2 Copyright (C) Intel Corp. 2006. All Rights Reserved.
3 Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
4 develop this 3D driver.
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **********************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "main/glheader.h"
34 #include "main/macros.h"
35 #include "main/enums.h"
37 #include "intel_batchbuffer.h"
39 #include "brw_defines.h"
40 #include "brw_context.h"
46 static struct brw_reg
get_vert_attr(struct brw_sf_compile
*c
,
50 GLuint off
= c
->attr_to_idx
[attr
] / 2;
51 GLuint sub
= c
->attr_to_idx
[attr
] % 2;
53 return brw_vec4_grf(vert
.nr
+ off
, sub
* 4);
56 static GLboolean
have_attr(struct brw_sf_compile
*c
,
59 return (c
->key
.attrs
& BITFIELD64_BIT(attr
)) ? 1 : 0;
62 /***********************************************************************
65 static void copy_bfc( struct brw_sf_compile
*c
,
68 struct brw_compile
*p
= &c
->func
;
71 for (i
= 0; i
< 2; i
++) {
72 if (have_attr(c
, VERT_RESULT_COL0
+i
) &&
73 have_attr(c
, VERT_RESULT_BFC0
+i
))
75 get_vert_attr(c
, vert
, VERT_RESULT_COL0
+i
),
76 get_vert_attr(c
, vert
, VERT_RESULT_BFC0
+i
));
81 static void do_twoside_color( struct brw_sf_compile
*c
)
83 struct brw_compile
*p
= &c
->func
;
84 struct brw_instruction
*if_insn
;
85 GLuint backface_conditional
= c
->key
.frontface_ccw
? BRW_CONDITIONAL_G
: BRW_CONDITIONAL_L
;
87 /* Already done in clip program:
89 if (c
->key
.primitive
== SF_UNFILLED_TRIS
)
92 /* XXX: What happens if BFC isn't present? This could only happen
93 * for user-supplied vertex programs, as t_vp_build.c always does
96 if (!(have_attr(c
, VERT_RESULT_COL0
) && have_attr(c
, VERT_RESULT_BFC0
)) &&
97 !(have_attr(c
, VERT_RESULT_COL1
) && have_attr(c
, VERT_RESULT_BFC1
)))
100 /* Need to use BRW_EXECUTE_4 and also do an 4-wide compare in order
101 * to get all channels active inside the IF. In the clipping code
102 * we run with NoMask, so it's not an option and we can use
103 * BRW_EXECUTE_1 for all comparisions.
105 brw_push_insn_state(p
);
106 brw_CMP(p
, vec4(brw_null_reg()), backface_conditional
, c
->det
, brw_imm_f(0));
107 if_insn
= brw_IF(p
, BRW_EXECUTE_4
);
109 switch (c
->nr_verts
) {
110 case 3: copy_bfc(c
, c
->vert
[2]);
111 case 2: copy_bfc(c
, c
->vert
[1]);
112 case 1: copy_bfc(c
, c
->vert
[0]);
115 brw_ENDIF(p
, if_insn
);
116 brw_pop_insn_state(p
);
121 /***********************************************************************
125 #define VERT_RESULT_COLOR_BITS (BITFIELD64_BIT(VERT_RESULT_COL0) | \
126 BITFIELD64_BIT(VERT_RESULT_COL1))
128 static void copy_colors( struct brw_sf_compile
*c
,
132 struct brw_compile
*p
= &c
->func
;
135 for (i
= VERT_RESULT_COL0
; i
<= VERT_RESULT_COL1
; i
++) {
138 get_vert_attr(c
, dst
, i
),
139 get_vert_attr(c
, src
, i
));
145 /* Need to use a computed jump to copy flatshaded attributes as the
146 * vertices are ordered according to y-coordinate before reaching this
147 * point, so the PV could be anywhere.
