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path: root/src/gallium/drivers/nv50/nv50_program.c
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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c58
1 files changed, 42 insertions, 16 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index acd695b39b..e74a526c62 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -95,6 +95,8 @@ struct nv50_reg {
int vtx; /* vertex index, for GP inputs (TGSI Dimension.Index) */
int indirect[2]; /* index into pc->addr, or -1 */
+
+ ubyte buf_index; /* c{0 .. 15}[] or g{0 .. 15}[] */
};
#define NV50_MOD_NEG 1
@@ -188,6 +190,7 @@ ctor_reg(struct nv50_reg *reg, unsigned type, int index, int hw)
reg->vtx = -1;
reg->acc = 0;
reg->indirect[0] = reg->indirect[1] = -1;
+ reg->buf_index = (type == P_CONST) ? 1 : 0;
}
static INLINE unsigned
@@ -474,6 +477,12 @@ is_join(struct nv50_program_exec *e)
return FALSE;
}
+static INLINE boolean
+is_control_flow(struct nv50_program_exec *e)
+{
+ return (e->inst[0] & 2);
+}
+
static INLINE void
set_pred(struct nv50_pc *pc, unsigned pred, unsigned idx,
struct nv50_program_exec *e)
@@ -631,7 +640,7 @@ set_data(struct nv50_pc *pc, struct nv50_reg *src, unsigned m, unsigned s,
set_addr(e, pc->addr[src->indirect[0]]);
}
- e->inst[1] |= (((src->type == P_IMMD) ? 0 : 1) << 22);
+ e->inst[1] |= (src->buf_index << 22);
}
/* Never apply nv50_reg::mod in emit_mov, or carefully check the code !!! */
@@ -3163,7 +3172,9 @@ nv50_program_tx_insn(struct nv50_pc *pc,
if (!is_long(pc->p->exec_tail))
convert_to_long(pc, pc->p->exec_tail);
else
- if (is_immd(pc->p->exec_tail) || is_join(pc->p->exec_tail))
+ if (is_immd(pc->p->exec_tail) ||
+ is_join(pc->p->exec_tail) ||
+ is_control_flow(pc->p->exec_tail))
emit_nop(pc);
pc->p->exec_tail->inst[1] |= 1; /* set exit bit */
@@ -3272,7 +3283,7 @@ prep_inspect_insn(struct nv50_pc *pc, const struct tgsi_full_instruction *insn)
static unsigned
nv50_revdep_reorder(unsigned m[4], unsigned rdep[4])
{
- unsigned i, c, x, unsafe;
+ unsigned i, c, x, unsafe = 0;
for (c = 0; c < 4; c++)
m[c] = c;
@@ -3483,6 +3494,19 @@ load_frontfacing(struct nv50_pc *pc, struct nv50_reg *sv)
}
static void
+load_instance_id(struct nv50_pc *pc, unsigned index)
+{
+ struct nv50_reg reg, mem;
+
+ ctor_reg(&reg, P_TEMP, -1, -1);
+ ctor_reg(&mem, P_CONST, -1, 24); /* startInstance */
+ mem.buf_index = 2;
+
+ emit_add_b32(pc, &reg, &pc->sysval[index], &mem);
+ pc->sysval[index] = reg;
+}
+
+static void
copy_semantic_info(struct nv50_program *p)
{
unsigned i, id;
@@ -3668,8 +3692,10 @@ nv50_program_tx_prep(struct nv50_pc *pc)
}
if (p->cfg.regs[0] & (1 << 0))
pc->sysval[vertex_id].hw = rid++;
- if (p->cfg.regs[0] & (1 << 4))
+ if (p->cfg.regs[0] & (1 << 4)) {
pc->sysval[instance_id].hw = rid++;
+ load_instance_id(pc, instance_id);
+ }
}
for (i = 0, rid = 0; i < pc->result_nr; ++i) {
@@ -3702,13 +3728,21 @@ nv50_program_tx_prep(struct nv50_pc *pc)
copy_semantic_info(p);
} else
if (p->type == PIPE_SHADER_FRAGMENT) {
- int rid, aid, base;
+ int rid, aid;
unsigned n = 0, m = pc->attr_nr - flat_nr;
pc->allow32 = TRUE;
- base = (TGSI_SEMANTIC_POSITION ==
- p->info.input_semantic_name[0]) ? 0 : 1;
+ /* do we read FragCoord ? */
+ if (pc->attr_nr &&
+ p->info.input_semantic_name[0] == TGSI_SEMANTIC_POSITION) {
+ /* select FCRD components we want accessible */
+ for (c = 0; c < 4; ++c)
+ if (pc->attr[c].acc)
+ p->cfg.regs[1] |= 1 << (24 + c);
+ aid = 0;
+ } else /* offset by 1 if FCRD.w is needed for pinterp */
+ aid = popcnt4(p->cfg.regs[1] >> 24);
/* non-flat interpolants have to be mapped to
* the lower hardware IDs, so sort them:
@@ -3724,12 +3758,6 @@ nv50_program_tx_prep(struct nv50_pc *pc)
}
copy_semantic_info(p);
- if (!base) /* set w-coordinate mask from perspective interp */
- p->cfg.in[0].mask |= p->cfg.regs[1] >> 24;
-
- aid = popcnt4( /* if fcrd isn't contained in cfg.io */
- base ? (p->cfg.regs[1] >> 24) : p->cfg.in[0].mask);
-
for (n = 0; n < pc->attr_nr; ++n) {
p->cfg.in[n].hw = rid = aid;
i = p->cfg.in[n].id;
@@ -3751,9 +3779,6 @@ nv50_program_tx_prep(struct nv50_pc *pc)
aid += popcnt4(p->cfg.in[n].mask);
}
- if (!base)
- p->cfg.regs[1] |= p->cfg.in[0].mask << 24;
-
m = popcnt4(p->cfg.regs[1] >> 24);
/* set count of non-position inputs and of non-flat
@@ -4641,6 +4666,7 @@ nv50_program_destroy(struct nv50_context *nv50, struct nv50_program *p)
nouveau_bo_ref(NULL, &p->bo);
+ FREE(p->immd);
nouveau_resource_free(&p->data[0]);
p->translated = 0;