private boolean initTexture(GL3 gl3) {
try {
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
assert (!texture.empty());
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
gl3.glGenTextures(1, textureName);
gl3.glActiveTexture(GL_TEXTURE0);
gl3.glBindTexture(GL_TEXTURE_2D, textureName.get(0));
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, texture.levels() - 1);
gl3.glTexParameteri(
GL_TEXTURE_2D,
GL_TEXTURE_MIN_FILTER,
texture.levels() == 1 ? GL_NEAREST : GL_NEAREST_MIPMAP_NEAREST);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl3.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_LOD, -1000.f);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 1000.f);
gl3.glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, 0.0f);
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
for (int level = 0; level < texture.levels(); ++level) {
gl3.glTexImage2D(
GL_TEXTURE_2D,
level,
format.internal.value,
texture.dimensions(level)[0],
texture.dimensions(level)[1],
0,
format.external.value,
format.type.value,
texture.data(level));
}
if (texture.levels() == 1) {
gl3.glGenerateMipmap(GL_TEXTURE_2D);
}
gl3.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
} catch (IOException ex) {
Logger.getLogger(Gl_320_texture_2d.class.getName()).log(Level.SEVERE, null, ex);
}
return true;
}
