1 /* 2 * Copyright (c) 2011-2014, 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 #ifndef MDSS_MDP_DUAL_PIPE 81 #define MDSS_MDP_DUAL_PIPE 0x200 82 #endif 83 84 #define FB_DEVICE_TEMPLATE "/dev/graphics/fb%u" 85 86 namespace overlay { 87 88 // fwd 89 class Overlay; 90 class OvFD; 91 92 /* helper function to open by using fbnum */ 93 bool open(OvFD& fd, uint32_t fbnum, const char* const dev, 94 int flags = O_RDWR); 95 96 namespace utils { 97 struct Whf; 98 struct Dim; 99 100 inline uint32_t setBit(uint32_t x, uint32_t mask) { 101 return (x | mask); 102 } 103 104 inline uint32_t clrBit(uint32_t x, uint32_t mask) { 105 return (x & ~mask); 106 } 107 108 /* Utility class to help avoid copying instances by making the copy ctor 109 * and assignment operator private 110 * 111 * Usage: 112 * class SomeClass : utils::NoCopy {...}; 113 */ 114 class NoCopy { 115 protected: 116 NoCopy(){} 117 ~NoCopy() {} 118 private: 119 NoCopy(const NoCopy&); 120 const NoCopy& operator=(const NoCopy&); 121 }; 122 123 124 /* 3D related utils, defines etc... 125 * The compound format passed to the overlay is 126 * ABCCC where A is the input 3D format 127 * B is the output 3D format 128 * CCC is the color format e.g YCbCr420SP YCrCb420SP etc */ 129 enum { SHIFT_OUT_3D = 12, 130 SHIFT_TOT_3D = 16 }; 131 enum { INPUT_3D_MASK = 0xFFFF0000, 132 OUTPUT_3D_MASK = 0x0000FFFF }; 133 enum { BARRIER_LAND = 1, 134 BARRIER_PORT = 2 }; 135 136 inline uint32_t format3D(uint32_t x) { return x & 0xFF000; } 137 inline uint32_t format3DOutput(uint32_t x) { 138 return (x & 0xF000) >> SHIFT_OUT_3D; } 139 inline uint32_t format3DInput(uint32_t x) { return x & 0xF0000; } 140 141 bool isHDMIConnected (); 142 bool is3DTV(); 143 bool isPanel3D(); 144 bool usePanel3D(); 145 bool send3DInfoPacket (uint32_t fmt); 146 bool enableBarrier (uint32_t orientation); 147 uint32_t getS3DFormat(uint32_t fmt); 148 bool isMdssRotator(); 149 void normalizeCrop(uint32_t& xy, uint32_t& wh); 150 151 template <int CHAN> 152 bool getPositionS3D(const Whf& whf, Dim& out); 153 154 template <int CHAN> 155 bool getCropS3D(const Dim& in, Dim& out, uint32_t fmt); 156 157 template <class Type> 158 void swapWidthHeight(Type& width, Type& height); 159 160 struct Dim { 161 Dim () : x(0), y(0), 162 w(0), h(0), 163 o(0) {} 164 Dim(uint32_t _x, uint32_t _y, uint32_t _w, uint32_t _h) : 165 x(_x), y(_y), 166 w(_w), h(_h) {} 167 Dim(uint32_t _x, uint32_t _y, uint32_t _w, uint32_t _h, uint32_t _o) : 168 x(_x), y(_y), 169 w(_w), h(_h), 170 o(_o) {} 171 bool check(uint32_t _w, uint32_t _h) const { 172 return (x+w <= _w && y+h <= _h); 173 174 } 175 176 bool operator==(const Dim& d) const { 177 return d.x == x && d.y == y && 178 d.w == w && d.h == h && 179 d.o == o; 180 } 181 182 bool operator!