private static void setupShadowFrameBuffer() {
if (shadowPassInterval <= 0) {
return;
}
setupShadowRenderTexture();
glDeleteFramebuffersEXT(sfb);
sfb = glGenFramebuffersEXT();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, sfb);
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
glDeleteRenderbuffersEXT(sfbDepthBuffer);
sfbDepthBuffer = glGenRenderbuffersEXT();
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, sfbDepthBuffer);
glRenderbufferStorageEXT(
GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, shadowMapWidth, shadowMapHeight);
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, sfbDepthBuffer);
glFramebufferTexture2DEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, sfbDepthTexture, 0);
int status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("Failed creating shadow framebuffer! (Status " + status + ")");
}
}
