Fixes non-determinism in bin/point-sprite rendering, and the stars on
the intro screen to neverball.
Cc: "10.6" <mesa-sta...@lists.freedesktop.org>
Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
src/gallium/drivers/freedreno/a3xx/fd3_program.c | 9 ++++++---
1 file 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 a6824ef..57fcaa9 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);
--
2.3.6
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