Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * Copyright (C) 2012, Code Aurora Forum. All rights reserved. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | #ifndef HWC_VIDEO_H |
| 18 | #define HWC_VIDEO_H |
| 19 | #include "hwc_utils.h" |
| 20 | |
| 21 | #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) |
| 22 | #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) |
| 23 | |
| 24 | namespace qhwc { |
| 25 | //Feature for using overlay to display videos. |
| 26 | class VideoOverlay { |
| 27 | public: |
| 28 | //Sets up members and prepares overlay if conditions are met |
Saurabh Shah | 3e858eb | 2012-09-17 16:53:21 -0700 | [diff] [blame] | 29 | static bool prepare(hwc_context_t *ctx, hwc_display_contents_1_t *list, |
| 30 | int dpy); |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 31 | //Draws layer if this feature is on |
Saurabh Shah | 3e858eb | 2012-09-17 16:53:21 -0700 | [diff] [blame] | 32 | static bool draw(hwc_context_t *ctx, hwc_display_contents_1_t *list, |
| 33 | int dpy); |
Naseer Ahmed | 4c588a2 | 2012-07-31 19:12:17 -0700 | [diff] [blame] | 34 | //resets values |
| 35 | static void reset(); |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 36 | private: |
| 37 | //Choose an appropriate overlay state based on conditions |
Saurabh Shah | 3e858eb | 2012-09-17 16:53:21 -0700 | [diff] [blame] | 38 | static void chooseState(hwc_context_t *ctx, int dpy, |
| 39 | hwc_layer_1_t *yuvLayer); |
Naseer Ahmed | 4c588a2 | 2012-07-31 19:12:17 -0700 | [diff] [blame] | 40 | //Configures overlay for video prim and ext |
Saurabh Shah | 3e858eb | 2012-09-17 16:53:21 -0700 | [diff] [blame] | 41 | static bool configure(hwc_context_t *ctx, int dpy, |
| 42 | hwc_layer_1_t *yuvlayer); |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 43 | //Marks layer flags if this feature is used |
Saurabh Shah | 3e858eb | 2012-09-17 16:53:21 -0700 | [diff] [blame] | 44 | static void markFlags(hwc_layer_1_t *yuvLayer); |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 45 | //The chosen overlay state. |
| 46 | static ovutils::eOverlayState sState; |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 47 | //Flags if this feature is on. |
| 48 | static bool sIsModeOn; |
| 49 | }; |
| 50 | |
Naseer Ahmed | 4c588a2 | 2012-07-31 19:12:17 -0700 | [diff] [blame] | 51 | inline void VideoOverlay::reset() { |
Naseer Ahmed | 4c588a2 | 2012-07-31 19:12:17 -0700 | [diff] [blame] | 52 | sIsModeOn = false; |
| 53 | sState = ovutils::OV_CLOSED; |
| 54 | } |
Naseer Ahmed | f48aef6 | 2012-07-20 09:05:53 -0700 | [diff] [blame] | 55 | }; //namespace qhwc |
| 56 | |
| 57 | #endif //HWC_VIDEO_H |