private boolean initTexture(GL4 gl4) {
try {
jgli.Texture2d texture = new Texture2d(jgli.Load.load(TEXTURE_ROOT + "/" + TEXTURE_DIFFUSE));
jgli.Gl.Format format = jgli.Gl.translate(texture.format());
gl4.glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
gl4.glGenTextures(1, textureName);
gl4.glActiveTexture(GL_TEXTURE0);
gl4.glBindTexture(GL_TEXTURE_2D_ARRAY, textureName.get(0));
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_R, GL_RED);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_BASE_LEVEL, 0);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, texture.levels() - 1);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
gl4.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gl4.glTexStorage3D(
GL_TEXTURE_2D_ARRAY,
texture.levels(),
format.internal.value,
texture.dimensions(0)[0],
texture.dimensions(0)[1],
1);
for (int level = 0; level < texture.levels(); ++level) {
gl4.glTexSubImage3D(
GL_TEXTURE_2D_ARRAY,
level,
0,
0,
0,
texture.dimensions(level)[0],
texture.dimensions(level)[1],
1,
format.external.value,
format.type.value,
texture.data(level));
}
gl4.glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
} catch (IOException ex) {
Logger.getLogger(Gl_430_texture_storage.class.getName()).log(Level.SEVERE, null, ex);
}
return true;
}
