| #ifndef __RS_CORE_RSH__ |
| #define __RS_CORE_RSH__ |
| |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| static uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color) |
| { |
| color *= 255.f; |
| uchar4 c = {color.x, color.y, color.z, 255}; |
| return c; |
| } |
| |
| static uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color) |
| { |
| color *= 255.f; |
| uchar4 c = {color.x, color.y, color.z, color.w}; |
| return c; |
| } |
| |
| 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 |
| ///////////////////////////////////////////////////// |
| |
| static void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix4x4 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 4 + col] = v; |
| } |
| |
| static float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix4x4 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 4 + col]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix3x3 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 3 + col] = v; |
| } |
| |
| static float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix3x3 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 3 + col]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix2x2 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 2 + col] = v; |
| } |
| |
| static float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix2x2 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 2 + col]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadIdentity(rs_matrix4x4 *m) { |
| m->m[0] = 1.f; |
| m->m[1] = 0.f; |
| m->m[2] = 0.f; |
| m->m[3] = 0.f; |
| m->m[4] = 0.f; |
| m->m[5] = 1.f; |
| m->m[6] = 0.f; |
| m->m[7] = 0.f; |
| m->m[8] = 0.f; |
| m->m[9] = 0.f; |
| m->m[10] = 1.f; |
| m->m[11] = 0.f; |
| m->m[12] = 0.f; |
| m->m[13] = 0.f; |
| m->m[14] = 0.f; |
| m->m[15] = 1.f; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadIdentity(rs_matrix3x3 *m) { |
| m->m[0] = 1.f; |
| m->m[1] = 0.f; |
| m->m[2] = 0.f; |
| m->m[3] = 0.f; |
| m->m[4] = 1.f; |
| m->m[5] = 0.f; |
| m->m[6] = 0.f; |
| m->m[7] = 0.f; |
| m->m[8] = 1.f; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadIdentity(rs_matrix2x2 *m) { |
| m->m[0] = 1.f; |
| m->m[1] = 0.f; |
| m->m[2] = 0.f; |
| m->m[3] = 1.f; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix4x4 *m, const float *v) { |
| m->m[0] = v[0]; |
| m->m[1] = v[1]; |
| m->m[2] = v[2]; |
| m->m[3] = v[3]; |
| m->m[4] = v[4]; |
| m->m[5] = v[5]; |
| m->m[6] = v[6]; |
| m->m[7] = v[7]; |
| m->m[8] = v[8]; |
| m->m[9] = v[9]; |
| m->m[10] = v[10]; |
| m->m[11] = v[11]; |
| m->m[12] = v[12]; |
| m->m[13] = v[13]; |
| m->m[14] = v[14]; |
| m->m[15] = v[15]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix3x3 *m, const float *v) { |
| m->m[0] = v[0]; |
| m->m[1] = v[1]; |
| m->m[2] = v[2]; |
| m->m[3] = v[3]; |
| m->m[4] = v[4]; |
| m->m[5] = v[5]; |
| m->m[6] = v[6]; |
| m->m[7] = v[7]; |
| m->m[8] = v[8]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix2x2 *m, const float *v) { |
| m->m[0] = v[0]; |
| m->m[1] = v[1]; |
| m->m[2] = v[2]; |
| m->m[3] = v[3]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix4x4 *v) { |
| m->m[0] = v->m[0]; |
| m->m[1] = v->m[1]; |
| m->m[2] = v->m[2]; |
| m->m[3] = v->m[3]; |
| m->m[4] = v->m[4]; |
| m->m[5] = v->m[5]; |
| m->m[6] = v->m[6]; |
| m->m[7] = v->m[7]; |
| m->m[8] = v->m[8]; |
| m->m[9] = v->m[9]; |
| m->m[10] = v->m[10]; |
| m->m[11] = v->m[11]; |
| m->m[12] = v->m[12]; |
| m->m[13] = v->m[13]; |
| m->m[14] = v->m[14]; |
