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 <fcntl.h> 22#include <stdio.h> 23#include <stdlib.h> 24#include <string.h> 25#include <sys/ioctl.h> 26#include <sys/types.h> 27#include <sys/mman.h> 28#include <unistd.h> 29 30#include <log/log.h> 31 32#include <utils/threads.h> 33#include <ui/ANativeObjectBase.h> 34#include <ui/Fence.h> 35#include <ui/GraphicBufferMapper.h> 36#include <ui/Rect.h> 37 38#include <EGL/egl.h> 39#include <EGL/eglext.h> 40#include <GLES/gl.h> 41#include <GLES/glext.h> 42 43#include <pixelflinger/format.h> 44#include <pixelflinger/pixelflinger.h> 45 46#include "context.h" 47#include "state.h" 48#include "texture.h" 49#include "matrix.h" 50 51#undef NELEM 52#define NELEM(x) (sizeof(x)/sizeof(*(x))) 53 54// ---------------------------------------------------------------------------- 55 56EGLBoolean EGLAPI eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 57 EGLint left, EGLint top, EGLint width, EGLint height); 58 59// ---------------------------------------------------------------------------- 60namespace android { 61 62// ---------------------------------------------------------------------------- 63 64const unsigned int NUM_DISPLAYS = 1; 65 66static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; 67static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; 68static pthread_key_t gEGLErrorKey = -1; 69#ifndef __ANDROID__ 70namespace gl { 71pthread_key_t gGLKey = -1; 72}; // namespace gl 73#endif 74 75template<typename T> 76static T setError(GLint error, T returnValue) { 77 if (ggl_unlikely(gEGLErrorKey == -1)) { 78 pthread_mutex_lock(&gErrorKeyMutex); 79 if (gEGLErrorKey == -1) 80 pthread_key_create(&gEGLErrorKey, NULL); 81 pthread_mutex_unlock(&gErrorKeyMutex); 82 } 83 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)error); 84 return returnValue; 85} 86 87static GLint getError() { 88 if (ggl_unlikely(gEGLErrorKey == -1)) 89 return EGL_SUCCESS; 90 GLint error = (GLint)(uintptr_t)pthread_getspecific(gEGLErrorKey); 91 if (error == 0) { 92 // The TLS key has been created by another thread, but the value for 93 // this thread has not been initialized. 94 return EGL_SUCCESS; 95 } 96 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)EGL_SUCCESS); 97 return error; 98} 99 100// ---------------------------------------------------------------------------- 101 102struct egl_display_t 103{ 104 egl_display_t() : type(0), initialized(0) { } 105 106 static egl_display_t& get_display(EGLDisplay dpy); 107 108 static EGLBoolean is_valid(EGLDisplay dpy) { 109 return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; 110 } 111 112 NativeDisplayType type; 113 std::atomic_size_t initialized; 114}; 115 116static egl_display_t gDisplays[NUM_DISPLAYS]; 117 118egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { 119 return gDisplays[uintptr_t(dpy)-1U]; 120} 121 122struct egl_context_t { 123 enum { 124 IS_CURRENT = 0x00010000, 125 NEVER_CURRENT = 0x00020000 126 }; 127 uint32_t flags; 128 EGLDisplay dpy; 129 EGLConfig config; 130 EGLSurface read; 131 EGLSurface draw; 132 133 static inline egl_context_t* context(EGLContext ctx) { 134 ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); 135 return static_cast<egl_context_t*>(gl->rasterizer.base); 136 } 137}; 138 139// ---------------------------------------------------------------------------- 140 141struct egl_surface_t 142{ 143 enum { 144 PAGE_FLIP = 0x00000001, 145 MAGIC = 0x31415265 146 }; 147 148 uint32_t magic; 149 EGLDisplay dpy; 150 EGLConfig config; 151 EGLContext ctx; 152 bool zombie; 153 154 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); 155 virtual ~egl_surface_t(); 156 bool isValid() const; 157 virtual bool initCheck() const = 0; 158 159 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; 160 virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; 161 virtual EGLBoolean connect() { return EGL_TRUE; } 162 virtual void disconnect() {} 163 virtual EGLint getWidth() const = 0; 164 virtual EGLint getHeight() const = 0; 165 166 virtual EGLint getHorizontalResolution() const; 167 virtual EGLint getVerticalResolution() const; 168 virtual EGLint getRefreshRate() const; 169 virtual EGLint getSwapBehavior() const; 170 virtual EGLBoolean swapBuffers(); 171 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 172protected: 173 GGLSurface depth; 174}; 175 176egl_surface_t::egl_surface_t(EGLDisplay dpy, 177 EGLConfig config, 178 int32_t depthFormat) 179 : magic(MAGIC), dpy(dpy), config(config), ctx(0), zombie(false) 180{ 181 depth.version = sizeof(GGLSurface); 182 depth.data = 0; 183 depth.format = depthFormat; 184} 185egl_surface_t::~egl_surface_t() 186{ 187 magic = 0; 188 free(depth.data); 189} 190bool egl_surface_t::isValid() const { 191 ALOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); 192 return magic == MAGIC; 193} 194 195EGLBoolean egl_surface_t::swapBuffers() { 196 return EGL_FALSE; 197} 198EGLint egl_surface_t::getHorizontalResolution() const { 199 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 200} 201EGLint egl_surface_t::getVerticalResolution() const { 202 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 203} 204EGLint egl_surface_t::getRefreshRate() const { 205 return (60 * EGL_DISPLAY_SCALING); 206} 207EGLint egl_surface_t::getSwapBehavior() const { 208 return EGL_BUFFER_PRESERVED; 209} 210EGLBoolean egl_surface_t::setSwapRectangle( 211 EGLint /*l*/, EGLint /*t*/, EGLint /*w*/, EGLint /*h*/) 212{ 213 return EGL_FALSE; 214} 215 216// ---------------------------------------------------------------------------- 217 218struct egl_window_surface_v2_t : public egl_surface_t 219{ 220 egl_window_surface_v2_t( 221 EGLDisplay dpy, EGLConfig config, 222 int32_t depthFormat, 223 ANativeWindow* window); 224 225 ~egl_window_surface_v2_t(); 226 227 virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails 228 virtual EGLBoolean swapBuffers(); 229 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 230 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 231 virtual EGLBoolean connect(); 232 virtual void disconnect(); 233 virtual EGLint getWidth() const { return width; } 234 virtual EGLint getHeight() const { return height; } 235 virtual EGLint getHorizontalResolution() const; 236 virtual EGLint getVerticalResolution() const; 237 virtual EGLint getRefreshRate() const; 238 virtual EGLint getSwapBehavior() const; 239 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 240 241private: 242 status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr); 243 status_t unlock(ANativeWindowBuffer* buf); 244 ANativeWindow* nativeWindow; 245 ANativeWindowBuffer* buffer; 246 ANativeWindowBuffer* previousBuffer; 247 int width; 248 int height; 249 void* bits; 250 GGLFormat const* pixelFormatTable; 251 252 struct Rect { 253 inline Rect() { }; 254 inline Rect(int32_t w, int32_t h) 255 : left(0), top(0), right(w), bottom(h) { } 256 inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) 257 : left(l), top(t), right(r), bottom(b) { } 258 Rect& andSelf(const Rect& r) { 259 left = max(left, r.left); 260 top = max(top, r.top); 261 right = min(right, r.right); 262 bottom = min(bottom, r.bottom); 263 return *this; 264 } 265 bool isEmpty() const { 266 return (left>=right || top>=bottom); 267 } 268 void dump(char const* what) { 269 ALOGD("%s { %5d, %5d, w=%5d, h=%5d }", 270 what, left, top, right-left, bottom-top); 271 } 272 273 int32_t left; 274 int32_t top; 275 int32_t right; 276 int32_t bottom; 277 }; 278 279 struct Region { 280 inline Region() : count(0) { } 281 typedef Rect const* const_iterator; 282 const_iterator begin() const { return storage; } 283 const_iterator end() const { return storage+count; } 284 static Region subtract(const Rect& lhs, const Rect& rhs) { 285 Region reg; 286 Rect* storage = reg.storage; 287 if (!lhs.isEmpty()) { 288 if (lhs.top < rhs.top) { // top rect 289 storage->left = lhs.left; 290 storage->top = lhs.top; 291 storage->right = lhs.right; 292 storage->bottom = rhs.top; 293 storage++; 294 } 295 const int32_t top = max(lhs.top, rhs.top); 296 const int32_t bot = min(lhs.bottom, rhs.bottom); 297 if (top < bot) { 298 if (lhs.left < rhs.left) { // left-side rect 299 storage->left = lhs.left; 300 storage->top = top; 301 storage->right = rhs.left; 302 storage->bottom = bot; 303 storage++; 304 } 305 if (lhs.right > rhs.right) { // right-side rect 306 storage->left = rhs.right; 307 storage->top = top; 308 storage->right = lhs.right; 309 storage->bottom = bot; 310 storage++; 311 } 312 } 313 if (lhs.bottom > rhs.bottom) { // bottom rect 314 storage->left = lhs.left; 315 storage->top = rhs.bottom; 316 storage->right = lhs.right; 317 storage->bottom = lhs.bottom; 318 storage++; 319 } 320 