Guard buffer copy on size

This commit is contained in:
Zach Pomerantz 2016-05-18 10:56:48 -07:00
parent e8c86a3fe4
commit df3fb2a0e8

View file

@ -34,7 +34,7 @@ GLBackend::GLBuffer::GLBuffer(const Buffer& buffer, GLBuffer* original) :
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
if (original) {
if (original && original->_size) {
glBindBuffer(GL_COPY_WRITE_BUFFER, _buffer);
glBindBuffer(GL_COPY_READ_BUFFER, original->_buffer);
glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, original->_size);