw();
-			gGL.popMatrix();
+			gGL.popUIMatrix();
 
-			gGL.pushMatrix();
-			gGL.translatef((F32)mNextArrowBtn->getRect().mLeft, (F32)mNextArrowBtn->getRect().mBottom, 0.f);
+			gGL.pushUIMatrix();
+			gGL.translateUI((F32)mNextArrowBtn->getRect().mLeft, (F32)mNextArrowBtn->getRect().mBottom, 0.f);
 			mNextArrowBtn->draw();
-			gGL.popMatrix();
+			gGL.popUIMatrix();
 		}
 	}
 
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index d0ed3b6fca..0e2e8bf8ed 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -39,6 +39,7 @@
 
 // Linden library includes
 #include "v2math.h"
+#include "m3math.h"
 #include "v4color.h"
 #include "llrender.h"
 #include "llrect.h"
@@ -180,19 +181,19 @@ void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, const LL
 
 void gl_rect_2d_offset_local( S32 left, S32 top, S32 right, S32 bottom, S32 pixel_offset, BOOL filled)
 {
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	left += LLFontGL::sCurOrigin.mX;
 	right += LLFontGL::sCurOrigin.mX;
 	bottom += LLFontGL::sCurOrigin.mY;
 	top += LLFontGL::sCurOrigin.mY;
 
-	glLoadIdentity();
+	gGL.loadUIIdentity();
 	gl_rect_2d(llfloor((F32)left * LLUI::sGLScaleFactor.mV[VX]) - pixel_offset,
 				llfloor((F32)top * LLUI::sGLScaleFactor.mV[VY]) + pixel_offset,
 				llfloor((F32)right * LLUI::sGLScaleFactor.mV[VX]) + pixel_offset,
 				llfloor((F32)bottom * LLUI::sGLScaleFactor.mV[VY]) - pixel_offset,
 				filled);
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 
@@ -508,9 +509,9 @@ void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTex
 		gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_ALPHA, LLTexUnit::TBS_VERT_ALPHA);
 	}
 
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	{
-		gGL.translatef((F32)x, (F32)y, 0.f);
+		gGL.translateUI((F32)x, (F32)y, 0.f);
 
 		gGL.getTexUnit(0)->bind(image);
 
@@ -637,7 +638,7 @@ void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTex
 		}
 		gGL.end();
 	}
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 
 	if (solid_color)
 	{
@@ -660,39 +661,72 @@ void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degre
 
 	LLGLSUIDefault gls_ui;
 
-	gGL.pushMatrix();
+
+	gGL.getTexUnit(0)->bind(image);
+
+	gGL.color4fv(color.mV);
+
+	if (degrees == 0.f)
 	{
-		gGL.translatef((F32)x, (F32)y, 0.f);
-		if( degrees )
+		gGL.pushUIMatrix();
+		gGL.translateUI((F32)x, (F32)y, 0.f);
+			
+		gGL.begin(LLRender::QUADS);
 		{
-			F32 offset_x = F32(width/2);
-			F32 offset_y = F32(height/2);
-			gGL.translatef( offset_x, offset_y, 0.f);
-			glRotatef( degrees, 0.f, 0.f, 1.f );
-			gGL.translatef( -offset_x, -offset_y, 0.f );
+			gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop);
+			gGL.vertex2i(width, height );
+
+			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop);
+			gGL.vertex2i(0, height );
+
+			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom);
+			gGL.vertex2i(0, 0);
+
+			gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom);
+			gGL.vertex2i(width, 0);
 		}
+		gGL.end();
+		gGL.popUIMatrix();
+	}
+	else
+	{
+		gGL.pushUIMatrix();
+		gGL.translateUI((F32)x, (F32)y, 0.f);
+	
+		F32 offset_x = F32(width/2);
+		F32 offset_y = F32(height/2);
+
+		gGL.translateUI(offset_x, offset_y, 0.f);
 
