diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_program.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index c11ee5aa1b1..9f59bdffe0c 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -431,8 +431,14 @@ tgsi_to_qir_flr(struct tgsi_to_qir *trans, { struct qcompile *c = trans->c; struct qreg trunc = qir_ITOF(c, qir_FTOI(c, src[0 * 4 + i])); + + /* This will be < 0 if we truncated and the truncation was of a value + * that was < 0 in the first place. + */ + struct qreg diff = qir_FSUB(c, src[0 * 4 + i], trunc); + return qir_CMP(c, - src[0 * 4 + i], + diff, qir_FSUB(c, trunc, qir_uniform_f(trans, 1.0)), trunc); } |