overlayUtils.cpp revision 513ddc2124abf90c63af41999201f0d2031af0c8
1/* 2* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved. 3* 4* Redistribution and use in source and binary forms, with or without 5* modification, are permitted provided that the following conditions are 6* met: 7* * Redistributions of source code must retain the above copyright 8* notice, this list of conditions and the following disclaimer. 9* * Redistributions in binary form must reproduce the above 10* copyright notice, this list of conditions and the following 11* disclaimer in the documentation and/or other materials provided 12* with the distribution. 13* * Neither the name of The Linux Foundation nor the names of its 14* contributors may be used to endorse or promote products derived 15* from this software without specific prior written permission. 16* 17* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*/ 29 30#include <stdlib.h> 31#include <math.h> 32#include <utils/Log.h> 33#include <linux/msm_mdp.h> 34#include <cutils/properties.h> 35#include "gralloc_priv.h" 36#include "overlayUtils.h" 37#include "mdpWrapper.h" 38#include "mdp_version.h" 39 40// just a helper static thingy 41namespace { 42struct IOFile { 43 IOFile(const char* s, const char* mode) : fp(0) { 44 fp = ::fopen(s, mode); 45 if(!fp) { 46 ALOGE("Failed open %s", s); 47 } 48 } 49 template <class T> 50 size_t read(T& r, size_t elem) { 51 if(fp) { 52 return ::fread(&r, sizeof(T), elem, fp); 53 } 54 return 0; 55 } 56 size_t write(const char* s, uint32_t val) { 57 if(fp) { 58 return ::fprintf(fp, s, val); 59 } 60 return 0; 61 } 62 bool valid() const { return fp != 0; } 63 ~IOFile() { 64 if(fp) ::fclose(fp); 65 fp=0; 66 } 67 FILE* fp; 68}; 69} 70 71namespace overlay { 72 73//----------From class Res ------------------------------ 74const char* const Res::fbPath = "/dev/graphics/fb%u"; 75const char* const Res::rotPath = "/dev/msm_rotator"; 76const char* const Res::format3DFile = 77 "/sys/class/graphics/fb1/format_3d"; 78const char* const Res::edid3dInfoFile = 79 "/sys/class/graphics/fb1/3d_present"; 80const char* const Res::barrierFile = 81 "/sys/devices/platform/mipi_novatek.0/enable_3d_barrier"; 82//-------------------------------------------------------- 83 84 85 86namespace utils { 87 88//-------------------------------------------------------- 89//Refer to graphics.h, gralloc_priv.h, msm_mdp.h 90int getMdpFormat(int format) { 91 switch (format) { 92 //From graphics.h 93 case HAL_PIXEL_FORMAT_RGBA_8888 : 94 return MDP_RGBA_8888; 95 case HAL_PIXEL_FORMAT_RGBX_8888: 96 return MDP_RGBX_8888; 97 case HAL_PIXEL_FORMAT_RGB_888: 98 return MDP_RGB_888; 99 case HAL_PIXEL_FORMAT_RGB_565: 100 return MDP_RGB_565; 101 case HAL_PIXEL_FORMAT_BGRA_8888: 102 return MDP_BGRA_8888; 103 case HAL_PIXEL_FORMAT_YV12: 104 return MDP_Y_CR_CB_GH2V2; 105 case HAL_PIXEL_FORMAT_YCbCr_422_SP: 106 return MDP_Y_CBCR_H2V1; 107 case HAL_PIXEL_FORMAT_YCrCb_420_SP: 108 return MDP_Y_CRCB_H2V2; 109 110 //From gralloc_priv.h 111 case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: 112 return MDP_Y_CBCR_H2V2_TILE; 113 case HAL_PIXEL_FORMAT_YCbCr_420_SP: 114 return MDP_Y_CBCR_H2V2; 115 case HAL_PIXEL_FORMAT_YCrCb_422_SP: 116 return MDP_Y_CRCB_H2V1; 117 case HAL_PIXEL_FORMAT_YCbCr_444_SP: 118 return MDP_Y_CBCR_H1V1; 119 case HAL_PIXEL_FORMAT_YCrCb_444_SP: 120 return MDP_Y_CRCB_H1V1; 121 case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS: 122 return MDP_Y_CBCR_H2V2_VENUS; 123 default: 124 //Unsupported by MDP 125 //---graphics.h-------- 126 //HAL_PIXEL_FORMAT_RGBA_5551 127 //HAL_PIXEL_FORMAT_RGBA_4444 128 //HAL_PIXEL_FORMAT_YCbCr_422_I 129 //---gralloc_priv.h----- 130 //HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01 131 //HAL_PIXEL_FORMAT_R_8 = 0x10D 132 //HAL_PIXEL_FORMAT_RG_88 = 0x10E 133 ALOGE("%s: Unsupported HAL format = 0x%x", __func__, format); 134 return -1; 135 } 136 // not reached 137 return -1; 138} 139 140//Takes mdp format as input and translates to equivalent HAL format 141//Refer to graphics.h, gralloc_priv.h, msm_mdp.h for formats. 