From dfd20bb888737555101e934a02d7832a522a11a9 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Sun, 13 Nov 2011 16:10:01 +0000 Subject: remove double promotions and some formatting edits (tabs & spaces mixed) --- source/blender/blenkernel/intern/ocean.c | 1471 +++++++++++++++--------------- 1 file changed, 736 insertions(+), 735 deletions(-) (limited to 'source/blender/blenkernel/intern/ocean.c') diff --git a/source/blender/blenkernel/intern/ocean.c b/source/blender/blenkernel/intern/ocean.c index e050ff89f86..76b5d37bad8 100644 --- a/source/blender/blenkernel/intern/ocean.c +++ b/source/blender/blenkernel/intern/ocean.c @@ -1,4 +1,4 @@ -/* +/* * ***** BEGIN GPL LICENSE BLOCK ***** * * This program is free software; you can redistribute it and/or @@ -63,42 +63,42 @@ typedef struct Ocean { /* ********* input parameters to the sim ********* */ - float _V; - float _l; - float _w; - float _A; - float _damp_reflections; - float _wind_alignment; - float _depth; - - float _wx; - float _wz; - - float _L; - - /* dimensions of computational grid */ - int _M; - int _N; - - /* spatial size of computational grid */ - float _Lx; - float _Lz; - - float normalize_factor; // init w - float time; - - short _do_disp_y; - short _do_normals; - short _do_chop; - short _do_jacobian; - + float _V; + float _l; + float _w; + float _A; + float _damp_reflections; + float _wind_alignment; + float _depth; + + float _wx; + float _wz; + + float _L; + + /* dimensions of computational grid */ + int _M; + int _N; + + /* spatial size of computational grid */ + float _Lx; + float _Lz; + + float normalize_factor; // init w + float time; + + short _do_disp_y; + short _do_normals; + short _do_chop; + short _do_jacobian; + /* mutex for threaded texture access */ ThreadRWMutex oceanmutex; - + /* ********* sim data arrays ********* */ - - /* two dimensional arrays of complex */ - fftw_complex *_fft_in; // init w sim w + + /* two dimensional arrays of complex */ + fftw_complex *_fft_in; // init w sim w fftw_complex *_fft_in_x; // init w sim w fftw_complex *_fft_in_z; // init w sim w fftw_complex *_fft_in_jxx; // init w sim w @@ -106,137 +106,137 @@ typedef struct Ocean { fftw_complex *_fft_in_jxz; // init w sim w fftw_complex *_fft_in_nx; // init w sim w fftw_complex *_fft_in_nz; // init w sim w - fftw_complex *_htilda; // init w sim w (only once) - - /* fftw "plans" */ - fftw_plan _disp_y_plan; // init w sim r - fftw_plan _disp_x_plan; // init w sim r - fftw_plan _disp_z_plan; // init w sim r - fftw_plan _N_x_plan; // init w sim r - fftw_plan _N_z_plan; // init w sim r - fftw_plan _Jxx_plan; // init w sim r - fftw_plan _Jxz_plan; // init w sim r - fftw_plan _Jzz_plan; // init w sim r - - /* two dimensional arrays of float */ - double * _disp_y; // init w sim w via plan? - double * _N_x; // init w sim w via plan? - /*float * _N_y; all member of this array has same values, so convert this array to a float to reduce memory usage (MEM01)*/ - double _N_y; // sim w ********* can be rearranged? - double * _N_z; // init w sim w via plan? - double * _disp_x; // init w sim w via plan? - double * _disp_z; // init w sim w via plan? - - /* two dimensional arrays of float */ - /* Jacobian and minimum eigenvalue */ - double * _Jxx; // init w sim w - double * _Jzz; // init w sim w - double * _Jxz; // init w sim w - - /* one dimensional float array */ - float * _kx; // init w sim r - float * _kz; // init w sim r - - /* two dimensional complex array */ - fftw_complex * _h0; // init w sim r - fftw_complex * _h0_minus; // init w sim r - - /* two dimensional float array */ - float * _k; // init w sim r + fftw_complex *_htilda; // init w sim w (only once) + + /* fftw "plans" */ + fftw_plan _disp_y_plan; // init w sim r + fftw_plan _disp_x_plan; // init w sim r + fftw_plan _disp_z_plan; // init w sim r + fftw_plan _N_x_plan; // init w sim r + fftw_plan _N_z_plan; // init w sim r + fftw_plan _Jxx_plan; // init w sim r + fftw_plan _Jxz_plan; // init w sim r + fftw_plan _Jzz_plan; // init w sim r + + /* two dimensional arrays of float */ + double * _disp_y; // init w sim w via plan? + double * _N_x; // init w sim w via plan? + /*float * _N_y; all member of this array has same values, so convert this array to a float to reduce memory usage (MEM01)*/ + double _N_y; // sim w ********* can be rearranged? + double * _N_z; // init w sim w via plan? + double * _disp_x; // init w sim w via plan? + double * _disp_z; // init w sim w via plan? + + /* two dimensional arrays of float */ + /* Jacobian and minimum eigenvalue */ + double * _Jxx; // init w sim w + double * _Jzz; // init w sim w + double * _Jxz; // init w sim w + + /* one dimensional float array */ + float * _kx; // init w sim r + float * _kz; // init w sim r + + /* two dimensional complex array */ + fftw_complex * _h0; // init w sim r + fftw_complex * _h0_minus; // init w sim r + + /* two dimensional float array */ + float * _k; // init w sim r } Ocean; static float nextfr(float min, float max) { - return BLI_frand()*(min-max)+max; + return BLI_frand()*(min-max)+max; } static float gaussRand (void) { - float x; // Note: to avoid numerical problems with very small - float y; // numbers, we make these variables singe-precision - float length2; // floats, but later we call the double-precision log() + float x; // Note: to avoid numerical problems with very small + float y; // numbers, we make these variables singe-precision + float length2; // floats, but later we call the double-precision log() // and sqrt() functions instead of logf() and sqrtf(). - do - { + do + { x = (float) (nextfr (-1, 1)); y = (float)(nextfr (-1, 1)); length2 = x * x + y * y; - } - while (length2 >= 1 || length2 == 0); - - return x * sqrt (-2 * log (length2) / length2); + } + while (length2 >= 1 || length2 == 0); + + return x * sqrtf(-2.0f * logf(length2) / length2); } /** * Som usefull functions * */ -MINLINE float lerp(float a,float b,float f) +MINLINE float lerp(float a,float b,float f) { - return a + (b-a)*f; + return a + (b-a)*f; } -MINLINE float catrom(float p0,float p1,float p2,float p3,float f) -{ - return 0.5 *((2 * p1) + - (-p0 + p2) * f + - (2*p0 - 5*p1 + 4*p2 - p3) * f*f + - (-p0 + 3*p1- 3*p2 + p3) * f*f*f); +MINLINE float catrom(float p0,float p1,float p2,float p3,float f) +{ + return 0.5f *((2.0f * p1) + + (-p0 + p2) * f + + (2.0f*p0 - 5.0f*p1 + 4.0f*p2 - p3) * f*f + + (-p0 + 3.0f*p1- 3.0f*p2 + p3) * f*f*f); } -MINLINE float omega(float k, float depth) -{ - return sqrt(GRAVITY*k * tanh(k*depth)); +MINLINE float omega(float k, float depth) +{ + return sqrt(GRAVITY*k * tanh(k*depth)); } -// modified Phillips spectrum -static float Ph(struct Ocean* o, float kx,float kz ) +// modified Phillips spectrum +static float Ph(struct Ocean* o, float kx,float kz ) { float tmp; - float k2 = kx*kx + kz*kz; - - if (k2 == 0.0) - { - return 0.0; // no DC component - } - - // damp out the waves going in the direction opposite the wind - tmp = (o->_wx * kx + o->_wz * kz)/sqrt(k2); - if (tmp < 0) - { - tmp *= o->_damp_reflections; - } - - return o->_A * exp( -1.0f / (k2*(o->_L*o->_L))) * exp(-k2 * (o->_l*o->_l)) * pow(fabs(tmp),o->_wind_alignment) / (k2*k2); + float k2 = kx*kx + kz*kz; + + if (k2 == 0.0f) + { + return 0.0f; // no DC component + } + + // damp out the waves going in the direction opposite the wind + tmp = (o->_wx * kx + o->_wz * kz)/sqrtf(k2); + if (tmp < 0) + { + tmp *= o->_damp_reflections; + } + + return o->_A * expf( -1.0f / (k2*(o->_L*o->_L))) * expf(-k2 * (o->_l*o->_l)) * powf(fabsf(tmp),o->_wind_alignment) / (k2*k2); } static void compute_eigenstuff(struct OceanResult *ocr, float jxx,float jzz,float jxz) { - float a,b,qplus,qminus; - a = jxx + jzz; - b = sqrt((jxx - jzz)*(jxx - jzz) + 4 * jxz * jxz); - - ocr->Jminus = 0.5*(a-b); - ocr->Jplus = 0.5*(a+b); - - qplus = (ocr->Jplus - jxx)/jxz; - qminus = (ocr->Jminus - jxx)/jxz; - - a = sqrt(1 + qplus*qplus); - b = sqrt(1 + qminus*qminus); - - ocr->Eplus[0] = 1.0/ a; - ocr->Eplus[1] = 0.0; - ocr->Eplus[2] = qplus/a; - - ocr->Eminus[0] = 1.0/b; - ocr->Eminus[1] = 0.0; - ocr->Eminus[2] = qminus/b; + float a,b,qplus,qminus; + a = jxx + jzz; + b = sqrt((jxx - jzz)*(jxx - jzz) + 4 * jxz * jxz); + + ocr->Jminus = 0.5f*(a-b); + ocr->Jplus = 0.5f*(a+b); + + qplus = (ocr->Jplus - jxx)/jxz; + qminus = (ocr->Jminus - jxx)/jxz; + + a = sqrt(1 + qplus*qplus); + b = sqrt(1 + qminus*qminus); + + ocr->Eplus[0] = 1.0f/ a; + ocr->Eplus[1] = 0.0f; + ocr->Eplus[2] = qplus/a; + + ocr->Eminus[0] = 1.0f/b; + ocr->Eminus[1] = 0.0f; + ocr->Eminus[2] = qminus/b; } /* - * instead of Complex.h + * instead of Complex.h * in fftw.h "fftw_complex" typedefed as double[2] * below you can see functions are needed to work with such complex numbers. * */ @@ -294,171 +294,172 @@ static void conj_complex(fftw_complex res, fftw_complex cmpl1) static void exp_complex(fftw_complex res, fftw_complex cmpl) { float r = expf(cmpl[0]); - + res[0] = cos(cmpl[1])*r; res[1] = sin(cmpl[1])*r; } -float BKE_ocean_jminus_to_foam(float jminus, float coverage) { - float foam = jminus * -0.005 + coverage; - CLAMP(foam, 0.0, 1.0); +float BKE_ocean_jminus_to_foam(float jminus, float coverage) +{ + float foam = jminus * -0.005f + coverage; + CLAMP(foam, 0.0f, 1.0f); return foam*foam; } void BKE_ocean_eval_uv(struct Ocean *oc, struct OceanResult *ocr, float u,float v) { - int i0,i1,j0,j1; - float frac_x,frac_z; - float uu,vv; - - // first wrap the texture so 0 <= (u,v) < 1 - u = fmod(u,1.0f); - v = fmod(v,1.0f); - - if (u < 0) u += 1.0f; - if (v < 0) v += 1.0f; - - BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_READ); - + int i0,i1,j0,j1; + float frac_x,frac_z; + float uu,vv; + + // first wrap the texture so 0 <= (u,v) < 1 + u = fmod(u,1.0f); + v = fmod(v,1.0f); + + if (u < 0) u += 1.0f; + if (v < 0) v += 1.0f; + + BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_READ); + uu = u * oc->_M; - vv = v * oc->_N; - - i0 = (int)floor(uu); - j0 = (int)floor(vv); - - i1 = (i0 + 1); - j1 = (j0 + 1); - - frac_x = uu - i0; - frac_z = vv - j0; - - i0 = i0 % oc->_M; - j0 = j0 % oc->_N; - - i1 = i1 % oc->_M; - j1 = j1 % oc->_N; - - + vv = v * oc->_N; + + i0 = (int)floor(uu); + j0 = (int)floor(vv); + + i1 = (i0 + 1); + j1 = (j0 + 1); + + frac_x = uu - i0; + frac_z = vv - j0; + + i0 = i0 % oc->_M; + j0 = j0 % oc->_N; + + i1 = i1 % oc->_M; + j1 = j1 % oc->_N; + + #define BILERP(m) (lerp(lerp(m[i0*oc->_N+j0],m[i1*oc->_N+j0],frac_x),lerp(m[i0*oc->_N+j1],m[i1*oc->_N+j1],frac_x),frac_z)) - { - if (oc->_do_disp_y) { - ocr->disp[1] = BILERP(oc->_disp_y); - } - - if (oc->_do_normals) { - ocr->normal[0] = BILERP(oc->_N_x); - ocr->normal[1] = oc->_N_y/*BILERP(oc->_N_y) (MEM01)*/; - ocr->normal[2] = BILERP(oc->_N_z); - } - - if (oc->_do_chop) { - ocr->disp[0] = BILERP(oc->_disp_x); - ocr->disp[2] = BILERP(oc->_disp_z); - } else { - ocr->disp[0] = 0.0; - ocr->disp[2] = 0.0; - } - - if (oc->_do_jacobian) { - compute_eigenstuff(ocr, BILERP(oc->_Jxx),BILERP(oc->_Jzz),BILERP(oc->_Jxz)); - } - } + { + if (oc->_do_disp_y) { + ocr->disp[1] = BILERP(oc->_disp_y); + } + + if (oc->_do_normals) { + ocr->normal[0] = BILERP(oc->_N_x); + ocr->normal[1] = oc->_N_y/*BILERP(oc->_N_y) (MEM01)*/; + ocr->normal[2] = BILERP(oc->_N_z); + } + + if (oc->_do_chop) { + ocr->disp[0] = BILERP(oc->_disp_x); + ocr->disp[2] = BILERP(oc->_disp_z); + } else { + ocr->disp[0] = 0.0; + ocr->disp[2] = 0.0; + } + + if (oc->_do_jacobian) { + compute_eigenstuff(ocr, BILERP(oc->_Jxx),BILERP(oc->_Jzz),BILERP(oc->_Jxz)); + } + } #undef BILERP - + BLI_rw_mutex_unlock(&oc->oceanmutex); } // use catmullrom interpolation rather than linear void BKE_ocean_eval_uv_catrom(struct Ocean *oc, struct OceanResult *ocr, float u,float v) { - int i0,i1,i2,i3,j0,j1,j2,j3; - float frac_x,frac_z; - float uu,vv; - - // first wrap the texture so 0 <= (u,v) < 1 - u = fmod(u,1.0f); - v = fmod(v,1.0f); - - if (u < 0) u += 1.0f; - if (v < 0) v += 1.0f; - + int i0,i1,i2,i3,j0,j1,j2,j3; + float frac_x,frac_z; + float uu,vv; + + // first wrap the texture so 0 <= (u,v) < 1 + u = fmod(u,1.0f); + v = fmod(v,1.0f); + + if (u < 0) u += 1.0f; + if (v < 0) v += 1.0f; + BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_READ); - - uu = u * oc->_M; - vv = v * oc->_N; - - i1 = (int)floor(uu); - j1 = (int)floor(vv); - - i2 = (i1 + 1); - j2 = (j1 + 1); - - frac_x = uu - i1; - frac_z = vv - j1; - - i1 = i1 % oc->_M; - j1 = j1 % oc->_N; - - i2 = i2 % oc->_M; - j2 = j2 % oc->_N; - - i0 = (i1-1); - i3 = (i2+1); - i0 = i0 < 0 ? i0 + oc->_M : i0; - i3 = i3 >= oc->_M ? i3 - oc->_M : i3; - - j0 = (j1-1); - j3 = (j2+1); - j0 = j0 < 0 ? j0 + oc->_N : j0; - j3 = j3 >= oc->_N ? j3 - oc->_N : j3; - + + uu = u * oc->_M; + vv = v * oc->_N; + + i1 = (int)floor(uu); + j1 = (int)floor(vv); + + i2 = (i1 + 1); + j2 = (j1 + 1); + + frac_x = uu - i1; + frac_z = vv - j1; + + i1 = i1 % oc->_M; + j1 = j1 % oc->_N; + + i2 = i2 % oc->_M; + j2 = j2 % oc->_N; + + i0 = (i1-1); + i3 = (i2+1); + i0 = i0 < 0 ? i0 + oc->_M : i0; + i3 = i3 >= oc->_M ? i3 - oc->_M : i3; + + j0 = (j1-1); + j3 = (j2+1); + j0 = j0 < 0 ? j0 + oc->_N : j0; + j3 = j3 >= oc->_N ? j3 - oc->_N : j3; + #define INTERP(m) catrom(catrom(m[i0*oc->_N+j0],m[i1*oc->_N+j0],m[i2*oc->_N+j0],m[i3*oc->_N+j0],frac_x),\ -catrom(m[i0*oc->_N+j1],m[i1*oc->_N+j1],m[i2*oc->_N+j1],m[i3*oc->_N+j1],frac_x),\ -catrom(m[i0*oc->_N+j2],m[i1*oc->_N+j2],m[i2*oc->_N+j2],m[i3*oc->_N+j2],frac_x),\ -catrom(m[i0*oc->_N+j3],m[i1*oc->_N+j3],m[i2*oc->_N+j3],m[i3*oc->_N+j3],frac_x),\ -frac_z) - - { - if (oc->_do_disp_y) - { - ocr->disp[1] = INTERP(oc->_disp_y) ; - } - if (oc->_do_normals) - { - ocr->normal[0] = INTERP(oc->_N_x); - ocr->normal[1] = oc->_N_y/*INTERP(oc->_N_y) (MEM01)*/; - ocr->normal[2] = INTERP(oc->_N_z); - } - if (oc->_do_chop) - { - ocr->disp[0] = INTERP(oc->_disp_x); - ocr->disp[2] = INTERP(oc->_disp_z); - } - else - { - ocr->disp[0] = 0.0; - ocr->disp[2] = 0.0; - } - - if (oc->_do_jacobian) - { - compute_eigenstuff(ocr, INTERP(oc->_Jxx),INTERP(oc->_Jzz),INTERP(oc->_Jxz)); - } - } + catrom(m[i0*oc->_N+j1],m[i1*oc->_N+j1],m[i2*oc->_N+j1],m[i3*oc->_N+j1],frac_x),\ + catrom(m[i0*oc->_N+j2],m[i1*oc->_N+j2],m[i2*oc->_N+j2],m[i3*oc->_N+j2],frac_x),\ + catrom(m[i0*oc->_N+j3],m[i1*oc->_N+j3],m[i2*oc->_N+j3],m[i3*oc->_N+j3],frac_x),\ + frac_z) + + { + if (oc->_do_disp_y) + { + ocr->disp[1] = INTERP(oc->_disp_y) ; + } + if (oc->_do_normals) + { + ocr->normal[0] = INTERP(oc->_N_x); + ocr->normal[1] = oc->_N_y/*INTERP(oc->_N_y) (MEM01)*/; + ocr->normal[2] = INTERP(oc->_N_z); + } + if (oc->_do_chop) + { + ocr->disp[0] = INTERP(oc->_disp_x); + ocr->disp[2] = INTERP(oc->_disp_z); + } + else + { + ocr->disp[0] = 0.0; + ocr->disp[2] = 0.0; + } + + if (oc->_do_jacobian) + { + compute_eigenstuff(ocr, INTERP(oc->_Jxx),INTERP(oc->_Jzz),INTERP(oc->_Jxz)); + } + } #undef INTERP - + BLI_rw_mutex_unlock(&oc->oceanmutex); - + } void BKE_ocean_eval_xz(struct Ocean *oc, struct OceanResult *ocr, float x,float z) { - BKE_ocean_eval_uv(oc, ocr, x/oc->_Lx,z/oc->_Lz); + BKE_ocean_eval_uv(oc, ocr, x/oc->_Lx,z/oc->_Lz); } void BKE_ocean_eval_xz_catrom(struct Ocean *oc, struct OceanResult *ocr, float x,float z) { - BKE_ocean_eval_uv_catrom(oc, ocr, x/oc->_Lx,z/oc->_Lz); + BKE_ocean_eval_uv_catrom(oc, ocr, x/oc->_Lx,z/oc->_Lz); } // note that this doesn't wrap properly for i,j < 0, but its @@ -467,310 +468,310 @@ void BKE_ocean_eval_xz_catrom(struct Ocean *oc, struct OceanResult *ocr, float x void BKE_ocean_eval_ij(struct Ocean *oc, struct OceanResult *ocr, int i,int j) { BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_READ); - - i = abs(i) % oc->_M; - j = abs(j) % oc->_N; - - ocr->disp[1] = oc->_do_disp_y ? oc->_disp_y[i*oc->_N+j] : 0.0f; - - if (oc->_do_chop) - { - ocr->disp[0] = oc->_disp_x[i*oc->_N+j]; - ocr->disp[2] = oc->_disp_z[i*oc->_N+j]; - } - else - { - ocr->disp[0] = 0.0f; - ocr->disp[2] = 0.0f; - } - - if (oc->_do_normals) - { - ocr->normal[0] = oc->_N_x[i*oc->_N+j]; - ocr->normal[1] = oc->_N_y/*oc->_N_y[i*oc->_N+j] (MEM01)*/; - ocr->normal[2] = oc->_N_z[i*oc->_N+j]; - } - - if (oc->_do_jacobian) - { + + i = abs(i) % oc->_M; + j = abs(j) % oc->_N; + + ocr->disp[1] = oc->_do_disp_y ? oc->_disp_y[i*oc->_N+j] : 0.0f; + + if (oc->_do_chop) + { + ocr->disp[0] = oc->_disp_x[i*oc->_N+j]; + ocr->disp[2] = oc->_disp_z[i*oc->_N+j]; + } + else + { + ocr->disp[0] = 0.0f; + ocr->disp[2] = 0.0f; + } + + if (oc->_do_normals) + { + ocr->normal[0] = oc->_N_x[i*oc->_N+j]; + ocr->normal[1] = oc->_N_y/*oc->_N_y[i*oc->_N+j] (MEM01)*/; + ocr->normal[2] = oc->_N_z[i*oc->_N+j]; + } + + if (oc->_do_jacobian) + { compute_eigenstuff(ocr, oc->_Jxx[i*oc->_N+j],oc->_Jzz[i*oc->_N+j],oc->_Jxz[i*oc->_N+j]); - } - + } + BLI_rw_mutex_unlock(&oc->oceanmutex); } void BKE_simulate_ocean(struct Ocean *o, float t, float scale, float chop_amount) { int i, j; - + scale *= o->normalize_factor; - + BLI_rw_mutex_lock(&o->oceanmutex, THREAD_LOCK_WRITE); - + // compute a new htilda - #pragma omp parallel for private(i, j) - for (i = 0 ; i < o->_M ; ++i) - { - // note the <= _N/2 here, see the fftw doco about - // the mechanics of the complex->real fft storage - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex exp_param1; - fftw_complex exp_param2; - fftw_complex conj_param; - - - init_complex(exp_param1, 0.0, omega(o->_k[i*(1+o->_N/2)+j],o->_depth)*t); - init_complex(exp_param2, 0.0, -omega(o->_k[i*(1+o->_N/2)+j],o->_depth)*t); - exp_complex(exp_param1, exp_param1); - exp_complex(exp_param2, exp_param2); - conj_complex(conj_param, o->_h0_minus[i*o->_N+j]); - - mul_complex_c(exp_param1, o->_h0[i*o->_N+j], exp_param1); - mul_complex_c(exp_param2, conj_param, exp_param2); - - add_comlex_c(o->_htilda[i*(1+o->_N/2)+j], exp_param1, exp_param2); - mul_complex_f(o->_fft_in[i*(1+o->_N/2)+j], o->_htilda[i*(1+o->_N/2)+j], scale); - } - } - - #pragma omp parallel sections private(i, j) - { - - #pragma omp section +#pragma omp parallel for private(i, j) + for (i = 0 ; i < o->_M ; ++i) { - if (o->_do_disp_y) + // note the <= _N/2 here, see the fftw doco about + // the mechanics of the complex->real fft storage + for ( j = 0 ; j <= o->_N / 2 ; ++j) { - // y displacement - fftw_execute(o->_disp_y_plan); + fftw_complex exp_param1; + fftw_complex exp_param2; + fftw_complex conj_param; + + + init_complex(exp_param1, 0.0, omega(o->_k[i*(1+o->_N/2)+j],o->_depth)*t); + init_complex(exp_param2, 