diff options
| author | Ben Skeggs <skeggsb@gmail.com> | 2008-06-09 16:26:51 +1000 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2008-06-29 15:46:16 +1000 |
| commit | 6d0f7ea95475009ee17862786469f7b9a34a797f (patch) | |
| tree | 42bc63e69269ae0b5d8a795ed5fd4a35cccf8abf /src/gallium/drivers | |
| parent | 713ef6ccd2590bd866598bb6d4f646e9ec29ba78 (diff) | |
nv50: note some things discovered during renouveau session
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 592435585d..0274545131 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -28,10 +28,29 @@ * FUCK! watch dst==src vectors, can overwrite components that are needed. * ie. SUB R0, R0.yzxw, R0 * + * MOV dst, -src + * "delta" tmp, -src (0xa0000204,0xe4004780 - delta r0, -r0) + * mov dst, tmp + * * Things to check with renouveau: - * SGE/SLT with needed src0/1 swap * FP attr/result assignment - how? - * FP/VP constbuf usage + * attrib + * - 0x16bc maps vp output onto fp hpos + * - 0x16c0 maps vp output onto fp col0 + * result + * - colr always 0-3 + * - depr always 4 + * 0x16bc->0x16e8 --> some binding between vp/fp regs + * 0x16b8 --> VP output count + * + * 0x1298 --> "MOV rcol.x, fcol.y" "MOV depr, fcol.y" = 0x00000005 + * "MOV rcol.x, fcol.y" = 0x00000004 + * 0x19a8 --> as above but 0x00000100 and 0x00000000 + * - 0x00100000 used when KIL used + * 0x196c --> as above but 0x00000011 and 0x00000000 + * + * 0x1988 --> 0xXXNNNNNN + * - XX == FP high something */ struct nv50_reg { enum { |