commit b26ab82541499c7bca250484a6f962a4a663bfa1
author Geoff Lang <geofflang@chromium.org> Tue May 29 11:19:00 2018 -0400
committer Commit Bot <commit-bot@chromium.org> Tue May 29 16:36:27 2018 +0000
tree f989e14b5684fcc371f46e1f20660b4932ac7974
parent c2014bce887e40aee27b899c72d436ae11ec2a52

Return a program binary size of 0 when the program is not linked.

From the GLES3 spec:
"... When a program object's LINK_STATUS is FALSE, its program binary
length is zero ..."

Querying the size was generating errors in the GL backend.

BUG=angleproject:2569

Change-Id: I1be511040331abaec2bba98502d8aa88fb4bd19c
Reviewed-on: https://chromium-review.googlesource.com/1076317
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/libANGLE/Program.cpp

diff --git a/src/libANGLE/Program.cpp b/src/libANGLE/Program.cpp
index e0a697e..7a736e0 100644
--- a/src/libANGLE/Program.cpp
+++ b/src/libANGLE/Program.cpp
@@ -1401,6 +1401,11 @@
 
 GLint Program::getBinaryLength(const Context *context) const
 {
+    if (!mLinked)
+    {
+        return 0;
+    }
+
     GLint length;
     Error error = saveBinary(context, nullptr, nullptr, std::numeric_limits<GLint>::max(), &length);
     if (error.isError())