+		LLMatrix3 quat(0.f, 0.f, degrees*DEG_TO_RAD);
+		
 		gGL.getTexUnit(0)->bind(image);
 
 		gGL.color4fv(color.mV);
 		
 		gGL.begin(LLRender::QUADS);
 		{
+			LLVector3 v;
+
+			v = LLVector3(offset_x, offset_y, 0.f) * quat;
 			gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop);
-			gGL.vertex2i(width, height );
+			gGL.vertex2i(v.mV[0], v.mV[1] );
 
+			v = LLVector3(-offset_x, offset_y, 0.f) * quat;
 			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop);
-			gGL.vertex2i(0, height );
+			gGL.vertex2i(v.mV[0], v.mV[1] );
 
+			v = LLVector3(-offset_x, -offset_y, 0.f) * quat;
 			gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom);
-			gGL.vertex2i(0, 0);
+			gGL.vertex2i(v.mV[0], v.mV[1] );
 
+			v = LLVector3(offset_x, -offset_y, 0.f) * quat;
 			gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom);
-			gGL.vertex2i(width, 0);
+			gGL.vertex2i(v.mV[0], v.mV[1] );
 		}
 		gGL.end();
+		gGL.popUIMatrix();
 	}
-	gGL.popMatrix();
 }
 
 
@@ -747,9 +781,9 @@ void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F
 		end_angle += F_TWO_PI;
 	}
 
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	{
-		gGL.translatef(center_x, center_y, 0.f);
+		gGL.translateUI(center_x, center_y, 0.f);
 
 		// Inexact, but reasonably fast.
 		F32 delta = (end_angle - start_angle) / steps;
@@ -780,15 +814,15 @@ void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F
 		}
 		gGL.end();
 	}
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 void gl_circle_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled)
 {
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	{
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-		gGL.translatef(center_x, center_y, 0.f);
+		gGL.translateUI(center_x, center_y, 0.f);
 
 		// Inexact, but reasonably fast.
 		F32 delta = F_TWO_PI / steps;
@@ -819,7 +853,7 @@ void gl_circle_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled
 		}
 		gGL.end();
 	}
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 // Renders a ring with sides (tube shape)
@@ -846,9 +880,9 @@ void gl_deep_circle( F32 radius, F32 depth, S32 steps )
 
 void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color, S32 steps, BOOL render_center )
 {
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	{
-		gGL.translatef(0.f, 0.f, -width / 2);
+		gGL.translateUI(0.f, 0.f, -width / 2);
 		if( render_center )
 		{
 			gGL.color4fv(center_color.mV);
@@ -857,11 +891,11 @@ void gl_ring( F32 radius, F32 width, const LLColor4& center_color, const LLColor
 		else
 		{
 			gl_washer_2d(radius, radius - width, steps, side_color, side_color);
-			gGL.translatef(0.f, 0.f, width);
+			gGL.translateUI(0.f, 0.f, width);
 			gl_washer_2d(radius - width, radius, steps, side_color, side_color);
 		}
 	}
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 // Draw gray and white checkerboard with black border
@@ -1050,9 +1084,9 @@ void gl_segmented_rect_2d_tex(const S32 left,
 	S32 width = llabs(right - left);
 	S32 height = llabs(top - bottom);
 
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 
-	gGL.translatef((F32)left, (F32)bottom, 0.f);
+	gGL.translateUI((F32)left, (F32)bottom, 0.f);
 	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
 
 	if (border_uv_scale.mV[VX] > 0.5f)
@@ -1193,7 +1227,7 @@ void gl_segmented_rect_2d_tex(const S32 left,
 	}
 	gGL.end();
 
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 void gl_segmented_rect_2d_fragment_tex(const S32 left, 
@@ -1210,9 +1244,9 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 	S32 width = llabs(right - left);
 	S32 height = llabs(top - bottom);
 
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 
-	gGL.translatef((F32)left, (F32)bottom, 0.f);
+	gGL.translateUI((F32)left, (F32)bottom, 0.f);
 	LLVector2 border_uv_scale((F32)border_size / (F32)texture_width, (F32)border_size / (F32)texture_height);
 
 	if (border_uv_scale.mV[VX] > 0.5f)
@@ -1383,7 +1417,7 @@ void gl_segmented_rect_2d_fragment_tex(const S32 left,
 	}
 	gGL.end();
 