| m->m[15] = v->m[15]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix3x3 *v) { |
| m->m[0] = v->m[0]; |
| m->m[1] = v->m[1]; |
| m->m[2] = v->m[2]; |
| m->m[3] = 0.f; |
| m->m[4] = v->m[3]; |
| m->m[5] = v->m[4]; |
| m->m[6] = v->m[5]; |
| m->m[7] = 0.f; |
| m->m[8] = v->m[6]; |
| m->m[9] = v->m[7]; |
| m->m[10] = v->m[8]; |
| m->m[11] = 0.f; |
| m->m[12] = 0.f; |
| m->m[13] = 0.f; |
| m->m[14] = 0.f; |
| m->m[15] = 1.f; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix4x4 *m, const rs_matrix2x2 *v) { |
| m->m[0] = v->m[0]; |
| m->m[1] = v->m[1]; |
| m->m[2] = 0.f; |
| m->m[3] = 0.f; |
| m->m[4] = v->m[3]; |
| m->m[5] = v->m[4]; |
| m->m[6] = 0.f; |
| m->m[7] = 0.f; |
| m->m[8] = v->m[6]; |
| m->m[9] = v->m[7]; |
| m->m[10] = 1.f; |
| m->m[11] = 0.f; |
| m->m[12] = 0.f; |
| m->m[13] = 0.f; |
| m->m[14] = 0.f; |
| m->m[15] = 1.f; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix3x3 *m, const rs_matrix3x3 *v) { |
| m->m[0] = v->m[0]; |
| m->m[1] = v->m[1]; |
| m->m[2] = v->m[2]; |
| m->m[3] = v->m[3]; |
| m->m[4] = v->m[4]; |
| m->m[5] = v->m[5]; |
| m->m[6] = v->m[6]; |
| m->m[7] = v->m[7]; |
| m->m[8] = v->m[8]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoad(rs_matrix2x2 *m, const rs_matrix2x2 *v) { |
| m->m[0] = v->m[0]; |
| m->m[1] = v->m[1]; |
| m->m[2] = v->m[2]; |
| m->m[3] = v->m[3]; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadRotate(rs_matrix4x4 *m, float rot, float x, float y, float z) { |
| float c, s; |
| m->m[3] = 0; |
| m->m[7] = 0; |
| m->m[11]= 0; |
| m->m[12]= 0; |
| m->m[13]= 0; |
| m->m[14]= 0; |
| m->m[15]= 1; |
| rot *= (float)(M_PI / 180.0f); |
| c = cos(rot); |
| s = sin(rot); |
| |
| const float len = x*x + y*y + z*z; |
| if (!(len != 1)) { |
| const float recipLen = 1.f / sqrt(len); |
| x *= recipLen; |
| y *= recipLen; |
| z *= recipLen; |
| } |
| const float nc = 1.0f - c; |
| const float xy = x * y; |
| const float yz = y * z; |
| const float zx = z * x; |
| const float xs = x * s; |
| const float ys = y * s; |
| const float zs = z * s; |
| m->m[ 0] = x*x*nc + c; |
| m->m[ 4] = xy*nc - zs; |
| m->m[ 8] = zx*nc + ys; |
| m->m[ 1] = xy*nc + zs; |
| m->m[ 5] = y*y*nc + c; |
| m->m[ 9] = yz*nc - xs; |
| m->m[ 2] = zx*nc - ys; |
| m->m[ 6] = yz*nc + xs; |
| m->m[10] = z*z*nc + c; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadScale(rs_matrix4x4 *m, float x, float y, float z) { |
| rsMatrixLoadIdentity(m); |
| m->m[0] = x; |
| m->m[5] = y; |
| m->m[10] = z; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadTranslate(rs_matrix4x4 *m, float x, float y, float z) { |
| rsMatrixLoadIdentity(m); |
| m->m[12] = x; |
| m->m[13] = y; |
| m->m[14] = z; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *lhs, const rs_matrix4x4 *rhs) { |
| for (int i=0 ; i<4 ; i++) { |
| float ri0 = 0; |
| float ri1 = 0; |
| float ri2 = 0; |
| float ri3 = 0; |
| for (int j=0 ; j<4 ; j++) { |
| const float rhs_ij = rsMatrixGet(rhs, i,j); |
| ri0 += rsMatrixGet(lhs, j, 0) * rhs_ij; |
| ri1 += rsMatrixGet(lhs, j, 1) * rhs_ij; |
| ri2 += rsMatrixGet(lhs, j, 2) * rhs_ij; |
| ri3 += rsMatrixGet(lhs, j, 3) * rhs_ij; |
| } |
| rsMatrixSet(m, i, 0, ri0); |
| rsMatrixSet(m, i, 1, ri1); |
| rsMatrixSet(m, i, 2, ri2); |
| rsMatrixSet(m, i, 3, ri3); |
| } |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix4x4 *m, const rs_matrix4x4 *rhs) { |
| rs_matrix4x4 mt; |
| rsMatrixLoadMultiply(&mt, m, rhs); |
| rsMatrixLoad(m, &mt); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *lhs, const rs_matrix3x3 *rhs) { |