reg.count = storage - reg.storage; 321 } 322 return reg; 323 } 324 bool isEmpty() const { 325 return count<=0; 326 } 327 private: 328 Rect storage[4]; 329 ssize_t count; 330 }; 331 332 void copyBlt( 333 ANativeWindowBuffer* dst, void* dst_vaddr, 334 ANativeWindowBuffer* src, void const* src_vaddr, 335 const Region& clip); 336 337 Rect dirtyRegion; 338 Rect oldDirtyRegion; 339}; 340 341egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, 342 EGLConfig config, 343 int32_t depthFormat, 344 ANativeWindow* window) 345 : egl_surface_t(dpy, config, depthFormat), 346 nativeWindow(window), buffer(0), previousBuffer(0), bits(NULL) 347{ 348 349 pixelFormatTable = gglGetPixelFormatTable(); 350 351 // keep a reference on the window 352 nativeWindow->common.incRef(&nativeWindow->common); 353 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); 354 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); 355} 356 357egl_window_surface_v2_t::~egl_window_surface_v2_t() { 358 if (buffer) { 359 buffer->common.decRef(&buffer->common); 360 } 361 if (previousBuffer) { 362 previousBuffer->common.decRef(&previousBuffer->common); 363 } 364 nativeWindow->common.decRef(&nativeWindow->common); 365} 366 367EGLBoolean egl_window_surface_v2_t::connect() 368{ 369 // we're intending to do software rendering 370 native_window_set_usage(nativeWindow, 371 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); 372 373 // dequeue a buffer 374 int fenceFd = -1; 375 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, 376 &fenceFd) != NO_ERROR) { 377 return setError(EGL_BAD_ALLOC, EGL_FALSE); 378 } 379 380 // wait for the buffer 381 sp<Fence> fence(new Fence(fenceFd)); 382 if (fence->wait(Fence::TIMEOUT_NEVER) != NO_ERROR) { 383 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 384 return setError(EGL_BAD_ALLOC, EGL_FALSE); 385 } 386 387 // allocate a corresponding depth-buffer 388 width = buffer->width; 389 height = buffer->height; 390 if (depth.format) { 391 depth.width = width; 392 depth.height = height; 393 depth.stride = depth.width; // use the width here 394 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 395 static_cast<uint64_t>(depth.height) * 2; 396 if (depth.stride < 0 || depth.height > INT_MAX || 397 allocSize > UINT32_MAX) { 398 return setError(EGL_BAD_ALLOC, EGL_FALSE); 399 } 400 depth.data = (GGLubyte*)malloc(allocSize); 401 if (depth.data == 0) { 402 return setError(EGL_BAD_ALLOC, EGL_FALSE); 403 } 404 } 405 406 // keep a reference on the buffer 407 buffer->common.incRef(&buffer->common); 408 409 // pin the buffer down 410 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 411 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 412 ALOGE("connect() failed to lock buffer %p (%ux%u)", 413 buffer, buffer->width, buffer->height); 414 return setError(EGL_BAD_ACCESS, EGL_FALSE); 415 // FIXME: we should make sure we're not accessing the buffer anymore 416 } 417 return EGL_TRUE; 418} 419 420void egl_window_surface_v2_t::disconnect() 421{ 422 if (buffer && bits) { 423 bits = NULL; 424 unlock(buffer); 425 } 426 if (buffer) { 427 nativeWindow->cancelBuffer(nativeWindow, buffer, -1); 428 buffer->common.decRef(&buffer->common); 429 buffer = 0; 430 } 431 if (previousBuffer) { 432 previousBuffer->common.decRef(&previousBuffer->common); 433 previousBuffer = 0; 434 } 435} 436 437status_t egl_window_surface_v2_t::lock( 438 ANativeWindowBuffer* buf, int usage, void** vaddr) 439{ 440 auto& mapper = GraphicBufferMapper::get(); 441 return mapper.lock(buf->handle, usage, 442 android::Rect(buf->width, buf->height), vaddr); 443} 444 445status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf) 446{ 447 if (!buf) return BAD_VALUE; 448 auto& mapper = GraphicBufferMapper::get(); 449 return mapper.unlock(buf->handle); 450} 451 452void egl_window_surface_v2_t::copyBlt( 453 ANativeWindowBuffer* dst, void* dst_vaddr, 454 ANativeWindowBuffer* src, void const* src_vaddr, 455 const Region& clip) 456{ 457 // NOTE: dst and src must be the same format 458 459 Region::const_iterator cur = clip.begin(); 460 Region::const_iterator end = clip.end(); 461 462 const size_t bpp = pixelFormatTable[src->format].size; 463 const size_t dbpr = dst->stride * bpp; 464 const size_t sbpr = src->stride * bpp; 465 466 uint8_t const * const src_bits = (uint8_t const *)src_vaddr; 467 uint8_t * const dst_bits = (uint8_t *)dst_vaddr; 468 469 while (cur != end) { 470 const Rect& r(*cur++); 471 ssize_t w = r.right - r.left; 472 ssize_t h = r.bottom - r.top; 473 if (w <= 0 || h<=0) continue; 474 size_t size = w * bpp; 475 uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; 476 uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; 477 if (dbpr==sbpr && size==sbpr) { 478 size *= h; 479 h = 1; 480 } 481 do { 482 memcpy(d, s, size); 483 d += dbpr; 484 s += sbpr; 485 } while (--h > 0); 486 } 487} 488 489EGLBoolean egl_window_surface_v2_t::swapBuffers() 490{ 491 if (!buffer) { 492 return setError(EGL_BAD_ACCESS, EGL_FALSE); 493 } 494 495 /* 496 * Handle eglSetSwapRectangleANDROID() 497 * We copyback from the front buffer 498 */ 499 if (!dirtyRegion.isEmpty()) { 500 dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); 501 if (previousBuffer) { 502 // This was const Region copyBack, but that causes an 503 // internal compile error on simulator builds 504 /*const*/ Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); 505 if (!copyBack.isEmpty()) { 506 void* prevBits; 507 if (lock(previousBuffer, 508 GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { 509 // copy from previousBuffer to buffer 510 copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); 511 unlock(previousBuffer); 512 } 513 } 514 } 515 oldDirtyRegion = dirtyRegion; 516 } 517 518 if (previousBuffer) { 519 previousBuffer->common.decRef(&previousBuffer->common); 520 previousBuffer = 0; 521 } 522 523 unlock(buffer); 524 previousBuffer = buffer; 525 nativeWindow->queueBuffer(nativeWindow, buffer, -1); 526 buffer = 0; 527 528 // dequeue a new buffer 529 int fenceFd = -1; 530 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &fenceFd) == NO_ERROR) { 531 sp<Fence> fence(new Fence(fenceFd)); 532 if (fence->wait(Fence::TIMEOUT_NEVER)) { 533 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 534 return setError(EGL_BAD_ALLOC, EGL_FALSE); 535 } 536 537 // reallocate the depth-buffer if needed 538 if ((width != buffer->width) || (height != buffer->height)) { 539 // TODO: we probably should reset the swap rect here 540 // if the window size has changed 541 width = buffer->width; 542 height = buffer->height; 543 if (depth.data) { 544 free(depth.data); 545 depth.width = width; 546 depth.height = height; 547 depth.stride = buffer->stride; 548 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 549 static_cast<uint64_t>(depth.height) * 2; 550 if (depth.stride < 0 || depth.height > INT_MAX || 551 allocSize > UINT32_MAX) { 552 setError(EGL_BAD_ALLOC, EGL_FALSE); 553 return EGL_FALSE; 554 } 555 depth.data = (GGLubyte*)malloc(allocSize); 556 if (depth.data == 0) { 557 setError(EGL_BAD_ALLOC, EGL_FALSE); 558 return EGL_FALSE; 559 } 560 } 561 } 562 563 // keep a reference on the buffer 564 buffer->common.incRef(&buffer->common); 565 566 // finally pin the buffer down 567 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 568 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 569 ALOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", 570 buffer, buffer->width, buffer->height); 571 return setError(EGL_BAD_ACCESS, EGL_FALSE); 572 // FIXME: we should make sure we're not accessing the buffer anymore 573 } 574 } else { 575 return setError(EGL_BAD_CURRENT_SURFACE, EGL_FALSE); 576 } 577 578 return EGL_TRUE; 579} 580 581EGLBoolean egl_window_surface_v2_t::setSwapRectangle( 582 EGLint l, EGLint t, EGLint w, EGLint h) 583{ 584 dirtyRegion = Rect(l, t, l+w, t+h); 585 return EGL_TRUE; 586} 587 588EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) 589{ 590 GGLSurface buffer; 591 buffer.version = sizeof(GGLSurface); 592 buffer.width = this->buffer->width; 593 buffer.height = this->buffer->height; 594 buffer.stride = this->buffer->stride; 595 buffer.data = (GGLubyte*)bits; 596 buffer.format = this->buffer->format; 597 gl->rasterizer.procs.colorBuffer(gl, &buffer); 598 if (depth.data != gl->rasterizer.state.buffers.depth.data) 599 gl->rasterizer.procs.depthBuffer(gl, &depth); 600 601 return EGL_TRUE; 602} 603EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) 604{ 605 GGLSurface buffer; 606 buffer.version = sizeof(GGLSurface); 607 buffer.width = this->buffer->width; 608 buffer.height = this->buffer->height; 609 buffer.stride = this->buffer->stride; 610 buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! 