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 #ifndef __ANDROID__ 85 static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; 86 #endif 87 static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; 88 static pthread_key_t gEGLErrorKey = -1; 89 #ifndef __ANDROID__ 90 namespace gl { 91 pthread_key_t gGLKey = -1; 92 }; // namespace gl 93 #endif 94 95 template<typename T> 96 static T setError(GLint error, T returnValue) { 97 if (ggl_unlikely(gEGLErrorKey == -1)) { 98 pthread_mutex_lock(&gErrorKeyMutex); 99 if (gEGLErrorKey == -1) 100 pthread_key_create(&gEGLErrorKey, NULL); 101 pthread_mutex_unlock(&gErrorKeyMutex); 102 } 103 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)error); 104 return returnValue; 105 } 106 107 static GLint getError() { 108 if (ggl_unlikely(gEGLErrorKey == -1)) 109 return EGL_SUCCESS; 110 GLint error = (GLint)(uintptr_t)pthread_getspecific(gEGLErrorKey); 111 if (error == 0) { 112 // The TLS key has been created by another thread, but the value for 113 // this thread has not been initialized. 114 return EGL_SUCCESS; 115 } 116 pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)EGL_SUCCESS); 117 return error; 118 } 119 120 // ---------------------------------------------------------------------------- 121 122 struct egl_display_t 123 { 124 egl_display_t() : type(0), initialized(0) { } 125 126 static egl_display_t& get_display(EGLDisplay dpy); 127 128 static EGLBoolean is_valid(EGLDisplay dpy) { 129 return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; 130 } 131 132 NativeDisplayType type; 133 std::atomic_size_t initialized; 134 }; 135 136 static egl_display_t gDisplays[NUM_DISPLAYS]; 137 138 egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { 139 return gDisplays[uintptr_t(dpy)-1U]; 140 } 141 142 struct egl_context_t { 143 enum { 144 IS_CURRENT = 0x00010000, 145 NEVER_CURRENT = 0x00020000 146 }; 147 uint32_t flags; 148 EGLDisplay dpy; 149 EGLConfig config; 150 EGLSurface read; 151 EGLSurface draw; 152 153 static inline egl_context_t* context(EGLContext ctx) { 154 ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); 155 return static_cast<egl_context_t*>(gl->rasterizer.base); 156 } 157 }; 158 159 // ---------------------------------------------------------------------------- 160 161 struct egl_surface_t 162 { 163 enum { 164 PAGE_FLIP = 0x00000001, 165 MAGIC = 0x31415265 166 }; 167 168 uint32_t magic; 169 EGLDisplay dpy; 170 EGLConfig config; 171 EGLContext ctx; 172 bool zombie; 173 174 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); 175 virtual ~egl_surface_t(); 176 bool isValid() const; 177 virtual bool initCheck() const = 0; 178 179 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; 180 virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; 181 virtual EGLBoolean connect() { return EGL_TRUE; } 182 virtual void disconnect() {} 183 virtual EGLint getWidth() const = 0; 184 virtual EGLint getHeight() const = 0; 185 186 virtual EGLint getHorizontalResolution() const; 187 virtual EGLint getVerticalResolution() const; 188 virtual EGLint getRefreshRate() const; 189 virtual EGLint getSwapBehavior() const; 190 virtual EGLBoolean swapBuffers(); 191 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 192 protected: 193 GGLSurface depth; 194 }; 195 196 egl_surface_t::egl_surface_t(EGLDisplay dpy, 197 EGLConfig config, 198 int32_t depthFormat) 199 : magic(MAGIC), dpy(dpy), config(config), ctx(0), zombie(false) 200 { 201 depth.version = sizeof(GGLSurface); 202 depth.data = 0; 203 depth.format = depthFormat; 204 } 205 egl_surface_t::~egl_surface_t() 206 { 207 magic = 0; 208 free(depth.data); 209 } 210 bool egl_surface_t::isValid() const { 211 ALOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); 212 return magic == MAGIC; 213 } 214 215 EGLBoolean egl_surface_t::swapBuffers() { 216 return EGL_FALSE; 217 } 218 EGLint egl_surface_t::getHorizontalResolution() const { 219 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 220 } 221 EGLint egl_surface_t::getVerticalResolution() const { 222 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 223 } 224 EGLint egl_surface_t::getRefreshRate() const { 225 return (60 * EGL_DISPLAY_SCALING); 226 } 227 EGLint egl_surface_t::getSwapBehavior() const { 228 return EGL_BUFFER_PRESERVED; 229 } 230 EGLBoolean egl_surface_t::setSwapRectangle( 231 EGLint /*l*/, EGLint /*t*/, EGLint /*w*/, EGLint /*h*/) 232 { 233 return EGL_FALSE; 234 } 235 236 // ---------------------------------------------------------------------------- 237 238 struct egl_window_surface_v2_t : public egl_surface_t 239 { 240 egl_window_surface_v2_t( 241 EGLDisplay dpy, EGLConfig config, 242 int32_t depthFormat, 243 ANativeWindow* window); 244 245 ~egl_window_surface_v2_t(); 246 247 virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails 248 virtual EGLBoolean swapBuffers(); 249 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 250 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 251 virtual EGLBoolean connect(); 252 virtual void disconnect(); 253 virtual EGLint getWidth() const { return width; } 254 virtual EGLint getHeight() const { return height; } 255 virtual EGLint getHorizontalResolution() const; 256 virtual EGLint getVerticalResolution() const; 257 virtual EGLint getRefreshRate() const; 258 virtual EGLint getSwapBehavior() const; 259 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 260 261 private: 262 status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr); 263 status_t unlock(ANativeWindowBuffer* buf); 264 ANativeWindow* nativeWindow; 265 ANativeWindowBuffer* buffer; 266 ANativeWindowBuffer* previousBuffer; 267 int width; 268 int height; 269 void* bits; 270 GGLFormat const* pixelFormatTable; 271 272 struct Rect { 273 inline Rect() { }; 274 inline Rect(int32_t w, int32_t h) 275 : left(0), top(0), right(w), bottom(h) { } 276 inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) 277 : left(l), top(t), right(r), bottom(b) { } 278 Rect& andSelf(const Rect& r) { 279 left = max(left, r.left); 280 top = max(top, r.top); 281 right = min(right, r.right); 282 bottom = min(bottom, r.bottom); 283 return *this; 284 } 285 bool isEmpty() const { 286 return (left>=right || top>=bottom); 287 } 288 void dump(char const* what) { 289 ALOGD("%s { %5d, %5d, w=%5d, h=%5d }", 290 what, left, top, right-left, bottom-top); 291 } 292 293 int32_t left; 294 int32_t top; 295 int32_t right; 296 int32_t bottom; 297 }; 298 299 struct Region { 300 inline Region() : count(0) { } 301 typedef Rect const* const_iterator; 302 const_iterator begin() const { return storage; } 303 const_iterator end() const { return storage+count; } 304 static Region subtract(const Rect& lhs, const Rect& rhs) { 305 Region reg; 306 Rect* storage = reg.storage; 307 if (!lhs.isEmpty()) { 308 if (lhs.top < rhs.top) { // top rect 309 storage->left = lhs.left; 310 storage->top = lhs.top; 311 storage->right = lhs.right; 312 storage->bottom = rhs.top; 313 storage++; 314 } 315 const int32_t top = max(lhs.top, rhs.top); 316 const int32_t bot = min(lhs.bottom, rhs.bottom); 317 if (top < bot) { 318 if (lhs.left < rhs.left) { // left-side rect 319 storage->left = lhs.left; 320 storage->top = top; 321 storage->right = rhs.left; 322 storage->bottom = bot; 323 storage++; 324 } 325 if (lhs.right > rhs.right) { // right-side rect 326 storage->left = rhs.right; 327 storage->top = top; 328 storage->right = lhs.right; 329 storage->bottom = bot; 330 storage++; 331 } 332 } 333 if (lhs.bottom > rhs.bottom) { // bottom rect 334 storage->left = lhs.left; 335 storage->top = rhs.bottom; 336 storage->right = lhs.right; 337 storage->bottom = lhs.bottom; 338 storage++; 339 } 340 reg.count = storage - reg.storage; 341 } 342 return reg; 343 } 344 bool isEmpty() const { 345 return count<=0; 346 } 347 private: 348 Rect storage[4]; 349 ssize_t count; 350 }; 351 352 void copyBlt( 353 ANativeWindowBuffer* dst, void* dst_vaddr, 354 ANativeWindowBuffer* src, void const* src_vaddr, 355 const Region& clip); 356 357 Rect dirtyRegion; 358 Rect oldDirtyRegion; 359 }; 360 361 egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, 362 EGLConfig config, 363 int32_t depthFormat, 364 ANativeWindow* window) 365 : egl_surface_t(dpy, config, depthFormat), 366 nativeWindow(window), buffer(0), previousBuffer(0), bits(NULL) 367 { 368 369 pixelFormatTable = gglGetPixelFormatTable(); 370 371 // keep a reference on the window 372 nativeWindow->common.incRef(&nativeWindow->common); 373 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); 374 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); 375 } 376 377 egl_window_surface_v2_t::~egl_window_surface_v2_t() { 