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fix vectest

This commit is contained in:
zeromus 2009-12-05 06:41:06 +00:00
parent 56a6d6cddd
commit 3176cf6b18
1 changed files with 6 additions and 4 deletions
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10
desmume/src/gfx3d.cpp
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@ -1549,7 +1549,9 @@ static void gfx3d_glVecTest(u32 v)
{
GFX_DELAY(5);
printf("VECTEST\n");
//this is tested by phoenix wright in its evidence inspector modelviewer
//i am not sure exactly what it is doing, maybe it is testing to ensure
//that the normal vector for the point of interest is camera-facing.
CACHE_ALIGN float normal[4] = { normalTable[v&1023],
normalTable[(v>>10)&1023],
@ -1558,9 +1560,9 @@ static void gfx3d_glVecTest(u32 v)
MatrixMultVec4x4(mtxCurrent[2], normal);
s16 x = (s16)(normal[0]);
s16 y = (s16)(normal[1]);
s16 z = (s16)(normal[2]);
s16 x = (s16)(normal[0]*4096);
s16 y = (s16)(normal[1]*4096);
s16 z = (s16)(normal[2]*4096);
MMU_new.gxstat.tb = 0; // clear busy
T1WriteWord(MMU.MMU_MEM[0][0x40], 0x630, x);