/*!
*/
void CTRTextureGouraud2::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
tFixPoint tx0;
tFixPoint ty0;
tFixPoint r0, g0, b0;
#ifdef IPOL_C0
tFixPoint r1, g1, b1;
#endif
#ifdef BURNINGVIDEO_RENDERER_FAST
u32 dIndex = ( line.y & 3 ) << 2;
#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 WRITE_Z
z[i] = line.z[0];
#endif
#ifdef WRITE_W
z[i] = line.w[0];
#endif
#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
r1 = tofix ( line.c[0][0].y ,inversew );
g1 = tofix ( line.c[0][0].z ,inversew );
b1 = tofix ( line.c[0][0].w ,inversew );
#endif
#else
tx0 = tofix ( line.t[0][0].x );
ty0 = tofix ( line.t[0][0].y );
#ifdef IPOL_C0
getTexel_plain2 ( r1, g1, b1, line.c[0][0] );
#endif
#endif
#ifdef IPOL_C0
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
dst[i] = fix_to_color ( imulFix ( r0, r1 ),
imulFix ( g0, g1 ),
imulFix ( b0, b1 )
);
#else
#ifdef BURNINGVIDEO_RENDERER_FAST
const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
dst[i] = getTexel_plain ( &IT[0], d + tx0, d + ty0 );
#else
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
dst[i] = fix_to_color ( r0, g0, b0 );
#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
}
}
/*!
*/
REALINLINE void CTRTextureLightMap2_Add::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 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#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[1] - line.c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (line.t0[1] - line.t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (line.t1[1] - line.t1[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] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( line.y * SurfaceWidth ) + xStart;
#ifdef USE_ZBUFFER
z = lockedZBuffer + ( line.y * SurfaceWidth ) + xStart;
#endif
#ifdef BURNINGVIDEO_RENDERER_FAST
u32 dIndex = ( line.y & 3 ) << 2;
#else
//
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
#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 WRITE_Z
z[i] = line.z[0];
#endif
#ifdef WRITE_W
z[i] = line.w[0];
#endif
#ifdef BURNINGVIDEO_RENDERER_FAST
#ifdef INVERSE_W
const f32 inversew = fix_inverse32 ( line.w[0] );
const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
dst[i] = PixelAdd32 (
getTexel_plain ( &IT[0], d + f32_to_fixPoint ( line.t0[0].x,inversew),
d + f32_to_fixPoint ( line.t0[0].y,inversew) ),
getTexel_plain ( &IT[1], d + f32_to_fixPoint ( line.t1[0].x,inversew),
d + f32_to_fixPoint ( line.t1[0].y,inversew) )
);
#else
const tFixPointu d = dithermask [ dIndex | ( i ) & 3 ];
dst[i] = PixelAdd32 (
getTexel_plain ( &IT[0], d + f32_to_fixPoint ( line.t0[0].x),
d + f32_to_fixPoint ( line.t0[0].y) ),
getTexel_plain ( &IT[1], d + f32_to_fixPoint ( line.t1[0].x),
d + f32_to_fixPoint ( line.t1[0].y) )
);
#endif
#else
const f32 inversew = fix_inverse32 ( line.w[0] );
getSample_texture ( r0, g0, b0, &IT[0], f32_to_fixPoint ( line.t0[0].x,inversew), f32_to_fixPoint ( line.t0[0].y,inversew) );
getSample_texture ( r1, g1, b1, &IT[1], f32_to_fixPoint ( line.t0[1].x,inversew), f32_to_fixPoint ( line.t0[1].y,inversew) );
dst[i] = fix_to_color ( clampfix_maxcolor ( r0 + r1 ),
clampfix_maxcolor ( g0 + g1 ),
clampfix_maxcolor ( b0 + b1 )
);
#endif
}
#ifdef IPOL_Z
line.z[0] += slopeZ;
#endif
#ifdef IPOL_W
line.w[0] += slopeW;
#endif
#ifdef IPOL_C0
line.c[0] += slopeC;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1;