378 if (buffer) { 379 buffer->common.decRef(&buffer->common); 380 } 381 if (previousBuffer) { 382 previousBuffer->common.decRef(&previousBuffer->common); 383 } 384 nativeWindow->common.decRef(&nativeWindow->common); 385 } 386 387 EGLBoolean egl_window_surface_v2_t::connect() 388 { 389 // we're intending to do software rendering 390 native_window_set_usage(nativeWindow, 391 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); 392 393 // dequeue a buffer 394 int fenceFd = -1; 395 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, 396 &fenceFd) != NO_ERROR) { 397 return setError(EGL_BAD_ALLOC, EGL_FALSE); 398 } 399 400 // wait for the buffer 401 sp<Fence> fence(new Fence(fenceFd)); 402 if (fence->wait(Fence::TIMEOUT_NEVER) != NO_ERROR) { 403 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 404 return setError(EGL_BAD_ALLOC, EGL_FALSE); 405 } 406 407 // allocate a corresponding depth-buffer 408 width = buffer->width; 409 height = buffer->height; 410 if (depth.format) { 411 depth.width = width; 412 depth.height = height; 413 depth.stride = depth.width; // use the width here 414 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 415 static_cast<uint64_t>(depth.height) * 2; 416 if (depth.stride < 0 || depth.height > INT_MAX || 417 allocSize > UINT32_MAX) { 418 return setError(EGL_BAD_ALLOC, EGL_FALSE); 419 } 420 depth.data = (GGLubyte*)malloc(allocSize); 421 if (depth.data == 0) { 422 return setError(EGL_BAD_ALLOC, EGL_FALSE); 423 } 424 } 425 426 // keep a reference on the buffer 427 buffer->common.incRef(&buffer->common); 428 429 // pin the buffer down 430 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 431 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 432 ALOGE("connect() failed to lock buffer %p (%ux%u)", 433 buffer, buffer->width, buffer->height); 434 return setError(EGL_BAD_ACCESS, EGL_FALSE); 435 // FIXME: we should make sure we're not accessing the buffer anymore 436 } 437 return EGL_TRUE; 438 } 439 440 void egl_window_surface_v2_t::disconnect() 441 { 442 if (buffer && bits) { 443 bits = NULL; 444 unlock(buffer); 445 } 446 if (buffer) { 447 nativeWindow->cancelBuffer(nativeWindow, buffer, -1); 448 buffer->common.decRef(&buffer->common); 449 buffer = 0; 450 } 451 if (previousBuffer) { 452 previousBuffer->common.decRef(&previousBuffer->common); 453 previousBuffer = 0; 454 } 455 } 456 457 status_t egl_window_surface_v2_t::lock( 458 ANativeWindowBuffer* buf, int usage, void** vaddr) 459 { 460 auto& mapper = GraphicBufferMapper::get(); 461 return mapper.lock(buf->handle, usage, 462 android::Rect(buf->width, buf->height), vaddr); 463 } 464 465 status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf) 466 { 467 if (!buf) return BAD_VALUE; 468 auto& mapper = GraphicBufferMapper::get(); 469 return mapper.unlock(buf->handle); 470 } 471 472 void egl_window_surface_v2_t::copyBlt( 473 ANativeWindowBuffer* dst, void* dst_vaddr, 474 ANativeWindowBuffer* src, void const* src_vaddr, 475 const Region& clip) 476 { 477 // NOTE: dst and src must be the same format 478 479 Region::const_iterator cur = clip.begin(); 480 Region::const_iterator end = clip.end(); 481 482 const size_t bpp = pixelFormatTable[src->format].size; 483 const size_t dbpr = dst->stride * bpp; 484 const size_t sbpr = src->stride * bpp; 485 486 uint8_t const * const src_bits = (uint8_t const *)src_vaddr; 487 uint8_t * const dst_bits = (uint8_t *)dst_vaddr; 488 489 while (cur != end) { 490 const Rect& r(*cur++); 491 ssize_t w = r.right - r.left; 492 ssize_t h = r.bottom - r.top; 493 if (w <= 0 || h<=0) continue; 494 size_t size = w * bpp; 495 uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; 496 uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; 497 if (dbpr==sbpr && size==sbpr) { 498 size *= h; 499 h = 1; 500 } 501 do { 502 memcpy(d, s, size); 503 d += dbpr; 504 s += sbpr; 505 } while (--h > 0); 506 } 507 } 508 509 EGLBoolean egl_window_surface_v2_t::swapBuffers() 510 { 511 if (!buffer) { 512 return setError(EGL_BAD_ACCESS, EGL_FALSE); 513 } 514 515 /* 516 * Handle eglSetSwapRectangleANDROID() 517 * We copyback from the front buffer 518 */ 519 if (!dirtyRegion.isEmpty()) { 520 dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); 521 if (previousBuffer) { 522 // This was const Region copyBack, but that causes an 523 // internal compile error on simulator builds 524 /*const*/ Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); 525 if (!copyBack.isEmpty()) { 526 void* prevBits; 527 if (lock(previousBuffer, 528 GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { 529 // copy from previousBuffer to buffer 530 copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); 531 unlock(previousBuffer); 532 } 533 } 534 } 535 oldDirtyRegion = dirtyRegion; 536 } 537 538 if (previousBuffer) { 539 previousBuffer->common.decRef(&previousBuffer->common); 540 previousBuffer = 0; 541 } 542 543 unlock(buffer); 544 previousBuffer = buffer; 545 nativeWindow->queueBuffer(nativeWindow, buffer, -1); 546 buffer = 0; 547 548 // dequeue a new buffer 549 int fenceFd = -1; 550 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &fenceFd) == NO_ERROR) { 551 sp<Fence> fence(new Fence(fenceFd)); 552 if (fence->wait(Fence::TIMEOUT_NEVER)) { 553 nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); 554 return setError(EGL_BAD_ALLOC, EGL_FALSE); 555 } 556 557 // reallocate the depth-buffer if needed 558 if ((width != buffer->width) || (height != buffer->height)) { 559 // TODO: we probably should reset the swap rect here 560 // if the window size has changed 561 width = buffer->width; 562 height = buffer->height; 563 if (depth.data) { 564 free(depth.data); 565 depth.width = width; 566 depth.height = height; 567 depth.stride = buffer->stride; 568 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 569 static_cast<uint64_t>(depth.height) * 2; 570 if (depth.stride < 0 || depth.height > INT_MAX || 571 allocSize > UINT32_MAX) { 572 setError(EGL_BAD_ALLOC, EGL_FALSE); 573 return EGL_FALSE; 574 } 575 depth.data = (GGLubyte*)malloc(allocSize); 576 if (depth.data == 0) { 577 setError(EGL_BAD_ALLOC, EGL_FALSE); 578 return EGL_FALSE; 579 } 580 } 581 } 582 583 // keep a reference on the buffer 584 buffer->common.incRef(&buffer->common); 585 586 // finally pin the buffer down 587 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 588 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 589 ALOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", 590 buffer, buffer->width, buffer->height); 591 return setError(EGL_BAD_ACCESS, EGL_FALSE); 592 // FIXME: we should make sure we're not accessing the buffer anymore 593 } 594 } else { 595 return setError(EGL_BAD_CURRENT_SURFACE, EGL_FALSE); 596 } 597 598 return EGL_TRUE; 599 } 600 601 EGLBoolean egl_window_surface_v2_t::setSwapRectangle( 602 EGLint l, EGLint t, EGLint w, EGLint h) 603 { 604 dirtyRegion = Rect(l, t, l+w, t+h); 605 return EGL_TRUE; 606 } 607 608 EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) 609 { 610 GGLSurface buffer; 611 buffer.version = sizeof(GGLSurface); 612 buffer.width = this->buffer->width; 613 buffer.height = this->buffer->height; 614 buffer.stride = this->buffer->stride; 615 buffer.data = (GGLubyte*)bits; 616 buffer.format = this->buffer->format; 617 gl->rasterizer.procs.colorBuffer(gl, &buffer); 618 if (depth.data != gl->rasterizer.state.buffers.depth.data) 619 gl->rasterizer.procs.depthBuffer(gl, &depth); 620 621 return EGL_TRUE; 622 } 623 EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) 624 { 625 GGLSurface buffer; 626 buffer.version = sizeof(GGLSurface); 627 buffer.width = this->buffer->width; 628 buffer.height = this->buffer->height; 629 buffer.stride = this->buffer->stride; 630 buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! 631 buffer.format = this->buffer->format; 632 gl->rasterizer.procs.readBuffer(gl, &buffer); 633 return EGL_TRUE; 634 } 635 EGLint egl_window_surface_v2_t::getHorizontalResolution() const { 636 return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 637 } 638 EGLint egl_window_surface_v2_t::getVerticalResolution() const { 639 return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 640 } 641 EGLint egl_window_surface_v2_t::getRefreshRate() const { 642 return (60 * EGL_DISPLAY_SCALING); // FIXME 643 } 644 EGLint egl_window_surface_v2_t::getSwapBehavior() const 645 { 646 /* 647 * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves 648 * the content of the swapped buffer. 649 * 650 * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. 