From f9158592e1478b2013afc7041d9ed041cf2d2f4a Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 13 Jan 2014 19:47:58 +1000
Subject: Update Irrlicht to 1.8.1.  Include actual change markers this time. 
 lol

---
 .../source/Irrlicht/CTRTextureBlend.cpp            | 2385 ++++++++++++++++++++
 1 file changed, 2385 insertions(+)
 create mode 100644 libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.cpp

(limited to 'libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.cpp')

diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.cpp
new file mode 100644
index 0000000..82372e8
--- /dev/null
+++ b/libraries/irrlicht-1.8.1/source/Irrlicht/CTRTextureBlend.cpp
@@ -0,0 +1,2385 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "IrrCompileConfig.h"
+#include "IBurningShader.h"
+
+#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
+
+// compile flag for this file
+#undef USE_ZBUFFER
+#undef IPOL_Z
+#undef CMP_Z
+#undef WRITE_Z
+
+#undef IPOL_W
+#undef CMP_W
+#undef WRITE_W
+
+#undef SUBTEXEL
+#undef INVERSE_W
+
+#undef IPOL_C0
+#undef IPOL_T0
+#undef IPOL_T1
+
+// define render case
+#define SUBTEXEL
+#define INVERSE_W
+
+#define USE_ZBUFFER
+#define IPOL_W
+#define CMP_W
+#define WRITE_W
+
+#define IPOL_C0
+#define IPOL_T0
+//#define IPOL_T1
+
+// apply global override
+#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
+	#undef INVERSE_W
+#endif
+
+#ifndef SOFTWARE_DRIVER_2_SUBTEXEL
+	#undef SUBTEXEL
+#endif
+
+#ifndef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR
+	#undef IPOL_C0
+#endif
+
+#if !defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) && defined ( USE_ZBUFFER )
+	#ifndef SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT
+		#undef IPOL_W
+	#endif
+	#define IPOL_Z
+
+	#ifdef CMP_W
+		#undef CMP_W
+		#define CMP_Z
+	#endif
+
+	#ifdef WRITE_W
+		#undef WRITE_W
+		#define WRITE_Z
+	#endif
+
+#endif
+
+
+
+namespace irr
+{
+
+namespace video
+{
+
+class CTRTextureBlend : public IBurningShader
+{
+public:
+
+	//! constructor
+	CTRTextureBlend(CBurningVideoDriver* driver);
+
+	//! draws an indexed triangle list
+	virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c );
+
+	virtual void setZCompareFunc ( u32 func);
+	virtual void setParam ( u32 index, f32 value);
+
+
+private:
+	// fragment shader
+	typedef void (CTRTextureBlend::*tFragmentShader) ();
+	void fragment_dst_color_zero ();
+	void fragment_dst_color_one ();
+	void fragment_dst_color_src_alpha ();
+	void fragment_dst_color_one_minus_dst_alpha ();
+	void fragment_zero_one_minus_scr_color ();
+	void fragment_src_color_src_alpha ();
+	void fragment_one_one_minus_src_alpha ();
+	void fragment_one_minus_dst_alpha_one();
+	void fragment_src_alpha_one();
+
+	tFragmentShader fragmentShader;
+	sScanConvertData scan;
+	sScanLineData line;
+
+	u32 ZCompare;
+};
+
+//! constructor
+CTRTextureBlend::CTRTextureBlend(CBurningVideoDriver* driver)
+: IBurningShader(driver)
+{
+	#ifdef _DEBUG
+	setDebugName("CTRTextureBlend");
+	#endif
+
+	ZCompare = 1;
+}
+
+/*!
+*/
+void CTRTextureBlend::setZCompareFunc ( u32 func)
+{
+	ZCompare = func;
+}
+
+/*!