#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->getData() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
#ifdef USE_ZBUFFER
z = (fp24*) DepthBuffer->lock() + ( line.y * RenderTarget->getDimension().Width ) + xStart;
#endif
f32 inversew = FIX_POINT_F32_MUL;
//#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] );
#endif
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
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 CTRGouraudAlpha2::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[0];
#endif
#ifdef IPOL_T1
sVec2 slopeT[1];
#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 IPOL_C0
#ifdef INVERSE_W
f32 inversew;
#endif
tFixPoint a0;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
#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 IPOL_C0
#ifdef INVERSE_W
inversew = core::reciprocal ( line.w[0] );
getSample_color ( a0, r0, g0, b0, line.c[0][0] * inversew );
#else
getSample_color ( a0, r0, g0, b0, line.c[0][0] );
#endif
color_to_fix ( r1, g1, b1, dst[i] );
r2 = r1 + imulFix ( a0, r0 - r1 );
g2 = g1 + imulFix ( a0, g0 - g1 );
b2 = b1 + imulFix ( a0, b0 - b1 );
dst[i] = fix_to_color ( r2, g2, b2 );
#else
dst[i] = COLOR_BRIGHT_WHITE;
#endif
#ifdef WRITE_Z
z[i] = line.z[0];
#endif
#ifdef WRITE_W
z[i] = line.w[0];
#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::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 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#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[1] - line.c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (line.t0[1] - line.t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (line.t1[1] - line.t1[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] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( line.y * SurfaceWidth ) + xStart;
#ifdef USE_ZBUFFER
z = lockedZBuffer + ( line.y * SurfaceWidth ) + 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], f32_to_fixPoint ( line.t0[0].x,inversew),
f32_to_fixPoint ( line.t0[0].y,inversew) )
);
#else
#ifdef INVERSE_W
inversew = fix_inverse32 ( line.w[0] );
tx0 = f32_to_fixPoint ( line.t0[0].x,inversew);
ty0 = f32_to_fixPoint ( line.t0[0].y,inversew);
#ifdef IPOL_C0
a3 = f32_to_fixPoint ( line.c[0].y,inversew );
#endif
#else
tx0 = f32_to_fixPoint ( line.t0[0].x );
ty0 = f32_to_fixPoint ( line.t0[0].y );
#ifdef IPOL_C0
a3 = f32_to_fixPoint ( line.c[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] += slopeC;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1;
#endif
}
}
/*!
*/
void CTRTextureDetailMap2::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
tFixPoint tx0, tx1;
tFixPoint ty0, ty1;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
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 INVERSE_W
inversew = fix_inverse32 ( line.w[0] );
tx0 = tofix ( line.t[0][0].x,inversew);
ty0 = tofix ( line.t[0][0].y,inversew);
tx1 = tofix ( line.t[1][0].x,inversew);
ty1 = tofix ( line.t[1][0].y,inversew);
#else
tx0 = tofix ( line.t[0][0].x );
ty0 = tofix ( line.t[0][0].y );
tx1 = tofix ( line.t[1][0].x );
ty1 = tofix ( line.t[1][0].y );
#endif
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
getSample_texture ( r1, g1, b1, &IT[1], tx1,ty1 );
// bias half color
r1 += -FIX_POINT_HALF_COLOR;
g1 += -FIX_POINT_HALF_COLOR;
b1 += -FIX_POINT_HALF_COLOR;
r2 = clampfix_mincolor ( clampfix_maxcolor ( r0 + r1 ) );