651 * 652 * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED 653 * only applies to the area specified by eglSetSwapRectangleANDROID(), that 654 * is, everything outside of this area is preserved. 655 * 656 * This implementation of EGL assumes the later case. 657 * 658 */ 659 660 return EGL_BUFFER_DESTROYED; 661 } 662 663 // ---------------------------------------------------------------------------- 664 665 struct egl_pixmap_surface_t : public egl_surface_t 666 { 667 egl_pixmap_surface_t( 668 EGLDisplay dpy, EGLConfig config, 669 int32_t depthFormat, 670 egl_native_pixmap_t const * pixmap); 671 672 virtual ~egl_pixmap_surface_t() { } 673 674 virtual bool initCheck() const { return !depth.format || depth.data!=0; } 675 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 676 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 677 virtual EGLint getWidth() const { return nativePixmap.width; } 678 virtual EGLint getHeight() const { return nativePixmap.height; } 679 private: 680 egl_native_pixmap_t nativePixmap; 681 }; 682 683 egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, 684 EGLConfig config, 685 int32_t depthFormat, 686 egl_native_pixmap_t const * pixmap) 687 : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) 688 { 689 if (depthFormat) { 690 depth.width = pixmap->width; 691 depth.height = pixmap->height; 692 depth.stride = depth.width; // use the width here 693 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 694 static_cast<uint64_t>(depth.height) * 2; 695 if (depth.stride < 0 || depth.height > INT_MAX || 696 allocSize > UINT32_MAX) { 697 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 698 return; 699 } 700 depth.data = (GGLubyte*)malloc(allocSize); 701 if (depth.data == 0) { 702 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 703 } 704 } 705 } 706 EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) 707 { 708 GGLSurface buffer; 709 buffer.version = sizeof(GGLSurface); 710 buffer.width = nativePixmap.width; 711 buffer.height = nativePixmap.height; 712 buffer.stride = nativePixmap.stride; 713 buffer.data = nativePixmap.data; 714 buffer.format = nativePixmap.format; 715 716 gl->rasterizer.procs.colorBuffer(gl, &buffer); 717 if (depth.data != gl->rasterizer.state.buffers.depth.data) 718 gl->rasterizer.procs.depthBuffer(gl, &depth); 719 return EGL_TRUE; 720 } 721 EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) 722 { 723 GGLSurface buffer; 724 buffer.version = sizeof(GGLSurface); 725 buffer.width = nativePixmap.width; 726 buffer.height = nativePixmap.height; 727 buffer.stride = nativePixmap.stride; 728 buffer.data = nativePixmap.data; 729 buffer.format = nativePixmap.format; 730 gl->rasterizer.procs.readBuffer(gl, &buffer); 731 return EGL_TRUE; 732 } 733 734 // ---------------------------------------------------------------------------- 735 736 struct egl_pbuffer_surface_t : public egl_surface_t 737 { 738 egl_pbuffer_surface_t( 739 EGLDisplay dpy, EGLConfig config, int32_t depthFormat, 740 int32_t w, int32_t h, int32_t f); 741 742 virtual ~egl_pbuffer_surface_t(); 743 744 virtual bool initCheck() const { return pbuffer.data != 0; } 745 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 746 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 747 virtual EGLint getWidth() const { return pbuffer.width; } 748 virtual EGLint getHeight() const { return pbuffer.height; } 749 private: 750 GGLSurface pbuffer; 751 }; 752 753 egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, 754 EGLConfig config, int32_t depthFormat, 755 int32_t w, int32_t h, int32_t f) 756 : egl_surface_t(dpy, config, depthFormat) 757 { 758 size_t size = w*h; 759 switch (f) { 760 case GGL_PIXEL_FORMAT_A_8: size *= 1; break; 761 case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; 762 case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; 763 case GGL_PIXEL_FORMAT_RGBX_8888: size *= 4; break; 764 case GGL_PIXEL_FORMAT_BGRA_8888: size *= 4; break; 765 default: 766 ALOGE("incompatible pixel format for pbuffer (format=%d)", f); 767 pbuffer.data = 0; 768 break; 769 } 770 pbuffer.version = sizeof(GGLSurface); 771 pbuffer.width = w; 772 pbuffer.height = h; 773 pbuffer.stride = w; 774 pbuffer.data = (GGLubyte*)malloc(size); 775 pbuffer.format = f; 776 777 if (depthFormat) { 778 depth.width = pbuffer.width; 779 depth.height = pbuffer.height; 780 depth.stride = depth.width; // use the width here 781 uint64_t allocSize = static_cast<uint64_t>(depth.stride) * 782 static_cast<uint64_t>(depth.height) * 2; 783 if (depth.stride < 0 || depth.height > INT_MAX || 784 allocSize > UINT32_MAX) { 785 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 786 return; 787 } 788 depth.data = (GGLubyte*)malloc(allocSize); 789 if (depth.data == 0) { 790 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 791 return; 792 } 793 } 794 } 795 egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { 796 free(pbuffer.data); 797 } 798 EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) 799 { 800 gl->rasterizer.procs.colorBuffer(gl, &pbuffer); 801 if (depth.data != gl->rasterizer.state.buffers.depth.data) 802 gl->rasterizer.procs.depthBuffer(gl, &depth); 803 return EGL_TRUE; 804 } 805 EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) 806 { 807 gl->rasterizer.procs.readBuffer(gl, &pbuffer); 808 return EGL_TRUE; 809 } 810 811 // ---------------------------------------------------------------------------- 812 813 struct config_pair_t { 814 GLint key; 815 GLint value; 816 }; 817 818 struct configs_t { 819 const config_pair_t* array; 820 int size; 821 }; 822 823 struct config_management_t { 824 GLint key; 825 bool (*match)(GLint reqValue, GLint confValue); 826 static bool atLeast(GLint reqValue, GLint confValue) { 827 return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); 828 } 829 static bool exact(GLint reqValue, GLint confValue) { 830 return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); 831 } 832 static bool mask(GLint reqValue, GLint confValue) { 833 return (confValue & reqValue) == reqValue; 834 } 835 static bool ignore(GLint /*reqValue*/, GLint /*confValue*/) { 836 return true; 837 } 838 }; 839 840 // ---------------------------------------------------------------------------- 841 842 #define VERSION_MAJOR 1 843 #define VERSION_MINOR 2 844 static char const * const gVendorString = "Google Inc."; 845 static char const * const gVersionString = "1.2 Android Driver 1.2.0"; 846 static char const * const gClientApiString = "OpenGL_ES"; 847 static char const * const gExtensionsString = 848 "EGL_KHR_fence_sync " 849 "EGL_KHR_image_base " 850 // "KHR_image_pixmap " 851 "EGL_ANDROID_image_native_buffer " 852 "EGL_ANDROID_swap_rectangle " 853 ; 854 855 // ---------------------------------------------------------------------------- 856 857 struct extention_map_t { 858 const char * const name; 859 __eglMustCastToProperFunctionPointerType address; 860 }; 861 862 static const extention_map_t gExtentionMap[] = { 863 { "glDrawTexsOES", 864 (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, 865 { "glDrawTexiOES", 866 (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, 867 { "glDrawTexfOES", 868 (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, 869 { "glDrawTexxOES", 870 (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, 871 { "glDrawTexsvOES", 872 (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, 873 { "glDrawTexivOES", 874 (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, 875 { "glDrawTexfvOES", 876 (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, 877 { "glDrawTexxvOES", 878 (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, 879 { "glQueryMatrixxOES", 880 (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, 881 { "glEGLImageTargetTexture2DOES", 882 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, 883 { "glEGLImageTargetRenderbufferStorageOES", 884 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, 885 { "glClipPlanef", 886 (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, 887 { "glClipPlanex", 888 (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, 889 { "glBindBuffer", 890 (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, 891 { "glBufferData", 892 (__eglMustCastToProperFunctionPointerType)&glBufferData }, 893 { "glBufferSubData", 894 (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, 895 { "glDeleteBuffers", 896 (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, 897 { "glGenBuffers", 898 (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, 899 { "eglCreateImageKHR", 900 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 901 { "eglDestroyImageKHR", 902 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 903 { "eglCreateSyncKHR", 904 (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR }, 905 { "eglDestroySyncKHR", 906 (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR }, 907 { "eglClientWaitSyncKHR", 908 (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR }, 909 { "eglGetSyncAttribKHR", 910 (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR }, 911 { "eglSetSwapRectangleANDROID", 912 (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 913 }; 914 915 /* 916 * In the lists below, attributes names MUST be sorted. 