main.cpp

#include <iostream>
#include <helper_image.h> 

#include <cuda_runtime.h>
#include <cuda.h>
#include <GL/glew.h>
#include <GL/freeglut.h>
#include <helper_cuda_gl.h>

unsigned int width=0;
unsigned int height=0;
#define REFRESH_DELAY     10 //ms


extern "C" void TreshImg(unsigned char *inImg, unsigned char* outImg, int w, int h);

GLuint texture[2];
///pierwszy obrazek RGBA - orginalna Lena Söderberg
unsigned char *indata;
///pierwszy obrazek uint8 - przetworzona Lena Söderberg
unsigned char *outdata;


void timerEvent(int value);
//GLUT SSIE!!!
//CHCĘ KJUTA!!

void display()
{
  // execute filter, writing results to pbo
    unsigned int *d_result;
   
	///pierwsza tekstura lena1
	glGenTextures(2, texture);
	glBindTexture(GL_TEXTURE_2D, texture[0]);
	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
	
	glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0,  GL_RGBA, GL_UNSIGNED_BYTE, indata);
	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);

	//druga lena

	glBindTexture(GL_TEXTURE_2D, texture[1]);
	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
	glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
	
	glTexImage2D(GL_TEXTURE_2D, 0, 3, width, height, 0,  GL_LUMINANCE, GL_UNSIGNED_BYTE, outdata);
	glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
    // display results

    glClear(GL_COLOR_BUFFER_BIT);

    glEnable(GL_TEXTURE_2D);
    glDisable(GL_DEPTH_TEST);
	glBindTexture(GL_TEXTURE_2D, texture[0]);
    glBegin(GL_QUADS);
    glTexCoord2f(0, 1);
    glVertex2f(0, 0);
    glTexCoord2f(1, 1);
    glVertex2f(1, 0);
    glTexCoord2f(1, 0);
    glVertex2f(1, 1);
    glTexCoord2f(0, 0);
    glVertex2f(0, 1);
    glEnd();



	
  
	glBindTexture(GL_TEXTURE_2D, texture[1]);
    glBegin(GL_QUADS);
    glTexCoord2f(0, 1);
    glVertex2f(1, 0);
    glTexCoord2f(1, 1);
    glVertex2f(2, 0);
    glTexCoord2f(1, 0);
    glVertex2f(2, 1);
    glTexCoord2f(0, 0);
    glVertex2f(1, 1);
    glEnd();

    glDisable(GL_TEXTURE_2D);

    glutSwapBuffers();
	 
}


void initGL(int *argc, char **argv)
{
	
    // initialize GLUT
    glutInit(argc, argv);
    glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);
    glutInitWindowSize(1024, 512);
    glutCreateWindow("Zad1");
	gluOrtho2D(0, 2, 0, 1);
    glutDisplayFunc(display);


  
    glutTimerFunc(REFRESH_DELAY, timerEvent, 0);

    glewInit();
}
void timerEvent(int value)
{
    glutPostRedisplay();
    glutTimerFunc(REFRESH_DELAY, timerEvent, 0);
}
void main  (int *argc, char **argv)
{
	//rezerwacja pamięci na hoscie
	indata = new unsigned char [4*512*512];
	outdata = new unsigned char [512*512];
	char *my_argv[]= {"myprogram", NULL};
	int my_argc =1;

	sdkLoadPPM4("lena.ppm", &indata, &width,&height);
	printf("loaded image w/h:%d,%d", width,height);

	TreshImg(indata,outdata,width,height);

		initGL(&my_argc,my_argv);
	glutMainLoop();

	///free - host mem
	delete outdata;
	delete indata;
	
}