142int getHALFormat(int mdpFormat) { 143 switch (mdpFormat) { 144 //From graphics.h 145 case MDP_RGBA_8888: 146 return HAL_PIXEL_FORMAT_RGBA_8888; 147 case MDP_RGBX_8888: 148 return HAL_PIXEL_FORMAT_RGBX_8888; 149 case MDP_RGB_888: 150 return HAL_PIXEL_FORMAT_RGB_888; 151 case MDP_RGB_565: 152 return HAL_PIXEL_FORMAT_RGB_565; 153 case MDP_BGRA_8888: 154 return HAL_PIXEL_FORMAT_BGRA_8888; 155 case MDP_Y_CR_CB_GH2V2: 156 return HAL_PIXEL_FORMAT_YV12; 157 case MDP_Y_CBCR_H2V1: 158 return HAL_PIXEL_FORMAT_YCbCr_422_SP; 159 case MDP_Y_CRCB_H2V2: 160 return HAL_PIXEL_FORMAT_YCrCb_420_SP; 161 162 //From gralloc_priv.h 163 case MDP_Y_CBCR_H2V2_TILE: 164 return HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED; 165 case MDP_Y_CBCR_H2V2: 166 return HAL_PIXEL_FORMAT_YCbCr_420_SP; 167 case MDP_Y_CRCB_H2V1: 168 return HAL_PIXEL_FORMAT_YCrCb_422_SP; 169 case MDP_Y_CBCR_H1V1: 170 return HAL_PIXEL_FORMAT_YCbCr_444_SP; 171 case MDP_Y_CRCB_H1V1: 172 return HAL_PIXEL_FORMAT_YCrCb_444_SP; 173 case MDP_Y_CBCR_H2V2_VENUS: 174 return HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS; 175 default: 176 ALOGE("%s: Unsupported MDP format = 0x%x", __func__, mdpFormat); 177 return -1; 178 } 179 // not reached 180 return -1; 181} 182 183int getMdpOrient(eTransform rotation) { 184 int retTrans = 0; 185 bool trans90 = false; 186 int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion(); 187 bool aFamily = (mdpVersion < qdutils::MDSS_V5); 188 189 ALOGD_IF(DEBUG_OVERLAY, "%s: In rotation = %d", __FUNCTION__, rotation); 190 if(rotation & OVERLAY_TRANSFORM_ROT_90) { 191 retTrans |= MDP_ROT_90; 192 trans90 = true; 193 } 194 195 if(rotation & OVERLAY_TRANSFORM_FLIP_H) { 196 if(trans90 && aFamily) { 197 //Swap for a-family, since its driver does 90 first 198 retTrans |= MDP_FLIP_UD; 199 } else { 200 retTrans |= MDP_FLIP_LR; 201 } 202 } 203 204 if(rotation & OVERLAY_TRANSFORM_FLIP_V) { 205 if(trans90 && aFamily) { 206 //Swap for a-family, since its driver does 90 first 207 retTrans |= MDP_FLIP_LR; 208 } else { 209 retTrans |= MDP_FLIP_UD; 210 } 211 } 212 213 ALOGD_IF(DEBUG_OVERLAY, "%s: Out rotation = %d", __FUNCTION__, retTrans); 214 return retTrans; 215} 216 217int getDownscaleFactor(const int& src_w, const int& src_h, 218 const int& dst_w, const int& dst_h) { 219 int dscale_factor = utils::ROT_DS_NONE; 220 // The tolerance is an empirical grey area that needs to be adjusted 221 // manually so that we always err on the side of caution 222 float fDscaleTolerance = 0.05; 223 // We need this check to engage the rotator whenever possible to assist MDP 224 // in performing video downscale. 225 // This saves bandwidth and avoids causing the driver to make too many panel 226 // -mode switches between BLT (writeback) and non-BLT (Direct) modes. 227 // Use-case: Video playback [with downscaling and rotation]. 228 if (dst_w && dst_h) 229 { 230 float fDscale = sqrtf((float)(src_w * src_h) / (float)(dst_w * dst_h)) + 231 fDscaleTolerance; 232 233 // On our MTP 1080p playback case downscale after sqrt is coming to 1.87 234 // we were rounding to 1. So entirely MDP has to do the downscaling. 