611 buffer.format = this->buffer->format; 612 gl->rasterizer.procs.readBuffer(gl, &buffer); 613 return EGL_TRUE; 614} 615EGLint egl_window_surface_v2_t::getHorizontalResolution() const { 616 return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 617} 618EGLint egl_window_surface_v2_t::getVerticalResolution() const { 619 return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 620} 621EGLint egl_window_surface_v2_t::getRefreshRate() const { 622 return (60 * EGL_DISPLAY_SCALING); // FIXME 623} 624EGLint egl_window_surface_v2_t::getSwapBehavior() const 625{ 626 /* 627 * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves 628 * the content of the swapped buffer. 629 * 630 * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. 631 * 632 * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED 633 * only applies to the area specified by eglSetSwapRectangleANDROID(), that 634 * is, everything outside of this area is preserved. 635 * 636 * This implementation of EGL assumes the later case. 637 * 638 */ 639 640 return EGL_BUFFER_DESTROYED; 641} 642 643// ---------------------------------------------------------------------------- 644 645struct egl_pixmap_surface_t : public egl_surface_t 646{ 647 egl_pixmap_surface_t( 648 EGLDisplay dpy, EGLConfig config, 649 int32_t depthFormat, 650 egl_native_pixmap_t const * pixmap); 651 652 virtual ~egl_pixmap_surface_t() { } 653 654 virtual bool initCheck() const { return !depth.format || depth.data!=0; } 655 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 656 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 657 virtual EGLint getWidth() const { return nativePixmap.width; } 658 virtual EGLint getHeight() const { return nativePixmap.height; } 659private: 660 egl_native_pixmap_t nativePixmap; 661}; 662 663egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, 664 EGLConfig config, 665 int32_t depthFormat, 666 egl_native_pixmap_t const * pixmap) 667 : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) 668{ 669 if (depthFormat) { 670 depth.width = pixmap->width; 671 depth.height = pixmap->height; 672 depth.stride = depth.width; // use the width here 673 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 674 static_cast<uint64_t>(depth.height) * 2; 675 if (depth.stride < 0 || depth.height > INT_MAX || 676 allocSize > UINT32_MAX) { 677 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 678 return; 679 } 680 depth.data = (GGLubyte*)malloc(allocSize); 681 if (depth.data == 0) { 682 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 683 } 684 } 685} 686EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) 687{ 688 GGLSurface buffer; 689 buffer.version = sizeof(GGLSurface); 690 buffer.width = nativePixmap.width; 691 buffer.height = nativePixmap.height; 692 buffer.stride = nativePixmap.stride; 693 buffer.data = nativePixmap.data; 694 buffer.format = nativePixmap.format; 695 696 gl->rasterizer.procs.colorBuffer(gl, &buffer); 697 if (depth.data != gl->rasterizer.state.buffers.depth.data) 698 gl->rasterizer.procs.depthBuffer(gl, &depth); 699 return EGL_TRUE; 700} 701EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) 702{ 703 GGLSurface buffer; 704 buffer.version = sizeof(GGLSurface); 705 buffer.width = nativePixmap.width; 706 buffer.height = nativePixmap.height; 707 buffer.stride = nativePixmap.stride; 708 buffer.data = nativePixmap.data; 709 buffer.format = nativePixmap.format; 710 gl->rasterizer.procs.readBuffer(gl, &buffer); 711 return EGL_TRUE; 712} 713 714// ---------------------------------------------------------------------------- 715 716struct egl_pbuffer_surface_t : public egl_surface_t 717{ 718 egl_pbuffer_surface_t( 719 EGLDisplay dpy, EGLConfig config, int32_t depthFormat, 720 int32_t w, int32_t h, int32_t f); 721 722 virtual ~egl_pbuffer_surface_t(); 723 724 virtual bool initCheck() const { return pbuffer.data != 0; } 725 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 726 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 727 virtual EGLint getWidth() const { return pbuffer.width; } 728 virtual EGLint getHeight() const { return pbuffer.height; } 729private: 730 GGLSurface pbuffer; 731}; 732 733egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, 734 EGLConfig config, int32_t depthFormat, 735 int32_t w, int32_t h, int32_t f) 736 : egl_surface_t(dpy, config, depthFormat) 737{ 738 size_t size = w*h; 739 switch (f) { 740 case GGL_PIXEL_FORMAT_A_8: size *= 1; break; 741 case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; 742 case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; 743 case GGL_PIXEL_FORMAT_RGBX_8888: size *= 4; break; 744 case GGL_PIXEL_FORMAT_BGRA_8888: size *= 4; break; 745 default: 746 ALOGE("incompatible pixel format for pbuffer (format=%d)", f); 747 pbuffer.data = 0; 748 break; 749 } 750 pbuffer.version = sizeof(GGLSurface); 751 pbuffer.width = w; 752 pbuffer.height = h; 753 pbuffer.stride = w; 754 pbuffer.data = (GGLubyte*)malloc(size); 755 pbuffer.format = f; 756 757 if (depthFormat) { 758 depth.width = pbuffer.width; 759 depth.height = pbuffer.height; 760 depth.stride = depth.width; // use the width here 761 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 762 static_cast<uint64_t>(depth.height) * 2; 763 if (depth.stride < 0 || depth.height > INT_MAX || 764 allocSize > UINT32_MAX) { 765 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 766 return; 767 } 768 depth.data = (GGLubyte*)malloc(allocSize); 769 if (depth.data == 0) { 770 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 771 return; 772 } 773 } 774} 775egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { 776 free(pbuffer.data); 777} 778EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) 779{ 780 gl->rasterizer.procs.colorBuffer(gl, &pbuffer); 781 if (depth.data != gl->rasterizer.state.buffers.depth.data) 782 gl->rasterizer.procs.depthBuffer(gl, &depth); 783 return EGL_TRUE; 784} 785EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) 786{ 787 gl->rasterizer.procs.readBuffer(gl, &pbuffer); 788 return EGL_TRUE; 789} 790 791// ---------------------------------------------------------------------------- 792 793struct config_pair_t { 794 GLint key; 795 GLint value; 796}; 797 798struct configs_t { 799 const config_pair_t* array; 800 int size; 801}; 802 803struct config_management_t { 804 GLint key; 805 bool (*match)(GLint reqValue, GLint confValue); 806 static bool atLeast(GLint reqValue, GLint confValue) { 807 return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); 808 } 809 static bool exact(GLint reqValue, GLint confValue) { 810 return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); 811 } 812 static bool mask(GLint reqValue, GLint confValue) { 813 return (confValue & reqValue) == reqValue; 814 } 815 static bool ignore(GLint /*reqValue*/, GLint /*confValue*/) { 816 return true; 817 } 818}; 819 820// ---------------------------------------------------------------------------- 821 822#define VERSION_MAJOR 1 823#define VERSION_MINOR 2 824static char const * const gVendorString = "Google Inc."; 825static char const * const gVersionString = "1.2 Android Driver 1.2.0"; 826static char const * const gClientApiString = "OpenGL_ES"; 827static char const * const gExtensionsString = 828 "EGL_KHR_fence_sync " 829 "EGL_KHR_image_base " 830 // "KHR_image_pixmap " 831 "EGL_ANDROID_image_native_buffer " 832 "EGL_ANDROID_swap_rectangle " 833 ; 834 835// ---------------------------------------------------------------------------- 836 837struct extention_map_t { 838 const char * const name; 839 __eglMustCastToProperFunctionPointerType address; 840}; 841 842static const extention_map_t gExtentionMap[] = { 843 { "glDrawTexsOES", 844 (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, 845 { "glDrawTexiOES", 846 (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, 847 { "glDrawTexfOES", 848 (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, 849 { "glDrawTexxOES", 850 (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, 851 { "glDrawTexsvOES", 852 (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, 853 { "glDrawTexivOES", 854 (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, 855 { "glDrawTexfvOES", 856 (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, 857 { "glDrawTexxvOES", 858 (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, 859 { "glQueryMatrixxOES", 860 (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, 861 { "glEGLImageTargetTexture2DOES", 862 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, 863 { "glEGLImageTargetRenderbufferStorageOES", 864 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, 865 { "glClipPlanef", 866 (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, 867 { "glClipPlanex", 868 (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, 869 { "glBindBuffer", 870 (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, 871 { "glBufferData", 872 (__eglMustCastToProperFunctionPointerType)&glBufferData }, 873 { "glBufferSubData", 874 (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, 875 { "glDeleteBuffers", 876 (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, 877 { "glGenBuffers", 878 (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, 879 { "eglCreateImageKHR", 880 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 881 { "eglDestroyImageKHR", 882 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 883 { "eglCreateSyncKHR", 884 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR }, 885 { "eglDestroySyncKHR", 886 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR }, 887 { "eglClientWaitSyncKHR", 888 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR }, 889 { "eglGetSyncAttribKHR", 890 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR }, 891 { "eglSetSwapRectangleANDROID", 892 (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 893}; 894 895/* 896 * In the lists below, attributes names MUST be sorted. 