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/*
* Copyright © 2017 Gert Wollny
*
* 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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 mesa_st_tests_h
#define mesa_st_tests_h
#include "state_tracker/st_glsl_to_tgsi_temprename.h"
#include "state_tracker/st_glsl_to_tgsi_array_merge.h"
#include "gtest/gtest.h"
#include <utility>
#define MP(X, W) std::make_pair(X, W)
#define MT(X,Y,Z) std::make_tuple(X,Y,Z)
/* Use this to make the compiler pick the swizzle constructor below */
struct SWZ {};
/* Use this to make the compiler pick the constructor with reladdr below */
struct RA {};
/* A line to describe a TGSI instruction for building mock shaders. */
struct FakeCodeline {
FakeCodeline(tgsi_opcode _op): op(_op), max_temp_id(0) {}
FakeCodeline(tgsi_opcode _op, const std::vector<int>& _dst, const std::vector<int>& _src,
const std::vector<int>&_to);
FakeCodeline(tgsi_opcode _op, const std::vector<std::pair<int,int>>& _dst,
const std::vector<std::pair<int, const char *>>& _src,
const std::vector<std::pair<int, const char *>>&_to, SWZ with_swizzle);
FakeCodeline(tgsi_opcode _op, const std::vector<std::tuple<int,int,int>>& _dst,
const std::vector<std::tuple<int,int,int>>& _src,
const std::vector<std::tuple<int,int,int>>&_to, RA with_reladdr);
FakeCodeline(const glsl_to_tgsi_instruction& inst);
int get_max_reg_id() const { return max_temp_id;}
glsl_to_tgsi_instruction *get_codeline() const;
static void set_mem_ctx(void *ctx);
friend bool operator == (const FakeCodeline& lsh, const FakeCodeline& rhs);
void print(std::ostream& os) const;
private:
st_src_reg create_src_register(int src_idx);
st_src_reg create_src_register(int src_idx, const char *swizzle);
st_src_reg create_src_register(int src_idx, gl_register_file file);
st_src_reg create_src_register(const std::tuple<int,int,int>& src);
st_src_reg *create_rel_src_register(int idx);
st_dst_reg create_dst_register(int dst_idx);
st_dst_reg create_dst_register(int dst_idx, int writemask);
st_dst_reg create_dst_register(int dst_idx, gl_register_file file);
st_dst_reg create_dst_register(const std::tuple<int,int,int>& dest);
template <typename st_reg>
void read_reg(const st_reg& s);
tgsi_opcode op;
std::vector<st_dst_reg> dst;
std::vector<st_src_reg> src;
std::vector<st_src_reg> tex_offsets;
int max_temp_id;
static void *mem_ctx;
};
inline std::ostream& operator << (std::ostream& os, const FakeCodeline& line)
{
line.print(os);
return os;
}
/* A few constants that will not be tracked as temporary registers
by the fake shader.
*/
const int in0 = -1;
const int in1 = -2;
const int in2 = -3;
const int out0 = -1;
const int out1 = -2;
const int out2 = -3;
class FakeShader {
public:
FakeShader(const std::vector<FakeCodeline>& source);
FakeShader(exec_list *tgsi_prog);
exec_list* get_program(void *ctx) const;
int get_num_temps() const;
private:
std::vector<FakeCodeline> program;
int num_temps;
};
using temp_lt_expect = std::vector<std::vector<int>>;
class MesaTestWithMemCtx : public testing::Test {
void SetUp();
void TearDown();
protected:
void *mem_ctx;
};
class LifetimeEvaluatorTest : public MesaTestWithMemCtx {
protected:
void run(const std::vector<FakeCodeline>& code, const temp_lt_expect& e);
private:
using lifetime_result=std::vector<register_live_range>;
lifetime_result run(const std::vector<FakeCodeline>& code, bool& success);
virtual void check(const std::vector<register_live_range>& result,
const temp_lt_expect& e) = 0;
};
/* This is a test class to check the exact life times of
* registers. */
class LifetimeEvaluatorExactTest : public LifetimeEvaluatorTest {
protected:
void check(const std::vector<register_live_range>& result,
const temp_lt_expect& e);
};
/* This test class checks that the life time covers at least
* in the expected range. It is used for cases where we know that
* a the implementation could be improved on estimating the minimal
* life time.
*/
class LifetimeEvaluatorAtLeastTest : public LifetimeEvaluatorTest {
protected:
void check(const std::vector<register_live_range>& result, const temp_lt_expect& e);
};
/* With this test class the renaming mapping estimation is tested */
class RegisterRemappingTest : public MesaTestWithMemCtx {
protected:
void run(const std::vector<register_live_range>& lt,
const std::vector<int> &expect);
};
/* With this test class the combined lifetime estimation and renaming
* mepping estimation is tested
*/
class RegisterLifetimeAndRemappingTest : public RegisterRemappingTest {
protected:
using RegisterRemappingTest::run;
void run(const std::vector<FakeCodeline>& code, const std::vector<int> &expect);
};
#endif
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