1 /* -*- mesa-c++ -*- 2 * 3 * Copyright (c) 2022 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 INSTR_FETCH_H 28 #define INSTR_FETCH_H 29 30 #include "sfn_instr.h" 31 32 namespace r600 { 33 34 class ValueFactory; 35 36 class FetchInstr : public InstrWithVectorResult { 37 public: 38 39 enum EFlags { 40 fetch_whole_quad, 41 use_const_field, 42 format_comp_signed, 43 srf_mode, 44 buf_no_stride, 45 alt_const, 46 use_tc, 47 vpm, 48 is_mega_fetch, 49 uncached, 50 indexed, 51 wait_ack, 52 unknown 53 }; 54 55 enum EPrintSkip { 56 fmt, 57 ftype, 58 mfc, 59 count 60 }; 61 62 FetchInstr(EVFetchInstr opcode, 63 const RegisterVec4& dst, 64 const RegisterVec4::Swizzle& dest_swizzle, 65 PRegister src, 66 uint32_t src_offset, 67 EVFetchType fetch_type, 68 EVTXDataFormat data_format, 69 EVFetchNumFormat num_format, 70 EVFetchEndianSwap endian_swap, 71 uint32_t resource_id, 72 PRegister resource_offset); 73 74 void accept(ConstInstrVisitor& visitor) const override; 75 void accept(InstrVisitor& visitor) override; 76 set_src(PRegister src)77 void set_src(PRegister src) { m_src = src; } src()78 const auto& src() const {assert(m_src); return *m_src;} src_offset()79 uint32_t src_offset() const {return m_src_offset;} 80 resource_id()81 uint32_t resource_id() const {return m_resource_id;} resource_offset()82 auto resource_offset() const {return m_resource_offset;} 83 fetch_type()84 EVFetchType fetch_type() const {return m_fetch_type;} data_format()85 EVTXDataFormat data_format() const {return m_data_format;} set_num_format(EVFetchNumFormat nf)86 void set_num_format(EVFetchNumFormat nf) {m_num_format = nf;} num_format()87 EVFetchNumFormat num_format() const {return m_num_format;} endian_swap()88 EVFetchEndianSwap endian_swap() const {return m_endian_swap;} 89 mega_fetch_count()90 uint32_t mega_fetch_count() const {return m_mega_fetch_count;} array_base()91 uint32_t array_base() const {return m_array_base;} array_size()92 uint32_t array_size() const {return m_array_size;} elm_size()93 uint32_t elm_size() const {return m_elm_size;} 94 reset_fetch_flag(EFlags flag)95 void reset_fetch_flag(EFlags flag) {m_tex_flags.reset(flag);} set_fetch_flag(EFlags flag)96 void set_fetch_flag(EFlags flag) {m_tex_flags.set(flag);} has_fetch_flag(EFlags flag)97 bool has_fetch_flag(EFlags flag) const { return m_tex_flags.test(flag);} 98 opcode()99 EVFetchInstr opcode() const {return m_opcode;} 100 101 bool is_equal_to(const FetchInstr& rhs) const; 102 103 static Instr::Pointer from_string(std::istream& is, ValueFactory &vf); 104 set_mfc(int mfc)105 void set_mfc(int mfc) {m_tex_flags.set(is_mega_fetch); m_mega_fetch_count = mfc;} set_array_base(int arrb)106 void set_array_base(int arrb) {m_array_base = arrb;} set_array_size(int arrs)107 void set_array_size(int arrs) {m_array_size = arrs;} 108 set_element_size(int size)109 void set_element_size(int size) { m_elm_size = size;} set_print_skip(EPrintSkip skip)110 void set_print_skip(EPrintSkip skip) {m_skip_print.set(skip);} slots()111 uint32_t slots() const override {return 1;}; 112 113 bool replace_source(PRegister old_src, PVirtualValue new_src) override; 114 115 protected: 116 static Instr::Pointer from_string_impl(std::istream& is, EVFetchInstr opcode, ValueFactory &vf); 117 override_opname(const char * opname)118 void override_opname(const char *opname) { m_opname = opname;} 119 120 private: 121 bool do_ready() const override; 122 123 void do_print(std::ostream& os) const override; 124 125 void set_param_from_string(const std::string& next_token); 126 void set_flag_from_string(const std::string& next_token); 127 128 static const std::map<EVTXDataFormat, const char *> s_data_format_map; 129 static const std::map<const char *, EFlags> s_flag_map; 130 131 bool propagate_death() override; 132 133 EVFetchInstr m_opcode; 134 135 PRegister m_src; 136 uint32_t m_src_offset; 137 138 EVFetchType m_fetch_type; 139 EVTXDataFormat m_data_format; 140 EVFetchNumFormat m_num_format; 141 EVFetchEndianSwap m_endian_swap; 142 143 uint32_t m_resource_id; 144 PRegister m_resource_offset; 145 146 std::bitset<EFlags::unknown> m_tex_flags; 147 std::bitset<EPrintSkip::count> m_skip_print; 148 149 uint32_t m_mega_fetch_count; 150 uint32_t m_array_base; 151 uint32_t m_array_size; 152 uint32_t m_elm_size; 153 154 std::string m_opname; 155 }; 156 157 class QueryBufferSizeInstr : public FetchInstr { 158 public: 159 QueryBufferSizeInstr(const RegisterVec4& dst, const RegisterVec4::Swizzle& swizzle, uint32_t resid); 160 static Instr::Pointer from_string(std::istream& is, ValueFactory& vf); 161 }; 162 163 class LoadFromBuffer : public FetchInstr { 164 public: 165 LoadFromBuffer(const RegisterVec4& dst, const RegisterVec4::Swizzle& swizzle, 166 PRegister addr, uint32_t addr_offset, 167 uint32_t resid, PRegister res_offset, EVTXDataFormat data_format); 168 static Instr::Pointer from_string(std::istream& is, ValueFactory& vf); 169 }; 170 171 class LoadFromScratch : public FetchInstr { 172 public: 173 LoadFromScratch(const RegisterVec4& dst, const RegisterVec4::Swizzle& swizzle, PVirtualValue addr, uint32_t offset); 174 static Instr::Pointer from_string(std::istream& is, ValueFactory& vf); 175 }; 176 177 } 178 #endif // INSTR_FETCH_H 179