libs/rs/scriptc/rs_math.rsh

#ifndef __RS_MATH_RSH__
#define __RS_MATH_RSH__

#include "rs_cl.rsh"
#include "rs_core.rsh"

// Allocations

// Return the rs_allocation associated with a bound data
// pointer.
extern rs_allocation __attribute__((overloadable))
    rsGetAllocation(const void *);

// Return the dimensions associated with an allocation.
extern uint32_t __attribute__((overloadable))
    rsAllocationGetDimX(rs_allocation);
extern uint32_t __attribute__((overloadable))
    rsAllocationGetDimY(rs_allocation);
extern uint32_t __attribute__((overloadable))
    rsAllocationGetDimZ(rs_allocation);
extern uint32_t __attribute__((overloadable))
    rsAllocationGetDimLOD(rs_allocation);
extern uint32_t __attribute__((overloadable))
    rsAllocationGetDimFaces(rs_allocation);

// Extract a single element from an allocation.
extern const void * __attribute__((overloadable))
    rsGetElementAt(rs_allocation, uint32_t x);
extern const void * __attribute__((overloadable))
    rsGetElementAt(rs_allocation, uint32_t x, uint32_t y);
extern const void * __attribute__((overloadable))
    rsGetElementAt(rs_allocation, uint32_t x, uint32_t y, uint32_t z);


// Debugging, print to the LOG a description string and a value.
extern void __attribute__((overloadable))
    rsDebug(const char *, float);
extern void __attribute__((overloadable))
    rsDebug(const char *, float2);
extern void __attribute__((overloadable))
    rsDebug(const char *, float3);
extern void __attribute__((overloadable))
    rsDebug(const char *, float4);
extern void __attribute__((overloadable))
    rsDebug(const char *, int);
extern void __attribute__((overloadable))
    rsDebug(const char *, uint);
extern void __attribute__((overloadable))
    rsDebug(const char *, const void *);
#define RS_DEBUG(a) rsDebug(#a, a)
#define RS_DEBUG_MARKER rsDebug(__FILE__, __LINE__)

// Return a random value between 0 (or min_value) and max_malue.
extern int __attribute__((overloadable))
    rsRand(int max_value);
extern int __attribute__((overloadable))
    rsRand(int min_value, int max_value);
extern float __attribute__((overloadable))
    rsRand(float max_value);
extern float __attribute__((overloadable))
    rsRand(float min_value, float max_value);

// return the fractional part of a float
// min(v - ((int)floor(v)), 0x1.fffffep-1f);
extern float __attribute__((overloadable))
    rsFrac(float);

// time
extern int32_t __attribute__((overloadable))
    rsSecond(void);
extern int32_t __attribute__((overloadable))
    rsMinute(void);
extern int32_t __attribute__((overloadable))
    rsHour(void);
extern int32_t __attribute__((overloadable))
    rsDay(void);
extern int32_t __attribute__((overloadable))
    rsMonth(void);
extern int32_t __attribute__((overloadable))
    rsYear(void);

// Return the current system clock in milliseconds
extern int64_t __attribute__((overloadable))
    rsUptimeMillis(void);

// Return the current system clock in nanoseconds
extern int64_t __attribute__((overloadable))
    rsUptimeNanos(void);

// Return the time in seconds since function was last called in this script.
extern float __attribute__((overloadable))
    rsGetDt(void);

// Send a message back to the client.  Will not block and returns true
// if the message was sendable and false if the fifo was full.
// A message ID is required.  Data payload is optional.
extern bool __attribute__((overloadable))
    rsSendToClient(int cmdID);
extern bool __attribute__((overloadable))
    rsSendToClient(int cmdID, const void *data, uint len);

// Send a message back to the client, blocking until the message is queued.
// A message ID is required.  Data payload is optional.
extern void __attribute__((overloadable))
    rsSendToClientBlocking(int cmdID);
extern void __attribute__((overloadable))
    rsSendToClientBlocking(int cmdID, const void *data, uint len);

// Script to Script
typedef struct rs_script_call {
    uint32_t xStart;
    uint32_t xEnd;
    uint32_t yStart;
    uint32_t yEnd;
    uint32_t zStart;
    uint32_t zEnd;
    uint32_t arrayStart;
    uint32_t arrayEnd;

} rs_script_call_t;

extern void __attribute__((overloadable))
    rsForEach(rs_script script, rs_allocation input,
              rs_allocation output, const void * usrData);

extern void __attribute__((overloadable))
    rsForEach(rs_script script, rs_allocation input,
              rs_allocation output, const void * usrData,
              const rs_script_call_t *);

#endif