вот так
public void drawTexture(int posX, int posY, int width, int height) {
GL11.glPushMatrix();
GL11.glEnable(GL11.GL_BLEND);
GL14.glBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ZERO);
GL11.glTranslatef((float) posX, (float) posY...