235 // BW requirement and clock requirement is high across MDP4 targets. 236 // It is unable to downscale 1080p video to panel resolution on 8960. 237 // round(x) will round it to nearest integer and avoids above issue. 238 uint32_t dscale = round(fDscale); 239 240 if(dscale < 2) { 241 // Down-scale to > 50% of orig. 242 dscale_factor = utils::ROT_DS_NONE; 243 } else if(dscale < 4) { 244 // Down-scale to between > 25% to <= 50% of orig. 245 dscale_factor = utils::ROT_DS_HALF; 246 } else if(dscale < 8) { 247 // Down-scale to between > 12.5% to <= 25% of orig. 248 dscale_factor = utils::ROT_DS_FOURTH; 249 } else { 250 // Down-scale to <= 12.5% of orig. 251 dscale_factor = utils::ROT_DS_EIGHTH; 252 } 253 } 254 return dscale_factor; 255} 256 257void getDecimationFactor(const int& src_w, const int& src_h, 258 const int& dst_w, const int& dst_h, float& horDscale, 259 float& verDscale) { 260 horDscale = ceilf((float)src_w / (float)dst_w); 261 verDscale = ceilf((float)src_h / (float)dst_h); 262 263 //Next power of 2, if not already 264 horDscale = powf(2.0f, ceilf(log2f(horDscale))); 265 verDscale = powf(2.0f, ceilf(log2f(verDscale))); 266 267 //Since MDP can do 1/4 dscale and has better quality, split the task 268 //between decimator and MDP downscale 269 horDscale /= 4.0f; 270 verDscale /= 4.0f; 271} 272 273static inline int compute(const uint32_t& x, const uint32_t& y, 274 const uint32_t& z) { 275 return x - ( y + z ); 276} 277 278void preRotateSource(const eTransform& tr, Whf& whf, Dim& srcCrop) { 279 if(tr & OVERLAY_TRANSFORM_FLIP_H) { 280 srcCrop.x = compute(whf.w, srcCrop.x, srcCrop.w); 281 } 282 if(tr & OVERLAY_TRANSFORM_FLIP_V) { 283 srcCrop.y = compute(whf.h, srcCrop.y, srcCrop.h); 284 } 285 if(tr & OVERLAY_TRANSFORM_ROT_90) { 286 int tmp = srcCrop.x; 287 srcCrop.x = compute(whf.h, 288 srcCrop.y, 289 srcCrop.h); 290 srcCrop.y = tmp; 291 swap(whf.w, whf.h); 292 swap(srcCrop.w, srcCrop.h); 293 } 294} 295 296bool is3DTV() { 297 char is3DTV = '0'; 298 IOFile fp(Res::edid3dInfoFile, "r"); 299 (void)fp.read(is3DTV, 1); 300 ALOGI("3DTV EDID flag: %d", is3DTV); 301 return (is3DTV == '0') ? false : true; 302} 303 304bool isPanel3D() { 305 OvFD fd; 306 if(!overlay::open(fd, 0 /*fb*/, Res::fbPath)){ 307 ALOGE("isPanel3D Can't open framebuffer 0"); 308 return false; 309 } 310 fb_fix_screeninfo finfo; 311 if(!mdp_wrapper::getFScreenInfo(fd.getFD(), finfo)) { 312 ALOGE("isPanel3D read fb0 failed"); 313 } 314 fd.close(); 315 return (FB_TYPE_3D_PANEL == finfo.type) ? true : false; 316} 317 318bool usePanel3D() { 319 if(!isPanel3D()) 320 return false; 321 char value[PROPERTY_VALUE_MAX]; 322 property_get("persist.user.panel3D", value, "0"); 323 int usePanel3D = atoi(value); 324 return usePanel3D ? true : false; 325} 326 327bool send3DInfoPacket (uint32_t format3D) { 328 IOFile fp(Res::format3DFile, "wb"); 329 (void)fp.write("%d", format3D); 330 if(!fp.valid()) { 331 ALOGE("send3DInfoPacket: no sysfs entry for setting 3d mode"); 332 return false; 333 } 334 return true; 335} 336 337bool enableBarrier (uint32_t orientation) { 338 IOFile fp(Res::barrierFile, "wb"); 339 (void)fp.write("%d", orientation); 340 if(!fp.valid()) { 341 ALOGE("enableBarrier no sysfs entry for " 342 "enabling barriers on 3D panel"); 343 return false; 344 } 345 return true; 346} 347 348uint32_t getS3DFormat(uint32_t fmt) { 349 // The S3D is part of the HAL_PIXEL_FORMAT_YV12 value. Add 350 // an explicit check for the format 351 if (fmt == HAL_PIXEL_FORMAT_YV12) { 