g2 = clampfix_mincolor ( clampfix_maxcolor ( g0 + g1 ) );
b2 = clampfix_mincolor ( clampfix_maxcolor ( b0 + b1 ) );
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
}
#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 CTRTextureLightMap2_M4::scanline_bilinear ( sScanLineData * data ) const
{
tVideoSample *dst;
#ifdef USE_Z
TZBufferType2 *z;
#endif
s32 xStart;
s32 xEnd;
s32 dx;
f32 invDeltaX;
#ifdef SUBTEXEL
f32 subPixel;
#endif
#ifdef IPOL_Z
f32 slopeZ;
#endif
#ifdef IPOL_W
f32 slopeW;
#endif
#ifdef IPOL_C
sVec4 slopeC;
#endif
#ifdef IPOL_T0
sVec2 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#endif
// apply top-left fill-convention, left
xStart = irr::core::ceil32( data->x[0] );
xEnd = irr::core::ceil32( data->x[1] ) - 1;
dx = xEnd - xStart;
if ( dx < 0 )
return;
// slopes
invDeltaX = data->x[1] - data->x[0];
invDeltaX = inverse32 ( invDeltaX );
#ifdef IPOL_Z
slopeZ = (data->z[1] - data->z[0]) * invDeltaX;
#endif
#ifdef IPOL_W
slopeW = (data->w[1] - data->w[0]) * invDeltaX;
#endif
#ifdef IPOL_C
slopeC = (data->c[1] - data->c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (data->t0[1] - data->t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (data->t1[1] - data->t1[0]) * invDeltaX;
#endif
#ifdef SUBTEXEL
subPixel = ( (f32) xStart ) - data->x[0];
#ifdef IPOL_Z
data->z[0] += slopeZ * subPixel;
#endif
#ifdef IPOL_W
data->w[0] += slopeW * subPixel;
#endif
#ifdef IPOL_C
data->c[0] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( data->y * SurfaceWidth ) + xStart;
#ifdef USE_Z
z = lockedZBuffer + ( data->y * SurfaceWidth ) + xStart;
#endif
#ifdef INVERSE_W
f32 inversew;
#endif
tFixPoint tx0, tx1;
tFixPoint ty0, ty1;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
#ifdef IPOL_C
tFixPoint r3, g3, b3;
#endif
for ( s32 i = 0; i <= dx; i++ )
{
#ifdef CMP_Z
if ( data->z[0] < z[i] )
#endif
#ifdef CMP_W
if ( data->w[0] > z[i] )
#endif
{
#ifdef INVERSE_W
inversew = fix_inverse32 ( data->w[0] );
tx0 = f32_to_fixPoint ( data->t0[0].x,inversew);
ty0 = f32_to_fixPoint ( data->t0[0].y,inversew);
tx1 = f32_to_fixPoint ( data->t1[0].x,inversew);
ty1 = f32_to_fixPoint ( data->t1[0].y,inversew);
#ifdef IPOL_C
r3 = f32_to_fixPoint ( data->c[0].y ,inversew );
g3 = f32_to_fixPoint ( data->c[0].z ,inversew );
b3 = f32_to_fixPoint ( data->c[0].w ,inversew );
#endif
#else
tx0 = f32_to_fixPoint ( data->t0[0].x );
ty0 = f32_to_fixPoint ( data->t0[0].y );
tx1 = f32_to_fixPoint ( data->t1[0].x );
ty1 = f32_to_fixPoint ( data->t1[0].y );
#endif
getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 );
getSample_texture ( r1, g1, b1, &IT[1], tx1, ty1 );
#ifdef IPOL_C
r2 = imulFix ( r0, r3 );
g2 = imulFix ( g0, g3 );
b2 = imulFix ( b0, b3 );
r2 = clampfix_maxcolor ( imulFix3 ( r2, r1 ) );
g2 = clampfix_maxcolor ( imulFix3 ( g2, g1 ) );
b2 = clampfix_maxcolor ( imulFix3 ( b2, b1 ) );
/*
r2 = r3 << 8;
g2 = g3 << 8;
b2 = b3 << 8;
*/
#else
r2 = clampfix_maxcolor ( imulFix3 ( r0, r1 ) );
g2 = clampfix_maxcolor ( imulFix3 ( g0, g1 ) );
b2 = clampfix_maxcolor ( imulFix3 ( b0, b1 ) );
#endif
dst[i] = fix_to_color ( r2, g2, b2 );
#ifdef WRITE_Z
z[i] = data->z[0];
#endif
#ifdef WRITE_W
z[i] = data->w[0];
#endif
}
#ifdef IPOL_Z
data->z[0] += slopeZ;
#endif
#ifdef IPOL_W
data->w[0] += slopeW;
#endif
#ifdef IPOL_C
data->c[0] += slopeC;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1;
#endif
}
}
/*!
