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Guard buffer copy on size

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This commit is contained in:
Zach Pomerantz 2016-05-18 10:56:48 -07:00
parent e8c86a3fe4
commit df3fb2a0e8
1 changed files with 1 additions and 1 deletions
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2
libraries/gpu/src/gpu/GLBackendBuffer.cpp
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@ -34,7 +34,7 @@ GLBackend::GLBuffer::GLBuffer(const Buffer& buffer, GLBuffer* original) :
} }
glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ARRAY_BUFFER, 0);
if (original) { if (original && original->_size) {
glBindBuffer(GL_COPY_WRITE_BUFFER, _buffer); glBindBuffer(GL_COPY_WRITE_BUFFER, _buffer);
glBindBuffer(GL_COPY_READ_BUFFER, original->_buffer); glBindBuffer(GL_COPY_READ_BUFFER, original->_buffer);
glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, original->_size); glCopyBufferSubData(GL_COPY_READ_BUFFER, GL_COPY_WRITE_BUFFER, 0, 0, original->_size);