=(const Dim& d) const { 183 return !operator==(d); 184 } 185 186 void dump() const; 187 uint32_t x; 188 uint32_t y; 189 uint32_t w; 190 uint32_t h; 191 uint32_t o; 192 }; 193 194 // TODO have Whfz 195 196 struct Whf { 197 Whf() : w(0), h(0), format(0), size(0) {} 198 Whf(uint32_t wi, uint32_t he, uint32_t f) : 199 w(wi), h(he), format(f), size(0) {} 200 Whf(uint32_t wi, uint32_t he, uint32_t f, uint32_t s) : 201 w(wi), h(he), format(f), size(s) {} 202 // FIXME not comparing size at the moment 203 bool operator==(const Whf& whf) const { 204 return whf.w == w && whf.h == h && 205 whf.format == format; 206 } 207 bool operator!=(const Whf& whf) const { 208 return !operator==(whf); 209 } 210 void dump() const; 211 uint32_t w; 212 uint32_t h; 213 uint32_t format; 214 uint32_t size; 215 }; 216 217 enum { MAX_PATH_LEN = 256 }; 218 219 enum { DEFAULT_PLANE_ALPHA = 0xFF }; 220 221 /** 222 * Rotator flags: not to be confused with orientation flags. 223 * Usually, you want to open the rotator to make sure it is 224 * ready for business. 225 * */ 226 enum eRotFlags { 227 ROT_FLAGS_NONE = 0, 228 //Use rotator for 0 rotation. It is used anyway for others. 229 ROT_0_ENABLED = 1 << 0, 230 //Enable rotator downscale optimization for hardware bugs not handled in 231 //driver. If downscale optimizatation is required, 232 //then rotator will be used even if its 0 rotation case. 233 ROT_DOWNSCALE_ENABLED = 1 << 1, 234 ROT_PREROTATED = 1 << 2, 235 }; 236 237 enum eRotDownscale { 238 ROT_DS_NONE = 0, 239 ROT_DS_HALF = 1, 240 ROT_DS_FOURTH = 2, 241 ROT_DS_EIGHTH = 3, 242 }; 243 244 /* The values for is_fg flag for control alpha and transp 245 * IS_FG_OFF means is_fg = 0 246 * IS_FG_SET means is_fg = 1 247 */ 248 enum eIsFg { 249 IS_FG_OFF = 0, 250 IS_FG_SET = 1 251 }; 252 253 /* 254 * Various mdp flags like PIPE SHARE, DEINTERLACE etc... 255 * kernel/common/linux/msm_mdp.h 256 * INTERLACE_MASK: hardware/qcom/display/libgralloc/badger/fb_priv.h 257 * */ 258 enum eMdpFlags { 259 OV_MDP_FLAGS_NONE = 0, 260 OV_MDP_PIPE_SHARE = MDP_OV_PIPE_SHARE, 261 OV_MDP_PIPE_FORCE_DMA = MDP_OV_PIPE_FORCE_DMA, 262 OV_MDP_DEINTERLACE = MDP_DEINTERLACE, 263 OV_MDP_SECURE_OVERLAY_SESSION = MDP_SECURE_OVERLAY_SESSION, 264 OV_MDP_SECURE_DISPLAY_OVERLAY_SESSION = MDP_SECURE_DISPLAY_OVERLAY_SESSION, 265 OV_MDP_SOURCE_ROTATED_90 = MDP_SOURCE_ROTATED_90, 266 OV_MDP_BACKEND_COMPOSITION = MDP_BACKEND_COMPOSITION, 267 OV_MDP_BLEND_FG_PREMULT = MDP_BLEND_FG_PREMULT, 268 OV_MDP_FLIP_H = MDP_FLIP_LR, 269 OV_MDP_FLIP_V = MDP_FLIP_UD, 270 OV_MDSS_MDP_RIGHT_MIXER = MDSS_MDP_RIGHT_MIXER, 271 OV_MDP_PP_EN = MDP_OVERLAY_PP_CFG_EN, 272 OV_MDSS_MDP_BWC_EN = MDP_BWC_EN, 273 OV_MDSS_MDP_DUAL_PIPE = MDSS_MDP_DUAL_PIPE, 274 OV_MDP_SOLID_FILL = MDP_SOLID_FILL, 275 }; 276 277 enum eZorder { 278 ZORDER_0 = 0, 279 ZORDER_1, 280 ZORDER_2, 281 ZORDER_3, 282 Z_SYSTEM_ALLOC = 0xFFFF 283 }; 284 285 enum eMdpPipeType { 286 OV_MDP_PIPE_RGB = 0, 287 OV_MDP_PIPE_VG, 288 OV_MDP_PIPE_DMA, 289 OV_MDP_PIPE_ANY, //Any 290 }; 291 292 // Identify destination pipes 293 // TODO Names useless, replace with int and change all interfaces 294 enum eDest { 295 OV_P0 = 0, 296 OV_P1, 297 OV_P2, 298 OV_P3, 299 OV_P4, 300 OV_P5, 301 OV_P6, 302 OV_P7, 303 OV_P8, 304 OV_P9, 305 OV_INVALID, 306 OV_MAX = OV_INVALID, 307 }; 308 309 /* Used when a buffer is split over 2 pipes and sent to display */ 310 enum { 311 OV_LEFT_SPLIT = 0, 312 OV_RIGHT_SPLIT, 313 }; 314 315 /* values for copybit_set_parameter(OVERLAY_TRANSFORM) */ 316 enum eTransform { 317 /* No rot */ 318 OVERLAY_TRANSFORM_0 = 0x0, 319 /* flip source image horizontally 0x1 */ 320 OVERLAY_TRANSFORM_FLIP_H = HAL_TRANSFORM_FLIP_H, 321 /* flip source image vertically 0x2 */ 322 OVERLAY_TRANSFORM_FLIP_V = HAL_TRANSFORM_FLIP_V, 323 /* rotate source image 180 degrees 324 * It is basically bit-or-ed H | V == 0x3 */ 325 OVERLAY_TRANSFORM_ROT_180 = HAL_TRANSFORM_ROT_180, 326 /* rotate source image 90 degrees 0x4 */ 327 OVERLAY_TRANSFORM_ROT_90 = HAL_TRANSFORM_ROT_90, 328 /* rotate source image 90 degrees and flip horizontally 0x5 */ 329 OVERLAY_TRANSFORM_ROT_90_FLIP_H = HAL_TRANSFORM_ROT_90 | 330 HAL_TRANSFORM_FLIP_H, 331 /* rotate source image 90 degrees and flip vertically 0x6 */ 332 OVERLAY_TRANSFORM_ROT_90_FLIP_V = HAL_TRANSFORM_ROT_90 | 333 HAL_TRANSFORM_FLIP_V, 334 /* rotate source image 270 degrees 335 * Basically 180 | 90 == 0x7 */ 336 OVERLAY_TRANSFORM_ROT_270 = HAL_TRANSFORM_ROT_270, 337 /* rotate invalid like in Transform.h */ 338 OVERLAY_TRANSFORM_INV = 0x80 339 }; 340 341 enum eBlending { 342 OVERLAY_BLENDING_UNDEFINED = 0x0, 343 /* No blending */ 344 OVERLAY_BLENDING_OPAQUE, 345 /* src.rgb + dst.rgb*(1-src_alpha) */ 346 OVERLAY_BLENDING_PREMULT, 347 /* src.rgb * src_alpha + dst.rgb (1 - src_alpha) */ 348 OVERLAY_BLENDING_COVERAGE, 349 }; 350 351 // Used to consolidate pipe params 352 struct PipeArgs { 353 PipeArgs() : mdpFlags(OV_MDP_FLAGS_NONE), 354 zorder(Z_SYSTEM_ALLOC), 355 isFg(IS_FG_OFF), 356 rotFlags(ROT_FLAGS_NONE), 357 planeAlpha(DEFAULT_PLANE_ALPHA), 358 blending(OVERLAY_BLENDING_COVERAGE){ 359 } 360 361 PipeArgs(eMdpFlags f, Whf _whf, 362 eZorder z, eIsFg fg, eRotFlags r, 363 int pA = DEFAULT_PLANE_ALPHA, eBlending b = OVERLAY_BLENDING_COVERAGE) : 364 mdpFlags(f), 365 whf(_whf), 366 zorder(z), 367 isFg(fg), 368 rotFlags(r), 369 planeAlpha(pA), 370 blending(b){ 371 } 372 373 eMdpFlags mdpFlags; // for mdp_overlay flags 374 Whf whf; 375 eZorder zorder; // stage number 376 eIsFg isFg; // control