Set the texture to cleared in VideoDecodeAccelerator::PictureReady.

content/common/gpu/media/exynos_video_decode_accelerator.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // This file contains an implementation of VideoDecoderAccelerator
 // that utilizes the hardware video decoder present on the Exynos SoC.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_EXYNOS_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_EXYNOS_VIDEO_DECODE_ACCELERATOR_H_
 
@@ skipping 159 matching lines @@
   // Record for GSC output buffers.
   struct GscOutputRecord {
     GscOutputRecord();
     ~GscOutputRecord();
     bool at_device;        // held by device.
     bool at_client;        // held by client.
     int fd;                // file descriptor from backing EGLImage.
     EGLImageKHR egl_image; // backing EGLImage.
     EGLSyncKHR egl_sync;   // sync the compositor's use of the EGLImage.
     int32 picture_id;      // picture buffer id as returned to PictureReady().
+    bool cleared;          // the texture has been cleared
   };
 
   //
   // Decoding tasks, to be run on decode_thread_.
   //
 
   // Enqueue a BitstreamBuffer to decode.  This will enqueue a buffer to the
   // decoder_input_queue_, then queue a DecodeBufferTask() to actually decode
   // the buffer.
   void DecodeTask(const media::BitstreamBuffer& bitstream_buffer);
@@ skipping 273 matching lines @@
 
   // The codec we'll be decoding for.
   media::VideoCodecProfile video_profile_;
 
   DISALLOW_COPY_AND_ASSIGN(ExynosVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_EXYNOS_VIDEO_DECODE_ACCELERATOR_H_