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
set_as_input()55 void set_as_input(){ m_input = true; }
is_input()56 bool is_input() const {return m_input; }
set_keep_alive()57 void set_keep_alive() { m_keep_alive = true; }
keep_alive()58 bool keep_alive() const {return m_keep_alive; }
set_pin_to_channel()59 void set_pin_to_channel() override { m_pin_to_channel = true;}
pin_to_channel()60 bool pin_to_channel() const { return m_pin_to_channel;}
61
62 private:
63 void do_print(std::ostream& os) const override;
64 void do_print(std::ostream& os, const PrintFlags& flags) const override;
65 bool is_equal_to(const Value& other) const override;
66 uint32_t m_sel;
67 bool m_base_offset;
68 bool m_input;
69 bool m_pin_to_channel;
70 bool m_keep_alive;
71 };
72
73 using PGPRValue = std::shared_ptr<GPRValue>;
74
75 class GPRVector : public Value {
76 public:
77 using Swizzle = std::array<uint32_t,4>;
78 using Values = std::array<PValue,4>;
79 GPRVector() = default;
80 GPRVector(GPRVector&& orig) = default;
81 GPRVector(const GPRVector& orig);
82
83 GPRVector(const GPRVector& orig, const std::array<uint8_t, 4>& swizzle);
84 GPRVector(std::array<PValue,4> elms);
85 GPRVector(uint32_t sel, std::array<uint32_t,4> swizzle);
86
87 GPRVector& operator = (const GPRVector& orig) = default;
88 GPRVector& operator = (GPRVector&& orig) = default;
89
90 void swizzle(const Swizzle& swz);
91
92 uint32_t sel() const override final;
93
94 void set_reg_i(int i, PValue reg);
95
chan_i(int i)96 unsigned chan_i(int i) const {return m_elms[i]->chan();}
reg_i(int i)97 PValue reg_i(int i) const {return m_elms[i];}
98 PValue operator [] (int i) const {return m_elms[i];}
99 PValue& operator [] (int i) {return m_elms[i];}
100
101 void pin_to_channel(int i);
102 void pin_all_to_channel();
103
x()104 PValue x() const {return m_elms[0];}
y()105 PValue y() const {return m_elms[1];}
z()106 PValue z() const {return m_elms[2];}
w()107 PValue w() const {return m_elms[3];}
108
values()109 Values& values() { return m_elms;}
110
111 private:
112 void do_print(std::ostream& os) const override;
113 bool is_equal_to(const Value& other) const override;
114 void validate() const;
115
116 Values m_elms;
117 mutable bool m_valid;
118 };
119
120
121 class GPRArray : public Value
122 {
123 public:
124 using Pointer = std::shared_ptr<GPRArray>;
125
126 GPRArray(int base, int size, int comp_mask, int frac);
127
128 uint32_t sel() const override;
129
size()130 size_t size() const {return m_values.size();}
131
132 PValue get_indirect(unsigned index, PValue indirect, unsigned component);
133
134 void record_read(LiverangeEvaluator& ev, int chan)const;
135 void record_write(LiverangeEvaluator& ev, int chan)const;
136
137 void collect_registers(ValueMap& output) const;
138
139 private:
140 void do_print(std::ostream& os) const override;
141
142 bool is_equal_to(const Value& other) const override;
143
144 int m_base_index;
145 int m_component_mask;
146 int m_frac;
147
148 std::vector<GPRVector> m_values;
149 };
150
151 using PGPRArray = GPRArray::Pointer;
152
153 class GPRArrayValue :public Value {
154 public:
155 GPRArrayValue(PValue value, GPRArray *array);
156 GPRArrayValue(PValue value, PValue index, GPRArray *array);
157
158 void record_read(LiverangeEvaluator& ev) const;
159 void record_write(LiverangeEvaluator& ev) const;
160
161 size_t array_size() const;
162 uint32_t sel() const override;
163
value()164 PValue value() {return m_value;}
165
166 void reset_value(PValue new_value);
167 void reset_addr(PValue new_addr);
168
indirect()169 Value::Pointer indirect() const {return m_addr;}
170
171 private:
172
173 void do_print(std::ostream& os) const override;
174
175 bool is_equal_to(const Value& other) const override;
176
177 PValue m_value;
178 PValue m_addr;
179 GPRArray *m_array;
180 };
181
array_size()182 inline size_t GPRArrayValue::array_size() const
183 {
184 return m_array->size();
185 }
186
swizzle_from_comps(unsigned ncomp)187 inline GPRVector::Swizzle swizzle_from_comps(unsigned ncomp)
188 {
189 GPRVector::Swizzle swz = {0,1,2,3};
190 for (int i = ncomp; i < 4; ++i)
191 swz[i] = 7;
192 return swz;
193 }
194
swizzle_from_mask(unsigned mask)195 inline GPRVector::Swizzle swizzle_from_mask(unsigned mask)
196 {
197 GPRVector::Swizzle swz;
198 for (int i = 0; i < 4; ++i)
199 swz[i] = ((1 << i) & mask) ? i : 7;
200 return swz;
201 }
202
203
204 }
205
206 #endif // SFN_GPRARRAY_H
207