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 56 EGLBoolean EGLAPI eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 57 EGLint left, EGLint top, EGLint width, EGLint height); 58 59 60 typedef struct egl_native_pixmap_t 61 { 62 int32_t version; /* must be 32 */ 63 int32_t width; 64 int32_t height; 65 int32_t stride; 66 uint8_t* data; 67 uint8_t format; 68 uint8_t rfu[3]; 69 union { 70 uint32_t compressedFormat; 71 int32_t vstride; 72 }; 73 int32_t reserved; 74 } egl_native_pixmap_t; 75 76 77 // ---------------------------------------------------------------------------- 78 namespace android { 79 80 // ---------------------------------------------------------------------------- 81 82 const unsigned int NUM_DISPLAYS = 1; 83 84 static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; 85 static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; 86 static pthread_key_t gEGLErrorKey = -1; 87 #ifndef __ANDROID__ 88 namespace gl { 89 pthread_key_t gGLKey = -1; 90 }; // namespace gl 91 #endif 92 93 template<typename T> 94 static T setError(GLint error, T returnValue) { 95 if (ggl_unlikely(gEGLErrorKey == -1)) { 96 pthread_mutex_lock(&gErrorKeyMutex); 97 if (gEGLErrorKey == -1) 98 pthread_key_create(&gEGLErrorKey, NULL); 99 pthread_mutex_unlock(&gErrorKeyMutex); 100 } 101 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)error); 102 return returnValue; 103 } 104 105 static GLint getError() { 106 if (ggl_unlikely(gEGLErrorKey == -1)) 107 return EGL_SUCCESS; 108 GLint error = (GLint)(uintptr_t)pthread_getspecific(gEGLErrorKey); 109 if (error == 0) { 110 // The TLS key has been created by another thread, but the value for 111 // this thread has not been initialized. 112 return EGL_SUCCESS; 113 } 114 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)EGL_SUCCESS); 115 return error; 116 } 117 118 // ---------------------------------------------------------------------------- 119 120 struct egl_display_t 121 { 122 egl_display_t() : type(0), initialized(0) { } 123 124 static egl_display_t& get_display(EGLDisplay dpy); 125 126 static EGLBoolean is_valid(EGLDisplay dpy) { 127 return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; 128 } 129 130 NativeDisplayType type; 131 std::atomic_size_t initialized; 132 }; 133 134 static egl_display_t gDisplays[NUM_DISPLAYS]; 135 136 egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { 137 return gDisplays[uintptr_t(dpy)-1U]; 138 } 139 140 struct egl_context_t { 141 enum { 142 IS_CURRENT = 0x00010000, 143 NEVER_CURRENT = 0x00020000 144 }; 145 uint32_t flags; 146 EGLDisplay dpy; 147 EGLConfig config; 148 EGLSurface read; 149 EGLSurface draw; 150 151 static inline egl_context_t* context(EGLContext ctx) { 152 ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); 153 return static_cast<egl_context_t*>(gl->rasterizer.base); 154 } 155 }; 156 157 // ---------------------------------------------------------------------------- 158 159 struct egl_surface_t 160 { 161 enum { 162 PAGE_FLIP = 0x00000001, 163 MAGIC = 0x31415265 164 }; 165 166 uint32_t magic; 167 EGLDisplay dpy; 168 EGLConfig config; 169 EGLContext ctx; 170 bool zombie; 171 172 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); 173 virtual ~egl_surface_t(); 174 bool isValid() const; 175 virtual bool initCheck() const = 0; 176 177 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; 178 virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; 179 virtual EGLBoolean connect() { return EGL_TRUE; } 180 virtual void disconnect() {} 181 virtual EGLint getWidth() const = 0; 182 virtual EGLint getHeight() const = 0; 183 184 virtual EGLint getHorizontalResolution() const; 185 virtual EGLint getVerticalResolution() const; 186 virtual EGLint getRefreshRate() const; 187 virtual EGLint getSwapBehavior() const; 188 virtual EGLBoolean swapBuffers(); 189 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 190 protected: 191 GGLSurface depth; 192 }; 193 194 egl_surface_t::egl_surface_t(EGLDisplay dpy, 195 EGLConfig config, 196 int32_t depthFormat) 197 : magic(MAGIC), dpy(dpy), config(config), ctx(0), zombie(false) 198 { 199 depth.version = sizeof(GGLSurface); 200 depth.data = 0; 201 depth.format = depthFormat; 202 } 203 egl_surface_t::~egl_surface_t() 204 { 205 magic = 0; 206 free(depth.data); 207 } 208 bool egl_surface_t::isValid() const { 209 ALOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); 210 return magic == MAGIC; 211 } 212 213 EGLBoolean egl_surface_t::swapBuffers() { 214 return EGL_FALSE; 215 } 216 EGLint egl_surface_t::getHorizontalResolution() const { 217 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 218 } 219 EGLint egl_surface_t::getVerticalResolution() const { 220 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 221 } 222 EGLint egl_surface_t::getRefreshRate() const { 223 return (60 * EGL_DISPLAY_SCALING); 224 } 225 EGLint egl_surface_t::getSwapBehavior() const { 226 return EGL_BUFFER_PRESERVED; 227 } 228 EGLBoolean egl_surface_t::setSwapRectangle( 229 EGLint /*l*/, EGLint /*t*/, EGLint /*w*/, EGLint /*h*/) 230 { 231 return EGL_FALSE; 232 } 233 234 // ---------------------------------------------------------------------------- 235 236 struct egl_window_surface_v2_t : public egl_surface_t 237 { 238 egl_window_surface_v2_t( 239 EGLDisplay dpy, EGLConfig config, 240 int32_t depthFormat, 241 ANativeWindow* window); 242 243 ~egl_window_surface_v2_t(); 244 245 virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails 246 virtual EGLBoolean swapBuffers(); 247 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 248 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 249 virtual EGLBoolean connect(); 250 virtual void disconnect(); 251 virtual EGLint getWidth() const { return width; } 252 virtual EGLint getHeight() const { return height; } 253 virtual EGLint getHorizontalResolution() const; 254 virtual EGLint getVerticalResolution() const; 255 virtual EGLint getRefreshRate() const; 256 virtual EGLint getSwapBehavior() const; 257 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 258 259 private: 260 status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr); 261 status_t unlock(ANativeWindowBuffer* buf); 262 ANativeWindow* nativeWindow; 263 ANativeWindowBuffer* buffer; 264 ANativeWindowBuffer* previousBuffer; 265 int width; 266 int height; 267 void* bits; 268 GGLFormat const* pixelFormatTable; 269 270 struct Rect { 271 inline Rect() { }; 272 inline Rect(int32_t w, int32_t h) 273 : left(0), top(0), right(w), bottom(h) { } 274 inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) 275 : left(l), top(t), right(r), bottom(b) { } 276 Rect& andSelf(const Rect& r) { 277 left = max(left, r.left); 278 top = max(top, r.top); 279 right = min(right, r.right); 280 bottom = min(bottom, r.bottom); 281 return *this; 282 } 283 bool isEmpty() const { 284 return (left>=right || top>=bottom); 285 } 286 void dump(char const* what) { 287 ALOGD("%s { %5d, %5d, w=%5d, h=%5d }", 288 what, left, top, right-left, bottom-top); 289 } 290 291 int32_t left; 292 int32_t top; 293 int32_t right; 294 int32_t bottom; 295 }; 296 297 struct Region { 298 inline Region() : count(0) { } 299 typedef Rect const* const_iterator; 300 const_iterator begin() const { return storage; } 301 const_iterator end() const { return storage+count; } 302 static Region subtract(const Rect& lhs, const Rect& rhs) { 303 Region reg; 304 Rect* storage = reg.storage; 305 if (!lhs.isEmpty()) { 306 if (lhs.top < rhs.top) { // top rect 307 storage->left = lhs.left; 308 storage->top = lhs.top; 309 storage->right = lhs.right; 310 storage->bottom = rhs.top; 311 storage++; 312 } 313 const int32_t top = max(lhs.top, rhs.top); 314 const int32_t bot = min(lhs.bottom, rhs.bottom); 315 if (top < bot) { 316 if (lhs.left < rhs.left) { // left-side rect 317 storage->left = lhs.left; 318 storage->top = top; 319 storage->right = rhs.left; 320 storage->bottom = bot; 321 storage++; 322 } 323 if (lhs.right > rhs.right) { // right-side rect 324 storage->left = rhs.right; 325 storage->top = top; 326 storage->right = lhs.right; 327 storage->bottom = bot; 328 storage++; 329 } 330 } 331 if (lhs.bottom > rhs.bottom) { // bottom rect 332 storage->left = lhs.left; 333 storage->top = rhs.bottom; 334 storage->right = lhs.right; 335 storage->bottom = lhs.bottom; 336 storage++; 337 } 338 reg.count = storage - reg.storage; 339 } 340 return reg; 341 } 342 bool isEmpty() const { 343 return count<=0; 344 } 345 private: 346 Rect storage[4]; 347 ssize_t count; 348 }; 349 350 void copyBlt( 351 ANativeWindowBuffer* dst, void* dst_vaddr, 352 ANativeWindowBuffer* src, void const* src_vaddr, 353 const Region& clip); 354 355 Rect dirtyRegion; 356 Rect oldDirtyRegion; 357 }; 358 