From 4bc74a07561eeaa97dbde55c384998ea6aa5968c Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 17 Jun 2009 13:51:35 -0600 Subject: [PATCH] glsl: don't unroll loops containing continue/break Just search the AST in _slang_can_unroll_for_loop(). --- src/mesa/shader/slang/slang_codegen.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index f19da41b0d6..f6274780ad6 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -2488,6 +2488,12 @@ _slang_can_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper) assert(oper->type == SLANG_OPER_FOR); assert(oper->num_children == 4); + if (_slang_find_node_type((slang_operation *) oper, SLANG_OPER_CONTINUE) || + _slang_find_node_type((slang_operation *) oper, SLANG_OPER_BREAK)) { + /* dont't unroll loops containing continue/break statements */ + return GL_FALSE; + } + /* children[0] must be either "int i=constant" or "i=constant" */ if (oper->children[0].type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) { slang_variable *var; -- 2.30.2