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nv50: simplify emit_interp a bit

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This commit is contained in:
Ben Skeggs
2008-06-18 13:23:00 +10:00
parent 714cb4a86c
commit 5a3ea9ee59
1 changed files with 11 additions and 10 deletions
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src/gallium/drivers/nv50/nv50_program.c
+11 -10
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@@ -302,18 +302,19 @@ set_immd(struct nv50_pc *pc, struct nv50_reg *imm, struct nv50_program_exec *e)
static void
emit_interp(struct nv50_pc *pc, struct nv50_reg *dst,
struct nv50_reg *src, struct nv50_reg *iv, boolean noperspective)
struct nv50_reg *src, struct nv50_reg *iv)
{
struct nv50_program_exec *e = exec(pc);
e->inst[0] |= 0x80000000;
set_dst(pc, dst, e);
alloc_reg(pc, iv);
e->inst[0] |= (iv->hw << 9);
alloc_reg(pc, src);
e->inst[0] |= (src->hw << 16);
if (noperspective)
if (iv) {
e->inst[0] |= (1 << 25);
alloc_reg(pc, iv);
e->inst[0] |= (iv->hw << 9);
}
emit(pc, e);
}
@@ -1147,7 +1148,7 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
emit_mov(pc, t1, src[0][1]);
e = exec(pc);
e->inst[0] = 0xf0400000;
e->inst[0] = 0xf6400000;
set_long(pc, e);
e->inst[1] |= 0x0000c004;
set_dst(pc, t0, e);
@@ -1302,7 +1303,7 @@ nv50_program_tx_prep(struct nv50_pc *pc)
if (pc->p->type == PIPE_SHADER_FRAGMENT) {
iv = alloc_temp(pc, NULL);
emit_interp(pc, iv, iv, iv, FALSE);
emit_interp(pc, iv, iv, NULL);
emit_flop(pc, 0, iv, iv);
aid++;
}
@@ -1329,10 +1330,10 @@ nv50_program_tx_prep(struct nv50_pc *pc)
if (pc->p->type != PIPE_SHADER_FRAGMENT)
continue;
emit_interp(pc, &a[0], &a[0], iv, TRUE);
emit_interp(pc, &a[1], &a[1], iv, TRUE);
emit_interp(pc, &a[2], &a[2], iv, TRUE);
emit_interp(pc, &a[3], &a[3], iv, TRUE);
emit_interp(pc, &a[0], &a[0], iv);
emit_interp(pc, &a[1], &a[1], iv);
emit_interp(pc, &a[2], &a[2], iv);
emit_interp(pc, &a[3], &a[3], iv);
}
if (iv)