void shad_init(void)
{
shad_text = make_image_from_file(IMG_SHAD, IF_MIPMAP);
if (config_get_d(CONFIG_SHADOW) == 2)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
/* Create the clip texture. */
glGenTextures(1, &clip_text);
glBindTexture(GL_TEXTURE_2D, clip_text);
glTexImage2D(GL_TEXTURE_2D, 0,
GL_LUMINANCE_ALPHA, 1, 2, 0,
GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, clip_data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
void shad_init(void)
{
shad_text = make_image_from_file(IMG_SHAD);
if (config_get_d(CONFIG_SHADOW) == 2)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
}
}
int main(int arg_count, char ** args) {
if(arg_count >= 3) {
int procimage = 0, status = 0, repetition=1, fils[3] = {0}, fd[2], pix[3] = {0};
clock_t start = clock(), end = 0;
time_t temps[2]; time(&temps[0]);
char message[3] = "00\0";
/// traitement des arguments
if(arg_count == 4) {
repetition = strtoul(args[3], 0, 0);
}
/// creation des images
struct image input = make_image_from_file(args[1]);
/// ouverture des communications
pipe(fd);
for(int i = 0 ; i < repetition ; ++i) { /// nombre de repetition
for(int j = 0 ; j < 3 ; ++j) { /// traitement par canal
pix[j] = 0;
fils[j] = fork();
if(!fils[j]) {
para_blur_image(&input, fd, strtoul(args[2], 0, 0), j);
return 0;
}
}
// reception des pixels
int nbPixels = 3 * input.row_count * input.column_count;
close(fd[1]); // fermeture ecriture
while(pix[0]+pix[1]+pix[2] < nbPixels) {
message[0] = 0; message[1] = 0;
read(fd[0], &message, sizeof(message)); //lecture
input.data.as_rgb8[pix[(int)message[0]]++][(int)message[0]] = (int)message[1];
}
/// attente fin de traitement
for(int j = 0 ; j < 3 ; ++j)
waitpid(fils[j], &status, 0);
printf("Passe %d/%d\n", i+1, repetition);
}
end = clock();
time(&temps[1]);
printf("Temps d'execution (clks) : %f\n", (double)(end-start)/CLOCKS_PER_SEC);
printf("Temps d'execution (secs) : %f\n", difftime(temps[1], temps[0]));
/// affichage a l'ecran
FILE * final = tmpfile();
if(final == NULL)
printf("Impossible de creer un fichier temporaire.\n");
else {
int main(int arg_count, char **args)
{
if(arg_count == 4)
{
struct image input = make_image_from_file(args[1]);
struct image output = make_image(input.type, input.row_count, input.column_count, input.max_value);
blur_image(&input, &output, strtoul(args[3], 0, 0));
write_image_to_file(&output, args[2]);
}
else
{
fprintf(stderr, "Essaie plutôt : %s input.ppm output.ppm 10", args[0]);
}
}
void back_init(const char *name)
{
if (back_state)
back_free();
/* Load the background SOL and modify its material in-place to use the */
/* named gradient texture. */
if (sol_load_full(&back, "geom/back/back.sol", 0))
{
struct mtrl *mp = mtrl_get(back.base.mtrls[0]);
mp->o = make_image_from_file(name, IF_MIPMAP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
back_state = 1;
}
}
int main(int arg_count, char ** args) {
if(arg_count >= 3) {
int procimage = 0, status = 0, repetition=1, fils[3] = {0}, shm = 0;
clock_t start = clock(), end = 0;
time_t temps[2]; time(&temps[0]);
/// traitement des arguments
if(arg_count == 4) {
repetition = strtoul(args[3], 0, 0);
}
/// creation des images
struct image input = make_image_from_file(args[1]);
struct image output = make_image(input.type, input.row_count, input.column_count, input.max_value);
/// ouverture des communications
shm = shmget(ftok("./semtest", 1407), get_image_byte_count(&input), 0660 | IPC_CREAT);
output.data.as_rgb8 = shmat(shm, 0, 0);
shmctl(shm, IPC_RMID, 0);
for(int i = 0 ; i < repetition ; ++i) { /// nombre de repetition
for(int j = 0 ; j < 3 ; ++j) { /// traitement par canal
fils[j] = fork();
if(!fils[j]) {
para_blur_image(&input, &output, strtoul(args[2], 0, 0), j);
shmdt(output.data.as_rgb8);
return 0;
}
}
/// attente fin de traitement
for(int j = 0 ; j < 3 ; ++j)
waitpid(fils[j], &status, 0);
printf("Passe %d/%d\n", i+1, repetition);
}
end = clock();
time(&temps[1]);
printf("Temps d'execution (clks) : %f\n", (double)(end-start)/CLOCKS_PER_SEC);
printf("Temps d'execution (secs) : %f\n", difftime(temps[1], temps[0]));
/// affichage a l'ecran
FILE * final = tmpfile();
if(final == NULL)
printf("Impossible de creer un fichier temporaire.\n");
else {