Initial support of loop and subroutine instructions.

New high-level flow-control instructions, both at IR level and GPU instructions
for looping and subroutines.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 740360d4603..00231aeae8b 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -675,6 +675,14 @@ execute_program( GLcontext *ctx,
                }
             }
             break;
+         case OPCODE_BGNLOOP: /* begin loop */
+            break;
+         case OPCODE_ENDLOOP: /* end loop */
+            break;
+         case OPCODE_BGNSUB: /* begin subroutine */
+            break;
+         case OPCODE_ENDSUB: /* end subroutine */
+            break;
          case OPCODE_BRA: /* conditional branch */
             {
                /* NOTE: The branch is conditional! */
@@ -692,6 +700,9 @@ execute_program( GLcontext *ctx,
                }
             }
             break;
+         case OPCODE_BRK: /* break out of loop */
+            /* assert inside loop */
+            break;
          case OPCODE_CAL: /* Call subroutine */
             {
                /* NOTE: The call is conditional! */
@@ -722,6 +733,8 @@ execute_program( GLcontext *ctx,
                store_vector4( inst, machine, result );
             }
             break;
+         case OPCODE_CONT: /* continue loop */
+            break;
          case OPCODE_COS:
             {
                GLfloat a[4], result[4];