359 egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, 360 EGLConfig config, 361 int32_t depthFormat, 362 ANativeWindow* window) 363 : egl_surface_t(dpy, config, depthFormat), 364 nativeWindow(window), buffer(0), previousBuffer(0), bits(NULL) 365 { 366 367 pixelFormatTable = gglGetPixelFormatTable(); 368 369 // keep a reference on the window 370 nativeWindow->common.incRef(&nativeWindow->common); 371 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); 372 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); 373 } 374 375 egl_window_surface_v2_t::~egl_window_surface_v2_t() { 376 if (buffer) { 377 buffer->common.decRef(&buffer->common); 378 } 379 if (previousBuffer) { 380 previousBuffer->common.decRef(&previousBuffer->common); 381 } 382 nativeWindow->common.decRef(&nativeWindow->common); 383 } 384 385 EGLBoolean egl_window_surface_v2_t::connect() 386 { 387 // we're intending to do software rendering 388 native_window_set_usage(nativeWindow, 389 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); 390 391 // dequeue a buffer 392 int fenceFd = -1; 393 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, 394 &fenceFd) != NO_ERROR) { 395 return setError(EGL_BAD_ALLOC, EGL_FALSE); 396 } 397 398 // wait for the buffer 399 sp<Fence> fence(new Fence(fenceFd)); 400 if (fence->wait(Fence::TIMEOUT_NEVER) != NO_ERROR) { 401 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 402 return setError(EGL_BAD_ALLOC, EGL_FALSE); 403 } 404 405 // allocate a corresponding depth-buffer 406 width = buffer->width; 407 height = buffer->height; 408 if (depth.format) { 409 depth.width = width; 410 depth.height = height; 411 depth.stride = depth.width; // use the width here 412 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 413 static_cast<uint64_t>(depth.height) * 2; 414 if (depth.stride < 0 || depth.height > INT_MAX || 415 allocSize > UINT32_MAX) { 416 return setError(EGL_BAD_ALLOC, EGL_FALSE); 417 } 418 depth.data = (GGLubyte*)malloc(allocSize); 419 if (depth.data == 0) { 420 return setError(EGL_BAD_ALLOC, EGL_FALSE); 421 } 422 } 423 424 // keep a reference on the buffer 425 buffer->common.incRef(&buffer->common); 426 427 // pin the buffer down 428 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 429 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 430 ALOGE("connect() failed to lock buffer %p (%ux%u)", 431 buffer, buffer->width, buffer->height); 432 return setError(EGL_BAD_ACCESS, EGL_FALSE); 433 // FIXME: we should make sure we're not accessing the buffer anymore 434 } 435 return EGL_TRUE; 436 } 437 438 void egl_window_surface_v2_t::disconnect() 439 { 440 if (buffer && bits) { 441 bits = NULL; 442 unlock(buffer); 443 } 444 if (buffer) { 445 nativeWindow->cancelBuffer(nativeWindow, buffer, -1); 446 buffer->common.decRef(&buffer->common); 447 buffer = 0; 448 } 449 if (previousBuffer) { 450 previousBuffer->common.decRef(&previousBuffer->common); 451 previousBuffer = 0; 452 } 453 } 454 455 status_t egl_window_surface_v2_t::lock( 456 ANativeWindowBuffer* buf, int usage, void** vaddr) 457 { 458 auto& mapper = GraphicBufferMapper::get(); 459 return mapper.lock(buf->handle, usage, 460 android::Rect(buf->width, buf->height), vaddr); 461 } 462 463 status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf) 464 { 465 if (!buf) return BAD_VALUE; 466 auto& mapper = GraphicBufferMapper::get(); 467 return mapper.unlock(buf->handle); 468 } 469 470 void egl_window_surface_v2_t::copyBlt( 471 ANativeWindowBuffer* dst, void* dst_vaddr, 472 ANativeWindowBuffer* src, void const* src_vaddr, 473 const Region& clip) 474 { 475 // NOTE: dst and src must be the same format 476 477 Region::const_iterator cur = clip.begin(); 478 Region::const_iterator end = clip.end(); 479 480 const size_t bpp = pixelFormatTable[src->format].size; 481 const size_t dbpr = dst->stride * bpp; 482 const size_t sbpr = src->stride * bpp; 483 484 uint8_t const * const src_bits = (uint8_t const *)src_vaddr; 485 uint8_t * const dst_bits = (uint8_t *)dst_vaddr; 486 487 while (cur != end) { 488 const Rect& r(*cur++); 489 ssize_t w = r.right - r.left; 490 ssize_t h = r.bottom - r.top; 491 if (w <= 0 || h<=0) continue; 492 size_t size = w * bpp; 493 uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; 494 uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; 495 if (dbpr==sbpr && size==sbpr) { 496 size *= h; 497 h = 1; 498 } 499 do { 500 memcpy(d, s, size); 501 d += dbpr; 502 s += sbpr; 503 } while (--h > 0); 504 } 505 } 506 507 EGLBoolean egl_window_surface_v2_t::swapBuffers() 508 { 509 if (!buffer) { 510 return setError(EGL_BAD_ACCESS, EGL_FALSE); 511 } 512 513 /* 514 * Handle eglSetSwapRectangleANDROID() 515 * We copyback from the front buffer 516 */ 517 if (!dirtyRegion.isEmpty()) { 518 dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); 519 if (previousBuffer) { 520 // This was const Region copyBack, but that causes an 521 // internal compile error on simulator builds 522 /*const*/ Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); 523 if (!copyBack.isEmpty()) { 524 void* prevBits; 525 if (lock(previousBuffer, 526 GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { 527 // copy from previousBuffer to buffer 528 copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); 529 unlock(previousBuffer); 530 } 531 } 532 } 533 oldDirtyRegion = dirtyRegion; 534 } 535 536 if (previousBuffer) { 537 previousBuffer->common.decRef(&previousBuffer->common); 538 previousBuffer = 0; 539 } 540 541 unlock(buffer); 542 previousBuffer = buffer; 543 nativeWindow->queueBuffer(nativeWindow, buffer, -1); 544 buffer = 0; 545 546 // dequeue a new buffer 547 int fenceFd = -1; 548 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &fenceFd) == NO_ERROR) { 549 sp<Fence> fence(new Fence(fenceFd)); 550 if (fence->wait(Fence::TIMEOUT_NEVER)) { 551 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 552 return setError(EGL_BAD_ALLOC, EGL_FALSE); 553 } 554 555 // reallocate the depth-buffer if needed 556 if ((width != buffer->width) || (height != buffer->height)) { 557 // TODO: we probably should reset the swap rect here 558 // if the window size has changed 559 width = buffer->width; 560 height = buffer->height; 561 if (depth.data) { 562 free(depth.data); 563 depth.width = width; 564 depth.height = height; 565 depth.stride = buffer->stride; 566 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 567 static_cast<uint64_t>(depth.height) * 2; 568 if (depth.stride < 0 || depth.height > INT_MAX || 569 allocSize > UINT32_MAX) { 570 setError(EGL_BAD_ALLOC, EGL_FALSE); 571 return EGL_FALSE; 572 } 573 depth.data = (GGLubyte*)malloc(allocSize); 574 if (depth.data == 0) { 575 setError(EGL_BAD_ALLOC, EGL_FALSE); 576 return EGL_FALSE; 577 } 578 } 579 } 580 581 // keep a reference on the buffer 582 buffer->common.incRef(&buffer->common); 583 584 // finally pin the buffer down 585 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 586 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 587 ALOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", 588 buffer, buffer->width, buffer->height); 589 return setError(EGL_BAD_ACCESS, EGL_FALSE); 590 // FIXME: we should make sure we're not accessing the buffer anymore 591 } 592 } else { 593 return setError(EGL_BAD_CURRENT_SURFACE, EGL_FALSE); 594 } 595 596 return EGL_TRUE; 597 } 598 599 EGLBoolean egl_window_surface_v2_t::setSwapRectangle( 600 EGLint l, EGLint t, EGLint w, EGLint h) 601 { 602 dirtyRegion = Rect(l, t, l+w, t+h); 603 return EGL_TRUE; 604 } 605 606 EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) 607 { 608 GGLSurface buffer; 609 buffer.version = sizeof(GGLSurface); 610 buffer.width = this->buffer->width; 611 buffer.height = this->buffer->height; 612 buffer.stride = this->buffer->stride; 613 buffer.data = (GGLubyte*)bits; 614 buffer.format = this->buffer->format; 615 gl->rasterizer.procs.colorBuffer(gl, &buffer); 616 if (depth.data != gl->rasterizer.state.buffers.depth.data) 617 gl->rasterizer.procs.depthBuffer(gl, &depth); 618 619 return EGL_TRUE; 620 } 621 EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) 622 { 623 GGLSurface buffer; 624 buffer.version = sizeof(GGLSurface); 625 buffer.width = this->buffer->width; 626 buffer.height = this->buffer->height; 627 buffer.stride = this->buffer->stride; 628 buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! 629 buffer.format = this->buffer->format; 630 gl->rasterizer.procs.readBuffer(gl, &buffer); 631 return EGL_TRUE; 632 } 633 EGLint egl_window_surface_v2_t::getHorizontalResolution() const { 634 return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 635 } 636 EGLint egl_window_surface_v2_t::getVerticalResolution() const { 637 return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 638 } 639 EGLint egl_window_surface_v2_t::getRefreshRate() const { 640 return (60 * EGL_DISPLAY_SCALING); // FIXME 641 } 642 EGLint egl_window_surface_v2_t::getSwapBehavior() const 643 { 644 /* 645 * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves 646 * the content of the swapped buffer. 