aquarius/main.cpp at master · enumer-8/aquarius · GitHub

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/* copyright enumer8 2025 */

/* Aquarius - tiny aquarium scene
   programmed for the Dreamcast
   using PVR */

#include "matrix.hpp"
#include "dcm.h"
#include <dc/pvr.h>
#include <dc/maple.h>
#include <dc/fmath.h>
#include <dc/maple/controller.h>
#include <dc/biosfont.h>
#include <dc/perfctr.h>

// #include <dc/matrix.h>
// #include <dc/matrix3d.h>

#include <kos.h>

#include <stdio.h>
#include <stdbool.h>

// thanks Falco
//void testing_time(){
//
//    uint64 start_time = timer_ns_gettime64();
//    int32 i, j;
//    for(i = 0; i < 50000; i++){
//      for(j = 0; j < 360; j++)
//    volatile int32 temp = fast_deg2fsca(j);
//
//    }
//
//    uint64 end_time = timer_ns_gettime64();
//    printf("Took %llu nanoseconds:\n",  end_time - start_time);
//}

void testing_time_bit(){

    uint64 start_time = timer_ns_gettime64();
    int32 i, j;
    for(i = 0; i < 75000; i++){
      for(j = 0; j < 360; j++)
    volatile int32 temp = fast_deg2fsca_bit(j);

    }

    uint64 end_time = timer_ns_gettime64();
    printf("Took %llu nanoseconds:\n",  end_time - start_time);
}

// MAIN STARTS HERE!
int main(int argc, char **argv){

  vid_set_mode(DM_640x480, PM_RGB565);
  pvr_init_defaults();

  init_scale_matrix(32.4f, 30.1f, 9.34f);

  pvr_set_bg_color(0.9f, 0.0f, 0.4f);

    testing_time_bit();

    // PVR SCENE SETUP - OPAQUE DRAWING
    pvr_scene_begin();
    pvr_list_begin(PVR_LIST_OP_POLY);

    pvr_list_finish();
    pvr_scene_finish();

  return 0;

}