egl.cpp revision bc4929117d0b07fec2f0986f38641eecc9f20d55
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 <errno.h> 20#include <stdlib.h> 21#include <stdio.h> 22#include <string.h> 23#include <unistd.h> 24#include <fcntl.h> 25#include <sys/ioctl.h> 26#include <sys/types.h> 27#include <sys/mman.h> 28 29#include <cutils/log.h> 30#include <cutils/atomic.h> 31 32#include <utils/threads.h> 33 34#include <EGL/egl.h> 35#include <EGL/eglext.h> 36#include <GLES/gl.h> 37#include <GLES/glext.h> 38 39#include <pixelflinger/format.h> 40#include <pixelflinger/pixelflinger.h> 41 42#include <private/ui/android_natives_priv.h> 43#include <private/ui/sw_gralloc_handle.h> 44 45#include <hardware/copybit.h> 46 47#include "context.h" 48#include "state.h" 49#include "texture.h" 50#include "matrix.h" 51 52#undef NELEM 53#define NELEM(x) (sizeof(x)/sizeof(*(x))) 54 55// ---------------------------------------------------------------------------- 56namespace android { 57// ---------------------------------------------------------------------------- 58 59const unsigned int NUM_DISPLAYS = 1; 60 61static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; 62static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; 63static pthread_key_t gEGLErrorKey = -1; 64#ifndef HAVE_ANDROID_OS 65namespace gl { 66pthread_key_t gGLKey = -1; 67}; // namespace gl 68#endif 69 70template<typename T> 71static T setError(GLint error, T returnValue) { 72 if (ggl_unlikely(gEGLErrorKey == -1)) { 73 pthread_mutex_lock(&gErrorKeyMutex); 74 if (gEGLErrorKey == -1) 75 pthread_key_create(&gEGLErrorKey, NULL); 76 pthread_mutex_unlock(&gErrorKeyMutex); 77 } 78 pthread_setspecific(gEGLErrorKey, (void*)error); 79 return returnValue; 80} 81 82static GLint getError() { 83 if (ggl_unlikely(gEGLErrorKey == -1)) 84 return EGL_SUCCESS; 85 GLint error = (GLint)pthread_getspecific(gEGLErrorKey); 86 pthread_setspecific(gEGLErrorKey, (void*)EGL_SUCCESS); 87 return error; 88} 89 90// ---------------------------------------------------------------------------- 91 92struct egl_display_t 93{ 94 egl_display_t() : type(0), initialized(0) { } 95 96 static egl_display_t& get_display(EGLDisplay dpy); 97 98 static EGLBoolean is_valid(EGLDisplay dpy) { 99 return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; 100 } 101 102 NativeDisplayType type; 103 volatile int32_t initialized; 104}; 105 106static egl_display_t gDisplays[NUM_DISPLAYS]; 107 108egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { 109 return gDisplays[uintptr_t(dpy)-1U]; 110} 111 112struct egl_context_t { 113 enum { 114 IS_CURRENT = 0x00010000, 115 NEVER_CURRENT = 0x00020000 116 }; 117 uint32_t flags; 118 EGLDisplay dpy; 119 EGLConfig config; 120 EGLSurface read; 121 EGLSurface draw; 122 123 static inline egl_context_t* context(EGLContext ctx) { 124 ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); 125 return static_cast<egl_context_t*>(gl->rasterizer.base); 126 } 127}; 128 129// ---------------------------------------------------------------------------- 130 131struct egl_surface_t 132{ 133 enum { 134 PAGE_FLIP = 0x00000001, 135 MAGIC = 0x31415265 136 }; 137 138 uint32_t magic; 139 EGLDisplay dpy; 140 EGLConfig config; 141 EGLContext ctx; 142 143 egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); 144 virtual ~egl_surface_t(); 145 bool isValid() const; 146 virtual bool initCheck() const = 0; 147 148 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; 149 virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; 150 virtual EGLBoolean connect() { return EGL_TRUE; } 151 virtual void disconnect() {} 152 virtual EGLint getWidth() const = 0; 153 virtual EGLint getHeight() const = 0; 154 155 virtual EGLint getHorizontalResolution() const; 156 virtual EGLint getVerticalResolution() const; 157 virtual EGLint getRefreshRate() const; 158 virtual EGLint getSwapBehavior() const; 159 virtual EGLBoolean swapBuffers(); 160 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 