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glsl: don't unroll loops containing continue/break

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Just search the AST in _slang_can_unroll_for_loop().
This commit is contained in:
Brian Paul
2009-06-17 13:51:35 -06:00
parent 625b0fe268
commit 4bc74a0756
1 changed files with 6 additions and 0 deletions
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6
src/mesa/shader/slang/slang_codegen.c
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@@ -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->type == SLANG_OPER_FOR);
assert(oper->num_children == 4); 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" */ /* children[0] must be either "int i=constant" or "i=constant" */
if (oper->children[0].type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) { if (oper->children[0].type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) {
slang_variable *var; slang_variable *var;