917 * Additionally, all configs must be sorted according to 918 * the EGL specification. 919 */ 920 921 static config_pair_t const config_base_attribute_list[] = { 922 { EGL_STENCIL_SIZE, 0 }, 923 { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, 924 { EGL_LEVEL, 0 }, 925 { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, 926 { EGL_MAX_PBUFFER_PIXELS, 927 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, 928 { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, 929 { EGL_NATIVE_RENDERABLE, EGL_TRUE }, 930 { EGL_NATIVE_VISUAL_ID, 0 }, 931 { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, 932 { EGL_SAMPLES, 0 }, 933 { EGL_SAMPLE_BUFFERS, 0 }, 934 { EGL_TRANSPARENT_TYPE, EGL_NONE }, 935 { EGL_TRANSPARENT_BLUE_VALUE, 0 }, 936 { EGL_TRANSPARENT_GREEN_VALUE, 0 }, 937 { EGL_TRANSPARENT_RED_VALUE, 0 }, 938 { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, 939 { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, 940 { EGL_MIN_SWAP_INTERVAL, 1 }, 941 { EGL_MAX_SWAP_INTERVAL, 1 }, 942 { EGL_LUMINANCE_SIZE, 0 }, 943 { EGL_ALPHA_MASK_SIZE, 0 }, 944 { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, 945 { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, 946 { EGL_CONFORMANT, 0 } 947 }; 948 949 // These configs can override the base attribute list 950 // NOTE: when adding a config here, don't forget to update eglCreate*Surface() 951 952 // 565 configs 953 static config_pair_t const config_0_attribute_list[] = { 954 { EGL_BUFFER_SIZE, 16 }, 955 { EGL_ALPHA_SIZE, 0 }, 956 { EGL_BLUE_SIZE, 5 }, 957 { EGL_GREEN_SIZE, 6 }, 958 { EGL_RED_SIZE, 5 }, 959 { EGL_DEPTH_SIZE, 0 }, 960 { EGL_CONFIG_ID, 0 }, 961 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 962 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 963 }; 964 965 static config_pair_t const config_1_attribute_list[] = { 966 { EGL_BUFFER_SIZE, 16 }, 967 { EGL_ALPHA_SIZE, 0 }, 968 { EGL_BLUE_SIZE, 5 }, 969 { EGL_GREEN_SIZE, 6 }, 970 { EGL_RED_SIZE, 5 }, 971 { EGL_DEPTH_SIZE, 16 }, 972 { EGL_CONFIG_ID, 1 }, 973 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, 974 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 975 }; 976 977 // RGB 888 configs 978 static config_pair_t const config_2_attribute_list[] = { 979 { EGL_BUFFER_SIZE, 32 }, 980 { EGL_ALPHA_SIZE, 0 }, 981 { EGL_BLUE_SIZE, 8 }, 982 { EGL_GREEN_SIZE, 8 }, 983 { EGL_RED_SIZE, 8 }, 984 { EGL_DEPTH_SIZE, 0 }, 985 { EGL_CONFIG_ID, 6 }, 986 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 987 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 988 }; 989 990 static config_pair_t const config_3_attribute_list[] = { 991 { EGL_BUFFER_SIZE, 32 }, 992 { EGL_ALPHA_SIZE, 0 }, 993 { EGL_BLUE_SIZE, 8 }, 994 { EGL_GREEN_SIZE, 8 }, 995 { EGL_RED_SIZE, 8 }, 996 { EGL_DEPTH_SIZE, 16 }, 997 { EGL_CONFIG_ID, 7 }, 998 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, 999 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1000 }; 1001 1002 // 8888 configs 1003 static config_pair_t const config_4_attribute_list[] = { 1004 { EGL_BUFFER_SIZE, 32 }, 1005 { EGL_ALPHA_SIZE, 8 }, 1006 { EGL_BLUE_SIZE, 8 }, 1007 { EGL_GREEN_SIZE, 8 }, 1008 { EGL_RED_SIZE, 8 }, 1009 { EGL_DEPTH_SIZE, 0 }, 1010 { EGL_CONFIG_ID, 2 }, 1011 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1012 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1013 }; 1014 1015 static config_pair_t const config_5_attribute_list[] = { 1016 { EGL_BUFFER_SIZE, 32 }, 1017 { EGL_ALPHA_SIZE, 8 }, 1018 { EGL_BLUE_SIZE, 8 }, 1019 { EGL_GREEN_SIZE, 8 }, 1020 { EGL_RED_SIZE, 8 }, 1021 { EGL_DEPTH_SIZE, 16 }, 1022 { EGL_CONFIG_ID, 3 }, 1023 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, 1024 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1025 }; 1026 1027 // A8 configs 1028 static config_pair_t const config_6_attribute_list[] = { 1029 { EGL_BUFFER_SIZE, 8 }, 1030 { EGL_ALPHA_SIZE, 8 }, 1031 { EGL_BLUE_SIZE, 0 }, 1032 { EGL_GREEN_SIZE, 0 }, 1033 { EGL_RED_SIZE, 0 }, 1034 { EGL_DEPTH_SIZE, 0 }, 1035 { EGL_CONFIG_ID, 4 }, 1036 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1037 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1038 }; 1039 1040 static config_pair_t const config_7_attribute_list[] = { 1041 { EGL_BUFFER_SIZE, 8 }, 1042 { EGL_ALPHA_SIZE, 8 }, 1043 { EGL_BLUE_SIZE, 0 }, 1044 { EGL_GREEN_SIZE, 0 }, 1045 { EGL_RED_SIZE, 0 }, 1046 { EGL_DEPTH_SIZE, 16 }, 1047 { EGL_CONFIG_ID, 5 }, 1048 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, 1049 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1050 }; 1051 1052 // BGRA 8888 config 1053 static config_pair_t const config_8_attribute_list[] = { 1054 { EGL_BUFFER_SIZE, 32 }, 1055 { EGL_ALPHA_SIZE, 8 }, 1056 { EGL_BLUE_SIZE, 8 }, 1057 { EGL_GREEN_SIZE, 8 }, 1058 { EGL_RED_SIZE, 8 }, 1059 { EGL_DEPTH_SIZE, 0 }, 1060 { EGL_CONFIG_ID, 8 }, 1061 { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_BGRA_8888 }, 1062 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1063 }; 1064 1065 static configs_t const gConfigs[] = { 1066 { config_0_attribute_list, NELEM(config_0_attribute_list) }, 1067 { config_1_attribute_list, NELEM(config_1_attribute_list) }, 1068 { config_2_attribute_list, NELEM(config_2_attribute_list) }, 1069 { config_3_attribute_list, NELEM(config_3_attribute_list) }, 1070 { config_4_attribute_list, NELEM(config_4_attribute_list) }, 1071 { config_5_attribute_list, NELEM(config_5_attribute_list) }, 1072 { config_6_attribute_list, NELEM(config_6_attribute_list) }, 1073 { config_7_attribute_list, NELEM(config_7_attribute_list) }, 1074 { config_8_attribute_list, NELEM(config_8_attribute_list) }, 1075 }; 1076 1077 static config_management_t const gConfigManagement[] = { 1078 { EGL_BUFFER_SIZE, config_management_t::atLeast }, 1079 { EGL_ALPHA_SIZE, config_management_t::atLeast }, 1080 { EGL_BLUE_SIZE, config_management_t::atLeast }, 1081 { EGL_GREEN_SIZE, config_management_t::atLeast }, 1082 { EGL_RED_SIZE, config_management_t::atLeast }, 1083 { EGL_DEPTH_SIZE, config_management_t::atLeast }, 1084 { EGL_STENCIL_SIZE, config_management_t::atLeast }, 1085 { EGL_CONFIG_CAVEAT, config_management_t::exact }, 1086 { EGL_CONFIG_ID, config_management_t::exact }, 1087 { EGL_LEVEL, config_management_t::exact }, 1088 { EGL_MAX_PBUFFER_HEIGHT, config_management_t::ignore }, 1089 { EGL_MAX_PBUFFER_PIXELS, config_management_t::ignore }, 1090 { EGL_MAX_PBUFFER_WIDTH, config_management_t::ignore }, 1091 { EGL_NATIVE_RENDERABLE, config_management_t::exact }, 1092 { EGL_NATIVE_VISUAL_ID, config_management_t::ignore }, 1093 { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, 1094 { EGL_SAMPLES, config_management_t::exact }, 1095 { EGL_SAMPLE_BUFFERS, config_management_t::exact }, 1096 { EGL_SURFACE_TYPE, config_management_t::mask }, 1097 { EGL_TRANSPARENT_TYPE, config_management_t::exact }, 1098 { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, 1099 { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, 1100 { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, 1101 { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, 1102 { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, 1103 { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, 1104 { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, 1105 { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, 1106 { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, 1107 { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, 1108 { EGL_RENDERABLE_TYPE, config_management_t::mask }, 1109 { EGL_CONFORMANT, config_management_t::mask } 1110 }; 1111 1112 1113 static config_pair_t const config_defaults[] = { 1114 // attributes that are not specified are simply ignored, if a particular 1115 // one needs not be ignored, it must be specified here, eg: 1116 // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, 1117 }; 1118 1119 // ---------------------------------------------------------------------------- 1120 1121 static status_t getConfigFormatInfo(EGLint configID, 1122 int32_t& pixelFormat, int32_t& depthFormat) 1123 { 1124 switch(configID) { 1125 case 0: 1126 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1127 