897 * Additionally, all configs must be sorted according to 898 * the EGL specification. 899 */ 900 901static config_pair_t const config_base_attribute_list[] = { 902 { EGL_STENCIL_SIZE, 0 }, 903 { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, 904 { EGL_LEVEL, 0 }, 905 { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, 906 { EGL_MAX_PBUFFER_PIXELS, 907 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, 908 { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, 909 { EGL_NATIVE_RENDERABLE, EGL_TRUE }, 910 { EGL_NATIVE_VISUAL_ID, 0 }, 911 { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, 912 { EGL_SAMPLES, 0 }, 913 { EGL_SAMPLE_BUFFERS, 0 }, 914 { EGL_TRANSPARENT_TYPE, EGL_NONE }, 915 { EGL_TRANSPARENT_BLUE_VALUE, 0 }, 916 { EGL_TRANSPARENT_GREEN_VALUE, 0 }, 917 { EGL_TRANSPARENT_RED_VALUE, 0 }, 918 { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, 919 { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, 920 { EGL_MIN_SWAP_INTERVAL, 1 }, 921 { EGL_MAX_SWAP_INTERVAL, 1 }, 922 { EGL_LUMINANCE_SIZE, 0 }, 923 { EGL_ALPHA_MASK_SIZE, 0 }, 924 { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, 925 { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, 926 { EGL_CONFORMANT, 0 } 927}; 928 929// These configs can override the base attribute list 930// NOTE: when adding a config here, don't forget to update eglCreate*Surface() 931 932// 565 configs 933static config_pair_t const config_0_attribute_list[] = { 934 { EGL_BUFFER_SIZE, 16 }, 935 { EGL_ALPHA_SIZE, 0 }, 936 { EGL_BLUE_SIZE, 5 }, 937 { EGL_GREEN_SIZE, 6 }, 938 { EGL_RED_SIZE, 5 }, 939 { EGL_DEPTH_SIZE, 0 }, 940 { EGL_CONFIG_ID, 0 }, 941 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 942 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 943}; 944 945static config_pair_t const config_1_attribute_list[] = { 946 { EGL_BUFFER_SIZE, 16 }, 947 { EGL_ALPHA_SIZE, 0 }, 948 { EGL_BLUE_SIZE, 5 }, 949 { EGL_GREEN_SIZE, 6 }, 950 { EGL_RED_SIZE, 5 }, 951 { EGL_DEPTH_SIZE, 16 }, 952 { EGL_CONFIG_ID, 1 }, 953 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 954 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 955}; 956 957// RGB 888 configs 958static config_pair_t const config_2_attribute_list[] = { 959 { EGL_BUFFER_SIZE, 32 }, 960 { EGL_ALPHA_SIZE, 0 }, 961 { EGL_BLUE_SIZE, 8 }, 962 { EGL_GREEN_SIZE, 8 }, 963 { EGL_RED_SIZE, 8 }, 964 { EGL_DEPTH_SIZE, 0 }, 965 { EGL_CONFIG_ID, 6 }, 966 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 967 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 968}; 969 970static config_pair_t const config_3_attribute_list[] = { 971 { EGL_BUFFER_SIZE, 32 }, 972 { EGL_ALPHA_SIZE, 0 }, 973 { EGL_BLUE_SIZE, 8 }, 974 { EGL_GREEN_SIZE, 8 }, 975 { EGL_RED_SIZE, 8 }, 976 { EGL_DEPTH_SIZE, 16 }, 977 { EGL_CONFIG_ID, 7 }, 978 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 979 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 980}; 981 982// 8888 configs 983static config_pair_t const config_4_attribute_list[] = { 984 { EGL_BUFFER_SIZE, 32 }, 985 { EGL_ALPHA_SIZE, 8 }, 986 { EGL_BLUE_SIZE, 8 }, 987 { EGL_GREEN_SIZE, 8 }, 988 { EGL_RED_SIZE, 8 }, 989 { EGL_DEPTH_SIZE, 0 }, 990 { EGL_CONFIG_ID, 2 }, 991 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 992 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 993}; 994 995static config_pair_t const config_5_attribute_list[] = { 996 { EGL_BUFFER_SIZE, 32 }, 997 { EGL_ALPHA_SIZE, 8 }, 998 { EGL_BLUE_SIZE, 8 }, 999 { EGL_GREEN_SIZE, 8 }, 1000 { EGL_RED_SIZE, 8 }, 1001 { EGL_DEPTH_SIZE, 16 }, 1002 { EGL_CONFIG_ID, 3 }, 1003 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1004 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1005}; 1006 1007// A8 configs 1008static config_pair_t const config_6_attribute_list[] = { 1009 { EGL_BUFFER_SIZE, 8 }, 1010 { EGL_ALPHA_SIZE, 8 }, 1011 { EGL_BLUE_SIZE, 0 }, 1012 { EGL_GREEN_SIZE, 0 }, 1013 { EGL_RED_SIZE, 0 }, 1014 { EGL_DEPTH_SIZE, 0 }, 1015 { EGL_CONFIG_ID, 4 }, 1016 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1017 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1018}; 1019 1020static config_pair_t const config_7_attribute_list[] = { 1021 { EGL_BUFFER_SIZE, 8 }, 1022 { EGL_ALPHA_SIZE, 8 }, 1023 { EGL_BLUE_SIZE, 0 }, 1024 { EGL_GREEN_SIZE, 0 }, 1025 { EGL_RED_SIZE, 0 }, 1026 { EGL_DEPTH_SIZE, 16 }, 1027 { EGL_CONFIG_ID, 5 }, 1028 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1029 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1030}; 1031 1032// BGRA 8888 config 1033static config_pair_t const config_8_attribute_list[] = { 1034 { EGL_BUFFER_SIZE, 32 }, 1035 { EGL_ALPHA_SIZE, 8 }, 1036 { EGL_BLUE_SIZE, 8 }, 1037 { EGL_GREEN_SIZE, 8 }, 1038 { EGL_RED_SIZE, 8 }, 1039 { EGL_DEPTH_SIZE, 0 }, 1040 { EGL_CONFIG_ID, 8 }, 1041 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_BGRA_8888 }, 1042 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1043}; 1044 1045static configs_t const gConfigs[] = { 1046 { config_0_attribute_list, NELEM(config_0_attribute_list) }, 1047 { config_1_attribute_list, NELEM(config_1_attribute_list) }, 1048 { config_2_attribute_list, NELEM(config_2_attribute_list) }, 1049 { config_3_attribute_list, NELEM(config_3_attribute_list) }, 1050 { config_4_attribute_list, NELEM(config_4_attribute_list) }, 1051 { config_5_attribute_list, NELEM(config_5_attribute_list) }, 1052 { config_6_attribute_list, NELEM(config_6_attribute_list) }, 1053 { config_7_attribute_list, NELEM(config_7_attribute_list) }, 1054 { config_8_attribute_list, NELEM(config_8_attribute_list) }, 1055}; 1056 1057static config_management_t const gConfigManagement[] = { 1058 { EGL_BUFFER_SIZE, config_management_t::atLeast }, 1059 { EGL_ALPHA_SIZE, config_management_t::atLeast }, 1060 { EGL_BLUE_SIZE, config_management_t::atLeast }, 1061 { EGL_GREEN_SIZE, config_management_t::atLeast }, 1062 { EGL_RED_SIZE, config_management_t::atLeast }, 1063 { EGL_DEPTH_SIZE, config_management_t::atLeast }, 1064 { EGL_STENCIL_SIZE, config_management_t::atLeast }, 1065 { EGL_CONFIG_CAVEAT, config_management_t::exact }, 1066 { EGL_CONFIG_ID, config_management_t::exact }, 1067 { EGL_LEVEL, config_management_t::exact }, 1068 { EGL_MAX_PBUFFER_HEIGHT, config_management_t::ignore }, 1069 { EGL_MAX_PBUFFER_PIXELS, config_management_t::ignore }, 1070 { EGL_MAX_PBUFFER_WIDTH, config_management_t::ignore }, 1071 { EGL_NATIVE_RENDERABLE, config_management_t::exact }, 1072 { EGL_NATIVE_VISUAL_ID, config_management_t::ignore }, 1073 { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, 1074 { EGL_SAMPLES, config_management_t::exact }, 1075 { EGL_SAMPLE_BUFFERS, config_management_t::exact }, 1076 { EGL_SURFACE_TYPE, config_management_t::mask }, 1077 { EGL_TRANSPARENT_TYPE, config_management_t::exact }, 1078 { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, 1079 { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, 1080 { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, 1081 { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, 1082 { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, 1083 { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, 1084 { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, 1085 { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, 1086 { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, 1087 { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, 1088 { EGL_RENDERABLE_TYPE, config_management_t::mask }, 1089 { EGL_CONFORMANT, config_management_t::mask } 1090}; 1091 1092 1093static