| for (int i=0 ; i<3 ; i++) { |
| float ri0 = 0; |
| float ri1 = 0; |
| float ri2 = 0; |
| for (int j=0 ; j<3 ; j++) { |
| const float rhs_ij = rsMatrixGet(rhs, i,j); |
| ri0 += rsMatrixGet(lhs, j, 0) * rhs_ij; |
| ri1 += rsMatrixGet(lhs, j, 1) * rhs_ij; |
| ri2 += rsMatrixGet(lhs, j, 2) * rhs_ij; |
| } |
| rsMatrixSet(m, i, 0, ri0); |
| rsMatrixSet(m, i, 1, ri1); |
| rsMatrixSet(m, i, 2, ri2); |
| } |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix3x3 *m, const rs_matrix3x3 *rhs) { |
| rs_matrix3x3 mt; |
| rsMatrixLoadMultiply(&mt, m, rhs); |
| rsMatrixLoad(m, &mt); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *lhs, const rs_matrix2x2 *rhs) { |
| for (int i=0 ; i<2 ; i++) { |
| float ri0 = 0; |
| float ri1 = 0; |
| for (int j=0 ; j<2 ; j++) { |
| const float rhs_ij = rsMatrixGet(rhs, i,j); |
| ri0 += rsMatrixGet(lhs, j, 0) * rhs_ij; |
| ri1 += rsMatrixGet(lhs, j, 1) * rhs_ij; |
| } |
| rsMatrixSet(m, i, 0, ri0); |
| rsMatrixSet(m, i, 1, ri1); |
| } |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix2x2 *m, const rs_matrix2x2 *rhs) { |
| rs_matrix2x2 mt; |
| rsMatrixLoadMultiply(&mt, m, rhs); |
| rsMatrixLoad(m, &mt); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixRotate(rs_matrix4x4 *m, float rot, float x, float y, float z) { |
| rs_matrix4x4 m1; |
| rsMatrixLoadRotate(&m1, rot, x, y, z); |
| rsMatrixMultiply(m, &m1); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixScale(rs_matrix4x4 *m, float x, float y, float z) { |
| rs_matrix4x4 m1; |
| rsMatrixLoadScale(&m1, x, y, z); |
| rsMatrixMultiply(m, &m1); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixTranslate(rs_matrix4x4 *m, float x, float y, float z) { |
| rs_matrix4x4 m1; |
| rsMatrixLoadTranslate(&m1, x, y, z); |
| rsMatrixMultiply(m, &m1); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadOrtho(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far) { |
| rsMatrixLoadIdentity(m); |
| m->m[0] = 2.f / (right - left); |
| m->m[5] = 2.f / (top - bottom); |
| m->m[10]= -2.f / (far - near); |
| m->m[12]= -(right + left) / (right - left); |
| m->m[13]= -(top + bottom) / (top - bottom); |
| m->m[14]= -(far + near) / (far - near); |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixLoadFrustum(rs_matrix4x4 *m, float left, float right, float bottom, float top, float near, float far) { |
| rsMatrixLoadIdentity(m); |
| m->m[0] = 2.f * near / (right - left); |
| m->m[5] = 2.f * near / (top - bottom); |
| m->m[8] = (right + left) / (right - left); |
| m->m[9] = (top + bottom) / (top - bottom); |
| m->m[10]= -(far + near) / (far - near); |
| m->m[11]= -1.f; |
| m->m[14]= -2.f * far * near / (far - near); |
| m->m[15]= 0.f; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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 |
| static bool __attribute__((overloadable)) |
| rsMatrixInverse(rs_matrix4x4 *m) { |
| rs_matrix4x4 result; |
| |
| int i, j; |
| for (i = 0; i < 4; ++i) { |
| for (j = 0; j < 4; ++j) { |
| // computeCofactor for int i, int j |
| int c0 = (i+1) % 4; |
| int c1 = (i+2) % 4; |
| int c2 = (i+3) % 4; |
| int r0 = (j+1) % 4; |
| int r1 = (j+2) % 4; |
| int r2 = (j+3) % 4; |
| |
| float minor = (m->m[c0 + 4*r0] * (m->m[c1 + 4*r1] * m->m[c2 + 4*r2] - m->m[c1 + 4*r2] * m->m[c2 + 4*r1])) |
| - (m->m[c0 + 4*r1] * (m->m[c1 + 4*r0] * m->m[c2 + 4*r2] - m->m[c1 + 4*r2] * m->m[c2 + 4*r0])) |
| + (m->m[c0 + 4*r2] * (m->m[c1 + 4*r0] * m->m[c2 + 4*r1] - m->m[c1 + 4*r1] * m->m[c2 + 4*r0])); |