647 * 648 * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. 649 * 650 * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED 651 * only applies to the area specified by eglSetSwapRectangleANDROID(), that 652 * is, everything outside of this area is preserved. 653 * 654 * This implementation of EGL assumes the later case. 655 * 656 */ 657 658 return EGL_BUFFER_DESTROYED; 659 } 660 661 // ---------------------------------------------------------------------------- 662 663 struct egl_pixmap_surface_t : public egl_surface_t 664 { 665 egl_pixmap_surface_t( 666 EGLDisplay dpy, EGLConfig config, 667 int32_t depthFormat, 668 egl_native_pixmap_t const * pixmap); 669 670 virtual ~egl_pixmap_surface_t() { } 671 672 virtual bool initCheck() const { return !depth.format || depth.data!=0; } 673 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 674 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 675 virtual EGLint getWidth() const { return nativePixmap.width; } 676 virtual EGLint getHeight() const { return nativePixmap.height; } 677 private: 678 egl_native_pixmap_t nativePixmap; 679 }; 680 681 egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, 682 EGLConfig config, 683 int32_t depthFormat, 684 egl_native_pixmap_t const * pixmap) 685 : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) 686 { 687 if (depthFormat) { 688 depth.width = pixmap->width; 689 depth.height = pixmap->height; 690 depth.stride = depth.width; // use the width here 691 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 692 static_cast<uint64_t>(depth.height) * 2; 693 if (depth.stride < 0 || depth.height > INT_MAX || 694 allocSize > UINT32_MAX) { 695 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 696 return; 697 } 698 depth.data = (GGLubyte*)malloc(allocSize); 699 if (depth.data == 0) { 700 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 701 } 702 } 703 } 704 EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) 705 { 706 GGLSurface buffer; 707 buffer.version = sizeof(GGLSurface); 708 buffer.width = nativePixmap.width; 709 buffer.height = nativePixmap.height; 710 buffer.stride = nativePixmap.stride; 711 buffer.data = nativePixmap.data; 712 buffer.format = nativePixmap.format; 713 714 gl->rasterizer.procs.colorBuffer(gl, &buffer); 715 if (depth.data != gl->rasterizer.state.buffers.depth.data) 716 gl->rasterizer.procs.depthBuffer(gl, &depth); 717 return EGL_TRUE; 718 } 719 EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) 720 { 721 GGLSurface buffer; 722 buffer.version = sizeof(GGLSurface); 723 buffer.width = nativePixmap.width; 724 buffer.height = nativePixmap.height; 725 buffer.stride = nativePixmap.stride; 726 buffer.data = nativePixmap.data; 727 buffer.format = nativePixmap.format; 728 gl->rasterizer.procs.readBuffer(gl, &buffer); 729 return EGL_TRUE; 730 } 731 732 // ---------------------------------------------------------------------------- 733 734 struct egl_pbuffer_surface_t : public egl_surface_t 735 { 736 egl_pbuffer_surface_t( 737 EGLDisplay dpy, EGLConfig config, int32_t depthFormat, 738 int32_t w, int32_t h, int32_t f); 739 740 virtual ~egl_pbuffer_surface_t(); 741 742 virtual bool initCheck() const { return pbuffer.data != 0; } 743 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 744 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 745 virtual EGLint getWidth() const { return pbuffer.width; } 746 virtual EGLint getHeight() const { return pbuffer.height; } 747 private: 748 GGLSurface pbuffer; 749 }; 750 751 egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, 752 EGLConfig config, int32_t depthFormat, 753 int32_t w, int32_t h, int32_t f) 754 : egl_surface_t(dpy, config, depthFormat) 755 { 756 size_t size = w*h; 757 switch (f) { 758 case GGL_PIXEL_FORMAT_A_8: size *= 1; break; 759 case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; 760 case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; 761 case GGL_PIXEL_FORMAT_RGBX_8888: size *= 4; break; 762 case GGL_PIXEL_FORMAT_BGRA_8888: size *= 4; break; 763 default: 764 ALOGE("incompatible pixel format for pbuffer (format=%d)", f); 765 pbuffer.data = 0; 766 break; 767 } 768 pbuffer.version = sizeof(GGLSurface); 769 pbuffer.width = w; 770 pbuffer.height = h; 771 pbuffer.stride = w; 772 pbuffer.data = (GGLubyte*)malloc(size); 773 pbuffer.format = f; 774 775 if (depthFormat) { 776 depth.width = pbuffer.width; 777 depth.height = pbuffer.height; 778 depth.stride = depth.width; // use the width here 779 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 780 static_cast<uint64_t>(depth.height) * 2; 781 if (depth.stride < 0 || depth.height > INT_MAX || 782 allocSize > UINT32_MAX) { 783 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 784 return; 785 } 786 depth.data = (GGLubyte*)malloc(allocSize); 787 if (depth.data == 0) { 788 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 789 return; 790 } 791 } 792 } 793 egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { 794 free(pbuffer.data); 795 } 796 EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) 797 { 798 gl->rasterizer.procs.colorBuffer(gl, &pbuffer); 799 if (depth.data != gl->rasterizer.state.buffers.depth.data) 800 gl->rasterizer.procs.depthBuffer(gl, &depth); 801 return EGL_TRUE; 802 } 803 EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) 804 { 805 gl->rasterizer.procs.readBuffer(gl, &pbuffer); 806 return EGL_TRUE; 807 } 808 809 // ---------------------------------------------------------------------------- 810 811 struct config_pair_t { 812 GLint key; 813 GLint value; 814 }; 815 816 struct configs_t { 817 const config_pair_t* array; 818 int size; 819 }; 820 821 struct config_management_t { 822 GLint key; 823 bool (*match)(GLint reqValue, GLint confValue); 824 static bool atLeast(GLint reqValue, GLint confValue) { 825 return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); 826 } 827 static bool exact(GLint reqValue, GLint confValue) { 828 return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); 829 } 830 static bool mask(GLint reqValue, GLint confValue) { 831 return (confValue & reqValue) == reqValue; 832 } 833 static bool ignore(GLint /*reqValue*/, GLint /*confValue*/) { 834 return true; 835 } 836 }; 837 838 // ---------------------------------------------------------------------------- 839 840 #define VERSION_MAJOR 1 841 #define VERSION_MINOR 2 842 static char const * const gVendorString = "Google Inc."; 843 static char const * const gVersionString = "1.2 Android Driver 1.2.0"; 844 static char const * const gClientApiString = "OpenGL_ES"; 845 static char const * const gExtensionsString = 846 "EGL_KHR_fence_sync " 847 "EGL_KHR_image_base " 848 // "KHR_image_pixmap " 849 "EGL_ANDROID_image_native_buffer " 850 "EGL_ANDROID_swap_rectangle " 851 ; 852 853 // ---------------------------------------------------------------------------- 854 855 struct extention_map_t { 856 const char * const name; 857 __eglMustCastToProperFunctionPointerType address; 858 }; 859 860 static const extention_map_t gExtentionMap[] = { 861 { "glDrawTexsOES", 862 (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, 863 { "glDrawTexiOES", 864 (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, 865 { "glDrawTexfOES", 866 (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, 867 { "glDrawTexxOES", 868 (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, 869 { "glDrawTexsvOES", 870 (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, 871 { "glDrawTexivOES", 872 (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, 873 { "glDrawTexfvOES", 874 (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, 875 { "glDrawTexxvOES", 876 (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, 877 { "glQueryMatrixxOES", 878 (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, 879 { "glEGLImageTargetTexture2DOES", 880 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, 881 { "glEGLImageTargetRenderbufferStorageOES", 882 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, 883 { "glClipPlanef", 884 (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, 885 { "glClipPlanex", 886 (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, 887 { "glBindBuffer", 888 (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, 889 { "glBufferData", 890 (__eglMustCastToProperFunctionPointerType)&glBufferData }, 891 { "glBufferSubData", 892 (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, 893 { "glDeleteBuffers", 894 (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, 895 { "glGenBuffers", 896 (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, 897 { "eglCreateImageKHR", 898 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 899 { "eglDestroyImageKHR", 900 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 901 { "eglCreateSyncKHR", 902 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR }, 903 { "eglDestroySyncKHR", 904 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR }, 905 { "eglClientWaitSyncKHR", 906 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR }, 907 { "eglGetSyncAttribKHR", 908 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR }, 909 { "eglSetSwapRectangleANDROID", 910 (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 911 }; 912 913 /* 914 * In the lists below, attributes names MUST be sorted. 