+*/
+void CTRTextureBlend::setParam ( u32 index, f32 value)
+{
+	u8 showname = 0;
+
+	E_BLEND_FACTOR srcFact,dstFact;
+	E_MODULATE_FUNC modulate;
+	u32 alphaSrc;
+	unpack_textureBlendFunc ( srcFact, dstFact, modulate, alphaSrc, value );
+
+	fragmentShader = 0;
+
+	if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ZERO )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_dst_color_zero;
+	}
+	else
+	if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ONE )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_dst_color_one;
+	}
+	else
+	if ( srcFact == EBF_DST_COLOR && dstFact == EBF_SRC_ALPHA)
+	{
+		fragmentShader = &CTRTextureBlend::fragment_dst_color_src_alpha;
+	}
+	else
+	if ( srcFact == EBF_DST_COLOR && dstFact == EBF_ONE_MINUS_DST_ALPHA)
+	{
+		fragmentShader = &CTRTextureBlend::fragment_dst_color_one_minus_dst_alpha;
+	}
+	else
+	if ( srcFact == EBF_ZERO && dstFact == EBF_ONE_MINUS_SRC_COLOR )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_zero_one_minus_scr_color;
+	}
+	else
+	if ( srcFact == EBF_ONE && dstFact == EBF_ONE_MINUS_SRC_ALPHA)
+	{
+		fragmentShader = &CTRTextureBlend::fragment_one_one_minus_src_alpha;
+	}
+	else
+	if ( srcFact == EBF_ONE_MINUS_DST_ALPHA && dstFact == EBF_ONE )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_one_minus_dst_alpha_one;
+	}
+	else
+	if ( srcFact == EBF_SRC_ALPHA && dstFact == EBF_ONE )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_src_alpha_one;
+	}
+	else
+	if ( srcFact == EBF_SRC_COLOR && dstFact == EBF_SRC_ALPHA )
+	{
+		fragmentShader = &CTRTextureBlend::fragment_src_color_src_alpha;
+	}
+	else
+	{
+		showname = 1;
+		fragmentShader = &CTRTextureBlend::fragment_dst_color_zero;
+	}
+
+	static const c8 *n[] = 
+	{ 
+		"gl_zero",
+		"gl_one",
+		"gl_dst_color",
+		"gl_one_minus_dst_color",
+		"gl_src_color",
+		"gl_one_minus_src_color",
+		"gl_src_alpha",
+		"gl_one_minus_src_alpha",
+		"gl_dst_alpha",
+		"gl_one_minus_dst_alpha",
+		"gl_src_alpha_saturate"
+	};
+
+	static E_BLEND_FACTOR lsrcFact = EBF_ZERO;
+	static E_BLEND_FACTOR ldstFact = EBF_ZERO;
+
+	if ( showname && ( lsrcFact != srcFact || ldstFact != dstFact ) )
+	{
+		char buf[128];
+		snprintf ( buf, 128, "missing shader: %s %s",n[srcFact], n[dstFact] );
+		os::Printer::log( buf, ELL_INFORMATION );
+
+		lsrcFact = srcFact;
+		ldstFact = dstFact;
+	}
+
+}
+
+
+/*!
+*/
+void CTRTextureBlend::fragment_dst_color_src_alpha ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = 	FIX_POINT_F32_MUL;
+
+	tFixPoint a0, r0, g0, b0;
+	tFixPoint     r1, g1, b1;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0,r0,g0,b0, 
+							&IT[0],
+							tofix ( line.t[0][0].x,iw),
+							tofix ( line.t[0][0].y,iw)
+						);
+	
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
+							);
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0,r0,g0,b0, 
+							&IT[0],
+							tofix ( line.t[0][0].x,iw),
+							tofix ( line.t[0][0].y,iw)
+						);
+	
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
+							);
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_src_color_src_alpha ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = 	FIX_POINT_F32_MUL;
+
+	tFixPoint a0, r0, g0, b0;
+	tFixPoint     r1, g1, b1;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0, r0, g0, b0, &IT[0],	tofix ( line.t[0][0].x,iw),	tofix ( line.t[0][0].y,iw) );
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+//		u32 check = imulFix_tex1( r0, r1 );
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex1( r0, r1 ) + imulFix_tex1( r1, a0 ) ),
+								clampfix_maxcolor ( imulFix_tex1( g0, g1 ) + imulFix_tex1( g1, a0 ) ),
+								clampfix_maxcolor ( imulFix_tex1( b0, b1 ) + imulFix_tex1( b1, a0 ) )
+							);
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0,r0,g0,b0, 
+							&IT[0],
+							tofix ( line.t[0][0].x,iw),
+							tofix ( line.t[0][0].y,iw)
+						);
+	
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex2 ( r0, r1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( g0, g1 ) ),
+								clampfix_maxcolor ( imulFix_tex2 ( b0, b1 ) )
+							);