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 }
 
 void gl_segmented_rect_3d_tex(const LLVector2& border_scale, const LLVector3& border_width, 
@@ -1591,7 +1625,7 @@ void LLUI::dirtyRect(LLRect rect)
 //static
 void LLUI::translate(F32 x, F32 y, F32 z)
 {
-	gGL.translatef(x,y,z);
+	gGL.translateUI(x,y,z);
 	LLFontGL::sCurOrigin.mX += (S32) x;
 	LLFontGL::sCurOrigin.mY += (S32) y;
 	LLFontGL::sCurOrigin.mZ += z;
@@ -1600,14 +1634,14 @@ void LLUI::translate(F32 x, F32 y, F32 z)
 //static
 void LLUI::pushMatrix()
 {
-	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	LLFontGL::sOriginStack.push_back(LLFontGL::sCurOrigin);
 }
 
 //static
 void LLUI::popMatrix()
 {
-	gGL.popMatrix();
+	gGL.popUIMatrix();
 	LLFontGL::sCurOrigin = *LLFontGL::sOriginStack.rbegin();
 	LLFontGL::sOriginStack.pop_back();
 }
@@ -1615,7 +1649,7 @@ void LLUI::popMatrix()
 //static 
 void LLUI::loadIdentity()
 {
-	glLoadIdentity();
+	gGL.loadUIIdentity(); 
 	LLFontGL::sCurOrigin.mX = 0;
 	LLFontGL::sCurOrigin.mY = 0;
 	LLFontGL::sCurOrigin.mZ = 0;
diff --git a/indra/llui/llviewborder.cpp b/indra/llui/llviewborder.cpp
index 30717f87de..bd9c43c97f 100644
--- a/indra/llui/llviewborder.cpp
+++ b/indra/llui/llviewborder.cpp
@@ -125,14 +125,6 @@ void LLViewBorder::draw()
 			llassert( FALSE );  // not implemented
 		}
 	}
-	else
-	if( STYLE_TEXTURE == mStyle )
-	{
-		if( mTexture )
-		{
-			drawTextures();
-		}
-	}
 
 	LLView::draw();
 }
@@ -255,56 +247,6 @@ void LLViewBorder::drawTwoPixelLines()
 	gl_line_2d(left+1, bottom+1, right-1, bottom+1);
 }
 
-void LLViewBorder::drawTextures()
-{
-	//LLGLSUIDefault gls_ui;
-
-	//llassert( FALSE );  // TODO: finish implementing
-
-	//gGL.color4fv(UI_VERTEX_COLOR.mV);
-
-	//gGL.getTexUnit(0)->bind(mTexture);
-	//gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_WRAP);
-
-	//drawTextureTrapezoid(   0.f, mBorderWidth, getRect().getWidth(),  0,					0 );
-	//drawTextureTrapezoid(  90.f, mBorderWidth, getRect().getHeight(), (F32)getRect().getWidth(),0 );
-	//drawTextureTrapezoid( 180.f, mBorderWidth, getRect().getWidth(),  (F32)getRect().getWidth(),(F32)getRect().getHeight() );
-	//drawTextureTrapezoid( 270.f, mBorderWidth, getRect().getHeight(), 0,					(F32)getRect().getHeight() );
-}
-
-
-void LLViewBorder::drawTextureTrapezoid( F32 degrees, S32 width, S32 length, F32 start_x, F32 start_y )
-{
-	gGL.pushMatrix();
-	{
-		gGL.translatef(start_x, start_y, 0.f);
-		glRotatef( degrees, 0, 0, 1 );
-
-		gGL.begin(LLRender::QUADS);
-		{
-			//      width, width   /---------\ length-width, width		//
-			//	   			      /           \							//
-			//				     /			   \						//
-			//				    /---------------\						//
-			//    			0,0					  length, 0				//
-
-			gGL.texCoord2f( 0, 0 );
-			gGL.vertex2i( 0, 0 );
-
-			gGL.texCoord2f( (GLfloat)length, 0 );
-			gGL.vertex2i( length, 0 );
-
-			gGL.texCoord2f( (GLfloat)(length - width), (GLfloat)width );
-			gGL.vertex2i( length - width, width );
-
-			gGL.texCoord2f( (GLfloat)width, (GLfloat)width );
-			gGL.vertex2i( width, width );
-		}
-		gGL.end();
-	}
-	gGL.popMatrix();
-}
-
 BOOL LLViewBorder::getBevelFromAttribute(LLXMLNodePtr node, LLViewBorder::EBevel& bevel_style)
 {
 	if (node->hasAttribute("bevel_style"))
diff --git a/indra/llui/llviewborder.h b/indra/llui/llviewborder.h
index 92fd569325..342e84fd93 100644
--- a/indra/llui/llviewborder.h
+++ b/indra/llui/llviewborder.h
@@ -99,8 +99,7 @@ private:
 	void		drawOnePixelLines();
 	void		drawTwoPixelLines();
 	void		drawTextures();
-	void		drawTextureTrapezoid( F32 degrees, S32 width, S32 length, F32 start_x, F32 start_y );
-
+	
 	EBevel		mBevel;
 	EStyle		mStyle;
 	LLUIColor	mHighlightLight;
diff --git a/indra/newview/llhudrender.cpp b/indra/newview/llhudrender.cpp
index a02dc3355b..325c9c260c 100644
--- a/indra/newview/llhudrender.cpp
+++ b/indra/newview/llhudrender.cpp
@@ -121,24 +121,24 @@ void hud_render_text(const LLWString &wstr, const LLVector3 &pos_agent,
 	glMatrixMode(GL_PROJECTION);
 	glPushMatrix();
 	glMatrixMode(GL_MODELVIEW);
-	
+	gGL.pushMatrix();
 	LLUI::pushMatrix();
 		