149 static void do_flatshade_triangle( struct brw_sf_compile
*c
)
151 struct brw_compile
*p
= &c
->func
;
152 struct intel_context
*intel
= &p
->brw
->intel
;
153 struct brw_reg ip
= brw_ip_reg();
154 GLuint nr
= brw_count_bits(c
->key
.attrs
& VERT_RESULT_COLOR_BITS
);
160 /* Already done in clip program:
162 if (c
->key
.primitive
== SF_UNFILLED_TRIS
)
168 brw_push_insn_state(p
);
170 brw_MUL(p
, c
->pv
, c
->pv
, brw_imm_d(jmpi
*(nr
*2+1)));
171 brw_JMPI(p
, ip
, ip
, c
->pv
);
173 copy_colors(c
, c
->vert
[1], c
->vert
[0]);
174 copy_colors(c
, c
->vert
[2], c
->vert
[0]);
175 brw_JMPI(p
, ip
, ip
, brw_imm_d(jmpi
*(nr
*4+1)));
177 copy_colors(c
, c
->vert
[0], c
->vert
[1]);
178 copy_colors(c
, c
->vert
[2], c
->vert
[1]);
179 brw_JMPI(p
, ip
, ip
, brw_imm_d(jmpi
*nr
*2));
181 copy_colors(c
, c
->vert
[0], c
->vert
[2]);
182 copy_colors(c
, c
->vert
[1], c
->vert
[2]);
184 brw_pop_insn_state(p
);
188 static void do_flatshade_line( struct brw_sf_compile
*c
)
190 struct brw_compile
*p
= &c
->func
;
191 struct intel_context
*intel
= &p
->brw
->intel
;
192 struct brw_reg ip
= brw_ip_reg();
193 GLuint nr
= brw_count_bits(c
->key
.attrs
& VERT_RESULT_COLOR_BITS
);
199 /* Already done in clip program:
201 if (c
->key
.primitive
== SF_UNFILLED_TRIS
)
207 brw_push_insn_state(p
);
209 brw_MUL(p
, c
->pv
, c
->pv
, brw_imm_d(jmpi
*(nr
+1)));
210 brw_JMPI(p
, ip
, ip
, c
->pv
);
211 copy_colors(c
, c
->vert
[1], c
->vert
[0]);
213 brw_JMPI(p
, ip
, ip
, brw_imm_ud(jmpi
*nr
));
214 copy_colors(c
, c
->vert
[0], c
->vert
[1]);
216 brw_pop_insn_state(p
);
221 /***********************************************************************
226 static void alloc_regs( struct brw_sf_compile
*c
)
230 /* Values computed by fixed function unit:
232 c
->pv
= retype(brw_vec1_grf(1, 1), BRW_REGISTER_TYPE_D
);
233 c
->det
= brw_vec1_grf(1, 2);
234 c
->dx0
= brw_vec1_grf(1, 3);
235 c
->dx2
= brw_vec1_grf(1, 4);
236 c
->dy0
= brw_vec1_grf(1, 5);
237 c
->dy2
= brw_vec1_grf(1, 6);
239 /* z and 1/w passed in seperately:
241 c
->z
[0] = brw_vec1_grf(2, 0);
242 c
->inv_w
[0] = brw_vec1_grf(2, 1);
243 c
->z
[1] = brw_vec1_grf(2, 2);
244 c
->inv_w
[1] = brw_vec1_grf(2, 3);
245 c
->z
[2] = brw_vec1_grf(2, 4);
246 c
->inv_w
[2] = brw_vec1_grf(2, 5);
251 for (i
= 0; i
< c
->nr_verts
; i
++) {
252 c
->vert
[i
] = brw_vec8_grf(reg
, 0);
253 reg
+= c
->nr_attr_regs
;
256 /* Temporaries, allocated after last vertex reg.