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_one_one_minus_src_alpha()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint a0,r0, g0, b0;
+	tFixPoint	 r1, g1, b1;
+	tFixPoint	 r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		a0 = FIX_POINT_ONE - a0;
+
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( r0 + imulFix ( r1, a0 ), r2 ),
+								imulFix ( g0 + imulFix ( g1, a0 ), g2 ),
+								imulFix ( b0 + imulFix ( b1, a0 ), b2 )
+							);
+#else
+		dst[i] = fix_to_color ( r0 + imulFix ( r1, a0 ),
+								g0 + imulFix ( g1, a0 ),
+								b0 + imulFix ( b1, a0 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		a0 = FIX_POINT_ONE - a0;
+
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( r0 + imulFix ( r1, a0 ), r2 ),
+								imulFix ( g0 + imulFix ( g1, a0 ), g2 ),
+								imulFix ( b0 + imulFix ( b1, a0 ), b2 )
+							);
+#else
+		dst[i] = fix_to_color ( r0 + imulFix ( r1, a0 ),
+								g0 + imulFix ( g1, a0 ),
+								b0 + imulFix ( b1, a0 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_one_minus_dst_alpha_one ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint r0, g0, b0;
+	tFixPoint a1, r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( a1, r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		a1 = FIX_POINT_ONE - a1;
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r0, a1 ) + r1, r2 ),
+								imulFix ( imulFix ( g0, a1 ) + g1, g2 ),
+								imulFix ( imulFix ( b0, a1 ) + b1, b2 )
+							);
+#else
+		dst[i] = fix_to_color ( imulFix ( r0, a1) + r0,
+								imulFix ( g0, a1) + g0,
+								imulFix ( b0, a1) + b0
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( a1, r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		a1 = FIX_POINT_ONE - a1;
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r0, a1 ) + r1, r2 ),
+								imulFix ( imulFix ( g0, a1 ) + g1, g2 ),
+								imulFix ( imulFix ( b0, a1 ) + b1, b2 )
+							);
+#else
+		dst[i] = fix_to_color ( imulFix ( r0, a1) + r0,
+								imulFix ( g0, a1) + g0,
+								imulFix ( b0, a1) + b0
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_src_alpha_one ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint a0, r0, g0, b0;
+	tFixPoint r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		if ( a0 > 0 )
+		{
+		a0 >>= 8;
+
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix4_to_color ( a0,
+								 clampfix_maxcolor ( imulFix (r0,a0 ) + r1),
+								 clampfix_maxcolor ( imulFix (g0,a0 ) + g1),
+								 clampfix_maxcolor ( imulFix (b0,a0 ) + b1)
+								);
+
+/*
+		a0 >>= 8;
+		dst[i] = fix4_to_color ( a0,
+								imulFix ( imulFix ( r0, a0 ) + r1, r2 ),
+								imulFix ( imulFix ( g0, a0 ) + g1, g2 ),
+								imulFix ( imulFix ( b0, a0 ) + b1, b2 )
+							);
+*/
+#else
+		dst[i] = fix4_to_color ( a0,
+								 clampfix_maxcolor ( imulFix (r0,a0 ) + r1 ),
+								 clampfix_maxcolor ( imulFix (g0,a0 ) + g1 ),
+								 clampfix_maxcolor ( imulFix (b0,a0 ) + b1 )
+								);
+
+#endif
+
+#ifdef WRITE_W
+			//z[i] = line.w[0];
+#endif
+		}
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+		{
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( a0, r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		if ( a0 > 0 )
+		{
+		a0 >>= 8;
+
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix4_to_color ( a0,
+								 clampfix_maxcolor ( imulFix ( imulFix (r0,a0 ) + r1, r2 ) ),
+								 clampfix_maxcolor ( imulFix ( imulFix (g0,a0 ) + g1, g2 ) ),
+								 clampfix_maxcolor ( imulFix ( imulFix (b0,a0 ) + b1, b2 ) )
+								);
+
+/*
+		a0 >>= 8;
+		dst[i] = fix4_to_color ( a0,
+								imulFix ( imulFix ( r0, a0 ) + r1, r2 ),
+								imulFix ( imulFix ( g0, a0 ) + g1, g2 ),
+								imulFix ( imulFix ( b0, a0 ) + b1, b2 )
+							);
+*/
+#else
+		dst[i] = fix4_to_color ( a0,
+								 clampfix_maxcolor ( imulFix (r0,a0 ) + r1 ),
+								 clampfix_maxcolor ( imulFix (g0,a0 ) + g1 ),
+								 clampfix_maxcolor ( imulFix (b0,a0 ) + b1 )
+								);
+
+#endif
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+		}
+		}
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+
+/*!
