hwc_utils.cpp revision 27c1d65113aaac5c577523132b5b990552284ba9
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * Copyright (C) 2012, The Linux Foundation 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 18#include <EGL/egl.h> 19#include <overlay.h> 20#include <cutils/properties.h> 21#include <gralloc_priv.h> 22#include <fb_priv.h> 23#include "hwc_utils.h" 24#include "mdp_version.h" 25#include "hwc_video.h" 26#include "external.h" 27#include "hwc_mdpcomp.h" 28#include "QService.h" 29 30namespace qhwc { 31 32// Opens Framebuffer device 33static void openFramebufferDevice(hwc_context_t *ctx) 34{ 35 hw_module_t const *module; 36 if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module) == 0) { 37 framebuffer_open(module, &(ctx->mFbDev)); 38 private_module_t* m = reinterpret_cast<private_module_t*>( 39 ctx->mFbDev->common.module); 40 //xres, yres may not be 32 aligned 41 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xres = m->info.xres; 42 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].yres = m->info.yres; 43 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].xdpi = ctx->mFbDev->xdpi; 44 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].ydpi = ctx->mFbDev->ydpi; 45 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].vsync_period = 46 1000000000l / ctx->mFbDev->fps; 47 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = openFb(HWC_DISPLAY_PRIMARY); 48 } 49} 50 51static void onExtDisconnect(const hwc_context_t::Callbacks& priv_proc) { 52 hwc_context_t *ctx = priv_proc.ctx; 53 overlay::Overlay& ov = *(ctx->mOverlay[HWC_DISPLAY_EXTERNAL]); 54 // Set overlay state 55 ov.setState(ovutils::OV_CLOSED); 56} 57 58void initContext(hwc_context_t *ctx) 59{ 60 openFramebufferDevice(ctx); 61 overlay::Overlay::initOverlay(); 62 for(uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) { 63 ctx->mOverlay[i] = overlay::Overlay::getInstance(i); 64 } 65 ctx->mQService = qService::QService::getInstance(ctx); 66 ctx->mMDP.version = qdutils::MDPVersion::getInstance().getMDPVersion(); 67 ctx->mMDP.hasOverlay = qdutils::MDPVersion::getInstance().hasOverlay(); 68 ctx->mMDP.panel = qdutils::MDPVersion::getInstance().getPanelType(); 69 ctx->mExtDisplay = new ExternalDisplay(ctx); 70 MDPComp::init(ctx); 71 72 pthread_mutex_init(&(ctx->vstate.lock), NULL); 73 pthread_cond_init(&(ctx->vstate.cond), NULL); 74 ctx->vstate.enable = false; 75 76 ctx->priv_proc.onExtDisconnect = onExtDisconnect; 77 ctx->priv_proc.ctx = ctx; 78 79 ALOGI("Initializing Qualcomm Hardware Composer"); 80 ALOGI("MDP version: %d", ctx->mMDP.version); 81} 82 83void closeContext(hwc_context_t *ctx) 84{ 85 for(uint32_t i = 0; i < HWC_NUM_DISPLAY_TYPES; i++) { 86 if(ctx->mOverlay[i]) { 87 delete ctx->mOverlay[i]; 88 ctx->mOverlay[i] = NULL; 89 } 90 } 91 92 if(ctx->mFbDev) { 93 framebuffer_close(ctx->mFbDev); 94 ctx->mFbDev = NULL; 95 close(ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd); 96 ctx->dpyAttr[HWC_DISPLAY_PRIMARY].fd = -1; 97 } 98 99 if(ctx->mExtDisplay) { 100 delete ctx->mExtDisplay; 101 ctx->mExtDisplay = NULL; 102 } 103 104 pthread_mutex_destroy(&(ctx->vstate.lock)); 105 pthread_cond_destroy(&(ctx->vstate.cond)); 106 107} 108 109void dumpLayer(hwc_layer_1_t const* l) 110{ 111 ALOGD("\ttype=%d, flags=%08x, handle=%p, tr=%02x, blend=%04x, {%d,%d,%d,%d}" 112 ", {%d,%d,%d,%d}", 113 l->compositionType, l->flags, l->handle, l->transform, l->blending, 114 l->sourceCrop.left, 115 l->sourceCrop.top, 116 l->sourceCrop.right, 117 l->sourceCrop.bottom, 118 l->displayFrame.left, 119 l->displayFrame.top, 120 l->displayFrame.right, 121 l->displayFrame.bottom); 122} 123 124void setListStats(hwc_context_t *ctx, 125 const hwc_display_contents_1_t *list, int dpy) { 126 127 ctx->listStats[dpy].numAppLayers = list->numHwLayers - 1; 128 ctx->listStats[dpy].fbLayerIndex = list->numHwLayers - 1; 129 ctx->listStats[dpy].yuvCount = 0; 130 ctx->listStats[dpy].yuvIndex = -1; 131 ctx->listStats[dpy].skipCount = 0; 132 133 for (size_t i = 0; i < list->numHwLayers; i++) { 134 private_handle_t *hnd = 135 (private_handle_t *)list->hwLayers[i].handle; 136 137 if(list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) { 138 continue; 139 //We disregard FB being skip for now! so the else if 140 } else if (isSkipLayer(&list->hwLayers[i])) { 141 ctx->listStats[dpy].skipCount++; 142 } 143 144 if (UNLIKELY(isYuvBuffer(hnd))) { 145 ctx->listStats[dpy].yuvCount++; 146 ctx->listStats[dpy].yuvIndex = i; 147 } 148 } 149} 150 151static inline void calc_cut(float& leftCut, float& topCut, float& rightCut, 152 float& bottomCut, int orient) { 153 if(orient & HAL_TRANSFORM_FLIP_H) { 154 swap(leftCut, rightCut); 155 } 156 if(orient & HAL_TRANSFORM_FLIP_V) { 157 swap(topCut, bottomCut); 158 } 159 if(orient & HAL_TRANSFORM_ROT_90) { 160 //Anti clock swapping 161 float tmpCut = leftCut; 162 leftCut = topCut; 163 topCut = rightCut; 164 rightCut = bottomCut; 165 bottomCut = tmpCut; 166 } 167} 168 169//Crops source buffer against destination and FB boundaries 170void calculate_crop_rects(hwc_rect_t& crop, hwc_rect_t& dst, 171 const int fbWidth, const int fbHeight, int orient) { 172 int& crop_l = crop.left; 173 int& crop_t = crop.top; 174 int& crop_r = crop.right; 175 int& crop_b = crop.bottom; 176 int crop_w = crop.right - crop.left; 177 int crop_h = crop.bottom - crop.top; 178 179 int& dst_l = dst.left; 180 int& dst_t = dst.top; 181 int& dst_r = dst.right; 182 int& dst_b = dst.bottom; 183 int dst_w = abs(dst.right - dst.left); 184 int dst_h = abs(dst.bottom - dst.top); 185 186 float leftCut = 0.0f, rightCut = 0.0f, topCut = 0.0f, bottomCut = 0.0f; 187 188 if(dst_l < 0) { 189 leftCut = (float)(0.0f - dst_l) / (float)dst_w; 190 dst_l = 0; 191 } 192 if(dst_r > fbWidth) { 193 rightCut = (float)(dst_r - fbWidth) / (float)dst_w; 194 dst_r = fbWidth; 195 } 196 if(dst_t < 0) { 197 topCut = (float)(0 - dst_t) / (float)dst_h; 198 dst_t = 0; 199 } 200 if(dst_b > fbHeight) { 201 bottomCut = (float)(dst_b - fbHeight) / (float)dst_h; 202 dst_b = fbHeight; 203 } 204 205 calc_cut(leftCut, topCut, rightCut, bottomCut, orient); 206 crop_l += crop_w * leftCut; 207 crop_t += crop_h * topCut; 208 crop_r -= crop_w * rightCut; 209 crop_b -= crop_h * bottomCut; 210} 211 212bool isExternalActive(hwc_context_t* ctx) { 213 return ctx->dpyAttr[HWC_DISPLAY_EXTERNAL].isActive; 214} 215 216int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy) { 217 int ret = 0; 218#ifdef USE_FENCE_SYNC 219 struct mdp_buf_sync data; 220 int acquireFd[4]; 221 int count = 0; 222 int releaseFd = -1; 223 int fbFd = -1; 224 data.flags = MDP_BUF_SYNC_FLAG_WAIT; 225 data.acq_fen_fd = acquireFd; 226 data.rel_fen_fd = &releaseFd; 227 //Accumulate acquireFenceFds 228 for(uint32_t i = 0; i < list->numHwLayers; i++) { 229 if((list->hwLayers[i].compositionType == HWC_OVERLAY || 230 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) && 231 list->hwLayers[i].acquireFenceFd != -1) { 232 acquireFd[count++] = list->hwLayers[i].acquireFenceFd; 233 } 234 } 235 236 if (count) { 237 data.acq_fen_fd_cnt = count; 238 fbFd = ctx->dpyAttr[dpy].fd; 239 240 //Waits for acquire fences, returns a release fence 241 ret = ioctl(fbFd, MSMFB_BUFFER_SYNC, &data); 242 if(ret < 0) { 243 ALOGE("ioctl MSMFB_BUFFER_SYNC failed, err=%s", 244 strerror(errno)); 245 } 246 247 for(uint32_t i = 0; i < list->numHwLayers; i++) { 248 if((list->hwLayers[i].compositionType == HWC_OVERLAY || 249 list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET)) { 250 //Close the acquireFenceFds 251 if(list->hwLayers[i].acquireFenceFd > 0) { 252 close(list->hwLayers[i].acquireFenceFd); 253 list->hwLayers[i].acquireFenceFd = -1; 254 } 255 //Populate releaseFenceFds. 256 list->hwLayers[i].releaseFenceFd = dup(releaseFd); 257 } 258 } 259 list->retireFenceFd = releaseFd; 260 } 261#endif 262 return ret; 263} 264 265};//namespace 266