/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
-
+
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
-
+
The above copyright notice and this permission notice (including the
next paragraph) shall be included in all copies or substantial
portions of the Software.
-
+
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+
**********************************************************************/
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
-
-#include "main/glheader.h"
+
#include "main/macros.h"
#include "main/enums.h"
return (c->key.attrs & BITFIELD64_BIT(attr)) ? 1 : 0;
}
-/***********************************************************************
+/***********************************************************************
* Twoside lighting
*/
static void copy_bfc( struct brw_sf_compile *c,
struct brw_reg vert )
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
for (i = 0; i < 2; i++) {
if (have_attr(c, VARYING_SLOT_COL0+i) &&
have_attr(c, VARYING_SLOT_BFC0+i))
- brw_MOV(p,
+ brw_MOV(p,
get_varying(c, vert, VARYING_SLOT_COL0+i),
get_varying(c, vert, VARYING_SLOT_BFC0+i));
}
static void do_twoside_color( struct brw_sf_compile *c )
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint backface_conditional = c->key.frontface_ccw ? BRW_CONDITIONAL_G : BRW_CONDITIONAL_L;
/* Already done in clip program:
* we run with NoMask, so it's not an option and we can use
* BRW_EXECUTE_1 for all comparisions.
*/
- brw_push_insn_state(p);
brw_CMP(p, vec4(brw_null_reg()), backface_conditional, c->det, brw_imm_f(0));
brw_IF(p, BRW_EXECUTE_4);
{
}
}
brw_ENDIF(p);
- brw_pop_insn_state(p);
}
struct brw_reg dst,
struct brw_reg src)
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
int i;
for (i = 0; i < c->vue_map.num_slots; i++) {
*/
static void do_flatshade_triangle( struct brw_sf_compile *c )
{
- struct brw_compile *p = &c->func;
- struct brw_context *brw = p->brw;
- struct brw_reg ip = brw_ip_reg();
+ struct brw_codegen *p = &c->func;
GLuint nr;
GLuint jmpi = 1;
if (c->key.primitive == SF_UNFILLED_TRIS)
return;
- if (brw->gen == 5)
+ if (p->devinfo->gen == 5)
jmpi = 2;
nr = count_flatshaded_attributes(c);
- brw_push_insn_state(p);
-
brw_MUL(p, c->pv, c->pv, brw_imm_d(jmpi*(nr*2+1)));
- brw_JMPI(p, ip, ip, c->pv);
+ brw_JMPI(p, c->pv, BRW_PREDICATE_NONE);
copy_flatshaded_attributes(c, c->vert[1], c->vert[0]);
copy_flatshaded_attributes(c, c->vert[2], c->vert[0]);
- brw_JMPI(p, ip, ip, brw_imm_d(jmpi*(nr*4+1)));
+ brw_JMPI(p, brw_imm_d(jmpi*(nr*4+1)), BRW_PREDICATE_NONE);
copy_flatshaded_attributes(c, c->vert[0], c->vert[1]);
copy_flatshaded_attributes(c, c->vert[2], c->vert[1]);
- brw_JMPI(p, ip, ip, brw_imm_d(jmpi*nr*2));
+ brw_JMPI(p, brw_imm_d(jmpi*nr*2), BRW_PREDICATE_NONE);
copy_flatshaded_attributes(c, c->vert[0], c->vert[2]);
copy_flatshaded_attributes(c, c->vert[1], c->vert[2]);
-
- brw_pop_insn_state(p);
}
-
+
static void do_flatshade_line( struct brw_sf_compile *c )
{
- struct brw_compile *p = &c->func;
- struct brw_context *brw = p->brw;
- struct brw_reg ip = brw_ip_reg();
+ struct brw_codegen *p = &c->func;
GLuint nr;
GLuint jmpi = 1;
- /* Already done in clip program:
+ /* Already done in clip program:
*/
if (c->key.primitive == SF_UNFILLED_TRIS)
return;
- if (brw->gen == 5)
+ if (p->devinfo->gen == 5)
jmpi = 2;
nr = count_flatshaded_attributes(c);
- brw_push_insn_state(p);
-
brw_MUL(p, c->pv, c->pv, brw_imm_d(jmpi*(nr+1)));
- brw_JMPI(p, ip, ip, c->pv);
+ brw_JMPI(p, c->pv, BRW_PREDICATE_NONE);
copy_flatshaded_attributes(c, c->vert[1], c->vert[0]);
- brw_JMPI(p, ip, ip, brw_imm_ud(jmpi*nr));
+ brw_JMPI(p, brw_imm_ud(jmpi*nr), BRW_PREDICATE_NONE);
copy_flatshaded_attributes(c, c->vert[0], c->vert[1]);
-
- brw_pop_insn_state(p);
}
-
/***********************************************************************
* Triangle setup.