depthFormat = 0; 1128 break; 1129 case 1: 1130 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1131 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1132 break; 1133 case 2: 1134 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1135 depthFormat = 0; 1136 break; 1137 case 3: 1138 pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; 1139 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1140 break; 1141 case 4: 1142 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1143 depthFormat = 0; 1144 break; 1145 case 5: 1146 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1147 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1148 break; 1149 case 6: 1150 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1151 depthFormat = 0; 1152 break; 1153 case 7: 1154 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1155 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1156 break; 1157 case 8: 1158 pixelFormat = GGL_PIXEL_FORMAT_BGRA_8888; 1159 depthFormat = 0; 1160 break; 1161 default: 1162 return NAME_NOT_FOUND; 1163 } 1164 return NO_ERROR; 1165 } 1166 1167 // ---------------------------------------------------------------------------- 1168 1169 template<typename T> 1170 static int binarySearch(T const sortedArray[], int first, int last, EGLint key) 1171 { 1172 while (first <= last) { 1173 int mid = (first + last) / 2; 1174 if (key > sortedArray[mid].key) { 1175 first = mid + 1; 1176 } else if (key < sortedArray[mid].key) { 1177 last = mid - 1; 1178 } else { 1179 return mid; 1180 } 1181 } 1182 return -1; 1183 } 1184 1185 static int isAttributeMatching(int i, EGLint attr, EGLint val) 1186 { 1187 // look for the attribute in all of our configs 1188 config_pair_t const* configFound = gConfigs[i].array; 1189 int index = binarySearch<config_pair_t>( 1190 gConfigs[i].array, 1191 0, gConfigs[i].size-1, 1192 attr); 1193 if (index < 0) { 1194 configFound = config_base_attribute_list; 1195 index = binarySearch<config_pair_t>( 1196 config_base_attribute_list, 1197 0, NELEM(config_base_attribute_list)-1, 1198 attr); 1199 } 1200 if (index >= 0) { 1201 // attribute found, check if this config could match 1202 int cfgMgtIndex = binarySearch<config_management_t>( 1203 gConfigManagement, 1204 0, NELEM(gConfigManagement)-1, 1205 attr); 1206 if (cfgMgtIndex >= 0) { 1207 bool match = gConfigManagement[cfgMgtIndex].match( 1208 val, configFound[index].value); 1209 if (match) { 1210 // this config matches 1211 return 1; 1212 } 1213 } else { 1214 // attribute not found. this should NEVER happen. 1215 } 1216 } else { 1217 // error, this attribute doesn't exist 1218 } 1219 return 0; 1220 } 1221 1222 static int makeCurrent(ogles_context_t* gl) 1223 { 1224 ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); 1225 if (gl) { 1226 egl_context_t* c = egl_context_t::context(gl); 1227 if (c->flags & egl_context_t::IS_CURRENT) { 1228 if (current != gl) { 1229 // it is an error to set a context current, if it's already 1230 // current to another thread 1231 return -1; 1232 } 1233 } else { 1234 if (current) { 1235 // mark the current context as not current, and flush 1236 glFlush(); 1237 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1238 } 1239 } 1240 if (!(c->flags & egl_context_t::IS_CURRENT)) { 1241 // The context is not current, make it current! 1242 setGlThreadSpecific(gl); 1243 c->flags |= egl_context_t::IS_CURRENT; 1244 } 1245 } else { 1246 if (current) { 1247 // mark the current context as not current, and flush 1248 glFlush(); 1249 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1250 } 1251 // this thread has no context attached to it 1252 setGlThreadSpecific(0); 1253 } 1254 return 0; 1255 } 1256 1257 static EGLBoolean getConfigAttrib(EGLDisplay /*dpy*/, EGLConfig config, 1258 EGLint attribute, EGLint *value) 1259 { 1260 size_t numConfigs = NELEM(gConfigs); 1261 int index = (int)(uintptr_t)config; 1262 if (uint32_t(index) >= numConfigs) 1263 return setError(EGL_BAD_CONFIG, EGL_FALSE); 1264 1265 int attrIndex; 1266 attrIndex = binarySearch<config_pair_t>( 1267 gConfigs[index].array, 1268 0, gConfigs[index].size-1, 1269 attribute); 1270 if (attrIndex>=0) { 1271 *value = gConfigs[index].array[attrIndex].value; 1272 return EGL_TRUE; 1273 } 1274 1275 attrIndex = binarySearch<config_pair_t>( 1276 config_base_attribute_list, 1277 0, NELEM(config_base_attribute_list)-1, 1278 attribute); 1279 if (attrIndex>=0) { 1280 *value = config_base_attribute_list[attrIndex].value; 1281 return EGL_TRUE; 1282 } 1283 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1284 } 1285 1286 static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, 1287 NativeWindowType window, const EGLint* /*attrib_list*/) 1288 { 1289 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1290 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1291 if (window == 0) 1292 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1293 1294 EGLint surfaceType; 1295 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1296 return EGL_FALSE; 1297 1298 if (!(surfaceType & EGL_WINDOW_BIT)) 1299 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1300 1301 if (static_cast<ANativeWindow*>(window)->common.magic != 1302 ANDROID_NATIVE_WINDOW_MAGIC) { 1303 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); 1304 } 1305 1306 EGLint configID; 1307 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1308 return EGL_FALSE; 1309 1310 int32_t depthFormat; 1311 int32_t pixelFormat; 1312 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1313 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1314 } 1315 1316 // FIXME: we don't have access to the pixelFormat here just yet. 1317 // (it's possible that the surface is not fully initialized) 1318 // maybe this should be done after the page-flip 1319 //if (EGLint(info.format) != pixelFormat) 1320 // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1321 1322 egl_surface_t* surface; 1323 surface = new egl_window_surface_v2_t(dpy, config, depthFormat, 1324 static_cast<ANativeWindow*>(window)); 1325 1326 if (!surface->initCheck()) { 1327 // there was a problem in the ctor, the error 1328 // flag has been set. 1329 delete surface; 1330 surface = 0; 1331 } 1332 return surface; 1333 } 1334 1335 static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, 1336 NativePixmapType pixmap, const EGLint* /*attrib_list*/) 1337 { 1338 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1339 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1340 if (pixmap == 0) 1341 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1342 1343 EGLint surfaceType; 1344 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1345 return EGL_FALSE; 1346 1347 if (!(surfaceType & EGL_PIXMAP_BIT)) 1348 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1349 1350 if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 1351 sizeof(egl_native_pixmap_t)) { 1352 return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); 1353 } 1354 1355 EGLint configID; 1356 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1357 return EGL_FALSE; 1358 1359 int32_t depthFormat; 1360 int32_t pixelFormat; 1361 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1362 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1363 } 1364 1365 if (pixmap->format != pixelFormat) 1366 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1367 1368 egl_surface_t* surface = 1369 new egl_pixmap_surface_t(dpy, config, depthFormat, 1370 static_cast<egl_native_pixmap_t*>(pixmap)); 1371 1372 if (!surface->initCheck()) { 1373 // there was a problem in the ctor, the error 1374 // flag has been set. 1375 delete surface; 1376 surface = 0; 1377 } 1378 return surface; 1379 } 1380 1381 static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, 1382 const EGLint *attrib_list) 1383 { 1384 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1385 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1386 1387 EGLint surfaceType; 1388 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1389 return EGL_FALSE; 1390 1391 if (!