piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2025-07-24 14:49:53 -06:00
Code Issues Packages Projects Releases Wiki Activity

fix texcoord-from-vertex mode. it works like for normals (1.0 = 1/16 texel)

Browse Source
This commit is contained in:
StapleButter
2017-04-28 17:35:57 +02:00
parent 5de98cd484
commit 2273bd2ea4
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/GPU3D.cpp
View File

@ -849,6 +849,7 @@ void SubmitPolygon()
if (FlushAttributes & 0x2) if (FlushAttributes & 0x2)
z = w << wshift; z = w << wshift;
else else
//z = vtx->Position[2]+0x7FFFFF;//((vtx->Position[2] + (w<<wshift)) * 0x1000) / (w<<(wshift+1));
z = (((s64)vtx->Position[2] * 0x800000) / (w << wshift)) + 0x7FFEFF; z = (((s64)vtx->Position[2] * 0x800000) / (w << wshift)) + 0x7FFEFF;
// checkme // checkme
@ -884,8 +885,8 @@ void SubmitVertex()
if ((TexParam >> 30) == 3) if ((TexParam >> 30) == 3)
{ {
vertextrans->TexCoords[0] = (vertex[0]*TexMatrix[0] + vertex[1]*TexMatrix[4] + vertex[2]*TexMatrix[8] + vertex[3]*(RawTexCoords[0]<<8)) >> 20; vertextrans->TexCoords[0] = ((vertex[0]*TexMatrix[0] + vertex[1]*TexMatrix[4] + vertex[2]*TexMatrix[8]) >> 24) + RawTexCoords[0];
vertextrans->TexCoords[1] = (vertex[0]*TexMatrix[1] + vertex[1]*TexMatrix[5] + vertex[2]*TexMatrix[9] + vertex[3]*(RawTexCoords[1]<<8)) >> 20; vertextrans->TexCoords[1] = ((vertex[0]*TexMatrix[1] + vertex[1]*TexMatrix[5] + vertex[2]*TexMatrix[9]) >> 24) + RawTexCoords[1];
} }
else else
{ {
@ -963,6 +964,8 @@ void SubmitVertex()
s32 CalculateLighting() s32 CalculateLighting()
{ {
// TODO: this requires matrix mode 2, apparently // TODO: this requires matrix mode 2, apparently
// hardware seems to read garbage when matrix mode isn't 2
// also, non-normal normals seem to be treated as zero? or overflow to negative?
if ((TexParam >> 30) == 2) if ((TexParam >> 30) == 2)
{ {