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
  33 namespace r600 {
  34
  35 class ValuePool;
  36 class ValueMap;
  37
  38 class GPRValue : public Value {
  39 public:
  40    GPRValue() = default;
  41    GPRValue(GPRValue&& orig) = default;
  42    GPRValue(const GPRValue& orig) = default;
  43
  44    GPRValue(uint32_t sel, uint32_t chan, int base_offset);
  45
  46    GPRValue(uint32_t sel, uint32_t chan);
  47
  48    GPRValue& operator = (const GPRValue& orig) = default;
  49    GPRValue& operator = (GPRValue&& orig) = default;
  50
  51    uint32_t sel() const override final;
  52
  53    void set_as_input(){ m_input = true; }
  54    bool is_input() const {return  m_input; }
  55    void set_pin_to_channel() { m_pin_to_channel = true;}
  56    bool pin_to_channel()  const { return m_pin_to_channel;}
  57
  58 private:
  59    void do_print(std::ostream& os) const override;
  60    void do_print(std::ostream& os, const PrintFlags& flags) const override;
  61    bool is_equal_to(const Value& other) const override;
  62    uint32_t m_sel;
  63    bool m_base_offset;
  64    bool m_input;
  65    bool m_pin_to_channel;
  66 };
  67
  68 class GPRVector : public Value {
  69 public:
  70    using Swizzle = std::array<uint32_t,4>;
  71    using Values = std::array<PValue,4>;
  72    GPRVector() = default;
  73    GPRVector(GPRVector&& orig) = default;
  74    GPRVector(const GPRVector& orig);
  75
  76    GPRVector(const GPRVector& orig, const std::array<uint8_t, 4>& swizzle);
  77    GPRVector(std::array<PValue,4> elms);
  78    GPRVector(uint32_t sel, std::array<uint32_t,4> swizzle);
  79
  80    GPRVector& operator = (const GPRVector& orig) = default;
  81    GPRVector& operator = (GPRVector&& orig) = default;
  82
  83    void swizzle(const Swizzle& swz);
  84
  85    uint32_t sel() const override final;
  86
  87    void set_reg_i(int i, PValue reg);
  88
  89    unsigned chan_i(int i) const {return m_elms[i]->chan();}
  90    PValue reg_i(int i) const {return m_elms[i];}
  91    PValue operator [] (int i) const {return m_elms[i];}
  92    PValue& operator [] (int i) {return m_elms[i];}
  93
  94
  95    PValue x() const {return m_elms[0];}
  96    PValue y() const {return m_elms[1];}
  97    PValue z() const {return m_elms[2];}
  98    PValue w() const {return m_elms[3];}
  99
 100
 101 private:
 102    void do_print(std::ostream& os) const override;
 103    bool is_equal_to(const Value& other) const override;
 104    void validate() const;
 105
 106    Values m_elms;
 107    mutable bool m_valid;
 108 };
 109
 110
 111 class GPRArray : public Value
 112 {
 113 public:
 114    using Pointer = std::shared_ptr<GPRArray>;
 115
 116    GPRArray(int base, int size, int comp_mask, int frac);
 117
 118    uint32_t sel() const override;
 119
 120    size_t size() const {return m_values.size();}
 121
 122    PValue get_indirect(unsigned index, PValue indirect, unsigned component);
 123
 124    void collect_registers(ValueMap& output) const;
 125
 126 private:
 127    void do_print(std::ostream& os) const override;
 128
 129    bool is_equal_to(const Value& other) const override;
 130
 131    int m_base_index;
 132    int m_component_mask;
 133    int m_frac;
 134
 135    std::vector<GPRVector> m_values;
 136 };
 137
 138 using PGPRArray = GPRArray::Pointer;
 139
 140 class GPRArrayValue :public Value {
 141 public:
 142    GPRArrayValue(PValue value, GPRArray *array);
 143    GPRArrayValue(PValue value, PValue index, GPRArray *array);
 144
 145    size_t array_size() const;
 146    uint32_t sel() const override;
 147
 148    PValue value() {return m_value;}
 149
 150    void reset_value(PValue new_value);
 151    void reset_addr(PValue new_addr);
 152
 153    Value::Pointer indirect() const {return m_addr;}
 154
 155 private:
 156
 157    void do_print(std::ostream& os) const override;
 158
 159    bool is_equal_to(const Value& other) const override;
 160
 161    PValue m_value;
 162    PValue m_addr;
 163    GPRArray *m_array;
 164 };
 165
 166 inline size_t GPRArrayValue::array_size() const
 167 {
 168    return m_array->size();
 169 }
 170
 171 inline GPRVector::Swizzle swizzle_from_mask(unsigned ncomp)
 172 {
 173    GPRVector::Swizzle swz = {0,1,2,3};
 174    for (int i = ncomp; i < 4; ++i)
 175       swz[i] = 7;
 176    return swz;
 177 }
 178
 179
 180 }
 181
 182 #endif // SFN_GPRARRAY_H