(surfaceType & EGL_PBUFFER_BIT)) 1392 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1393 1394 EGLint configID; 1395 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1396 return EGL_FALSE; 1397 1398 int32_t depthFormat; 1399 int32_t pixelFormat; 1400 if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { 1401 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1402 } 1403 1404 int32_t w = 0; 1405 int32_t h = 0; 1406 while (attrib_list[0] != EGL_NONE) { 1407 if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; 1408 if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; 1409 attrib_list+=2; 1410 } 1411 1412 egl_surface_t* surface = 1413 new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); 1414 1415 if (!surface->initCheck()) { 1416 // there was a problem in the ctor, the error 1417 // flag has been set. 1418 delete surface; 1419 surface = 0; 1420 } 1421 return surface; 1422 } 1423 1424 // ---------------------------------------------------------------------------- 1425 }; // namespace android 1426 // ---------------------------------------------------------------------------- 1427 1428 using namespace android; 1429 1430 // ---------------------------------------------------------------------------- 1431 // Initialization 1432 // ---------------------------------------------------------------------------- 1433 1434 EGLDisplay eglGetDisplay(NativeDisplayType display) 1435 { 1436 #ifndef __ANDROID__ 1437 // this just needs to be done once 1438 if (gGLKey == -1) { 1439 pthread_mutex_lock(&gInitMutex); 1440 if (gGLKey == -1) 1441 pthread_key_create(&gGLKey, NULL); 1442 pthread_mutex_unlock(&gInitMutex); 1443 } 1444 #endif 1445 if (display == EGL_DEFAULT_DISPLAY) { 1446 EGLDisplay dpy = (EGLDisplay)1; 1447 egl_display_t& d = egl_display_t::get_display(dpy); 1448 d.type = display; 1449 return dpy; 1450 } 1451 return EGL_NO_DISPLAY; 1452 } 1453 1454 EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) 1455 { 1456 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1457 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1458 1459 EGLBoolean res = EGL_TRUE; 1460 egl_display_t& d = egl_display_t::get_display(dpy); 1461 1462 if (d.initialized.fetch_add(1, std::memory_order_acquire) == 0) { 1463 // initialize stuff here if needed 1464 //pthread_mutex_lock(&gInitMutex); 1465 //pthread_mutex_unlock(&gInitMutex); 1466 } 1467 1468 if (res == EGL_TRUE) { 1469 if (major != NULL) *major = VERSION_MAJOR; 1470 if (minor != NULL) *minor = VERSION_MINOR; 1471 } 1472 return res; 1473 } 1474 1475 EGLBoolean eglTerminate(EGLDisplay dpy) 1476 { 1477 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1478 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1479 1480 EGLBoolean res = EGL_TRUE; 1481 egl_display_t& d = egl_display_t::get_display(dpy); 1482 if (d.initialized.fetch_sub(1, std::memory_order_release) == 1) { 1483 std::atomic_thread_fence(std::memory_order_acquire); 1484 // TODO: destroy all resources (surfaces, contexts, etc...) 1485 //pthread_mutex_lock(&gInitMutex); 1486 //pthread_mutex_unlock(&gInitMutex); 1487 } 1488 return res; 1489 } 1490 1491 // ---------------------------------------------------------------------------- 1492 // configuration 1493 // ---------------------------------------------------------------------------- 1494 1495 EGLBoolean eglGetConfigs( EGLDisplay dpy, 1496 EGLConfig *configs, 1497 EGLint config_size, EGLint *num_config) 1498 { 1499 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1500 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1501 1502 if (ggl_unlikely(num_config==NULL)) 1503 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1504 1505 GLint numConfigs = NELEM(gConfigs); 1506 if (!configs) { 1507 *num_config = numConfigs; 1508 return EGL_TRUE; 1509 } 1510 GLint i; 1511 for (i=0 ; i<numConfigs && i<config_size ; i++) { 1512 *configs++ = (EGLConfig)(uintptr_t)i; 1513 } 1514 *num_config = i; 1515 return EGL_TRUE; 1516 } 1517 1518 EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, 1519 EGLConfig *configs, EGLint config_size, 1520 EGLint *num_config) 1521 { 1522 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1523 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1524 1525 if (ggl_unlikely(num_config==NULL)) { 1526 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1527 } 1528 1529 if (ggl_unlikely(attrib_list==0)) { 1530 /* 1531 * A NULL attrib_list should be treated as though it was an empty 1532 * one (terminated with EGL_NONE) as defined in 1533 * section 3.4.1 "Querying Configurations" in the EGL specification. 1534 */ 1535 static const EGLint dummy = EGL_NONE; 1536 attrib_list = &dummy; 1537 } 1538 1539 int numAttributes = 0; 1540 int numConfigs = NELEM(gConfigs); 1541 uint32_t possibleMatch = (1<<numConfigs)-1; 1542 while(possibleMatch && *attrib_list != EGL_NONE) { 1543 numAttributes++; 1544 EGLint attr = *attrib_list++; 1545 EGLint val = *attrib_list++; 1546 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1547 if (!(possibleMatch & (1<<i))) 1548 continue; 1549 if (isAttributeMatching(i, attr, val) == 0) { 1550 possibleMatch &= ~(1<<i); 1551 } 1552 } 1553 } 1554 1555 // now, handle the attributes which have a useful default value 1556 for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) { 1557 // see if this attribute was specified, if not, apply its 1558 // default value 1559 if (binarySearch<config_pair_t>( 1560 (config_pair_t const*)attrib_list, 1561 0, numAttributes-1, 1562 config_defaults[j].key) < 0) 1563 { 1564 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1565 if (!(possibleMatch & (1<<i))) 1566 continue; 1567 if (isAttributeMatching(i, 1568 config_defaults[j].key, 1569 config_defaults[j].value) == 0) 1570 { 1571 possibleMatch &= ~(1<<i); 1572 } 1573 } 1574 } 1575 } 1576 1577 // return the configurations found 1578 int n=0; 1579 if (possibleMatch) { 1580 if (configs) { 1581 for (int i=0 ; config_size && i<numConfigs ; i++) { 1582 if (possibleMatch & (1<<i)) { 1583 *configs++ = (EGLConfig)(uintptr_t)i; 1584 config_size--; 1585 n++; 1586 } 1587 } 1588 } else { 1589 for (int i=0 ; i<numConfigs ; i++) { 1590 if (possibleMatch & (1<<i)) { 1591 n++; 1592 } 1593 } 1594 } 1595 } 1596 *num_config = n; 1597 return EGL_TRUE; 1598 } 1599 1600 EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, 1601 EGLint attribute, EGLint *value) 1602 { 1603 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1604 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1605 1606 return getConfigAttrib(dpy, config, attribute, value); 1607 } 1608 1609 // ---------------------------------------------------------------------------- 1610 // surfaces 1611 // ---------------------------------------------------------------------------- 1612 1613 EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, 1614 NativeWindowType window, 1615 const EGLint *attrib_list) 1616 { 1617 return createWindowSurface(dpy, config, window, attrib_list); 1618 } 1619 1620 EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, 1621 NativePixmapType pixmap, 1622 const EGLint *attrib_list) 1623 { 1624 return createPixmapSurface(dpy, config, pixmap, attrib_list); 1625 } 1626 1627 EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, 1628 const EGLint *attrib_list) 1629 { 1630 return createPbufferSurface(dpy, config, attrib_list); 1631 } 1632 1633 EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) 1634 { 1635 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1636 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1637 if (eglSurface != EGL_NO_SURFACE) { 1638 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); 1639 if (!surface->isValid()) 1640 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1641 if (surface->dpy != dpy) 1642 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1643 if (surface->ctx) { 1644 // defer disconnect/delete until no longer current 1645 surface->zombie = true; 1646 } else { 1647 surface->disconnect(); 1648 delete surface; 1649 } 1650 } 1651 return EGL_TRUE; 1652 } 1653 1654 EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, 1655 EGLint attribute, EGLint *value) 1656 { 1657 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1658 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1659 egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); 1660 if (!surface->isValid()) 1661 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1662 if (surface->dpy != dpy) 1663 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1664 1665 EGLBoolean ret = EGL_TRUE; 1666 switch (attribute) { 1667 case EGL_CONFIG_ID: 1668 ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); 1669 break; 1670 case EGL_WIDTH: 1671 *value = surface->getWidth(); 1672 break; 1673 case EGL_HEIGHT: 1674 *value = surface->getHeight(); 1675 break; 1676 case EGL_LARGEST_PBUFFER: 1677 // not modified for a window or pixmap surface 1678 break; 1679 case EGL_TEXTURE_FORMAT: 1680 *value = EGL_NO_TEXTURE; 1681 break; 1682 case EGL_TEXTURE_TARGET: 1683 *value = EGL_NO_TEXTURE; 1684 break; 1685 case EGL_MIPMAP_TEXTURE: 1686 *value = EGL_FALSE; 1687 break; 1688 case EGL_MIPMAP_LEVEL: 1689 *value = 0; 1690 break; 1691 case EGL_RENDER_BUFFER: 1692 // TODO: return the real RENDER_BUFFER