258 c
->inv_det
= brw_vec1_grf(reg
, 0); reg
++;
259 c
->a1_sub_a0
= brw_vec8_grf(reg
, 0); reg
++;
260 c
->a2_sub_a0
= brw_vec8_grf(reg
, 0); reg
++;
261 c
->tmp
= brw_vec8_grf(reg
, 0); reg
++;
263 /* Note grf allocation:
265 c
->prog_data
.total_grf
= reg
;
268 /* Outputs of this program - interpolation coefficients for
271 c
->m1Cx
= brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE
, 1, 0);
272 c
->m2Cy
= brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE
, 2, 0);
273 c
->m3C0
= brw_vec8_reg(BRW_MESSAGE_REGISTER_FILE
, 3, 0);
277 static void copy_z_inv_w( struct brw_sf_compile
*c
)
279 struct brw_compile
*p
= &c
->func
;
282 brw_push_insn_state(p
);
284 /* Copy both scalars with a single MOV:
286 for (i
= 0; i
< c
->nr_verts
; i
++)
287 brw_MOV(p
, vec2(suboffset(c
->vert
[i
], 2)), vec2(c
->z
[i
]));
289 brw_pop_insn_state(p
);
293 static void invert_det( struct brw_sf_compile
*c
)
295 /* Looks like we invert all 8 elements just to get 1/det in
300 BRW_MATH_FUNCTION_INV
,
301 BRW_MATH_SATURATE_NONE
,
304 BRW_MATH_DATA_SCALAR
,
305 BRW_MATH_PRECISION_FULL
);
310 static GLboolean
calculate_masks( struct brw_sf_compile
*c
,
316 GLboolean is_last_attr
= (reg
== c
->nr_setup_regs
- 1);
317 GLbitfield64 persp_mask
;
318 GLbitfield64 linear_mask
;
320 if (c
->key
.do_flat_shading
|| c
->key
.linear_color
)
321 persp_mask
= c
->key
.attrs
& ~(FRAG_BIT_WPOS
|
325 persp_mask
= c
->key
.attrs
& ~(FRAG_BIT_WPOS
);
327 if (c
->key
.do_flat_shading
)
328 linear_mask
= c
->key
.attrs
& ~(FRAG_BIT_COL0
|FRAG_BIT_COL1
);
330 linear_mask
= c
->key
.attrs
;
336 if (persp_mask
& BITFIELD64_BIT(c
->idx_to_attr
[reg
*2]))
339 if (linear_mask
& BITFIELD64_BIT(c
->idx_to_attr
[reg
*2]))
342 /* Maybe only processs one attribute on the final round:
344 if (reg
*2+1 < c
->nr_setup_attrs
) {
347 if (persp_mask
& BITFIELD64_BIT(c
->idx_to_attr
[reg
*2+1]))
350 if (linear_mask
& BITFIELD64_BIT(c
->idx_to_attr
[reg
*2+1]))
357 /* Calculates the predicate control for which channels of a reg
358 * (containing 2 attrs) to do point sprite coordinate replacement on.
361 calculate_point_sprite_mask(struct brw_sf_compile
*c
, GLuint reg
)
366 attr1
= c
->idx_to_attr
[reg
* 2];
367 if (attr1
>= VERT_RESULT_TEX0
&& attr1
<= VERT_RESULT_TEX7
) {
368 if (c
->key
.point_sprite_coord_replace
& (1 << (attr1
- VERT_RESULT_TEX0
)))
372 if (reg
* 2 + 1 < c
->nr_setup_attrs
) {
373 attr2
= c
->idx_to_attr
[reg
* 2 + 1];
374 if (attr2
>= VERT_RESULT_TEX0
&& attr2
<= VERT_RESULT_TEX7
) {
375 if (c
->key
.point_sprite_coord_replace
& (1 << (attr2
-
386 void brw_emit_tri_setup( struct brw_sf_compile
*c
, GLboolean allocate
)
388 struct brw_compile
*p
= &c
->func
;
399 if (c
->key
.do_twoside_color
