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i965/fs: Fix byte_offset() for MRF/ARF/FIXED_GRF regs.

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Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Francisco Jerez 2016-05-16 17:19:17 -07:00
parent 2db9dd5aeb
commit b736e78ddb
1 changed files with 17 additions and 11 deletions
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28
src/mesa/drivers/dri/i965/brw_ir_fs.h
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@ -80,29 +80,35 @@ retype(fs_reg reg, enum brw_reg_type type)
static inline fs_reg
byte_offset(fs_reg reg, unsigned delta)
{
reg.subreg_offset += delta;
switch (reg.file) {
case BAD_FILE:
break;
case VGRF:
case ATTR:
reg.reg_offset += reg.subreg_offset / 32;
case UNIFORM: {
const unsigned reg_size = (reg.file == UNIFORM ? 4 : REG_SIZE);
const unsigned suboffset = reg.subreg_offset + delta;
reg.reg_offset += suboffset / reg_size;
reg.subreg_offset = suboffset % reg_size;
break;
case MRF:
reg.nr += delta / 32;
}
case MRF: {
const unsigned suboffset = reg.subreg_offset + delta;
reg.nr += suboffset / REG_SIZE;
reg.subreg_offset = suboffset % REG_SIZE;
break;
case UNIFORM:
reg.reg_offset += reg.subreg_offset / 4;
reg.subreg_offset %= 4;
return reg;
}
case ARF:
case FIXED_GRF:
case FIXED_GRF: {
const unsigned suboffset = reg.subnr + delta;
reg.nr += suboffset / REG_SIZE;
reg.subnr = suboffset % REG_SIZE;
break;
}
case IMM:
default:
assert(delta == 0);
}
reg.subreg_offset %= 32;
return reg;
}