1 files changed, 34 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c
index 049a819..205eecd 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c
@@ -486,3 +486,37 @@ void rc_transform_loops(struct radeon_compiler *c, void *user)
 		}
 	}
 }
+
+void rc_unroll_loops(struct radeon_compiler *c, void *user)
+{
+	struct rc_instruction * inst;
+	struct loop_info loop;
+
+	for(inst = c->Program.Instructions.Next;
+			inst != &c->Program.Instructions; inst = inst->Next) {
+
+		if (inst->U.I.Opcode == RC_OPCODE_BGNLOOP) {
+			if (build_loop_info(c, &loop, inst)) {
+				try_unroll_loop(c, &loop);
+			}
+		}
+	}
+}
+
+void rc_emulate_loops(struct radeon_compiler *c, void *user)
+{
+	struct emulate_loop_state * s = &c->loop_state;
+	int i;
+	/* Iterate backwards of the list of loops so that loops that nested
+	 * loops are unrolled first.
+	 */
+	for( i = s->LoopCount - 1; i >= 0; i-- ){
+		unsigned int iterations;
+
+		if(!s->Loops[i].EndLoop){
+			continue;
+		}
+		iterations = loop_max_possible_iterations(s->C, &s->Loops[i]);
+		unroll_loop(s->C, &s->Loops[i], iterations);
+	}
+}