alpha & transp 377 eRotFlags rotFlags; 378 int planeAlpha; 379 eBlending blending; 380 }; 381 382 // Cannot use HW_OVERLAY_MAGNIFICATION_LIMIT, since at the time 383 // of integration, HW_OVERLAY_MAGNIFICATION_LIMIT was a define 384 enum { HW_OV_MAGNIFICATION_LIMIT = 20, 385 HW_OV_MINIFICATION_LIMIT = 8 386 }; 387 388 inline void setMdpFlags(eMdpFlags& f, eMdpFlags v) { 389 f = static_cast<eMdpFlags>(setBit(f, v)); 390 } 391 392 inline void clearMdpFlags(eMdpFlags& f, eMdpFlags v) { 393 f = static_cast<eMdpFlags>(clrBit(f, v)); 394 } 395 396 enum { FB0, FB1, FB2 }; 397 398 struct ScreenInfo { 399 ScreenInfo() : mFBWidth(0), 400 mFBHeight(0), 401 mFBbpp(0), 402 mFBystride(0) {} 403 void dump(const char* const s) const; 404 uint32_t mFBWidth; 405 uint32_t mFBHeight; 406 uint32_t mFBbpp; 407 uint32_t mFBystride; 408 }; 409 410 int getMdpFormat(int format); 411 int getMdpFormat(int format, bool tileEnabled); 412 int getHALFormat(int mdpFormat); 413 int getDownscaleFactor(const int& src_w, const int& src_h, 414 const int& dst_w, const int& dst_h); 415 void getDecimationFactor(const int& src_w, const int& src_h, 416 const int& dst_w, const int& dst_h, float& horDscale, 417 float& verDscale); 418 419 /* flip is upside down and such. V, H flip 420 * rotation is 90, 180 etc 421 * It returns MDP related enum/define that match rot+flip*/ 422 int getMdpOrient(eTransform rotation); 423 const char* getFormatString(int format); 424 425 template <class T> 426 inline void memset0(T& t) { ::memset(&t, 0, sizeof(t)); } 427 428 template <class T> inline void swap ( T& a, T& b ) 429 { 430 T c(a); a=b; b=c; 431 } 432 433 inline int alignup(int value, int a) { 434 //if align = 0, return the value. Else, do alignment. 435 return a ? ((((value - 1) / a) + 1) * a) : value; 436 } 437 438 inline int aligndown(int value, int a) { 439 //if align = 0, return the value. Else, do alignment. 440 return a ? ((value) & ~(a-1)) : value; 441 } 442 443 // FIXME that align should replace the upper one. 444 inline int align(int value, int a) { 445 //if align = 0, return the value. Else, do alignment. 446 return a ? ((value + (a-1)) & ~(a-1)) : value; 447 } 448 449 enum eRotOutFmt { 450 ROT_OUT_FMT_DEFAULT, 451 ROT_OUT_FMT_Y_CRCB_H2V2 452 }; 453 454 template <int ROT_OUT_FMT> struct RotOutFmt; 455 456 // FIXME, taken from gralloc_priv.h. Need to 457 // put it back as soon as overlay takes place of the old one 458 /* possible formats for 3D content*/ 459 enum { 460 HAL_NO_3D = 0x0000, 461 HAL_3D_IN_SIDE_BY_SIDE_L_R = 0x10000, 462 HAL_3D_IN_TOP_BOTTOM = 0x20000, 463 HAL_3D_IN_INTERLEAVE = 0x40000, 464 HAL_3D_IN_SIDE_BY_SIDE_R_L = 0x80000, 465 HAL_3D_OUT_SIDE_BY_SIDE = 0x1000, 466 HAL_3D_OUT_TOP_BOTTOM = 0x2000, 467 