config_pair_t const config_defaults[] = { 1094 // attributes that are not specified are simply ignored, if a particular 1095 // one needs not be ignored, it must be specified here, eg: 1096 // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, 1097}; 1098 1099// ---------------------------------------------------------------------------- 1100 1101static status_t getConfigFormatInfo(EGLint configID, 1102 int32_t& pixelFormat, int32_t& depthFormat) 1103{ 1104 switch(configID) { 1105 case 0: 1106 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1107 depthFormat = 0; 1108 break; 1109 case 1: 1110 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1111 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1112 break; 1113 case 2: 1114 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1115 depthFormat = 0; 1116 break; 1117 case 3: 1118 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1119 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1120 break; 1121 case 4: 1122 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1123 depthFormat = 0; 1124 break; 1125 case 5: 1126 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1127 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1128 break; 1129 case 6: 1130 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1131 depthFormat = 0; 1132 break; 1133 case 7: 1134 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1135 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1136 break; 1137 case 8: 1138 pixelFormat = GGL_PIXEL_FORMAT_BGRA_8888; 1139 depthFormat = 0; 1140 break; 1141 default: 1142 return NAME_NOT_FOUND; 1143 } 1144 return NO_ERROR; 1145} 1146 1147// ---------------------------------------------------------------------------- 1148 1149template<typename T> 1150static int binarySearch(T const sortedArray[], int first, int last, EGLint key) 1151{ 1152 while (first <= last) { 1153 int mid = (first + last) / 2; 1154 if (key > sortedArray[mid].key) { 1155 first = mid + 1; 1156 } else if (key < sortedArray[mid].key) { 1157 last = mid - 1; 1158 } else { 1159 return mid; 1160 } 1161 } 1162 return -1; 1163} 1164 1165static int isAttributeMatching(int i, EGLint attr, EGLint val) 1166{ 1167 // look for the attribute in all of our configs 1168 config_pair_t const* configFound = gConfigs[i].array; 1169 int index = binarySearch<config_pair_t>( 1170 gConfigs[i].array, 1171 0, gConfigs[i].size-1, 1172 attr); 1173 if (index < 0) { 1174 configFound = config_base_attribute_list; 1175 index = binarySearch<config_pair_t>( 1176 config_base_attribute_list, 1177 0, NELEM(config_base_attribute_list)-1, 1178 attr); 1179 } 1180 if (index >= 0) { 1181 // attribute found, check if this config could match 1182 int cfgMgtIndex = binarySearch<config_management_t>( 1183 gConfigManagement, 1184 0, NELEM(gConfigManagement)-1, 1185 attr); 1186 if (cfgMgtIndex >= 0) { 1187 bool match = gConfigManagement[cfgMgtIndex].match( 1188 val, configFound[index].value); 1189 if (match) { 1190 // this config matches 1191 return 1; 1192 } 1193 } else { 1194 // attribute not found. this should NEVER happen. 1195 } 1196 } else { 1197 // error, this attribute doesn't exist 1198 } 1199 return 0; 1200} 1201 1202static int makeCurrent(ogles_context_t* gl) 1203{ 1204 ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); 1205 if (gl) { 1206 egl_context_t* c = egl_context_t::context(gl); 1207 if (c->flags & egl_context_t::IS_CURRENT) { 1208 if (current != gl) { 1209 // it is an error to set a context current, if it's already 1210 // current to another thread 1211 return -1; 1212 } 1213 } else { 1214 if (current) { 1215 // mark the current context as not current, and flush 1216 glFlush(); 1217 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1218 } 1219 } 1220 if (!(c->flags & egl_context_t::IS_CURRENT)) { 1221 // The context is not current, make it current! 1222 setGlThreadSpecific(gl); 1223 c->flags |= egl_context_t::IS_CURRENT; 1224 } 1225 } else { 1226 if (current) { 1227 // mark the current context as not current, and flush 1228 glFlush(); 1229 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1230 } 1231 // this thread has no context attached to it 1232 setGlThreadSpecific(0); 1233 } 1234 return 0; 1235} 1236 1237static EGLBoolean getConfigAttrib(EGLDisplay /*dpy*/, EGLConfig config, 1238 EGLint attribute, EGLint *value) 1239{ 1240 size_t numConfigs = NELEM(gConfigs); 1241 int index = (int)(uintptr_t)config; 1242 if (uint32_t(index) >= numConfigs) 1243 return setError(EGL_BAD_CONFIG, EGL_FALSE); 1244 1245 int attrIndex; 1246 attrIndex = binarySearch<config_pair_t>( 1247 gConfigs[index].array, 1248 0, gConfigs[index].size-1, 1249 attribute); 1250 if (attrIndex>=0) { 1251 *value = gConfigs[index].array[attrIndex].value; 1252 return EGL_TRUE; 1253 } 1254 1255 attrIndex = binarySearch<config_pair_t>( 1256 config_base_attribute_list, 1257 0, NELEM(config_base_attribute_list)-1, 1258 attribute); 1259 if (attrIndex>=0) { 1260 *value = config_base_attribute_list[attrIndex].value; 1261 return EGL_TRUE; 1262 } 1263 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1264} 1265 1266static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, 1267 NativeWindowType window, const EGLint* /*attrib_list*/) 1268{ 1269 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1270 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1271 if (window == 0) 1272 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1273 1274 EGLint surfaceType; 1275 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1276 return EGL_FALSE; 1277 1278 if (!(surfaceType & EGL_WINDOW_BIT)) 1279 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1280 1281 if (static_cast<ANativeWindow*>(window)->common.magic != 1282 ANDROID_NATIVE_WINDOW_MAGIC) { 1283 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); 1284 } 1285 1286 EGLint configID; 1287 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1288 return EGL_FALSE; 1289 1290 int32_t depthFormat; 1291 int32_t pixelFormat; 1292 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1293 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1294 } 1295 1296 // FIXME: we don't have access to the pixelFormat here just yet. 1297 // (it's possible that the surface is not fully initialized) 1298 // maybe this should be done after the page-flip 1299 //if (EGLint(info.format) != pixelFormat) 1300 // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1301 1302 egl_surface_t* surface; 1303 surface = new egl_window_surface_v2_t(dpy, config, depthFormat, 1304 static_cast<ANativeWindow*>(window)); 1305 1306 if (!surface->initCheck()) { 1307 // there was a problem in the ctor, the error 1308 // flag has been set. 1309 delete surface; 1310 surface = 0; 1311 } 1312 return surface; 1313} 1314 1315static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, 1316 NativePixmapType pixmap, const EGLint* /*attrib_list*/) 1317{ 1318 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1319 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1320 if (pixmap == 0) 1321 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1322 1323 EGLint surfaceType; 1324 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1325 return EGL_FALSE; 1326 1327 if (!(surfaceType & EGL_PIXMAP_BIT)) 1328 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1329 1330 if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 1331 sizeof(egl_native_pixmap_t)) { 1332 return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); 1333 } 1334 1335 EGLint configID; 1336 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1337 return EGL_FALSE; 1338 1339 int32_t depthFormat; 1340 int32_t pixelFormat; 1341 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1342 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1343 } 1344 1345 if (pixmap->format != pixelFormat) 1346 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1347 1348 egl_surface_t* surface = 1349 new egl_pixmap_surface_t(dpy, config, depthFormat, 1350 static_cast<egl_native_pixmap_t*>(pixmap)); 1351 1352 if (!surface->initCheck()) { 1353 // there was a problem in the ctor, the error 1354 // flag has been set. 1355 delete surface; 1356 surface = 0; 1357 } 1358 return surface; 1359} 1360 1361static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, 1362 const EGLint *attrib_list) 1363{ 1364 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1365 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1366 1367 EGLint surfaceType; 1368 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1369 return EGL_FALSE; 1370 1371 if (!