915 * Additionally, all configs must be sorted according to 916 * the EGL specification. 917 */ 918 919 static config_pair_t const config_base_attribute_list[] = { 920 { EGL_STENCIL_SIZE, 0 }, 921 { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, 922 { EGL_LEVEL, 0 }, 923 { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, 924 { EGL_MAX_PBUFFER_PIXELS, 925 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, 926 { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, 927 { EGL_NATIVE_RENDERABLE, EGL_TRUE }, 928 { EGL_NATIVE_VISUAL_ID, 0 }, 929 { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, 930 { EGL_SAMPLES, 0 }, 931 { EGL_SAMPLE_BUFFERS, 0 }, 932 { EGL_TRANSPARENT_TYPE, EGL_NONE }, 933 { EGL_TRANSPARENT_BLUE_VALUE, 0 }, 934 { EGL_TRANSPARENT_GREEN_VALUE, 0 }, 935 { EGL_TRANSPARENT_RED_VALUE, 0 }, 936 { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, 937 { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, 938 { EGL_MIN_SWAP_INTERVAL, 1 }, 939 { EGL_MAX_SWAP_INTERVAL, 1 }, 940 { EGL_LUMINANCE_SIZE, 0 }, 941 { EGL_ALPHA_MASK_SIZE, 0 }, 942 { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, 943 { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, 944 { EGL_CONFORMANT, 0 } 945 }; 946 947 // These configs can override the base attribute list 948 // NOTE: when adding a config here, don't forget to update eglCreate*Surface() 949 950 // 565 configs 951 static config_pair_t const config_0_attribute_list[] = { 952 { EGL_BUFFER_SIZE, 16 }, 953 { EGL_ALPHA_SIZE, 0 }, 954 { EGL_BLUE_SIZE, 5 }, 955 { EGL_GREEN_SIZE, 6 }, 956 { EGL_RED_SIZE, 5 }, 957 { EGL_DEPTH_SIZE, 0 }, 958 { EGL_CONFIG_ID, 0 }, 959 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 960 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 961 }; 962 963 static config_pair_t const config_1_attribute_list[] = { 964 { EGL_BUFFER_SIZE, 16 }, 965 { EGL_ALPHA_SIZE, 0 }, 966 { EGL_BLUE_SIZE, 5 }, 967 { EGL_GREEN_SIZE, 6 }, 968 { EGL_RED_SIZE, 5 }, 969 { EGL_DEPTH_SIZE, 16 }, 970 { EGL_CONFIG_ID, 1 }, 971 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 972 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 973 }; 974 975 // RGB 888 configs 976 static config_pair_t const config_2_attribute_list[] = { 977 { EGL_BUFFER_SIZE, 32 }, 978 { EGL_ALPHA_SIZE, 0 }, 979 { EGL_BLUE_SIZE, 8 }, 980 { EGL_GREEN_SIZE, 8 }, 981 { EGL_RED_SIZE, 8 }, 982 { EGL_DEPTH_SIZE, 0 }, 983 { EGL_CONFIG_ID, 6 }, 984 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 985 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 986 }; 987 988 static config_pair_t const config_3_attribute_list[] = { 989 { EGL_BUFFER_SIZE, 32 }, 990 { EGL_ALPHA_SIZE, 0 }, 991 { EGL_BLUE_SIZE, 8 }, 992 { EGL_GREEN_SIZE, 8 }, 993 { EGL_RED_SIZE, 8 }, 994 { EGL_DEPTH_SIZE, 16 }, 995 { EGL_CONFIG_ID, 7 }, 996 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 997 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 998 }; 999 1000 // 8888 configs 1001 static config_pair_t const config_4_attribute_list[] = { 1002 { EGL_BUFFER_SIZE, 32 }, 1003 { EGL_ALPHA_SIZE, 8 }, 1004 { EGL_BLUE_SIZE, 8 }, 1005 { EGL_GREEN_SIZE, 8 }, 1006 { EGL_RED_SIZE, 8 }, 1007 { EGL_DEPTH_SIZE, 0 }, 1008 { EGL_CONFIG_ID, 2 }, 1009 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1010 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1011 }; 1012 1013 static config_pair_t const config_5_attribute_list[] = { 1014 { EGL_BUFFER_SIZE, 32 }, 1015 { EGL_ALPHA_SIZE, 8 }, 1016 { EGL_BLUE_SIZE, 8 }, 1017 { EGL_GREEN_SIZE, 8 }, 1018 { EGL_RED_SIZE, 8 }, 1019 { EGL_DEPTH_SIZE, 16 }, 1020 { EGL_CONFIG_ID, 3 }, 1021 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1022 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1023 }; 1024 1025 // A8 configs 1026 static config_pair_t const config_6_attribute_list[] = { 1027 { EGL_BUFFER_SIZE, 8 }, 1028 { EGL_ALPHA_SIZE, 8 }, 1029 { EGL_BLUE_SIZE, 0 }, 1030 { EGL_GREEN_SIZE, 0 }, 1031 { EGL_RED_SIZE, 0 }, 1032 { EGL_DEPTH_SIZE, 0 }, 1033 { EGL_CONFIG_ID, 4 }, 1034 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1035 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1036 }; 1037 1038 static config_pair_t const config_7_attribute_list[] = { 1039 { EGL_BUFFER_SIZE, 8 }, 1040 { EGL_ALPHA_SIZE, 8 }, 1041 { EGL_BLUE_SIZE, 0 }, 1042 { EGL_GREEN_SIZE, 0 }, 1043 { EGL_RED_SIZE, 0 }, 1044 { EGL_DEPTH_SIZE, 16 }, 1045 { EGL_CONFIG_ID, 5 }, 1046 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1047 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1048 }; 1049 1050 // BGRA 8888 config 1051 static config_pair_t const config_8_attribute_list[] = { 1052 { EGL_BUFFER_SIZE, 32 }, 1053 { EGL_ALPHA_SIZE, 8 }, 1054 { EGL_BLUE_SIZE, 8 }, 1055 { EGL_GREEN_SIZE, 8 }, 1056 { EGL_RED_SIZE, 8 }, 1057 { EGL_DEPTH_SIZE, 0 }, 1058 { EGL_CONFIG_ID, 8 }, 1059 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_BGRA_8888 }, 1060 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1061 }; 1062 1063 static configs_t const gConfigs[] = { 1064 { config_0_attribute_list, NELEM(config_0_attribute_list) }, 1065 { config_1_attribute_list, NELEM(config_1_attribute_list) }, 1066 { config_2_attribute_list, NELEM(config_2_attribute_list) }, 1067 { config_3_attribute_list, NELEM(config_3_attribute_list) }, 1068 { config_4_attribute_list, NELEM(config_4_attribute_list) }, 1069 { config_5_attribute_list, NELEM(config_5_attribute_list) }, 1070 { config_6_attribute_list, NELEM(config_6_attribute_list) }, 1071 { config_7_attribute_list, NELEM(config_7_attribute_list) }, 1072 { config_8_attribute_list, NELEM(config_8_attribute_list) }, 1073 }; 1074 1075 static config_management_t const gConfigManagement[] = { 1076 { EGL_BUFFER_SIZE, config_management_t::atLeast }, 1077 { EGL_ALPHA_SIZE, config_management_t::atLeast }, 1078 { EGL_BLUE_SIZE, config_management_t::atLeast }, 1079 { EGL_GREEN_SIZE, config_management_t::atLeast }, 1080 { EGL_RED_SIZE, config_management_t::atLeast }, 1081 { EGL_DEPTH_SIZE, config_management_t::atLeast }, 1082 { EGL_STENCIL_SIZE, config_management_t::atLeast }, 1083 { EGL_CONFIG_CAVEAT, config_management_t::exact }, 1084 { EGL_CONFIG_ID, config_management_t::exact }, 1085 { EGL_LEVEL, config_management_t::exact }, 1086 { EGL_MAX_PBUFFER_HEIGHT, config_management_t::ignore }, 1087 { EGL_MAX_PBUFFER_PIXELS, config_management_t::ignore }, 1088 { EGL_MAX_PBUFFER_WIDTH, config_management_t::ignore }, 1089 { EGL_NATIVE_RENDERABLE, config_management_t::exact }, 1090 { EGL_NATIVE_VISUAL_ID, config_management_t::ignore }, 1091 { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, 1092 { EGL_SAMPLES, config_management_t::exact }, 1093 { EGL_SAMPLE_BUFFERS, config_management_t::exact }, 1094 { EGL_SURFACE_TYPE, config_management_t::mask }, 1095 { EGL_TRANSPARENT_TYPE, config_management_t::exact }, 1096 { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, 1097 { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, 1098 { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, 1099 { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, 1100 { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, 1101 { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, 1102 { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, 1103 { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, 1104 { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, 1105 { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, 1106 { EGL_RENDERABLE_TYPE, config_management_t::mask }, 1107 { EGL_CONFORMANT, config_management_t::mask } 1108 }; 1109 1110 1111 static config_pair_t const config_defaults[] = { 1112 // attributes that are not specified are simply ignored, if a particular 1113 // one needs not be ignored, it must be specified here, eg: 1114 // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, 1115 }; 1116 1117 // ---------------------------------------------------------------------------- 1118 1119 static status_t getConfigFormatInfo(EGLint configID, 1120 int32_t& pixelFormat, int32_t& depthFormat) 1121 { 1122 switch(configID) { 1123 case 0: 1124 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1125 depthFormat = 0; 1126 break; 1127 case 1: 1128 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1129 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1130 break; 1131 case 2: 1132 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1133 depthFormat = 0; 1134 break; 1135 case 3: 1136 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1137 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1138 break; 1139 case 4: 1140 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1141 depthFormat = 0; 1142 break; 1143 case 5: 1144 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1145 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1146 break; 1147 case 6: 1148 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1149 depthFormat = 0; 1150 break; 1151 case 7: 1152 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1153 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1154 break; 1155 case 8: 1156 pixelFormat = GGL_PIXEL_FORMAT_BGRA_8888; 1157 depthFormat = 0; 1158 break; 1159 default: 1160 return NAME_NOT_FOUND; 1161 } 1162 return NO_ERROR; 1163 } 1164 1165 // ---------------------------------------------------------------------------- 1166 1167 template<typename T> 1168 static int binarySearch(T const sortedArray[], int first, int last, EGLint key) 1169 { 1170 while (first <= last) { 1171 int mid = (first + last) / 2; 1172 if (key > sortedArray[mid].key) { 1173 first = mid + 1; 1174 } else if (key < sortedArray[mid].key) { 1175 last = mid - 1; 1176 } else { 1177 return mid; 1178 } 1179 } 1180 return -1; 1181 } 1182 1183 static int isAttributeMatching(int i, EGLint attr, EGLint val) 1184 { 1185 // look for the attribute in all of our configs 1186 config_pair_t const* configFound = gConfigs[i].array; 1187 int index = binarySearch<config_pair_t>( 1188 gConfigs[i].array, 1189 0, gConfigs[i].size-1, 1190 attr); 1191 if (index < 0) { 1192 configFound = config_base_attribute_list; 1193 index = binarySearch<config_pair_t>( 1194 config_base_attribute_list, 1195 0, NELEM(config_base_attribute_list)-1, 1196 attr); 1197 } 1198 if (index >= 0) { 1199 // attribute found, check if this config could match 1200 int cfgMgtIndex = binarySearch<config_management_t>( 1201 gConfigManagement, 1202 0, NELEM(gConfigManagement)-1, 1203 attr); 1204 if (cfgMgtIndex >= 0) { 1205 bool match = gConfigManagement[cfgMgtIndex].match( 1206 val, configFound[index].value); 1207 if (match) { 1208 // this config matches 1209 return 1; 1210 } 1211 } else { 1212 // attribute not found. this should NEVER happen. 1213 } 1214 } else { 1215 // error, this attribute doesn't exist 1216 } 1217 return 0; 1218 } 1219 1220 static int makeCurrent(ogles_context_t* gl) 1221 { 1222 ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); 1223 if (gl) { 1224 egl_context_t* c = egl_context_t::context(gl); 1225 if (c->flags & egl_context_t::IS_CURRENT) { 1226 if (current != gl) { 1227 // it is an error to set a context current, if it's already 1228 // current to another thread 1229 return -1; 1230 } 1231 } else { 1232 if (current) { 1233 // mark the current context as not current, and flush 1234 glFlush(); 1235 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1236 } 1237 } 1238 if (!(c->flags & egl_context_t::IS_CURRENT)) { 1239 // The context is not current, make it current! 1240 setGlThreadSpecific(gl); 1241 c->flags |= egl_context_t::IS_CURRENT; 1242 } 1243 } else { 1244 if (current) { 1245 // mark the current context as not current, and flush 1246 glFlush(); 1247 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1248 } 1249 // this thread has no context attached to it 1250 setGlThreadSpecific(0); 1251 } 1252 return 0; 1253 } 1254 1255 static EGLBoolean getConfigAttrib(EGLDisplay /*dpy*/, EGLConfig config, 1256 EGLint attribute, EGLint *value) 1257 { 1258 size_t numConfigs = NELEM(gConfigs); 1259 int index = (int)(uintptr_t)config; 1260 if (uint32_t(index) >= numConfigs) 1261 return setError(EGL_BAD_CONFIG, EGL_FALSE); 1262 1263 int attrIndex; 1264 attrIndex = binarySearch<config_pair_t>( 1265 gConfigs[index].array, 1266 0, gConfigs[index].size-1, 1267 attribute); 1268 if (attrIndex>=0) { 1269 *value = gConfigs[index].array[attrIndex].value; 1270 return EGL_TRUE; 1271 } 1272 1273 attrIndex = binarySearch<config_pair_t>( 1274 config_base_attribute_list, 1275 0, NELEM(config_base_attribute_list)-1, 1276 attribute); 1277 if (attrIndex>=0) { 1278 *value = config_base_attribute_list[attrIndex].value; 1279 return EGL_TRUE; 1280 } 1281 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1282 } 1283 1284 static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, 1285 NativeWindowType window, const EGLint* /*attrib_list*/) 1286 { 1287 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1288 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1289 if (window == 0) 1290 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1291 1292 EGLint surfaceType; 1293 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1294 return EGL_FALSE; 1295 1296 if (!(surfaceType & EGL_WINDOW_BIT)) 1297 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1298 1299 if (static_cast<ANativeWindow*>(window)->common.magic != 1300 ANDROID_NATIVE_WINDOW_MAGIC) { 1301 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); 1302 } 1303 1304 EGLint configID; 1305 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1306 return EGL_FALSE; 1307 1308 int32_t depthFormat; 1309 int32_t pixelFormat; 1310 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1311 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1312 } 1313 1314 // FIXME: we don't have access to the pixelFormat here just yet. 1315 // (it's possible that the surface is not fully initialized) 1316 // maybe this should be done after the page-flip 1317 //if (EGLint(info.format) != pixelFormat) 1318 // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1319 1320 egl_surface_t* surface; 1321 surface = new egl_window_surface_v2_t(dpy, config, depthFormat, 1322 static_cast<ANativeWindow*>(window)); 1323 1324 if (!surface->initCheck()) { 1325 // there was a problem in the ctor, the error 1326 // flag has been set. 1327 delete surface; 1328 surface = 0; 1329 } 1330 return surface; 1331 } 1332 1333 static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, 1334 NativePixmapType pixmap, const EGLint* /*attrib_list*/) 1335 { 1336 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1337 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1338 if (pixmap == 0) 1339 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1340 1341 EGLint surfaceType; 1342 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1343 return EGL_FALSE; 1344 1345 if (!(surfaceType & EGL_PIXMAP_BIT)) 1346 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1347 1348 if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 1349 sizeof(egl_native_pixmap_t)) { 1350 return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); 1351 } 1352 1353 EGLint configID; 1354 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1355 return EGL_FALSE; 1356 1357 int32_t depthFormat; 1358 int32_t pixelFormat; 1359 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1360 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1361 } 1362 1363 if (pixmap->format != pixelFormat) 1364 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1365 1366 egl_surface_t* surface = 1367 new egl_pixmap_surface_t(dpy, config, depthFormat, 1368 static_cast<egl_native_pixmap_t*>(pixmap)); 1369 1370 if (!surface->initCheck()) { 1371 // there was a problem in the ctor, the error 1372 // flag has been set. 1373 delete surface; 1374 surface = 0; 1375 } 1376 return surface; 1377 } 1378 1379 static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, 1380 const EGLint *attrib_list) 1381 { 1382 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1383 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1384 1385 EGLint surfaceType; 1386 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1387 return EGL_FALSE; 1388 1389 if (!