1 /* 2 * Copyright (c) 2011-2013, 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 #ifndef OVERLAY_UTILS_H 31 #define OVERLAY_UTILS_H 32 33 #include <cutils/log.h> // ALOGE, etc 34 #include <errno.h> 35 #include <fcntl.h> // open, O_RDWR, etc 36 #include <hardware/hardware.h> 37 #include <hardware/gralloc.h> // buffer_handle_t 38 #include <linux/msm_mdp.h> // flags 39 #include <linux/msm_rotator.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <sys/stat.h> 44 #include <sys/types.h> 45 #include <utils/Log.h> 46 #include "gralloc_priv.h" //for interlace 47 48 // Older platforms do not support Venus. 49 #ifndef VENUS_COLOR_FORMAT 50 #define MDP_Y_CBCR_H2V2_VENUS MDP_IMGTYPE_LIMIT 51 #endif 52 53 /* 54 * 55 * Collection of utilities functions/structs/enums etc... 56 * 57 * */ 58 59 // comment that out if you want to remove asserts 60 // or put it as -D in Android.mk. your choice. 61 #define OVERLAY_HAS_ASSERT 62 63 #ifdef OVERLAY_HAS_ASSERT 64 # define OVASSERT(x, ...) if(!(x)) { ALOGE(__VA_ARGS__); abort(); } 65 #else 66 # define OVASSERT(x, ...) ALOGE_IF(!(x), __VA_ARGS__) 67 #endif // OVERLAY_HAS_ASSERT 68 69 #define DEBUG_OVERLAY 0 70 #define PROFILE_OVERLAY 0 71 72 #ifndef MDSS_MDP_RIGHT_MIXER 73 #define MDSS_MDP_RIGHT_MIXER 0x100 74 #endif 75 76 #ifndef MDP_OV_PIPE_FORCE_DMA 77 #define MDP_OV_PIPE_FORCE_DMA 0x4000 78 #endif 79 80 #define FB_DEVICE_TEMPLATE "/dev/graphics/fb%u" 81 82 namespace overlay { 83 84 // fwd 85 class Overlay; 86 class OvFD; 87 88 /* helper function to open by using fbnum */ 89 bool open(OvFD& fd, uint32_t fbnum, const char* const dev, 90 int flags = O_RDWR); 91 92 namespace utils { 93 struct Whf; 94 struct Dim; 95 96 inline uint32_t setBit(uint32_t x, uint32_t mask) { 97 return (x | mask); 98 } 99 100 inline uint32_t clrBit(uint32_t x, uint32_t mask) { 101 return (x & ~mask); 102 } 103 104 /* Utility class to help avoid copying instances by making the copy ctor 105 * and assignment operator private 106 * 107 * Usage: 108 * class SomeClass : utils::NoCopy {...}; 109 */ 110 class NoCopy { 111 protected: 112 NoCopy(){} 113 ~NoCopy() {} 114 private: 115 NoCopy(const NoCopy&); 116 const NoCopy& operator=(const NoCopy&); 117 }; 118 119 120 /* 3D related utils, defines etc... 121 * The compound format passed to the overlay is 122 * ABCCC where A is the input 3D format 123 * B is the output 3D format 124 * CCC is the color format e.g YCbCr420SP YCrCb420SP etc */ 125 enum { SHIFT_OUT_3D = 12, 126 SHIFT_TOT_3D = 16 }; 127 enum { INPUT_3D_MASK = 0xFFFF0000, 128 OUTPUT_3D_MASK = 0x0000FFFF }; 129 enum { BARRIER_LAND = 1, 130 BARRIER_PORT = 2 }; 131 132 inline uint32_t format3D(uint32_t x) { return x & 0xFF000; } 133 inline uint32_t format3DOutput(uint32_t x) { 134 return (x & 0xF000) >> SHIFT_OUT_3D; } 135 inline uint32_t format3DInput(uint32_t