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/* -*- mesa-c++ -*-
*
* Copyright (c) 2019 Collabora LTD
*
* Author: Gert Wollny <gert.wollny@collabora.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SFN_GPRARRAY_H
#define SFN_GPRARRAY_H
#include "sfn_value.h"
#include <vector>
#include <array>
namespace r600 {
class ValuePool;
class ValueMap;
class LiverangeEvaluator;
class GPRValue : public Value {
public:
GPRValue() = default;
GPRValue(GPRValue&& orig) = default;
GPRValue(const GPRValue& orig) = default;
GPRValue(uint32_t sel, uint32_t chan, int base_offset);
GPRValue(uint32_t sel, uint32_t chan);
GPRValue& operator = (const GPRValue& orig) = default;
GPRValue& operator = (GPRValue&& orig) = default;
uint32_t sel() const override final;
void set_as_input(){ m_input = true; }
bool is_input() const {return m_input; }
void set_pin_to_channel() { m_pin_to_channel = true;}
bool pin_to_channel() const { return m_pin_to_channel;}
private:
void do_print(std::ostream& os) const override;
void do_print(std::ostream& os, const PrintFlags& flags) const override;
bool is_equal_to(const Value& other) const override;
uint32_t m_sel;
bool m_base_offset;
bool m_input;
bool m_pin_to_channel;
};
class GPRVector : public Value {
public:
using Swizzle = std::array<uint32_t,4>;
using Values = std::array<PValue,4>;
GPRVector() = default;
GPRVector(GPRVector&& orig) = default;
GPRVector(const GPRVector& orig);
GPRVector(const GPRVector& orig, const std::array<uint8_t, 4>& swizzle);
GPRVector(std::array<PValue,4> elms);
GPRVector(uint32_t sel, std::array<uint32_t,4> swizzle);
GPRVector& operator = (const GPRVector& orig) = default;
GPRVector& operator = (GPRVector&& orig) = default;
void swizzle(const Swizzle& swz);
uint32_t sel() const override final;
void set_reg_i(int i, PValue reg);
unsigned chan_i(int i) const {return m_elms[i]->chan();}
PValue reg_i(int i) const {return m_elms[i];}
PValue operator [] (int i) const {return m_elms[i];}
PValue& operator [] (int i) {return m_elms[i];}
void pin_to_channel(int i);
PValue x() const {return m_elms[0];}
PValue y() const {return m_elms[1];}
PValue z() const {return m_elms[2];}
PValue w() const {return m_elms[3];}
private:
void do_print(std::ostream& os) const override;
bool is_equal_to(const Value& other) const override;
void validate() const;
Values m_elms;
mutable bool m_valid;
};
class GPRArray : public Value
{
public:
using Pointer = std::shared_ptr<GPRArray>;
GPRArray(int base, int size, int comp_mask, int frac);
uint32_t sel() const override;
size_t size() const {return m_values.size();}
PValue get_indirect(unsigned index, PValue indirect, unsigned component);
void record_read(LiverangeEvaluator& ev, int chan)const;
void record_write(LiverangeEvaluator& ev, int chan)const;
void collect_registers(ValueMap& output) const;
private:
void do_print(std::ostream& os) const override;
bool is_equal_to(const Value& other) const override;
int m_base_index;
int m_component_mask;
int m_frac;
std::vector<GPRVector> m_values;
};
using PGPRArray = GPRArray::Pointer;
class GPRArrayValue :public Value {
public:
GPRArrayValue(PValue value, GPRArray *array);
GPRArrayValue(PValue value, PValue index, GPRArray *array);
void record_read(LiverangeEvaluator& ev) const;
void record_write(LiverangeEvaluator& ev) const;
size_t array_size() const;
uint32_t sel() const override;
PValue value() {return m_value;}
void reset_value(PValue new_value);
void reset_addr(PValue new_addr);
Value::Pointer indirect() const {return m_addr;}
private:
void do_print(std::ostream& os) const override;
bool is_equal_to(const Value& other) const override;
PValue m_value;
PValue m_addr;
GPRArray *m_array;
};
inline size_t GPRArrayValue::array_size() const
{
return m_array->size();
}
inline GPRVector::Swizzle swizzle_from_comps(unsigned ncomp)
{
GPRVector::Swizzle swz = {0,1,2,3};
for (int i = ncomp; i < 4; ++i)
swz[i] = 7;
return swz;
}
inline GPRVector::Swizzle swizzle_from_mask(unsigned mask)
{
GPRVector::Swizzle swz;
for (int i = 0; i < 4; ++i)
swz[i] = ((1 << i) & mask) ? i : 7;
return swz;
}
}
#endif // SFN_GPRARRAY_H
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