0.0, -omega(o->_k[i*(1+o->_N/2)+j],o->_depth)*t); + exp_complex(exp_param1, exp_param1); + exp_complex(exp_param2, exp_param2); + conj_complex(conj_param, o->_h0_minus[i*o->_N+j]); + + mul_complex_c(exp_param1, o->_h0[i*o->_N+j], exp_param1); + mul_complex_c(exp_param2, conj_param, exp_param2); + + add_comlex_c(o->_htilda[i*(1+o->_N/2)+j], exp_param1, exp_param2); + mul_complex_f(o->_fft_in[i*(1+o->_N/2)+j], o->_htilda[i*(1+o->_N/2)+j], scale); } - } // section 1 - - #pragma omp section + } + +#pragma omp parallel sections private(i, j) { - if (o->_do_chop) + +#pragma omp section { - // x displacement - for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - fftw_complex minus_i; - - init_complex(minus_i, 0.0, -1.0); - init_complex(mul_param, -scale, 0); - mul_complex_f(mul_param, mul_param, chop_amount); - mul_complex_c(mul_param, mul_param, minus_i); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kx[i] / o->_k[i*(1+o->_N/2)+j])); - init_complex(o->_fft_in_x[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); - } + if (o->_do_disp_y) + { + // y displacement + fftw_execute(o->_disp_y_plan); } - fftw_execute(o->_disp_x_plan); - } - } //section 2 - - #pragma omp section - { - if (o->_do_chop) - { - // z displacement - for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - fftw_complex minus_i; - - init_complex(minus_i, 0.0, -1.0); - init_complex(mul_param, -scale, 0); - mul_complex_f(mul_param, mul_param, chop_amount); - mul_complex_c(mul_param, mul_param, minus_i); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); - init_complex(o->_fft_in_z[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); - } - } - fftw_execute(o->_disp_z_plan); - } - } // section 3 + } // section 1 - #pragma omp section - { - if (o->_do_jacobian) +#pragma omp section { - // Jxx - for ( i = 0 ; i < o->_M ; ++i) + if (o->_do_chop) { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - - //init_complex(mul_param, -scale, 0); - init_complex(mul_param, -1, 0); - - mul_complex_f(mul_param, mul_param, chop_amount); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kx[i]*o->_kx[i] / o->_k[i*(1+o->_N/2)+j])); - init_complex(o->_fft_in_jxx[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + // x displacement + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + fftw_complex minus_i; + + init_complex(minus_i, 0.0, -1.0); + init_complex(mul_param, -scale, 0); + mul_complex_f(mul_param, mul_param, chop_amount); + mul_complex_c(mul_param, mul_param, minus_i); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kx[i] / o->_k[i*(1+o->_N/2)+j])); + init_complex(o->_fft_in_x[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } } + fftw_execute(o->_disp_x_plan); } - fftw_execute(o->_Jxx_plan); - - for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j < o->_N ; ++j) + } //section 2 + +#pragma omp section + { + if (o->_do_chop) + { + // z displacement + for ( i = 0 ; i < o->_M ; ++i) { - o->_Jxx[i*o->_N+j] += 1.0; + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + fftw_complex minus_i; + + init_complex(minus_i, 0.0, -1.0); + init_complex(mul_param, -scale, 0); + mul_complex_f(mul_param, mul_param, chop_amount); + mul_complex_c(mul_param, mul_param, minus_i); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); + init_complex(o->_fft_in_z[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } } + fftw_execute(o->_disp_z_plan); } - } - } // section 4 - - #pragma omp section - { - if (o->_do_jacobian) + } // section 3 + +#pragma omp section { - // Jzz - for ( i = 0 ; i < o->_M ; ++i) + if (o->_do_jacobian) { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - - //init_complex(mul_param, -scale, 0); - init_complex(mul_param, -1, 0); - - mul_complex_f(mul_param, mul_param, chop_amount); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kz[j]*o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); - init_complex(o->_fft_in_jzz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + // Jxx + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + + //init_complex(mul_param, -scale, 0); + init_complex(mul_param, -1, 0); + + mul_complex_f(mul_param, mul_param, chop_amount); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kx[i]*o->_kx[i] / o->_k[i*(1+o->_N/2)+j])); + init_complex(o->_fft_in_jxx[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } + } + fftw_execute(o->_Jxx_plan); + + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j < o->_N ; ++j) + { + o->_Jxx[i*o->_N+j] += 1.0; + } } } - fftw_execute(o->_Jzz_plan); - for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j < o->_N ; ++j) + } // section 4 + +#pragma omp section + { + if (o->_do_jacobian) + { + // Jzz + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + + //init_complex(mul_param, -scale, 0); + init_complex(mul_param, -1, 0); + + mul_complex_f(mul_param, mul_param, chop_amount); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kz[j]*o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); + init_complex(o->_fft_in_jzz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } + } + fftw_execute(o->_Jzz_plan); + for ( i = 0 ; i < o->_M ; ++i) { - o->_Jzz[i*o->_N+j] += 1.0; + for ( j = 0 ; j < o->_N ; ++j) + { + o->_Jzz[i*o->_N+j] += 1.0; + } } } - } - } // section 5 - - #pragma omp section - { - if (o->_do_jacobian) + } // section 5 + +#pragma omp section { - // Jxz - for ( i = 0 ; i < o->_M ; ++i) + if (o->_do_jacobian) { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - - //init_complex(mul_param, -scale, 0); - init_complex(mul_param, -1, 0); - - mul_complex_f(mul_param, mul_param, chop_amount); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0 ? 0.0 : o->_kx[i]*o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); - init_complex(o->_fft_in_jxz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + // Jxz + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + + //init_complex(mul_param, -scale, 0); + init_complex(mul_param, -1, 0); + + mul_complex_f(mul_param, mul_param, chop_amount); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, (o->_k[i*(1+o->_N/2)+j] == 0.0f ? 