diff options
| -rw-r--r-- | README.md | 7 | ||||
| -rw-r--r-- | Test - Benchmark/Mandelbrot.c | 31 | ||||
| -rw-r--r-- | src/render.c | 3 |
3 files changed, 28 insertions, 13 deletions
diff --git a/README.md b/README.md new file mode 100644 index 0000000..3ab2a6c --- /dev/null +++ b/README.md @@ -0,0 +1,7 @@ +# Mandelbrot Render - ProzProg Projekt + +Ideen: + + - Mandelbrot ist symetrisch zur x-Achse + - Color Smoothing +
\ No newline at end of file diff --git a/Test - Benchmark/Mandelbrot.c b/Test - Benchmark/Mandelbrot.c index d06d154..cffa090 100644 --- a/Test - Benchmark/Mandelbrot.c +++ b/Test - Benchmark/Mandelbrot.c @@ -8,11 +8,11 @@ #define x_MIN -2.0 #define x_MAX 1.0 -#define y_MIN -1.0 +#define y_MIN 0 #define y_MAX 1.0 -#define BMP_HEIGHT 800 -#define BMP_WIDTH 1000 +#define BMP_HEIGHT 1080 +#define BMP_WIDTH 1920 #define N_MAX 250 @@ -30,7 +30,7 @@ void toMath(int X, int Y, double* x, double* y) { int mandelbrot(double x, double y, double zx, double zy, int n, int n_max, double threshold) { - if ((n <= n_max) && ((zx * zx + zy * zy) < threshold)) { + if ((n < n_max) && ((zx * zx + zy * zy) < threshold)) { double zx_new = (zx * zx - zy * zy + x); double zy_new = (2 * zx * zy + y); if ((zx_new == zx) && (zy_new == zy)) { @@ -64,8 +64,8 @@ int main(){ } } end = clock(); - // printf("Rekursion Ende"); - // getchar(); + printf("Rekursion Ende\n"); + //getchar(); // for(int i = 0; i < BMP_HEIGHT*BMP_WIDTH; i++){ // printf("%d\n",data[i]); @@ -73,7 +73,6 @@ int main(){ begin2 = clock(); uint32_t* data2 = (uint32_t*) malloc(BMP_WIDTH * BMP_HEIGHT * sizeof(uint32_t)); - int m = 0; for (int Y = 0; Y < BMP_HEIGHT; Y++) { for (int X = 0; X < BMP_WIDTH; X++) { @@ -81,20 +80,25 @@ int main(){ toMath(X, Y, &x, &y); double cx = x; double cy = y; - while(m <=n_max && (x*x)+(y*y) <= 4){ + int m = 0; + while(m <=n_max && (x*x)+(y*y) < 4){ x2 = x; x = (x*x) - (y*y) + cx; y = 2.0*x2*y + cy; m++; } - data2[Y * BMP_WIDTH + X] = n; + data2[Y * BMP_WIDTH + X] = m; } } end2 = clock(); + printf("Schleife Ende\n"); - // for(int i = 0; i < BMP_HEIGHT*BMP_WIDTH; i++){ - // printf("%d\n",data2[i]); + // for(int i = 0; i < BMP_WIDTH * BMP_HEIGHT; i++){ + // if(data[i] != data[2]){ + // printf("Unterschied\n"); + // } // } + printf("Rekursion:\n"); @@ -114,6 +118,11 @@ int main(){ z/=CLOCKS_PER_SEC; printf("Zeit zwischen begin und end: %f Sekunden\n", z); printf("CLOCKS_PER_SEC: %d\n", CLOCKS_PER_SEC); + + for(int i = 0; i < BMP_HEIGHT*BMP_WIDTH; i++){ + printf("Schleife: %d -- Rekursion: %d\n",data2[i], data[i]); + getch(); + } diff --git a/src/render.c b/src/render.c index 9e7f1a4..27573cf 100644 --- a/src/render.c +++ b/src/render.c @@ -7,6 +7,7 @@ #include "render.h" #define HAVE_STRUCT_TIMESPEC +#include <pthread.h> void render_init(Config *config, u32 (*sfunc) (long double, long double, u32)) { @@ -126,5 +127,3 @@ void gl_idle(void) y_max = y_max_s - zoom_func(ft, (long double)1.0 - _config->to_y); glutPostRedisplay(); } - - |