hwc_utils.h revision befc466069680cb8a65b1f22ad44723d949128c8
1befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed/* 2befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * Copyright (C) 2010 The Android Open Source Project 3befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * Copyright (C) 2012, Code Aurora Forum. All rights reserved. 4befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * 5befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * Licensed under the Apache License, Version 2.0 (the "License"); 6befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * you may not use this file except in compliance with the License. 7befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * You may obtain a copy of the License at 8befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * 9befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * http://www.apache.org/licenses/LICENSE-2.0 10befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * 11befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * Unless required by applicable law or agreed to in writing, software 12befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * distributed under the License is distributed on an "AS IS" BASIS, 13befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * See the License for the specific language governing permissions and 15befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed * limitations under the License. 16befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed */ 17befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 18befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#ifndef HWC_UTILS_H 19befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#define HWC_UTILS_H 20befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <cutils/log.h> 21befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <gralloc_priv.h> 22befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <hardware/hwcomposer.h> 23befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <hardware/hardware.h> 24befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <hardware/gralloc.h> 25befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <stdlib.h> 26befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <string.h> 27befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <fb_priv.h> 28befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <overlay.h> 29befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <qcom_ui.h> 30befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include <genlock.h> 31befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#include "hwc_qbuf.h" 32befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 33befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#define ALIGN(x, align) (((x) + ((align)-1)) & ~((align)-1)) 34befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 35befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 36befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 37befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedstruct hwc_context_t; 38befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmednamespace qhwc { 39befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 40befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// ----------------------------------------------------------------------------- 41befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// Utility functions - implemented in hwc_utils.cpp 42befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid dumpLayer(hwc_layer_t const* l); 43befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid getLayerStats(hwc_context_t *ctx, const hwc_layer_list_t *list); 44befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid handleYUV(hwc_context_t *ctx, hwc_layer_t *layer); 45befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid initContext(hwc_context_t *ctx); 46befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid closeContext(hwc_context_t *ctx); 47befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid openFramebufferDevice(hwc_context_t *ctx); 48befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 49befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// Inline utility functions 50befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedstatic inline bool isSkipLayer(const hwc_layer_t* l) { 51befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed return (UNLIKELY(l && (l->flags & HWC_SKIP_LAYER))); 52befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed} 53befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 54befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// Returns true if the buffer is yuv 55befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedstatic inline bool isYuvBuffer(const private_handle_t* hnd) { 56befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed return (hnd && (hnd->bufferType == BUFFER_TYPE_VIDEO)); 57befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed} 58befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 59befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed//Return true if buffer is marked locked 60befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedstatic inline bool isBufferLocked(const private_handle_t* hnd) { 61befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed return (hnd && (private_handle_t::PRIV_FLAGS_HWC_LOCK & hnd->flags)); 62befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed} 63befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 64befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// ----------------------------------------------------------------------------- 65befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// Overlay specific functions - inline or implemented in hwc_overlay.cpp 66befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedbool prepareOverlay(hwc_context_t *ctx, hwc_layer_t *layer); 67befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed//XXX: Refine draw functions 68befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedbool drawLayerUsingOverlay(hwc_context_t *ctx, hwc_layer_t *layer); 69befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed//XXX: Refine 70befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid cleanOverlays(hwc_context_t *ctx ); 71befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedvoid setOverlayState(hwc_context_t* ctx, ovutils::eOverlayState state); 72befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 73befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// ----------------------------------------------------------------------------- 74befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// Copybit specific functions - inline or implemented in hwc_copybit.cpp 75befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 76befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 77befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 78befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// ----------------------------------------------------------------------------- 79befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// HDMI specific functions - inline or implemented in hwc_hdmi.cpp 80befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 81befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 82befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 83befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed} //qhwc namespace 84befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 85befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 86befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 87befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// ----------------------------------------------------------------------------- 88befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// HWC context 89befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed// This structure contains overall state 90befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmedstruct hwc_context_t { 91befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed hwc_composer_device_t device; 92befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed // Layer variables 93befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed int yuvBufferCount; 94befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed int hdmiEnabled; 95befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed int numHwLayers; 96befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed bool skipComposition; 97befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 98befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed //Framebuffer device 99befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed framebuffer_device_t *fbDev; 100befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 101befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed //Overlay object - NULL for non overlay devices 102befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed overlay::Overlay *mOverlay; 103befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 104befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed //QueuedBufferStore to hold buffers for overlay 105befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed qhwc::QueuedBufferStore *qbuf; 106befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed}; 107befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 108befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 109befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 110befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed 111befc466069680cb8a65b1f22ad44723d949128c8Naseer Ahmed#endif //HWC_UTILS_H 112