*/
void CTRGouraud2::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 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#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[1] - line.c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (line.t0[1] - line.t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (line.t1[1] - line.t1[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] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( line.y * SurfaceWidth ) + xStart;
#ifdef USE_ZBUFFER
z = lockedZBuffer + ( line.y * SurfaceWidth ) + xStart;
#endif
#ifdef IPOL_C0
tFixPoint r0, g0, b0;
#ifdef INVERSE_W
f32 inversew;
#endif
#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 IPOL_C0
#ifdef INVERSE_W
inversew = core::reciprocal ( line.w[0] );
getSample_color ( r0, g0, b0, line.c[0] * inversew );
#else
getSample_color ( r0, g0, b0, line.c[0] );
#endif
dst[i] = fix_to_color ( r0, g0, b0 );
#else
dst[i] = COLOR_BRIGHT_WHITE;
#endif
#ifdef WRITE_Z
z[i] = line.z[0];
#endif
#ifdef WRITE_W
z[i] = line.w[0];
#endif
}
#ifdef IPOL_Z
line.z[0] += slopeZ;
#endif
#ifdef IPOL_W
line.w[0] += slopeW;
#endif
#ifdef IPOL_C0
line.c[0] += slopeC;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1;
#endif
}
}
/*!
*/
inline void CTRTextureGouraud2::scanline_bilinear ( sScanLineData * data ) const
{
tVideoSample *dst;
#ifdef IPOL_Z
TZBufferType2 *z;
#endif
s32 xStart;
s32 xEnd;
s32 dx;
f32 invDeltaX;
#ifdef SUBTEXEL
f32 subPixel;
#endif
#ifdef IPOL_Z
f32 slopeZ;
#endif
#ifdef IPOL_W
f32 slopeW;
#endif
#ifdef IPOL_C
sVec4 slopeC;
#endif
#ifdef IPOL_T0
sVec2 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#endif
// apply top-left fill-convention, left
xStart = ceil32( data->x[0] );
xEnd = ceil32( data->x[1] ) - 1;
dx = xEnd - xStart;
if ( dx < 0 )
return;
// slopes
invDeltaX = data->x[1] - data->x[0];
invDeltaX = inverse32 ( invDeltaX );
#ifdef IPOL_Z
slopeZ = (data->z[1] - data->z[0]) * invDeltaX;
#endif
#ifdef IPOL_W
slopeW = (data->w[1] - data->w[0]) * invDeltaX;
#endif
#ifdef IPOL_C
slopeC = (data->c[1] - data->c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (data->t0[1] - data->t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (data->t1[1] - data->t1[0]) * invDeltaX;
#endif
#ifdef SUBTEXEL
subPixel = ( (f32) xStart ) - data->x[0];
#ifdef IPOL_Z
data->z[0] += slopeZ * subPixel;
#endif
#ifdef IPOL_W
data->w[0] += slopeW * subPixel;
#endif
#ifdef IPOL_C
data->c[0] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( data->y * SurfaceWidth ) + xStart;
#ifdef IPOL_Z
z = lockedZBuffer + ( data->y * SurfaceWidth ) + xStart;
#endif
#ifdef IPOL_W
f32 inversew;
#endif
tFixPoint tx0;
tFixPoint ty0;
tFixPoint r0, g0, b0;
#ifdef IPOL_C
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
#endif
for ( s32 i = 0; i <= dx; ++i )
{
#ifdef CMP_Z
if ( data->z[0] < z[i] )
#endif
{
#ifdef IPOL_W
inversew = inverse32 ( data->w[0] );
tx0 = f32_to_fixPoint ( data->t0[0].x * inversew);
ty0 = f32_to_fixPoint ( data->t0[0].y * inversew);
#ifdef IPOL_C
getSample_plain ( r1, g1, b1, data->c[0] * inversew );
#endif
#else
tx0 = f32_to_fixPoint ( data->t0[0].x );
ty0 = f32_to_fixPoint ( data->t0[0].y );
#ifdef IPOL_C
getSample_plain ( r1, g1, b1, data->c[0] );
#endif
#endif
#ifdef IPOL_C
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
r2 = imulFix ( r0, r1 );
g2 = imulFix ( g0, g1 );
b2 = imulFix ( b0, b1 );
dst[i] = fix_to_color ( r2, g2, b2 );
#else
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
dst[i] = fix_to_color ( r0, g0, b0 );
#endif
#ifdef WRITE_Z
z[i] = data->z[0];
#endif
}
#ifdef IPOL_Z
data->z[0] += slopeZ;
#endif
#ifdef IPOL_W
data->w[0] += slopeW;
#endif
#ifdef IPOL_C
data->c[0] += slopeC;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1;
#endif
}
}
/*!
