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freedreno/a5xx: work around SWAP vs TILE_MODE constraint

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If the blit isn't changing format, but is changing tiling, just lie and
call things ARGB (since the exact component order doesn't matter for a
tiling blit).

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2018-01-08 13:40:22 -05:00
parent 39b63c18f1
commit 50f9a9aa96
1 changed files with 20 additions and 0 deletions
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20
src/gallium/drivers/freedreno/a5xx/fd5_blitter.c
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@ -93,6 +93,16 @@ can_do_blit(const struct pipe_blit_info *info)
if (!ok_format(info->src.format))
return false;
/* hw ignores {SRC,DST}_INFO.COLOR_SWAP if {SRC,DST}_INFO.TILE_MODE
* is set (not linear). We can kind of get around that when tiling/
* untiling by setting both src and dst COLOR_SWAP=WZYX, but that
* means the formats must match:
*/
if ((fd_resource(info->dst.resource)->tile_mode ||
fd_resource(info->src.resource)->tile_mode) &&
info->dst.format != info->src.format)
return false;
/* until we figure out a few more registers: */
if ((info->dst.box.width != info->src.box.width) ||
(info->dst.box.height != info->src.box.height))
@ -342,6 +352,16 @@ emit_blit(struct fd_ringbuffer *ring, const struct pipe_blit_info *info)
spitch = sslice->pitch * src->cpp;
dpitch = dslice->pitch * dst->cpp;
/* if dtile, then dswap ignored by hw, and likewise if stile then sswap
* ignored by hw.. but in this case we have already rejected the blit
* if src and dst formats differ, so juse use WZYX for both src and
* dst swap mode (so we don't change component order)
*/
if (stile || dtile) {
debug_assert(info->src.format == info->dst.format);
sswap = dswap = WZYX;
}
sx1 = sbox->x;
sy1 = sbox->y;
sx2 = sbox->x + sbox->width - 1;