+*/
+void CTRTextureBlend::fragment_dst_color_one_minus_dst_alpha ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint r0, g0, b0;
+	tFixPoint a1, r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( a1, r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		a1 = FIX_POINT_ONE - a1;
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r1, r0 + a1 ), r2 ),
+								imulFix ( imulFix ( g1, g0 + a1 ), g2 ),
+								imulFix ( imulFix ( b1, b0 + a1 ), b2 )
+							);
+#else
+		dst[i] = fix_to_color ( imulFix ( r1, r0 + a1 ),
+								imulFix ( g1, g0 + a1 ),
+								imulFix ( b1, b0 + a1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( a1, r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		a1 = FIX_POINT_ONE - a1;
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r1, r0 + a1 ), r2 ),
+								imulFix ( imulFix ( g1, g0 + a1 ), g2 ),
+								imulFix ( imulFix ( b1, b0 + a1 ), b2 )
+							);
+#else
+		dst[i] = fix_to_color ( imulFix ( r1, r0 + a1 ),
+								imulFix ( g1, g0 + a1 ),
+								imulFix ( b1, b0 + a1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_dst_color_zero ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint r0, g0, b0;
+	tFixPoint r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r0, r1 ), r2 ),
+								imulFix ( imulFix ( g0, g1 ), g2 ),
+								imulFix ( imulFix ( b0, b1 ), b2 ) );
+#else
+		dst[i] = fix_to_color ( imulFix ( r0, r1 ),
+								imulFix ( g0, g1 ),
+								imulFix ( b0, b1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( imulFix ( r0, r1 ), r2 ),
+								imulFix ( imulFix ( g0, g1 ), g2 ),
+								imulFix ( imulFix ( b0, b1 ), b2 )
+							);
+#else
+		dst[i] = fix_to_color ( imulFix ( r0, r1 ),
+								imulFix ( g0, g1 ),
+								imulFix ( b0, b1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_dst_color_one ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint r0, g0, b0;
+	tFixPoint r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix ( r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
+							);
+
+#else
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix ( r1, g1, b1, dst[i] );
+
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
+							);
+
+#else
+		dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex1 ( r0, r1 ) + r1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( g0, g1 ) + g1 ),
+								clampfix_maxcolor ( imulFix_tex1 ( b0, b1 ) + b1 )
+							);
+
+#endif
+
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+/*!
+*/
+void CTRTextureBlend::fragment_zero_one_minus_scr_color ()
+{
+	tVideoSample *dst;
+
+#ifdef USE_ZBUFFER
+	fp24 *z;
+#endif
+
+	s32 xStart;
+	s32 xEnd;
+	s32 dx;
+
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+#ifdef IPOL_Z
+	f32 slopeZ;
+#endif
+#ifdef IPOL_W
+	fp24 slopeW;
+#endif
+#ifdef IPOL_C0
+	sVec4 slopeC[MATERIAL_MAX_COLORS];
+#endif
+#ifdef IPOL_T0
+	sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES];
+#endif
+
+	// apply top-left fill-convention, left
