691 lines
14 KiB
C++
691 lines
14 KiB
C++
// Copyright (C) 2002-2009 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 CTRTextureVertexAlpha2 : public IBurningShader
|
|
{
|
|
public:
|
|
|
|
//! constructor
|
|
CTRTextureVertexAlpha2(CBurningVideoDriver* driver);
|
|
|
|
//! draws an indexed triangle list
|
|
virtual void drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c );
|
|
|
|
|
|
private:
|
|
void scanline_bilinear ();
|
|
sScanConvertData scan;
|
|
sScanLineData line;
|
|
|
|
};
|
|
|
|
//! constructor
|
|
CTRTextureVertexAlpha2::CTRTextureVertexAlpha2(CBurningVideoDriver* driver)
|
|
: IBurningShader(driver)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("CTRTextureVertexAlpha2");
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
*/
|
|
void CTRTextureVertexAlpha2::scanline_bilinear ( )
|
|
{
|
|
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;
|
|
#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 = (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 * 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
|
|
|
|
|
|
#ifdef INVERSE_W
|
|
f32 inversew;
|
|
#endif
|
|
|
|
//#define __TEST_THIS
|
|
|
|
#ifdef __TEST_THIS
|
|
|
|
#else
|
|
tFixPoint tx0;
|
|
tFixPoint ty0;
|
|
|
|
tFixPoint r0, g0, b0;
|
|
tFixPoint r1, g1, b1;
|
|
tFixPoint r2, g2, b2;
|
|
#endif
|
|
|
|
|
|
#ifdef IPOL_C0
|
|
tFixPoint a3;
|
|
#endif
|
|
|
|
|
|
for ( s32 i = 0; i <= dx; ++i )
|
|
{
|
|
#ifdef CMP_Z
|
|
if ( line.z[0] < z[i] )
|
|
#endif
|
|
#ifdef CMP_W
|
|
if ( line.w[0] >= z[i] )
|
|
#endif
|
|
|
|
{
|
|
#ifdef __TEST_THIS
|
|
|
|
inversew = fix_inverse32 ( line.w[0] );
|
|
|
|
dst[i] = PixelAdd32 (
|
|
dst[i],
|
|
getTexel_plain ( &IT[0], tofix ( line.t[0][0].x,inversew),
|
|
tofix ( line.t[0][0].y,inversew) )
|
|
);
|
|
|
|
#else
|
|
|
|
#ifdef INVERSE_W
|
|
inversew = fix_inverse32 ( line.w[0] );
|
|
|
|
tx0 = tofix ( line.t[0][0].x,inversew);
|
|
ty0 = tofix ( line.t[0][0].y,inversew);
|
|
|
|
#ifdef IPOL_C0
|
|
a3 = tofix ( line.c[0][0].y,inversew );
|
|
#endif
|
|
|
|
#else
|
|
tx0 = tofix ( line.t[0][0].x );
|
|
ty0 = tofix ( line.t[0][0].y );
|
|
|
|
#ifdef IPOL_C0
|
|
a3 = tofix ( line.c[0][0].y );
|
|
#endif
|
|
|
|
|
|
#endif
|
|
|
|
getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 );
|
|
color_to_fix ( r1, g1, b1, dst[i] );
|
|
|
|
#ifdef IPOL_C0
|
|
r2 = clampfix_maxcolor ( r1 + imulFix ( r0, a3 ) );
|
|
g2 = clampfix_maxcolor ( g1 + imulFix ( g0, a3 ) );
|
|
b2 = clampfix_maxcolor ( b1 + imulFix ( b0, a3 ) );
|
|
#else
|
|
r2 = clampfix_maxcolor ( r1 + r0 );
|
|
g2 = clampfix_maxcolor ( g1 + g0 );
|
|
b2 = clampfix_maxcolor ( b1 + b0 );
|
|
#endif
|
|
|
|
dst[i] = fix_to_color ( r2, g2, b2 );
|
|
|
|
#ifdef WRITE_Z
|
|
z[i] = line.z[0];
|
|
#endif
|
|
#ifdef WRITE_W
|
|
z[i] = line.w[0];
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
#ifdef IPOL_Z
|
|
line.z[0] += slopeZ;
|
|
#endif
|
|
#ifdef IPOL_W
|
|
line.w[0] += slopeW;
|
|
#endif
|
|
#ifdef IPOL_C0
|
|
line.c[0][0] += slopeC;
|
|
#endif
|
|
#ifdef IPOL_T0
|
|
line.t[0][0] += slopeT[0];
|
|
#endif
|
|
#ifdef IPOL_T1
|
|
line.t[1][0] += slopeT[1];
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
void CTRTextureVertexAlpha2::drawTriangle ( const s4DVertex *a,const s4DVertex *b,const s4DVertex *c )
|
|
{
|
|
// 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
|
|
scanline_bilinear ();
|
|
|
|
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
|
|
scanline_bilinear ();
|
|
|
|
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* createTriangleRendererTextureVertexAlpha2(CBurningVideoDriver* driver)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
|
|
return new CTRTextureVertexAlpha2(driver);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
|
|
}
|
|
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
|
|
|