HAL_3D_OUT_INTERLEAVE = 0x4000, 468 HAL_3D_OUT_MONOSCOPIC = 0x8000 469 }; 470 471 enum { HAL_3D_OUT_SBS_MASK = 472 HAL_3D_OUT_SIDE_BY_SIDE >> overlay::utils::SHIFT_OUT_3D, 473 HAL_3D_OUT_TOP_BOT_MASK = 474 HAL_3D_OUT_TOP_BOTTOM >> overlay::utils::SHIFT_OUT_3D, 475 HAL_3D_OUT_INTERL_MASK = 476 HAL_3D_OUT_INTERLEAVE >> overlay::utils::SHIFT_OUT_3D, 477 HAL_3D_OUT_MONOS_MASK = 478 HAL_3D_OUT_MONOSCOPIC >> overlay::utils::SHIFT_OUT_3D 479 }; 480 481 482 inline bool isYuv(uint32_t format) { 483 switch(format){ 484 case MDP_Y_CBCR_H2V1: 485 case MDP_Y_CBCR_H2V2: 486 case MDP_Y_CRCB_H2V2: 487 case MDP_Y_CRCB_H1V1: 488 case MDP_Y_CRCB_H2V1: 489 case MDP_Y_CRCB_H2V2_TILE: 490 case MDP_Y_CBCR_H2V2_TILE: 491 case MDP_Y_CR_CB_H2V2: 492 case MDP_Y_CR_CB_GH2V2: 493 case MDP_Y_CBCR_H2V2_VENUS: 494 case MDP_YCBYCR_H2V1: 495 case MDP_YCRYCB_H2V1: 496 return true; 497 default: 498 return false; 499 } 500 return false; 501 } 502 503 inline bool isRgb(uint32_t format) { 504 switch(format) { 505 case MDP_RGBA_8888: 506 case MDP_BGRA_8888: 507 case MDP_RGBX_8888: 508 case MDP_RGB_565: 509 return true; 510 default: 511 return false; 512 } 513 return false; 514 } 515 516 inline const char* getFormatString(int format){ 517 #define STR(f) #f; 518 static const char* formats[MDP_IMGTYPE_LIMIT + 1] = {0}; 519 formats[MDP_RGB_565] = STR(MDP_RGB_565); 520 formats[MDP_XRGB_8888] = STR(MDP_XRGB_8888); 521 formats[MDP_Y_CBCR_H2V2] = STR(MDP_Y_CBCR_H2V2); 522 formats[MDP_Y_CBCR_H2V2_ADRENO] = STR(MDP_Y_CBCR_H2V2_ADRENO); 523 formats[MDP_ARGB_8888] = STR(MDP_ARGB_8888); 524 formats[MDP_RGB_888] = STR(MDP_RGB_888); 525 formats[MDP_Y_CRCB_H2V2] = STR(MDP_Y_CRCB_H2V2); 526 formats[MDP_YCBYCR_H2V1] = STR(MDP_YCBYCR_H2V1); 527 formats[MDP_YCRYCB_H2V1] = STR(MDP_YCRYCB_H2V1); 528 formats[MDP_CBYCRY_H2V1] = STR(MDP_CBYCRY_H2V1); 529 formats[MDP_Y_CRCB_H2V1] = STR(MDP_Y_CRCB_H2V1); 530 formats[MDP_Y_CBCR_H2V1] = STR(MDP_Y_CBCR_H2V1); 531 formats[MDP_Y_CRCB_H1V2] = STR(MDP_Y_CRCB_H1V2); 532 formats[MDP_Y_CBCR_H1V2] = STR(MDP_Y_CBCR_H1V2); 533 formats[MDP_RGBA_8888] = STR(MDP_RGBA_8888); 534 formats[MDP_BGRA_8888] = STR(MDP_BGRA_8888); 535 formats[MDP_RGBX_8888] = STR(MDP_RGBX_8888); 536 formats[MDP_Y_CRCB_H2V2_TILE] = STR(MDP_Y_CRCB_H2V2_TILE); 537 formats[MDP_Y_CBCR_H2V2_TILE] = STR(MDP_Y_CBCR_H2V2_TILE); 538 formats[MDP_Y_CR_CB_H2V2] = STR(MDP_Y_CR_CB_H2V2); 539 formats[MDP_Y_CR_CB_GH2V2] = STR(MDP_Y_CR_CB_GH2V2); 540 formats[MDP_Y_CB_CR_H2V2] = STR(MDP_Y_CB_CR_H2V2); 541 formats[MDP_Y_CRCB_H1V1] = STR(MDP_Y_CRCB_H1V1); 542 formats[MDP_Y_CBCR_H1V1] = STR(MDP_Y_CBCR_H1V1); 543 formats[MDP_YCRCB_H1V1] = STR(MDP_YCRCB_H1V1); 544 formats[MDP_YCBCR_H1V1] = STR(MDP_YCBCR_H1V1); 545 formats[MDP_BGR_565] = STR(MDP_BGR_565); 546 