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nv50: delayed write of fragprog result regs until end of program

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This commit is contained in:
Ben Skeggs 2008-06-09 13:07:38 +10:00
parent 34a039ae7b
commit 776e9581d1
1 changed files with 15 additions and 3 deletions
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18
src/gallium/drivers/nv50/nv50_program.c
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@ -27,6 +27,8 @@
*
* FUCK! watch dst==src vectors, can overwrite components that are needed.
* ie. SUB R0, R0.yzxw, R0
*
* NV50_PROG* -> PIPE_SHADER*
*/
struct nv50_reg {
enum {
@ -1198,11 +1200,13 @@ nv50_program_tx_prep(struct nv50_pc *pc)
for (i = 0; i < pc->result_nr; i++) {
for (c = 0; c < 4; c++) {
if (pc->p->type == NV50_PROG_FRAGMENT)
if (pc->p->type == NV50_PROG_FRAGMENT) {
pc->result[i*4+c].type = P_TEMP;
else
pc->result[i*4+c].hw = -1;
} else {
pc->result[i*4+c].type = P_RESULT;
pc->result[i*4+c].hw = rid++;
pc->result[i*4+c].hw = rid++;
}
pc->result[i*4+c].index = i;
}
}
@ -1281,6 +1285,14 @@ nv50_program_tx(struct nv50_program *p)
}
}
if (p->type == NV50_PROG_FRAGMENT) {
struct nv50_reg out;
out.type = P_TEMP;
for (out.hw = 0; out.hw < pc->result_nr * 4; out.hw++)
emit_mov(pc, &out, &pc->result[out.hw]);
}
p->immd_nr = pc->immd_nr * 4;
p->immd = pc->immd_buf;