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-rw-r--r--src/broadcom/compiler/nir_to_vir.c34
-rw-r--r--src/broadcom/compiler/v3d_compiler.h3
2 files changed, 12 insertions, 25 deletions
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index 167b80bac93..3b032b704ea 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -1030,12 +1030,6 @@ ntq_emit_alu(struct v3d_compile *c, nir_alu_instr *instr)
static void
emit_frag_end(struct v3d_compile *c)
{
- uint32_t discard_cond = V3D_QPU_COND_NONE;
- if (c->s->info.fs.uses_discard) {
- vir_PF(c, vir_MOV(c, c->discard), V3D_QPU_PF_PUSHZ);
- discard_cond = V3D_QPU_COND_IFA;
- }
-
/* XXX
if (c->output_sample_mask_index != -1) {
vir_MS_MASK(c, c->outputs[c->output_sample_mask_index]);
@@ -1046,7 +1040,6 @@ emit_frag_end(struct v3d_compile *c)
struct qinst *inst = vir_MOV_dest(c,
vir_reg(QFILE_TLBU, 0),
c->outputs[c->output_position_index]);
- vir_set_cond(inst, discard_cond);
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c,
@@ -1057,7 +1050,6 @@ emit_frag_end(struct v3d_compile *c)
struct qinst *inst = vir_MOV_dest(c,
vir_reg(QFILE_TLBU, 0),
vir_reg(QFILE_NULL, 0));
- vir_set_cond(inst, discard_cond);
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c,
@@ -1092,14 +1084,12 @@ emit_frag_end(struct v3d_compile *c)
TLB_VEC_SIZE_MINUS_1_SHIFT);
inst = vir_MOV_dest(c, vir_reg(QFILE_TLBU, 0), color[0]);
- vir_set_cond(inst, discard_cond);
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c, conf);
for (int i = 1; i < num_components; i++) {
inst = vir_MOV_dest(c, vir_reg(QFILE_TLB, 0),
color[i]);
- vir_set_cond(inst, discard_cond);
}
break;
@@ -1129,14 +1119,12 @@ emit_frag_end(struct v3d_compile *c)
if (c->fs_key->f32_color_rb & (1 << rt)) {
inst = vir_MOV_dest(c, vir_reg(QFILE_TLBU, 0), color[0]);
- vir_set_cond(inst, discard_cond);
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c, conf);
for (int i = 1; i < num_components; i++) {
inst = vir_MOV_dest(c, vir_reg(QFILE_TLB, 0),
color[i]);
- vir_set_cond(inst, discard_cond);
}
} else {
inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), r, g);
@@ -1145,10 +1133,8 @@ emit_frag_end(struct v3d_compile *c)
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c, conf);
}
- vir_set_cond(inst, discard_cond);
inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), b, a);
- vir_set_cond(inst, discard_cond);
}
break;
}
@@ -1665,10 +1651,12 @@ ntq_emit_intrinsic(struct v3d_compile *c, nir_intrinsic_instr *instr)
case nir_intrinsic_discard:
if (c->execute.file != QFILE_NULL) {
vir_PF(c, c->execute, V3D_QPU_PF_PUSHZ);
- vir_MOV_cond(c, V3D_QPU_COND_IFA, c->discard,
- vir_uniform_ui(c, ~0));
+ vir_set_cond(vir_SETMSF_dest(c, vir_reg(QFILE_NULL, 0),
+ vir_uniform_ui(c, 0)),
+ V3D_QPU_COND_IFA);
} else {
- vir_MOV_dest(c, c->discard, vir_uniform_ui(c, ~0));
+ vir_SETMSF_dest(c, vir_reg(QFILE_NULL, 0),
+ vir_uniform_ui(c, 0));
}
break;
@@ -1683,9 +1671,14 @@ ntq_emit_intrinsic(struct v3d_compile *c, nir_intrinsic_instr *instr)
*/
vir_PF(c, vir_AND(c, c->execute, vir_NOT(c, cond)),
V3D_QPU_PF_PUSHZ);
- vir_MOV_cond(c, V3D_QPU_COND_IFA, c->discard, cond);
+ vir_set_cond(vir_SETMSF_dest(c, vir_reg(QFILE_NULL, 0),
+ vir_uniform_ui(c, 0)),
+ V3D_QPU_COND_IFA);
} else {
- vir_OR_dest(c, c->discard, c->discard, cond);
+ vir_PF(c, cond, V3D_QPU_PF_PUSHZ);
+ vir_set_cond(vir_SETMSF_dest(c, vir_reg(QFILE_NULL, 0),
+ vir_uniform_ui(c, 0)),
+ V3D_QPU_COND_IFNA);
}
break;
@@ -1953,9 +1946,6 @@ nir_to_vir(struct v3d_compile *c)
c->payload_w_centroid = vir_MOV(c, vir_reg(QFILE_REG, 1));
c->payload_z = vir_MOV(c, vir_reg(QFILE_REG, 2));
- if (c->s->info.fs.uses_discard)
- c->discard = vir_MOV(c, vir_uniform_ui(c, 0));
-
if (c->fs_key->is_points) {
c->point_x = emit_fragment_varying(c, NULL, 0);
c->point_y = emit_fragment_varying(c, NULL, 0);
diff --git a/src/broadcom/compiler/v3d_compiler.h b/src/broadcom/compiler/v3d_compiler.h
index 08db4fb0e2b..021c88f7b93 100644
--- a/src/broadcom/compiler/v3d_compiler.h
+++ b/src/broadcom/compiler/v3d_compiler.h
@@ -458,9 +458,6 @@ struct v3d_compile {
/* Fragment shader payload regs. */
struct qreg payload_w, payload_w_centroid, payload_z;
- /** boolean (~0 -> true) if the fragment has been discarded. */
- struct qreg discard;
-
uint8_t vattr_sizes[V3D_MAX_VS_INPUTS];
uint32_t num_vpm_writes;