c->inv_w[1] = brw_vec1_grf(2, 3);
c->z[2] = brw_vec1_grf(2, 4);
c->inv_w[2] = brw_vec1_grf(2, 5);
-
+
/* The vertices:
*/
reg = 3;
/* Note grf allocation:
*/
c->prog_data.total_grf = reg;
-
+
/* Outputs of this program - interpolation coefficients for
* rasterization:
static void copy_z_inv_w( struct brw_sf_compile *c )
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
- brw_push_insn_state(p);
-
/* Copy both scalars with a single MOV:
*/
for (i = 0; i < c->nr_verts; i++)
brw_MOV(p, vec2(suboffset(c->vert[i], 2)), vec2(c->z[i]));
-
- brw_pop_insn_state(p);
}
/* Looks like we invert all 8 elements just to get 1/det in
* position 2 !?!
*/
- brw_math(&c->func,
- c->inv_det,
- BRW_MATH_FUNCTION_INV,
- 0,
- c->det,
- BRW_MATH_DATA_SCALAR,
- BRW_MATH_PRECISION_FULL);
+ gen4_math(&c->func,
+ c->inv_det,
+ BRW_MATH_FUNCTION_INV,
+ 0,
+ c->det,
+ BRW_MATH_PRECISION_FULL);
}
*pc_persp = 0;
*pc_linear = 0;
*pc = 0xf;
-
+
interp = c->key.interpolation_mode.mode[vert_reg_to_vue_slot(c, reg, 0)];
if (interp == INTERP_QUALIFIER_SMOOTH) {
*pc_linear = 0xf;
return pc;
}
+static void
+set_predicate_control_flag_value(struct brw_codegen *p,
+ struct brw_sf_compile *c,
+ unsigned value)
+{
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
+
+ if (value != 0xff) {
+ if (value != c->flag_value) {
+ brw_MOV(p, brw_flag_reg(0, 0), brw_imm_uw(value));
+ c->flag_value = value;
+ }
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NORMAL);
+ }
+}
void brw_emit_tri_setup(struct brw_sf_compile *c, bool allocate)
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
+ c->flag_value = 0xff;
c->nr_verts = 3;
if (allocate)
invert_det(c);
copy_z_inv_w(c);
- if (c->key.do_twoside_color)
+ if (c->key.do_twoside_color)
do_twoside_color(c);
if (c->has_flat_shading)
do_flatshade_triangle(c);
-
-
+
+
for (i = 0; i < c->nr_setup_regs; i++)
{
/* Pair of incoming attributes:
if (pc_persp)
{
- brw_set_predicate_control_flag_value(p, pc_persp);
+ set_predicate_control_flag_value(p, c, pc_persp);
brw_MUL(p, a0, a0, c->inv_w[0]);
brw_MUL(p, a1, a1, c->inv_w[1]);
brw_MUL(p, a2, a2, c->inv_w[2]);
}
-
-
+
+
/* Calculate coefficients for interpolated values:
- */
+ */
if (pc_linear)
{
- brw_set_predicate_control_flag_value(p, pc_linear);
+ set_predicate_control_flag_value(p, c, pc_linear);
brw_ADD(p, c->a1_sub_a0, a1, negate(a0));
brw_ADD(p, c->a2_sub_a0, a2, negate(a0));
brw_MUL(p, brw_null_reg(), c->a1_sub_a0, c->dy2);
brw_MAC(p, c->tmp, c->a2_sub_a0, negate(c->dy0));
brw_MUL(p, c->m1Cx, c->tmp, c->inv_det);
-
+
/* calculate dA/dy
*/
