void TextureLoader::doLoad(ResourceKey key) {
auto found = names.find(key);
if(found == names.end()) return setNotFound(key);
Utility::Resource rs("textures");
if(!tgaImporter->openData(rs.getRaw(found->second + ".tga"))) {
Error() << "TextureLoader: cannot open" << found->second;
return setNotFound(key);
}
auto image = tgaImporter->image2D(0);
if(!image) {
Error() << "TextureLoader: cannot load" << found->second;
return setNotFound(key);
}
/* TODO: fix when glPixelStorei is implemented */
if(image->size().x() % 4) {
Error() << "TextureLoader: with of image" << found->second << "is not divisible by 4";
return setNotFound(key);
}
if(image->size().y() % 2) {
Error() << "TextureLoader: height of image" << found->second << "is not even";
return setNotFound(key);
}
#ifndef MAGNUM_TARGET_GLES
if(image->format() != ColorFormat::Red || image->type() != ColorType::UnsignedByte)
#else
if(image->format() != ColorFormat::Luminance || image->type() != ColorType::UnsignedByte)
#endif
{
Error() << "TextureLoader: image" << found->second << "isn't in greyscale format";
return setNotFound(key);
}
auto texture = new Texture2D;
texture->setMinificationFilter(Sampler::Filter::Nearest)
.setMagnificationFilter(Sampler::Filter::Nearest)
.setWrapping(Sampler::Wrapping::ClampToEdge);
#ifndef MAGNUM_TARGET_GLES
texture->setImage(0, TextureFormat::Red, *image);
#else
texture->setImage(0, TextureFormat::Luminance, *image);
#endif
set(key, texture);
}
void load() {
set("hello", 773, ResourceDataState::Final, ResourcePolicy::Resident);
setNotFound("world");
}