*/
void CTRTextureWire2::renderLine ( const s4DVertex *a,const s4DVertex *b ) const
{
int pitch0 = RenderTarget->getDimension().Width << VIDEO_SAMPLE_GRANULARITY;
int pitch1 = RenderTarget->getDimension().Width << 2;
int aposx = (int) a->Pos.x;
int aposy = (int) a->Pos.y;
int bposx = (int) b->Pos.x;
int bposy = (int) b->Pos.y;
int dx = bposx - aposx;
int dy = bposy - aposy;
int c;
int m;
int d = 0;
int run;
tVideoSample *dst;
#ifdef USE_ZBUFFER
fp24 *z;
#endif
int xInc0 = 1 << VIDEO_SAMPLE_GRANULARITY;
int yInc0 = pitch0;
int xInc1 = 4;
int yInc1 = pitch1;
tVideoSample color;
#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR
tFixPoint r0, g0, b0;
getSample_color ( r0, g0, b0, a->Color[0] );
color = fix_to_color ( r0, g0, b0 );
#else
color = (tVideoSample) 0xFFFFFFFF;
#endif
if ( dx < 0 )
{
xInc0 = - ( 1 << VIDEO_SAMPLE_GRANULARITY);
xInc1 = -4;
dx = -dx;
}
if ( dy > dx )
{
swap_xor ( dx, dy );
swap_xor ( xInc0, yInc0 );
swap_xor ( xInc1, yInc1 );
}
if ( 0 == dx )
return;
dst = (tVideoSample*) ( (u8*) lockedSurface + ( aposy * pitch0 ) + (aposx << VIDEO_SAMPLE_GRANULARITY ) );
#ifdef USE_ZBUFFER
z = (fp24*) ( (u8*) lockedDepthBuffer + ( aposy * pitch1 ) + (aposx << 2 ) );
#endif
c = dx << 1;
m = dy << 1;
#ifdef IPOL_Z
f32 slopeZ = (b->Pos.z - a->Pos.z) / f32(dx);
f32 dataZ = a->Pos.z;
#endif
#ifdef IPOL_W
fp24 slopeW = (b->Pos.w - a->Pos.w) / f32( dx );
fp24 dataW = a->Pos.w;
#endif
run = dx;
while ( run )
{
#ifdef CMP_Z
if ( *z >= dataZ )
#endif
#ifdef CMP_W
if ( dataW >= *z )
#endif
{
#ifdef WRITE_Z
*z = dataZ;
#endif
#ifdef WRITE_W
*z = dataW;
#endif
*dst = color;
}
dst = (tVideoSample*) ( (u8*) dst + xInc0 ); // x += xInc
#ifdef IPOL_Z
z = (fp24*) ( (u8*) z + xInc1 );
#endif
#ifdef IPOL_W
z = (fp24*) ( (u8*) z + xInc1 );
#endif
d += m;
if ( d > dx )
{
dst = (tVideoSample*) ( (u8*) dst + yInc0 ); // y += yInc
#ifdef IPOL_Z
z = (fp24*) ( (u8*) z + yInc1 );
#endif
#ifdef IPOL_W
z = (fp24*) ( (u8*) z + yInc1 );
#endif
d -= c;
}
run -= 1;
#ifdef IPOL_Z
dataZ += slopeZ;
#endif
#ifdef IPOL_W
dataW += slopeW;
#endif
}
}
/*!
