/**
* @brief Apply brightness, saturation and contrast to the lightmap.
*/
static void R_FilterLightmap(r_pixel_t width, r_pixel_t height, byte *lightmap) {
static r_image_t image = { .type = IT_LIGHTMAP };
image.width = width;
image.height = height;
R_FilterImage(&image, GL_RGB, lightmap);
}
/*
* @brief Loads the image by the specified name.
*/
r_image_t *R_LoadImage(const char *name, r_image_type_t type) {
r_image_t *image;
char key[MAX_QPATH];
if (!name || !name[0]) {
Com_Error(ERR_DROP, "NULL name\n");
}
StripExtension(name, key);
if (!(image = (r_image_t *) R_FindMedia(key))) {
SDL_Surface *surf;
if (Img_LoadImage(key, &surf)) { // attempt to load the image
image = (r_image_t *) R_AllocMedia(key, sizeof(r_image_t));
image->media.Retain = R_RetainImage;
image->media.Free = R_FreeImage;
image->width = surf->w;
image->height = surf->h;
image->type = type;
if (image->type == IT_NORMALMAP) {
R_LoadHeightmap(name, surf);
}
if (image->type & IT_MASK_FILTER) {
R_FilterImage(image, GL_RGBA, surf->pixels);
}
R_UploadImage(image, GL_RGBA, surf->pixels);
SDL_FreeSurface(surf);
} else {
Com_Debug("Couldn't load %s\n", key);
image = r_image_state.null;
}
}
return image;
}