(surfaceType & EGL_PBUFFER_BIT)) 1372 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1373 1374 EGLint configID; 1375 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1376 return EGL_FALSE; 1377 1378 int32_t depthFormat; 1379 int32_t pixelFormat; 1380 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1381 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1382 } 1383 1384 int32_t w = 0; 1385 int32_t h = 0; 1386 while (attrib_list[0] != EGL_NONE) { 1387 if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; 1388 if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; 1389 attrib_list+=2; 1390 } 1391 1392 egl_surface_t* surface = 1393 new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); 1394 1395 if (!surface->initCheck()) { 1396 // there was a problem in the ctor, the error 1397 // flag has been set. 1398 delete surface; 1399 surface = 0; 1400 } 1401 return surface; 1402} 1403 1404// ---------------------------------------------------------------------------- 1405}; // namespace android 1406// ---------------------------------------------------------------------------- 1407 1408using namespace android; 1409 1410// ---------------------------------------------------------------------------- 1411// Initialization 1412// ---------------------------------------------------------------------------- 1413 1414EGLDisplay eglGetDisplay(NativeDisplayType display) 1415{ 1416#ifndef __ANDROID__ 1417 // this just needs to be done once 1418 if (gGLKey == -1) { 1419 pthread_mutex_lock(&gInitMutex); 1420 if (gGLKey == -1) 1421 pthread_key_create(&gGLKey, NULL); 1422 pthread_mutex_unlock(&gInitMutex); 1423 } 1424#endif 1425 if (display == EGL_DEFAULT_DISPLAY) { 1426 EGLDisplay dpy = (EGLDisplay)1; 1427 egl_display_t& d = egl_display_t::get_display(dpy); 1428 d.type = display; 1429 return dpy; 1430 } 1431 return EGL_NO_DISPLAY; 1432} 1433 1434EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) 1435{ 1436 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1437 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1438 1439 EGLBoolean res = EGL_TRUE; 1440 egl_display_t& d = egl_display_t::get_display(dpy); 1441 1442 if (d.initialized.fetch_add(1, std::memory_order_acquire) == 0) { 1443 // initialize stuff here if needed 1444 //pthread_mutex_lock(&gInitMutex); 1445 //pthread_mutex_unlock(&gInitMutex); 1446 } 1447 1448 if (res == EGL_TRUE) { 1449 if (major != NULL) *major = VERSION_MAJOR; 1450 if (minor != NULL) *minor = VERSION_MINOR; 1451 } 1452 return res; 1453} 1454 1455EGLBoolean eglTerminate(EGLDisplay dpy) 1456{ 1457 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1458 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1459 1460 EGLBoolean res = EGL_TRUE; 1461 egl_display_t& d = egl_display_t::get_display(dpy); 1462 if (d.initialized.fetch_sub(1, std::memory_order_release) == 1) { 1463 std::atomic_thread_fence(std::memory_order_acquire); 1464 // TODO: destroy all resources (surfaces, contexts, etc...) 1465 //pthread_mutex_lock(&gInitMutex); 1466 //pthread_mutex_unlock(&gInitMutex); 1467 } 1468 return res; 1469} 1470 1471// ---------------------------------------------------------------------------- 1472// configuration 1473// ---------------------------------------------------------------------------- 1474 1475EGLBoolean eglGetConfigs( EGLDisplay dpy, 1476 EGLConfig *configs, 1477 EGLint config_size, EGLint *num_config) 1478{ 1479 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1480 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1481 1482 if (ggl_unlikely(num_config==NULL)) 1483 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1484 1485 GLint numConfigs = NELEM(gConfigs); 1486 if (!configs) { 1487 *num_config = numConfigs; 1488 return EGL_TRUE; 1489 } 1490 GLint i; 1491 for (i=0 ; i<numConfigs && i<config_size ; i++) { 1492 *configs++ = (EGLConfig)(uintptr_t)i; 1493 } 1494 *num_config = i; 1495 return EGL_TRUE; 1496} 1497 1498EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, 1499 EGLConfig *configs, EGLint config_size, 1500 EGLint *num_config) 1501{ 1502 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1503 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1504 1505 if (ggl_unlikely(num_config==NULL)) { 1506 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1507 } 1508 1509 if (ggl_unlikely(attrib_list==0)) { 1510 /* 1511 * A NULL attrib_list should be treated as though it was an empty 1512 * one (terminated with EGL_NONE) as defined in 1513 * section 3.4.1 "Querying Configurations" in the EGL specification. 1514 */ 1515 static const EGLint dummy = EGL_NONE; 1516 attrib_list = &dummy; 1517 } 1518 1519 int numAttributes = 0; 1520 int numConfigs = NELEM(gConfigs); 1521 uint32_t possibleMatch = (1<<numConfigs)-1; 1522 while(possibleMatch && *attrib_list != EGL_NONE) { 1523 numAttributes++; 1524 EGLint attr = *attrib_list++; 1525 EGLint val = *attrib_list++; 1526 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1527 if (!(possibleMatch & (1<<i))) 1528 continue; 1529 if (isAttributeMatching(i, attr, val) == 0) { 1530 possibleMatch &= ~(1<<i); 1531 } 1532 } 1533 } 1534 1535 // now, handle the attributes which have a useful default value 1536 for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) { 1537 // see if this attribute was specified, if not, apply its 1538 // default value 1539 if (binarySearch<config_pair_t>( 1540 (config_pair_t const*)attrib_list, 1541 0, numAttributes-1, 1542 config_defaults[j].key) < 0) 1543 { 1544 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1545 if (!(possibleMatch & (1<<i))) 1546 continue; 1547 if (isAttributeMatching(i, 1548 config_defaults[j].key, 1549 config_defaults[j].value) == 0) 1550 { 1551 possibleMatch &= ~(1<<i); 1552 } 1553 } 1554 } 1555 } 1556 1557 // return the configurations found 1558 int n=0; 1559 if (possibleMatch) { 1560 if (configs) { 1561 for (int i=0 ; config_size && i<numConfigs ; i++) { 1562 if (possibleMatch & (1<<i)) { 1563 *configs++ = (EGLConfig)(uintptr_t)i; 1564 config_size--; 1565 n++; 1566 } 1567 } 1568 } else { 1569 for (int i=0 ; i<numConfigs ; i++) { 1570 if (possibleMatch & (1<<i)) { 1571 n++; 1572 } 1573 } 1574 } 1575 } 1576 *num_config = n; 1577 return EGL_TRUE; 1578} 1579 1580EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, 1581 EGLint attribute, EGLint *value) 1582{ 1583 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1584 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1585 1586 return getConfigAttrib(dpy, config, attribute, value); 1587} 1588 1589// ---------------------------------------------------------------------------- 1590// surfaces 1591// ---------------------------------------------------------------------------- 1592 1593EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, 1594 NativeWindowType window, 1595 const EGLint *attrib_list) 1596{ 1597 return createWindowSurface(dpy, config, window, attrib_list); 1598} 1599 1600EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, 1601 NativePixmapType pixmap, 1602 const EGLint *attrib_list) 1603{ 1604 return createPixmapSurface(dpy, config, pixmap, attrib_list); 1605} 1606 1607EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, 1608 const EGLint *attrib_list) 1609{ 1610 return createPbufferSurface(dpy, config, attrib_list); 1611} 1612 1613EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) 1614{ 1615 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1616 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1617 if (eglSurface != EGL_NO_SURFACE) { 1618 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); 1619 if (!surface->isValid()) 1620 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1621 if (surface->dpy != dpy) 1622 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1623 if (surface->ctx) { 1624 // defer disconnect/delete until no longer current 1625 surface->zombie = true; 1626 } else { 1627 surface->disconnect(); 1628 delete surface; 1629 } 1630 } 1631 return EGL_TRUE; 1632} 1633 1634EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, 1635 EGLint attribute, EGLint *value) 1636{ 1637 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1638 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1639 egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); 1640 if (!surface->isValid()) 1641 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1642 if (surface->dpy != dpy) 1643 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1644 1645 EGLBoolean ret = EGL_TRUE; 1646 switch (attribute) { 1647 case EGL_CONFIG_ID: 1648 ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); 1649 break; 1650 case EGL_WIDTH: 1651 *value = surface->getWidth(); 1652 break; 1653 case EGL_HEIGHT: 1654 *value = surface->getHeight(); 1655 break; 1656 case EGL_LARGEST_PBUFFER: 1657 // not modified for a window or pixmap surface 1658 break; 1659 case