diff options
author | Brian Paul <brianp@vmware.com> | 2009-06-17 13:51:35 -0600 |
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committer | Brian Paul <brianp@vmware.com> | 2009-06-17 13:51:35 -0600 |
commit | 82eb74d76e7cf66d004e81abe6345803b21685c6 (patch) | |
tree | 61354203c255335d3e6bda8564accbb9a9738096 | |
parent | 8f1e1bc024f6a7c8bda41b18612c7e82563a85e5 (diff) |
glsl: don't unroll loops containing continue/break
Just search the AST in _slang_can_unroll_for_loop().
-rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index f19da41b0d..f6274780ad 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; |