)
402 if (c
->key
.do_flat_shading
)
403 do_flatshade_triangle(c
);
406 for (i
= 0; i
< c
->nr_setup_regs
; i
++)
408 /* Pair of incoming attributes:
410 struct brw_reg a0
= offset(c
->vert
[0], i
);
411 struct brw_reg a1
= offset(c
->vert
[1], i
);
412 struct brw_reg a2
= offset(c
->vert
[2], i
);
413 GLushort pc
, pc_persp
, pc_linear
;
414 GLboolean last
= calculate_masks(c
, i
, &pc
, &pc_persp
, &pc_linear
);
418 brw_set_predicate_control_flag_value(p
, pc_persp
);
419 brw_MUL(p
, a0
, a0
, c
->inv_w
[0]);
420 brw_MUL(p
, a1
, a1
, c
->inv_w
[1]);
421 brw_MUL(p
, a2
, a2
, c
->inv_w
[2]);
425 /* Calculate coefficients for interpolated values:
429 brw_set_predicate_control_flag_value(p
, pc_linear
);
431 brw_ADD(p
, c
->a1_sub_a0
, a1
, negate(a0
));
432 brw_ADD(p
, c
->a2_sub_a0
, a2
, negate(a0
));
436 brw_MUL(p
, brw_null_reg(), c
->a1_sub_a0
, c
->dy2
);
437 brw_MAC(p
, c
->tmp
, c
->a2_sub_a0
, negate(c
->dy0
));
438 brw_MUL(p
, c
->m1Cx
, c
->tmp
, c
->inv_det
);
442 brw_MUL(p
, brw_null_reg(), c
->a2_sub_a0
, c
->dx0
);
443 brw_MAC(p
, c
->tmp
, c
->a1_sub_a0
, negate(c
->dx2
));
444 brw_MUL(p
, c
->m2Cy
, c
->tmp
, c
->inv_det
);
448 brw_set_predicate_control_flag_value(p
, pc
);
449 /* start point for interpolation
451 brw_MOV(p
, c
->m3C0
, a0
);
453 /* Copy m0..m3 to URB. m0 is implicitly copied from r0 in
454 * the send instruction:
459 brw_vec8_grf(0, 0), /* r0, will be copied to m0 */
463 0, /* response len */
465 last
, /* writes complete */
467 BRW_URB_SWIZZLE_TRANSPOSE
); /* XXX: Swizzle control "SF to windower" */
474 void brw_emit_line_setup( struct brw_sf_compile
*c
, GLboolean allocate
)
476 struct brw_compile
*p
= &c
->func
;
488 if (c
->key
.do_flat_shading
)
489 do_flatshade_line(c
);
491 for (i
= 0; i
< c
->nr_setup_regs
; i
++)
493 /* Pair of incoming attributes:
495 struct brw_reg a0
= offset(c
->vert
[0], i
);
496 struct brw_reg a1
= offset(c
->vert
[1], i
);
497 GLushort pc
, pc_persp
, pc_linear
;
498 GLboolean last
= calculate_masks(c
, i
, &pc
, &pc_persp
, &pc_linear
);
502 brw_set_predicate_control_flag_value(p
, pc_persp
);
503 brw_MUL(p
, a0
, a0
, c
->inv_w
[0]);
504 brw_MUL(p
, a1
, a1
, c
->inv_w
[1]);
507 /* Calculate coefficients for position, color:
510 brw_set_predicate_control_flag_value(p
, pc_linear
);
512 brw_ADD(p
, c
->a1_sub_a0
, a1
, negate(a0
));
514 brw_MUL(p
, c
->tmp
, c
->a1_sub_a0
, c
->dx0
);
515 brw_MUL(p
, c
->m1Cx
, c
->tmp
, c
->inv_det
);
517 brw_MUL(p
, c
->tmp
, c
->a1_sub_a0
, c
->dy0
);
518 brw_MUL(p
, c
->m2Cy
, c
->tmp
, c
->inv_det
);
522 brw_set_predicate_control_flag_value(p
, pc
);
524 /* start point for interpolation
526 brw_MOV(p
, c
->m3C0
, a0
);
528 /* Copy m0..m3 to URB.
