egl.cpp revision 3aa75f95f23df87cf74ddefe0d3f90b1484ff95e
1/* 2** 3** Copyright 2007 The Android Open Source Project 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 <assert.h> 19#include <atomic> 20#include <errno.h> 21#include <stdlib.h> 22#include <stdio.h> 23#include <string.h> 24#include <unistd.h> 25#include <fcntl.h> 26#include <sys/ioctl.h> 27#include <sys/types.h> 28#include <sys/mman.h> 29 30#include <cutils/log.h> 31 32#include <utils/threads.h> 33#include <ui/ANativeObjectBase.h> 34#include <ui/Fence.h> 35 36#include <EGL/egl.h> 37#include <EGL/eglext.h> 38#include <GLES/gl.h> 39#include <GLES/glext.h> 40 41#include <pixelflinger/format.h> 42#include <pixelflinger/pixelflinger.h> 43 44#include "context.h" 45#include "state.h" 46#include "texture.h" 47#include "matrix.h" 48 49#undef NELEM 50#define NELEM(x) (sizeof(x)/sizeof(*(x))) 51 52// ---------------------------------------------------------------------------- 53 54EGLBoolean EGLAPI eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 55 EGLint left, EGLint top, EGLint width, EGLint height); 56 57// ---------------------------------------------------------------------------- 58namespace android { 59 60// ---------------------------------------------------------------------------- 61 62const unsigned int NUM_DISPLAYS = 1; 63 64static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; 65static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; 66static pthread_key_t gEGLErrorKey = -1; 67#ifndef __ANDROID__ 68namespace gl { 69pthread_key_t gGLKey = -1; 70}; // namespace gl 71#endif 72 73template<typename T> 74static T setError(GLint error, T returnValue) { 75 if (ggl_unlikely(gEGLErrorKey == -1)) { 76 pthread_mutex_lock(&gErrorKeyMutex); 77 if (gEGLErrorKey == -1) 78 pthread_key_create(&gEGLErrorKey, NULL); 79 pthread_mutex_unlock(&gErrorKeyMutex); 80 } 81 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)error); 82 return returnValue; 83} 84 85static GLint getError() { 86 if (ggl_unlikely(gEGLErrorKey == -1)) 87 return EGL_SUCCESS; 88 GLint error = (GLint)(uintptr_t)pthread_getspecific(gEGLErrorKey); 89 if (error == 0) { 90 // The TLS key has been created by another thread, but the value for 91 // this thread has not been initialized. 92 return EGL_SUCCESS; 93 } 94 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)EGL_SUCCESS); 95 return error; 96} 97 98// ---------------------------------------------------------------------------- 99 100struct egl_display_t 101{ 102 egl_display_t() : type(0), initialized(0) { } 103 104 static egl_display_t& get_display(EGLDisplay dpy); 105 106 static EGLBoolean is_valid(EGLDisplay dpy) { 107 return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; 108 } 109 110 NativeDisplayType type; 111 std::atomic_size_t initialized; 112}; 113 114static egl_display_t gDisplays[NUM_DISPLAYS]; 115 116egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { 117 return gDisplays[uintptr_t(dpy)-1U]; 118} 119 120struct egl_context_t { 121 enum { 122 IS_CURRENT = 0x00010000, 123 NEVER_CURRENT = 0x00020000 124 }; 125 uint32_t flags; 126 EGLDisplay dpy; 127 EGLConfig config; 128 EGLSurface read; 129 EGLSurface draw; 130 131 static inline egl_context_t* context(EGLContext ctx) { 132 ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); 133 return static_cast<egl_context_t*>(gl->rasterizer.base); 134 } 135}; 136 137// ---------------------------------------------------------------------------- 138 139struct egl_surface_t 140{ 141 enum { 142 PAGE_FLIP = 0x00000001, 143 MAGIC = 0x31415265 144 }; 145 146 uint32_t magic; 147 EGLDisplay dpy; 148 EGLConfig config; 149 EGLContext ctx; 150 bool zombie; 151 152 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); 153 virtual ~egl_surface_t(); 154 bool isValid() const; 155 virtual bool initCheck() const = 0; 156 157 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; 158 virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; 159 virtual EGLBoolean connect() { return EGL_TRUE; } 160 virtual void disconnect() {} 161 virtual EGLint getWidth() const = 0; 162 virtual EGLint getHeight() const = 0; 163 164 virtual EGLint getHorizontalResolution() const; 165 virtual EGLint getVerticalResolution() const; 166 virtual EGLint getRefreshRate() const; 167 virtual EGLint getSwapBehavior() const; 168 virtual EGLBoolean swapBuffers(); 169 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 170protected: 171 GGLSurface depth; 172}; 173 174egl_surface_t::egl_surface_t(EGLDisplay dpy, 175 EGLConfig config, 176 int32_t depthFormat) 177 : magic(MAGIC), dpy(dpy), config(config), ctx(0), zombie(false) 178{ 179 depth.version = sizeof(GGLSurface); 180 depth.data = 0; 181 depth.format = depthFormat; 182} 183egl_surface_t::~egl_surface_t() 184{ 185 magic = 0; 186 free(depth.data); 187} 188bool egl_surface_t::isValid() const { 189 ALOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); 190 return magic == MAGIC; 191} 192 193EGLBoolean egl_surface_t::swapBuffers() { 194 return EGL_FALSE; 195} 196EGLint egl_surface_t::getHorizontalResolution() const { 197 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 198} 199EGLint egl_surface_t::getVerticalResolution() const { 200 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 201} 202EGLint egl_surface_t::getRefreshRate() const { 203 return (60 * EGL_DISPLAY_SCALING); 204} 205EGLint egl_surface_t::getSwapBehavior() const { 206 return EGL_BUFFER_PRESERVED; 207} 208EGLBoolean egl_surface_t::setSwapRectangle( 209 EGLint /*l*/, EGLint /*t*/, EGLint /*w*/, EGLint /*h*/) 210{ 211 return EGL_FALSE; 212} 213 214// ---------------------------------------------------------------------------- 215 216struct egl_window_surface_v2_t : public egl_surface_t 217{ 218 egl_window_surface_v2_t( 219 EGLDisplay dpy, EGLConfig config, 220 int32_t depthFormat, 221 ANativeWindow* window); 222 223 ~egl_window_surface_v2_t(); 224 225 virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails 226 virtual EGLBoolean swapBuffers(); 227 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 228 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 229 virtual EGLBoolean connect(); 230 virtual void disconnect(); 231 virtual EGLint getWidth() const { return width; } 232 virtual EGLint getHeight() const { return height; } 233 virtual EGLint getHorizontalResolution() const; 234 virtual EGLint getVerticalResolution() const; 235 virtual EGLint getRefreshRate() const; 236 virtual EGLint getSwapBehavior() const; 237 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 238 239private: 240 status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr); 241 status_t unlock(ANativeWindowBuffer* buf); 242 ANativeWindow* nativeWindow; 243 ANativeWindowBuffer* buffer; 244 ANativeWindowBuffer* previousBuffer; 245 gralloc_module_t const* module; 246 int width; 247 int height; 248 void* bits; 249 GGLFormat const* pixelFormatTable; 250 251 struct Rect { 252 inline Rect() { }; 253 inline Rect(int32_t w, int32_t h) 254 : left(0), top(0), right(w), bottom(h) { } 255 inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) 256 : left(l), top(t), right(r), bottom(b) { } 257 Rect& andSelf(const Rect& r) { 258 left = max(left, r.left); 259 top = max(top, r.top); 260 right = min(right, r.right); 261 bottom = min(bottom, r.bottom); 262 return *this; 263 } 264 bool isEmpty() const { 265 return (left>=right || top>=bottom); 266 } 267 void dump(char const* what) { 268 ALOGD("%s { %5d, %5d, w=%5d, h=%5d }", 269 what, left, top, right-left, bottom-top); 270 } 271 272 int32_t left; 273 int32_t top; 274 int32_t right; 275 int32_t bottom; 276 }; 277 278 struct Region { 279 inline Region() : count(0) { } 280 typedef Rect const* const_iterator; 281 const_iterator begin() const { return storage; } 282 const_iterator end() const { return storage+count; } 283 static Region subtract(const Rect& lhs, const Rect& rhs) { 284 Region reg; 285 Rect* storage = reg.storage; 286 if (!lhs.isEmpty()) { 287 if (lhs.top < rhs.top) { // top rect 288 storage->left = lhs.left; 289 storage->top = lhs.top; 290 storage->right = lhs.right; 291 storage->bottom = rhs.top; 292 storage++; 293 } 294 const int32_t top = max(lhs.top, rhs.top); 295 const int32_t bot = min(lhs.bottom, rhs.bottom); 296 if (top < bot) { 297 if (lhs.left < rhs.left) { // left-side rect 298 storage->left = lhs.left; 299 storage->top = top; 300 storage->right = rhs.left; 301 storage->bottom = bot; 302 storage++; 303 } 304 if (lhs.right > rhs.right) { // right-side rect 305 storage->left = rhs.right; 306 storage->top = top; 307 storage->right = lhs.right; 308 storage->bottom = bot; 309 storage++; 310 } 311 } 312 if (lhs.bottom > rhs.bottom) { // bottom rect 313 storage->left = lhs.left; 314 storage->top = rhs.bottom; 315 storage->right = lhs.right; 316 storage->bottom = lhs.bottom; 317 storage++; 318 } 319 reg.count = storage - reg.storage; 320 } 321 return reg; 322 } 323 bool isEmpty() const { 324 return count<=0; 325 } 326 private: 327 Rect storage[4]; 328 ssize_t count; 329 }; 330 331 void copyBlt( 332 ANativeWindowBuffer* dst, void* dst_vaddr, 333 ANativeWindowBuffer* src, void const* src_vaddr, 334 const Region& clip); 335 336 Rect dirtyRegion; 337 Rect oldDirtyRegion; 338}; 339 340egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, 341 EGLConfig config, 342 int32_t depthFormat, 343 ANativeWindow* window) 344 : egl_surface_t(dpy, config, depthFormat), 345 nativeWindow(window), buffer(0), previousBuffer(0), module(0), 346 bits(NULL) 347{ 348 hw_module_t const* pModule; 349 hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule); 350 module = reinterpret_cast<gralloc_module_t const*>(pModule); 351 352 pixelFormatTable = gglGetPixelFormatTable(); 353 354 // keep a reference on the window 355 nativeWindow->common.incRef(&nativeWindow->common); 356 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); 357 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); 358} 359 360egl_window_surface_v2_t::~egl_window_surface_v2_t() { 361 if (buffer) { 362 buffer->common.decRef(&buffer->common); 363 } 364 if (previousBuffer) { 365 previousBuffer->common.decRef(&previousBuffer->common); 366 } 367 nativeWindow->common.decRef(&nativeWindow->common); 368} 369 370EGLBoolean egl_window_surface_v2_t::connect() 371{ 372 // we're intending to do software rendering 373 native_window_set_usage(nativeWindow, 374 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); 375 376 // dequeue a buffer 377 int fenceFd = -1; 378 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, 379 &fenceFd) != NO_ERROR) { 380 return setError(EGL_BAD_ALLOC, EGL_FALSE); 381 } 382 383 // wait for the buffer 384 sp<Fence> fence(new Fence(fenceFd)); 385 if (fence->wait(Fence::TIMEOUT_NEVER) != NO_ERROR) { 386 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 387 return setError(EGL_BAD_ALLOC, EGL_FALSE); 388 } 389 390 // allocate a corresponding depth-buffer 391 width = buffer->width; 392 height = buffer->height; 393 if (depth.format) { 394 depth.width = width; 395 depth.height = height; 396 depth.stride = depth.width; // use the width here 397 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 398 static_cast<uint64_t>(depth.height) * 2; 399 if (depth.stride < 0 || depth.height > INT_MAX || 400 allocSize > UINT32_MAX) { 401 return setError(EGL_BAD_ALLOC, EGL_FALSE); 402 } 403 depth.data = (GGLubyte*)malloc(allocSize); 404 if (depth.data == 0) { 405 return setError(EGL_BAD_ALLOC, EGL_FALSE); 406 } 407 } 408 409 // keep a reference on the buffer 410 buffer->common.incRef(&buffer->common); 411 412 // pin the buffer down 413 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 414 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 415 ALOGE("connect() failed to lock buffer %p (%ux%u)", 416 buffer, buffer->width, buffer->height); 417 return setError(EGL_BAD_ACCESS, EGL_FALSE); 418 // FIXME: we should make sure we're not accessing the buffer anymore 419 } 420 return EGL_TRUE; 421} 422 423void egl_window_surface_v2_t::disconnect() 424{ 425 if (buffer && bits) { 426 bits = NULL; 427 unlock(buffer); 428 } 429 if (buffer) { 430 nativeWindow->cancelBuffer(nativeWindow, buffer, -1); 431 buffer->common.decRef(&buffer->common); 432 buffer = 0; 433 } 434 if (previousBuffer) { 435 previousBuffer->common.decRef(&previousBuffer->common); 436 previousBuffer = 0; 437 } 438} 439 440status_t egl_window_surface_v2_t::lock( 441 ANativeWindowBuffer* buf, int usage, void** vaddr) 442{ 443 int err; 444 445 err = module->lock(module, buf->handle, 446 usage, 0, 0, buf->width, buf->height, vaddr); 447 448 return err; 449} 450 451status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf) 452{ 453 if (!buf) return BAD_VALUE; 454 int err = NO_ERROR; 455 456 err = module->unlock(module, buf->handle); 457 458 return err; 459} 460 461void egl_window_surface_v2_t::copyBlt( 462 ANativeWindowBuffer* dst, void* dst_vaddr, 463 ANativeWindowBuffer* src, void const* src_vaddr, 464 const Region& clip) 465{ 466 // NOTE: dst and src must be the same format 467 468 Region::const_iterator cur = clip.begin(); 469 Region::const_iterator end = clip.end(); 470 471 const size_t bpp = pixelFormatTable[src->format].size; 472 const size_t dbpr = dst->stride * bpp; 473 const size_t sbpr = src->stride * bpp; 474 475 uint8_t const * const src_bits = (uint8_t const *)src_vaddr; 476 uint8_t * const dst_bits = (uint8_t *)dst_vaddr; 477 478 while (cur != end) { 479 const Rect& r(*cur++); 480 ssize_t w = r.right - r.left; 481 ssize_t h = r.bottom - r.top; 482 if (w <= 0 || h<=0) continue; 483 size_t size = w * bpp; 484 uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; 485 uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; 486 if (dbpr==sbpr && size==sbpr) { 487 size *= h; 488 h = 1; 489 } 490 do { 491 memcpy(d, s, size); 492 d += dbpr; 493 s += sbpr; 494 } while (--h > 0); 495 } 496} 497 498EGLBoolean egl_window_surface_v2_t::swapBuffers() 499{ 500 if (!buffer) { 501 return setError(EGL_BAD_ACCESS, EGL_FALSE); 502 } 503 504 /* 505 * Handle eglSetSwapRectangleANDROID() 506 * We copyback from the front buffer 507 */ 508 if (!dirtyRegion.isEmpty()) { 509 dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); 510 if (previousBuffer) { 511 // This was const Region copyBack, but that causes an 512 // internal compile error on simulator builds 513 /*const*/ Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); 514 if (!copyBack.isEmpty()) { 515 void* prevBits; 516 if (lock(previousBuffer, 517 GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { 518 // copy from previousBuffer to buffer 519 copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); 520 unlock(previousBuffer); 521 } 522 } 523 } 524 oldDirtyRegion = dirtyRegion; 525 } 526 527 if (previousBuffer) { 528 previousBuffer->common.decRef(&previousBuffer->common); 529 previousBuffer = 0; 530 } 531 532 unlock(buffer); 533 previousBuffer = buffer; 534 nativeWindow->queueBuffer(nativeWindow, buffer, -1); 535 buffer = 0; 536 537 // dequeue a new buffer 538 int fenceFd = -1; 539 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &fenceFd) == NO_ERROR) { 540 sp<Fence> fence(new Fence(fenceFd)); 541 if (fence->wait(Fence::TIMEOUT_NEVER)) { 542 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 543 return setError(EGL_BAD_ALLOC, EGL_FALSE); 544 } 545 546 // reallocate the depth-buffer if needed 547 if ((width != buffer->width) || (height != buffer->height)) { 548 // TODO: we probably should reset the swap rect here 549 // if the window size has changed 550 width = buffer->width; 551 height = buffer->height; 552 if (depth.data) { 553 free(depth.data); 554 depth.width = width; 555 depth.height = height; 556 depth.stride = buffer->stride; 557 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 558 static_cast<uint64_t>(depth.height) * 2; 559 if (depth.stride < 0 || depth.height > INT_MAX || 560 allocSize > UINT32_MAX) { 561 setError(EGL_BAD_ALLOC, EGL_FALSE); 562 return EGL_FALSE; 563 } 564 depth.data = (GGLubyte*)malloc(allocSize); 565 if (depth.data == 0) { 566 setError(EGL_BAD_ALLOC, EGL_FALSE); 567 return EGL_FALSE; 568 } 569 } 570 } 571 572 // keep a reference on the buffer 573 buffer->common.incRef(&buffer->common); 574 575 // finally pin the buffer down 576 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 577 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 578 ALOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", 579 buffer, buffer->width, buffer->height); 580 return setError(EGL_BAD_ACCESS, EGL_FALSE); 581 // FIXME: we should make sure we're not accessing the buffer anymore 582 } 583 } else { 584 return setError(EGL_BAD_CURRENT_SURFACE, EGL_FALSE); 585 } 586 587 return EGL_TRUE; 588} 589 590EGLBoolean egl_window_surface_v2_t::setSwapRectangle( 591 EGLint l, EGLint t, EGLint w, EGLint h) 592{ 593 dirtyRegion = Rect(l, t, l+w, t+h); 594 return EGL_TRUE; 595} 596 597EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) 598{ 599 GGLSurface buffer; 600 buffer.version = sizeof(GGLSurface); 601 buffer.width = this->buffer->width; 602 buffer.height = this->buffer->height; 603 buffer.stride = this->buffer->stride; 604 buffer.data = (GGLubyte*)bits; 605 buffer.format = this->buffer->format; 606 gl->rasterizer.procs.colorBuffer(gl, &buffer); 607 if (depth.data != gl->rasterizer.state.buffers.depth.data) 608 gl->rasterizer.procs.depthBuffer(gl, &depth); 609 610 return EGL_TRUE; 611} 612EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) 613{ 614 GGLSurface buffer; 615 buffer.version = sizeof(GGLSurface); 616 buffer.width = this->buffer->width; 617 buffer.height = this->buffer->height; 618 buffer.stride = this->buffer->stride; 619 buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! 