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Add PSP support

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This commit is contained in:
Luke Benstead 2021-01-04 21:43:00 +00:00
parent 1509b9bd0e
commit 9f8dcae52a
1 changed files with 179 additions and 145 deletions
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324
include/bounce/common/time.h
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@ -21,145 +21,131 @@
#include <bounce/common/settings.h> #include <bounce/common/settings.h>
#define B3_WINDOWS 1 #if defined(__WIN32__)
#define B3_MAC 2
#define B3_UNIX 3
#if defined (_WIN32)
#define B3_PLATFORM B3_WINDOWS
#elif defined( __APPLE__ )
#define B3_PLATFORM B3_MAC
#elif defined(_arch_dreamcast)
#define B3_PLATFORM B3_DREAMCAST
#else
#define B3_PLATFORM B3_UNIX
#endif
#if B3_PLATFORM == B3_WINDOWS
#include <windows.h> #include <windows.h>
// A timer class that accumulates time. // A timer class that accumulates time.
// Usefull for measuring elapsed times between code sections. // Usefull for measuring elapsed times between code sections.
class b3Time class b3Time
{ {
public: public:
b3Time() b3Time()
{ {
LARGE_INTEGER c; LARGE_INTEGER c;
QueryPerformanceCounter(&c); QueryPerformanceCounter(&c);
m_c0 = c.QuadPart; m_c0 = c.QuadPart;
m_t0 = 0.0; m_t0 = 0.0;
m_t = 0.0; m_t = 0.0;
} }
// Get the accumulated time in miliseconds from this timer.
float64 GetCurrentMilis() const
{
return m_t;
}
// Get the elapsed time since this timer was updated. // Get the accumulated time in miliseconds from this timer.
float64 GetElapsedMilis() const float64 GetCurrentMilis() const
{ {
return m_t - m_t0; return m_t;
} }
// Add the elapsed time since this function was called to this timer. // Get the elapsed time since this timer was updated.
void Update() float64 GetElapsedMilis() const
{ {
static float64 inv_frequency = 0.0; return m_t - m_t0;
if (inv_frequency == 0.0) }
{
LARGE_INTEGER c;
QueryPerformanceFrequency(&c);
float64 cycles_per_s = float64(c.QuadPart);
float64 s_per_cycle = 1.0 / cycles_per_s;
float64 ms_per_cycle = 1000.0 * s_per_cycle;
inv_frequency = ms_per_cycle;
}
LARGE_INTEGER c; // Add the elapsed time since this function was called to this timer.
QueryPerformanceCounter(&c); void Update()
{
static float64 inv_frequency = 0.0;
if (inv_frequency == 0.0)
{
LARGE_INTEGER c;
QueryPerformanceFrequency(&c);
float64 dt = inv_frequency * float64(c.QuadPart - m_c0); float64 cycles_per_s = float64(c.QuadPart);
m_c0 = c.QuadPart; float64 s_per_cycle = 1.0 / cycles_per_s;
Add(dt); float64 ms_per_cycle = 1000.0 * s_per_cycle;
} inv_frequency = ms_per_cycle;
}
// Add time to this timer. LARGE_INTEGER c;
void Add(float64 dt) QueryPerformanceCounter(&c);
{
m_t0 = m_t; float64 dt = inv_frequency * float64(c.QuadPart - m_c0);
m_t += dt; m_c0 = c.QuadPart;
} Add(dt);
}
// Add time to this timer.
void Add(float64 dt)
{
m_t0 = m_t;
m_t += dt;
}
private: private:
u64 m_c0; u64 m_c0;
float64 m_t0; float64 m_t0;
float64 m_t; float64 m_t;
}; };
#elif B3_PLATFORM == B3_MAC #elif defined(__APPLE__)
#include <mach/mach_time.h> #include <mach/mach_time.h>
// A timer class that accumulates time. // A timer class that accumulates time.