x) { return x & 0xF0000; } 136 137 bool isHDMIConnected (); 138 bool is3DTV(); 139 bool isPanel3D(); 140 bool usePanel3D(); 141 bool send3DInfoPacket (uint32_t fmt); 142 bool enableBarrier (uint32_t orientation); 143 uint32_t getS3DFormat(uint32_t fmt); 144 bool isMdssRotator(); 145 void normalizeCrop(uint32_t& xy, uint32_t& wh); 146 147 template <int CHAN> 148 bool getPositionS3D(const Whf& whf, Dim& out); 149 150 template <int CHAN> 151 bool getCropS3D(const Dim& in, Dim& out, uint32_t fmt); 152 153 template <class Type> 154 void swapWidthHeight(Type& width, Type& height); 155 156 struct Dim { 157 Dim () : x(0), y(0), 158 w(0), h(0), 159 o(0) {} 160 Dim(uint32_t _x, uint32_t _y, uint32_t _w, uint32_t _h) : 161 x(_x), y(_y), 162 w(_w), h(_h) {} 163 Dim(uint32_t _x, uint32_t _y, uint32_t _w, uint32_t _h, uint32_t _o) : 164 x(_x), y(_y), 165 w(_w), h(_h), 166 o(_o) {} 167 bool check(uint32_t _w, uint32_t _h) const { 168 return (x+w <= _w && y+h <= _h); 169 170 } 171 172 bool operator==(const Dim& d) const { 173 return d.x == x && d.y == y && 174 d.w == w && d.h == h && 175 d.o == o; 176 } 177 178 bool operator!=(const Dim& d) const { 179 return !operator==(d); 180 } 181 182 void dump() const; 183 uint32_t x; 184 uint32_t y; 185 uint32_t w; 186 uint32_t h; 187 uint32_t o; 188 }; 189 190 // TODO have Whfz 191 192 struct Whf { 193 Whf() : w(0), h(0), format(0), size(0) {} 194 Whf(uint32_t wi, uint32_t he, uint32_t f) : 195 w(wi), h(he), format(f), size(0) {} 196 Whf(uint32_t wi, uint32_t he, uint32_t f, uint32_t s) : 197 w(wi), h(he), format(f), size(s) {} 198 // FIXME not comparing size at the moment 199 bool operator==(const Whf& whf) const { 200 return whf.w == w && whf.h == h && 201 whf.format == format; 202 } 203 bool operator!=(const Whf& whf) const { 204 return !operator==(whf); 205 } 206 void dump() const; 207 uint32_t w; 208 uint32_t h; 209 uint32_t format; 210 uint32_t size; 211 }; 212 213 enum { MAX_PATH_LEN = 256 }; 214 215 enum { DEFAULT_PLANE_ALPHA = 0xFF }; 216 217 /** 218 * Rotator flags: not to be confused with orientation flags. 219 * Usually, you want to open the rotator to make sure it is 220 * ready for business. 221 * */ 222 enum eRotFlags { 223 ROT_FLAGS_NONE = 0, 224 //Use rotator for 0 rotation. It is used anyway for others. 225 ROT_0_ENABLED = 1 << 0, 226 //Enable rotator downscale optimization for hardware bugs not handled in 227 //driver. If downscale optimizatation is required, 228 //then rotator will be used even if its 0 rotation case. 229 ROT_DOWNSCALE_ENABLED = 1 << 1, 230 ROT_PREROTATED = 1 << 2, 231 }; 232 233 enum eRotDownscale { 234 ROT_DS_NONE = 0, 235 ROT_DS_HALF = 1, 236 ROT_DS_FOURTH = 2, 237 ROT_DS_EIGHTH = 3, 238 }; 239 240 /* The values for is_fg flag for control alpha and transp 241 * IS_FG_OFF means is_fg = 0 242 * IS_FG_SET