*/
void CTRGouraudAlpha2::scanline_bilinear ( sScanLineData * data ) const
{
tVideoSample *dst;
#ifdef USE_Z
TZBufferType2 *z;
#endif
s32 xStart;
s32 xEnd;
s32 dx;
f32 invDeltaX;
#ifdef SUBTEXEL
f32 subPixel;
#endif
#ifdef IPOL_Z
f32 slopeZ;
#endif
#ifdef IPOL_W
f32 slopeW;
#endif
#ifdef IPOL_C
sVec4 slopeC;
#endif
#ifdef IPOL_T0
sVec2 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#endif
// apply top-left fill-convention, left
xStart = irr::core::ceil32( data->x[0] );
xEnd = irr::core::ceil32( data->x[1] ) - 1;
dx = xEnd - xStart;
if ( dx < 0 )
return;
// slopes
invDeltaX = data->x[1] - data->x[0];
invDeltaX = inverse32 ( invDeltaX );
#ifdef IPOL_Z
slopeZ = (data->z[1] - data->z[0]) * invDeltaX;
#endif
#ifdef IPOL_W
slopeW = (data->w[1] - data->w[0]) * invDeltaX;
#endif
#ifdef IPOL_C
slopeC = (data->c[1] - data->c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (data->t0[1] - data->t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (data->t1[1] - data->t1[0]) * invDeltaX;
#endif
#ifdef SUBTEXEL
subPixel = ( (f32) xStart ) - data->x[0];
#ifdef IPOL_Z
data->z[0] += slopeZ * subPixel;
#endif
#ifdef IPOL_W
data->w[0] += slopeW * subPixel;
#endif
#ifdef IPOL_C
data->c[0] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( data->y * SurfaceWidth ) + xStart;
#ifdef USE_Z
z = lockedZBuffer + ( data->y * SurfaceWidth ) + xStart;
#endif
#ifdef INVERSE_W
f32 inversew;
#endif
tFixPoint a0;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
for ( s32 i = 0; i <= dx; ++i )
{
#ifdef CMP_Z
if ( data->z[0] < z[i] )
#endif
#ifdef CMP_W
if ( data->w[0] > z[i] )
#endif
{
#ifdef INVERSE_W
inversew = inverse32 ( data->w[0] );
getSample_color ( a0, r0, g0, b0, data->c[0] * inversew );
#else
getSample_color ( a0, r0, g0, b0, data->c[0] );
#endif
color_to_fix ( r1, g1, b1, dst[i] );
r2 = r1 + imulFix ( a0, r0 - r1 );
g2 = g1 + imulFix ( a0, g0 - g1 );
b2 = b1 + imulFix ( a0, b0 - b1 );
dst[i] = fix_to_color ( r2, g2, b2 );
#ifdef WRITE_Z
z[i] = data->z[0];
#endif
#ifdef WRITE_W
z[i] = data->w[0];
#endif
}
#ifdef IPOL_Z
data->z[0] += slopeZ;
#endif
#ifdef IPOL_W
data->w[0] += slopeW;
#endif
#ifdef IPOL_C
data->c[0] += slopeC;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1;
#endif
}
}
/*!
*/
void CTRTextureDetailMap2::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 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#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[1] - line.c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (line.t0[1] - line.t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (line.t1[1] - line.t1[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] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( line.y * SurfaceWidth ) + xStart;
#ifdef USE_ZBUFFER
z = lockedZBuffer + ( line.y * SurfaceWidth ) + xStart;
#endif
#ifdef INVERSE_W
f32 inversew;
#endif
tFixPoint tx0, tx1;
tFixPoint ty0, ty1;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
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 INVERSE_W
inversew = fix_inverse32 ( line.w[0] );
tx0 = f32_to_fixPoint ( line.t0[0].x,inversew);
ty0 = f32_to_fixPoint ( line.t0[0].y,inversew);
tx1 = f32_to_fixPoint ( line.t1[0].x,inversew);
ty1 = f32_to_fixPoint ( line.t1[0].y,inversew);
#else
tx0 = f32_to_fixPoint ( line.t0[0].x );
ty0 = f32_to_fixPoint ( line.t0[0].y );
tx1 = f32_to_fixPoint ( line.t1[0].x );
ty1 = f32_to_fixPoint ( line.t1[0].y );
#endif
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
getSample_texture ( r1, g1, b1, &IT[1], tx1,ty1 );
#define FIX_POINT_HALF_COLOR ( (tFixPoint) ( ((f32) COLOR_MAX / 2.f * FIX_POINT_F32_MUL ) ) )
// bias half color
r1 += -FIX_POINT_HALF_COLOR;
g1 += -FIX_POINT_HALF_COLOR;
b1 += -FIX_POINT_HALF_COLOR;
r2 = clampfix_mincolor ( clampfix_maxcolor ( r0 + r1 ) );
g2 = clampfix_mincolor ( clampfix_maxcolor ( g0 + g1 ) );
b2 = clampfix_mincolor ( clampfix_maxcolor ( b0 + b1 ) );
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
}
#ifdef IPOL_Z
line.z[0] += slopeZ;
#endif
#ifdef IPOL_W
line.w[0] += slopeW;
#endif
#ifdef IPOL_C0
line.c[0] += slopeC;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1;
#endif
}
}
/*!