brw_MUL(p, brw_null_reg(), c->a2_sub_a0, c->dx0);
}
{
- brw_set_predicate_control_flag_value(p, pc);
+ set_predicate_control_flag_value(p, c, pc);
/* start point for interpolation
*/
brw_MOV(p, c->m3C0, a0);
-
+
/* Copy m0..m3 to URB. m0 is implicitly copied from r0 in
* the send instruction:
- */
- brw_urb_WRITE(p,
+ */
+ brw_urb_WRITE(p,
brw_null_reg(),
0,
brw_vec8_grf(0, 0), /* r0, will be copied to m0 */
- 0, /* allocate */
- 1, /* used */
+ last ? BRW_URB_WRITE_EOT_COMPLETE
+ : BRW_URB_WRITE_NO_FLAGS,
4, /* msg len */
0, /* response len */
- last, /* eot */
- last, /* writes complete */
i*4, /* offset */
BRW_URB_SWIZZLE_TRANSPOSE); /* XXX: Swizzle control "SF to windower" */
}
}
+
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
}
void brw_emit_line_setup(struct brw_sf_compile *c, bool allocate)
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
-
+ c->flag_value = 0xff;
c->nr_verts = 2;
if (allocate)
if (pc_persp)
{
- brw_set_predicate_control_flag_value(p, pc_persp);
+ set_predicate_control_flag_value(p, c, pc_persp);
brw_MUL(p, a0, a0, c->inv_w[0]);
brw_MUL(p, a1, a1, c->inv_w[1]);
}
/* Calculate coefficients for position, color:
*/
if (pc_linear) {
- brw_set_predicate_control_flag_value(p, pc_linear);
+ set_predicate_control_flag_value(p, c, pc_linear);
brw_ADD(p, c->a1_sub_a0, a1, negate(a0));
- brw_MUL(p, c->tmp, c->a1_sub_a0, c->dx0);
+ brw_MUL(p, c->tmp, c->a1_sub_a0, c->dx0);
brw_MUL(p, c->m1Cx, c->tmp, c->inv_det);
-
+
brw_MUL(p, c->tmp, c->a1_sub_a0, c->dy0);
brw_MUL(p, c->m2Cy, c->tmp, c->inv_det);
}
{
- brw_set_predicate_control_flag_value(p, pc);
+ set_predicate_control_flag_value(p, c, pc);
/* start point for interpolation
*/
brw_MOV(p, c->m3C0, a0);
- /* Copy m0..m3 to URB.
+ /* Copy m0..m3 to URB.
*/
- brw_urb_WRITE(p,
+ brw_urb_WRITE(p,
brw_null_reg(),
0,
brw_vec8_grf(0, 0),
- 0, /* allocate */
- 1, /* used */
+ last ? BRW_URB_WRITE_EOT_COMPLETE
+ : BRW_URB_WRITE_NO_FLAGS,
4, /* msg len */
0, /* response len */
- last, /* eot */
- last, /* writes complete */
i*4, /* urb destination offset */
- BRW_URB_SWIZZLE_TRANSPOSE);
+ BRW_URB_SWIZZLE_TRANSPOSE);
}
- }
+ }
+
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
}
void brw_emit_point_sprite_setup(struct brw_sf_compile *c, bool allocate)
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
+ c->flag_value = 0xff;
c->nr_verts = 1;
if (allocate)
pc_persp &= ~pc_coord_replace;
if (pc_persp) {
- brw_set_predicate_control_flag_value(p, pc_persp);
+ set_predicate_control_flag_value(p, c, pc_persp);
brw_MUL(p, a0, a0, c->inv_w[0]);
}
* point.