means is_fg = 1 243 */ 244 enum eIsFg { 245 IS_FG_OFF = 0, 246 IS_FG_SET = 1 247 }; 248 249 /* 250 * Various mdp flags like PIPE SHARE, DEINTERLACE etc... 251 * kernel/common/linux/msm_mdp.h 252 * INTERLACE_MASK: hardware/qcom/display/libgralloc/badger/fb_priv.h 253 * */ 254 enum eMdpFlags { 255 OV_MDP_FLAGS_NONE = 0, 256 OV_MDP_PIPE_SHARE = MDP_OV_PIPE_SHARE, 257 OV_MDP_PIPE_FORCE_DMA = MDP_OV_PIPE_FORCE_DMA, 258 OV_MDP_DEINTERLACE = MDP_DEINTERLACE, 259 OV_MDP_SECURE_OVERLAY_SESSION = MDP_SECURE_OVERLAY_SESSION, 260 OV_MDP_SOURCE_ROTATED_90 = MDP_SOURCE_ROTATED_90, 261 OV_MDP_BACKEND_COMPOSITION = MDP_BACKEND_COMPOSITION, 262 OV_MDP_BLEND_FG_PREMULT = MDP_BLEND_FG_PREMULT, 263 OV_MDP_FLIP_H = MDP_FLIP_LR, 264 OV_MDP_FLIP_V = MDP_FLIP_UD, 265 OV_MDSS_MDP_RIGHT_MIXER = MDSS_MDP_RIGHT_MIXER, 266 OV_MDP_PP_EN = MDP_OVERLAY_PP_CFG_EN, 267 OV_MDSS_MDP_BWC_EN = MDP_BWC_EN, 268 }; 269 270 enum eZorder { 271 ZORDER_0 = 0, 272 ZORDER_1, 273 ZORDER_2, 274 ZORDER_3, 275 Z_SYSTEM_ALLOC = 0xFFFF 276 }; 277 278 enum eMdpPipeType { 279 OV_MDP_PIPE_RGB = 0, 280 OV_MDP_PIPE_VG, 281 OV_MDP_PIPE_DMA, 282 OV_MDP_PIPE_ANY, //Any 283 }; 284 285 // Identify destination pipes 286 // TODO Names useless, replace with int and change all interfaces 287 enum eDest { 288 OV_P0 = 0, 289 OV_P1, 290 OV_P2, 291 OV_P3, 292 OV_P4, 293 OV_P5, 294 OV_P6, 295 OV_P7, 296 OV_P8, 297 OV_P9, 298 OV_INVALID, 299 OV_MAX = OV_INVALID, 300 }; 301 302 /* Used when a buffer is split over 2 pipes and sent to display */ 303 enum { 304 OV_LEFT_SPLIT = 0, 305 OV_RIGHT_SPLIT, 306 }; 307 308 /* values for copybit_set_parameter(OVERLAY_TRANSFORM) */ 309 enum eTransform { 310 /* No rot */ 311 OVERLAY_TRANSFORM_0 = 0x0, 312 /* flip source image horizontally 0x1 */ 313 OVERLAY_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H, 314 /* flip source image vertically 0x2 */ 315 OVERLAY_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V, 316 /* rotate source image 180 degrees 317 * It is basically bit-or-ed H | V == 0x3 */ 318 OVERLAY_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, 319 /* rotate source image 90 degrees 0x4 */ 320 OVERLAY_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, 321 /* rotate source image 90 degrees and flip horizontally 0x5 */ 322 OVERLAY_TRANSFORM_ROT_90_FLIP_H = HAL_TRANSFORM_ROT_90 | 323 HAL_TRANSFORM_FLIP_H, 324 /* rotate source image 90 degrees and flip vertically 0x6 */ 325 OVERLAY_TRANSFORM_ROT_90_FLIP_V = HAL_TRANSFORM_ROT_90 | 326 HAL_TRANSFORM_FLIP_V, 327 /* rotate source image 270 degrees 328 * Basically 180 | 90 == 0x7 */ 329 OVERLAY_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270, 330 /* rotate invalid like in Transform.h */ 331 OVERLAY_TRANSFORM_INV = 0x80 332 }; 333 334 enum eBlending { 335 OVERLAY_BLENDING_UNDEFINED = 0x0, 336 /* No blending */ 337 