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gl_stream_buffer: Only flush the host buffer if anything was written. 

This might happen in the new TBO upload path.
This commit is contained in:
Markus Wick 2018-05-19 15:40:46 +02:00
parent 831d4f9aeb
commit 0838c87dac
1 changed files with 1 additions and 1 deletions
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2
src/video_core/renderer_opengl/gl_stream_buffer.cpp
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@ -87,7 +87,7 @@ std::tuple<u8*, GLintptr, bool> OGLStreamBuffer::Map(GLsizeiptr size, GLintptr a
void OGLStreamBuffer::Unmap(GLsizeiptr size) { void OGLStreamBuffer::Unmap(GLsizeiptr size) {
ASSERT(size <= mapped_size); ASSERT(size <= mapped_size);
if (!coherent) { if (!coherent && size > 0) {
glFlushMappedBufferRange(gl_target, buffer_pos - mapped_offset, size); glFlushMappedBufferRange(gl_target, buffer_pos - mapped_offset, size);
} }