(surfaceType & EGL_PBUFFER_BIT)) 1390 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1391 1392 EGLint configID; 1393 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1394 return EGL_FALSE; 1395 1396 int32_t depthFormat; 1397 int32_t pixelFormat; 1398 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1399 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1400 } 1401 1402 int32_t w = 0; 1403 int32_t h = 0; 1404 while (attrib_list[0] != EGL_NONE) { 1405 if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; 1406 if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; 1407 attrib_list+=2; 1408 } 1409 1410 egl_surface_t* surface = 1411 new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); 1412 1413 if (!surface->initCheck()) { 1414 // there was a problem in the ctor, the error 1415 // flag has been set. 1416 delete surface; 1417 surface = 0; 1418 } 1419 return surface; 1420 } 1421 1422 // ---------------------------------------------------------------------------- 1423 }; // namespace android 1424 // ---------------------------------------------------------------------------- 1425 1426 using namespace android; 1427 1428 // ---------------------------------------------------------------------------- 1429 // Initialization 1430 // ---------------------------------------------------------------------------- 1431 1432 EGLDisplay eglGetDisplay(NativeDisplayType display) 1433 { 1434 #ifndef __ANDROID__ 1435 // this just needs to be done once 1436 if (gGLKey == -1) { 1437 pthread_mutex_lock(&gInitMutex); 1438 if (gGLKey == -1) 1439 pthread_key_create(&gGLKey, NULL); 1440 pthread_mutex_unlock(&gInitMutex); 1441 } 1442 #endif 1443 if (display == EGL_DEFAULT_DISPLAY) { 1444 EGLDisplay dpy = (EGLDisplay)1; 1445 egl_display_t& d = egl_display_t::get_display(dpy); 1446 d.type = display; 1447 return dpy; 1448 } 1449 return EGL_NO_DISPLAY; 1450 } 1451 1452 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) 1453 { 1454 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1455 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1456 1457 EGLBoolean res = EGL_TRUE; 1458 egl_display_t& d = egl_display_t::get_display(dpy); 1459 1460 if (d.initialized.fetch_add(1, std::memory_order_acquire) == 0) { 1461 // initialize stuff here if needed 1462 //pthread_mutex_lock(&gInitMutex); 1463 //pthread_mutex_unlock(&gInitMutex); 1464 } 1465 1466 if (res == EGL_TRUE) { 1467 if (major != NULL) *major = VERSION_MAJOR; 1468 if (minor != NULL) *minor = VERSION_MINOR; 1469 } 1470 return res; 1471 } 1472 1473 EGLBoolean eglTerminate(EGLDisplay dpy) 1474 { 1475 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1476 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1477 1478 EGLBoolean res = EGL_TRUE; 1479 egl_display_t& d = egl_display_t::get_display(dpy); 1480 if (d.initialized.fetch_sub(1, std::memory_order_release) == 1) { 1481 std::atomic_thread_fence(std::memory_order_acquire); 1482 // TODO: destroy all resources (surfaces, contexts, etc...) 1483 //pthread_mutex_lock(&gInitMutex); 1484 //pthread_mutex_unlock(&gInitMutex); 1485 } 1486 return res; 1487 } 1488 1489 // ---------------------------------------------------------------------------- 1490 // configuration 1491 // ---------------------------------------------------------------------------- 1492 1493 EGLBoolean eglGetConfigs( EGLDisplay dpy, 1494 EGLConfig *configs, 1495 EGLint config_size, EGLint *num_config) 1496 { 1497 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1498 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1499 1500 if (ggl_unlikely(num_config==NULL)) 1501 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1502 1503 GLint numConfigs = NELEM(gConfigs); 1504 if (!configs) { 1505 *num_config = numConfigs; 1506 return EGL_TRUE; 1507 } 1508 GLint i; 1509 for (i=0 ; i<numConfigs && i<config_size ; i++) { 1510 *configs++ = (EGLConfig)(uintptr_t)i; 1511 } 1512 *num_config = i; 1513 return EGL_TRUE; 1514 } 1515 1516 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, 1517 EGLConfig *configs, EGLint config_size, 1518 EGLint *num_config) 1519 { 1520 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1521 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1522 1523 if (ggl_unlikely(num_config==NULL)) { 1524 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1525 } 1526 1527 if (ggl_unlikely(attrib_list==0)) { 1528 /* 1529 * A NULL attrib_list should be treated as though it was an empty 1530 * one (terminated with EGL_NONE) as defined in 1531 * section 3.4.1 "Querying Configurations" in the EGL specification. 1532 */ 1533 static const EGLint dummy = EGL_NONE; 1534 attrib_list = &dummy; 1535 } 1536 1537 int numAttributes = 0; 1538 int numConfigs = NELEM(gConfigs); 1539 uint32_t possibleMatch = (1<<numConfigs)-1; 1540 while(possibleMatch && *attrib_list != EGL_NONE) { 1541 numAttributes++; 1542 EGLint attr = *attrib_list++; 1543 EGLint val = *attrib_list++; 1544 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1545 if (!(possibleMatch & (1<<i))) 1546 continue; 1547 if (isAttributeMatching(i, attr, val) == 0) { 1548 possibleMatch &= ~(1<<i); 1549 } 1550 } 1551 } 1552 1553 // now, handle the attributes which have a useful default value 1554 for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) { 1555 // see if this attribute was specified, if not, apply its 1556 // default value 1557 if (binarySearch<config_pair_t>( 1558 (config_pair_t const*)attrib_list, 1559 0, numAttributes-1, 1560 config_defaults[j].key) < 0) 1561 { 1562 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1563 if (!(possibleMatch & (1<<i))) 1564 continue; 1565 if (isAttributeMatching(i, 1566 config_defaults[j].key, 1567 config_defaults[j].value) == 0) 1568 { 1569 possibleMatch &= ~(1<<i); 1570 } 1571 } 1572 } 1573 } 1574 1575 // return the configurations found 1576 int n=0; 1577 if (possibleMatch) { 1578 if (configs) { 1579 for (int i=0 ; config_size && i<numConfigs ; i++) { 1580 if (possibleMatch & (1<<i)) { 1581 *configs++ = (EGLConfig)(uintptr_t)i; 1582 config_size--; 1583 n++; 1584 } 1585 } 1586 } else { 1587 for (int i=0 ; i<numConfigs ; i++) { 1588 if (possibleMatch & (1<<i)) { 1589 n++; 1590 } 1591 } 1592 } 1593 } 1594 *num_config = n; 1595 return EGL_TRUE; 1596 } 1597 1598 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, 1599 EGLint attribute, EGLint *value) 1600 { 1601 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1602 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1603 1604 return getConfigAttrib(dpy, config, attribute, value); 1605 } 1606 1607 // ---------------------------------------------------------------------------- 1608 // surfaces 1609 // ---------------------------------------------------------------------------- 1610 1611 EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, 1612 NativeWindowType window, 1613 const EGLint *attrib_list) 1614 { 1615 return createWindowSurface(dpy, config, window, attrib_list); 1616 } 1617 1618 EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, 1619 NativePixmapType pixmap, 1620 const EGLint *attrib_list) 1621 { 1622 return createPixmapSurface(dpy, config, pixmap, attrib_list); 1623 } 1624 1625 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, 1626 const EGLint *attrib_list) 1627 { 1628 return createPbufferSurface(dpy, config, attrib_list); 1629 } 1630 1631 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) 1632 { 1633 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1634 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1635 if (eglSurface != EGL_NO_SURFACE) { 1636 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); 1637 if (!surface->isValid()) 1638 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1639 if (surface->dpy != dpy) 1640 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1641 if (surface->ctx) { 1642 // defer disconnect/delete until no longer current 1643 surface->zombie = true; 1644 } else { 1645 surface->disconnect(); 1646 delete surface; 1647 } 1648 } 1649 return EGL_TRUE; 1650 } 1651 1652 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, 1653 EGLint attribute, EGLint *value) 1654 { 1655 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1656 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1657 egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); 1658 if (!surface->isValid()) 1659 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1660 if (surface->dpy != dpy) 1661 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1662 1663 EGLBoolean ret = EGL_TRUE; 1664 switch (attribute) { 1665 case EGL_CONFIG_ID: 1666 ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); 1667 break; 1668 case EGL_WIDTH: 1669 *value = surface->getWidth(); 1670 break; 1671 case EGL_HEIGHT: 1672 *value = surface->getHeight(); 1673 break; 1674 case EGL_LARGEST_PBUFFER: 1675 // not modified for a window or pixmap surface 1676 break; 1677 case EGL_TEXTURE_FORMAT: 1678 *value = EGL_NO_TEXTURE; 1679 break; 1680 case EGL_TEXTURE_TARGET: 1681 *value = EGL_NO_TEXTURE; 1682 break; 1683 case EGL_MIPMAP_TEXTURE: 1684 *value = EGL_FALSE; 1685 break; 1686 case EGL_MIPMAP_LEVEL: 1687 *value = 0; 1688 break; 1689 case EGL_RENDER_BUFFER: 1690 // TODO: return the real RENDER_BUFFER here 1691 *value = EGL_BACK_BUFFER; 1692 break; 1693 case EGL_HORIZONTAL_RESOLUTION: 1694 // pixel/mm * EGL_DISPLAY_SCALING 1695 *value = surface->getHorizontalResolution(); 1696 break; 1697 case EGL_VERTICAL_RESOLUTION: 1698 // pixel/mm * EGL_DISPLAY_SCALING 1699 *value = surface->getVerticalResolution(); 1700 break; 1701 case EGL_PIXEL_ASPECT_RATIO: { 1702 // w/h * EGL_DISPLAY_SCALING 1703 int wr = surface->getHorizontalResolution(); 1704 int hr = surface->getVerticalResolution(); 1705 *value = (wr * EGL_DISPLAY_SCALING) / hr; 1706 } break; 1707 case EGL_SWAP_BEHAVIOR: 1708 *value = surface->getSwapBehavior(); 1709 break; 1710 default: 1711 ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1712 } 1713 return ret; 1714 } 1715 1716 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, 1717 EGLContext /*share_list*/, const EGLint* /*attrib_list*/) 1718 { 1719 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1720 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1721 1722 ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); 1723 if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); 1724 1725 egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); 1726 c->flags = egl_context_t::NEVER_CURRENT; 1727 c->dpy = dpy; 1728 c->config = config; 1729 c->read = 0; 1730 c->draw = 0; 1731 return (EGLContext)gl; 1732 } 1733 1734 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) 1735 { 1736 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1737 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1738 egl_context_t* c = egl_context_t::context(ctx); 1739 if (c->flags & egl_context_t::IS_CURRENT) 1740 setGlThreadSpecific(0); 1741 ogles_uninit((ogles_context_t*)ctx); 1742 return EGL_TRUE; 1743 } 1744 1745 EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, 1746 EGLSurface read, EGLContext ctx) 1747 { 1748 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1749 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1750 if (draw) { 1751 egl_surface_t* s = (egl_surface_t*)draw; 1752 if (!s->isValid()) 1753 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1754 if (s->dpy != dpy) 1755 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1756 // TODO: check that draw is compatible with the context 1757 } 1758 if (read && read!=draw) { 1759 egl_surface_t* s = (egl_surface_t*)read; 1760 if (!s->isValid()) 1761 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1762 if (s->dpy != dpy) 1763 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1764 // TODO: check that read is compatible with the context 1765 } 1766 1767 EGLContext current_ctx = EGL_NO_CONTEXT; 1768 1769 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) 1770 return setError(EGL_BAD_MATCH, EGL_FALSE); 1771 1772 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) 1773 return setError(EGL_BAD_MATCH, EGL_FALSE); 1774 1775 if (ctx == EGL_NO_CONTEXT) { 1776 // if we're detaching, we need the current context 1777 current_ctx = (EGLContext)getGlThreadSpecific(); 1778 } else { 1779 egl_context_t* c = egl_context_t::context(ctx); 1780 egl_surface_t* d = (egl_surface_t*)draw; 1781 egl_surface_t* r = (egl_surface_t*)read; 1782 if ((d && d->ctx && d->ctx != ctx) || 1783 (r && r->ctx && r->ctx != ctx)) { 1784 // one of the surface is bound to a context in another thread 1785 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1786 } 1787 } 1788 1789 ogles_context_t* gl = (ogles_context_t*)ctx; 1790 if (makeCurrent(gl) == 0) { 1791 if (ctx) { 1792 egl_context_t* c = egl_context_t::context(ctx); 1793 egl_surface_t* d = (egl_surface_t*)draw; 1794 egl_surface_t* r = (egl_surface_t*)read; 1795 1796 if (c->draw) { 1797 egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); 1798 s->disconnect(); 1799 s->ctx = EGL_NO_CONTEXT; 1800 if (s->zombie) 1801 delete s; 1802 } 1803 if (c->read) { 1804 // FIXME: unlock/disconnect the read surface too 1805 } 1806 1807 c->draw = draw; 1808 c->read = read; 1809 1810 if (c->flags & egl_context_t::NEVER_CURRENT) { 1811 c->flags &= ~egl_context_t::NEVER_CURRENT; 1812 GLint w = 0; 1813 GLint h = 0; 1814 if (draw) { 1815 w = d->getWidth(); 1816 h = d->getHeight(); 1817 } 1818 ogles_surfaceport(gl, 0, 0); 1819 ogles_viewport(gl, 0, 0, w, h); 1820 ogles_scissor(gl, 0, 0, w, h); 1821 } 1822 if (d) { 1823 if (d->connect() == EGL_FALSE) { 1824 return EGL_FALSE; 1825 } 1826 d->ctx = ctx; 1827 d->bindDrawSurface(gl); 1828 } 1829 if (r) { 1830 // FIXME: lock/connect the read surface too 1831 r->ctx = ctx; 1832 r->bindReadSurface(gl); 1833 } 1834 } else { 1835 // if surfaces were bound to the context bound to this thread 1836 // mark then as unbound. 1837 if (current_ctx) { 1838 egl_context_t* c = egl_context_t::context(current_ctx); 1839 egl_surface_t* d = (egl_surface_t*)c->draw; 1840 egl_surface_t* r = (egl_surface_t*)c->read; 1841 if (d) { 1842 c->draw = 0; 1843 d->disconnect(); 1844 d->ctx = EGL_NO_CONTEXT; 1845 if (d->zombie) 1846 delete d; 1847 } 1848 if (r) { 1849 c->read = 0; 1850 r->ctx = EGL_NO_CONTEXT; 1851 // FIXME: unlock/disconnect the read surface too 1852 } 1853 } 1854 } 1855 return EGL_TRUE; 1856 } 1857 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1858 } 1859 1860 EGLContext eglGetCurrentContext(void) 1861 { 1862 // eglGetCurrentContext returns the current EGL rendering context, 1863 // as specified by eglMakeCurrent. If no context is current, 1864 // EGL_NO_CONTEXT is returned. 1865 return (EGLContext)getGlThreadSpecific(); 1866 } 1867 1868 EGLSurface eglGetCurrentSurface(EGLint readdraw) 1869 { 1870 // eglGetCurrentSurface returns the read or draw surface attached 1871 // to the current EGL rendering context, as specified by eglMakeCurrent. 1872 // If no context is current, EGL_NO_SURFACE is returned. 1873 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1874 if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; 1875 egl_context_t* c = egl_context_t::context(ctx); 1876 if (readdraw == EGL_READ) { 1877 return c->read; 1878 } else if (readdraw == EGL_DRAW) { 1879 return c->draw; 1880 } 1881 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); 1882 } 1883 1884 EGLDisplay eglGetCurrentDisplay(void) 1885 { 1886 // eglGetCurrentDisplay returns the current EGL display connection 1887 // for the current EGL rendering context, as specified by eglMakeCurrent. 1888 // If no context is current, EGL_NO_DISPLAY is returned. 1889 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1890 if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; 1891 egl_context_t* c = egl_context_t::context(ctx); 1892 return c->dpy; 1893 } 1894 1895 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, 1896 EGLint attribute, EGLint *value) 1897 { 1898 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1899 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1900 egl_context_t* c = egl_context_t::context(ctx); 1901 switch (attribute) { 1902 case EGL_CONFIG_ID: 1903 // Returns the ID of the EGL frame buffer configuration with 1904 // respect to which the context was created 1905 return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); 1906 } 1907 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1908 } 1909 1910 EGLBoolean eglWaitGL(void) 1911 { 1912 return EGL_TRUE; 1913 } 1914 1915 EGLBoolean eglWaitNative(EGLint /*engine*/) 1916 { 1917 return EGL_TRUE; 1918 } 1919 1920 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) 1921 { 1922 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1923 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1924 1925 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 1926 if (!d->isValid()) 1927 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1928 if (d->dpy != dpy) 1929 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1930 1931 // post the surface 1932 d->swapBuffers(); 1933 1934 // if it's bound to a context, update the buffer 1935 if (d->ctx != EGL_NO_CONTEXT) { 1936 d->bindDrawSurface((ogles_context_t*)d->ctx); 1937 // if this surface is also the read surface of the context 1938 // it is bound to, make sure to update the read buffer as well. 1939 // The EGL spec is a little unclear about this. 1940 egl_context_t* c = egl_context_t::context(d->ctx); 1941 if (c->read == draw) { 1942 d->bindReadSurface((ogles_context_t*)d->ctx); 1943 } 1944 } 1945 1946 return EGL_TRUE; 1947 } 1948 1949 EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface /*surface*/, 1950 NativePixmapType /*target*/) 1951 { 1952 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1953 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1954 // TODO: eglCopyBuffers() 1955 return EGL_FALSE; 1956 } 1957 1958 EGLint eglGetError(void) 1959 { 1960 return getError(); 1961 } 1962 1963 const char* eglQueryString(EGLDisplay dpy, EGLint name) 1964 { 1965 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1966 return setError(EGL_BAD_DISPLAY, (const char*)0); 1967 1968 switch (name) { 1969 case EGL_VENDOR: 1970 return gVendorString; 1971 case EGL_VERSION: 1972 return gVersionString; 1973 case EGL_EXTENSIONS: 1974 return gExtensionsString; 1975 case EGL_CLIENT_APIS: 1976 return gClientApiString; 1977 } 1978 return setError(EGL_BAD_PARAMETER, (const char *)0); 1979 } 1980 1981 // ---------------------------------------------------------------------------- 1982 // EGL 1.1 1983 // ---------------------------------------------------------------------------- 1984 1985 EGLBoolean eglSurfaceAttrib( 1986 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*attribute*/, EGLint /*value*/) 1987 { 1988 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1989 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1990 // TODO: eglSurfaceAttrib() 1991 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1992 } 1993 1994 EGLBoolean eglBindTexImage( 1995 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1996 { 1997 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1998 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1999 // TODO: eglBindTexImage() 2000 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2001 } 2002 2003 EGLBoolean eglReleaseTexImage( 2004 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 2005 { 2006 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2007 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2008 // TODO: eglReleaseTexImage() 2009 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2010 } 2011 2012 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint /*interval*/) 2013 { 2014 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2015 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2016 // TODO: eglSwapInterval() 2017 return EGL_TRUE; 2018 } 2019 2020 // ---------------------------------------------------------------------------- 2021 // EGL 1.2 2022 // ---------------------------------------------------------------------------- 2023 2024 EGLBoolean eglBindAPI(EGLenum api) 2025 { 2026 if (api != EGL_OPENGL_ES_API) 2027 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2028 return EGL_TRUE; 2029 } 2030 2031 EGLenum eglQueryAPI(void) 2032 { 2033 return EGL_OPENGL_ES_API; 2034 } 2035 2036 EGLBoolean eglWaitClient(void) 2037 { 2038 glFinish(); 2039 return EGL_TRUE; 2040 } 2041 2042 EGLBoolean eglReleaseThread(void) 2043 { 2044 // TODO: eglReleaseThread() 2045 return EGL_TRUE; 2046 } 2047 2048 EGLSurface eglCreatePbufferFromClientBuffer( 2049 EGLDisplay dpy, EGLenum /*buftype*/, EGLClientBuffer /*buffer*/, 2050 EGLConfig /*config*/, const EGLint* /*attrib_list*/) 2051 { 2052 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2053 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 2054 // TODO: eglCreatePbufferFromClientBuffer() 2055 return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); 2056 } 2057 2058 // ---------------------------------------------------------------------------- 2059 // EGL_EGLEXT_VERSION 3 2060 // ---------------------------------------------------------------------------- 2061 2062 void (*eglGetProcAddress (const char *procname))() 2063 { 2064 extention_map_t const * const map = gExtentionMap; 2065 for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { 2066 if (!strcmp(procname, map[i].name)) { 2067 return map[i].address; 2068 } 2069 } 2070 return NULL; 2071 } 2072 2073 EGLBoolean eglLockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/, 2074 const EGLint* /*attrib_list*/) 2075 { 2076 EGLBoolean result = EGL_FALSE; 2077 return result; 2078 } 2079 2080 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/) 2081 { 2082 EGLBoolean result = EGL_FALSE; 2083 return result; 2084 } 2085 2086 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, 2087 EGLClientBuffer buffer, const EGLint* /*attrib_list*/) 2088 { 2089 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2090 return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); 2091 } 2092 if (ctx != EGL_NO_CONTEXT) { 2093 return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); 2094 } 2095 if (target != EGL_NATIVE_BUFFER_ANDROID) { 2096 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2097 } 2098 2099 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer; 2100 2101 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2102 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2103 2104 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2105 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2106 2107 switch (native_buffer->format) { 2108 case HAL_PIXEL_FORMAT_RGBA_8888: 2109 case HAL_PIXEL_FORMAT_RGBX_8888: 2110 case HAL_PIXEL_FORMAT_RGB_888: 2111 case HAL_PIXEL_FORMAT_RGB_565: 2112 case HAL_PIXEL_FORMAT_BGRA_8888: 2113 break; 2114 default: 2115 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2116 } 2117 2118 native_buffer->common.incRef(&native_buffer->common); 2119 return (EGLImageKHR)native_buffer; 2120 } 2121 2122 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) 2123 { 2124 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2125 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2126 } 2127 2128 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img; 2129 2130 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2131 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2132 2133 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2134 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2135 2136 native_buffer->common.decRef(&native_buffer->common); 2137 2138 return EGL_TRUE; 2139 } 2140 2141 // ---------------------------------------------------------------------------- 2142 // EGL_KHR_fence_sync 2143 // ---------------------------------------------------------------------------- 2144 2145 #define FENCE_SYNC_HANDLE ((EGLSyncKHR)0xFE4CE) 2146 2147 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, 2148 const EGLint *attrib_list) 2149 { 2150 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2151 return setError(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR); 2152 } 2153 2154 if (type != EGL_SYNC_FENCE_KHR || 2155 (attrib_list != NULL && attrib_list[0] != EGL_NONE)) { 2156 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR); 2157 } 2158 2159 if (eglGetCurrentContext() == EGL_NO_CONTEXT) { 2160 return setError(EGL_BAD_MATCH, EGL_NO_SYNC_KHR); 2161 } 2162 2163 // AGL is synchronous; nothing to do here. 2164 2165 return FENCE_SYNC_HANDLE; 2166 } 2167 2168 EGLBoolean eglDestroySyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync) 2169 { 2170 if (sync != FENCE_SYNC_HANDLE) { 2171 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2172 } 2173 2174 return EGL_TRUE; 2175 } 2176 2177 EGLint eglClientWaitSyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, EGLint /*flags*/, 2178 EGLTimeKHR /*timeout*/) 2179 { 2180 if (sync != FENCE_SYNC_HANDLE) { 2181 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2182 } 2183 2184 return EGL_CONDITION_SATISFIED_KHR; 2185 } 2186 2187 EGLBoolean eglGetSyncAttribKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, 2188 EGLint attribute, EGLint *value) 2189 { 2190 if (sync != FENCE_SYNC_HANDLE) { 2191 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2192 } 2193 2194 switch (attribute) { 2195 case EGL_SYNC_TYPE_KHR: 2196 *value = EGL_SYNC_FENCE_KHR; 2197 return EGL_TRUE; 2198 case EGL_SYNC_STATUS_KHR: 2199 *value = EGL_SIGNALED_KHR; 2200 return EGL_TRUE; 2201 case EGL_SYNC_CONDITION_KHR: 2202 *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; 2203 return EGL_TRUE; 2204 default: 2205 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 2206 } 2207 } 2208 2209 // ---------------------------------------------------------------------------- 2210 // ANDROID extensions 2211 // ---------------------------------------------------------------------------- 2212 2213 EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 2214 EGLint left, EGLint top, EGLint width, EGLint height) 2215 { 2216 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2217 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2218 2219 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2220 if (!d->isValid()) 2221 return setError(EGL_BAD_SURFACE, EGL_FALSE); 2222 if (d->dpy != dpy) 2223 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2224 2225 // post the surface 2226 d->setSwapRectangle(left, top, width, height); 2227 2228 return EGL_TRUE; 2229 } 2230