*/
void CTRGTextureLightMap2_M4::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
tFixPoint tx0, tx1;
tFixPoint ty0, ty1;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
#ifdef IPOL_C0
tFixPoint r3, g3, b3;
#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 INVERSE_W
inversew = fix_inverse32 ( line.w[0] );
tx0 = tofix ( line.t[0][0].x,inversew);
ty0 = tofix ( line.t[0][0].y,inversew);
tx1 = tofix ( line.t[1][0].x,inversew);
ty1 = tofix ( line.t[1][0].y,inversew);
#ifdef IPOL_C0
r3 = tofix ( line.c[0][0].y ,inversew );
g3 = tofix ( line.c[0][0].z ,inversew );
b3 = tofix ( line.c[0][0].w ,inversew );
#endif
#else
tx0 = tofix ( line.t[0][0].x );
ty0 = tofix ( line.t[0][0].y );
tx1 = tofix ( line.t[1][0].x );
ty1 = tofix ( line.t[1][0].y );
#ifdef IPOL_C0
r3 = tofix ( line.c[0][0].y );
g3 = tofix ( line.c[0][0].z );
b3 = tofix ( line.c[0][0].w );
#endif
#endif
getSample_texture ( r0, g0, b0, &IT[0], tx0, ty0 );
getSample_texture ( r1, g1, b1, &IT[1], tx1, ty1 );
#ifdef IPOL_C0
r2 = imulFix ( r0, r3 );
g2 = imulFix ( g0, g3 );
b2 = imulFix ( b0, b3 );
r2 = clampfix_maxcolor ( imulFix_tex4 ( r2, r1 ) );
g2 = clampfix_maxcolor ( imulFix_tex4 ( g2, g1 ) );
b2 = clampfix_maxcolor ( imulFix_tex4 ( b2, b1 ) );
/*
r2 = r3 << 8;
g2 = g3 << 8;
b2 = b3 << 8;
*/
#else
r2 = clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) );
g2 = clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) );
b2 = clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) );
#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
}
#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 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;
tFixPointu 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 ( (tFixPointu&) a0, (tFixPointu&)r0, (tFixPointu&)g0, (tFixPointu&)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
}
/*!
*/
inline void CTRTextureDetailMap2::scanline_bilinear ( sScanLineData * data ) const
{
tVideoSample *dst;
#ifdef IPOL_Z
TZBufferType2 *z;
#endif
s32 xStart;
s32 xEnd;
s32 dx;
f32 invDeltaX;
#ifdef SUBTEXEL
f32 subPixel;
#endif
#ifdef IPOL_Z
f32 slopeZ;
#endif
#ifdef IPOL_W
f32 slopeW;
#endif
#ifdef IPOL_C
sVec4 slopeC;
#endif
#ifdef IPOL_T0
sVec2 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#endif
// apply top-left fill-convention, left
xStart = ceil32( data->x[0] );
xEnd = ceil32( data->x[1] ) - 1;
dx = xEnd - xStart;
if ( dx < 0 )
return;
// slopes
invDeltaX = data->x[1] - data->x[0];
invDeltaX = inverse32 ( invDeltaX );
#ifdef IPOL_Z
slopeZ = (data->z[1] - data->z[0]) * invDeltaX;
#endif
#ifdef IPOL_W
slopeW = (data->w[1] - data->w[0]) * invDeltaX;
#endif
#ifdef IPOL_C
slopeC = (data->c[1] - data->c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (data->t0[1] - data->t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (data->t1[1] - data->t1[0]) * invDeltaX;
#endif
#ifdef SUBTEXEL
subPixel = ( (f32) xStart ) - data->x[0];
#ifdef IPOL_Z
data->z[0] += slopeZ * subPixel;
#endif
#ifdef IPOL_W
data->w[0] += slopeW * subPixel;
#endif
#ifdef IPOL_C
data->c[0] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( data->y * SurfaceWidth ) + xStart;
#ifdef IPOL_Z
z = lockedZBuffer + ( data->y * SurfaceWidth ) + xStart;
#endif
#ifdef IPOL_W
f32 inversew;
#endif
tFixPoint tx0, tx1;
