diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-01-08 21:21:41 +1100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2007-02-08 13:24:25 +1100 |
| commit | 9b8d9d0e0181286c0608e6426da1eac45463ecd2 (patch) | |
| tree | 4614fe9c303ba3c50b40f90b2bdc1923aa1996a6 /drivers/char/drm/via_verifier.c | |
| parent | 689692e73ea4b95c9fa5d5913eade33147db2e5a (diff) | |
via: allow for npot texture pitch alignment
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/via_verifier.c')
| -rw-r--r-- | drivers/char/drm/via_verifier.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c index 24fc7cb6e7da..2e7e08078287 100644 --- a/drivers/char/drm/via_verifier.c +++ b/drivers/char/drm/via_verifier.c @@ -306,6 +306,7 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) unsigned long lo = ~0, hi = 0, tmp; uint32_t *addr, *pitch, *height, tex; unsigned i; + int npot; if (end > 9) end = 9; @@ -316,12 +317,15 @@ static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq) &(cur_seq->t_addr[tex = cur_seq->texture][start]); pitch = &(cur_seq->pitch[tex][start]); height = &(cur_seq->height[tex][start]); - + npot = cur_seq->tex_npot[tex]; for (i = start; i <= end; ++i) { tmp = *addr++; if (tmp < lo) lo = tmp; - tmp += (*height++ << *pitch++); + if (i == 0 && npot) + tmp += (*height++ * *pitch++); + else + tmp += (*height++ << *pitch++); if (tmp > hi) hi = tmp; } @@ -443,13 +447,21 @@ investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq) return 0; case check_texture_addr3: cur_seq->unfinished = tex_address; - tmp = ((cmd >> 24) - 0x2B); - cur_seq->pitch[cur_seq->texture][tmp] = - (cmd & 0x00F00000) >> 20; - if (!tmp && (cmd & 0x000FFFFF)) { - DRM_ERROR - ("Unimplemented texture level 0 pitch mode.\n"); - return 2; + tmp = ((cmd >> 24) - HC_SubA_HTXnL0Pit); + if (tmp == 0 && + (cmd & HC_HTXnEnPit_MASK)) { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPit_MASK); + cur_seq->tex_npot[cur_seq->texture] = 1; + } else { + cur_seq->pitch[cur_seq->texture][tmp] = + (cmd & HC_HTXnLnPitE_MASK) >> HC_HTXnLnPitE_SHIFT; + cur_seq->tex_npot[cur_seq->texture] = 0; + if (cmd & 0x000FFFFF) { + DRM_ERROR + ("Unimplemented texture level 0 pitch mode.\n"); + return 2; + } } return 0; case check_texture_addr4: |