EGL_TEXTURE_FORMAT: 1660 *value = EGL_NO_TEXTURE; 1661 break; 1662 case EGL_TEXTURE_TARGET: 1663 *value = EGL_NO_TEXTURE; 1664 break; 1665 case EGL_MIPMAP_TEXTURE: 1666 *value = EGL_FALSE; 1667 break; 1668 case EGL_MIPMAP_LEVEL: 1669 *value = 0; 1670 break; 1671 case EGL_RENDER_BUFFER: 1672 // TODO: return the real RENDER_BUFFER here 1673 *value = EGL_BACK_BUFFER; 1674 break; 1675 case EGL_HORIZONTAL_RESOLUTION: 1676 // pixel/mm * EGL_DISPLAY_SCALING 1677 *value = surface->getHorizontalResolution(); 1678 break; 1679 case EGL_VERTICAL_RESOLUTION: 1680 // pixel/mm * EGL_DISPLAY_SCALING 1681 *value = surface->getVerticalResolution(); 1682 break; 1683 case EGL_PIXEL_ASPECT_RATIO: { 1684 // w/h * EGL_DISPLAY_SCALING 1685 int wr = surface->getHorizontalResolution(); 1686 int hr = surface->getVerticalResolution(); 1687 *value = (wr * EGL_DISPLAY_SCALING) / hr; 1688 } break; 1689 case EGL_SWAP_BEHAVIOR: 1690 *value = surface->getSwapBehavior(); 1691 break; 1692 default: 1693 ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1694 } 1695 return ret; 1696} 1697 1698EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, 1699 EGLContext /*share_list*/, const EGLint* /*attrib_list*/) 1700{ 1701 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1702 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1703 1704 ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); 1705 if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); 1706 1707 egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); 1708 c->flags = egl_context_t::NEVER_CURRENT; 1709 c->dpy = dpy; 1710 c->config = config; 1711 c->read = 0; 1712 c->draw = 0; 1713 return (EGLContext)gl; 1714} 1715 1716EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) 1717{ 1718 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1719 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1720 egl_context_t* c = egl_context_t::context(ctx); 1721 if (c->flags & egl_context_t::IS_CURRENT) 1722 setGlThreadSpecific(0); 1723 ogles_uninit((ogles_context_t*)ctx); 1724 return EGL_TRUE; 1725} 1726 1727EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, 1728 EGLSurface read, EGLContext ctx) 1729{ 1730 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1731 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1732 if (draw) { 1733 egl_surface_t* s = (egl_surface_t*)draw; 1734 if (!s->isValid()) 1735 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1736 if (s->dpy != dpy) 1737 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1738 // TODO: check that draw is compatible with the context 1739 } 1740 if (read && read!=draw) { 1741 egl_surface_t* s = (egl_surface_t*)read; 1742 if (!s->isValid()) 1743 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1744 if (s->dpy != dpy) 1745 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1746 // TODO: check that read is compatible with the context 1747 } 1748 1749 EGLContext current_ctx = EGL_NO_CONTEXT; 1750 1751 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) 1752 return setError(EGL_BAD_MATCH, EGL_FALSE); 1753 1754 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) 1755 return setError(EGL_BAD_MATCH, EGL_FALSE); 1756 1757 if (ctx == EGL_NO_CONTEXT) { 1758 // if we're detaching, we need the current context 1759 current_ctx = (EGLContext)getGlThreadSpecific(); 1760 } else { 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 if ((d && d->ctx && d->ctx != ctx) || 1765 (r && r->ctx && r->ctx != ctx)) { 1766 // one of the surface is bound to a context in another thread 1767 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1768 } 1769 } 1770 1771 ogles_context_t* gl = (ogles_context_t*)ctx; 1772 if (makeCurrent(gl) == 0) { 1773 if (ctx) { 1774 egl_context_t* c = egl_context_t::context(ctx); 1775 egl_surface_t* d = (egl_surface_t*)draw; 1776 egl_surface_t* r = (egl_surface_t*)read; 1777 1778 if (c->draw) { 1779 egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); 1780 s->disconnect(); 1781 s->ctx = EGL_NO_CONTEXT; 1782 if (s->zombie) 1783 delete s; 1784 } 1785 if (c->read) { 1786 // FIXME: unlock/disconnect the read surface too 1787 } 1788 1789 c->draw = draw; 1790 c->read = read; 1791 1792 if (c->flags & egl_context_t::NEVER_CURRENT) { 1793 c->flags &= ~egl_context_t::NEVER_CURRENT; 1794 GLint w = 0; 1795 GLint h = 0; 1796 if (draw) { 1797 w = d->getWidth(); 1798 h = d->getHeight(); 1799 } 1800 ogles_surfaceport(gl, 0, 0); 1801 ogles_viewport(gl, 0, 0, w, h); 1802 ogles_scissor(gl, 0, 0, w, h); 1803 } 1804 if (d) { 1805 if (d->connect() == EGL_FALSE) { 1806 return EGL_FALSE; 1807 } 1808 d->ctx = ctx; 1809 d->bindDrawSurface(gl); 1810 } 1811 if (r) { 1812 // FIXME: lock/connect the read surface too 1813 r->ctx = ctx; 1814 r->bindReadSurface(gl); 1815 } 1816 } else { 1817 // if surfaces were bound to the context bound to this thread 1818 // mark then as unbound. 1819 if (current_ctx) { 1820 egl_context_t* c = egl_context_t::context(current_ctx); 1821 egl_surface_t* d = (egl_surface_t*)c->draw; 1822 egl_surface_t* r = (egl_surface_t*)c->read; 1823 if (d) { 1824 c->draw = 0; 1825 d->disconnect(); 1826 d->ctx = EGL_NO_CONTEXT; 1827 if (d->zombie) 1828 delete d; 1829 } 1830 if (r) { 1831 c->read = 0; 1832 r->ctx = EGL_NO_CONTEXT; 1833 // FIXME: unlock/disconnect the read surface too 1834 } 1835 } 1836 } 1837 return EGL_TRUE; 1838 } 1839 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1840} 1841 1842EGLContext eglGetCurrentContext(void) 1843{ 1844 // eglGetCurrentContext returns the current EGL rendering context, 1845 // as specified by eglMakeCurrent. If no context is current, 1846 // EGL_NO_CONTEXT is returned. 1847 return (EGLContext)getGlThreadSpecific(); 1848} 1849 1850EGLSurface eglGetCurrentSurface(EGLint readdraw) 1851{ 1852 // eglGetCurrentSurface returns the read or draw surface attached 1853 // to the current EGL rendering context, as specified by eglMakeCurrent. 1854 // If no context is current, EGL_NO_SURFACE is returned. 1855 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1856 if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; 1857 egl_context_t* c = egl_context_t::context(ctx); 1858 if (readdraw == EGL_READ) { 1859 return c->read; 1860 } else if (readdraw == EGL_DRAW) { 1861 return c->draw; 1862 } 1863 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); 1864} 1865 1866EGLDisplay eglGetCurrentDisplay(void) 1867{ 1868 // eglGetCurrentDisplay returns the current EGL display connection 1869 // for the current EGL rendering context, as specified by eglMakeCurrent. 1870 // If no context is current, EGL_NO_DISPLAY is returned. 1871 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1872 if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; 1873 egl_context_t* c = egl_context_t::context(ctx); 1874 return c->dpy; 1875} 1876 1877EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, 1878 EGLint attribute, EGLint *value) 1879{ 1880 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1881 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1882 egl_context_t* c = egl_context_t::context(ctx); 1883 switch (attribute) { 1884 case EGL_CONFIG_ID: 1885 // Returns the ID of the EGL frame buffer configuration with 1886 // respect to which the context was created 1887 return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); 1888 } 1889 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1890} 1891 1892EGLBoolean eglWaitGL(void) 1893{ 1894 return EGL_TRUE; 1895} 1896 1897EGLBoolean eglWaitNative(EGLint /*engine*/) 1898{ 1899 return EGL_TRUE; 1900} 1901 1902EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) 1903{ 1904 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1905 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1906 1907 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 1908 if (!d->isValid()) 1909 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1910 if (d->dpy != dpy) 1911 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1912 1913 // post the surface 1914 d->swapBuffers(); 1915 1916 // if it's bound to a context, update the buffer 1917 if (d->ctx != EGL_NO_CONTEXT) { 1918 d->bindDrawSurface((ogles_context_t*)d->ctx); 1919 // if this surface is also the read surface of the context 1920 // it is bound to, make sure to update the read buffer as well. 1921 // The EGL spec is a little unclear about this. 1922 egl_context_t* c = egl_context_t::context(d->ctx); 1923 if (c->read == draw) { 1924 d->bindReadSurface((ogles_context_t*)d->ctx); 1925 } 1926 } 1927 1928 return EGL_TRUE; 1929} 1930 1931EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface /*surface*/, 1932 NativePixmapType /*target*/) 1933{ 1934 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1935 