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melonDS
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fix shitty texture mapping

This commit is contained in:
StapleButter 2017-03-06 19:41:47 +01:00
parent a9cc55ca6d
commit ed385ce0f5
1 changed files with 4 additions and 16 deletions
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20
GPU3D_Soft.cpp
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@ -547,14 +547,13 @@ void RenderPolygon(Polygon* polygon)
// temp.
if (xl > 255) continue;
s32 xdiv = 0x1000 / (xr - xl);
//printf("y%d: %d->%d %08X %08X\n", y, xl, xr, lfactor, rfactor);
//s32 xdiv = 0x1000 / (xr - xl);
for (s32 x = xl; x < xr; x++)
{
//s32 xfactor = ((x - xl) << 12) / (xr - xl);
s32 xfactor = (x - xl) * xdiv;
//if (x!=xl && x!=(xr-1)) continue;
s32 xfactor = ((x - xl) << 12) / (xr - xl);
//s32 xfactor = (x - xl) * xdiv;
s32 z = zl + (((s64)(zr - zl) * xfactor) >> 12);
//z = wl + (((s64)(wr - wl) * xfactor) >> 12);
@ -613,17 +612,6 @@ void RenderFrame(Vertex* vertices, Polygon* polygons, int npolys)
for (int i = 0; i < npolys; i++)
{
/*printf("polygon %d: %d %d %d\n", i, polygons[i].Vertices[0]->Color[0], polygons[i].Vertices[0]->Color[1], polygons[i].Vertices[0]->Color[2]);
for (int j = 0; j < polygons[i].NumVertices; j++)
printf(" %d: %f %f %f\n",
j,
polygons[i].Vertices[j]->Position[0]/4096.0f,
polygons[i].Vertices[j]->Position[1]/4096.0f,
polygons[i].Vertices[j]->Position[2]/4096.0f);
*/
//printf("polygon %d\n", i);
//if (!polygons[i].Vertices[0]->Clipped) continue;
//printf("polygon %d\n", i);
RenderPolygon(&polygons[i]);
}
}