formats[MDP_BGR_888] = STR(MDP_BGR_888); 547 formats[MDP_Y_CBCR_H2V2_VENUS] = STR(MDP_Y_CBCR_H2V2_VENUS); 548 formats[MDP_BGRX_8888] = STR(MDP_BGRX_8888); 549 formats[MDP_RGBA_8888_TILE] = STR(MDP_RGBA_8888_TILE); 550 formats[MDP_ARGB_8888_TILE] = STR(MDP_ARGB_8888_TILE); 551 formats[MDP_ABGR_8888_TILE] = STR(MDP_ABGR_8888_TILE); 552 formats[MDP_BGRA_8888_TILE] = STR(MDP_BGRA_8888_TILE); 553 formats[MDP_RGBX_8888_TILE] = STR(MDP_RGBX_8888_TILE); 554 formats[MDP_XRGB_8888_TILE] = STR(MDP_XRGB_8888_TILE); 555 formats[MDP_XBGR_8888_TILE] = STR(MDP_XBGR_8888_TILE); 556 formats[MDP_BGRX_8888_TILE] = STR(MDP_BGRX_8888_TILE); 557 formats[MDP_RGB_565_TILE] = STR(MDP_RGB_565_TILE); 558 formats[MDP_IMGTYPE_LIMIT] = STR(MDP_IMGTYPE_LIMIT); 559 560 if(format < 0 || format >= MDP_IMGTYPE_LIMIT) { 561 ALOGE("%s wrong fmt %d", __FUNCTION__, format); 562 return "Unsupported format"; 563 } 564 if(formats[format] == 0) { 565 ALOGE("%s: table missing format %d from header", __FUNCTION__, format); 566 return ""; 567 } 568 return formats[format]; 569 } 570 571 inline void Whf::dump() const { 572 ALOGE("== Dump WHF w=%d h=%d f=%d s=%d start/end ==", 573 w, h, format, size); 574 } 575 576 inline void Dim::dump() const { 577 ALOGE("== Dump Dim x=%d y=%d w=%d h=%d start/end ==", x, y, w, h); 578 } 579 580 // FB0 581 template <int CHAN> 582 inline Dim getPositionS3DImpl(const Whf& whf) 583 { 584 switch (whf.format & OUTPUT_3D_MASK) 585 { 586 case HAL_3D_OUT_SBS_MASK: 587 // x, y, w, h 588 return Dim(0, 0, whf.w/2, whf.h); 589 case HAL_3D_OUT_TOP_BOT_MASK: 590 return Dim(0, 0, whf.w, whf.h/2); 591 case HAL_3D_OUT_MONOS_MASK: 592 return Dim(); 593 case HAL_3D_OUT_INTERL_MASK: 594 // FIXME error? 595 ALOGE("%s HAL_3D_OUT_INTERLEAVE_MASK", __FUNCTION__); 596 return Dim(); 597 default: 598 ALOGE("%s Unsupported 3D output format %d", __FUNCTION__, 599 whf.format); 600 } 601 return Dim(); 602 } 603 604 template <> 605 inline Dim getPositionS3DImpl<utils::OV_RIGHT_SPLIT>(const Whf& whf) 606 { 607 switch (whf.format & OUTPUT_3D_MASK) 608 { 609 case HAL_3D_OUT_SBS_MASK: 610 return Dim(whf.w/2, 0, whf.w/2, whf.h); 611 case HAL_3D_OUT_TOP_BOT_MASK: 612 return Dim(0, whf.h/2, whf.w, whf.h/2); 613 case HAL_3D_OUT_MONOS_MASK: 614 return Dim(0, 0, whf.w, whf.h); 615 case HAL_3D_OUT_INTERL_MASK: 616 // FIXME error? 617 ALOGE("%s HAL_3D_OUT_INTERLEAVE_MASK", __FUNCTION__); 618 return Dim(); 619 default: 620 ALOGE("%s Unsupported 3D output format %d", __FUNCTION__, 621 whf.format); 622 } 623 return Dim(); 624 } 625 626 template <int CHAN> 627 inline bool getPositionS3D(const Whf& whf, Dim& out) { 628 out = getPositionS3DImpl<CHAN>(whf); 629 return (out != Dim()); 630 } 631 632 template <int CHAN> 633 inline Dim getCropS3DImpl(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(0, 