+	xStart = core::ceil32( line.x[0] );
+	xEnd = core::ceil32( line.x[1] ) - 1;
+
+	dx = xEnd - xStart;
+
+	if ( dx < 0 )
+		return;
+
+	// slopes
+	const f32 invDeltaX = core::reciprocal_approxim ( line.x[1] - line.x[0] );
+
+#ifdef IPOL_Z
+	slopeZ = (line.z[1] - line.z[0]) * invDeltaX;
+#endif
+#ifdef IPOL_W
+	slopeW = (line.w[1] - line.w[0]) * invDeltaX;
+#endif
+#ifdef IPOL_C0
+	slopeC[0] = (line.c[0][1] - line.c[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T0
+	slopeT[0] = (line.t[0][1] - line.t[0][0]) * invDeltaX;
+#endif
+#ifdef IPOL_T1
+	slopeT[1] = (line.t[1][1] - line.t[1][0]) * invDeltaX;
+#endif
+
+#ifdef SUBTEXEL
+	subPixel = ( (f32) xStart ) - line.x[0];
+#ifdef IPOL_Z
+	line.z[0] += slopeZ * subPixel;
+#endif
+#ifdef IPOL_W
+	line.w[0] += slopeW * subPixel;
+#endif
+#ifdef IPOL_C0
+	line.c[0][0] += slopeC[0] * subPixel;
+#endif
+#ifdef IPOL_T0
+	line.t[0][0] += slopeT[0] * subPixel;
+#endif
+#ifdef IPOL_T1
+	line.t[1][0] += slopeT[1] * subPixel;
+#endif
+#endif
+
+	dst = (tVideoSample*)RenderTarget->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+
+#ifdef USE_ZBUFFER
+	z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
+#endif
+
+
+	f32 iw = FIX_POINT_F32_MUL;
+
+	tFixPoint r0, g0, b0;
+	tFixPoint r1, g1, b1;
+	tFixPoint r2, g2, b2;
+
+	s32 i;
+
+	switch ( ZCompare )
+	{
+	case 1:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] >= z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( FIX_POINT_ONE - r0, r1 ),
+								imulFix ( FIX_POINT_ONE - g0, g1 ),
+								imulFix ( FIX_POINT_ONE - b0, b1 )
+							);
+
+#else
+		dst[i] = fix_to_color ( imulFix ( FIX_POINT_ONE - r0, r1 ),
+								imulFix ( FIX_POINT_ONE - g0, g1 ),
+								imulFix ( FIX_POINT_ONE - b0, b1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}
+	break;
+
+	case 2:
+	for ( i = 0; i <= dx; ++i )
+	{
+#ifdef CMP_W
+		if ( line.w[0] == z[i] )
+#endif
+
+		{
+
+#ifdef WRITE_W
+			z[i] = line.w[0];
+#endif
+
+#ifdef INVERSE_W
+		iw = fix_inverse32 ( line.w[0] );
+#endif
+		getSample_texture ( r0, g0, b0, IT + 0, tofix ( line.t[0][0].x,iw),tofix ( line.t[0][0].y,iw) );
+		color_to_fix1 ( r1, g1, b1, dst[i] );
+#ifdef IPOL_C0
+		getSample_color ( r2, g2, b2, line.c[0][0],iw );
+
+		dst[i] = fix_to_color ( imulFix ( FIX_POINT_ONE - r0, r1 ),
+								imulFix ( FIX_POINT_ONE - g0, g1 ),
+								imulFix ( FIX_POINT_ONE - b0, b1 )
+							);
+
+#else
+		dst[i] = fix_to_color ( imulFix ( FIX_POINT_ONE - r0, r1 ),
+								imulFix ( FIX_POINT_ONE - g0, g1 ),
+								imulFix ( FIX_POINT_ONE - b0, b1 )
+							);
+
+#endif
+
+		}
+
+#ifdef IPOL_W
+		line.w[0] += slopeW;
+#endif
+#ifdef IPOL_T0
+		line.t[0][0] += slopeT[0];
+#endif
+#ifdef IPOL_C0
+		line.c[0][0] += slopeC[0];
+#endif
+	}break;
+	} // zcompare
+
+}
+
+
+
+void CTRTextureBlend::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c )
+{
+	if ( 0 == fragmentShader )
+		return;
+
+	// sort on height, y