0.0f : o->_kx[i]*o->_kz[j] / o->_k[i*(1+o->_N/2)+j])); + init_complex(o->_fft_in_jxz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } } + fftw_execute(o->_Jxz_plan); } - fftw_execute(o->_Jxz_plan); - } - } // section 6 - - #pragma omp section - { - // fft normals - if (o->_do_normals) + } // section 6 + +#pragma omp section { - for ( i = 0 ; i < o->_M ; ++i) + // fft normals + if (o->_do_normals) { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - - init_complex(mul_param, 0.0, -1.0); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, o->_kx[i]); - init_complex(o->_fft_in_nx[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + + init_complex(mul_param, 0.0, -1.0); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, o->_kx[i]); + init_complex(o->_fft_in_nx[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } } + fftw_execute(o->_N_x_plan); + } - fftw_execute(o->_N_x_plan); - - } - } // section 7 - - #pragma omp section - { - if (o->_do_normals) - { - for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j <= o->_N / 2 ; ++j) - { - fftw_complex mul_param; - - init_complex(mul_param, 0.0, -1.0); - mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); - mul_complex_f(mul_param, mul_param, o->_kz[i]); - init_complex(o->_fft_in_nz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } // section 7 + +#pragma omp section + { + if (o->_do_normals) + { + for ( i = 0 ; i < o->_M ; ++i) + { + for ( j = 0 ; j <= o->_N / 2 ; ++j) + { + fftw_complex mul_param; + + init_complex(mul_param, 0.0, -1.0); + mul_complex_c(mul_param, mul_param, o->_htilda[i*(1+o->_N/2)+j]); + mul_complex_f(mul_param, mul_param, o->_kz[i]); + init_complex(o->_fft_in_nz[i*(1+o->_N/2)+j], real_c(mul_param), image_c(mul_param)); + } } - } - fftw_execute(o->_N_z_plan); - + fftw_execute(o->_N_z_plan); + /*for ( i = 0 ; i < o->_M ; ++i) - { - for ( j = 0 ; j < o->_N ; ++j) + { + for ( j = 0 ; j < o->_N ; ++j) { o->_N_y[i*o->_N+j] = 1.0f/scale; } } (MEM01)*/ - o->_N_y = 1.0f/scale; - } - } // section 8 - + o->_N_y = 1.0f/scale; + } + } // section 8 + } // omp sections - + BLI_rw_mutex_unlock(&o->oceanmutex); } -static void set_height_normalize_factor(struct Ocean *oc) -{ - float res = 1.0; - float max_h = 0.0; - +static void set_height_normalize_factor(struct Ocean *oc) +{ + float res = 1.0; + float max_h = 0.0; + int i,j; - + if (!oc->_do_disp_y) return; - + oc->normalize_factor = 1.0; - + BKE_simulate_ocean(oc, 0.0, 1.0, 0); - + BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_READ); - - for (i = 0; i < oc->_M; ++i) - { - for (j = 0; j < oc->_N; ++j) - { - if( max_h < fabsf(oc->_disp_y[i*oc->_N+j])) - { - max_h = fabsf(oc->_disp_y[i*oc->_N+j]); - } - } - } - + + for (i = 0; i < oc->_M; ++i) + { + for (j = 0; j < oc->_N; ++j) + { + if( max_h < fabsf(oc->_disp_y[i*oc->_N+j])) + { + max_h = fabsf(oc->_disp_y[i*oc->_N+j]); + } + } + } + BLI_rw_mutex_unlock(&oc->oceanmutex); - - if (max_h == 0.0) max_h = 0.00001f; // just in case ... - - res = 1.0f / (max_h); + + if (max_h == 0.0f) max_h = 0.00001f; // just in case ... + + res = 1.0f / (max_h); oc->normalize_factor = res; } @@ -780,151 +781,151 @@ struct Ocean *BKE_add_ocean(void) Ocean *oc = MEM_callocN(sizeof(Ocean), "ocean sim data"); BLI_rw_mutex_init(&oc->oceanmutex); - + return oc; } -void BKE_init_ocean(struct Ocean* o, int M,int N, float Lx, float Lz, float V, float l, float A, float w, float damp, - float alignment, float depth, float time, short do_height_field, short do_chop, short do_normals, short do_jacobian, int seed) +void BKE_init_ocean(struct Ocean* o, int M,int N, float Lx, float Lz, float V, float l, float A, float w, float damp, + float alignment, float depth, float time, short do_height_field, short do_chop, short do_normals, short do_jacobian, int seed) { int i,j,ii; - + BLI_rw_mutex_lock(&o->oceanmutex, THREAD_LOCK_WRITE); - + o->_M = M; - o->_N = N; - o->_V = V; - o->_l = l; - o->_A = A; - o->_w = w; - o->_damp_reflections = 1.0 - damp; - o->_wind_alignment = alignment; - o->_depth = depth; - o->_Lx = Lx; - o->_Lz = Lz; - o->_wx = cos(w); - o->_wz = -sin(w); // wave direction - o->_L = V*V / GRAVITY; // largest wave for a given velocity V - o->time = time; - - o->_do_disp_y = do_height_field; - o->_do_normals = do_normals; - o->_do_chop = do_chop; - o->_do_jacobian = do_jacobian; - - o->_k = (float*) MEM_mallocN(M * (1+N/2) * sizeof(float), "ocean_k"); - o->_h0 = (fftw_complex*) MEM_mallocN(M * N * sizeof(fftw_complex), "ocean_h0"); - o->_h0_minus = (fftw_complex*) MEM_mallocN(M * N * sizeof(fftw_complex), "ocean_h0_minus"); - o->_kx = (float*) MEM_mallocN(o->_M * sizeof(float), "ocean_kx"); - o->_kz = (float*) MEM_mallocN(o->_N * sizeof(float), "ocean_kz"); - - // make this robust in the face of erroneous usage - if (o->_Lx == 0.0) - o->_Lx = 0.001; - - if (o->_Lz == 0.0) - o->_Lz = 0.001; - - // the +ve components and DC - for (i = 0 ; i <= o->_M/2 ; ++i) - o->_kx[i] = 2.0f * M_PI * i / o->_Lx; - - // the -ve components - for (i = o->_M-1,ii=0 ; i > o->_M/2 ; --i,++ii) - o->_kx[i] = -2.0f * M_PI * ii / o->_Lx; - - // the +ve components and DC - for (i = 0 ; i <= o->_N/2 ; ++i) - o->_kz[i] = 2.0f * M_PI * i / o->_Lz; - - // the -ve components - for (i = o->_N-1,ii=0 ; i > o->_N/2 ; --i,++ii) - o->_kz[i] = -2.0f * M_PI * ii / o->_Lz; - - // pre-calculate the k matrix - for (i = 0 ; i < o->_M ; ++i) - for (j = 0 ; j <= o->_N / 2 ; ++j) - o->_k[i*(1+o->_N/2)+j] = sqrt(o->_kx[i]*o->_kx[i] + o->_kz[j]*o->_kz[j] ); - - /*srand(seed);*/ - BLI_srand(seed); - - for (i = 0 ; i < o->_M ; ++i) - { - for (j = 0 ; j < o->_N ; ++j) - { - float r1 = gaussRand(); - float r2 = gaussRand(); - - fftw_complex r1r2; - init_complex(r1r2, r1, r2); - mul_complex_f(o->_h0[i*o->_N+j], r1r2, (float)(sqrt(Ph(o, o->_kx[i], o->_kz[j]) / 2.0f))); - mul_complex_f(o->_h0_minus[i*o->_N+j], r1r2, (float)(sqrt(Ph(o, -o->_kx[i],-o->_kz[j]) / 2.0f))); - } - } - - o->_fft_in = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in"); - o->_htilda = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_htilda"); - - if (o->_do_disp_y){ - o->_disp_y = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_y"); - o->_disp_y_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in, o->_disp_y, FFTW_ESTIMATE); - } - - if (o->_do_normals){ + o->_N = N; + o->_V = V; + o->_l = l; + o->_A = A; + o->_w = w; + o->_damp_reflections = 1.0f - damp; + o->_wind_alignment = alignment; + o->_depth = depth; + o->_Lx = Lx; + o->_Lz = Lz; + o->_wx = cos(w); + o->_wz = -sin(w); // wave direction + o->_L = V*V / GRAVITY; // largest wave for a given velocity V + o->time = time; + + o->_do_disp_y = do_height_field; + o->_do_normals = do_normals; + o->_do_chop = do_chop; + o->_do_jacobian = do_jacobian; + + o->_k = (float*) MEM_mallocN(M * (1+N/2) * sizeof(float), "ocean_k"); + o->_h0 = (fftw_complex*) MEM_mallocN(M * N * sizeof(fftw_complex), "ocean_h0"); + o->_h0_minus = (fftw_complex*) MEM_mallocN(M * N * sizeof(fftw_complex), "ocean_h0_minus"); + o->_kx = (float*) MEM_mallocN(o->_M * sizeof(float), "ocean_kx"); + o->_kz = (float*) MEM_mallocN(o->_N * sizeof(float), "ocean_kz"); + + // make this robust in the face of erroneous usage + if (o->_Lx == 0.0f) + o->_Lx = 0.001f; + + if (o->_Lz == 0.0f) + o->_Lz = 0.001f; + + // the +ve components and DC + for (i = 0 ; i <= o->_M/2 ; ++i) + o->_kx[i] = 2.0f * (float)M_PI * i / o->_Lx; + + // the -ve components + for (i = o->_M-1,ii=0 ; i > o->_M/2 ; --i,++ii) + o->_kx[i] = -2.0f * (float)M_PI * ii / o->_Lx; + + // the +ve components and DC + for (i = 0 ; i <= o->_N/2 ; ++i) + o->_kz[i] = 2.0f * (float)M_PI * i / o->_Lz; + + // the -ve components + for (i = o->_N-1,ii=0 ; i > o->_N/2 ; --i,++ii) + o->_kz[i] = -2.0f * (float)M_PI * ii / o->_Lz; + + // pre-calculate the k matrix + for (i = 0 ; i < o->_M ; ++i) + for (j = 0 ; j <= o->_N / 2 ; ++j) + o->_k[i*(1+o->_N/2)+j] = sqrt(o->_kx[i]*o->_kx[i] + o->_kz[j]*o->_kz[j] ); + + /*srand(seed);*/ + BLI_srand(seed); + + for (i = 0 ; i < o->_M ; ++i) + { + for (j = 0 ; j < o->_N ; ++j) + { + float r1 = gaussRand(); + float r2 = gaussRand(); + + fftw_complex r1r2; + init_complex(r1r2, r1, r2); + mul_complex_f(o->_h0[i*o->_N+j], r1r2, (float)(sqrt(Ph(o, o->_kx[i], o->_kz[j]) / 2.0f))); + mul_complex_f(o->_h0_minus[i*o->_N+j], r1r2, (float)(sqrt(Ph(o, -o->_kx[i],-o->_kz[j]) / 2.0f))); + } + } + + o->_fft_in = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in"); + o->_htilda = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_htilda"); + + if (o->_do_disp_y){ + o->_disp_y = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_y"); + o->_disp_y_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in, o->_disp_y, FFTW_ESTIMATE); + } + + if (o->_do_normals){ o->_fft_in_nx = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_nx"); o->_fft_in_nz = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_nz"); - - o->_N_x = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_N_x"); - /*o->_N_y = (float*) fftwf_malloc(o->_M * o->_N * sizeof(float)); (MEM01)*/ - o->_N_z = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_N_z"); - - o->_N_x_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_nx, o->_N_x, FFTW_ESTIMATE); - o->_N_z_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_nz, o->_N_z, FFTW_ESTIMATE); - } - - if (o->_do_chop){ + + o->_N_x = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_N_x"); + /*o->_N_y = (float*) fftwf_malloc(o->_M * o->_N * sizeof(float)); (MEM01)*/ + o->_N_z = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_N_z"); + + o->_N_x_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_nx, o->_N_x, FFTW_ESTIMATE); + o->_N_z_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_nz, o->_N_z, FFTW_ESTIMATE); + } + + if (o->_do_chop){ o->_fft_in_x = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_x"); o->_fft_in_z = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_z"); - - o->_disp_x = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_x"); - o->_disp_z = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_z"); - - o->_disp_x_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_x, o->_disp_x, FFTW_ESTIMATE); - o->_disp_z_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_z, o->_disp_z, FFTW_ESTIMATE); - } - if (o->_do_jacobian){ + + o->_disp_x = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_x"); + o->_disp_z = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_disp_z"); + + o->_disp_x_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_x, o->_disp_x, FFTW_ESTIMATE); + o->_disp_z_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_z, o->_disp_z, FFTW_ESTIMATE); + } + if (o->_do_jacobian){ o->_fft_in_jxx = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_jxx"); o->_fft_in_jzz = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_jzz"); o->_fft_in_jxz = (fftw_complex*) MEM_mallocN(o->_M * (1+o->_N/2) * sizeof(fftw_complex), "ocean_fft_in_jxz"); - - o->_Jxx = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jxx"); - o->_Jzz = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jzz"); - o->_Jxz = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jxz"); - - o->_Jxx_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jxx, o->_Jxx, FFTW_ESTIMATE); - o->_Jzz_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jzz, o->_Jzz, FFTW_ESTIMATE); - o->_Jxz_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jxz, o->_Jxz, FFTW_ESTIMATE); - } - + + o->_Jxx = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jxx"); + o->_Jzz = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jzz"); + o->_Jxz = (double*) MEM_mallocN(o->_M * o->_N * sizeof(double), "ocean_Jxz"); + + o->_Jxx_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jxx, o->_Jxx, FFTW_ESTIMATE); + o->_Jzz_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jzz, o->_Jzz, FFTW_ESTIMATE); + o->_Jxz_plan = fftw_plan_dft_c2r_2d(o->_M,o->_N, o->_fft_in_jxz, o->_Jxz, FFTW_ESTIMATE); + } + BLI_rw_mutex_unlock(&o->oceanmutex); - - set_height_normalize_factor(o); - -} -void BKE_free_ocean_data(struct Ocean *oc) + set_height_normalize_factor(o); + +} + +void BKE_free_ocean_data(struct Ocean *oc) { if(!oc) return; - + BLI_rw_mutex_lock(&oc->oceanmutex, THREAD_LOCK_WRITE); - + if (oc->_do_disp_y) { fftw_destroy_plan(oc->_disp_y_plan); MEM_freeN(oc->_disp_y); } - + if (oc->_do_normals) { MEM_freeN(oc->_fft_in_nx); @@ -935,7 +936,7 @@ void BKE_free_ocean_data(struct Ocean *oc) /*fftwf_free(oc->_N_y); (MEM01)*/ MEM_freeN(oc->_N_z); } - + if (oc->_do_chop) { MEM_freeN(oc->_fft_in_x); @@ -945,7 +946,7 @@ void BKE_free_ocean_data(struct Ocean *oc) MEM_freeN(oc->_disp_x); MEM_freeN(oc->_disp_z); } - + if (oc->_do_jacobian) { MEM_freeN(oc->_fft_in_jxx); @@ -958,10 +959,10 @@ void BKE_free_ocean_data(struct Ocean *oc) MEM_freeN(oc->_Jzz); MEM_freeN(oc->_Jxz); } - + if (oc->_fft_in) MEM_freeN(oc->_fft_in); - + /* check that ocean data has been initialised */ if (oc->_htilda) { MEM_freeN(oc->_htilda); @@ -971,17 +972,17 @@ void BKE_free_ocean_data(struct Ocean *oc) MEM_freeN(oc->_kx); MEM_freeN(oc->_kz); } - + BLI_rw_mutex_unlock(&oc->oceanmutex); } -void BKE_free_ocean(struct Ocean *oc) +void BKE_free_ocean(struct Ocean *oc) { if(!oc) return; - + BKE_free_ocean_data(oc); BLI_rw_mutex_end(&oc->oceanmutex); - + MEM_freeN(oc); } @@ -999,19 +1000,19 @@ static void cache_filename(char *string, const char *path, int frame, int type) { char cachepath[FILE_MAX]; const char *fname; - + switch(type) { - case CACHE_TYPE_FOAM: - fname= "foam_"; - break; - case CACHE_TYPE_NORMAL: - fname= "normal_"; - break; - case CACHE_TYPE_DISPLACE: - default: - fname= "disp_"; - break; - } + case CACHE_TYPE_FOAM: + fname= "foam_"; + break; + case CACHE_TYPE_NORMAL: + fname= "normal_"; + break; + case CACHE_TYPE_DISPLACE: + default: + fname= "disp_"; + break; + } BLI_join_dirfile(cachepath, sizeof(cachepath), path, fname); @@ -1021,9 +1022,9 @@ static void cache_filename(char *string, const char *path, int frame, int type) void BKE_free_ocean_cache(struct OceanCache *och) { int i, f=0; - + if (!och) return; - + if (och->ibufs_disp) { for (i=och->start, f=0; i<=och->end; i++, f++) { @@ -1033,7 +1034,7 @@ void BKE_free_ocean_cache(struct OceanCache *och) } MEM_freeN(och->ibufs_disp); } - + if (och->ibufs_foam) { for (i=och->start, f=0; i<=och->end; i++, f++) { @@ -1043,7 +1044,7 @@ void BKE_free_ocean_cache(struct OceanCache *och) } MEM_freeN(och->ibufs_foam); } - + if (och->ibufs_norm) { for (i=och->start, f=0; i<=och->end; i++, f++) { @@ -1053,7 +1054,7 @@ void BKE_free_ocean_cache(struct OceanCache *och) } MEM_freeN(och->ibufs_norm); } - + if (och->time) MEM_freeN(och->time); MEM_freeN(och); @@ -1064,27 +1065,27 @@ void BKE_ocean_cache_eval_uv(struct OceanCache *och, struct OceanResult *ocr, in int res_x = och->resolution_x; int res_y = och->resolution_y; float result[4]; - + u = fmod(u, 1.0); v = fmod(v, 1.0); - + if (u < 0) u += 1.0f; - if (v < 0) v += 1.0f; - + if (v < 0) v += 1.0f; + if (och->ibufs_disp[f]) { - ibuf_sample(och->ibufs_disp[f], u, v, (1.0/(float)res_x), (1.0/(float)res_y), result); + ibuf_sample(och->ibufs_disp[f], u, v, (1.0f/(float)res_x), (1.0f/(float)res_y), result); ocr->disp[0] = result[0]; ocr->disp[1] = result[1]; ocr->disp[2] = result[2]; } - + if (och->ibufs_foam[f]) { - ibuf_sample(och->ibufs_foam[f], u, v, (1.0/(float)res_x), (1.0/(float)res_y), result); + ibuf_sample(och->ibufs_foam[f], u, v, (1.0f/(float)res_x), (1.0f/(float)res_y), result); ocr->foam = result[0]; } - + if (och->ibufs_norm[f]) { - ibuf_sample(och->ibufs_norm[f], u, v, (1.0/(float)res_x), (1.0/(float)res_y), result); + ibuf_sample(och->ibufs_norm[f], u, v, (1.0f/(float)res_x), (1.0f/(float)res_y), result); ocr->normal[0] = result[0]; ocr->normal[1] = result[1]; ocr->normal[2] = result[2]; @@ -1092,23 +1093,23 @@ void BKE_ocean_cache_eval_uv(struct OceanCache *och, struct OceanResult *ocr, in } void BKE_ocean_cache_eval_ij(struct OceanCache *och, struct OceanResult *ocr, int f, int i, int j) -{ +{ int res_x = och->resolution_x; int res_y = och->resolution_y; - + i = abs(i) % res_x; - j = abs(j) % res_y; + j = abs(j) % res_y; if (och->ibufs_disp[f]) { ocr->disp[0] = och->ibufs_disp[f]->rect_float[4*(res_x*j + i) + 0]; ocr->disp[1] = och->ibufs_disp[f]->rect_float[4*(res_x*j + i) + 1]; ocr->disp[2] = och->ibufs_disp[f]->rect_float[4*(res_x*j + i) + 2]; } - + if (och->ibufs_foam[f]) { ocr->foam = och->ibufs_foam[f]->rect_float[4*(res_x*j + i) + 0]; } - + if (och->ibufs_norm[f]) { ocr->normal[0] = och->ibufs_norm[f]->rect_float[4*(res_x*j + i) + 0]; ocr->normal[1] = och->ibufs_norm[f]->rect_float[4*(res_x*j + i) + 1]; @@ -1116,11 +1117,11 @@ void BKE_ocean_cache_eval_ij(struct OceanCache *och, struct OceanResult *ocr, in } } -struct OceanCache *BKE_init_ocean_cache(char *bakepath, int start, int end, float wave_scale, +struct OceanCache *BKE_init_ocean_cache(char *bakepath, int start, int end, float wave_scale, float chop_amount, float foam_coverage, float foam_fade, int resolution) { OceanCache *och = MEM_callocN(sizeof(OceanCache), "ocean cache data"); - + och->bakepath = bakepath; och->start = start; och->end = end; @@ -1135,9 +1136,9 @@ struct OceanCache *BKE_init_ocean_cache(char *bakepath, int start, int end, floa och->ibufs_disp = MEM_callocN(sizeof(ImBuf *)*och->duration, "displacement imbuf pointer array"); och->ibufs_foam = MEM_callocN(sizeof(ImBuf *)*och->duration, "foam imbuf pointer array"); och->ibufs_norm = MEM_callocN(sizeof(ImBuf *)*och->duration, "normal imbuf pointer array"); - + och->time = NULL; - + return och; } @@ -1145,26 +1146,26 @@ void BKE_simulate_ocean_cache(struct OceanCache *och, int frame) { char string[FILE_MAX]; int f = frame; - + /* ibufs array is zero based, but filenames are based on frame numbers */ /* still need to clamp frame numbers to valid range of images on disk though */ CLAMP(frame, och->start, och->end); f = frame - och->start; // shift to 0 based - + /* if image is already loaded in mem, return */ if (och->ibufs_disp[f] != NULL ) return; - - + + cache_filename(string, och->bakepath, frame, CACHE_TYPE_DISPLACE); och->ibufs_disp[f] = IMB_loadiffname(string, 0); //if (och->ibufs_disp[f] == NULL) printf("error loading %s \n", string); //else printf("loaded cache %s \n", string); - + cache_filename(string, och->bakepath, frame, CACHE_TYPE_FOAM); och->ibufs_foam[f] = IMB_loadiffname(string, 0); //if (och->ibufs_foam[f] == NULL) printf("error loading %s \n", string); //else printf("loaded cache %s \n", string); - + cache_filename(string, och->bakepath, frame, CACHE_TYPE_NORMAL); och->ibufs_norm[f] = IMB_loadiffname(string, 0); //if (och->ibufs_norm[f] == NULL) printf("error loading %s \n", string); @@ -1182,91 +1183,91 @@ void BKE_bake_ocean(struct Ocean *o, struct OceanCache *och, void (*update_cb)(v int res_x = och->resolution_x; int res_y = och->resolution_y; char string[FILE_MAX]; - + if (!o) return; - + prev_foam = MEM_callocN(res_x*res_y*sizeof(float), "previous frame foam bake data"); - + BLI_srand(0); - + for (f=och->start, i=0; f<=och->end; f++, i++) { - + /* create a new imbuf to store image for this frame */ ibuf_foam = IMB_allocImBuf(res_x, res_y, 32, IB_rectfloat); ibuf_disp = IMB_allocImBuf(res_x, res_y, 32, IB_rectfloat); ibuf_normal = IMB_allocImBuf(res_x, res_y, 32, IB_rectfloat); - + ibuf_disp->profile = ibuf_foam->profile = ibuf_normal->profile = IB_PROFILE_LINEAR_RGB; - + BKE_simulate_ocean(o, och->time[i], och->wave_scale, och->chop_amount); - + /* add new foam */ for (y=0; y < res_y; y++) { for (x=0; x < res_x; x++) { - float r, pr=0.0, foam_result; + float r, pr=0.0f, foam_result; float neg_disp, neg_eplus; - + BKE_ocean_eval_ij(o, &ocr, x, y); - + normalize_v3(ocr.normal); - + /* foam */ ocr.foam = BKE_ocean_jminus_to_foam(ocr.Jminus, och->foam_coverage); - + /* accumulate previous value for this cell */ if (i>0) pr = prev_foam[res_x*y + x]; r = BLI_frand(); // randomly reduce foam - + //pr = pr * och->foam_fade; // overall fade - + // remember ocean coord sys is Y up! - // break up the foam where height (Y) is low (wave valley), + // break up the foam where height (Y) is low (wave valley), // and X and Z displacement is greatest - + /* vec[0] = ocr.disp[0]; vec[1] = ocr.disp[2]; hor_stretch = len_v2(vec); CLAMP(hor_stretch, 0.0, 1.0); */ - - neg_disp = ocr.disp[1]<0.0?1.0+ocr.disp[1]:1.0; - neg_disp = neg_disp<0.0?0.0:neg_disp; - - neg_eplus = ocr.Eplus[2]<0.0?1.0+ocr.Eplus[2]:1.0; - neg_eplus = neg_eplus<0.0?0.0:neg_eplus; + + neg_disp = ocr.disp[1] < 0.0f ? 1.0f+ocr.disp[1] : 1.0f; + neg_disp = neg_disp < 0.0f ? 0.0f : neg_disp; + + neg_eplus = ocr.Eplus[2] < 0.0f ? 1.0f + ocr.Eplus[2]:1.0f; + neg_eplus = neg_eplus<0.0f ? 0.0f : neg_eplus; //if (ocr.disp[1] < 0.0 || r > och->foam_fade) // pr *= och->foam_fade; - - + + //pr = pr * (1.0 - hor_stretch) * ocr.disp[1]; //pr = pr * neg_disp * neg_eplus; - - if (pr < 1.0) pr *=pr; - - pr *= och->foam_fade * (0.75+neg_eplus*0.25); - - + + if (pr < 1.0f) pr *=pr; + + pr *= och->foam_fade * (0.75f + neg_eplus * 0.25f); + + foam_result = pr + ocr.foam; - + prev_foam[res_x*y + x] = foam_result; - + /* add to the image */ ibuf_disp->rect_float[4*(res_x*y + x) + 0] = ocr.disp[0]; ibuf_disp->rect_float[4*(res_x*y + x) + 1] = ocr.disp[1]; ibuf_disp->rect_float[4*(res_x*y + x) + 2] = ocr.disp[2]; - ibuf_disp->rect_float[4*(res_x*y + x) + 3] = 1.0; - + ibuf_disp->rect_float[4*(res_x*y + x) + 3] = 1.0f; + if (o->_do_jacobian) { ibuf_foam->rect_float[4*(res_x*y + x) + 0] = foam_result; ibuf_foam->rect_float[4*(res_x*y + x) + 1] = foam_result; ibuf_foam->rect_float[4*(res_x*y + x) + 2] = foam_result; ibuf_foam->rect_float[4*(res_x*y + x) + 3] = 1.0; } - + if (o->_do_normals) { ibuf_normal->rect_float[4*(res_x*y + x) + 0] = ocr.normal[0]; ibuf_normal->rect_float[4*(res_x*y + x) + 1] = ocr.normal[1]; @@ -1276,38 +1277,38 @@ void BKE_bake_ocean(struct Ocean *o, struct OceanCache *och, void (*update_cb)(v } } - + /* write the images */ cache_filename(string, och->bakepath, f, CACHE_TYPE_DISPLACE); if(0 == BKE_write_ibuf(ibuf_disp, string, R_OPENEXR, R_OPENEXR_HALF, 2)) // 2 == ZIP exr codec printf("Cannot save Displacement File Output to %s\n", string); - + if (o->_do_jacobian) { cache_filename(string, och->bakepath, f, CACHE_TYPE_FOAM); if(0 == BKE_write_ibuf(ibuf_foam, string, R_OPENEXR, R_OPENEXR_HALF, 2)) // 2 == ZIP exr codec printf("Cannot save Foam File Output to %s\n", string); } - + if (o->_do_normals) { cache_filename(string, och->bakepath, f, CACHE_TYPE_NORMAL); if(0 == BKE_write_ibuf(ibuf_normal, string, R_OPENEXR, R_OPENEXR_HALF, 2)) // 2 == ZIP exr codec printf("Cannot save Normal File Output to %s\n", string); } - + IMB_freeImBuf(ibuf_disp); IMB_freeImBuf(ibuf_foam); IMB_freeImBuf(ibuf_normal); - + progress = (f - och->start) / (float)och->duration; - + update_cb(update_cb_data, progress, &cancel); - + if (cancel) { MEM_freeN(prev_foam); return; } } - + MEM_freeN(prev_foam); och->baked = 1; } @@ -1316,7 +1317,7 @@ void BKE_bake_ocean(struct Ocean *o, struct OceanCache *och, void (*update_cb)(v /* stub */ typedef struct Ocean { - /* need some data here, C does not allow empty struct */ + /* need some data here, C does not allow empty struct */ int stub; } Ocean; @@ -1357,16 +1358,16 @@ struct Ocean *BKE_add_ocean(void) return oc; } -void BKE_init_ocean(struct Ocean* UNUSED(o), int UNUSED(M),int UNUSED(N), float UNUSED(Lx), float UNUSED(Lz), float UNUSED(V), float UNUSED(l), float UNUSED(A), float UNUSED(w), float UNUSED(damp), +void BKE_init_ocean(struct Ocean* UNUSED(o), int UNUSED(M),int UNUSED(N), float UNUSED(Lx), float UNUSED(Lz), float UNUSED(V), float UNUSED(l), float UNUSED(A), float UNUSED(w), float UNUSED(damp), float UNUSED(alignment), float UNUSED(depth), float UNUSED(time), short UNUSED(do_height_field), short UNUSED(do_chop), short UNUSED(do_normals), short UNUSED(do_jacobian), int UNUSED(seed)) { } -void BKE_free_ocean_data(struct Ocean *UNUSED(oc)) +void BKE_free_ocean_data(struct Ocean *UNUSED(oc)) { } -void BKE_free_ocean(struct Ocean *oc) +void BKE_free_ocean(struct Ocean *oc) { if(!oc) return; MEM_freeN(oc); @@ -1379,7 +1380,7 @@ void BKE_free_ocean(struct Ocean *oc) void BKE_free_ocean_cache(struct OceanCache *och) { if (!och) return; - + MEM_freeN(och); } @@ -1388,14 +1389,14 @@ void BKE_ocean_cache_eval_uv(struct OceanCache *UNUSED(och), struct OceanResult } void BKE_ocean_cache_eval_ij(struct OceanCache *UNUSED(och), struct OceanResult *UNUSED(ocr), int UNUSED(f), int UNUSED(i), int UNUSED(j)) -{ +{ } -struct OceanCache *BKE_init_ocean_cache(char *UNUSED(bakepath), int UNUSED(start), int UNUSED(end), float UNUSED(wave_scale), +struct OceanCache *BKE_init_ocean_cache(char *UNUSED(bakepath), int UNUSED(start), int UNUSED(end), float UNUSED(wave_scale), float UNUSED(chop_amount), float UNUSED(foam_coverage), float UNUSED(foam_fade), int UNUSED(resolution)) { OceanCache *och = MEM_callocN(sizeof(OceanCache), "ocean cache data"); - + return och; } -- cgit v1.2.3