620 buffer.format = this->buffer->format; 621 gl->rasterizer.procs.readBuffer(gl, &buffer); 622 return EGL_TRUE; 623} 624EGLint egl_window_surface_v2_t::getHorizontalResolution() const { 625 return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 626} 627EGLint egl_window_surface_v2_t::getVerticalResolution() const { 628 return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 629} 630EGLint egl_window_surface_v2_t::getRefreshRate() const { 631 return (60 * EGL_DISPLAY_SCALING); // FIXME 632} 633EGLint egl_window_surface_v2_t::getSwapBehavior() const 634{ 635 /* 636 * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves 637 * the content of the swapped buffer. 638 * 639 * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. 640 * 641 * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED 642 * only applies to the area specified by eglSetSwapRectangleANDROID(), that 643 * is, everything outside of this area is preserved. 644 * 645 * This implementation of EGL assumes the later case. 646 * 647 */ 648 649 return EGL_BUFFER_DESTROYED; 650} 651 652// ---------------------------------------------------------------------------- 653 654struct egl_pixmap_surface_t : public egl_surface_t 655{ 656 egl_pixmap_surface_t( 657 EGLDisplay dpy, EGLConfig config, 658 int32_t depthFormat, 659 egl_native_pixmap_t const * pixmap); 660 661 virtual ~egl_pixmap_surface_t() { } 662 663 virtual bool initCheck() const { return !depth.format || depth.data!=0; } 664 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 665 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 666 virtual EGLint getWidth() const { return nativePixmap.width; } 667 virtual EGLint getHeight() const { return nativePixmap.height; } 668private: 669 egl_native_pixmap_t nativePixmap; 670}; 671 672egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, 673 EGLConfig config, 674 int32_t depthFormat, 675 egl_native_pixmap_t const * pixmap) 676 : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) 677{ 678 if (depthFormat) { 679 depth.width = pixmap->width; 680 depth.height = pixmap->height; 681 depth.stride = depth.width; // use the width here 682 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 683 static_cast<uint64_t>(depth.height) * 2; 684 if (depth.stride < 0 || depth.height > INT_MAX || 685 allocSize > UINT32_MAX) { 686 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 687 return; 688 } 689 depth.data = (GGLubyte*)malloc(allocSize); 690 if (depth.data == 0) { 691 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 692 } 693 } 694} 695EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) 696{ 697 GGLSurface buffer; 698 buffer.version = sizeof(GGLSurface); 699 buffer.width = nativePixmap.width; 700 buffer.height = nativePixmap.height; 701 buffer.stride = nativePixmap.stride; 702 buffer.data = nativePixmap.data; 703 buffer.format = nativePixmap.format; 704 705 gl->rasterizer.procs.colorBuffer(gl, &buffer); 706 if (depth.data != gl->rasterizer.state.buffers.depth.data) 707 gl->rasterizer.procs.depthBuffer(gl, &depth); 708 return EGL_TRUE; 709} 710EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) 711{ 712 GGLSurface buffer; 713 buffer.version = sizeof(GGLSurface); 714 buffer.width = nativePixmap.width; 715 buffer.height = nativePixmap.height; 716 buffer.stride = nativePixmap.stride; 717 buffer.data = nativePixmap.data; 718 buffer.format = nativePixmap.format; 719 gl->rasterizer.procs.readBuffer(gl, &buffer); 720 return EGL_TRUE; 721} 722 723// ---------------------------------------------------------------------------- 724 725struct egl_pbuffer_surface_t : public egl_surface_t 726{ 727 egl_pbuffer_surface_t( 728 EGLDisplay dpy, EGLConfig config, int32_t depthFormat, 729 int32_t w, int32_t h, int32_t f); 730 731 virtual ~egl_pbuffer_surface_t(); 732 733 virtual bool initCheck() const { return pbuffer.data != 0; } 734 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 735 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 736 virtual EGLint getWidth() const { return pbuffer.width; } 737 virtual EGLint getHeight() const { return pbuffer.height; } 738private: 739 GGLSurface pbuffer; 740}; 741 742egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, 743 EGLConfig config, int32_t depthFormat, 744 int32_t w, int32_t h, int32_t f) 745 : egl_surface_t(dpy, config, depthFormat) 746{ 747 size_t size = w*h; 748 switch (f) { 749 case GGL_PIXEL_FORMAT_A_8: size *= 1; break; 750 case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; 751 case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; 752 case GGL_PIXEL_FORMAT_RGBX_8888: size *= 4; break; 753 default: 754 ALOGE("incompatible pixel format for pbuffer (format=%d)", f); 755 pbuffer.data = 0; 756 break; 757 } 758 pbuffer.version = sizeof(GGLSurface); 759 pbuffer.width = w; 760 pbuffer.height = h; 761 pbuffer.stride = w; 762 pbuffer.data = (GGLubyte*)malloc(size); 763 pbuffer.format = f; 764 765 if (depthFormat) { 766 depth.width = pbuffer.width; 767 depth.height = pbuffer.height; 768 depth.stride = depth.width; // use the width here 769 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 770 static_cast<uint64_t>(depth.height) * 2; 771 if (depth.stride < 0 || depth.height > INT_MAX || 772 allocSize > UINT32_MAX) { 773 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 774 return; 775 } 776 depth.data = (GGLubyte*)malloc(allocSize); 777 if (depth.data == 0) { 778 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 779 return; 780 } 781 } 782} 783egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { 784 free(pbuffer.data); 785} 786EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) 787{ 788 gl->rasterizer.procs.colorBuffer(gl, &pbuffer); 789 if (depth.data != gl->rasterizer.state.buffers.depth.data) 790 gl->rasterizer.procs.depthBuffer(gl, &depth); 791 return EGL_TRUE; 792} 793EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) 794{ 795 gl->rasterizer.procs.readBuffer(gl, &pbuffer); 796 return EGL_TRUE; 797} 798 799// ---------------------------------------------------------------------------- 800 801struct config_pair_t { 802 GLint key; 803 GLint value; 804}; 805 806struct configs_t { 807 const config_pair_t* array; 808 int size; 809}; 810 811struct config_management_t { 812 GLint key; 813 bool (*match)(GLint reqValue, GLint confValue); 814 static bool atLeast(GLint reqValue, GLint confValue) { 815 return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); 816 } 817 static bool exact(GLint reqValue, GLint confValue) { 818 return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); 819 } 820 static bool mask(GLint reqValue, GLint confValue) { 821 return (confValue & reqValue) == reqValue; 822 } 823 static bool ignore(GLint /*reqValue*/, GLint /*confValue*/) { 824 return true; 825 } 826}; 827 828// ---------------------------------------------------------------------------- 829 830#define VERSION_MAJOR 1 831#define VERSION_MINOR 2 832static char const * const gVendorString = "Google Inc."; 833static char const * const gVersionString = "1.2 Android Driver 1.2.0"; 834static char const * const gClientApiString = "OpenGL_ES"; 835static char const * const gExtensionsString = 836 "EGL_KHR_fence_sync " 837 "EGL_KHR_image_base " 838 // "KHR_image_pixmap " 839 "EGL_ANDROID_image_native_buffer " 840 "EGL_ANDROID_swap_rectangle " 841 ; 842 843// ---------------------------------------------------------------------------- 844 845struct extention_map_t { 846 const char * const name; 847 __eglMustCastToProperFunctionPointerType address; 848}; 849 850static const extention_map_t gExtentionMap[] = { 851 { "glDrawTexsOES", 852 (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, 853 { "glDrawTexiOES", 854 (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, 855 { "glDrawTexfOES", 856 (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, 857 { "glDrawTexxOES", 858 (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, 859 { "glDrawTexsvOES", 860 (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, 861 { "glDrawTexivOES", 862 (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, 863 { "glDrawTexfvOES", 864 (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, 865 { "glDrawTexxvOES", 866 (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, 