nv50: LRP

diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 843e036..33822a1 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -85,7 +85,7 @@ struct nv50_pc {
        float *immd_buf;
        int immd_nr;
 
-       struct nv50_reg *temp_temp[8];
+       struct nv50_reg *temp_temp[16];
        unsigned temp_temp_nr;
 };
 
@@ -154,7 +154,7 @@ free_temp(struct nv50_pc *pc, struct nv50_reg *r)
 static struct nv50_reg *
 temp_temp(struct nv50_pc *pc)
 {
-       if (pc->temp_temp_nr >= 8)
+       if (pc->temp_temp_nr >= 16)
                assert(0);
 
        pc->temp_temp[pc->temp_temp_nr] = alloc_temp(pc, NULL);
@@ -966,6 +966,18 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
                        emit_flop(pc, 3, dst[c], src[0][c]);
                }
                break;
+       case TGSI_OPCODE_LRP:
+               for (c = 0; c < 4; c++) {
+                       if (!(mask & (1 << c)))
+                               continue;
+                       /*XXX: we can do better than this */
+                       temp = alloc_temp(pc, NULL);
+                       emit_neg(pc, temp, src[0][c]);
+                       emit_mad(pc, temp, temp, src[2][c], src[2][c]);
+                       emit_mad(pc, dst[c], src[0][c], src[1][c], temp);
+                       free_temp(pc, temp);
+               }
+               break;
        case TGSI_OPCODE_MAD:
                for (c = 0; c < 4; c++) {
                        if (!(mask & (1 << c)))