 	gl_state_for_2d(world_view_rect.getWidth(), world_view_rect.getHeight());
 	gViewerWindow->setup3DViewport();
-	//gViewerWindow->setup2DRender();
-
+	
 	winX -= world_view_rect.mLeft;
 	winY -= world_view_rect.mBottom;
 	LLUI::loadIdentity();
+	glLoadIdentity();
 	LLUI::translate((F32) winX*1.0f/LLFontGL::sScaleX, (F32) winY*1.0f/(LLFontGL::sScaleY), -(((F32) winZ*2.f)-1.f));
-	//glRotatef(angle * RAD_TO_DEG, axis.mV[VX], axis.mV[VY], axis.mV[VZ]);
-	//glScalef(right_scale, up_scale, 1.f);
 	F32 right_x;
 	
 	font.render(wstr, 0, 0, 0, color, LLFontGL::LEFT, LLFontGL::BASELINE, style, shadow, wstr.length(), 1000, &right_x);
+
 	LLUI::popMatrix();
-	
+	gGL.popMatrix();
+
 	glMatrixMode(GL_PROJECTION);
 	glPopMatrix();
 	glMatrixMode(GL_MODELVIEW);
diff --git a/indra/newview/llhudtext.cpp b/indra/newview/llhudtext.cpp
index 8ad94b957d..8d1d27444b 100644
--- a/indra/newview/llhudtext.cpp
+++ b/indra/newview/llhudtext.cpp
@@ -555,7 +555,7 @@ void LLHUDText::renderText(BOOL for_select)
 		}
 	}
 	/// Reset the default color to white.  The renderer expects this to be the default. 
-	glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
+	gGL.color4f(1.0f, 1.0f, 1.0f, 1.0f);
 	if (for_select)
 	{
 		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
diff --git a/indra/newview/llmediactrl.cpp b/indra/newview/llmediactrl.cpp
index d464862eed..6fd6958d2e 100644
--- a/indra/newview/llmediactrl.cpp
+++ b/indra/newview/llmediactrl.cpp
@@ -724,14 +724,14 @@ void LLMediaCtrl::draw()
 		LLGLSUIDefault gls_ui;
 		LLGLDisable gls_alphaTest( GL_ALPHA_TEST );
 
