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 + ")");
}
}
private static void setupFrameBuffer() {
setupRenderTextures();
if (dfb != 0) {
glDeleteFramebuffersEXT(dfb);
glDeleteRenderbuffersEXT(dfbRenderBuffers);
}
dfb = glGenFramebuffersEXT();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, dfb);
glGenRenderbuffersEXT(dfbRenderBuffers);
for (int i = 0; i < colorAttachments; ++i) {
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, dfbRenderBuffers.get(i));
if (i == 1) { // depth buffer
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB32F_ARB, renderWidth, renderHeight);
} else {
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA, renderWidth, renderHeight);
}
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, dfbDrawBuffers.get(i), GL_RENDERBUFFER_EXT, dfbRenderBuffers.get(i));
glFramebufferTexture2DEXT(
GL_FRAMEBUFFER_EXT, dfbDrawBuffers.get(i), GL_TEXTURE_2D, dfbTextures.get(i), 0);
}
glDeleteRenderbuffersEXT(dfbDepthBuffer);
dfbDepthBuffer = glGenRenderbuffersEXT();
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, dfbDepthBuffer);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, renderWidth, renderHeight);
glFramebufferRenderbufferEXT(
GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, dfbDepthBuffer);
int status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
System.out.println("Failed creating framebuffer! (Status " + status + ")");
}
}
public void glDeleteRenderbuffers(int n, IntBuffer renderbuffers) {
EXTFramebufferObject.glDeleteRenderbuffersEXT(renderbuffers);
}
public void free() {
EXTFramebufferObject.glDeleteRenderbuffersEXT(this.id);
}