// Usefull for measuring elapsed times between code sections. // Usefull for measuring elapsed times between code sections.
class b3Time class b3Time
{ {
public: public:
b3Time() b3Time()
{ {
m_c0 = mach_absolute_time(); m_c0 = mach_absolute_time();
m_t0 = 0.0; m_t0 = 0.0;
m_t = 0.0; m_t = 0.0;
} }
// Get the accumulated time in miliseconds from this timer.
double GetCurrentMilis() const
{
return m_t;
}
// Get the elapsed time since this timer was updated. // Get the accumulated time in miliseconds from this timer.
double GetElapsedMilis() const double GetCurrentMilis() const
{ {
return m_t - m_t0; return m_t;
} }
// Add the elapsed time since this function was called to this timer. // Get the elapsed time since this timer was updated.
void Update() double GetElapsedMilis() const
{ {
static double inv_frequency = 0.0; return m_t - m_t0;
if (inv_frequency == 0.0) }
{
mach_timebase_info_data_t info;
mach_timebase_info(&info);
inv_frequency = double(info.numer) / (double(info.denom) * 1.0e6);
}
uint64_t c = mach_absolute_time();
double dt = inv_frequency * (double)(c - m_c0);
m_c0 = c;
Add(dt);
}
// Add time to this timer. // Add the elapsed time since this function was called to this timer.
void Add(double dt) void Update()
{ {
m_t0 = m_t; static double inv_frequency = 0.0;
m_t += dt; if (inv_frequency == 0.0)
} {
mach_timebase_info_data_t info;
mach_timebase_info(&info);
inv_frequency = double(info.numer) / (double(info.denom) * 1.0e6);
}
uint64_t c = mach_absolute_time();
double dt = inv_frequency * (double)(c - m_c0);
m_c0 = c;
Add(dt);
}
// Add time to this timer.
void Add(double dt)
{
m_t0 = m_t;
m_t += dt;
}
private: private:
uint64_t m_c0; uint64_t m_c0;
double m_t0; double m_t0;
double m_t; double m_t;
}; };
#elif B3_PLATFORM == B3_DREAMCAST #elif defined(_arch_dreamcast)
#include <kos.h> #include <kos.h>
@ -207,55 +193,103 @@ private:
double m_t; double m_t;
}; };
#elif defined(__PSP__)
#include <pspthreadman.h>
class b3Time
{
public:
b3Time()
{
m_c0 = sceKernelGetSystemTimeLow();
m_t0 = 0.0;
m_t = 0.0;
}
// Get the accumulated time in miliseconds from this timer.
double GetCurrentMilis() const
{
return m_t;
}
// Get the elapsed time since this timer was updated.
double GetElapsedMilis() const
{
return m_t - m_t0;
}
// Add the elapsed time since this function was called to this timer.
void Update()
{
uint64_t c = sceKernelGetSystemTimeLow();
double dt = double(c - m_c0) * 0.000001;
m_c0 = c;
Add(dt);
}
// Add time to this timer.
void Add(double dt)
{
m_t0 = m_t;
m_t += dt;
}
private:
uint64_t m_c0;
double m_t0;
double m_t;
};
#else #else
#include <time.h> #include <time.h>
// A timer class that accumulates time. // A timer class that accumulates time.
// Usefull for measuring elapsed times between code sections. // Usefull for measuring elapsed times between code sections.
class b3Time class b3Time
{ {
public: public:
b3Time() b3Time()
{ {
clock_gettime(CLOCK_MONOTONIC, &m_c0); clock_gettime(CLOCK_MONOTONIC, &m_c0);
m_t0 = 0.0; m_t0 = 0.0;
m_t = 0.0; m_t = 0.0;
} }
// Get the accumulated time in miliseconds from this timer.
double GetCurrentMilis() const
{
return m_t;
}
// Get the elapsed time since this timer was updated. // Get the accumulated time in miliseconds from this timer.
double GetElapsedMilis() const double GetCurrentMilis() const
{ {
return m_t - m_t0; return m_t;
} }
// Add the elapsed time since this function was called to this timer. // Get the elapsed time since this timer was updated.
void Update() double GetElapsedMilis() const
{ {
struct timespec c; return m_t - m_t0;
clock_gettime(CLOCK_MONOTONIC, &c); }
double dt = (double)(c.tv_nsec - m_c0.tv_nsec) * 1.0e-6;
m_c0 = c;
Add(dt);
}
// Add time to this timer. // Add the elapsed time since this function was called to this timer.
void Add(double dt) void Update()
{ {
m_t0 = m_t; struct timespec c;
m_t += dt; clock_gettime(CLOCK_MONOTONIC, &c);
} double dt = (double)(c.tv_nsec - m_c0.tv_nsec) * 1.0e-6;
m_c0 = c;
Add(dt);
}
// Add time to this timer.
void Add(double dt)
{
m_t0 = m_t;
m_t += dt;
}
private: private:
struct timespec m_c0; struct timespec m_c0;
double m_t0; double m_t0;
double m_t; double m_t;
}; };
#endif // B3_PLATFORM #endif // B3_PLATFORM