mitchellhansen/mandelbrot
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Converting over to run using OpenCL

Browse Source
This commit is contained in:
MitchellHansen
2017-03-31 21:00:06 -07:00
parent 964b70879f
commit 36f72f5cbe
6 changed files with 897 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/main.cpp
View File

@@ -6,6 +6,7 @@
#include "util.hpp"
#include <thread>
#include <vector>
#include "OpenCL.h"
float elap_time() {
static std::chrono::time_point<std::chrono::system_clock> start;
@@ -43,15 +44,15 @@ void func(int id, int count, sf::Uint8* pixels) {
int iteration_count = 0;
int interation_threshold = 1000;
while (pow(x, 2) + pow(y, 2) < pow(2, 2) && iteration_count < interation_threshold) {
float x_temp = pow(x, 2) - pow(y, 2) + x0;
while (x*x + y*y < 4 && iteration_count < interation_threshold) {
float x_temp = x*x - y*y + x0;
y = 2 * x * y + y0;
x = x_temp;
iteration_count++;
}
sf::Color c(0, 0, scale(iteration_count, 0, 1000, 0, 255), 255);
int val = scale(iteration_count, 0, 1000, 0, pow(2, 24));
int val = scale(iteration_count, 0, 1000, 0, 16777216);
pixels[(pixel_y * WINDOW_X + pixel_x) * 4 + 0] = val & 0xff;
pixels[(pixel_y * WINDOW_X + pixel_x) * 4 + 1] = (val >> 8) & 0xff;
@@ -61,6 +62,8 @@ void func(int id, int count, sf::Uint8* pixels) {
}
}
enum Mouse_State {PRESSED, DEPRESSED};
int main() {
std::mt19937 rng(time(NULL));
@@ -69,13 +72,19 @@ int main() {
sf::RenderWindow window(sf::VideoMode(WINDOW_X, WINDOW_Y), "quick-sfml-template");
window.setFramerateLimit(60);
float physic_step = 0.166f;
float physic_time = 0.0f;
double frame_time = 0.0, elapsed_time = 0.0, delta_time = 0.0, accumulator_time = 0.0, current_time = 0.0;
fps_counter fps;
OpenCL cl(sf::Vector2i(WINDOW_X, WINDOW_Y));
cl.init();
sf::Uint8 *pixels = new sf::Uint8[WINDOW_X * WINDOW_Y * 4];
sf::Sprite viewport_sprite;