96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/*
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* Copyright 2013 Vadim Girlin <vadimgirlin@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Vadim Girlin
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*/
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#ifndef SB_EXPR_H_
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#define SB_EXPR_H_
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namespace r600_sb {
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inline float float_clamp(float v) {
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return v < 0.0f ? 0.0f : (v > 1.0f ? 1.0f : v);
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}
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value* get_select_value_for_em(shader &sh, value *em);
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void convert_predset_to_set(shader &sh, alu_node *a);
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unsigned invert_setcc_condition(unsigned cc, bool &swap_args);
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unsigned get_setcc_op(unsigned cc, unsigned cmp_type, bool int_dst);
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unsigned get_predsetcc_op(unsigned cc, unsigned cmp_type);
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unsigned get_killcc_op(unsigned cc, unsigned cmp_type);
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unsigned get_cndcc_op(unsigned cc, unsigned cmp_type);
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void convert_to_mov(alu_node &n, value *src,
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bool neg = false, bool abs = false);
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class expr_handler {
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shader &sh;
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value_table &vt;
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public:
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expr_handler(shader &sh);
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bool equal(value *l, value *r);
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bool defs_equal(value *l, value *r);
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bool args_equal(const vvec &l, const vvec &r);
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bool ops_equal(const alu_node *l, const alu_node *r);
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bool ivars_equal(value *l, value *r);
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value* get_const(const literal &l);
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bool try_fold(value *v);
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bool try_fold(node *n);
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bool fold(node &n);
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bool fold(container_node &n);
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bool fold(alu_node &n);
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bool fold(fetch_node &n);
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bool fold(cf_node &n);
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bool fold_setcc(alu_node &n);
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bool fold_alu_op1(alu_node &n);
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bool fold_alu_op2(alu_node &n);
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bool fold_alu_op3(alu_node &n);
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bool fold_mul_add(alu_node *n);
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bool eval_const_op(unsigned op, literal &r, literal cv0, literal cv1);
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bool fold_assoc(alu_node *n);
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static void apply_alu_src_mod(const bc_alu &bc, unsigned src, literal &v);
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static void apply_alu_dst_mod(const bc_alu &bc, literal &v);
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void assign_source(value *dst, value *src);
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static bool evaluate_condition(unsigned alu_cnd_flags, literal s1,
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literal s2);
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};
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} // namespace r600_sb
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#endif /* SB_EXPR_H_ */
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