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

   1 /* -*- mesa-c++  -*-
   2  *
   3  * Copyright (c) 2018-2019 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_GDSINSTR_H
  28 #define SFN_GDSINSTR_H
  29
  30 #include "sfn_instruction_base.h"
  31
  32 #include <bitset>
  33
  34 namespace r600 {
  35
  36 class GDSInstr : public Instruction
  37 {
  38 public:
  39    GDSInstr(ESDOp op, const GPRVector& dest,  const PValue& value,
  40             const PValue &uav_id, int uav_base);
  41    GDSInstr(ESDOp op, const GPRVector& dest,  const PValue& value,
  42             const PValue& value2, const PValue &uav_id, int uav_base);
  43    GDSInstr(ESDOp op, const GPRVector& dest,  const PValue &uav_id, int uav_base);
  44
  45    ESDOp op() const {return m_op;}
  46
  47    int src_sel() const {
  48       if (!m_src)
  49          return 0;
  50
  51       assert(m_src->type() == Value::gpr);
  52       return m_src->sel();
  53    }
  54
  55    int src2_chan() const {
  56       if (!m_src2)
  57          return 0;
  58
  59       assert(m_src->type() == Value::gpr);
  60       return m_src->chan();
  61    }
  62
  63    int src_swizzle(int idx) const {assert(idx < 3); return m_src_swizzle[idx];}
  64
  65    int dest_sel() const {
  66       return m_dest.sel();
  67    }
  68
  69    int dest_swizzle(int i) const {
  70       if (i < 4)
  71          return m_dest_swizzle[i];
  72       return 7;
  73    }
  74
  75    void set_dest_swizzle(const std::array<int,4>& swz) {
  76       m_dest_swizzle = swz;
  77    }
  78
  79    PValue uav_id() const {return m_uav_id;}
  80    int uav_base() const {return m_uav_base;}
  81
  82 private:
  83
  84    bool is_equal_to(const Instruction& lhs) const override;
  85    void do_print(std::ostream& os) const override;
  86
  87    ESDOp m_op;
  88
  89    PValue m_src;
  90    PValue m_src2;
  91    GPRVector m_dest;
  92    std::array <int, 4> m_dest_swizzle;
  93    std::array <int, 3> m_src_swizzle;
  94
  95    EBufferIndexMode m_buffer_index_mode;
  96    PValue m_uav_id;
  97    int m_uav_base;
  98    std::bitset<8> m_flags;
  99
 100 };
 101
 102 class RatInstruction : public Instruction {
 103
 104 public:
 105    enum ERatOp {
 106       NOP,
 107       STORE_TYPED,
 108       STORE_RAW,
 109       STORE_RAW_FDENORM,
 110       CMPXCHG_INT,
 111       CMPXCHG_FLT,
 112       CMPXCHG_FDENORM,
 113       ADD,
 114       SUB,
 115       RSUB,
 116       MIN_INT,
 117       MIN_UINT,
 118       MAX_INT,
 119       MAX_UINT,
 120       AND,
 121       OR,
 122       XOR,
 123       MSKOR,
 124       INC_UINT,
 125       DEC_UINT,
 126       NOP_RTN = 32,
 127       XCHG_RTN = 34,
 128       XCHG_FDENORM_RTN,
 129       CMPXCHG_INT_RTN,
 130       CMPXCHG_FLT_RTN,
 131       CMPXCHG_FDENORM_RTN,
 132       ADD_RTN,
 133       SUB_RTN,
 134       RSUB_RTN,
 135       MIN_INT_RTN,
 136       MIN_UINT_RTN,
 137       MAX_INT_RTN,
 138       MAX_UINT_RTN,
 139       AND_RTN,
 140       OR_RTN,
 141       XOR_RTN,
 142       MSKOR_RTN,
 143       UINT_RTN,
 144       UNSUPPORTED
 145    };
 146
 147    RatInstruction(ECFOpCode cf_opcode, ERatOp rat_op,
 148                   const GPRVector& data, const GPRVector& index,
 149                   int rat_id, const PValue& rat_id_offset,
 150                   int burst_count, int comp_mask, int element_size,
 151                   bool ack);
 152
 153    PValue rat_id_offset() const { return m_rat_id_offset;}
 154
 155    ERatOp rat_op() const {return m_rat_op;}
 156
 157    int data_gpr() const {return m_data.sel();}
 158    int index_gpr() const {return m_index.sel();}
 159    int elm_size() const {return m_element_size;}
 160
 161    int comp_mask() const {return m_comp_mask;}
 162
 163    bool need_ack() const {return m_need_ack;}
 164    int burst_count() const {return m_burst_count;}
 165
 166    static ERatOp opcode(nir_intrinsic_op opcode);
 167
 168    int data_swz(int chan) const {return m_data.chan_i(chan);}
 169
 170 private:
 171
 172    bool is_equal_to(const Instruction& lhs) const override;
 173    void do_print(std::ostream& os) const override;
 174
 175    ECFOpCode m_cf_opcode;
 176    ERatOp m_rat_op;
 177
 178    GPRVector m_data;
 179    GPRVector m_index;
 180
 181    int m_rat_id;
 182    PValue m_rat_id_offset;
 183    int m_burst_count;
 184    int m_comp_mask;
 185    int m_element_size;
 186
 187    std::bitset<8> m_flags;
 188
 189    bool m_need_ack;
 190
 191 };
 192
 193 class GDSStoreTessFactor : public Instruction {
 194 public:
 195       GDSStoreTessFactor(GPRVector& value);
 196       int sel() const {return m_value.sel();}
 197       int chan(int i ) const {return m_value.chan_i(i);}
 198
 199       void replace_values(const ValueSet& candiates, PValue new_value) override;
 200 private:
 201       bool is_equal_to(const Instruction& lhs) const override;
 202       void do_print(std::ostream& os) const override;
 203
 204       GPRVector m_value;
 205 };
 206
 207 }
 208
 209 #endif // SFN_GDSINSTR_H