-		gGL.pushMatrix();
+		gGL.pushUIMatrix();
 		{
 			if (mIgnoreUIScale)
 			{
-				glLoadIdentity();
+				gGL.loadUIIdentity();
 				// font system stores true screen origin, need to scale this by UI scale factor
 				// to get render origin for this view (with unit scale)
-				gGL.translatef(floorf(LLFontGL::sCurOrigin.mX * LLUI::sGLScaleFactor.mV[VX]), 
+				gGL.translateUI(floorf(LLFontGL::sCurOrigin.mX * LLUI::sGLScaleFactor.mV[VX]), 
 							floorf(LLFontGL::sCurOrigin.mY * LLUI::sGLScaleFactor.mV[VY]), 
 							LLFontGL::sCurOrigin.mZ);
 			}
@@ -825,7 +825,7 @@ void LLMediaCtrl::draw()
 			gGL.end();
 			gGL.setSceneBlendType(LLRender::BT_ALPHA);
 		}
-		gGL.popMatrix();
+		gGL.popUIMatrix();
 	
 	}
 	else
diff --git a/indra/newview/llnetmap.cpp b/indra/newview/llnetmap.cpp
index 234fe13217..05623198ab 100644
--- a/indra/newview/llnetmap.cpp
+++ b/indra/newview/llnetmap.cpp
@@ -153,6 +153,18 @@ void LLNetMap::draw()
 	// Prepare a scissor region
 	F32 rotation = 0;
 
+	gGL.pushMatrix();
+	gGL.pushUIMatrix();
+	
+	LLVector3 offset = gGL.getUITranslation();
+	LLVector3 scale = gGL.getUIScale();
+
+	glLoadIdentity();
+	gGL.loadUIIdentity();
+
+	glScalef(scale.mV[0], scale.mV[1], scale.mV[2]);
+	gGL.translatef(offset.mV[0], offset.mV[1], offset.mV[2]);
+	
 	{
 		LLLocalClipRect clip(getLocalRect());
 		{
@@ -435,6 +447,9 @@ void LLNetMap::draw()
 		}
 	}
 	
+	gGL.popMatrix();
+	gGL.popUIMatrix();
+
 	LLUICtrl::draw();
 }
 
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index de4317b2de..f6227c2dd6 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -476,6 +476,10 @@ public:
 			}
             ypos += y_inc;
 
+			addText(xpos, ypos, llformat("UI Verts/Calls: %d/%d", LLRender::sUIVerts, LLRender::sUICalls));
+			LLRender::sUICalls = LLRender::sUIVerts = 0;
+			ypos += y_inc;
+
 			addText(xpos,ypos, llformat("%d/%d Nodes visible", gPipeline.mNumVisibleNodes, LLSpatialGroup::sNodeCount));
 			
 			ypos += y_inc;
@@ -1843,12 +1847,15 @@ void LLViewerWindow::drawDebugText()
 {
 	gGL.color4f(1,1,1,1);
 	gGL.pushMatrix();
+	gGL.pushUIMatrix();
 	{
 		// scale view by UI global scale factor and aspect ratio correction factor
-		glScalef(mDisplayScale.mV[VX], mDisplayScale.mV[VY], 1.f);
+		gGL.scaleUI(mDisplayScale.mV[VX], mDisplayScale.mV[VY], 1.f);
 		mDebugText->draw();
 	}
+	gGL.popUIMatrix();
 	gGL.popMatrix();
+
 	gGL.flush();
 }
 
@@ -1896,9 +1903,11 @@ void LLViewerWindow::draw()
 	// No translation needed, this view is glued to 0,0
 
 	gGL.pushMatrix();
+	LLUI::pushMatrix();
 	{
+		
 		// scale view by UI global scale factor and aspect ratio correction factor
-		glScalef(mDisplayScale.mV[VX], mDisplayScale.mV[VY], 1.f);
+		gGL.scaleUI(mDisplayScale.mV[VX], mDisplayScale.mV[VY], 1.f);
 
 		LLVector2 old_scale_factor = LLUI::sGLScaleFactor;
 		// apply camera zoom transform (for high res screenshots)
@@ -1964,6 +1973,7 @@ void LLViewerWindow::draw()
 
 		LLUI::sGLScaleFactor = old_scale_factor;
 	}
+	LLUI::popMatrix();
 	gGL.popMatrix();
 
 #if LL_DEBUG