*/
if (pc_coord_replace) {
- brw_set_predicate_control_flag_value(p, pc_coord_replace);
+ set_predicate_control_flag_value(p, c, pc_coord_replace);
/* Caculate 1.0/PointWidth */
- brw_math(&c->func,
- c->tmp,
- BRW_MATH_FUNCTION_INV,
- 0,
- c->dx0,
- BRW_MATH_DATA_SCALAR,
- BRW_MATH_PRECISION_FULL);
+ gen4_math(&c->func,
+ c->tmp,
+ BRW_MATH_FUNCTION_INV,
+ 0,
+ c->dx0,
+ BRW_MATH_PRECISION_FULL);
- brw_set_access_mode(p, BRW_ALIGN_16);
+ brw_set_default_access_mode(p, BRW_ALIGN_16);
/* dA/dx, dA/dy */
brw_MOV(p, c->m1Cx, brw_imm_f(0.0));
brw_MOV(p, brw_writemask(c->m3C0, WRITEMASK_W), brw_imm_f(1.0));
}
- brw_set_access_mode(p, BRW_ALIGN_1);
+ brw_set_default_access_mode(p, BRW_ALIGN_1);
}
if (pc & ~pc_coord_replace) {
- brw_set_predicate_control_flag_value(p, pc & ~pc_coord_replace);
+ set_predicate_control_flag_value(p, c, pc & ~pc_coord_replace);
brw_MOV(p, c->m1Cx, brw_imm_ud(0));
brw_MOV(p, c->m2Cy, brw_imm_ud(0));
brw_MOV(p, c->m3C0, a0); /* constant value */
}
- brw_set_predicate_control_flag_value(p, pc);
+ set_predicate_control_flag_value(p, c, pc);
/* Copy m0..m3 to URB. */
brw_urb_WRITE(p,
brw_null_reg(),
0,
brw_vec8_grf(0, 0),
- 0, /* allocate */
- 1, /* used */
+ last ? BRW_URB_WRITE_EOT_COMPLETE
+ : BRW_URB_WRITE_NO_FLAGS,
4, /* msg len */
0, /* response len */
- last, /* eot */
- last, /* writes complete */
i*4, /* urb destination offset */
BRW_URB_SWIZZLE_TRANSPOSE);
}
+
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
}
/* Points setup - several simplifications as all attributes are
*/
void brw_emit_point_setup(struct brw_sf_compile *c, bool allocate)
{
- struct brw_compile *p = &c->func;
+ struct brw_codegen *p = &c->func;
GLuint i;
+ c->flag_value = 0xff;
c->nr_verts = 1;
-
+
if (allocate)
alloc_regs(c);
struct brw_reg a0 = offset(c->vert[0], i);
GLushort pc, pc_persp, pc_linear;
bool last = calculate_masks(c, i, &pc, &pc_persp, &pc_linear);
-
+
if (pc_persp)
- {
+ {
/* This seems odd as the values are all constant, but the
* fragment shader will be expecting it:
*/
- brw_set_predicate_control_flag_value(p, pc_persp);
+ set_predicate_control_flag_value(p, c, pc_persp);
brw_MUL(p, a0, a0, c->inv_w[0]);
}
* code in the fragment shader.
*/
{
- brw_set_predicate_control_flag_value(p, pc);
+ set_predicate_control_flag_value(p, c, pc);
brw_MOV(p, c->m3C0, a0); /* constant value */
- /* Copy m0..m3 to URB.
+ /* Copy m0..m3 to URB.