OVERLAY_BLENDING_OPAQUE, 338 /* src.rgb + dst.rgb*(1-src_alpha) */ 339 OVERLAY_BLENDING_PREMULT, 340 /* src.rgb * src_alpha + dst.rgb (1 - src_alpha) */ 341 OVERLAY_BLENDING_COVERAGE, 342 }; 343 344 // Used to consolidate pipe params 345 struct PipeArgs { 346 PipeArgs() : mdpFlags(OV_MDP_FLAGS_NONE), 347 zorder(Z_SYSTEM_ALLOC), 348 isFg(IS_FG_OFF), 349 rotFlags(ROT_FLAGS_NONE), 350 planeAlpha(DEFAULT_PLANE_ALPHA), 351 blending(OVERLAY_BLENDING_COVERAGE){ 352 } 353 354 PipeArgs(eMdpFlags f, Whf _whf, 355 eZorder z, eIsFg fg, eRotFlags r, 356 int pA, eBlending b) : 357 mdpFlags(f), 358 whf(_whf), 359 zorder(z), 360 isFg(fg), 361 rotFlags(r), 362 planeAlpha(pA), 363 blending(b){ 364 } 365 366 eMdpFlags mdpFlags; // for mdp_overlay flags 367 Whf whf; 368 eZorder zorder; // stage number 369 eIsFg isFg; // control alpha & transp 370 eRotFlags rotFlags; 371 int planeAlpha; 372 eBlending blending; 373 }; 374 375 // Cannot use HW_OVERLAY_MAGNIFICATION_LIMIT, since at the time 376 // of integration, HW_OVERLAY_MAGNIFICATION_LIMIT was a define 377 enum { HW_OV_MAGNIFICATION_LIMIT = 20, 378 HW_OV_MINIFICATION_LIMIT = 8 379 }; 380 381 inline void setMdpFlags(eMdpFlags& f, eMdpFlags v) { 382 f = static_cast<eMdpFlags>(setBit(f, v)); 383 } 384 385 inline void clearMdpFlags(eMdpFlags& f, eMdpFlags v) { 386 f = static_cast<eMdpFlags>(clrBit(f, v)); 387 } 388 389 enum { FB0, FB1, FB2 }; 390 391 struct ScreenInfo { 392 ScreenInfo() : mFBWidth(0), 393 mFBHeight(0), 394 mFBbpp(0), 395 mFBystride(0) {} 396 void dump(const char* const s) const; 397 uint32_t mFBWidth; 398 uint32_t mFBHeight; 399 uint32_t mFBbpp; 400 uint32_t mFBystride; 401 }; 402 403 int getMdpFormat(int format); 404 int getHALFormat(int mdpFormat); 405 int getDownscaleFactor(const int& src_w, const int& src_h, 406 const int& dst_w, const int& dst_h); 407 void getDecimationFactor(const int& src_w, const int& src_h, 408 const int& dst_w, const int& dst_h, float& horDscale, 409 float& verDscale); 410 411 /* flip is upside down and such. V, H flip 412 * rotation is 90, 180 etc 413 * It returns MDP related enum/define that match rot+flip*/ 414 int getMdpOrient(eTransform rotation); 415 const char* getFormatString(int format); 416 417 template <class T> 418 inline void memset0(T& t) { ::memset(&t, 0, sizeof(T)); } 419 420 template <class T> inline void swap ( T& a, T& b ) 421 { 422 T c(a); a=b; b=c; 423 } 424 425 inline int alignup(int value, int a) { 426 //if align = 0, return the value. Else, do alignment. 427 return a ? ((((value - 1) / a) + 1) * a) : value; 428 } 429 430 inline int aligndown(int value, int a) { 431 //if align = 0, return the value. Else, do alignment. 432 return a ? ((value) & ~(a-1)) : value; 433 } 434 435 // FIXME that align should replace the upper one. 436 inline int align(int value, int a) { 437 //if align = 0, return the value. Else, do alignment. 