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Guard against zero-sized gl buffer copy

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Zach Pomerantz 2016-05-20 09:27:50 -07:00
parent 1cce891f7c
commit fff260c2b9
1 changed files with 1 additions and 1 deletions
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2
libraries/gpu-gl/src/gpu/gl41/GL41BackendBuffer.cpp
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@ -25,7 +25,7 @@ public:
glBufferData(GL_ARRAY_BUFFER, _size, nullptr, GL_DYNAMIC_DRAW);
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);