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v3d: Always set up the qregs for CSD payload. 

We were failing to set up payload[1] for use by LocalInvocationIndex/ID
and shared variable accesses if gl_WorkGroupID/gl_GlobalInvocationID
wasn't used (possibly because you only have one workgroup).  You're always
going to use payload[1], and payload[0] is common enough and we have DCE
in the backend to clean it up if it happens to not be used.
This commit is contained in:
Eric Anholt 2019-04-15 16:36:17 -07:00
parent 1bc71e8b65
commit 697e2e1f26
1 changed files with 2 additions and 10 deletions
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12
src/broadcom/compiler/nir_to_vir.c
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@ -2273,16 +2273,8 @@ nir_to_vir(struct v3d_compile *c)
V3D_QPU_WADDR_SYNC));
}
if (c->s->info.system_values_read &
((1ull << SYSTEM_VALUE_LOCAL_INVOCATION_INDEX) |
(1ull << SYSTEM_VALUE_WORK_GROUP_ID))) {
c->cs_payload[0] = vir_MOV(c, vir_reg(QFILE_REG, 0));
}
if ((c->s->info.system_values_read &
((1ull << SYSTEM_VALUE_WORK_GROUP_ID))) ||
c->s->info.cs.shared_size) {
c->cs_payload[1] = vir_MOV(c, vir_reg(QFILE_REG, 2));
}
c->cs_payload[0] = vir_MOV(c, vir_reg(QFILE_REG, 0));
c->cs_payload[1] = vir_MOV(c, vir_reg(QFILE_REG, 2));
/* Set up the division between gl_LocalInvocationIndex and
* wg_in_mem in the payload reg.