0, in.w/2, in.h); 638 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 639 return Dim(in.w/2, 0, in.w/2, in.h); 640 case HAL_3D_IN_TOP_BOTTOM: 641 return Dim(0, 0, 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 <> 653 inline Dim getCropS3DImpl<utils::OV_RIGHT_SPLIT>(const Dim& in, uint32_t fmt) { 654 switch (fmt & INPUT_3D_MASK) 655 { 656 case HAL_3D_IN_SIDE_BY_SIDE_L_R: 657 return Dim(in.w/2, 0, in.w/2, in.h); 658 case HAL_3D_IN_SIDE_BY_SIDE_R_L: 659 return Dim(0, 0, in.w/2, in.h); 660 case HAL_3D_IN_TOP_BOTTOM: 661 return Dim(0, in.h/2, in.w, in.h/2); 662 case HAL_3D_IN_INTERLEAVE: 663 ALOGE("%s HAL_3D_IN_INTERLEAVE", __FUNCTION__); 664 break; 665 default: 666 ALOGE("%s Unsupported 3D format %d", __FUNCTION__, fmt); 667 break; 668 } 669 return Dim(); 670 } 671 672 template <int CHAN> 673 inline bool getCropS3D(const Dim& in, Dim& out, uint32_t fmt) 674 { 675 out = getCropS3DImpl<CHAN>(in, fmt); 676 return (out != Dim()); 677 } 678 679 template <class Type> 680 void swapWidthHeight(Type& width, Type& height) { 681 Type tmp = width; 682 width = height; 683 height = tmp; 684 } 685 686 inline void ScreenInfo::dump(const char* const s) const { 687 ALOGE("== Dump %s ScreenInfo w=%d h=%d" 688 " bpp=%d stride=%d start/end ==", 689 s, mFBWidth, mFBHeight, mFBbpp, mFBystride); 690 } 691 692 inline bool openDev(OvFD& fd, int fbnum, 693 const char* const devpath, int flags) { 694 return overlay::open(fd, fbnum, devpath, flags); 695 } 696 697 template <class T> 698 inline void even_ceil(T& value) { 699 if(value & 1) 700 value++; 701 } 702 703 template <class T> 704 inline void even_floor(T& value) { 705 if(value & 1) 706 value--; 707 } 708 709 void preRotateSource(const eTransform& tr, Whf& whf, Dim& srcCrop); 710 void getDump(char *buf, size_t len, const char *prefix, const mdp_overlay& ov); 711 void getDump(char *buf, size_t len, const char *prefix, const msmfb_img& ov); 712 void getDump(char *buf, size_t len, const char *prefix, const mdp_rect& ov); 713 void getDump(char *buf, size_t len, const char *prefix, 714 const msmfb_overlay_data& ov); 715 void getDump(char *buf, size_t len, const char *prefix, const msmfb_data& ov); 716 void getDump(char *buf, size_t len, const char *prefix, 717 const msm_rotator_img_info& ov); 718 void getDump(char *buf, size_t len, const char *prefix, 719 const msm_rotator_data_info& ov); 720 721 } // namespace utils ends 722 723 //--------------------Class Res stuff (namespace overlay only) ----------- 724 725 class Res { 726 public: 727 // /dev/graphics/fb%u 728 static const char* const fbPath; 729 // /dev/msm_rotator 730 static const char* const rotPath; 731 // /sys/class/graphics/fb1/format_3d 732 static const char* const