replicant-frameworks_native/services/surfaceflinger/SurfaceFlingerConsumer.h
Mathias Agopian 8f938a5338 always pass the BufferQueue explicitely to consumers
Change-Id: I883b0a7b19d8e722f9ab714ba6f49e658b02ca86
2013-07-12 22:06:26 -07:00

62 lines
1.9 KiB
C++

/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SURFACEFLINGERCONSUMER_H
#define ANDROID_SURFACEFLINGERCONSUMER_H
#include <gui/GLConsumer.h>
namespace android {
// ----------------------------------------------------------------------------
/*
* This is a thin wrapper around GLConsumer.
*/
class SurfaceFlingerConsumer : public GLConsumer {
public:
SurfaceFlingerConsumer(const sp<BufferQueue>& bq, GLuint tex,
GLenum texTarget = GL_TEXTURE_EXTERNAL_OES,
bool useFenceSync = true)
: GLConsumer(bq, tex, texTarget, useFenceSync)
{}
class BufferRejecter {
friend class SurfaceFlingerConsumer;
virtual bool reject(const sp<GraphicBuffer>& buf,
const BufferQueue::BufferItem& item) = 0;
protected:
virtual ~BufferRejecter() { }
};
// This version of updateTexImage() takes a functor that may be used to
// reject the newly acquired buffer. Unlike the GLConsumer version,
// this does not guarantee that the buffer has been bound to the GL
// texture.
status_t updateTexImage(BufferRejecter* rejecter);
// See GLConsumer::bindTextureImageLocked().
status_t bindTextureImage();
private:
nsecs_t computeExpectedPresent();
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_SURFACEFLINGERCONSUMER_H