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Commit 84fa15ce authored by Eino-Ville Talvala's avatar Eino-Ville Talvala Committed by Android Git Automerger
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am f3c61c66: am a84ca8a3: Merge "TextureView/GLES20Canvas: Support synchronous... 

am f3c61c66: am a84ca8a3: Merge "TextureView/GLES20Canvas: Support synchronous GLConsumers" into klp-dev

* commit 'f3c61c66':
  TextureView/GLES20Canvas: Support synchronous GLConsumers
parents 9bef5b67 f3c61c66

core/jni/android_view_GLES20Canvas.cpp

+17 −0
Original line number Diff line number Diff line
@@ -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();