commit e613587cffd33dbf48b89fb87bb554f29ccae9d6
author Vathsala Nagaraju <vathsala.nagaraju@imgtec.com> Tue Oct 15 16:53:25 2019 +0100
committer Vathsala Nagaraju <vathsala.nagaraju@imgtec.com> Thu Oct 17 09:57:48 2019 +0100
tree 7649f78514734bab1637c9753984d833ecd8a6ff
parent 46e2b45a3082918d8cafe22fd0e69c7cd21cb713

glClear after allocating glRenderbufferStorage

As per the spec,contents of data store after
calling glRenderbufferStorage are undefined.
Zeroing with glClear.

Bug: 142697915

Change-Id: I07a302aac3e1f82fc12051e15ba2128f43dc6dd4

tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp

diff --git a/tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp b/tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp
index fd0d37b..8ba89a2 100644
--- a/tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp
+++ b/tests/tests/nativehardware/jni/AHardwareBufferGLTest.cpp
@@ -1087,6 +1087,8 @@
                 glRenderbufferStorage(GL_RENDERBUFFER, default_formats[i], width, height);
                 glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment_points[i],
                                           GL_RENDERBUFFER, renderbuffer);
+                glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+                glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
                 break;
             }
             default: FAIL() << "Unrecognized binding type";