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1936 // TODO: eglCopyBuffers() 1937 return EGL_FALSE; 1938} 1939 1940EGLint eglGetError(void) 1941{ 1942 return getError(); 1943} 1944 1945const char* eglQueryString(EGLDisplay dpy, EGLint name) 1946{ 1947 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1948 return setError(EGL_BAD_DISPLAY, (const char*)0); 1949 1950 switch (name) { 1951 case EGL_VENDOR: 1952 return gVendorString; 1953 case EGL_VERSION: 1954 return gVersionString; 1955 case EGL_EXTENSIONS: 1956 return gExtensionsString; 1957 case EGL_CLIENT_APIS: 1958 return gClientApiString; 1959 } 1960 return setError(EGL_BAD_PARAMETER, (const char *)0); 1961} 1962 1963// ---------------------------------------------------------------------------- 1964// EGL 1.1 1965// ---------------------------------------------------------------------------- 1966 1967EGLBoolean eglSurfaceAttrib( 1968 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*attribute*/, EGLint /*value*/) 1969{ 1970 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1971 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1972 // TODO: eglSurfaceAttrib() 1973 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1974} 1975 1976EGLBoolean eglBindTexImage( 1977 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1978{ 1979 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1980 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1981 // TODO: eglBindTexImage() 1982 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1983} 1984 1985EGLBoolean eglReleaseTexImage( 1986 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1987{ 1988 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1989 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1990 // TODO: eglReleaseTexImage() 1991 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1992} 1993 1994EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint /*interval*/) 1995{ 1996 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1997 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1998 // TODO: eglSwapInterval() 1999 return EGL_TRUE; 2000} 2001 2002// ---------------------------------------------------------------------------- 2003// EGL 1.2 2004// ---------------------------------------------------------------------------- 2005 2006EGLBoolean eglBindAPI(EGLenum api) 2007{ 2008 if (api != EGL_OPENGL_ES_API) 2009 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2010 return EGL_TRUE; 2011} 2012 2013EGLenum eglQueryAPI(void) 2014{ 2015 return EGL_OPENGL_ES_API; 2016} 2017 2018EGLBoolean eglWaitClient(void) 2019{ 2020 glFinish(); 2021 return EGL_TRUE; 2022} 2023 2024EGLBoolean eglReleaseThread(void) 2025{ 2026 // TODO: eglReleaseThread() 2027 return EGL_TRUE; 2028} 2029 2030EGLSurface eglCreatePbufferFromClientBuffer( 2031 EGLDisplay dpy, EGLenum /*buftype*/, EGLClientBuffer /*buffer*/, 2032 EGLConfig /*config*/, const EGLint* /*attrib_list*/) 2033{ 2034 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2035 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 2036 // TODO: eglCreatePbufferFromClientBuffer() 2037 return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); 2038} 2039 2040// ---------------------------------------------------------------------------- 2041// EGL_EGLEXT_VERSION 3 2042// ---------------------------------------------------------------------------- 2043 2044void (*eglGetProcAddress (const char *procname))() 2045{ 2046 extention_map_t const * const map = gExtentionMap; 2047 for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { 2048 if (!strcmp(procname, map[i].name)) { 2049 return map[i].address; 2050 } 2051 } 2052 return NULL; 2053} 2054 2055EGLBoolean eglLockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/, 2056 const EGLint* /*attrib_list*/) 2057{ 2058 EGLBoolean result = EGL_FALSE; 2059 return result; 2060} 2061 2062EGLBoolean eglUnlockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/) 2063{ 2064 EGLBoolean result = EGL_FALSE; 2065 return result; 2066} 2067 2068EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, 2069 EGLClientBuffer buffer, const EGLint* /*attrib_list*/) 2070{ 2071 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2072 return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); 2073 } 2074 if (ctx != EGL_NO_CONTEXT) { 2075 return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); 2076 } 2077 if (target != EGL_NATIVE_BUFFER_ANDROID) { 2078 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2079 } 2080 2081 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer; 2082 2083 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2084 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2085 2086 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2087 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2088 2089 switch (native_buffer->format) { 2090 case HAL_PIXEL_FORMAT_RGBA_8888: 2091 case HAL_PIXEL_FORMAT_RGBX_8888: 2092 case HAL_PIXEL_FORMAT_RGB_888: 2093 case HAL_PIXEL_FORMAT_RGB_565: 2094 case HAL_PIXEL_FORMAT_BGRA_8888: 2095 break; 2096 default: 2097 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2098 } 2099 2100 native_buffer->common.incRef(&native_buffer->common); 2101 return (EGLImageKHR)native_buffer; 2102} 2103 2104EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) 2105{ 2106 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2107 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2108 } 2109 2110 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img; 2111 2112 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2113 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2114 2115 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2116 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2117 2118 native_buffer->common.decRef(&native_buffer->common); 2119 2120 return EGL_TRUE; 2121} 2122 2123// ---------------------------------------------------------------------------- 2124// EGL_KHR_fence_sync 2125// ---------------------------------------------------------------------------- 2126 2127#define FENCE_SYNC_HANDLE ((EGLSyncKHR)0xFE4CE) 2128 2129EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, 2130 const EGLint *attrib_list) 2131{ 2132 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2133 return setError(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR); 2134 } 2135 2136 if (type != EGL_SYNC_FENCE_KHR || 2137 (attrib_list != NULL && attrib_list[0] != EGL_NONE)) { 2138 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR); 2139 } 2140 2141 if (eglGetCurrentContext() == EGL_NO_CONTEXT) { 2142 return setError(EGL_BAD_MATCH, EGL_NO_SYNC_KHR); 2143 } 2144 2145 // AGL is synchronous; nothing to do here. 2146 2147 return FENCE_SYNC_HANDLE; 2148} 2149 2150EGLBoolean eglDestroySyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync) 2151{ 2152 if (sync != FENCE_SYNC_HANDLE) { 2153 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2154 } 2155 2156 return EGL_TRUE; 2157} 2158 2159EGLint eglClientWaitSyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, EGLint /*flags*/, 2160 EGLTimeKHR /*timeout*/) 2161{ 2162 if (sync != FENCE_SYNC_HANDLE) { 2163 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2164 } 2165 2166 return EGL_CONDITION_SATISFIED_KHR; 2167} 2168 2169EGLBoolean eglGetSyncAttribKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, 2170 EGLint attribute, EGLint *value) 2171{ 2172 if (sync != FENCE_SYNC_HANDLE) { 2173 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2174 } 2175 2176 switch (attribute) { 2177 case EGL_SYNC_TYPE_KHR: 2178 *value = EGL_SYNC_FENCE_KHR; 2179 return EGL_TRUE; 2180 case EGL_SYNC_STATUS_KHR: 2181 *value = EGL_SIGNALED_KHR; 2182 return EGL_TRUE; 2183 case EGL_SYNC_CONDITION_KHR: 2184 *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; 2185 return EGL_TRUE; 2186 default: 2187 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 2188 } 2189} 2190 2191// ---------------------------------------------------------------------------- 2192// ANDROID extensions 2193// ---------------------------------------------------------------------------- 2194 2195EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 2196 EGLint left, EGLint top, EGLint width, EGLint height) 2197{ 2198 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2199 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2200 2201 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2202 if (!d->isValid()) 2203 return setError(EGL_BAD_SURFACE, EGL_FALSE); 2204 if (d->dpy != dpy) 2205 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2206 2207 // post the surface 2208 d->setSwapRectangle(left, top, width, height); 2209 2210 return EGL_TRUE; 2211} 2212