Check for getColorAttachment returning null before using it.

BUG=angleproject:1916 Change-Id: I98413198089081cc354e9e14dff95f233c3f34ff Reviewed-on: https://chromium-review.googlesource.com/446044Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

Check for getColorAttachment returning null before using it.
89fcb8e8 · Milan Sreckovic · Commit Bot · c16678a2 · 89fcb8e8
Commit 89fcb8e8 authored Feb 22, 2017 by Milan Sreckovic Committed by Commit Bot Feb 23, 2017
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Framebuffer11.cpp src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp +4 -1

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--- a/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp
+++ b/src/libANGLE/renderer/d3d/d3d11/Framebuffer11.cpp
@@ -182,7 +182,10 @@ gl::Error Framebuffer11::invalidateBase(size_t count, const GLenum *attachments,
                size_t colorIndex =
                    (attachments[i] == GL_COLOR ? 0u : (attachments[i] - GL_COLOR_ATTACHMENT0));
                auto colorAttachment = mState.getColorAttachment(colorIndex);
-                ANGLE_TRY(invalidateAttachment(colorAttachment));
+                if (colorAttachment)
+                {
+                    ANGLE_TRY(invalidateAttachment(colorAttachment));
+                }
                break;
            }
        }