scriptc/rs_core.rsh

#ifndef __RS_CORE_RSH__
#define __RS_CORE_RSH__

#ifdef BCC_PREPARE_BC
#define _RS_STATIC  extern
#else
#define _RS_STATIC  static
#endif

// 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 *, float, float);
extern void __attribute__((overloadable))
    rsDebug(const char *, float, float, float);
extern void __attribute__((overloadable))
    rsDebug(const char *, float, float, float, float);
extern void __attribute__((overloadable))
    rsDebug(const char *, double);
extern void __attribute__((overloadable))
    rsDebug(const char *, const rs_matrix4x4 *);
extern void __attribute__((overloadable))
    rsDebug(const char *, const rs_matrix3x3 *);
extern void __attribute__((overloadable))
    rsDebug(const char *, const rs_matrix2x2 *);
extern void __attribute__((overloadable))
    rsDebug(const char *, int);
extern void __attribute__((overloadable))
    rsDebug(const char *, uint);
extern void __attribute__((overloadable))
    rsDebug(const char *, long);
extern void __attribute__((overloadable))
    rsDebug(const char *, unsigned long);
extern void __attribute__((overloadable))
    rsDebug(const char *, long long);
extern void __attribute__((overloadable))
    rsDebug(const char *, unsigned long long);
extern void __attribute__((overloadable))
    rsDebug(const char *, const void *);
#define RS_DEBUG(a) rsDebug(#a, a)
#define RS_DEBUG_MARKER rsDebug(__FILE__, __LINE__)

_RS_STATIC void __attribute__((overloadable)) rsDebug(const char *s, float2 v) {
    rsDebug(s, v.x, v.y);
}
_RS_STATIC void __attribute__((overloadable)) rsDebug(const char *s, float3 v) {
    rsDebug(s, v.x, v.y, v.z);
}
_RS_STATIC void __attribute__((overloadable)) rsDebug(const char *s, float4 v) {
    rsDebug(s, v.x, v.y, v.z, v.w);
}

_RS_STATIC uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b)
{
    uchar4 c;
    c.x = (uchar)(r * 255.f);
    c.y = (uchar)(g * 255.f);
    c.z = (uchar)(b * 255.f);
    c.w = 255;
    return c;
}

_RS_STATIC uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a)
{
    uchar4 c;
    c.x = (uchar)(r * 255.f);
    c.y = (uchar)(g * 255.f);
    c.z = (uchar)(b * 255.f);
    c.w = (uchar)(a * 255.f);
    return c;
}

_RS_STATIC uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color)
{
    color *= 255.f;
    uchar4 c = {color.x, color.y, color.z, 255};
    return c;
}

_RS_STATIC uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color)
{
    color *= 255.f;
    uchar4 c = {color.x, color.y, color.z, color.w};
    return c;
}

_RS_STATIC float4 rsUnpackColor8888(uchar4 c)
{
    float4 ret = (float4)0.0039156862745f;
    ret *= convert_float4(c);
    return ret;
}

//extern uchar4 __attribute__((overloadable)) rsPackColorTo565(float r, float g, float b);
//extern uchar4 __attribute__((overloadable)) rsPackColorTo565(float3);
//extern float4 rsUnpackColor565(uchar4);


/////////////////////////////////////////////////////
// Matrix ops
/////////////////////////////////////////////////////

_RS_STATIC void __attribute__((overloadable))
rsMatrixSet(rs_matrix4x4 *m, uint32_t row, uint32_t col, float v) {
    m->m[row * 4 + col] = v;
}

_RS_STATIC float __attribute__((overloadable))
rsMatrixGet(const rs_matrix4x4 *m, uint32_t row, uint32_t col) {
    return m->m[row * 4 + col];
}

_RS_STATIC void __attribute__((overloadable))
rsMatrixSet(rs_matrix3x3 *m, uint32_t row, uint32_t col, float v) {
    m->m[row * 3 + col] = v;
}

_RS_STATIC float __attribute__((overloadable))
rsMatrixGet(const rs_matrix3x3 *m, uint32_t row, uint32_t col) {
    return m->m[row * 3 + col];
}

_RS_STATIC void __attribute__((overloadable))
rsMatrixSet(rs_matrix2x2 *m, uint32_t row, uint32_t col, float v) {
    m->m[row * 2 + col] = v;
}

