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Issue #1354 - Clear the current context when MakeCurrent() fails.

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wolfbeast 2020-01-20 22:35:36 +01:00 • committed by Roy Tam
commit 9d76eb5791
10 changed files with 81 additions and 95 deletions
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7
dom/canvas/WebGLContextValidate.cpp
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@ -440,6 +440,13 @@ WebGLContext::InitAndValidateGL(FailureReason* const out_failReason)
{
MOZ_RELEASE_ASSERT(gl, "GFX: GL not initialized");
if (!gl->MakeCurrent(true)) {
MOZ_ASSERT(false);
*out_failReason = { "FEATURE_FAILURE_WEBGL_MAKECURRENT",
"Failed to MakeCurrent for init." };
return false;
}
// Unconditionally create a new format usage authority. This is
// important when restoring contexts and extensions need to add
// formats back into the authority.