867 { "glQueryMatrixxOES", 868 (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, 869 { "glEGLImageTargetTexture2DOES", 870 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, 871 { "glEGLImageTargetRenderbufferStorageOES", 872 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, 873 { "glClipPlanef", 874 (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, 875 { "glClipPlanex", 876 (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, 877 { "glBindBuffer", 878 (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, 879 { "glBufferData", 880 (__eglMustCastToProperFunctionPointerType)&glBufferData }, 881 { "glBufferSubData", 882 (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, 883 { "glDeleteBuffers", 884 (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, 885 { "glGenBuffers", 886 (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, 887 { "eglCreateImageKHR", 888 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 889 { "eglDestroyImageKHR", 890 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 891 { "eglCreateSyncKHR", 892 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR }, 893 { "eglDestroySyncKHR", 894 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR }, 895 { "eglClientWaitSyncKHR", 896 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR }, 897 { "eglGetSyncAttribKHR", 898 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR }, 899 { "eglSetSwapRectangleANDROID", 900 (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 901}; 902 903/* 904 * In the lists below, attributes names MUST be sorted. 905 * Additionally, all configs must be sorted according to 906 * the EGL specification. 907 */ 908 909static config_pair_t const config_base_attribute_list[] = { 910 { EGL_STENCIL_SIZE, 0 }, 911 { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, 912 { EGL_LEVEL, 0 }, 913 { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, 914 { EGL_MAX_PBUFFER_PIXELS, 915 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, 916 { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, 917 { EGL_NATIVE_RENDERABLE, EGL_TRUE }, 918 { EGL_NATIVE_VISUAL_ID, 0 }, 919 { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, 920 { EGL_SAMPLES, 0 }, 921 { EGL_SAMPLE_BUFFERS, 0 }, 922 { EGL_TRANSPARENT_TYPE, EGL_NONE }, 923 { EGL_TRANSPARENT_BLUE_VALUE, 0 }, 924 { EGL_TRANSPARENT_GREEN_VALUE, 0 }, 925 { EGL_TRANSPARENT_RED_VALUE, 0 }, 926 { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, 927 { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, 928 { EGL_MIN_SWAP_INTERVAL, 1 }, 929 { EGL_MAX_SWAP_INTERVAL, 1 }, 930 { EGL_LUMINANCE_SIZE, 0 }, 931 { EGL_ALPHA_MASK_SIZE, 0 }, 932 { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, 933 { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, 934 { EGL_CONFORMANT, 0 } 935}; 936 937// These configs can override the base attribute list 938// NOTE: when adding a config here, don't forget to update eglCreate*Surface() 939 940// 565 configs 941static config_pair_t const config_0_attribute_list[] = { 942 { EGL_BUFFER_SIZE, 16 }, 943 { EGL_ALPHA_SIZE, 0 }, 944 { EGL_BLUE_SIZE, 5 }, 945 { EGL_GREEN_SIZE, 6 }, 946 { EGL_RED_SIZE, 5 }, 947 { EGL_DEPTH_SIZE, 0 }, 948 { EGL_CONFIG_ID, 0 }, 949 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 950 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 951}; 952 953static config_pair_t const config_1_attribute_list[] = { 954 { EGL_BUFFER_SIZE, 16 }, 955 { EGL_ALPHA_SIZE, 0 }, 956 { EGL_BLUE_SIZE, 5 }, 957 { EGL_GREEN_SIZE, 6 }, 958 { EGL_RED_SIZE, 5 }, 959 { EGL_DEPTH_SIZE, 16 }, 960 { EGL_CONFIG_ID, 1 }, 961 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 962 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 963}; 964 965// RGB 888 configs 966static config_pair_t const config_2_attribute_list[] = { 967 { EGL_BUFFER_SIZE, 32 }, 968 { EGL_ALPHA_SIZE, 0 }, 969 { EGL_BLUE_SIZE, 8 }, 970 { EGL_GREEN_SIZE, 8 }, 971 { EGL_RED_SIZE, 8 }, 972 { EGL_DEPTH_SIZE, 0 }, 973 { EGL_CONFIG_ID, 6 }, 974 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 975 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 976}; 977 978static config_pair_t const config_3_attribute_list[] = { 979 { EGL_BUFFER_SIZE, 32 }, 980 { EGL_ALPHA_SIZE, 0 }, 981 { EGL_BLUE_SIZE, 8 }, 982 { EGL_GREEN_SIZE, 8 }, 983 { EGL_RED_SIZE, 8 }, 984 { EGL_DEPTH_SIZE, 16 }, 985 { EGL_CONFIG_ID, 7 }, 986 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 987 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 988}; 989 990// 8888 configs 991static config_pair_t const config_4_attribute_list[] = { 992 { EGL_BUFFER_SIZE, 32 }, 993 { EGL_ALPHA_SIZE, 8 }, 994 { EGL_BLUE_SIZE, 8 }, 995 { EGL_GREEN_SIZE, 8 }, 996 { EGL_RED_SIZE, 8 }, 997 { EGL_DEPTH_SIZE, 0 }, 998 { EGL_CONFIG_ID, 2 }, 999 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1000 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1001}; 1002 1003static config_pair_t const config_5_attribute_list[] = { 1004 { EGL_BUFFER_SIZE, 32 }, 1005 { EGL_ALPHA_SIZE, 8 }, 1006 { EGL_BLUE_SIZE, 8 }, 1007 { EGL_GREEN_SIZE, 8 }, 1008 { EGL_RED_SIZE, 8 }, 1009 { EGL_DEPTH_SIZE, 16 }, 1010 { EGL_CONFIG_ID, 3 }, 1011 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1012 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1013}; 1014 1015// A8 configs 1016static config_pair_t const config_6_attribute_list[] = { 1017 { EGL_BUFFER_SIZE, 8 }, 1018 { EGL_ALPHA_SIZE, 8 }, 1019 { EGL_BLUE_SIZE, 0 }, 1020 { EGL_GREEN_SIZE, 0 }, 1021 { EGL_RED_SIZE, 0 }, 1022 { EGL_DEPTH_SIZE, 0 }, 1023 { EGL_CONFIG_ID, 4 }, 1024 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1025 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1026}; 1027 1028static config_pair_t const config_7_attribute_list[] = { 1029 { EGL_BUFFER_SIZE, 8 }, 1030 { EGL_ALPHA_SIZE, 8 }, 1031 { EGL_BLUE_SIZE, 0 }, 1032 { EGL_GREEN_SIZE, 0 }, 1033 { EGL_RED_SIZE, 0 }, 1034 { EGL_DEPTH_SIZE, 16 }, 1035 { EGL_CONFIG_ID, 5 }, 1036 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1037 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1038}; 1039 1040static configs_t const gConfigs[] = { 1041 { config_0_attribute_list, NELEM(config_0_attribute_list) }, 1042 { config_1_attribute_list, NELEM(config_1_attribute_list) }, 1043 { config_2_attribute_list, NELEM(config_2_attribute_list) }, 1044 { config_3_attribute_list, NELEM(config_3_attribute_list) }, 1045 { config_4_attribute_list, NELEM(config_4_attribute_list) }, 1046 { config_5_attribute_list, NELEM(config_5_attribute_list) }, 1047 { config_6_attribute_list, NELEM(config_6_attribute_list) }, 1048 { config_7_attribute_list, NELEM(config_7_attribute_list) }, 1049}; 1050 1051static config_management_t const gConfigManagement[] = { 1052 { EGL_BUFFER_SIZE, config_management_t::atLeast }, 1053 { EGL_ALPHA_SIZE, config_management_t::atLeast }, 1054 { EGL_BLUE_SIZE, config_management_t::atLeast }, 1055 { EGL_GREEN_SIZE, config_management_t::atLeast }, 1056 { EGL_RED_SIZE, config_management_t::atLeast }, 1057 { EGL_DEPTH_SIZE, config_management_t::atLeast }, 1058 { EGL_STENCIL_SIZE, config_management_t::atLeast }, 1059 { EGL_CONFIG_CAVEAT, config_management_t::exact }, 1060 { EGL_CONFIG_ID, config_management_t::exact }, 1061 { EGL_LEVEL, config_management_t::exact }, 1062 { EGL_MAX_PBUFFER_HEIGHT, config_management_t::ignore }, 1063 { EGL_MAX_PBUFFER_PIXELS, config_management_t::ignore }, 1064 { EGL_MAX_PBUFFER_WIDTH, config_management_t::ignore }, 1065 { EGL_NATIVE_RENDERABLE, config_management_t::exact }, 1066 { EGL_NATIVE_VISUAL_ID, config_management_t::ignore }, 1067 { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, 1068 { EGL_SAMPLES, config_management_t::exact }, 1069 { EGL_SAMPLE_BUFFERS, config_management_t::exact }, 1070 { EGL_SURFACE_TYPE, config_management_t::mask }, 1071 { EGL_TRANSPARENT_TYPE, config_management_t::exact }, 1072 { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, 1073 { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, 1074 { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, 1075 { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, 1076 { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, 1077 { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, 1078 { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, 1079 { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, 1080 { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, 1081 { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, 1082 { EGL_RENDERABLE_TYPE, config_management_t::mask }, 1083 { EGL_CONFORMANT, config_management_t::mask } 1084}; 1085 1086 1087static config_pair_t const config_defaults[] = { 1088 // attributes