Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 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 |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_SURFACEFLINGERCONSUMER_H |
| 18 | #define ANDROID_SURFACEFLINGERCONSUMER_H |
| 19 | |
Andy McFadden | 2adaf04 | 2012-12-18 09:49:45 -0800 | [diff] [blame] | 20 | #include <gui/GLConsumer.h> |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 21 | |
| 22 | namespace android { |
| 23 | // ---------------------------------------------------------------------------- |
| 24 | |
| 25 | /* |
Andy McFadden | 2adaf04 | 2012-12-18 09:49:45 -0800 | [diff] [blame] | 26 | * This is a thin wrapper around GLConsumer. |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 27 | */ |
Andy McFadden | 2adaf04 | 2012-12-18 09:49:45 -0800 | [diff] [blame] | 28 | class SurfaceFlingerConsumer : public GLConsumer { |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 29 | public: |
Mathias Agopian | 3f84483 | 2013-08-07 21:24:32 -0700 | [diff] [blame] | 30 | SurfaceFlingerConsumer(const sp<BufferQueue>& bq, uint32_t tex) |
| 31 | : GLConsumer(bq, tex, GLConsumer::TEXTURE_EXTERNAL, false) |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 32 | {} |
| 33 | |
| 34 | class BufferRejecter { |
| 35 | friend class SurfaceFlingerConsumer; |
| 36 | virtual bool reject(const sp<GraphicBuffer>& buf, |
Mathias Agopian | db89edc | 2013-08-02 01:40:18 -0700 | [diff] [blame] | 37 | const IGraphicBufferConsumer::BufferItem& item) = 0; |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 38 | |
| 39 | protected: |
| 40 | virtual ~BufferRejecter() { } |
| 41 | }; |
| 42 | |
Mathias Agopian | c1c05de | 2013-09-17 23:45:22 -0700 | [diff] [blame] | 43 | virtual status_t acquireBufferLocked(BufferQueue::BufferItem *item, nsecs_t presentWhen); |
| 44 | |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 45 | // This version of updateTexImage() takes a functor that may be used to |
Andy McFadden | 2adaf04 | 2012-12-18 09:49:45 -0800 | [diff] [blame] | 46 | // reject the newly acquired buffer. Unlike the GLConsumer version, |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 47 | // this does not guarantee that the buffer has been bound to the GL |
| 48 | // texture. |
| 49 | status_t updateTexImage(BufferRejecter* rejecter); |
| 50 | |
Andy McFadden | 2adaf04 | 2012-12-18 09:49:45 -0800 | [diff] [blame] | 51 | // See GLConsumer::bindTextureImageLocked(). |
Andy McFadden | 97eba89 | 2012-12-11 15:21:45 -0800 | [diff] [blame] | 52 | status_t bindTextureImage(); |
Andy McFadden | 1585c4d | 2013-06-28 13:52:40 -0700 | [diff] [blame] | 53 | |
Mathias Agopian | c1c05de | 2013-09-17 23:45:22 -0700 | [diff] [blame] | 54 | // must be called from SF main thread |
| 55 | bool getTransformToDisplayInverse() const; |
| 56 | |
Andy McFadden | 1585c4d | 2013-06-28 13:52:40 -0700 | [diff] [blame] | 57 | private: |
| 58 | nsecs_t computeExpectedPresent(); |
Mathias Agopian | c1c05de | 2013-09-17 23:45:22 -0700 | [diff] [blame] | 59 | |
| 60 | // Indicates this buffer must be transformed by the inverse transform of the screen |
| 61 | // it is displayed onto. This is applied after GLConsumer::mCurrentTransform. |
| 62 | // This must be set/read from SurfaceFlinger's main thread. |
| 63 | bool mTransformToDisplayInverse; |
Andy McFadden | bf974ab | 2012-12-04 16:51:15 -0800 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | // ---------------------------------------------------------------------------- |
| 67 | }; // namespace android |
| 68 | |
| 69 | #endif // ANDROID_SURFACEFLINGERCONSUMER_H |