diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_program.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_program.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c index 1efdf37097f..e37303fb69b 100644 --- a/src/gallium/drivers/vc4/vc4_program.c +++ b/src/gallium/drivers/vc4/vc4_program.c @@ -1026,6 +1026,37 @@ get_channel_from_vpm(struct vc4_compile *c, return qir_ITOF(c, qir_UNPACK_8_I(c, vpm, swiz)); } } + } else if (chan->size == 16 && + (chan->type == UTIL_FORMAT_TYPE_UNSIGNED || + chan->type == UTIL_FORMAT_TYPE_SIGNED)) { + struct qreg vpm = vpm_reads[swiz / 2]; + + /* Note that UNPACK_16F eats a half float, not ints, so we use + * UNPACK_16_I for all of these. + */ + if (chan->type == UTIL_FORMAT_TYPE_SIGNED) { + temp = qir_ITOF(c, qir_UNPACK_16_I(c, vpm, swiz % 2)); + if (chan->normalized) { + return qir_FMUL(c, temp, + qir_uniform_f(c, 1/32768.0f)); + } else { + return temp; + } + } else { + /* UNPACK_16I sign-extends, so we have to emit ANDs. */ + temp = vpm; + if (swiz == 1 || swiz == 3) + temp = qir_UNPACK_16_I(c, temp, 1); + temp = qir_AND(c, temp, qir_uniform_ui(c, 0xffff)); + temp = qir_ITOF(c, temp); + + if (chan->normalized) { + return qir_FMUL(c, temp, + qir_uniform_f(c, 1 / 65535.0)); + } else { + return temp; + } + } } else { return c->undef; } |