| |
| float cofactor = (i+j) & 1 ? -minor : minor; |
| |
| result.m[4*i + j] = cofactor; |
| } |
| } |
| |
| // Dot product of 0th column of source and 0th row of result |
| float det = m->m[0]*result.m[0] + m->m[4]*result.m[1] + |
| m->m[8]*result.m[2] + m->m[12]*result.m[3]; |
| |
| if (fabs(det) < 1e-6) { |
| return false; |
| } |
| |
| det = 1.0f / det; |
| for (i = 0; i < 16; ++i) { |
| m->m[i] = result.m[i] * det; |
| } |
| |
| return true; |
| } |
| |
| // Returns true if the matrix was successfully inversed |
| static bool __attribute__((overloadable)) |
| rsMatrixInverseTranspose(rs_matrix4x4 *m) { |
| rs_matrix4x4 result; |
| |
| int i, j; |
| for (i = 0; i < 4; ++i) { |
| for (j = 0; j < 4; ++j) { |
| // computeCofactor for int i, int j |
| int c0 = (i+1) % 4; |
| int c1 = (i+2) % 4; |
| int c2 = (i+3) % 4; |
| int r0 = (j+1) % 4; |
| int r1 = (j+2) % 4; |
| int r2 = (j+3) % 4; |
| |
| float minor = (m->m[c0 + 4*r0] * (m->m[c1 + 4*r1] * m->m[c2 + 4*r2] - m->m[c1 + 4*r2] * m->m[c2 + 4*r1])) |
| - (m->m[c0 + 4*r1] * (m->m[c1 + 4*r0] * m->m[c2 + 4*r2] - m->m[c1 + 4*r2] * m->m[c2 + 4*r0])) |
| + (m->m[c0 + 4*r2] * (m->m[c1 + 4*r0] * m->m[c2 + 4*r1] - m->m[c1 + 4*r1] * m->m[c2 + 4*r0])); |
| |
| float cofactor = (i+j) & 1 ? -minor : minor; |
| |
| result.m[4*j + i] = cofactor; |
| } |
| } |
| |
| // Dot product of 0th column of source and 0th column of result |
| float det = m->m[0]*result.m[0] + m->m[4]*result.m[4] + |
| m->m[8]*result.m[8] + m->m[12]*result.m[12]; |
| |
| if (fabs(det) < 1e-6) { |
| return false; |
| } |
| |
| det = 1.0f / det; |
| for (i = 0; i < 16; ++i) { |
| m->m[i] = result.m[i] * det; |
| } |
| |
| return true; |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixTranspose(rs_matrix4x4 *m) { |
| int i, j; |
| float temp; |
| for (i = 0; i < 3; ++i) { |
| for (j = i + 1; j < 4; ++j) { |
| temp = m->m[i*4 + j]; |
| m->m[i*4 + j] = m->m[j*4 + i]; |
| m->m[j*4 + i] = temp; |
| } |
| } |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixTranspose(rs_matrix3x3 *m) { |
| int i, j; |
| float temp; |
| for (i = 0; i < 2; ++i) { |
| for (j = i + 1; j < 3; ++j) { |
| temp = m->m[i*3 + j]; |
| m->m[i*3 + j] = m->m[j*4 + i]; |
| m->m[j*3 + i] = temp; |
| } |
| } |
| } |
| |
| static void __attribute__((overloadable)) |
| rsMatrixTranspose(rs_matrix2x2 *m) { |
| float temp = m->m[1]; |
| m->m[1] = m->m[2]; |
| m->m[2] = temp; |
| } |
| |
| |
| ///////////////////////////////////////////////////// |
| // int ops |
| ///////////////////////////////////////////////////// |
| |
| __inline__ static uint __attribute__((overloadable, always_inline)) rsClamp(uint amount, uint low, uint high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| __inline__ static int __attribute__((overloadable, always_inline)) rsClamp(int amount, int low, int high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| __inline__ static ushort __attribute__((overloadable, always_inline)) rsClamp(ushort amount, ushort low, ushort high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| __inline__ static short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| __inline__ static uchar __attribute__((overloadable, always_inline)) rsClamp(uchar amount, uchar low, uchar high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| __inline__ static char __attribute__((overloadable, always_inline)) rsClamp(char amount, char low, char high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| |
| |
| |
| #endif |
| |