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i965/clip: Use the new brw_last_inst macro instead of temporaries.

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It wasn't too bad before, but the macro is going to be nicer once I
start modifying a lot more instructions in this pattern.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Kenneth Graunke 2014-05-27 23:50:23 -07:00
parent 42c292006c
commit 0bfac24caf
3 changed files with 23 additions and 27 deletions
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9
src/mesa/drivers/dri/i965/brw_clip_line.c
View file

@ -130,7 +130,6 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
{
struct brw_compile *p = &c->func;
struct brw_context *brw = p->brw;
struct brw_instruction *inst;
struct brw_indirect vtx0 = brw_indirect(0, 0);
struct brw_indirect vtx1 = brw_indirect(1, 0);
struct brw_indirect newvtx0 = brw_indirect(2, 0);
@ -229,8 +228,8 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp1);
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t1 );
inst = brw_MOV(p, c->reg.t1, c->reg.t);
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_MOV(p, c->reg.t1, c->reg.t);
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
}
brw_ELSE(p);
{
@ -251,8 +250,8 @@ static void clip_and_emit_line( struct brw_clip_compile *c )
brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp0);
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t0 );
inst = brw_MOV(p, c->reg.t0, c->reg.t);
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_MOV(p, c->reg.t0, c->reg.t);
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
}
if (brw->has_negative_rhw_bug) {

34
src/mesa/drivers/dri/i965/brw_clip_tri.c
View file

@ -262,7 +262,6 @@ load_clip_distance(struct brw_clip_compile *c, struct brw_indirect vtx,
void brw_clip_tri( struct brw_clip_compile *c )
{
struct brw_compile *p = &c->func;
struct brw_instruction *inst;
struct brw_indirect vtx = brw_indirect(0, 0);
struct brw_indirect vtxPrev = brw_indirect(1, 0);
struct brw_indirect vtxOut = brw_indirect(2, 0);
@ -338,8 +337,8 @@ void brw_clip_tri( struct brw_clip_compile *c )
/* If (vtxOut == 0) vtxOut = vtxPrev
*/
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) );
inst = brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtxPrev));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtxPrev));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_clip_interp_vertex(c, vtxOut, vtxPrev, vtx, c->reg.t, false);
@ -379,8 +378,8 @@ void brw_clip_tri( struct brw_clip_compile *c )
/* If (vtxOut == 0) vtxOut = vtx
*/
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_EQ, get_addr_reg(vtxOut), brw_imm_uw(0) );
inst = brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtx));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_MOV(p, get_addr_reg(vtxOut), get_addr_reg(vtx));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_clip_interp_vertex(c, vtxOut, vtx, vtxPrev, c->reg.t, true);
@ -517,7 +516,6 @@ static void maybe_do_clip_tri( struct brw_clip_compile *c )
static void brw_clip_test( struct brw_clip_compile *c )
{
struct brw_instruction *inst;
struct brw_reg t = retype(get_tmp(c), BRW_REGISTER_TYPE_UD);
struct brw_reg t1 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD);
struct brw_reg t2 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD);
@ -572,16 +570,16 @@ static void brw_clip_test( struct brw_clip_compile *c )
brw_AND(p, t, t, brw_imm_ud(0x1));
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 0), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<5)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<5)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 1), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<3)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<3)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 2), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<1)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<1)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
/* test farz, xmax, ymax plane */
/* clip.xyz > clip.w */
@ -610,16 +608,16 @@ static void brw_clip_test( struct brw_clip_compile *c )
brw_AND(p, t, t, brw_imm_ud(0x1));
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 0), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<4)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<4)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 1), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<2)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<2)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_NZ,
get_element(t, 2), brw_imm_ud(0));
inst = brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<0)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_OR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud((1<<0)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
release_tmps(c);
}

7
src/mesa/drivers/dri/i965/brw_clip_unfilled.c
View file

@ -195,7 +195,6 @@ static void compute_offset( struct brw_clip_compile *c )
struct brw_compile *p = &c->func;
struct brw_reg off = c->reg.offset;
struct brw_reg dir = c->reg.dir;
struct brw_instruction *inst;
brw_math_invert(p, get_element(off, 2), get_element(dir, 2));
brw_MUL(p, vec2(off), dir, get_element(off, 2));
@ -206,9 +205,9 @@ static void compute_offset( struct brw_clip_compile *c )
brw_abs(get_element(off, 0)),
brw_abs(get_element(off, 1)));
inst = brw_SEL(p, vec1(off),
brw_abs(get_element(off, 0)), brw_abs(get_element(off, 1)));
inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_SEL(p, vec1(off),
brw_abs(get_element(off, 0)), brw_abs(get_element(off, 1)));
brw_last_inst->header.predicate_control = BRW_PREDICATE_NORMAL;
brw_MUL(p, vec1(off), off, brw_imm_f(c->key.offset_factor));
brw_ADD(p, vec1(off), off, brw_imm_f(c->key.offset_units));