format3DFile; 733 // /sys/class/graphics/fb1/3d_present 734 static const char* const edid3dInfoFile; 735 // /sys/devices/platform/mipi_novatek.0/enable_3d_barrier 736 static const char* const barrierFile; 737 }; 738 739 740 //--------------------Class OvFD stuff (namespace overlay only) ----------- 741 742 /* 743 * Holds one FD 744 * Dtor will NOT close the underlying FD. 745 * That enables us to copy that object around 746 * */ 747 class OvFD { 748 public: 749 /* Ctor */ 750 explicit OvFD(); 751 752 /* dtor will NOT close the underlying FD */ 753 ~OvFD(); 754 755 /* Open fd using the path given by dev. 756 * return false in failure */ 757 bool open(const char* const dev, 758 int flags = O_RDWR); 759 760 /* populate path */ 761 void setPath(const char* const dev); 762 763 /* Close fd if we have a valid fd. */ 764 bool close(); 765 766 /* returns underlying fd.*/ 767 int getFD() const; 768 769 /* returns true if fd is valid */ 770 bool valid() const; 771 772 /* like operator= */ 773 void copy(int fd); 774 775 /* dump the state of the instance */ 776 void dump() const; 777 private: 778 /* helper enum for determine valid/invalid fd */ 779 enum { INVAL = -1 }; 780 781 /* actual os fd */ 782 int mFD; 783 784 /* path, for debugging */ 785 char mPath[utils::MAX_PATH_LEN]; 786 }; 787 788 //-------------------Inlines-------------------------- 789 790 inline bool open(OvFD& fd, uint32_t fbnum, const char* const dev, int flags) 791 { 792 char dev_name[64] = {0}; 793 snprintf(dev_name, sizeof(dev_name), dev, fbnum); 794 return fd.open(dev_name, flags); 795 } 796 797 inline OvFD::OvFD() : mFD (INVAL) { 798 mPath[0] = 0; 799 } 800 801 inline OvFD::~OvFD() { 802 //no op since copy() can be used to share fd, in 3d cases. 803 } 804 805 inline bool OvFD::open(const char* const dev, int flags) 806 { 807 mFD = ::open(dev, flags, 0); 808 if (mFD < 0) { 809 // FIXME errno, strerror in bionic? 810 ALOGE("Cant open device %s err=%d", dev, errno); 811 return false; 812 } 813 setPath(dev); 814 return true; 815 } 816 817 inline void OvFD::setPath(const char* const dev) 818 { 819 ::strlcpy(mPath, dev, sizeof(mPath)); 820 } 821 822 inline bool OvFD::close() 823 { 824 int ret = 0; 825 if(valid()) { 826 ret = ::close(mFD); 827 mFD = INVAL; 828 } 829 return (ret == 0); 830 } 831 832 inline bool OvFD::valid() const 833 { 834 return (mFD != INVAL); 835 } 836 837 inline int OvFD::getFD() const { return mFD; } 838 839 inline void OvFD::copy(int fd) { 840 mFD = fd; 841 } 842 843 inline void OvFD::dump() const 844 { 845 ALOGE("== Dump OvFD fd=%d path=%s start/end ==", 846 mFD, mPath); 847 } 848 849 //--------------- class OvFD stuff ends --------------------- 850 851 } // overlay 852 853 854 #endif // OVERLAY_UTILS_H 855