src/gallium/drivers/r600/sfn/sfn_value_gpr.h

   1 /* -*- mesa-c++  -*-
   2  *
   3  * Copyright (c) 2019 Collabora LTD
   4  *
   5  * Author: Gert Wollny <gert.wollny@collabora.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * on the rights to use, copy, modify, merge, publish, distribute, sub
  11  * license, and/or sell copies of the Software, and to permit persons to whom
  12  * the Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef SFN_GPRARRAY_H
  28 #define SFN_GPRARRAY_H
  29
  30 #include "sfn_value.h"
  31 #include <vector>
  32 #include <array>
  33
  34 namespace r600 {
  35
  36 class ValuePool;
  37 class ValueMap;
  38 class LiverangeEvaluator;
  39
  40 class GPRValue : public Value {
  41 public:
  42    GPRValue() = default;
  43    GPRValue(GPRValue&& orig) = default;
  44    GPRValue(const GPRValue& orig) = default;
  45
  46    GPRValue(uint32_t sel, uint32_t chan, int base_offset);
  47
  48    GPRValue(uint32_t sel, uint32_t chan);
  49
  50    GPRValue& operator = (const GPRValue& orig) = default;
  51    GPRValue& operator = (GPRValue&& orig) = default;
  52
  53    uint32_t sel() const override final;
  54
  55    void set_as_input(){ m_input = true; }
  56    bool is_input() const {return  m_input; }
  57    void set_pin_to_channel() { m_pin_to_channel = true;}
  58    bool pin_to_channel()  const { return m_pin_to_channel;}
  59
  60 private:
  61    void do_print(std::ostream& os) const override;
  62    void do_print(std::ostream& os, const PrintFlags& flags) const override;
  63    bool is_equal_to(const Value& other) const override;
  64    uint32_t m_sel;
  65    bool m_base_offset;
  66    bool m_input;
  67    bool m_pin_to_channel;
  68 };
  69
  70 class GPRVector : public Value {
  71 public:
  72    using Swizzle = std::array<uint32_t,4>;
  73    using Values = std::array<PValue,4>;
  74    GPRVector() = default;
  75    GPRVector(GPRVector&& orig) = default;
  76    GPRVector(const GPRVector& orig);
  77
  78    GPRVector(const GPRVector& orig, const std::array<uint8_t, 4>& swizzle);
  79    GPRVector(std::array<PValue,4> elms);
  80    GPRVector(uint32_t sel, std::array<uint32_t,4> swizzle);
  81
  82    GPRVector& operator = (const GPRVector& orig) = default;
  83    GPRVector& operator = (GPRVector&& orig) = default;
  84
  85    void swizzle(const Swizzle& swz);
  86
  87    uint32_t sel() const override final;
  88
  89    void set_reg_i(int i, PValue reg);
  90
  91    unsigned chan_i(int i) const {return m_elms[i]->chan();}
  92    PValue reg_i(int i) const {return m_elms[i];}
  93    PValue operator [] (int i) const {return m_elms[i];}
  94    PValue& operator [] (int i) {return m_elms[i];}
  95
  96    void pin_to_channel(int i);
  97
  98    PValue x() const {return m_elms[0];}
  99    PValue y() const {return m_elms[1];}
 100    PValue z() const {return m_elms[2];}
 101    PValue w() const {return m_elms[3];}
 102
 103
 104 private:
 105    void do_print(std::ostream& os) const override;
 106    bool is_equal_to(const Value& other) const override;
 107    void validate() const;
 108
 109    Values m_elms;
 110    mutable bool m_valid;
 111 };
 112
 113
 114 class GPRArray : public Value
 115 {
 116 public:
 117    using Pointer = std::shared_ptr<GPRArray>;
 118
 119    GPRArray(int base, int size, int comp_mask, int frac);
 120
 121    uint32_t sel() const override;
 122
 123    size_t size() const {return m_values.size();}
 124
 125    PValue get_indirect(unsigned index, PValue indirect, unsigned component);
 126
 127    void record_read(LiverangeEvaluator& ev, int chan)const;
 128    void record_write(LiverangeEvaluator& ev, int chan)const;
 129
 130    void collect_registers(ValueMap& output) const;
 131
 132 private:
 133    void do_print(std::ostream& os) const override;
 134
 135    bool is_equal_to(const Value& other) const override;
 136
 137    int m_base_index;
 138    int m_component_mask;
 139    int m_frac;
 140
 141    std::vector<GPRVector> m_values;
 142 };
 143
 144 using PGPRArray = GPRArray::Pointer;
 145
 146 class GPRArrayValue :public Value {
 147 public:
 148    GPRArrayValue(PValue value, GPRArray *array);
 149    GPRArrayValue(PValue value, PValue index, GPRArray *array);
 150
 151    void record_read(LiverangeEvaluator& ev) const;
 152    void record_write(LiverangeEvaluator& ev) const;
 153
 154    size_t array_size() const;
 155    uint32_t sel() const override;
 156
 157    PValue value() {return m_value;}
 158
 159    void reset_value(PValue new_value);
 160    void reset_addr(PValue new_addr);
 161
 162    Value::Pointer indirect() const {return m_addr;}
 163
 164 private:
 165
 166    void do_print(std::ostream& os) const override;
 167
 168    bool is_equal_to(const Value& other) const override;
 169
 170    PValue m_value;
 171    PValue m_addr;
 172    GPRArray *m_array;
 173 };
 174
 175 inline size_t GPRArrayValue::array_size() const
 176 {
 177    return m_array->size();
 178 }
 179
 180 inline GPRVector::Swizzle swizzle_from_mask(unsigned ncomp)
 181 {
 182    GPRVector::Swizzle swz = {0,1,2,3};
 183    for (int i = ncomp; i < 4; ++i)
 184       swz[i] = 7;
 185    return swz;
 186 }
 187
 188
 189 }
 190
 191 #endif // SFN_GPRARRAY_H