2 * Copyright (C) 2012 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef ANDROID_SURFACEFLINGERCONSUMER_H
18 #define ANDROID_SURFACEFLINGERCONSUMER_H
20 #include <gui/GLConsumer.h>
23 // ----------------------------------------------------------------------------
26 * This is a thin wrapper around GLConsumer.
28 class SurfaceFlingerConsumer : public GLConsumer {
30 SurfaceFlingerConsumer(const sp<BufferQueue>& bq, GLuint tex,
31 GLenum texTarget = GL_TEXTURE_EXTERNAL_OES,
32 bool useFenceSync = true)
33 : GLConsumer(bq, tex, texTarget, useFenceSync)
36 class BufferRejecter {
37 friend class SurfaceFlingerConsumer;
38 virtual bool reject(const sp<GraphicBuffer>& buf,
39 const BufferQueue::BufferItem& item) = 0;
42 virtual ~BufferRejecter() { }
45 // This version of updateTexImage() takes a functor that may be used to
46 // reject the newly acquired buffer. Unlike the GLConsumer version,
47 // this does not guarantee that the buffer has been bound to the GL
49 status_t updateTexImage(BufferRejecter* rejecter);
51 // See GLConsumer::bindTextureImageLocked().
52 status_t bindTextureImage();
55 nsecs_t computeExpectedPresent();
58 // ----------------------------------------------------------------------------
59 }; // namespace android
61 #endif // ANDROID_SURFACEFLINGERCONSUMER_H