From 192b7bc706f0d014ecea1843230a4b1adbe2a45b Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Wed, 18 Mar 2009 21:40:03 +0000 Subject: Revert "slang: if we detect an if/break or if/continue within a loop and we're" This reverts commit 752296b8f311c5e3844f3ce89d17ba57224ce5ba. --- src/mesa/shader/slang/slang_codegen.c | 45 +++++++++++++---------------------- 1 file changed, 17 insertions(+), 28 deletions(-) (limited to 'src/mesa/shader/slang/slang_codegen.c') diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index d5d0c2d45f..753e5c45c4 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -718,23 +718,6 @@ new_var(slang_assemble_ctx *A, slang_variable *var) } -/** - * Determine if the given operation is of a specific type. - */ -static GLboolean -is_operation_type(const slang_operation *oper, slang_operation_type type) -{ - if (oper->type == type) - return GL_TRUE; - else if ((oper->type == SLANG_OPER_BLOCK_NEW_SCOPE || - oper->type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) && - oper->num_children == 1) - return is_operation_type(&oper->children[0], type); - else - return GL_FALSE; -} - - /** * Check if the given function is really just a wrapper for a * basic assembly instruction. @@ -2636,17 +2619,6 @@ _slang_unroll_for_loop(slang_assemble_ctx * A, const slang_operation *oper) if (!slang_operation_copy(body, &oper->children[3])) return NULL; - /* - * If we detect an if/break or if/continue lets do the real loop - * and forget unrolling. - */ - if (body->children[1].type == SLANG_OPER_IF) { - if (is_operation_type(&body->children[1].children[1], SLANG_OPER_BREAK)) - return NULL; - if (is_operation_type(&body->children[1].children[1], SLANG_OPER_CONTINUE)) - return NULL; - } - /* in body, replace instances of 'varId' with literal 'iter' */ { slang_variable *oldVar; @@ -2746,6 +2718,23 @@ _slang_gen_continue(slang_assemble_ctx * A, const slang_operation *oper) } +/** + * Determine if the given operation is of a specific type. + */ +static GLboolean +is_operation_type(const slang_operation *oper, slang_operation_type type) +{ + if (oper->type == type) + return GL_TRUE; + else if ((oper->type == SLANG_OPER_BLOCK_NEW_SCOPE || + oper->type == SLANG_OPER_BLOCK_NO_NEW_SCOPE) && + oper->num_children == 1) + return is_operation_type(&oper->children[0], type); + else + return GL_FALSE; +} + + /** * Generate IR tree for an if/then/else conditional using high-level * IR_IF instruction. -- cgit v1.2.3