diff options
| -rw-r--r-- | core/jni/android_view_GLES20Canvas.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp index dc90da734de7..b720e73785bd 100644 --- a/core/jni/android_view_GLES20Canvas.cpp +++ b/core/jni/android_view_GLES20Canvas.cpp @@ -878,6 +878,23 @@ static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject cl sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface)); if (surfaceTexture->updateTexImage() == NO_ERROR) { + int64_t frameNumber = surfaceTexture->getFrameNumber(); + // If the GLConsumer queue is in synchronous mode, need to discard all + // but latest frame, using the frame number to tell when we no longer + // have newer frames to target. Since we can't tell which mode it is in, + // do this unconditionally. + int dropCounter = 0; + while (surfaceTexture->updateTexImage() == NO_ERROR) { + int64_t newFrameNumber = surfaceTexture->getFrameNumber(); + if (newFrameNumber == frameNumber) break; + frameNumber = newFrameNumber; + dropCounter++; + } + #if DEBUG_RENDERER + if (dropCounter > 0) { + RENDERER_LOGD("Dropped %d frames on texture layer update", dropCounter); + } + #endif surfaceTexture->getTransformMatrix(transform); GLenum renderTarget = surfaceTexture->getCurrentTextureTarget(); |