| 202 | } |
| 203 | |
| 204 | bool GLES2FrameBufferObject::bind(bool recreateIfNeeded) |
| 205 | { |
| 206 | GLRenderSystemCommon* rs = static_cast<GLRenderSystemCommon*>(Root::getSingleton().getRenderSystem()); |
| 207 | GLContext* currentContext = rs->_getCurrentContext(); |
| 208 | if(mContext && mContext != currentContext) // FBO is unusable with current context, destroy it |
| 209 | { |
| 210 | if(mFB != 0) |
| 211 | rs->_destroyFbo(mContext, mFB); |
| 212 | if(mMultisampleFB != 0) |
| 213 | rs->_destroyFbo(mContext, mMultisampleFB); |
| 214 | |
| 215 | mContext = 0; |
| 216 | mFB = 0; |
| 217 | mMultisampleFB = 0; |
| 218 | } |
| 219 | |
| 220 | if(!mContext && recreateIfNeeded) // create FBO lazy or recreate after destruction |
| 221 | { |
| 222 | mContext = currentContext; |
| 223 | |
| 224 | // Generate framebuffer object |
| 225 | OGRE_CHECK_GL_ERROR(glGenFramebuffers(1, &mFB)); |
| 226 | |
| 227 | // Check if multisampling supported |
| 228 | if(rs->hasMinGLVersion(3, 0)) |
| 229 | { |
| 230 | // Check samples supported |
| 231 | GLint maxSamples; |
| 232 | OGRE_CHECK_GL_ERROR(glGetIntegerv(GL_MAX_SAMPLES_APPLE, &maxSamples)); |
| 233 | mNumSamples = std::min(mNumSamples, maxSamples); |
| 234 | } |
| 235 | else |
| 236 | { |
| 237 | mNumSamples = 0; |
| 238 | } |
| 239 | |
| 240 | // Will we need a second FBO to do multisampling? |
| 241 | if (mNumSamples) |
| 242 | { |
| 243 | OGRE_CHECK_GL_ERROR(glGenFramebuffers(1, &mMultisampleFB)); |
| 244 | } |
| 245 | else |
| 246 | { |
| 247 | mMultisampleFB = 0; |
| 248 | } |
| 249 | |
| 250 | // Re-initialise |
| 251 | if(mColour[0].buffer) |
| 252 | initialise(); |
| 253 | } |
| 254 | |
| 255 | if(mContext) |
| 256 | OGRE_CHECK_GL_ERROR(glBindFramebuffer(GL_FRAMEBUFFER, mMultisampleFB ? mMultisampleFB : mFB)); |
| 257 | |
| 258 | return mContext != 0; |
| 259 | } |
| 260 | |
| 261 | void GLES2FrameBufferObject::swapBuffers() |
no test coverage detected