537 0, /* response len */
539 last
, /* writes complete */
540 i
*4, /* urb destination offset */
541 BRW_URB_SWIZZLE_TRANSPOSE
);
546 void brw_emit_point_sprite_setup( struct brw_sf_compile
*c
, GLboolean allocate
)
548 struct brw_compile
*p
= &c
->func
;
557 for (i
= 0; i
< c
->nr_setup_regs
; i
++)
559 struct brw_reg a0
= offset(c
->vert
[0], i
);
560 GLushort pc
, pc_persp
, pc_linear
, pc_coord_replace
;
561 GLboolean last
= calculate_masks(c
, i
, &pc
, &pc_persp
, &pc_linear
);
563 pc_coord_replace
= calculate_point_sprite_mask(c
, i
);
564 pc_persp
&= ~pc_coord_replace
;
567 brw_set_predicate_control_flag_value(p
, pc_persp
);
568 brw_MUL(p
, a0
, a0
, c
->inv_w
[0]);
571 /* Point sprite coordinate replacement: A texcoord with this
572 * enabled gets replaced with the value (x, y, 0, 1) where x and
573 * y vary from 0 to 1 across the horizontal and vertical of the
576 if (pc_coord_replace
) {
577 brw_set_predicate_control_flag_value(p
, pc_coord_replace
);
578 /* Caculate 1.0/PointWidth */
581 BRW_MATH_FUNCTION_INV
,
582 BRW_MATH_SATURATE_NONE
,
585 BRW_MATH_DATA_SCALAR
,
586 BRW_MATH_PRECISION_FULL
);
588 brw_set_access_mode(p
, BRW_ALIGN_16
);
591 brw_MOV(p
, c
->m1Cx
, brw_imm_f(0.0));
592 brw_MOV(p
, c
->m2Cy
, brw_imm_f(0.0));
593 brw_MOV(p
, brw_writemask(c
->m1Cx
, WRITEMASK_X
), c
->tmp
);
594 if (c
->key
.sprite_origin_lower_left
) {
595 brw_MOV(p
, brw_writemask(c
->m2Cy
, WRITEMASK_Y
), negate(c
->tmp
));
597 brw_MOV(p
, brw_writemask(c
->m2Cy
, WRITEMASK_Y
), c
->tmp
);
600 /* attribute constant offset */
601 brw_MOV(p
, c
->m3C0
, brw_imm_f(0.0));
602 if (c
->key
.sprite_origin_lower_left
) {
603 brw_MOV(p
, brw_writemask(c
->m3C0
, WRITEMASK_YW
), brw_imm_f(1.0));
605 brw_MOV(p
, brw_writemask(c
->m3C0
, WRITEMASK_W
), brw_imm_f(1.0));
608 brw_set_access_mode(p
, BRW_ALIGN_1
);
611 if (pc
& ~pc_coord_replace
) {
612 brw_set_predicate_control_flag_value(p
, pc
& ~pc_coord_replace
);
613 brw_MOV(p
, c
->m1Cx
, brw_imm_ud(0));
614 brw_MOV(p
, c
->m2Cy
, brw_imm_ud(0));
615 brw_MOV(p
, c
->m3C0
, a0
); /* constant value */
619 brw_set_predicate_control_flag_value(p
, pc
);
620 /* Copy m0..m3 to URB. */
628 0, /* response len */
630 last
, /* writes complete */
631 i
*4, /* urb destination offset */
632 BRW_URB_SWIZZLE_TRANSPOSE
);
636 /* Points setup - several simplifications as all attributes are
637 * constant across the face of the point (point sprites excluded!)
639 void brw_emit_point_setup( struct brw_sf_compile
*c
, GLboolean allocate
)
641 struct brw_compile
*p
= &c
->func
;
651 brw_MOV(p
, c
->m1Cx
, brw_imm_ud(0)); /* zero - move out of loop */
652 brw_MOV(p
, c
->m2Cy
, brw_imm_ud(0)); /* zero - move out of loop */
654 for (i
= 0; i
< c
->nr_setup_regs
; i
++)
656 struct brw_reg a0
= offset(c
->vert
[0], i
);
657 GLushort pc
, pc_persp
, pc_linear
;
658 GLboolean last
= calculate_masks(c
, i
, &pc
, &pc_persp
, &pc_linear
);
662 /* This seems odd as the values are all constant, but the
663 * fragment shader will be expecting it:
665 brw_set_predicate_control_flag_value(p
, pc_persp
);
666 brw_MUL(p
, a0
, a0
, c
->inv_w
[0]);
670 /* The delta values are always zero, just send the starting
671 * coordinate. Again, this is to fit in with the interpolation
672 * code in the fragment shader.