438 return a ? ((value + (a-1)) & ~(a-1)) : value; 439 } 440 441 enum eRotOutFmt { 442 ROT_OUT_FMT_DEFAULT, 443 ROT_OUT_FMT_Y_CRCB_H2V2 444 }; 445 446 template <int ROT_OUT_FMT> struct RotOutFmt; 447 448 // FIXME, taken from gralloc_priv.h. Need to 449 // put it back as soon as overlay takes place of the old one 450 /* possible formats for 3D content*/ 451 enum { 452 HAL_NO_3D = 0x0000, 453 HAL_3D_IN_SIDE_BY_SIDE_L_R = 0x10000, 454 HAL_3D_IN_TOP_BOTTOM = 0x20000, 455 HAL_3D_IN_INTERLEAVE = 0x40000, 456 HAL_3D_IN_SIDE_BY_SIDE_R_L = 0x80000, 457 HAL_3D_OUT_SIDE_BY_SIDE = 0x1000, 458 HAL_3D_OUT_TOP_BOTTOM = 0x2000, 459 HAL_3D_OUT_INTERLEAVE = 0x4000, 460 HAL_3D_OUT_MONOSCOPIC = 0x8000 461 }; 462 463 enum { HAL_3D_OUT_SBS_MASK = 464 HAL_3D_OUT_SIDE_BY_SIDE >> overlay::utils::SHIFT_OUT_3D, 465 HAL_3D_OUT_TOP_BOT_MASK = 466 HAL_3D_OUT_TOP_BOTTOM >> overlay::utils::SHIFT_OUT_3D, 467 HAL_3D_OUT_INTERL_MASK = 468 HAL_3D_OUT_INTERLEAVE >> overlay::utils::SHIFT_OUT_3D, 469 HAL_3D_OUT_MONOS_MASK = 470 HAL_3D_OUT_MONOSCOPIC >> overlay::utils::SHIFT_OUT_3D 471 }; 472 473 474 inline bool isYuv(uint32_t format) { 475 switch(format){ 476 case MDP_Y_CBCR_H2V1: 477 case MDP_Y_CBCR_H2V2: 478 case MDP_Y_CRCB_H2V2: 479 case MDP_Y_CRCB_H1V1: 480 case MDP_Y_CRCB_H2V1: 481 case MDP_Y_CRCB_H2V2_TILE: 482 case MDP_Y_CBCR_H2V2_TILE: 483 case MDP_Y_CR_CB_H2V2: 484 case MDP_Y_CR_CB_GH2V2: 485 case MDP_Y_CBCR_H2V2_VENUS: 486 return true; 487 default: 488 return false; 489 } 490 return false; 491 } 492 493 inline bool isRgb(uint32_t format) { 494 switch(format) { 495 case MDP_RGBA_8888: 496 case MDP_BGRA_8888: 497 case MDP_RGBX_8888: 498 case MDP_RGB_565: 499 return true; 500 default: 501 return false; 502 } 503 return false; 504 } 505 506 inline const char* getFormatString(int format){ 507 #define STR(f) #f; 508 static const char* formats[MDP_IMGTYPE_LIMIT + 1] = {0}; 509 formats[MDP_RGB_565] = STR(MDP_RGB_565); 510 formats[MDP_XRGB_8888] = STR(MDP_XRGB_8888); 511 formats[MDP_Y_CBCR_H2V2] = STR(MDP_Y_CBCR_H2V2); 512 formats[MDP_Y_CBCR_H2V2_ADRENO] = STR(MDP_Y_CBCR_H2V2_ADRENO); 513 formats[MDP_ARGB_8888] = STR(MDP_ARGB_8888); 514 formats[MDP_RGB_888] = STR(MDP_RGB_888); 515 formats[MDP_Y_CRCB_H2V2] = STR(MDP_Y_CRCB_H2V2); 516 formats[MDP_YCRYCB_H2V1] = STR(MDP_YCRYCB_H2V1); 517 formats[MDP_CBYCRY_H2V1] = STR(MDP_CBYCRY_H2V1); 518 formats[MDP_Y_CRCB_H2V1] = STR(MDP_Y_CRCB_H2V1); 519 formats[MDP_Y_CBCR_H2V1] = STR(MDP_Y_CBCR_H2V1); 520 formats[MDP_Y_CRCB_H1V2] = STR(MDP_Y_CRCB_H1V2); 521 formats[MDP_Y_CBCR_H1V2] = STR(MDP_Y_CBCR_H1V2); 522 formats[MDP_RGBA_8888] = STR(MDP_RGBA_8888); 523 formats[MDP_BGRA_8888] = STR(MDP_BGRA_8888); 524 formats[MDP_RGBX_8888] = STR(MDP_RGBX_8888); 525 formats[MDP_Y_CRCB_H2V2_TILE] = STR(MDP_Y_CRCB_H2V2_TILE); 526 