Clear GL errors before updating a SurfaceTexture.

Change-Id: Ibdac657ae9e9ccae53c63abed9caf1f1513915c2

1 files changed, 10 insertions, 2 deletions

diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp
index 1dadd53891..236ff4fd14 100644
--- a/libs/gui/SurfaceTexture.cpp
+++ b/libs/gui/SurfaceTexture.cpp
@@ -219,11 +219,19 @@ status_t SurfaceTexture::updateTexImage() {
             mSlots[mLastQueued].mEglImage = image;
             mSlots[mLastQueued].mEglDisplay = dpy;
         }
+
+        GLint error;
+        while ((error = glGetError()) != GL_NO_ERROR) {
+            LOGE("GL error cleared before updating SurfaceTexture: %#04x", error);
+        }
         glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, (GLeglImageOES)image);
-        GLint error = glGetError();
-        if (error != GL_NO_ERROR) {
+        bool failed = false;
+        while ((error = glGetError()) != GL_NO_ERROR) {
             LOGE("error binding external texture image %p (slot %d): %#04x",
                     image, mLastQueued, error);
+            failed = true;
+        }
+        if (failed) {
             return -EINVAL;
         }