tFixPoint ty0, ty1;
tFixPoint r0, g0, b0;
tFixPoint r1, g1, b1;
tFixPoint r2, g2, b2;
for ( s32 i = 0; i <= dx; ++i )
{
#ifdef CMP_Z
if ( data->z[0] < z[i] )
#endif
{
#ifdef IPOL_W
inversew = inverse32 ( data->w[0] );
tx0 = f32_to_fixPoint ( data->t0[0].x * inversew);
ty0 = f32_to_fixPoint ( data->t0[0].y * inversew);
tx1 = f32_to_fixPoint ( data->t1[0].x * inversew);
ty1 = f32_to_fixPoint ( data->t1[0].y * inversew);
#else
tx0 = f32_to_fixPoint ( data->t0[0].x );
ty0 = f32_to_fixPoint ( data->t0[0].y );
tx1 = f32_to_fixPoint ( data->t1[0].x );
ty1 = f32_to_fixPoint ( data->t1[0].y );
#endif
getSample_texture ( r0, g0, b0, &IT[0], tx0,ty0 );
getSample_texture ( r1, g1, b1, &IT[1], tx1,ty1 );
#define FIX_POINT_HALF_COLOR ( (tFixPoint) ( ((f32) COLOR_MAX / 2.f * FIX_POINT_F32_MUL ) ) )
// bias half color
r1 += -FIX_POINT_HALF_COLOR;
g1 += -FIX_POINT_HALF_COLOR;
b1 += -FIX_POINT_HALF_COLOR;
r2 = clampfix_mincolor ( clampfix_maxcolor ( r0 + r1 ) );
g2 = clampfix_mincolor ( clampfix_maxcolor ( g0 + g1 ) );
b2 = clampfix_mincolor ( clampfix_maxcolor ( b0 + b1 ) );
dst[i] = fix_to_color ( r2, g2, b2 );
#ifdef WRITE_Z
z[i] = data->z[0];
#endif
}
#ifdef IPOL_Z
data->z[0] += slopeZ;
#endif
#ifdef IPOL_W
data->w[0] += slopeW;
#endif
#ifdef IPOL_C
data->c[0] += slopeC;
#endif
#ifdef IPOL_T0
data->t0[0] += slopeT0;
#endif
#ifdef IPOL_T1
data->t1[0] += slopeT1;
#endif
}
}
/*!
*/
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::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 slopeT0;
#endif
#ifdef IPOL_T1
sVec2 slopeT1;
#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[1] - line.c[0]) * invDeltaX;
#endif
#ifdef IPOL_T0
slopeT0 = (line.t0[1] - line.t0[0]) * invDeltaX;
#endif
#ifdef IPOL_T1
slopeT1 = (line.t1[1] - line.t1[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] += slopeC * subPixel;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0 * subPixel;
#endif
#ifdef IPOL_T1
line.t1[0] += slopeT1 * subPixel;
#endif
#endif
dst = lockedSurface + ( line.y * SurfaceWidth ) + xStart;
#ifdef USE_ZBUFFER
z = lockedZBuffer + ( line.y * SurfaceWidth ) + xStart;
#endif
f32 inversew = FIX_POINT_F32_MUL;
tFixPoint 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 INVERSEW
inversew = fix_inverse32 ( line.w[0] );
#endif
getSample_texture ( r0, g0, b0,
&IT[0],
f32_to_fixPoint ( line.t0[0].x,inversew),
f32_to_fixPoint ( line.t0[0].y,inversew)
);
color_to_fix ( r1, g1, b1, dst[i] );
dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) ),
clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) ),
clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) )
);
}
#ifdef IPOL_W
line.w[0] += slopeW;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#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 INVERSEW
inversew = fix_inverse32 ( line.w[0] );
#endif
getSample_texture ( r0, g0, b0,
&IT[0],
f32_to_fixPoint ( line.t0[0].x,inversew),
f32_to_fixPoint ( line.t0[0].y,inversew)
);
color_to_fix ( r1, g1, b1, dst[i] );
dst[i] = fix_to_color ( clampfix_maxcolor ( imulFix_tex4 ( r0, r1 ) ),
clampfix_maxcolor ( imulFix_tex4 ( g0, g1 ) ),
clampfix_maxcolor ( imulFix_tex4 ( b0, b1 ) )
);
}
#ifdef IPOL_W
line.w[0] += slopeW;
#endif
#ifdef IPOL_T0
line.t0[0] += slopeT0;
#endif
}break;
} // zcompare
}
