void newScenes(int sc1, int sc2)
{
sprintf(fileName, "cg_%d_%d.txt", sc1, sc2);
fileName[10] = '\0';
if((pts = fopen(fileName, "r")) == NULL){
printf("Couldn't open file: %s\n", fileName);
exit(EXIT_FAILURE);
}
char *ln;
size_t sz;
posLen = 0;
while((ln = fgetln(pts, &sz)) != NULL)
{
fillPoint(&(posList[posLen]), ln);
posLen++;
}
fclose(pts);
sprintf(progName, "cg_%d_%d.cg", sc1, sc2);
cgGLUnbindProgram(f_prof);
cgGLEnableProfile(f_prof);
gen = cgCreateProgramFromFile(context, CG_SOURCE, progName, f_prof, "main", NULL);
cgGLLoadProgram(gen);
cgGLBindProgram(gen);
cgGLEnableProfile(f_prof);
}
int main( int argc, char **argv )
{
glutInit( &argc, argv );
glutInitWindowSize(1000, 1000);
glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow("Fractal Shader");
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutMotionFunc(mouseMove);
glutMouseFunc(mouseAction);
glutIdleFunc(OnIdle);
glutKeyboardFunc(keyAction);
glutKeyboardUpFunc(keyUp);
glClearColor(0, 0, 0, 1);
CGcontext context = cgCreateContext();
if(context == NULL){
printf("Failed to create CGcontext\n");
return 1;
}
f_prof = cgGLGetLatestProfile(CG_GL_FRAGMENT);
v_prof = cgGLGetLatestProfile(CG_GL_VERTEX);
printf("%d, %d\n", f_prof, v_prof);
chdir("/Users/peter/Desktop/CG/cgtest");
julia = cgCreateProgramFromFile(context, CG_SOURCE, "Julia.cg", f_prof, "main", NULL);
newton = cgCreateProgramFromFile(context, CG_SOURCE, "Newton.cg", f_prof, "main", NULL);
mandel = cgCreateProgramFromFile(context, CG_SOURCE, "Mandel.cg", f_prof, "main", NULL);
ship = cgCreateProgramFromFile(context, CG_SOURCE, "Ship.cg", f_prof, "main", NULL);
pass = cgCreateProgramFromFile(context, CG_SOURCE, "Pass.cg", v_prof, "main", NULL);
gen = cgCreateProgramFromFile(context, CG_SOURCE, "GenIter.cg", f_prof, "main", NULL);
printf("%s\n", cgGetErrorString(cgGetError()));
cgGLLoadProgram(julia);
cgGLLoadProgram(newton);
cgGLLoadProgram(mandel);
cgGLLoadProgram(ship);
cgGLLoadProgram(gen);
cgGLLoadProgram(pass);
//printf("%s\n", cgGetErrorString(cgGetError()));
cgGLEnableProfile(f_prof);
cgGLEnableProfile(v_prof);
printf("%s\n", cgGetErrorString(cgGetError()));
Position demoList[7];
fillPoint(&demoList[0], 0.297205, 0.063085, 0.001157, 1.012991, 15.0, 7);
fillPoint(&demoList[1], 0.134370, 0.042840, 0.043976, 1.008928, 15.0, 7);
fillPoint(&demoList[2], -0.129831, -0.637758, 0.507148, 1.103996, 15.0, 7);
fillPoint(&demoList[3], -0.162030, -1.02009, 0.041826, 0.983991, 15.0, 7);
fillPoint(&demoList[4], -0.139263, -1.846086, 0.002345, 0.516934, 15.0, 7);
fillPoint(&demoList[5], -0.138215, -1.910406, 0.001638, 0.495934, 15.0, 7);
fillPoint(&demoList[6], -0.138215, -3.552904, 0.302149, 0.149937, 15.0, 7);
posList = demoList;
zoom = 0.001157;
glutMainLoop();
return 0;
}
void PipeLine::drawLine(int x1,int y1,int x2,int y2,uint32_t c,uint32_t depth){
if( clipLine(x1,y1,x2,y2) == false)
return;
int x, y, rem = 0;
if (x1 == x2 && y1 == y2) {
fillPoint( x1, y1, c,depth);
}else if (x1 == x2) {
int inc = (y1 <= y2)? 1 : -1;
for (y = y1; y != y2; y += inc) fillPoint( x1, y, c,depth);
fillPoint( x2, y2, c,depth);
}else if (y1 == y2) {
int inc = (x1 <= x2)? 1 : -1;
for (x = x1; x != x2; x += inc) fillPoint( x, y1, c,depth);
fillPoint( x2, y2, c,depth);
}else {
// Bresenham line
int dx = (x1 < x2)? (x2 - x1) : (x1 - x2);
int dy = (y1 < y2)? (y2 - y1) : (y1 - y2);
if (dx >= dy) {
/* x axis 每次加1 y + dy 如果大于 dx需要矫正
*/
if (x2 < x1) { std::swap(x1, x2);std::swap(y1, y2); }
int delta = (y2 >= y1)? 1 : -1;
for (x = x1, y = y1; x <= x2; x++/* x 每次加1 */) {
rem += dy;
if (rem >= dx) {
rem -= dx;
y += delta;
}
fillPoint(x,y,c,depth);
}
}else {
if (y2 < y1) std::swap(x1,x2),std::swap(y1,y2);
int delta = (x2 >= x1)? 1 : -1;
for (x = x1, y = y1; y <= y2; y++) {
rem += dx;
if (rem >= dy) {
rem -= dy;
x += delta;
}
fillPoint(x, y,c,depth);
}
}
fillPoint(x2,y2,c,depth);
}
}