352 return 0; 353 } 354 uint32_t fmt3D = format3D(fmt); 355 uint32_t fIn3D = format3DInput(fmt3D); // MSB 2 bytes - inp 356 uint32_t fOut3D = format3DOutput(fmt3D); // LSB 2 bytes - out 357 fmt3D = fIn3D | fOut3D; 358 if (!fIn3D) { 359 fmt3D |= fOut3D << SHIFT_TOT_3D; //Set the input format 360 } 361 if (!fOut3D) { 362 switch (fIn3D) { 363 case HAL_3D_IN_SIDE_BY_SIDE_L_R: 364 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 365 // For all side by side formats, set the output 366 // format as Side-by-Side i.e 0x1 367 fmt3D |= HAL_3D_IN_SIDE_BY_SIDE_L_R >> SHIFT_TOT_3D; 368 break; 369 default: 370 fmt3D |= fIn3D >> SHIFT_TOT_3D; //Set the output format 371 } 372 } 373 return fmt3D; 374} 375 376void getDump(char *buf, size_t len, const char *prefix, 377 const mdp_overlay& ov) { 378 char str[256] = {'\0'}; 379 snprintf(str, 256, 380 "%s id=%d z=%d fg=%d alpha=%d mask=%d flags=0x%x H.Deci=%d," 381 "V.Deci=%d\n", 382 prefix, ov.id, ov.z_order, ov.is_fg, ov.alpha, 383 ov.transp_mask, ov.flags, ov.horz_deci, ov.vert_deci); 384 strncat(buf, str, strlen(str)); 385 getDump(buf, len, "\tsrc", ov.src); 386 getDump(buf, len, "\tsrc_rect", ov.src_rect); 387 getDump(buf, len, "\tdst_rect", ov.dst_rect); 388} 389 390void getDump(char *buf, size_t len, const char *prefix, 391 const msmfb_img& ov) { 392 char str_src[256] = {'\0'}; 393 snprintf(str_src, 256, 394 "%s w=%d h=%d format=%d %s\n", 395 prefix, ov.width, ov.height, ov.format, 396 overlay::utils::getFormatString(ov.format)); 397 strncat(buf, str_src, strlen(str_src)); 398} 399 400void getDump(char *buf, size_t len, const char *prefix, 401 const mdp_rect& ov) { 402 char str_rect[256] = {'\0'}; 403 snprintf(str_rect, 256, 404 "%s x=%d y=%d w=%d h=%d\n", 405 prefix, ov.x, ov.y, ov.w, ov.h); 406 strncat(buf, str_rect, strlen(str_rect)); 407} 408 409void getDump(char *buf, size_t len, const char *prefix, 410 const msmfb_overlay_data& ov) { 411 char str[256] = {'\0'}; 412 snprintf(str, 256, 413 "%s id=%d\n", 414 prefix, ov.id); 415 strncat(buf, str, strlen(str)); 416 getDump(buf, len, "\tdata", ov.data); 417} 418 419void getDump(char *buf, size_t len, const char *prefix, 420 const msmfb_data& ov) { 421 char str_data[256] = {'\0'}; 422 snprintf(str_data, 256, 423 "%s offset=%d memid=%d id=%d flags=0x%x priv=%d\n", 424 prefix, ov.offset, ov.memory_id, ov.id, ov.flags, 425 ov.priv); 426 strncat(buf, str_data, strlen(str_data)); 427} 428 429void getDump(char *buf, size_t len, const char *prefix, 430 const msm_rotator_img_info& rot) { 431 char str[256] = {'\0'}; 432 snprintf(str, 256, "%s sessid=%u rot=%d, enable=%d downscale=%d\n", 433 prefix, rot.session_id, rot.rotations, rot.enable, 434 rot.downscale_ratio); 435 strncat(buf, str, strlen(str)); 436 getDump(buf, len, "\tsrc", rot.src); 437 getDump(buf, len, "\tdst", rot.dst); 438 getDump(buf, len, "\tsrc_rect", rot.src_rect); 439} 440 441void getDump(char *buf, size_t len, const char *prefix, 442 const msm_rotator_data_info& rot) { 443 char str[256] = {'\0'}; 444 snprintf(str, 256, 445 "%s sessid=%u\n", 446 prefix, rot.session_id); 447 strncat(buf, str, strlen(str)); 448 getDump(buf, len, "\tsrc", rot.src); 449 getDump(buf, len, "\tdst", rot.dst); 450} 451 452//Helper to even out x,w and y,h pairs 453//x,y are always evened to ceil and w,h are evened to floor 454void normalizeCrop(uint32_t& xy, uint32_t& wh) { 455 if(xy & 1) { 456 even_ceil(xy); 457 if(wh & 1) 458 even_floor(wh); 459 else 460 wh -= 2; 461 } else { 462 even_floor(wh); 463 } 464} 465 466} // utils 467 468} // overlay 469