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i965: Clean up brw_dp_READ_4_vs() now that it has fewer options to support.

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This commit is contained in:
Eric Anholt 2010-07-21 19:49:39 -07:00
parent 96b11f1e3e
commit 21eaa62ba4
3 changed files with 31 additions and 52 deletions
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3
src/mesa/drivers/dri/i965/brw_eu.h
View file

@ -891,9 +891,6 @@ void brw_dp_READ_4( struct brw_compile *p,
void brw_dp_READ_4_vs( struct brw_compile *p,
struct brw_reg dest,
GLuint oword,
GLboolean relAddr,
struct brw_reg addrReg,
GLuint location,
GLuint bind_table_index );

77
src/mesa/drivers/dri/i965/brw_eu_emit.c
View file

@ -1226,68 +1226,53 @@ void brw_dp_READ_4( struct brw_compile *p,
*/
void brw_dp_READ_4_vs(struct brw_compile *p,
struct brw_reg dest,
GLuint oword,
GLboolean relAddr,
struct brw_reg addrReg,
GLuint location,
GLuint bind_table_index)
{
struct brw_instruction *insn;
GLuint msg_reg_nr = 1;
struct brw_reg b;
assert(oword < 2);
/*
printf("vs const read msg, location %u, msg_reg_nr %d\n",
location, msg_reg_nr);
*/
/* Setup MRF[1] with location/offset into const buffer */
{
struct brw_reg b;
brw_push_insn_state(p);
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
brw_push_insn_state(p);
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_set_mask_control(p, BRW_MASK_DISABLE);
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
/*brw_set_access_mode(p, BRW_ALIGN_16);*/
/* XXX I think we're setting all the dwords of MRF[1] to 'location'.
* when the docs say only dword[2] should be set. Hmmm. But it works.
*/
b = brw_message_reg(msg_reg_nr);
b = retype(b, BRW_REGISTER_TYPE_UD);
/*b = get_element_ud(b, 2);*/
brw_MOV(p, b, brw_imm_ud(location));
/* XXX I think we're setting all the dwords of MRF[1] to 'location'.
* when the docs say only dword[2] should be set. Hmmm. But it works.
*/
b = brw_message_reg(msg_reg_nr);
b = retype(b, BRW_REGISTER_TYPE_UD);
/*b = get_element_ud(b, 2);*/
if (relAddr) {
brw_ADD(p, b, addrReg, brw_imm_ud(location));
}
else {
brw_MOV(p, b, brw_imm_ud(location));
}
brw_pop_insn_state(p);
brw_pop_insn_state(p);
}
insn = next_insn(p, BRW_OPCODE_SEND);
{
struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);
insn->header.predicate_control = BRW_PREDICATE_NONE;
insn->header.compression_control = BRW_COMPRESSION_NONE;
insn->header.destreg__conditionalmod = msg_reg_nr;
insn->header.mask_control = BRW_MASK_DISABLE;
/*insn->header.access_mode = BRW_ALIGN_16;*/
brw_set_dest(insn, dest);
brw_set_src0(insn, brw_null_reg());
insn->header.predicate_control = BRW_PREDICATE_NONE;
insn->header.compression_control = BRW_COMPRESSION_NONE;
insn->header.destreg__conditionalmod = msg_reg_nr;
insn->header.mask_control = BRW_MASK_DISABLE;
brw_set_dp_read_message(p->brw,
insn,
bind_table_index,
oword, /* 0 = lower Oword, 1 = upper Oword */
BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ, /* msg_type */
0, /* source cache = data cache */
1, /* msg_length */
1, /* response_length (1 Oword) */
0); /* eot */
}
brw_set_dest(insn, dest);
brw_set_src0(insn, brw_null_reg());
brw_set_dp_read_message(p->brw,
insn,
bind_table_index,
0,
BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ, /* msg_type */
0, /* source cache = data cache */
1, /* msg_length */
1, /* response_length (1 Oword) */
0); /* eot */
}
/**

3
src/mesa/drivers/dri/i965/brw_vs_emit.c
View file

@ -878,9 +878,6 @@ get_constant(struct brw_vs_compile *c,
/* need to fetch the constant now */
brw_dp_READ_4_vs(p,
const_reg, /* writeback dest */
0, /* oword */
0, /* relative indexing? */
brw_null_reg(), /* address register */
16 * src->Index, /* byte offset */
SURF_INDEX_VERT_CONST_BUFFER /* binding table index */
);