_RS_STATIC float __attribute__((overloadable))
rsMatrixGet(const rs_matrix2x2 *m, uint32_t row, uint32_t col) {
    return m->m[row * 2 + col];
}

extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix4x4 *m);
extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix3x3 *m);
extern void __attribute__((overloadable)) rsMatrixLoadIdentity(rs_matrix2x2 *m);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const float *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix3x3 *m, const float *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix2x2 *m, const float *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix4x4 *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix3x3 *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix2x2 *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix3x3 *m, const rs_matrix3x3 *v);
extern void __attribute__((overloadable)) rsMatrixLoad(rs_matrix2x2 *m, const rs_matrix2x2 *v);

extern void __attribute__((overloadable))
rsMatrixLoadRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixLoadScale(rs_matrix4x4 *m, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixLoadTranslate(rs_matrix4x4 *m, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixLoadMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs);

extern void __attribute__((overloadable))
rsMatrixMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *rhs);

extern void __attribute__((overloadable))
rsMatrixLoadMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *lhs, const rs_matrix3x3 *rhs);

extern void __attribute__((overloadable))
rsMatrixMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *rhs);

extern void __attribute__((overloadable))
rsMatrixLoadMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs);

extern void __attribute__((overloadable))
rsMatrixMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *rhs);

extern void __attribute__((overloadable))
rsMatrixRotate(rs_matrix4x4 *m, float rot, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixScale(rs_matrix4x4 *m, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixTranslate(rs_matrix4x4 *m, float x, float y, float z);

extern void __attribute__((overloadable))
rsMatrixLoadOrtho(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far);

extern void __attribute__((overloadable))
rsMatrixLoadFrustum(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far);

extern void __attribute__((overloadable))
rsMatrixLoadPerspective(rs_matrix4x4* m, float fovy, float aspect, float near, float far);

_RS_STATIC float4 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix4x4 *m, float4 in) {
    float4 ret;
    ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + (m->m[12] * in.w);
    ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + (m->m[13] * in.w);
    ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + (m->m[14] * in.w);
    ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + (m->m[15] * in.w);
    return ret;
}

_RS_STATIC float4 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix4x4 *m, float3 in) {
    float4 ret;
    ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + m->m[12];
    ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + m->m[13];
    ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + m->m[14];
    ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + m->m[15];
    return ret;
}

_RS_STATIC float4 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix4x4 *m, float2 in) {
    float4 ret;
    ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + m->m[12];
    ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + m->m[13];
    ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + m->m[14];
    ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + m->m[15];
    return ret;
}

_RS_STATIC float3 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix3x3 *m, float3 in) {
    float3 ret;
    ret.x = (m->m[0] * in.x) + (m->m[3] * in.y) + (m->m[6] * in.z);
    ret.y = (m->m[1] * in.x) + (m->m[4] * in.y) + (m->m[7] * in.z);
    ret.z = (m->m[2] * in.x) + (m->m[5] * in.y) + (m->m[8] * in.z);
    return ret;
}

_RS_STATIC float3 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix3x3 *m, float2 in) {
    float3 ret;
    ret.x = (m->m[0] * in.x) + (m->m[3] * in.y);
    ret.y = (m->m[1] * in.x) + (m->m[4] * in.y);
    ret.z = (m->m[2] * in.x) + (m->m[5] * in.y);
    return ret;
}

_RS_STATIC float2 __attribute__((overloadable))
rsMatrixMultiply(rs_matrix2x2 *m, float2 in) {
    float2 ret;
    ret.x = (m->m[0] * in.x) + (m->m[2] * in.y);
    ret.y = (m->m[1] * in.x) + (m->m[3] * in.y);
    return ret;
}

// Returns true if the matrix was successfully inversed
extern bool __attribute__((overloadable)) rsMatrixInverse(rs_matrix4x4 *m);
extern bool __attribute__((overloadable)) rsMatrixInverseTranspose(rs_matrix4x4 *m);
extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix4x4 *m);
extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix3x3 *m);
extern void __attribute__((overloadable)) rsMatrixTranspose(rs_matrix2x2 *m);

/////////////////////////////////////////////////////
// int ops
/////////////////////////////////////////////////////

__inline__ _RS_STATIC uint __attribute__((overloadable, always_inline)) rsClamp(uint amount, uint low, uint high) {
    return amount < low ? low : (amount > high ? high : amount);
}
__inline__ _RS_STATIC int __attribute__((overloadable, always_inline)) rsClamp(int amount, int low, int high) {
    return amount < low ? low : (amount > high ? high : amount);
}
__inline__ _RS_STATIC ushort __attribute__((overloadable, always_inline)) rsClamp(ushort amount, ushort low, ushort high) {
    return amount < low ? low : (amount > high ? high : amount);
}
__inline__ _RS_STATIC short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high) {
    return amount < low ? low : (amount > high ? high : amount);
}
__inline__ _RS_STATIC uchar __attribute__((overloadable, always_inline)) rsClamp(uchar amount, uchar low, uchar high) {
    return amount < low ? low : (amount > high ? high : amount);
}
__inline__ _RS_STATIC char __attribute__((overloadable, always_inline)) rsClamp(char amount, char low, char high) {
    return amount < low ? low : (amount > high ? high : amount);
}

#undef _RS_STATIC

#endif