here 1693 *value = EGL_BACK_BUFFER; 1694 break; 1695 case EGL_HORIZONTAL_RESOLUTION: 1696 // pixel/mm * EGL_DISPLAY_SCALING 1697 *value = surface->getHorizontalResolution(); 1698 break; 1699 case EGL_VERTICAL_RESOLUTION: 1700 // pixel/mm * EGL_DISPLAY_SCALING 1701 *value = surface->getVerticalResolution(); 1702 break; 1703 case EGL_PIXEL_ASPECT_RATIO: { 1704 // w/h * EGL_DISPLAY_SCALING 1705 int wr = surface->getHorizontalResolution(); 1706 int hr = surface->getVerticalResolution(); 1707 *value = (wr * EGL_DISPLAY_SCALING) / hr; 1708 } break; 1709 case EGL_SWAP_BEHAVIOR: 1710 *value = surface->getSwapBehavior(); 1711 break; 1712 default: 1713 ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1714 } 1715 return ret; 1716 } 1717 1718 EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, 1719 EGLContext /*share_list*/, const EGLint* /*attrib_list*/) 1720 { 1721 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1722 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1723 1724 ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); 1725 if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); 1726 1727 egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); 1728 c->flags = egl_context_t::NEVER_CURRENT; 1729 c->dpy = dpy; 1730 c->config = config; 1731 c->read = 0; 1732 c->draw = 0; 1733 return (EGLContext)gl; 1734 } 1735 1736 EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) 1737 { 1738 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1739 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1740 egl_context_t* c = egl_context_t::context(ctx); 1741 if (c->flags & egl_context_t::IS_CURRENT) 1742 setGlThreadSpecific(0); 1743 ogles_uninit((ogles_context_t*)ctx); 1744 return EGL_TRUE; 1745 } 1746 1747 EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, 1748 EGLSurface read, EGLContext ctx) 1749 { 1750 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1751 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1752 if (draw) { 1753 egl_surface_t* s = (egl_surface_t*)draw; 1754 if (!s->isValid()) 1755 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1756 if (s->dpy != dpy) 1757 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1758 // TODO: check that draw is compatible with the context 1759 } 1760 if (read && read!=draw) { 1761 egl_surface_t* s = (egl_surface_t*)read; 1762 if (!s->isValid()) 1763 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1764 if (s->dpy != dpy) 1765 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1766 // TODO: check that read is compatible with the context 1767 } 1768 1769 EGLContext current_ctx = EGL_NO_CONTEXT; 1770 1771 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) 1772 return setError(EGL_BAD_MATCH, EGL_FALSE); 1773 1774 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) 1775 return setError(EGL_BAD_MATCH, EGL_FALSE); 1776 1777 if (ctx == EGL_NO_CONTEXT) { 1778 // if we're detaching, we need the current context 1779 current_ctx = (EGLContext)getGlThreadSpecific(); 1780 } else { 1781 egl_surface_t* d = (egl_surface_t*)draw; 1782 egl_surface_t* r = (egl_surface_t*)read; 1783 if ((d && d->ctx && d->ctx != ctx) || 1784 (r && r->ctx && r->ctx != ctx)) { 1785 // one of the surface is bound to a context in another thread 1786 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1787 } 1788 } 1789 1790 ogles_context_t* gl = (ogles_context_t*)ctx; 1791 if (makeCurrent(gl) == 0) { 1792 if (ctx) { 1793 egl_context_t* c = egl_context_t::context(ctx); 1794 egl_surface_t* d = (egl_surface_t*)draw; 1795 egl_surface_t* r = (egl_surface_t*)read; 1796 1797 if (c->draw) { 1798 egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); 1799 s->disconnect(); 1800 s->ctx = EGL_NO_CONTEXT; 1801 if (s->zombie) 1802 delete s; 1803 } 1804 if (c->read) { 1805 // FIXME: unlock/disconnect the read surface too 1806 } 1807 1808 c->draw = draw; 1809 c->read = read; 1810 1811 if (c->flags & egl_context_t::NEVER_CURRENT) { 1812 c->flags &= ~egl_context_t::NEVER_CURRENT; 1813 GLint w = 0; 1814 GLint h = 0; 1815 if (draw) { 1816 w = d->getWidth(); 1817 h = d->getHeight(); 1818 } 1819 ogles_surfaceport(gl, 0, 0); 1820 ogles_viewport(gl, 0, 0, w, h); 1821 ogles_scissor(gl, 0, 0, w, h); 1822 } 1823 if (d) { 1824 if (d->connect() == EGL_FALSE) { 1825 return EGL_FALSE; 1826 } 1827 d->ctx = ctx; 1828 d->bindDrawSurface(gl); 1829 } 1830 if (r) { 1831 // FIXME: lock/connect the read surface too 1832 r->ctx = ctx; 1833 r->bindReadSurface(gl); 1834 } 1835 } else { 1836 // if surfaces were bound to the context bound to this thread 1837 // mark then as unbound. 1838 if (current_ctx) { 1839 egl_context_t* c = egl_context_t::context(current_ctx); 1840 egl_surface_t* d = (egl_surface_t*)c->draw; 1841 egl_surface_t* r = (egl_surface_t*)c->read; 1842 if (d) { 1843 c->draw = 0; 1844 d->disconnect(); 1845 d->ctx = EGL_NO_CONTEXT; 1846 if (d->zombie) 1847 delete d; 1848 } 1849 if (r) { 1850 c->read = 0; 1851 r->ctx = EGL_NO_CONTEXT; 1852 // FIXME: unlock/disconnect the read surface too 1853 } 1854 } 1855 } 1856 return EGL_TRUE; 1857 } 1858 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1859 } 1860 1861 EGLContext eglGetCurrentContext(void) 1862 { 1863 // eglGetCurrentContext returns the current EGL rendering context, 1864 // as specified by eglMakeCurrent. If no context is current, 1865 // EGL_NO_CONTEXT is returned. 1866 return (EGLContext)getGlThreadSpecific(); 1867 } 1868 1869 EGLSurface eglGetCurrentSurface(EGLint readdraw) 1870 { 1871 // eglGetCurrentSurface returns the read or draw surface attached 1872 // to the current EGL rendering context, as specified by eglMakeCurrent. 1873 // If no context is current, EGL_NO_SURFACE is returned. 1874 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1875 if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; 1876 egl_context_t* c = egl_context_t::context(ctx); 1877 if (readdraw == EGL_READ) { 1878 return c->read; 1879 } else if (readdraw == EGL_DRAW) { 1880 return c->draw; 1881 } 1882 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); 1883 } 1884 1885 EGLDisplay eglGetCurrentDisplay(void) 1886 { 1887 // eglGetCurrentDisplay returns the current EGL display connection 1888 // for the current EGL rendering context, as specified by eglMakeCurrent. 1889 // If no context is current, EGL_NO_DISPLAY is returned. 1890 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1891 if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; 1892 egl_context_t* c = egl_context_t::context(ctx); 1893 return c->dpy; 1894 } 1895 1896 EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, 1897 EGLint attribute, EGLint *value) 1898 { 1899 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1900 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1901 egl_context_t* c = egl_context_t::context(ctx); 1902 switch (attribute) { 1903 case EGL_CONFIG_ID: 1904 // Returns the ID of the EGL frame buffer configuration with 1905 // respect to which the context was created 1906 return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); 1907 } 1908 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1909 } 1910 1911 EGLBoolean eglWaitGL(void) 1912 { 1913 return EGL_TRUE; 1914 } 1915 1916 EGLBoolean eglWaitNative(EGLint /*engine*/) 1917 { 1918 return EGL_TRUE; 1919 } 1920 1921 EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) 1922 { 1923 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1924 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1925 1926 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 1927 if (!d->isValid()) 1928 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1929 if (d->dpy != dpy) 1930 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1931 1932 // post the surface 1933 d->swapBuffers(); 1934 1935 // if it's bound to a context, update the buffer 1936 if (d->ctx != EGL_NO_CONTEXT) { 1937 d->bindDrawSurface((ogles_context_t*)d->ctx); 1938 // if this surface is also the read surface of the context 1939 // it is bound to, make sure to update the read buffer as well. 1940 // The EGL spec is a little unclear about this. 1941 egl_context_t* c = egl_context_t::context(d->ctx); 1942 if (c->read == draw) { 1943 d->bindReadSurface((ogles_context_t*)d->ctx); 1944 } 1945 } 1946 1947 return EGL_TRUE; 1948 } 1949 1950 EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface /*surface*/, 1951 NativePixmapType /*target*/) 1952 { 1953 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1954 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1955 // TODO: eglCopyBuffers() 1956 return EGL_FALSE; 1957 } 1958 1959 EGLint eglGetError(void) 1960 { 1961 return