88 lines
1.8 KiB
C++
88 lines
1.8 KiB
C++
/*
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* Josh Holtrop
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* 2008-12-11
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* barebones SDL program
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*/
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#include <SDL/SDL.h>
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#include <mpi.h>
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#include <iostream>
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using namespace std;
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#define PROGNAME "Josh's CS677 Final : MPI Fractal Generator"
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bool createWindow(int width, int height,
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SDL_Surface ** screen, Uint32 ** pixels);
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void getSizes(int * rank, int * size);
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int main(int argc, char * argv[])
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{
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int width = 800;
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int height = 600;
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int my_rank;
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int world_size;
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SDL_Surface * screen;
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Uint32 * pixels;
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MPI_Init(&argc, &argv);
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for (int y = 0; y < height; y++)
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{
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for (int x = 0; x < width; x++)
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{
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*pixels++ = (((x * 255 / width) & 0xFF) << 8)
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+ ((y * 255 / height) & 0xFF);
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}
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}
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SDL_UpdateRect(screen, 0, 0, 0, 0);
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bool going = true;
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SDL_Event event;
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while (going && SDL_WaitEvent(&event) != 0)
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{
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switch (event.type)
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{
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case SDL_QUIT:
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going = false;
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break;
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_q)
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going = false;
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break;
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}
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}
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MPI_Finalize();
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return 0;
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}
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bool createWindow(int width, int height,
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SDL_Surface ** screen, Uint32 ** pixels)
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{
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if (SDL_Init(SDL_INIT_VIDEO))
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{
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cerr << "Failed to initialize SDL!" << endl;
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return false;
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}
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atexit(SDL_Quit);
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if (!(*screen = SDL_SetVideoMode(width, height, 32, 0)))
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{
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cerr << "Failed to set video mode!" << endl;
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return false;
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}
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SDL_WM_SetCaption(PROGNAME, PROGNAME);
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*pixels = (Uint32 *) (*screen)->pixels;
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return true;
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}
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void getSizes(int * rank, int * size)
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{
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MPI_Comm_rank(MPI_COMM_WORLD, rank);
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MPI_Comm_size(MPI_COMM_WORLD, size);
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}
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