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Revert "Remove sentinal GLContext used in early days of Vulkan in our tools"

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This reverts commit bfd97c5935.

Reason for revert: Windows bots crashing.

Original change's description:
> Remove sentinal GLContext used in early days of Vulkan in our tools
> 
> I've ran this through multiple variations of dm and nanobench on Linux
> and no longer see any crash/hangs. I forget what the original repo case
> for the bug was, but I'm at least not seeing it now with updated drivers.
> 
> BUG=skia:
> 
> Change-Id: I6b7129a4c4d67938baa35d2e2c720cb078fc4c18
> Reviewed-on: https://skia-review.googlesource.com/7441
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> 

TBR=egdaniel@google.com,bsalomon@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Change-Id: I94a16b2b13d09182232061b0aebd0d58df96db8a
Reviewed-on: https://skia-review.googlesource.com/7453
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
This commit is contained in:
Brian Salomon 2017-01-24 22:22:05 +00:00 committed by Skia Commit-Bot
parent 901f29ad3e
commit 7f9c29a887
2 changed files with 10 additions and 0 deletions
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9
tools/gpu/GrContextFactory.cpp
View File

@ -191,6 +191,15 @@ ContextInfo GrContextFactory::getContextInfo(ContextType type, ContextOptions op
return ContextInfo();
}
// There is some bug (either in Skia or the NV Vulkan driver) where VkDevice
// destruction will hang occaisonally. For some reason having an existing GL
// context fixes this.
if (!fSentinelGLContext) {
fSentinelGLContext.reset(CreatePlatformGLTestContext(kGL_GrGLStandard));
if (!fSentinelGLContext) {
fSentinelGLContext.reset(CreatePlatformGLTestContext(kGLES_GrGLStandard));
}
}
backendContext = testCtx->backendContext();
break;
#endif

1
tools/gpu/GrContextFactory.h
View File

@ -163,6 +163,7 @@ private:
bool fAbandoned;
};
SkTArray<Context, true> fContexts;
std::unique_ptr<GLTestContext> fSentinelGLContext;
const GrContextOptions fGlobalOptions;
};
} // namespace sk_gpu_test