formats[MDP_Y_CBCR_H2V2_TILE] = STR(MDP_Y_CBCR_H2V2_TILE); 527 formats[MDP_Y_CR_CB_H2V2] = STR(MDP_Y_CR_CB_H2V2); 528 formats[MDP_Y_CR_CB_GH2V2] = STR(MDP_Y_CR_CB_GH2V2); 529 formats[MDP_Y_CB_CR_H2V2] = STR(MDP_Y_CB_CR_H2V2); 530 formats[MDP_Y_CRCB_H1V1] = STR(MDP_Y_CRCB_H1V1); 531 formats[MDP_Y_CBCR_H1V1] = STR(MDP_Y_CBCR_H1V1); 532 formats[MDP_YCRCB_H1V1] = STR(MDP_YCRCB_H1V1); 533 formats[MDP_YCBCR_H1V1] = STR(MDP_YCBCR_H1V1); 534 formats[MDP_BGR_565] = STR(MDP_BGR_565); 535 formats[MDP_BGR_888] = STR(MDP_BGR_888); 536 formats[MDP_Y_CBCR_H2V2_VENUS] = STR(MDP_Y_CBCR_H2V2_VENUS); 537 formats[MDP_BGRX_8888] = STR(MDP_BGRX_8888); 538 formats[MDP_IMGTYPE_LIMIT] = STR(MDP_IMGTYPE_LIMIT); 539 540 if(format < 0 || format >= MDP_IMGTYPE_LIMIT) { 541 ALOGE("%s wrong fmt %d", __FUNCTION__, format); 542 return "Unsupported format"; 543 } 544 if(formats[format] == 0) { 545 ALOGE("%s: table missing format %d from header", __FUNCTION__, format); 546 return ""; 547 } 548 return formats[format]; 549 } 550 551 inline void Whf::dump() const { 552 ALOGE("== Dump WHF w=%d h=%d f=%d s=%d start/end ==", 553 w, h, format, size); 554 } 555 556 inline void Dim::dump() const { 557 ALOGE("== Dump Dim x=%d y=%d w=%d h=%d start/end ==", x, y, w, h); 558 } 559 560 // FB0 561 template <int CHAN> 562 inline Dim getPositionS3DImpl(const Whf& whf) 563 { 564 switch (whf.format & OUTPUT_3D_MASK) 565 { 566 case HAL_3D_OUT_SBS_MASK: 567 // x, y, w, h 568 return Dim(0, 0, whf.w/2, whf.h); 569 case HAL_3D_OUT_TOP_BOT_MASK: 570 return Dim(0, 0, whf.w, whf.h/2); 571 case HAL_3D_OUT_MONOS_MASK: 572 return Dim(); 573 case HAL_3D_OUT_INTERL_MASK: 574 // FIXME error? 575 ALOGE("%s HAL_3D_OUT_INTERLEAVE_MASK", __FUNCTION__); 576 return Dim(); 577 default: 578 ALOGE("%s Unsupported 3D output format %d", __FUNCTION__, 579 whf.format); 580 } 581 return Dim(); 582 } 583 584 template <> 585 inline Dim getPositionS3DImpl<utils::OV_RIGHT_SPLIT>(const Whf& whf) 586 { 587 switch (whf.format & OUTPUT_3D_MASK) 588 { 589 case HAL_3D_OUT_SBS_MASK: 590 return Dim(whf.w/2, 0, whf.w/2, whf.h); 591 case HAL_3D_OUT_TOP_BOT_MASK: 592 return Dim(0, whf.h/2, whf.w, whf.h/2); 593 case HAL_3D_OUT_MONOS_MASK: 594 return Dim(0, 0, whf.w, whf.h); 595 case HAL_3D_OUT_INTERL_MASK: 596 // FIXME error? 597 ALOGE("%s HAL_3D_OUT_INTERLEAVE_MASK", __FUNCTION__); 598 return Dim(); 599 default: 600 ALOGE("%s Unsupported 3D output format %d", __FUNCTION__, 601 whf.format); 602 } 603 return Dim(); 604 } 605 606 template <int CHAN> 607 inline bool getPositionS3D(const Whf& whf, Dim& out) { 608 out = getPositionS3DImpl<CHAN>(whf); 609 return (out != Dim()); 610 } 611 612 template <int CHAN> 613 inline Dim getCropS3DImpl(const Dim& in, uint32_t fmt) { 614 switch (fmt & INPUT_3D_MASK) 615 { 616 case HAL_3D_IN_SIDE_BY_SIDE_L_R: 617 return Dim(0, 0, in.w/2, in.h); 