mirror of
https://github.com/Decompollaborate/rabbitizer.git
synced 2024-12-29 09:22:02 +00:00
42 lines
1.9 KiB
C
42 lines
1.9 KiB
C
|
typedef struct ScePspFVector3 {
|
||
|
|
float x, y, z;
|
||
|
|
} ScePspFVector3;
|
||
|
|
|
||
|
|
typedef struct ScePspFMatrix3 {
|
||
|
|
ScePspFVector3 x, y, z;
|
||
|
|
} ScePspFMatrix3;
|
||
|
|
|
||
|
|
ScePspFVector3 *sceVfpuMatrix3Transform(ScePspFVector3 *pv0, const ScePspFMatrix3 *pm1, const ScePspFVector3 *pv2)
|
||
|
|
{
|
||
|
|
#if 0
|
||
|
|
pv0->x = (pm1->x.x * pv2->x) + (pm1->y.x * pv2->y) + (pm1->z.x * pv2->z);
|
||
|
|
pv0->y = (pm1->x.y * pv2->x) + (pm1->y.y * pv2->y) + (pm1->z.y * pv2->z);
|
||
|
|
pv0->z = (pm1->x.z * pv2->x) + (pm1->y.z * pv2->y) + (pm1->z.z * pv2->z);
|
||
|
|
#else
|
||
|
|
__asm__ (
|
||
|
|
".set push\n" // save assembler option
|
||
|
|
".set noreorder\n" // suppress reordering
|
||
|
|
"lv.s s100, 0 + %1\n" // s100 = pm1->x.x
|
||
|
|
"lv.s s101, 4 + %1\n" // s101 = pm1->x.y
|
||
|
|
"lv.s s102, 8 + %1\n" // s102 = pm1->x.z
|
||
|
|
"lv.s s110, 12 + %1\n" // s110 = pm1->y.x
|
||
|
|
"lv.s s111, 16 + %1\n" // s111 = pm1->y.y
|
||
|
|
"lv.s s112, 20 + %1\n" // s112 = pm1->y.z
|
||
|
|
"lv.s s120, 24 + %1\n" // s120 = pm1->z.x
|
||
|
|
"lv.s s121, 28 + %1\n" // s121 = pm1->z.y
|
||
|
|
"lv.s s122, 32 + %1\n" // s122 = pm1->z.z
|
||
|
|
"lv.s s200, 0 + %2\n" // s200 = pv2->x
|
||
|
|
"lv.s s201, 4 + %2\n" // s201 = pv2->y
|
||
|
|
"lv.s s202, 8 + %2\n" // s202 = pv2->z
|
||
|
|
"vctfm3.t c000, e100, c200\n" // c000 = e100 * c200
|
||
|
|
"sv.s s000, 0 + %0\n" // pv0->x = s000
|
||
|
|
"sv.s s001, 4 + %0\n" // pv0->y = s001
|
||
|
|
"sv.s s002, 8 + %0\n" // pv0->z = s002
|
||
|
|
".set pop\n" // restore assembler option
|
||
|
|
: "=o"(*pv0)
|
||
|
|
: "o"(*pm1), "o"(*pv2)
|
||
|
|
);
|
||
|
|
#endif
|
||
|
|
return (pv0);
|
||
|
|
}
|