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psx - test rasterizer code

This commit is contained in:
zeromus 2015-02-15 18:08:09 +00:00
parent 36f9145483
commit f491f76207
2 changed files with 40 additions and 35 deletions
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output/dll/octoshock.dll
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75
psx/octoshock/psx/gpu_polygon.cpp
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@ -144,43 +144,43 @@ INLINE void PS_GPU::DrawSpan(int y, const int32 x_start, const int32 x_bound, i_
if(LineSkipTest(y)) if(LineSkipTest(y))
return; return;
if(textured) int32 x_ig_adjust = x_start;
int32 w = x_bound - x_start;
int32 x = sign_x_to_s32(11, x_start);
if(x < ClipX0)
{ {
ig.u += (x_start * idl.du_dx) + (y * idl.du_dy); int32 delta = ClipX0 - x;
ig.v += (x_start * idl.dv_dx) + (y * idl.dv_dy); x_ig_adjust += delta;
x += delta;
w -= delta;
} }
if(goraud) if((x + w) > (ClipX1 + 1))
w = ClipX1 + 1 - x;
if(w <= 0)
return;
//printf("%d %d %d %d\n", x, w, ClipX0, ClipX1);
AddIDeltas_DX<goraud, textured>(ig, idl, x_ig_adjust);
AddIDeltas_DY<goraud, textured>(ig, idl, y);
if(goraud || textured)
DrawTimeAvail -= w * 2;
else if((BlendMode >= 0) || MaskEval_TA)
DrawTimeAvail -= w + ((w + 1) >> 1);
else
DrawTimeAvail -= w;
do
{ {
ig.r += (x_start * idl.dr_dx) + (y * idl.dr_dy); const uint32 r = ig.r >> (COORD_FBS + COORD_POST_PADDING);
ig.g += (x_start * idl.dg_dx) + (y * idl.dg_dy); const uint32 g = ig.g >> (COORD_FBS + COORD_POST_PADDING);
ig.b += (x_start * idl.db_dx) + (y * idl.db_dy); const uint32 b = ig.b >> (COORD_FBS + COORD_POST_PADDING);
}
for(int32 xi = x_start; MDFN_LIKELY(xi < x_bound); xi++, AddIDeltas_DX<goraud, textured>(ig, idl)) //assert(x >= ClipX0 && x <= ClipX1);
{
uint32 r, g, b;
int32 x = sign_x_to_s32(11, xi);
if(goraud || textured)
DrawTimeAvail -= 2;
else
DrawTimeAvail--;
if(x > ClipX1)
break;
if(x < ClipX0)
continue;
if(!(goraud || textured) && ((BlendMode >= 0) || MaskEval_TA))
{
DrawTimeAvail -= (x & 1);
}
r = ig.r >> (COORD_FBS + COORD_POST_PADDING);
g = ig.g >> (COORD_FBS + COORD_POST_PADDING);
b = ig.b >> (COORD_FBS + COORD_POST_PADDING);
if(textured) if(textured)
{ {
@ -223,7 +223,10 @@ INLINE void PS_GPU::DrawSpan(int y, const int32 x_start, const int32 x_bound, i_
PlotPixel<BlendMode, MaskEval_TA, false>(x, y, pix); PlotPixel<BlendMode, MaskEval_TA, false>(x, y, pix);
} }
}
x++;
AddIDeltas_DX<goraud, textured>(ig, idl);
} while(MDFN_LIKELY(--w > 0));
} }
template<bool goraud, bool textured, int BlendMode, bool TexMult, uint32 TexMode_TA, bool MaskEval_TA> template<bool goraud, bool textured, int BlendMode, bool TexMult, uint32 TexMode_TA, bool MaskEval_TA>
@ -245,6 +248,8 @@ INLINE void PS_GPU::DrawTriangle(tri_vertex *vertices)
else else
cvtemp = (1 << 1); cvtemp = (1 << 1);
} }
else if(vertices[2].x < vertices[0].x)
cvtemp = (1 << 2);
else else
cvtemp = (1 << 0); cvtemp = (1 << 0);
@ -454,7 +459,7 @@ INLINE void PS_GPU::DrawTriangle(tri_vertex *vertices)
continue; continue;
} }
DrawSpan<goraud, textured, BlendMode, TexMult, TexMode_TA, MaskEval_TA>(y, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl); DrawSpan<goraud, textured, BlendMode, TexMult, TexMode_TA, MaskEval_TA>(yi, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
} }
} }
else else
@ -472,7 +477,7 @@ INLINE void PS_GPU::DrawTriangle(tri_vertex *vertices)
goto skipit; goto skipit;
} }
DrawSpan<goraud, textured, BlendMode, TexMult, TexMode_TA, MaskEval_TA>(y, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl); DrawSpan<goraud, textured, BlendMode, TexMult, TexMode_TA, MaskEval_TA>(yi, GetPolyXFP_Int(lc), GetPolyXFP_Int(rc), ig, idl);
// //
// //
// //