+	if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
+	if ( F32_A_GREATER_B ( b->Pos.y , c->Pos.y ) ) swapVertexPointer(&b, &c);
+	if ( F32_A_GREATER_B ( a->Pos.y , b->Pos.y ) ) swapVertexPointer(&a, &b);
+
+	const f32 ca = c->Pos.y - a->Pos.y;
+	const f32 ba = b->Pos.y - a->Pos.y;
+	const f32 cb = c->Pos.y - b->Pos.y;
+	// calculate delta y of the edges
+	scan.invDeltaY[0] = core::reciprocal( ca );
+	scan.invDeltaY[1] = core::reciprocal( ba );
+	scan.invDeltaY[2] = core::reciprocal( cb );
+
+	if ( F32_LOWER_EQUAL_0 ( scan.invDeltaY[0] ) )
+		return;
+
+	// find if the major edge is left or right aligned
+	f32 temp[4];
+
+	temp[0] = a->Pos.x - c->Pos.x;
+	temp[1] = -ca;
+	temp[2] = b->Pos.x - a->Pos.x;
+	temp[3] = ba;
+
+	scan.left = ( temp[0] * temp[3] - temp[1] * temp[2] ) > 0.f ? 0 : 1;
+	scan.right = 1 - scan.left;
+
+	// calculate slopes for the major edge
+	scan.slopeX[0] = (c->Pos.x - a->Pos.x) * scan.invDeltaY[0];
+	scan.x[0] = a->Pos.x;
+
+#ifdef IPOL_Z
+	scan.slopeZ[0] = (c->Pos.z - a->Pos.z) * scan.invDeltaY[0];
+	scan.z[0] = a->Pos.z;
+#endif
+
+#ifdef IPOL_W
+	scan.slopeW[0] = (c->Pos.w - a->Pos.w) * scan.invDeltaY[0];
+	scan.w[0] = a->Pos.w;
+#endif
+
+#ifdef IPOL_C0
+	scan.slopeC[0][0] = (c->Color[0] - a->Color[0]) * scan.invDeltaY[0];
+	scan.c[0][0] = a->Color[0];
+#endif
+
+#ifdef IPOL_T0
+	scan.slopeT[0][0] = (c->Tex[0] - a->Tex[0]) * scan.invDeltaY[0];
+	scan.t[0][0] = a->Tex[0];
+#endif
+
+#ifdef IPOL_T1
+	scan.slopeT[1][0] = (c->Tex[1] - a->Tex[1]) * scan.invDeltaY[0];
+	scan.t[1][0] = a->Tex[1];
+#endif
+
+	// top left fill convention y run
+	s32 yStart;
+	s32 yEnd;
+
+#ifdef SUBTEXEL
+	f32 subPixel;
+#endif
+
+	// rasterize upper sub-triangle
+	if ( (f32) 0.0 != scan.invDeltaY[1]  )
+	{
+		// calculate slopes for top edge
+		scan.slopeX[1] = (b->Pos.x - a->Pos.x) * scan.invDeltaY[1];
+		scan.x[1] = a->Pos.x;
+
+#ifdef IPOL_Z
+		scan.slopeZ[1] = (b->Pos.z - a->Pos.z) * scan.invDeltaY[1];
+		scan.z[1] = a->Pos.z;
+#endif
+
+#ifdef IPOL_W
+		scan.slopeW[1] = (b->Pos.w - a->Pos.w) * scan.invDeltaY[1];
+		scan.w[1] = a->Pos.w;
+#endif
+
+#ifdef IPOL_C0
+		scan.slopeC[0][1] = (b->Color[0] - a->Color[0]) * scan.invDeltaY[1];
+		scan.c[0][1] = a->Color[0];
+#endif
+
+#ifdef IPOL_T0
+		scan.slopeT[0][1] = (b->Tex[0] - a->Tex[0]) * scan.invDeltaY[1];
+		scan.t[0][1] = a->Tex[0];
+#endif
+
+#ifdef IPOL_T1
+		scan.slopeT[1][1] = (b->Tex[1] - a->Tex[1]) * scan.invDeltaY[1];
+		scan.t[1][1] = a->Tex[1];
+#endif
+
+		// apply top-left fill convention, top part
+		yStart = core::ceil32( a->Pos.y );
+		yEnd = core::ceil32( b->Pos.y ) - 1;
+
+#ifdef SUBTEXEL
+		subPixel = ( (f32) yStart ) - a->Pos.y;
+
+		// correct to pixel center
+		scan.x[0] += scan.slopeX[0] * subPixel;
+		scan.x[1] += scan.slopeX[1] * subPixel;		
+
+#ifdef IPOL_Z
+		scan.z[0] += scan.slopeZ[0] * subPixel;
+		scan.z[1] += scan.slopeZ[1] * subPixel;		
+#endif
+
+#ifdef IPOL_W
+		scan.w[0] += scan.slopeW[0] * subPixel;
+		scan.w[1] += scan.slopeW[1] * subPixel;		
