We're seeing a consistent crash with a stack trace indicating that the ICD crashes
while doing a copy of a depth buffer to another buffer with Blit or CopyTexSubImage.
[0] ig7icd64.dll
[1] ig7icd64.dll
[2] ig7icd64.dll
[3] ig7icd64.dll
[4] ig7icd64.dll
[5] LLRenderTarget::copyContents(LLRenderTarget &,int,int,int,int,int,int,int,int,unsigned int,unsigned int)
[6] LLPipeline::downsampleDepthBuffer(LLRenderTarget &,LLRenderTarget &,LLRenderTarget *)
[7] LLPipeline::renderGeomPostDeferred(LLCamera &,bool)
[8] LLPipeline::renderDeferredLighting()
[9] display(int,float,int,int)
[10] LLAppViewer::doFrame()
[11] LLAppViewer::frame()
[12] WinMain
[13] __tmainCRTStartup
[14] kernel32.dll
[15] ntdll.dll
[16] kernel32.dll
[17] kernel32.dll
We've seen several hundred instances of this crash in Windows 7 driver versions both 32 and 64 bit.
