diff options
| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-05-20 04:00:16 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2015-05-20 21:54:00 -0400 |
| commit | 6cdb29d52fc51e3d904b50bb7003c9fa38bb7896 (patch) | |
| tree | b36af9d28dd32a38bf104e8c4cc4a0aa133bfc4d | |
| parent | 3e7bc6728520b469ed53a2588ead28287f8b88f0 (diff) | |
freedreno/a3xx: set .zw of sprite coords to .01
Fixes non-determinism in bin/point-sprite rendering, and the stars on
the intro screen to neverball.
Cc: "10.6" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_program.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_program.c b/src/gallium/drivers/freedreno/a3xx/fd3_program.c index a6824ef92e..57fcaa9020 100644 --- a/src/gallium/drivers/freedreno/a3xx/fd3_program.c +++ b/src/gallium/drivers/freedreno/a3xx/fd3_program.c @@ -413,12 +413,15 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit, } } - /* TODO: Figure out if there's a way to make it spit out 0's and - * 1's for the .z and .w components. + /* Replace the .xy coordinates with S/T from the point sprite. Set + * interpolation bits for .zw such that they become .01 */ - if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) + if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) { vpsrepl[inloc / 16] |= (emit->sprite_coord_mode ? 0x0d : 0x09) << ((inloc % 16) * 2); + vinterp[(inloc + 2) / 16] |= 2 << (((inloc + 2) % 16) * 2); + vinterp[(inloc + 3) / 16] |= 3 << (((inloc + 3) % 16) * 2); + } } OUT_PKT0(ring, REG_A3XX_VPC_ATTR, 2); |