618 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 619 return Dim(in.w/2, 0, in.w/2, in.h); 620 case HAL_3D_IN_TOP_BOTTOM: 621 return Dim(0, 0, in.w, in.h/2); 622 case HAL_3D_IN_INTERLEAVE: 623 ALOGE("%s HAL_3D_IN_INTERLEAVE", __FUNCTION__); 624 break; 625 default: 626 ALOGE("%s Unsupported 3D format %d", __FUNCTION__, fmt); 627 break; 628 } 629 return Dim(); 630 } 631 632 template <> 633 inline Dim getCropS3DImpl<utils::OV_RIGHT_SPLIT>(const Dim& in, uint32_t fmt) { 634 switch (fmt & INPUT_3D_MASK) 635 { 636 case HAL_3D_IN_SIDE_BY_SIDE_L_R: 637 return Dim(in.w/2, 0, in.w/2, in.h); 638 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 639 return Dim(0, 0, in.w/2, in.h); 640 case HAL_3D_IN_TOP_BOTTOM: 641 return Dim(0, in.h/2, in.w, in.h/2); 642 case HAL_3D_IN_INTERLEAVE: 643 ALOGE("%s HAL_3D_IN_INTERLEAVE", __FUNCTION__); 644 break; 645 default: 646 ALOGE("%s Unsupported 3D format %d", __FUNCTION__, fmt); 647 break; 648 } 649 return Dim(); 650 } 651 652 template <int CHAN> 653 inline bool getCropS3D(const Dim& in, Dim& out, uint32_t fmt) 654 { 655 out = getCropS3DImpl<CHAN>(in, fmt); 656 return (out != Dim()); 657 } 658 659 template <class Type> 660 void swapWidthHeight(Type& width, Type& height) { 661 Type tmp = width; 662 width = height; 663 height = tmp; 664 } 665 666 inline void ScreenInfo::dump(const char* const s) const { 667 ALOGE("== Dump %s ScreenInfo w=%d h=%d" 668 " bpp=%d stride=%d start/end ==", 669 s, mFBWidth, mFBHeight, mFBbpp, mFBystride); 670 } 671 672 inline bool openDev(OvFD& fd, int fbnum, 673 const char* const devpath, int flags) { 674 return overlay::open(fd, fbnum, devpath, flags); 675 } 676 677 template <class T> 678 inline void even_ceil(T& value) { 679 if(value & 1) 680 value++; 681 } 682 683 template <class T> 684 inline void even_floor(T& value) { 685 if(value & 1) 686 value--; 687 } 688 689 void preRotateSource(const eTransform& tr, Whf& whf, Dim& srcCrop); 690 void getDump(char *buf, size_t len, const char *prefix, const mdp_overlay& ov); 691 void getDump(char *buf, size_t len, const char *prefix, const msmfb_img& ov); 692 void getDump(char *buf, size_t len, const char *prefix, const mdp_rect& ov); 693 void getDump(char *buf, size_t len, const char *prefix, 694 const msmfb_overlay_data& ov); 695 void getDump(char *buf, size_t len, const char *prefix, const msmfb_data& ov); 696 void getDump(char *buf, size_t len, const char *prefix, 697 const msm_rotator_img_info& ov); 698 void getDump(char *buf, size_t len, const char *prefix, 699 const msm_rotator_data_info& ov); 700 701 } // namespace utils ends 702 703 //--------------------Class Res stuff (namespace overlay only) ----------- 704 705 class Res { 706 public: 707 // /dev/graphics/fb%u 708 static const char* const fbPath; 709 // /dev/msm_rotator 710 static const char* const