675 brw_set_predicate_control_flag_value(p
, pc
);
677 brw_MOV(p
, c
->m3C0
, a0
); /* constant value */
679 /* Copy m0..m3 to URB.
688 0, /* response len */
690 last
, /* writes complete */
691 i
*4, /* urb destination offset */
692 BRW_URB_SWIZZLE_TRANSPOSE
);
697 void brw_emit_anyprim_setup( struct brw_sf_compile
*c
)
699 struct brw_compile
*p
= &c
->func
;
700 struct brw_reg ip
= brw_ip_reg();
701 struct brw_reg payload_prim
= brw_uw1_reg(BRW_GENERAL_REGISTER_FILE
, 1, 0);
702 struct brw_reg payload_attr
= get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE
, 1, 0), 0);
703 struct brw_reg primmask
;
704 struct brw_instruction
*jmp
;
705 struct brw_reg v1_null_ud
= vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD
));
712 primmask
= retype(get_element(c
->tmp
, 0), BRW_REGISTER_TYPE_UD
);
714 brw_MOV(p
, primmask
, brw_imm_ud(1));
715 brw_SHL(p
, primmask
, primmask
, payload_prim
);
717 brw_set_conditionalmod(p
, BRW_CONDITIONAL_Z
);
718 brw_AND(p
, v1_null_ud
, primmask
, brw_imm_ud((1<<_3DPRIM_TRILIST
) |
719 (1<<_3DPRIM_TRISTRIP
) |
720 (1<<_3DPRIM_TRIFAN
) |
721 (1<<_3DPRIM_TRISTRIP_REVERSE
) |
722 (1<<_3DPRIM_POLYGON
) |
723 (1<<_3DPRIM_RECTLIST
) |
724 (1<<_3DPRIM_TRIFAN_NOSTIPPLE
)));
725 jmp
= brw_JMPI(p
, ip
, ip
, brw_imm_d(0));
727 saveflag
= p
->flag_value
;
728 brw_push_insn_state(p
);
729 brw_emit_tri_setup( c
, GL_FALSE
);
730 brw_pop_insn_state(p
);
731 p
->flag_value
= saveflag
;
732 /* note - thread killed in subroutine, so must
733 * restore the flag which is changed when building
734 * the subroutine. fix #13240
737 brw_land_fwd_jump(p
, jmp
);
739 brw_set_conditionalmod(p
, BRW_CONDITIONAL_Z
);
740 brw_AND(p
, v1_null_ud
, primmask
, brw_imm_ud((1<<_3DPRIM_LINELIST
) |
741 (1<<_3DPRIM_LINESTRIP
) |
742 (1<<_3DPRIM_LINELOOP
) |
743 (1<<_3DPRIM_LINESTRIP_CONT
) |
744 (1<<_3DPRIM_LINESTRIP_BF
) |
745 (1<<_3DPRIM_LINESTRIP_CONT_BF
)));
746 jmp
= brw_JMPI(p
, ip
, ip
, brw_imm_d(0));
748 saveflag
= p
->flag_value
;
749 brw_push_insn_state(p
);
750 brw_emit_line_setup( c
, GL_FALSE
);
751 brw_pop_insn_state(p
);
752 p
->flag_value
= saveflag
;
753 /* note - thread killed in subroutine */
755 brw_land_fwd_jump(p
, jmp
);
757 brw_set_conditionalmod(p
, BRW_CONDITIONAL_Z
);
758 brw_AND(p
, v1_null_ud
, payload_attr
, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE
));
759 jmp
= brw_JMPI(p
, ip
, ip
, brw_imm_d(0));
761 saveflag
= p
->flag_value
;
762 brw_push_insn_state(p
);
763 brw_emit_point_sprite_setup( c
, GL_FALSE
);
764 brw_pop_insn_state(p
);
765 p
->flag_value
= saveflag
;
767 brw_land_fwd_jump(p
, jmp
);
769 brw_emit_point_setup( c
, GL_FALSE
);