void cFrameBufferFBO::Bind() {
if ( mFrameBuffer ) {
cGlobalBatchRenderer::instance()->Draw();
BindFrameBuffer();
BindRenderBuffer();
SetBufferView();
}
}
void CTexture::Bind (void)
{
#if DBG
if (int (m_info.handle) <= 0)
return;
#endif
if (m_info.bRenderBuffer)
BindRenderBuffer ();
else
ogl.BindTexture (m_info.handle);
}
bool cFrameBufferFBO::Create( const Uint32& Width, const Uint32& Height, bool DepthBuffer ) {
if ( !IsSupported() )
return false;
if ( NULL == mWindow ) {
mWindow = cEngine::instance()->GetCurrentWindow();
}
mWidth = Width;
mHeight = Height;
mHasDepthBuffer = DepthBuffer;
GLuint frameBuffer = 0;
glGenFramebuffersEXT( 1, &frameBuffer );
mFrameBuffer = static_cast<Int32>( frameBuffer );
if ( !mFrameBuffer)
return false;
BindFrameBuffer();
if ( DepthBuffer ) {
GLuint depth = 0;
glGenRenderbuffersEXT( 1, &depth );
mDepthBuffer = static_cast<unsigned int>(depth);
if ( !mDepthBuffer )
return false;
BindRenderBuffer();
glRenderbufferStorageEXT( GL_RENDERBUFFER, GL_DEPTH_COMPONENT, Width, Height );
glFramebufferRenderbufferEXT( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepthBuffer );
}
if ( NULL == mTexture ) {
Uint32 TexId = cTextureFactory::instance()->CreateEmptyTexture( Width, Height, 4, eeColorA(0,0,0,0) );
if ( cTextureFactory::instance()->TextureIdExists( TexId ) ) {
mTexture = cTextureFactory::instance()->GetTexture( TexId );
} else {
return false;
}
}
glFramebufferTexture2DEXT( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTexture->Handle(), 0 );
if ( glCheckFramebufferStatusEXT( GL_FRAMEBUFFER ) != GL_FRAMEBUFFER_COMPLETE ) {
glBindFramebufferEXT( GL_FRAMEBUFFER, mLastFB );
return false;
}
glBindFramebufferEXT( GL_FRAMEBUFFER, mLastFB );
return true;
}
