smoothlife.h

#ifndef SMOOTHLIFE_H_
#define SMOOTHLIFE_H_

#include <GLES2/gl2.h>

static const int AA = 0;
static const int KR = 1;
static const int KD = 2;
static const int AN = 3;
static const int AM = 4;
static const int ARB = 5;  // number of real buffers

static const int AF = 0;
static const int KRF = 1;
static const int KDF = 2;
static const int ANF = 3;
static const int AMF = 4;
static const int FFT0 = 5;
static const int FFT1 = 6;
static const int AFB = 7;  // number of Fourier buffers

static const int NX = 512;
static const int NY = 512;
static const int NZ = 1;

static const int SX = 512;
static const int SY = 512;

static const int BX = 9;
static const int BY = 9;

extern double kflr;
extern double kfld;

void InitializeVbo();
void InitializeTextures();
GLuint MakeProgram(const char* vertex_shader, const char* frag_shader);
void snm(GLuint prog, int an, int am, int na);
void makesnm(GLuint prog, int an, int am, int asnm);
void drawa(GLuint prog, int a);
// Like drawa, but renders from a Fourier buffer.
void drawf(GLuint prog, int a);
void fft_planx();
void fft_plany();
void makekernel(int kr, int kd);
void fft(GLuint rcprog, GLuint crprog, GLuint fftprog, int vo, int na, int si);
void kernelmul(GLuint prog, int vo, int ke, int na, double sc);
void splat2D(float *buf);
void inita2D(int a);

void testfuncs(GLuint rcprog, GLuint crprog, GLuint fftprog, GLuint drawprog);

#endif  // SMOOTHLIFE_H_