semi working ver with okayish performance

Makefile

-CFLAGS = -Wno-unused-command-line-argument -Wno-missing-field-initializers  -Wall -Wextra -Wpedantic -lm -fopenmp
+CFLAGS = -Wno-unused-command-line-argument -Wno-missing-field-initializers  -Wall -Wextra -Wpedantic -lm  
+OPENMPFLAGS= -fopenmp
+CLFLAGS= -D CL_TARGET_OPENCL_VERSION=100  -lOpenCL
+
 DEBUG_CFLAGS = -g -DDEBUG -pg -O0 
 
 LDLIBS = $(shell pkg-config --libs sdl2 SDL2_ttf)
 
 #CFLAGS := $(CFLAGS) -O3
-CFLAGS := $(CFLAGS) $(DEBUG_CFLAGS)
+CFLAGS := $(CFLAGS) $(DEBUG_CFLAGS) $(CLFLAGS) $(OPENMPFLAGS)
 
 SRCDIR=src
 BIULDDIR=build

src/mandelbrot.c

@@ -7,6 +7,8 @@
 #include <stdio.h>
 #include <SDL2/SDL.h>
 #include <complex.h>
+#include <CL/cl.h>
+//#include <omp.h>
 
 #include "mandelbrot.h"
 #include "mouse.h"
@@ -45,6 +47,7 @@ void
 calculate_set(Array *arr, int height, int width, ViewInfo view)
 {
     //printf("arr size: %d, screen %d\n", arr->size, height * width); 
+    #pragma omp parallel for schedule(guided)
     for (int x = 0; x < width; x++) {
         for (int y = 0; y < height; y++) {
             double real = view.x_min + (x * (view.x_max - view.x_min)) / width;
@@ -69,12 +72,12 @@ calculate_set(Array *arr, int height, int width, ViewInfo view)
 }
 
 void 
-render_cl(Array *arr, App *app, ViewInfo view, int start_x, int start_y) {
+render_cl(Array *arr, App *app, ViewInfo view) {
     
     SDL_SetRenderDrawColor(app->renderer, 0, 0, 50, 255);
     SDL_RenderClear(app->renderer);
     
-    if (arr->size < app->win_height * app->win_width * sizeof(Color)){
+    if (arr->size < app->win_height * app->win_width * (int)sizeof(Color)){
         arr->pointer = realloc(arr->pointer, app->win_height * app->win_width * sizeof(Color));
         arr->size = app->win_height * app->win_width * sizeof(Color);
     }
@@ -129,7 +132,7 @@ render(App *app, ViewInfo view, int start_x, int end_x, int start_y, int end_y)
 
 
 int
-main(int argc, char *argv[])
+main(void)
 {
     if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
         printf("error initializing SDL: %s\n", SDL_GetError());
@@ -229,7 +232,7 @@ main(int argc, char *argv[])
         //drawing happens here
         SDL_SetRenderDrawColor(app.renderer, 0xff, 0xff, 0xff, 0xff);
         SDL_RenderClear(app.renderer);
-        render_cl(&screen, &app, view, 0, 0);
+        render_cl(&screen, &app, view);
 
        // render(&app, 
        //         view,