that are not specified are simply ignored, if a particular 1089 // one needs not be ignored, it must be specified here, eg: 1090 // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, 1091}; 1092 1093// ---------------------------------------------------------------------------- 1094 1095static status_t getConfigFormatInfo(EGLint configID, 1096 int32_t& pixelFormat, int32_t& depthFormat) 1097{ 1098 switch(configID) { 1099 case 0: 1100 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1101 depthFormat = 0; 1102 break; 1103 case 1: 1104 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1105 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1106 break; 1107 case 2: 1108 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1109 depthFormat = 0; 1110 break; 1111 case 3: 1112 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1113 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1114 break; 1115 case 4: 1116 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1117 depthFormat = 0; 1118 break; 1119 case 5: 1120 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1121 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1122 break; 1123 case 6: 1124 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1125 depthFormat = 0; 1126 break; 1127 case 7: 1128 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1129 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1130 break; 1131 default: 1132 return NAME_NOT_FOUND; 1133 } 1134 return NO_ERROR; 1135} 1136 1137// ---------------------------------------------------------------------------- 1138 1139template<typename T> 1140static int binarySearch(T const sortedArray[], int first, int last, EGLint key) 1141{ 1142 while (first <= last) { 1143 int mid = (first + last) / 2; 1144 if (key > sortedArray[mid].key) { 1145 first = mid + 1; 1146 } else if (key < sortedArray[mid].key) { 1147 last = mid - 1; 1148 } else { 1149 return mid; 1150 } 1151 } 1152 return -1; 1153} 1154 1155static int isAttributeMatching(int i, EGLint attr, EGLint val) 1156{ 1157 // look for the attribute in all of our configs 1158 config_pair_t const* configFound = gConfigs[i].array; 1159 int index = binarySearch<config_pair_t>( 1160 gConfigs[i].array, 1161 0, gConfigs[i].size-1, 1162 attr); 1163 if (index < 0) { 1164 configFound = config_base_attribute_list; 1165 index = binarySearch<config_pair_t>( 1166 config_base_attribute_list, 1167 0, NELEM(config_base_attribute_list)-1, 1168 attr); 1169 } 1170 if (index >= 0) { 1171 // attribute found, check if this config could match 1172 int cfgMgtIndex = binarySearch<config_management_t>( 1173 gConfigManagement, 1174 0, NELEM(gConfigManagement)-1, 1175 attr); 1176 if (cfgMgtIndex >= 0) { 1177 bool match = gConfigManagement[cfgMgtIndex].match( 1178 val, configFound[index].value); 1179 if (match) { 1180 // this config matches 1181 return 1; 1182 } 1183 } else { 1184 // attribute not found. this should NEVER happen. 1185 } 1186 } else { 1187 // error, this attribute doesn't exist 1188 } 1189 return 0; 1190} 1191 1192static int makeCurrent(ogles_context_t* gl) 1193{ 1194 ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); 1195 if (gl) { 1196 egl_context_t* c = egl_context_t::context(gl); 1197 if (c->flags & egl_context_t::IS_CURRENT) { 1198 if (current != gl) { 1199 // it is an error to set a context current, if it's already 1200 // current to another thread 1201 return -1; 1202 } 1203 } else { 1204 if (current) { 1205 // mark the current context as not current, and flush 1206 glFlush(); 1207 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1208 } 1209 } 1210 if (!(c->flags & egl_context_t::IS_CURRENT)) { 1211 // The context is not current, make it current! 1212 setGlThreadSpecific(gl); 1213 c->flags |= egl_context_t::IS_CURRENT; 1214 } 1215 } else { 1216 if (current) { 1217 // mark the current context as not current, and flush 1218 glFlush(); 1219 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1220 } 1221 // this thread has no context attached to it 1222 setGlThreadSpecific(0); 1223 } 1224 return 0; 1225} 1226 1227static EGLBoolean getConfigAttrib(EGLDisplay /*dpy*/, EGLConfig config, 1228 EGLint attribute, EGLint *value) 1229{ 1230 size_t numConfigs = NELEM(gConfigs); 1231 int index = (int)(uintptr_t)config; 1232 if (uint32_t(index) >= numConfigs) 1233 return setError(EGL_BAD_CONFIG, EGL_FALSE); 1234 1235 int attrIndex; 1236 attrIndex = binarySearch<config_pair_t>( 1237 gConfigs[index].array, 1238 0, gConfigs[index].size-1, 1239 attribute); 1240 if (attrIndex>=0) { 1241 *value = gConfigs[index].array[attrIndex].value; 1242 return EGL_TRUE; 1243 } 1244 1245 attrIndex = binarySearch<config_pair_t>( 1246 config_base_attribute_list, 1247 0, NELEM(config_base_attribute_list)-1, 1248 attribute); 1249 if (attrIndex>=0) { 1250 *value = config_base_attribute_list[attrIndex].value; 1251 return EGL_TRUE; 1252 } 1253 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1254} 1255 1256static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, 1257 NativeWindowType window, const EGLint* /*attrib_list*/) 1258{ 1259 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1260 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1261 if (window == 0) 1262 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1263 1264 EGLint surfaceType; 1265 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1266 return EGL_FALSE; 1267 1268 if (!(surfaceType & EGL_WINDOW_BIT)) 1269 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1270 1271 if (static_cast<ANativeWindow*>(window)->common.magic != 1272 ANDROID_NATIVE_WINDOW_MAGIC) { 1273 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); 1274 } 1275 1276 EGLint configID; 1277 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1278 return EGL_FALSE; 1279 1280 int32_t depthFormat; 1281 int32_t pixelFormat; 1282 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1283 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1284 } 1285 1286 // FIXME: we don't have access to the pixelFormat here just yet. 1287 // (it's possible that the surface is not fully initialized) 1288 // maybe this should be done after the page-flip 1289 //if (EGLint(info.format) != pixelFormat) 1290 // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1291 1292 egl_surface_t* surface; 1293 surface = new egl_window_surface_v2_t(dpy, config, depthFormat, 1294 static_cast<ANativeWindow*>(window)); 1295 1296 if (!surface->initCheck()) { 1297 // there was a problem in the ctor, the error 1298 // flag has been set. 1299 delete surface; 1300 surface = 0; 1301 } 1302 return surface; 1303} 1304 1305static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, 1306 NativePixmapType pixmap, const EGLint* /*attrib_list*/) 1307{ 1308 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1309 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1310 if (pixmap == 0) 1311 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1312 1313 EGLint surfaceType; 1314 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1315 return EGL_FALSE; 1316 1317 if (!(surfaceType & EGL_PIXMAP_BIT)) 1318 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1319 1320 if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 1321 sizeof(egl_native_pixmap_t)) { 1322 return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); 1323 } 1324 1325 EGLint configID; 1326 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1327 return EGL_FALSE; 1328 1329 int32_t depthFormat; 1330 int32_t pixelFormat; 1331 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1332 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1333 } 1334 1335 if (pixmap->format != pixelFormat) 1336 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1337 1338 egl_surface_t* surface = 1339 new egl_pixmap_surface_t(dpy, config, depthFormat, 1340 static_cast<egl_native_pixmap_t*>(pixmap)); 1341 1342 if (!surface->initCheck()) { 1343 // there was a problem in the ctor, the error 1344 // flag has been set. 1345 delete surface; 1346 surface = 0; 1347 } 1348 return surface; 1349} 1350 1351static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, 1352 const EGLint *attrib_list) 1353{ 1354 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1355 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1356 1357 EGLint surfaceType; 1358 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1359 return EGL_FALSE; 1360 1361 if (!