rotPath; 711 // /sys/class/graphics/fb1/format_3d 712 static const char* const format3DFile; 713 // /sys/class/graphics/fb1/3d_present 714 static const char* const edid3dInfoFile; 715 // /sys/devices/platform/mipi_novatek.0/enable_3d_barrier 716 static const char* const barrierFile; 717 }; 718 719 720 //--------------------Class OvFD stuff (namespace overlay only) ----------- 721 722 /* 723 * Holds one FD 724 * Dtor will NOT close the underlying FD. 725 * That enables us to copy that object around 726 * */ 727 class OvFD { 728 public: 729 /* Ctor */ 730 explicit OvFD(); 731 732 /* dtor will NOT close the underlying FD */ 733 ~OvFD(); 734 735 /* Open fd using the path given by dev. 736 * return false in failure */ 737 bool open(const char* const dev, 738 int flags = O_RDWR); 739 740 /* populate path */ 741 void setPath(const char* const dev); 742 743 /* Close fd if we have a valid fd. */ 744 bool close(); 745 746 /* returns underlying fd.*/ 747 int getFD() const; 748 749 /* returns true if fd is valid */ 750 bool valid() const; 751 752 /* like operator= */ 753 void copy(int fd); 754 755 /* dump the state of the instance */ 756 void dump() const; 757 private: 758 /* helper enum for determine valid/invalid fd */ 759 enum { INVAL = -1 }; 760 761 /* actual os fd */ 762 int mFD; 763 764 /* path, for debugging */ 765 char mPath[utils::MAX_PATH_LEN]; 766 }; 767 768 //-------------------Inlines-------------------------- 769 770 inline bool open(OvFD& fd, uint32_t fbnum, const char* const dev, int flags) 771 { 772 char dev_name[64] = {0}; 773 snprintf(dev_name, sizeof(dev_name), dev, fbnum); 774 return fd.open(dev_name, flags); 775 } 776 777 inline OvFD::OvFD() : mFD (INVAL) { 778 mPath[0] = 0; 779 } 780 781 inline OvFD::~OvFD() { 782 //no op since copy() can be used to share fd, in 3d cases. 783 } 784 785 inline bool OvFD::open(const char* const dev, int flags) 786 { 787 mFD = ::open(dev, flags, 0); 788 if (mFD < 0) { 789 // FIXME errno, strerror in bionic? 790 ALOGE("Cant open device %s err=%d", dev, errno); 791 return false; 792 } 793 setPath(dev); 794 return true; 795 } 796 797 inline void OvFD::setPath(const char* const dev) 798 { 799 ::strncpy(mPath, dev, utils::MAX_PATH_LEN); 800 } 801 802 inline bool OvFD::close() 803 { 804 int ret = 0; 805 if(valid()) { 806 ret = ::close(mFD); 807 mFD = INVAL; 808 } 809 return (ret == 0); 810 } 811 812 inline bool OvFD::valid() const 813 { 814 return (mFD != INVAL); 815 } 816 817 inline int OvFD::getFD() const { return mFD; } 818 819 inline void OvFD::copy(int fd) { 820 mFD = fd; 821 } 822 823 inline void OvFD::dump() const 824 { 825 ALOGE("== Dump OvFD fd=%d path=%s start/end ==", 826 mFD, mPath); 827 } 828 829 //--------------- class OvFD stuff ends --------------------- 830 831 } // overlay 832 833 834 #endif // OVERLAY_UTILS_H 835
