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i965/fs: Add vector float immediate infrastructure. 

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner 2014-03-08 17:25:34 -08:00
parent 276075f864
commit 5d23721c1d
3 changed files with 24 additions and 0 deletions
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19
src/mesa/drivers/dri/i965/brw_fs.cpp
View File

@ -581,6 +581,18 @@ fs_reg::fs_reg(uint32_t u)
this->width = 1;
}
/** Vector float immediate value constructor. */
fs_reg::fs_reg(uint8_t vf0, uint8_t vf1, uint8_t vf2, uint8_t vf3)
{
init();
this->file = IMM;
this->type = BRW_REGISTER_TYPE_VF;
this->fixed_hw_reg.dw1.ud = (vf0 << 0) |
(vf1 << 8) |
(vf2 << 16) |
(vf3 << 24);
}
/** Fixed brw_reg. */
fs_reg::fs_reg(struct brw_reg fixed_hw_reg)
{
@ -3189,6 +3201,13 @@ fs_visitor::dump_instruction(backend_instruction *be_inst, FILE *file)
case BRW_REGISTER_TYPE_UD:
fprintf(file, "%uu", inst->src[i].fixed_hw_reg.dw1.ud);
break;
case BRW_REGISTER_TYPE_VF:
fprintf(stderr, "[%-gF, %-gF, %-gF, %-gF]",
brw_vf_to_float((inst->src[i].fixed_hw_reg.dw1.ud >> 0) & 0xff),
brw_vf_to_float((inst->src[i].fixed_hw_reg.dw1.ud >> 8) & 0xff),
brw_vf_to_float((inst->src[i].fixed_hw_reg.dw1.ud >> 16) & 0xff),
brw_vf_to_float((inst->src[i].fixed_hw_reg.dw1.ud >> 24) & 0xff));
break;
default:
fprintf(file, "???");
break;

2
src/mesa/drivers/dri/i965/brw_fs.h
View File

@ -76,6 +76,8 @@ public:
explicit fs_reg(float f);
explicit fs_reg(int32_t i);
explicit fs_reg(uint32_t u);
explicit fs_reg(uint8_t vf[4]);
explicit fs_reg(uint8_t vf0, uint8_t vf1, uint8_t vf2, uint8_t vf3);
fs_reg(struct brw_reg fixed_hw_reg);
fs_reg(enum register_file file, int reg);
fs_reg(enum register_file file, int reg, enum brw_reg_type type);

3
src/mesa/drivers/dri/i965/brw_fs_generator.cpp
View File

@ -1255,6 +1255,9 @@ brw_reg_from_fs_reg(fs_reg *reg)
case BRW_REGISTER_TYPE_UD:
brw_reg = brw_imm_ud(reg->fixed_hw_reg.dw1.ud);
break;
case BRW_REGISTER_TYPE_VF:
brw_reg = brw_imm_vf(reg->fixed_hw_reg.dw1.ud);
break;
default:
unreachable("not reached");
}