+#endif
+
+#ifdef IPOL_C0
+		scan.c[0][0] += scan.slopeC[0][0] * subPixel;
+		scan.c[0][1] += scan.slopeC[0][1] * subPixel;		
+#endif
+
+#ifdef IPOL_T0
+		scan.t[0][0] += scan.slopeT[0][0] * subPixel;
+		scan.t[0][1] += scan.slopeT[0][1] * subPixel;		
+#endif
+
+#ifdef IPOL_T1
+		scan.t[1][0] += scan.slopeT[1][0] * subPixel;
+		scan.t[1][1] += scan.slopeT[1][1] * subPixel;		
+#endif
+
+#endif
+
+		// rasterize the edge scanlines
+		for( line.y = yStart; line.y <= yEnd; ++line.y)
+		{
+			line.x[scan.left] = scan.x[0];
+			line.x[scan.right] = scan.x[1];
+
+#ifdef IPOL_Z
+			line.z[scan.left] = scan.z[0];
+			line.z[scan.right] = scan.z[1];
+#endif
+
+#ifdef IPOL_W
+			line.w[scan.left] = scan.w[0];
+			line.w[scan.right] = scan.w[1];
+#endif
+
+#ifdef IPOL_C0
+			line.c[0][scan.left] = scan.c[0][0];
+			line.c[0][scan.right] = scan.c[0][1];
+#endif
+
+#ifdef IPOL_T0
+			line.t[0][scan.left] = scan.t[0][0];
+			line.t[0][scan.right] = scan.t[0][1];
+#endif
+
+#ifdef IPOL_T1
+			line.t[1][scan.left] = scan.t[1][0];
+			line.t[1][scan.right] = scan.t[1][1];
+#endif
+
+			// render a scanline
+			(this->*fragmentShader) ();
+
+			scan.x[0] += scan.slopeX[0];
+			scan.x[1] += scan.slopeX[1];
+
+#ifdef IPOL_Z
+			scan.z[0] += scan.slopeZ[0];
+			scan.z[1] += scan.slopeZ[1];
+#endif
+
+#ifdef IPOL_W
+			scan.w[0] += scan.slopeW[0];
+			scan.w[1] += scan.slopeW[1];
+#endif
+
+#ifdef IPOL_C0
+			scan.c[0][0] += scan.slopeC[0][0];
+			scan.c[0][1] += scan.slopeC[0][1];
+#endif
+
+#ifdef IPOL_T0
+			scan.t[0][0] += scan.slopeT[0][0];
+			scan.t[0][1] += scan.slopeT[0][1];
+#endif
+
+#ifdef IPOL_T1
+			scan.t[1][0] += scan.slopeT[1][0];
+			scan.t[1][1] += scan.slopeT[1][1];
+#endif
+
+		}
+	}
+
+	// rasterize lower sub-triangle
+	if ( (f32) 0.0 != scan.invDeltaY[2] )
+	{
+		// advance to middle point
+		if( (f32) 0.0 != scan.invDeltaY[1] )
+		{
+			temp[0] = b->Pos.y - a->Pos.y;	// dy
+
+			scan.x[0] = a->Pos.x + scan.slopeX[0] * temp[0];
+#ifdef IPOL_Z
+			scan.z[0] = a->Pos.z + scan.slopeZ[0] * temp[0];
+#endif
+#ifdef IPOL_W
+			scan.w[0] = a->Pos.w + scan.slopeW[0] * temp[0];
+#endif
+#ifdef IPOL_C0
+			scan.c[0][0] = a->Color[0] + scan.slopeC[0][0] * temp[0];
+#endif
+#ifdef IPOL_T0
+			scan.t[0][0] = a->Tex[0] + scan.slopeT[0][0] * temp[0];
+#endif
+#ifdef IPOL_T1
+			scan.t[1][0] = a->Tex[1] + scan.slopeT[1][0] * temp[0];
+#endif
+
+		}
+
+		// calculate slopes for bottom edge
+		scan.slopeX[1] = (c->Pos.x - b->Pos.x) * scan.invDeltaY[2];
+		scan.x[1] = b->Pos.x;
+
+#ifdef IPOL_Z
+		scan.slopeZ[1] = (c->Pos.z - b->Pos.z) * scan.invDeltaY[2];
+		scan.z[1] = b->Pos.z;
+#endif
+
+#ifdef IPOL_W
+		scan.slopeW[1] = (c->Pos.w - b->Pos.w) * scan.invDeltaY[2];
+		scan.w[1] = b->Pos.w;
+#endif
+
+#ifdef IPOL_C0
+		scan.slopeC[0][1] = (c->Color[0] - b->Color[0]) * scan.invDeltaY[2];
+		scan.c[0][1] = b->Color[0];
+#endif
+
+#ifdef IPOL_T0
+		scan.slopeT[0][1] = (c->Tex[0] - b->Tex[0]) * scan.invDeltaY[2];