getError(); 1962 } 1963 1964 const char* eglQueryString(EGLDisplay dpy, EGLint name) 1965 { 1966 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1967 return setError(EGL_BAD_DISPLAY, (const char*)0); 1968 1969 switch (name) { 1970 case EGL_VENDOR: 1971 return gVendorString; 1972 case EGL_VERSION: 1973 return gVersionString; 1974 case EGL_EXTENSIONS: 1975 return gExtensionsString; 1976 case EGL_CLIENT_APIS: 1977 return gClientApiString; 1978 } 1979 return setError(EGL_BAD_PARAMETER, (const char *)0); 1980 } 1981 1982 // ---------------------------------------------------------------------------- 1983 // EGL 1.1 1984 // ---------------------------------------------------------------------------- 1985 1986 EGLBoolean eglSurfaceAttrib( 1987 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*attribute*/, EGLint /*value*/) 1988 { 1989 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1990 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1991 // TODO: eglSurfaceAttrib() 1992 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1993 } 1994 1995 EGLBoolean eglBindTexImage( 1996 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 1997 { 1998 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1999 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2000 // TODO: eglBindTexImage() 2001 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2002 } 2003 2004 EGLBoolean eglReleaseTexImage( 2005 EGLDisplay dpy, EGLSurface /*surface*/, EGLint /*buffer*/) 2006 { 2007 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2008 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2009 // TODO: eglReleaseTexImage() 2010 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2011 } 2012 2013 EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint /*interval*/) 2014 { 2015 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2016 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2017 // TODO: eglSwapInterval() 2018 return EGL_TRUE; 2019 } 2020 2021 // ---------------------------------------------------------------------------- 2022 // EGL 1.2 2023 // ---------------------------------------------------------------------------- 2024 2025 EGLBoolean eglBindAPI(EGLenum api) 2026 { 2027 if (api != EGL_OPENGL_ES_API) 2028 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2029 return EGL_TRUE; 2030 } 2031 2032 EGLenum eglQueryAPI(void) 2033 { 2034 return EGL_OPENGL_ES_API; 2035 } 2036 2037 EGLBoolean eglWaitClient(void) 2038 { 2039 glFinish(); 2040 return EGL_TRUE; 2041 } 2042 2043 EGLBoolean eglReleaseThread(void) 2044 { 2045 // TODO: eglReleaseThread() 2046 return EGL_TRUE; 2047 } 2048 2049 EGLSurface eglCreatePbufferFromClientBuffer( 2050 EGLDisplay dpy, EGLenum /*buftype*/, EGLClientBuffer /*buffer*/, 2051 EGLConfig /*config*/, const EGLint* /*attrib_list*/) 2052 { 2053 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2054 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 2055 // TODO: eglCreatePbufferFromClientBuffer() 2056 return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); 2057 } 2058 2059 // ---------------------------------------------------------------------------- 2060 // EGL_EGLEXT_VERSION 3 2061 // ---------------------------------------------------------------------------- 2062 2063 void (*eglGetProcAddress (const char *procname))() 2064 { 2065 extention_map_t const * const map = gExtentionMap; 2066 for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { 2067 if (!strcmp(procname, map[i].name)) { 2068 return map[i].address; 2069 } 2070 } 2071 return NULL; 2072 } 2073 2074 EGLBoolean eglLockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/, 2075 const EGLint* /*attrib_list*/) 2076 { 2077 EGLBoolean result = EGL_FALSE; 2078 return result; 2079 } 2080 2081 EGLBoolean eglUnlockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/) 2082 { 2083 EGLBoolean result = EGL_FALSE; 2084 return result; 2085 } 2086 2087 EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, 2088 EGLClientBuffer buffer, const EGLint* /*attrib_list*/) 2089 { 2090 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2091 return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); 2092 } 2093 if (ctx != EGL_NO_CONTEXT) { 2094 return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); 2095 } 2096 if (target != EGL_NATIVE_BUFFER_ANDROID) { 2097 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2098 } 2099 2100 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer; 2101 2102 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2103 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2104 2105 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2106 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2107 2108 switch (native_buffer->format) { 2109 case HAL_PIXEL_FORMAT_RGBA_8888: 2110 case HAL_PIXEL_FORMAT_RGBX_8888: 2111 case HAL_PIXEL_FORMAT_RGB_888: 2112 case HAL_PIXEL_FORMAT_RGB_565: 2113 case HAL_PIXEL_FORMAT_BGRA_8888: 2114 break; 2115 default: 2116 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2117 } 2118 2119 native_buffer->common.incRef(&native_buffer->common); 2120 return (EGLImageKHR)native_buffer; 2121 } 2122 2123 EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) 2124 { 2125 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2126 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2127 } 2128 2129 ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img; 2130 2131 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2132 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2133 2134 if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) 2135 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2136 2137 native_buffer->common.decRef(&native_buffer->common); 2138 2139 return EGL_TRUE; 2140 } 2141 2142 // ---------------------------------------------------------------------------- 2143 // EGL_KHR_fence_sync 2144 // ---------------------------------------------------------------------------- 2145 2146 #define FENCE_SYNC_HANDLE ((EGLSyncKHR)0xFE4CE) 2147 2148 EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, 2149 const EGLint *attrib_list) 2150 { 2151 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2152 return setError(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR); 2153 } 2154 2155 if (type != EGL_SYNC_FENCE_KHR || 2156 (attrib_list != NULL && attrib_list[0] != EGL_NONE)) { 2157 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR); 2158 } 2159 2160 if (eglGetCurrentContext() == EGL_NO_CONTEXT) { 2161 return setError(EGL_BAD_MATCH, EGL_NO_SYNC_KHR); 2162 } 2163 2164 // AGL is synchronous; nothing to do here. 2165 2166 return FENCE_SYNC_HANDLE; 2167 } 2168 2169 EGLBoolean eglDestroySyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync) 2170 { 2171 if (sync != FENCE_SYNC_HANDLE) { 2172 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2173 } 2174 2175 return EGL_TRUE; 2176 } 2177 2178 EGLint eglClientWaitSyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, EGLint /*flags*/, 2179 EGLTimeKHR /*timeout*/) 2180 { 2181 if (sync != FENCE_SYNC_HANDLE) { 2182 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2183 } 2184 2185 return EGL_CONDITION_SATISFIED_KHR; 2186 } 2187 2188 EGLBoolean eglGetSyncAttribKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, 2189 EGLint attribute, EGLint *value) 2190 { 2191 if (sync != FENCE_SYNC_HANDLE) { 2192 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2193 } 2194 2195 switch (attribute) { 2196 case EGL_SYNC_TYPE_KHR: 2197 *value = EGL_SYNC_FENCE_KHR; 2198 return EGL_TRUE; 2199 case EGL_SYNC_STATUS_KHR: 2200 *value = EGL_SIGNALED_KHR; 2201 return EGL_TRUE; 2202 case EGL_SYNC_CONDITION_KHR: 2203 *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; 2204 return EGL_TRUE; 2205 default: 2206 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 2207 } 2208 } 2209 2210 // ---------------------------------------------------------------------------- 2211 // ANDROID extensions 2212 // ---------------------------------------------------------------------------- 2213 2214 EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 2215 EGLint left, EGLint top, EGLint width, EGLint height) 2216 { 2217 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2218 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2219 2220 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2221 if (!d->isValid()) 2222 return setError(EGL_BAD_SURFACE, EGL_FALSE); 2223 if (d->dpy != dpy) 2224 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2225 2226 // post the surface 2227 d->setSwapRectangle(left, top, width, height); 2228 2229 return EGL_TRUE; 2230 } 2231