(surfaceType & EGL_PBUFFER_BIT)) 1362 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1363 1364 EGLint configID; 1365 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1366 return EGL_FALSE; 1367 1368 int32_t depthFormat; 1369 int32_t pixelFormat; 1370 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1371 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1372 } 1373 1374 int32_t w = 0; 1375 int32_t h = 0; 1376 while (attrib_list[0] != EGL_NONE) { 1377 if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; 1378 if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; 1379 attrib_list+=2; 1380 } 1381 1382 egl_surface_t* surface = 1383 new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); 1384 1385 if (!surface->initCheck()) { 1386 // there was a problem in the ctor, the error 1387 // flag has been set. 1388 delete surface; 1389 surface = 0; 1390 } 1391 return surface; 1392} 1393 1394// ---------------------------------------------------------------------------- 1395}; // namespace android 1396// ---------------------------------------------------------------------------- 1397 1398using namespace android; 1399 1400// ---------------------------------------------------------------------------- 1401// Initialization 1402// ---------------------------------------------------------------------------- 1403 1404EGLDisplay eglGetDisplay(NativeDisplayType display) 1405{ 1406#ifndef __ANDROID__ 1407 // this just needs to be done once 1408 if (gGLKey == -1) { 1409 pthread_mutex_lock(&gInitMutex); 1410 if (gGLKey == -1) 1411 pthread_key_create(&gGLKey, NULL); 1412 pthread_mutex_unlock(&gInitMutex); 1413 } 1414#endif 1415 if (display == EGL_DEFAULT_DISPLAY) { 1416 EGLDisplay dpy = (EGLDisplay)1; 1417 egl_display_t& d = egl_display_t::get_display(dpy); 1418 d.type = display; 1419 return dpy; 1420 } 1421 return EGL_NO_DISPLAY; 1422} 1423 1424EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) 1425{ 1426 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1427 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1428 1429 EGLBoolean res = EGL_TRUE; 1430 egl_display_t& d = egl_display_t::get_display(dpy); 1431 1432 if (d.initialized.fetch_add(1, std::memory_order_acquire) == 0) { 1433 // initialize stuff here if needed 1434 //pthread_mutex_lock(&gInitMutex); 1435 //pthread_mutex_unlock(&gInitMutex); 1436 } 1437 1438 if (res == EGL_TRUE) { 1439 if (major != NULL) *major = VERSION_MAJOR; 1440 if (minor != NULL) *minor = VERSION_MINOR; 1441 } 1442 return res; 1443} 1444 1445EGLBoolean eglTerminate(EGLDisplay dpy) 1446{ 1447 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1448 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1449 1450 EGLBoolean res = EGL_TRUE; 1451 egl_display_t& d = egl_display_t::get_display(dpy); 1452 if (d.initialized.fetch_sub(1, std::memory_order_release) == 1) { 1453 std::atomic_thread_fence(std::memory_order_acquire); 1454 // TODO: destroy all resources (surfaces, contexts, etc...) 1455 //pthread_mutex_lock(&gInitMutex); 1456 //pthread_mutex_unlock(&gInitMutex); 1457 } 1458 return res; 1459} 1460 1461// ---------------------------------------------------------------------------- 1462// configuration 1463// ---------------------------------------------------------------------------- 1464 1465EGLBoolean eglGetConfigs( EGLDisplay dpy, 1466 EGLConfig *configs, 1467 EGLint config_size, EGLint *num_config) 1468{ 1469 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1470 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1471 1472 GLint numConfigs = NELEM(gConfigs); 1473 if (!configs) { 1474 *num_config = numConfigs; 1475 return EGL_TRUE; 1476 } 1477 GLint i; 1478 for (i=0 ; i<numConfigs && i<config_size ; i++) { 1479 *configs++ = (EGLConfig)(uintptr_t)i; 1480 } 1481 *num_config = i; 1482 return EGL_TRUE; 1483} 1484 1485EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, 1486 EGLConfig *configs, EGLint config_size, 1487 EGLint *num_config) 1488{ 1489 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1490 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1491 1492 if (ggl_unlikely(num_config==0)) { 1493 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1494 } 1495 1496 if (ggl_unlikely(attrib_list==0)) { 1497 /* 1498 * A NULL attrib_list should be treated as though it was an empty 1499 * one (terminated with EGL_NONE) as defined in 1500 * section 3.4.1 "Querying Configurations" in the EGL specification. 1501 */ 1502 static const EGLint dummy = EGL_NONE; 1503 attrib_list = &dummy; 1504 } 1505 1506 int numAttributes = 0; 1507 int numConfigs = NELEM(gConfigs); 1508 uint32_t possibleMatch = (1<<numConfigs)-1; 1509 while(possibleMatch && *attrib_list != EGL_NONE) { 1510 numAttributes++; 1511 EGLint attr = *attrib_list++; 1512 EGLint val = *attrib_list++; 1513 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1514 if (!(possibleMatch & (1<<i))) 1515 continue; 1516 if (isAttributeMatching(i, attr, val) == 0) { 1517 possibleMatch &= ~(1<<i); 1518 } 1519 } 1520 } 1521 1522 // now, handle the attributes which have a useful default value 1523 for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) { 1524 // see if this attribute was specified, if not, apply its 1525 // default value 1526 if (binarySearch<config_pair_t>( 1527 (config_pair_t const*)attrib_list, 1528 0, numAttributes-1, 1529 config_defaults[j].key) < 0) 1530 { 1531 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1532 if (!(possibleMatch & (1<<i))) 1533 continue; 1534 if (isAttributeMatching(i, 1535 config_defaults[j].key, 1536 config_defaults[j].value) == 0) 1537 { 1538 possibleMatch &= ~(1<<i); 1539 } 1540 } 1541 } 1542 } 1543 1544 // return the configurations found 1545 int n=0; 1546 if (possibleMatch) { 1547 if (configs) { 1548 for (int i=0 ; config_size && i<numConfigs ; i++) { 1549 if (possibleMatch & (1<<i)) { 1550 *configs++ = (EGLConfig)(uintptr_t)i; 1551 config_size--; 1552 n++; 1553 } 1554 } 1555 } else { 1556 for (int i=0 ; i<numConfigs ; i++) { 1557 if (possibleMatch & (1<<i)) { 1558 n++; 1559 } 1560 } 1561 } 1562 } 1563 *num_config = n; 1564 return EGL_TRUE; 1565} 1566 1567EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, 1568 EGLint attribute, EGLint *value) 1569{ 1570 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1571 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1572 1573 return getConfigAttrib(dpy, config, attribute, value); 1574} 1575 1576// ---------------------------------------------------------------------------- 1577// surfaces 1578// ---------------------------------------------------------------------------- 1579 1580EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, 1581 NativeWindowType window, 1582 const EGLint *attrib_list) 1583{ 1584 return createWindowSurface(dpy, config, window, attrib_list); 1585} 1586 1587EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, 1588 NativePixmapType pixmap, 1589 const EGLint *attrib_list) 1590{ 1591 return createPixmapSurface(dpy, config, pixmap, attrib_list); 1592} 1593 1594EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, 1595 const EGLint *attrib_list) 1596{ 1597 return createPbufferSurface(dpy, config, attrib_list); 1598} 1599 1600EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) 1601{ 1602 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1603 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1604 if (eglSurface != EGL_NO_SURFACE) { 1605 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); 1606 if (!surface->isValid()) 1607 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1608 if (surface->dpy != dpy) 1609 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1610 if (surface->ctx) { 1611 // defer disconnect/delete until no longer current 1612 surface->zombie = true; 1613 } else { 1614 surface->disconnect(); 1615 delete surface; 1616 } 1617 } 1618 return EGL_TRUE; 1619} 1620 1621EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, 1622 EGLint attribute, EGLint *value) 1623{ 1624 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1625 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1626 egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); 1627 if (!surface->isValid()) 1628 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1629 if (surface->dpy != dpy) 1630 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1631 1632 EGLBoolean ret = EGL_TRUE; 1633 switch (attribute) { 1634 case EGL_CONFIG_ID: 1635 ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); 1636 break; 1637 case EGL_WIDTH: 1638 *value = surface->getWidth(); 1639 break; 1640 case EGL_HEIGHT: 1641 *value = surface->getHeight(); 1642 break; 1643 case EGL_LARGEST_PBUFFER: 1644 // not modified for a window or pixmap surface 1645 break; 1646 case EGL_TEXTURE_FORMAT: 1647 *value = EGL_NO_TEXTURE; 1648 break; 1649 case EGL_TEXTURE_TARGET: 1650 *value = EGL_NO_TEXTURE; 1651 break; 1652 case EGL_MIPMAP_TEXTURE: 1653 *value = EGL_FALSE; 1654 break; 1655 case EGL_MIPMAP_LEVEL: 1656 *value = 0; 1657 break; 1658 case EGL_RENDER_BUFFER: 1659 // TODO: return the real RENDER_BUFFER here 1660 *value = EGL_BACK_BUFFER; 1661 break; 1662 case EGL_HORIZONTAL_RESOLUTION: 1663 // pixel/mm * EGL_DISPLAY_SCALING 1664 *value = surface->getHorizontalResolution(); 1665 break; 1666 case EGL_VERTICAL_RESOLUTION: 1667 // pixel/mm * EGL_DISPLAY_SCALING 1668 *value = surface->getVerticalResolution(); 1669 break; 1670 case EGL_PIXEL_ASPECT_RATIO: { 1671 // w/h * EGL_DISPLAY_SCALING 1672 int wr = surface->getHorizontalResolution(); 1673 int hr = surface->getVerticalResolution(); 1674 *value = (wr * EGL_DISPLAY_SCALING) / hr; 1675 } break; 1676 case EGL_SWAP_BEHAVIOR: 1677 *value = surface->getSwapBehavior(); 1678 break; 1679 default: 1680 ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1681 } 1682 return ret; 1683} 1684 1685EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, 1686 EGLContext /*share_list*/, const EGLint* /*attrib_list*/) 1687{ 1688 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1689 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1690 1691 ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); 1692 if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); 1693 1694 egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); 1695 c->flags = egl_context_t::NEVER_CURRENT; 1696 c->dpy = dpy; 1697 c->config = config; 1698 c->read = 0; 1699 c->draw = 0; 1700 return (EGLContext)gl; 1701} 1702 1703EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) 1704{ 1705 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1706 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1707 egl_context_t* c = egl_context_t::context(ctx); 1708 if (c->flags & egl_context_t::IS_CURRENT) 1709 setGlThreadSpecific(0); 1710 ogles_uninit((ogles_context_t*)ctx); 1711 return EGL_TRUE; 1712} 1713 1714EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, 1715 EGLSurface read, EGLContext ctx) 1716{ 1717 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1718 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1719 if (draw) { 1720 egl_surface_t* s = (egl_surface_t*)draw; 1721 if (!s->isValid()) 1722 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1723 if (s->dpy != dpy) 1724 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1725 // TODO: check that draw is compatible with the context 1726 } 1727 if (read && read!=draw) { 1728 egl_surface_t* s = (egl_surface_t*)read; 1729 if (!s->isValid()) 1730 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1731 if (s->dpy != dpy) 1732 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1733 // TODO: check that read is compatible with the context 1734 } 1735 1736 EGLContext current_ctx = EGL_NO_CONTEXT; 1737 1738 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) 1739 return setError(EGL_BAD_MATCH, EGL_FALSE); 1740 1741 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) 1742 return setError(EGL_BAD_MATCH, EGL_FALSE); 1743 1744 if (ctx == EGL_NO_CONTEXT) { 1745 // if we're detaching, we need the current context 1746 current_ctx = (EGLContext)getGlThreadSpecific(); 1747 } else { 1748 egl_context_t* c = egl_context_t::context(ctx); 1749 egl_surface_t* d = (egl_surface_t*)draw; 1750 egl_surface_t* r = (egl_surface_t*)read; 1751 if ((d && d->ctx && d->ctx != ctx) || 1752 (r && r->ctx && r->ctx != ctx)) { 1753 // one of the surface is bound to a context in another thread 1754 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1755 } 1756 } 1757 1758 ogles_context_t* gl = (ogles_context_t*)ctx; 1759 if (makeCurrent(gl) == 0) { 1760 if (ctx) { 1761 egl_context_t* c = egl_context_t::context(ctx); 1762 egl_surface_t* d = (egl_surface_t*)draw; 1763 egl_surface_t* r = (egl_surface_t*)read; 1764 1765 if (c->draw) { 1766 egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); 1767 s->disconnect(); 1768 s->ctx = EGL_NO_CONTEXT; 1769 if (s->zombie) 1770 delete s; 1771 } 1772 if (c->read) { 1773 // FIXME: unlock/disconnect the read surface too 1774 } 1775 1776 c->draw = draw; 1777 c->read = read; 1778 1779 if (c->flags & egl_context_t::NEVER_CURRENT) { 1780 c->flags &= ~egl_context_t::NEVER_CURRENT; 1781 GLint w = 0; 1782 GLint h = 0; 1783 if (draw) { 1784 w = d->getWidth(); 1785 h = d->getHeight(); 1786 } 1787 ogles_surfaceport(gl, 0, 0); 1788 ogles_viewport(gl, 0, 0, w, h); 1789 ogles_scissor(gl, 0, 0, w, h); 1790 } 1791 if (d) { 1792 if (d->connect() == EGL_FALSE) { 1793 return EGL_FALSE; 1794 } 1795 d->ctx = ctx; 1796 d->bindDrawSurface(gl); 1797 } 1798 if (r) { 1799 // FIXME: lock/connect the read surface too 1800 r->ctx = ctx; 1801 r->bindReadSurface(gl); 1802 } 1803 } else { 1804 // if surfaces were bound to the context bound to this thread 1805 // mark then as unbound. 1806 if (current_ctx) { 1807 egl_context_t* c = egl_context_t::context(current_ctx); 1808 egl_surface_t* d = (egl_surface_t*)c->draw; 1809 egl_surface_t* r = (egl_surface_t*)c->read; 1810 if (d) { 1811 c->draw = 0; 1812 d->disconnect(); 1813 d->ctx = EGL_NO_CONTEXT; 1814 if (d->zombie) 1815 delete d; 1816 } 1817 if (r) { 1818 c->read = 0; 1819 r->ctx = EGL_NO_CONTEXT; 1820 // FIXME: unlock/disconnect the read surface too 1821 } 1822 } 1823 } 1824 return EGL_TRUE; 1825 } 1826 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1827} 1828 1829EGLContext eglGetCurrentContext(void) 1830{ 1831 // eglGetCurrentContext returns the current EGL rendering context, 1832 // as specified by eglMakeCurrent. If no context is current, 1833 // EGL_NO_CONTEXT is returned. 1834 return (EGLContext)getGlThreadSpecific(); 1835} 1836 1837EGLSurface eglGetCurrentSurface(EGLint readdraw) 1838{ 1839 // eglGetCurrentSurface returns the read or draw surface attached 1840 // to the current EGL rendering context, as specified by eglMakeCurrent. 1841 // If no context is current, EGL_NO_SURFACE is returned. 1842 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1843 if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; 1844 egl_context_t* c = egl_context_t::context(ctx); 1845 if (readdraw == EGL_READ) { 1846 return c->read; 1847 } else if (readdraw == EGL_DRAW) { 1848 return c->draw; 1849 } 1850 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); 1851} 1852 1853EGLDisplay eglGetCurrentDisplay(void) 1854{ 1855 // eglGetCurrentDisplay returns the current EGL display connection 1856 // for the current EGL rendering context, as specified by eglMakeCurrent. 1857 // If no context is current, EGL_NO_DISPLAY is returned. 1858 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1859 if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; 1860 egl_context_t* c = egl_context_t::context(ctx); 1861 return c->dpy; 1862} 1863 1864EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, 1865 EGLint attribute, EGLint *value) 1866{ 1867 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1868 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1869 egl_context_t* c = egl_context_t::context(ctx); 1870 switch (attribute) { 1871 case EGL_CONFIG_ID: 1872 // Returns the ID of the EGL frame buffer configuration with 1873 // respect to which the context was created 1874 return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); 1875 } 1876 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1877} 1878 1879EGLBoolean eglWaitGL(void) 1880{ 1881 return EGL_TRUE; 1882} 1883 1884EGLBoolean eglWaitNative(EGLint /*engine*/) 1885{ 1886 return EGL_TRUE; 1887} 1888 1889EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) 1890{ 1891 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1892 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1893 1894 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 1895 if (!d->isValid()) 1896 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1897 if (d->dpy != dpy) 1898 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1899 1900 // post the surface 1901 d->swapBuffers(); 1902 1903 // if it's bound to a context, update the buffer 1904 if (d->ctx != EGL_NO_CONTEXT) { 1905 d->bindDrawSurface((ogles_context_t*)d->ctx); 1906 // if this surface is also the read surface of the context 1907 // it is bound to, make sure to update the read buffer as well. 1908 // The EGL spec is a little unclear about this. 1909 egl_context_t* c = egl_context_t::context(d->ctx); 1910 if (c->read == draw) { 1911 d->bindReadSurface((ogles_context_t*)d->ctx); 1912 } 1913 } 1914 1915 return EGL_TRUE; 1916} 1917 1918EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface /*surface*/, 1919 NativePixmapType /*target*/) 1920{ 1921 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1922 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1923 // TODO: eglCopyBuffers() 1924 return EGL_FALSE; 1925} 1926 1927EGLint eglGetError(void) 1928{ 1929 return getError(); 1930} 1931 1932const char* eglQueryString(EGLDisplay dpy, EGLint name) 1933{ 1934 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1935 return setError(EGL_BAD_DISPLAY, (const char*)0); 1936 1937 switch (name) { 1938 case EGL_VENDOR: 1939 return gVendorString; 1940 case EGL_VERSION: 1941 return gVersionString; 1942 case EGL_EXTENSIONS: 1943 return gExtensionsString; 1944 case EGL_CLIENT_APIS: 1945 return gClientApiString; 1946 } 1947 return setError(EGL_BAD_PARAMETER, (const char *)0); 1948} 1949 1950// ---------------------------------------------------------------------------- 1951// EGL 1.1 1952// ---------------------------------------------------------------------------- 1953 1954EGLBoolean eglSurfaceAttrib( 1955 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*attribute*/, EGLint /*value*/) 1956{ 1957 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1958 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1959 // TODO: eglSurfaceAttrib() 1960 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1961} 1962 1963EGLBoolean eglBindTexImage( 1964 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1965{ 1966 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1967 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1968 // TODO: eglBindTexImage() 1969 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1970} 1971 1972EGLBoolean eglReleaseTexImage( 1973 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1974{ 1975 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1976 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1977 // TODO: eglReleaseTexImage() 1978 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1979} 1980 1981EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint /*interval*/) 1982{ 1983 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1984 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1985 // TODO: eglSwapInterval() 1986 return EGL_TRUE; 1987} 1988 1989// ---------------------------------------------------------------------------- 1990// EGL 1.2 1991// ---------------------------------------------------------------------------- 1992 1993EGLBoolean eglBindAPI(EGLenum api) 1994{ 1995 if (api != EGL_OPENGL_ES_API) 1996 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1997 return EGL_TRUE; 1998} 1999 2000EGLenum eglQueryAPI(void) 2001{ 2002 return EGL_OPENGL_ES_API; 2003} 2004 2005EGLBoolean eglWaitClient(void) 2006{ 2007 glFinish(); 2008 return EGL_TRUE; 2009} 2010 2011EGLBoolean eglReleaseThread(void) 2012{ 2013 // TODO: eglReleaseThread() 2014 return EGL_TRUE; 2015} 2016 2017EGLSurface eglCreatePbufferFromClientBuffer( 2018 EGLDisplay dpy, EGLenum /*buftype*/, EGLClientBuffer /*buffer*/, 2019 EGLConfig /*config*/, const EGLint* /*attrib_list*/) 2020{ 2021 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2022 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 2023 // TODO: eglCreatePbufferFromClientBuffer() 2024 return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); 2025} 2026 2027// ---------------------------------------------------------------------------- 2028// EGL_EGLEXT_VERSION 3 2029// ---------------------------------------------------------------------------- 2030 2031void (*eglGetProcAddress (const char *procname))() 2032{ 2033 extention_map_t const * const map = gExtentionMap; 2034 for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { 2035 if (!strcmp(procname, map[i].name)) { 2036 return map[i].address; 2037 } 2038 } 2039 return NULL; 2040} 2041 2042EGLBoolean eglLockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/, 2043 const EGLint* /*attrib_list*/) 2044{ 2045 EGLBoolean result = EGL_FALSE; 2046 return result; 2047} 2048 2049EGLBoolean eglUnlockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/) 2050{ 2051 EGLBoolean result = EGL_FALSE; 2052 return result; 2053} 2054 2055EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, 2056 EGLClientBuffer buffer, const EGLint* /*attrib_list*/) 2057{ 2058 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2059 return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); 2060 } 2061 if (ctx != EGL_NO_CONTEXT) { 2062 return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); 2063 } 2064 if (target != EGL_NATIVE_BUFFER_ANDROID) { 2065 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2066 } 2067 2068 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer; 2069 2070 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2071 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2072 2073 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2074 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2075 2076 switch (native_buffer->format) { 2077 case HAL_PIXEL_FORMAT_RGBA_8888: 2078 case HAL_PIXEL_FORMAT_RGBX_8888: 2079 case HAL_PIXEL_FORMAT_RGB_888: 2080 case HAL_PIXEL_FORMAT_RGB_565: 2081 case HAL_PIXEL_FORMAT_BGRA_8888: 2082 break; 2083 default: 2084 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2085 } 2086 2087 native_buffer->common.incRef(&native_buffer->common); 2088 return (EGLImageKHR)native_buffer; 2089} 2090 2091EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) 2092{ 2093 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2094 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2095 } 2096 2097 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img; 2098 2099 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2100 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2101 2102 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2103 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2104 2105 native_buffer->common.decRef(&native_buffer->common); 2106 2107 return EGL_TRUE; 2108} 2109 2110// ---------------------------------------------------------------------------- 2111// EGL_KHR_fence_sync 2112// ---------------------------------------------------------------------------- 2113 2114#define FENCE_SYNC_HANDLE ((EGLSyncKHR)0xFE4CE) 2115 2116EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, 2117 const EGLint *attrib_list) 2118{ 2119 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2120 return setError(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR); 2121 } 2122 2123 if (type != EGL_SYNC_FENCE_KHR || 2124 (attrib_list != NULL && attrib_list[0] != EGL_NONE)) { 2125 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR); 2126 } 2127 2128 if (eglGetCurrentContext() == EGL_NO_CONTEXT) { 2129 return setError(EGL_BAD_MATCH, EGL_NO_SYNC_KHR); 2130 } 2131 2132 // AGL is synchronous; nothing to do here. 2133 2134 return FENCE_SYNC_HANDLE; 2135} 2136 2137EGLBoolean eglDestroySyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync) 2138{ 2139 if (sync != FENCE_SYNC_HANDLE) { 2140 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2141 } 2142 2143 return EGL_TRUE; 2144} 2145 2146EGLint eglClientWaitSyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, EGLint /*flags*/, 2147 EGLTimeKHR /*timeout*/) 2148{ 2149 if (sync != FENCE_SYNC_HANDLE) { 2150 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2151 } 2152 2153 return EGL_CONDITION_SATISFIED_KHR; 2154} 2155 2156EGLBoolean eglGetSyncAttribKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, 2157 EGLint attribute, EGLint *value) 2158{ 2159 if (sync != FENCE_SYNC_HANDLE) { 2160 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2161 } 2162 2163 switch (attribute) { 2164 case EGL_SYNC_TYPE_KHR: 2165 *value = EGL_SYNC_FENCE_KHR; 2166 return EGL_TRUE; 2167 case EGL_SYNC_STATUS_KHR: 2168 *value = EGL_SIGNALED_KHR; 2169 return EGL_TRUE; 2170 case EGL_SYNC_CONDITION_KHR: 2171 *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; 2172 return EGL_TRUE; 2173 default: 2174 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 2175 } 2176} 2177 2178// ---------------------------------------------------------------------------- 2179// ANDROID extensions 2180// ---------------------------------------------------------------------------- 2181 2182EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 2183 EGLint left, EGLint top, EGLint width, EGLint height) 2184{ 2185 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2186 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2187 2188 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2189 if (!d->isValid()) 2190 return setError(EGL_BAD_SURFACE, EGL_FALSE); 2191 if (d->dpy != dpy) 2192 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2193 2194 // post the surface 2195 d->setSwapRectangle(left, top, width, height); 2196 2197 return EGL_TRUE; 2198} 2199