+		scan.t[0][1] = b->Tex[0];
+#endif
+
+#ifdef IPOL_T1
+		scan.slopeT[1][1] = (c->Tex[1] - b->Tex[1]) * scan.invDeltaY[2];
+		scan.t[1][1] = b->Tex[1];
+#endif
+
+		// apply top-left fill convention, top part
+		yStart = core::ceil32( b->Pos.y );
+		yEnd = core::ceil32( c->Pos.y ) - 1;
+
+#ifdef SUBTEXEL
+
+		subPixel = ( (f32) yStart ) - b->Pos.y;
+
+		// correct to pixel center
+		scan.x[0] += scan.slopeX[0] * subPixel;
+		scan.x[1] += scan.slopeX[1] * subPixel;		
+
+#ifdef IPOL_Z
+		scan.z[0] += scan.slopeZ[0] * subPixel;
+		scan.z[1] += scan.slopeZ[1] * subPixel;		
+#endif
+
+#ifdef IPOL_W
+		scan.w[0] += scan.slopeW[0] * subPixel;
+		scan.w[1] += scan.slopeW[1] * subPixel;		
+#endif
+
+#ifdef IPOL_C0
+		scan.c[0][0] += scan.slopeC[0][0] * subPixel;
+		scan.c[0][1] += scan.slopeC[0][1] * subPixel;		
+#endif
+
+#ifdef IPOL_T0
+		scan.t[0][0] += scan.slopeT[0][0] * subPixel;
+		scan.t[0][1] += scan.slopeT[0][1] * subPixel;		
+#endif
+
+#ifdef IPOL_T1
+		scan.t[1][0] += scan.slopeT[1][0] * subPixel;
+		scan.t[1][1] += scan.slopeT[1][1] * subPixel;		
+#endif
+
+#endif
+
+		// rasterize the edge scanlines
+		for( line.y = yStart; line.y <= yEnd; ++line.y)
+		{
+			line.x[scan.left] = scan.x[0];
+			line.x[scan.right] = scan.x[1];
+
+#ifdef IPOL_Z
+			line.z[scan.left] = scan.z[0];
+			line.z[scan.right] = scan.z[1];
+#endif
+
+#ifdef IPOL_W
+			line.w[scan.left] = scan.w[0];
+			line.w[scan.right] = scan.w[1];
+#endif
+
+#ifdef IPOL_C0
+			line.c[0][scan.left] = scan.c[0][0];
+			line.c[0][scan.right] = scan.c[0][1];
+#endif
+
+#ifdef IPOL_T0
+			line.t[0][scan.left] = scan.t[0][0];
+			line.t[0][scan.right] = scan.t[0][1];
+#endif
+
+#ifdef IPOL_T1
+			line.t[1][scan.left] = scan.t[1][0];
+			line.t[1][scan.right] = scan.t[1][1];
+#endif
+
+			// render a scanline
+			(this->*fragmentShader) ();
+
+			scan.x[0] += scan.slopeX[0];
+			scan.x[1] += scan.slopeX[1];
+
+#ifdef IPOL_Z
+			scan.z[0] += scan.slopeZ[0];
+			scan.z[1] += scan.slopeZ[1];
+#endif
+
+#ifdef IPOL_W
+			scan.w[0] += scan.slopeW[0];
+			scan.w[1] += scan.slopeW[1];
+#endif
+
+#ifdef IPOL_C0
+			scan.c[0][0] += scan.slopeC[0][0];
+			scan.c[0][1] += scan.slopeC[0][1];
+#endif
+
+#ifdef IPOL_T0
+			scan.t[0][0] += scan.slopeT[0][0];
+			scan.t[0][1] += scan.slopeT[0][1];
+#endif
+
+#ifdef IPOL_T1
+			scan.t[1][0] += scan.slopeT[1][0];
+			scan.t[1][1] += scan.slopeT[1][1];
+#endif
+
+		}
+	}
+
+}
+
+
+
+} // end namespace video
+} // end namespace irr
+
+#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
+
+namespace irr
+{
+namespace video
+{
+
+//! creates a flat triangle renderer
+IBurningShader* createTRTextureBlend(CBurningVideoDriver* driver)
+{
+	#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
+	return new CTRTextureBlend(driver);
+	#else
+	return 0;
+	#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
+}
+
+
+} // end namespace video
+} // end namespace irr
+
+
-- 
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