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st/nine: Don't update unused world matrices

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While to the application we have to track
accurately all 256 world matrices (including
in stateblocks), hw vertex processing enables
to set a limit to the number of world matrices
the hardware can access to in the advertised caps,
which is 8 for nine.

Thus don't bother in the stateblock code to send
the updated values for the unreachable matrices.

Signed-off-by: Axel Davy <davyaxel0@gmail.com>
This commit is contained in:
Axel Davy 2018-09-23 22:28:07 +02:00
parent 2e51c4c7cc
commit a4e9bbb8f8
1 changed files with 6 additions and 0 deletions
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6
src/gallium/state_trackers/nine/nine_state.c
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@ -2059,6 +2059,12 @@ nine_context_apply_stateblock(struct NineDevice9 *device,
for (s = i * 32; s < (i * 32 + 32); ++s) {
if (!(src->ff.changed.transform[i] & (1 << (s % 32))))
continue;
/* MaxVertexBlendMatrixIndex is 8, which means
* we don't read past index D3DTS_WORLDMATRIX(8).
* swvp is supposed to allow all 256, but we don't
* implement it for now. */
if (s > D3DTS_WORLDMATRIX(8))
break;
nine_context_set_transform(device, s,
nine_state_access_transform(
(struct nine_ff_state *)&src->ff,