*/
- brw_urb_WRITE(p,
+ brw_urb_WRITE(p,
brw_null_reg(),
0,
brw_vec8_grf(0, 0),
- 0, /* allocate */
- 1, /* used */
+ last ? BRW_URB_WRITE_EOT_COMPLETE
+ : BRW_URB_WRITE_NO_FLAGS,
4, /* msg len */
0, /* response len */
- last, /* eot */
- last, /* writes complete */
i*4, /* urb destination offset */
BRW_URB_SWIZZLE_TRANSPOSE);
}
}
+
+ brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
}
void brw_emit_anyprim_setup( struct brw_sf_compile *c )
{
- struct brw_compile *p = &c->func;
- struct brw_reg ip = brw_ip_reg();
+ struct brw_codegen *p = &c->func;
struct brw_reg payload_prim = brw_uw1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0);
- struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0);
+ struct brw_reg payload_attr = get_element_ud(brw_vec1_reg(BRW_GENERAL_REGISTER_FILE, 1, 0), 0);
struct brw_reg primmask;
int jmp;
struct brw_reg v1_null_ud = vec1(retype(brw_null_reg(), BRW_REGISTER_TYPE_UD));
-
- GLuint saveflag;
c->nr_verts = 3;
alloc_regs(c);
brw_MOV(p, primmask, brw_imm_ud(1));
brw_SHL(p, primmask, primmask, payload_prim);
- brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_TRILIST) |
(1<<_3DPRIM_TRISTRIP) |
(1<<_3DPRIM_TRIFAN) |
(1<<_3DPRIM_POLYGON) |
(1<<_3DPRIM_RECTLIST) |
(1<<_3DPRIM_TRIFAN_NOSTIPPLE)));
- jmp = brw_JMPI(p, ip, ip, brw_imm_d(0)) - p->store;
- {
- saveflag = p->flag_value;
- brw_push_insn_state(p);
- brw_emit_tri_setup( c, false );
- brw_pop_insn_state(p);
- p->flag_value = saveflag;
- /* note - thread killed in subroutine, so must
- * restore the flag which is changed when building
- * the subroutine. fix #13240
- */
- }
+ brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_Z);
+ jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
+ brw_emit_tri_setup(c, false);
brw_land_fwd_jump(p, jmp);
- brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
brw_AND(p, v1_null_ud, primmask, brw_imm_ud((1<<_3DPRIM_LINELIST) |
(1<<_3DPRIM_LINESTRIP) |
(1<<_3DPRIM_LINELOOP) |
(1<<_3DPRIM_LINESTRIP_CONT) |
(1<<_3DPRIM_LINESTRIP_BF) |
(1<<_3DPRIM_LINESTRIP_CONT_BF)));
- jmp = brw_JMPI(p, ip, ip, brw_imm_d(0)) - p->store;
- {
- saveflag = p->flag_value;
- brw_push_insn_state(p);
- brw_emit_line_setup( c, false );
- brw_pop_insn_state(p);
- p->flag_value = saveflag;
- /* note - thread killed in subroutine */
- }
- brw_land_fwd_jump(p, jmp);
+ brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_Z);
+ jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
+ brw_emit_line_setup(c, false);
+ brw_land_fwd_jump(p, jmp);
- brw_set_conditionalmod(p, BRW_CONDITIONAL_Z);
brw_AND(p, v1_null_ud, payload_attr, brw_imm_ud(1<<BRW_SPRITE_POINT_ENABLE));
- jmp = brw_JMPI(p, ip, ip, brw_imm_d(0)) - p->store;
- {
- saveflag = p->flag_value;
- brw_push_insn_state(p);
- brw_emit_point_sprite_setup( c, false );
- brw_pop_insn_state(p);
- p->flag_value = saveflag;
- }
- brw_land_fwd_jump(p, jmp);
+ brw_inst_set_cond_modifier(p->devinfo, brw_last_inst, BRW_CONDITIONAL_Z);
+ jmp = brw_JMPI(p, brw_imm_d(0), BRW_PREDICATE_NORMAL) - p->store;
+ brw_emit_point_sprite_setup(c, false);
+ brw_land_fwd_jump(p, jmp);
brw_emit_point_setup( c, false );
}