161 virtual EGLClientBuffer getRenderBuffer() const; 162protected: 163 GGLSurface depth; 164}; 165 166egl_surface_t::egl_surface_t(EGLDisplay dpy, 167 EGLConfig config, 168 int32_t depthFormat) 169 : magic(MAGIC), dpy(dpy), config(config), ctx(0) 170{ 171 depth.version = sizeof(GGLSurface); 172 depth.data = 0; 173 depth.format = depthFormat; 174} 175egl_surface_t::~egl_surface_t() 176{ 177 magic = 0; 178 free(depth.data); 179} 180bool egl_surface_t::isValid() const { 181 LOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); 182 return magic == MAGIC; 183} 184 185EGLBoolean egl_surface_t::swapBuffers() { 186 return EGL_FALSE; 187} 188EGLint egl_surface_t::getHorizontalResolution() const { 189 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 190} 191EGLint egl_surface_t::getVerticalResolution() const { 192 return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 193} 194EGLint egl_surface_t::getRefreshRate() const { 195 return (60 * EGL_DISPLAY_SCALING); 196} 197EGLint egl_surface_t::getSwapBehavior() const { 198 return EGL_BUFFER_PRESERVED; 199} 200EGLBoolean egl_surface_t::setSwapRectangle( 201 EGLint l, EGLint t, EGLint w, EGLint h) 202{ 203 return EGL_FALSE; 204} 205EGLClientBuffer egl_surface_t::getRenderBuffer() const { 206 return 0; 207} 208 209// ---------------------------------------------------------------------------- 210 211struct egl_window_surface_v2_t : public egl_surface_t 212{ 213 egl_window_surface_v2_t( 214 EGLDisplay dpy, EGLConfig config, 215 int32_t depthFormat, 216 android_native_window_t* window); 217 218 ~egl_window_surface_v2_t(); 219 220 virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails 221 virtual EGLBoolean swapBuffers(); 222 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 223 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 224 virtual EGLBoolean connect(); 225 virtual void disconnect(); 226 virtual EGLint getWidth() const { return width; } 227 virtual EGLint getHeight() const { return height; } 228 virtual EGLint getHorizontalResolution() const; 229 virtual EGLint getVerticalResolution() const; 230 virtual EGLint getRefreshRate() const; 231 virtual EGLint getSwapBehavior() const; 232 virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); 233 virtual EGLClientBuffer getRenderBuffer() const; 234 235private: 236 status_t lock(android_native_buffer_t* buf, int usage, void** vaddr); 237 status_t unlock(android_native_buffer_t* buf); 238 android_native_window_t* nativeWindow; 239 android_native_buffer_t* buffer; 240 android_native_buffer_t* previousBuffer; 241 gralloc_module_t const* module; 242 copybit_device_t* blitengine; 243 int width; 244 int height; 245 void* bits; 246 GGLFormat const* pixelFormatTable; 247 248 struct Rect { 249 inline Rect() { }; 250 inline Rect(int32_t w, int32_t h) 251 : left(0), top(0), right(w), bottom(h) { } 252 inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) 253 : left(l), top(t), right(r), bottom(b) { } 254 Rect& andSelf(const Rect& r) { 255 left = max(left, r.left); 256 top = max(top, r.top); 257 right = min(right, r.right); 258 bottom = min(bottom, r.bottom); 259 return *this; 260 } 261 bool isEmpty() const { 262 return (left>=right || top>=bottom); 263 } 264 void dump(char const* what) { 265 LOGD("%s { %5d, %5d, w=%5d, h=%5d }", 266 what, left, top, right-left, bottom-top); 267 } 268 269 int32_t left; 270 int32_t top; 271 int32_t right; 272 int32_t bottom; 273 }; 274 275 struct Region { 276 inline Region() : count(0) { } 277 typedef Rect const* const_iterator; 278 const_iterator begin() const { return storage; } 279 const_iterator end() const { return storage+count; } 280 static Region subtract(const Rect& lhs, const Rect& rhs) { 281 Region reg; 282 Rect* storage = reg.storage; 283 if (!lhs.isEmpty()) { 284 if (lhs.top < rhs.top) { // top rect 285 storage->left = lhs.left; 286 storage->top = lhs.top; 287 storage->right = lhs.right; 288 storage->bottom = rhs.top; 289 storage++; 290 } 291 const int32_t top = max(lhs.top, rhs.top); 292 const int32_t bot = min(lhs.bottom, rhs.bottom); 293 if (top < bot) { 294 if (lhs.left < rhs.left) { // left-side rect 295 storage->left = lhs.left; 296 storage->top = top; 297 storage->right = rhs.left; 298 storage->bottom = bot; 299 storage++; 300 } 301 if (lhs.right > rhs.right) { // right-side rect 302 storage->left = rhs.right; 303 storage->top = top; 304 storage->right = lhs.right; 305 storage->bottom = bot; 306 storage++; 307 } 308 } 309 if (lhs.bottom > rhs.bottom) { // bottom rect 310 storage->left = lhs.left; 311 storage->top = rhs.bottom; 312 storage->right = lhs.right; 313 storage->bottom = lhs.bottom; 314 storage++; 315 } 316 reg.count = storage - reg.storage; 317 } 318 return reg; 319 } 320 bool isEmpty() const { 321 return count<=0; 322 } 323 private: 324 Rect storage[4]; 325 ssize_t count; 326 }; 327 328 struct region_iterator : public copybit_region_t { 329 region_iterator(const Region& region) 330 : b(region.begin()), e(region.end()) { 331 this->next = iterate; 332 } 333 private: 334 static int iterate(copybit_region_t const * self, copybit_rect_t* rect) { 335 region_iterator const* me = static_cast<region_iterator const*>(self); 336 if (me->b != me->e) { 337 *reinterpret_cast<Rect*>(rect) = *me->b++; 338 return 1; 339 } 340 return 0; 341 } 342 mutable Region::const_iterator b; 343 Region::const_iterator const e; 344 }; 345 346 void copyBlt( 347 android_native_buffer_t* dst, void* dst_vaddr, 348 android_native_buffer_t* src, void const* src_vaddr, 349 const Region& clip); 350 351 Rect dirtyRegion; 352 Rect oldDirtyRegion; 353}; 354 355egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, 356 EGLConfig config, 357 int32_t depthFormat, 358 android_native_window_t* window) 359 : egl_surface_t(dpy, config, depthFormat), 360 nativeWindow(window), buffer(0), previousBuffer(0), module(0), 361 blitengine(0), bits(NULL) 362{ 363 hw_module_t const* pModule; 364 hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule); 365 module = reinterpret_cast<gralloc_module_t const*>(pModule); 366 367 if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &pModule) == 0) { 368 copybit_open(pModule, &blitengine); 369 } 370 371 pixelFormatTable = gglGetPixelFormatTable(); 372 373 // keep a reference on the window 374 nativeWindow->common.incRef(&nativeWindow->common); 375 nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); 376 nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); 377} 378 379egl_window_surface_v2_t::~egl_window_surface_v2_t() { 380 if (buffer) { 381 buffer->common.decRef(&buffer->common); 382 } 383 if (previousBuffer) { 384 previousBuffer->common.decRef(&previousBuffer->common); 385 } 386 nativeWindow->common.decRef(&nativeWindow->common); 387 if (blitengine) { 388 copybit_close(blitengine); 389 } 390} 391 392EGLBoolean egl_window_surface_v2_t::connect() 393{ 394 // we're intending to do software rendering 395 native_window_set_usage(nativeWindow, 396 GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); 397 398 // dequeue a buffer 399 if (nativeWindow->dequeueBuffer(nativeWindow, &buffer) != NO_ERROR) { 400 return setError(EGL_BAD_ALLOC, EGL_FALSE); 401 } 402 403 // allocate a corresponding depth-buffer 404 width = buffer->width; 405 height = buffer->height; 406 if (depth.format) { 407 depth.width = width; 408 depth.height = height; 409 depth.stride = depth.width; // use the width here 410 depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); 411 if (depth.data == 0) { 412 return setError(EGL_BAD_ALLOC, EGL_FALSE); 413 } 414 } 415 416 // keep a reference on the buffer 417 buffer->common.incRef(&buffer->common); 418 419 // Lock the buffer 420 nativeWindow->lockBuffer(nativeWindow, buffer); 421 // pin the buffer down 422 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 423 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 424 LOGE("connect() failed to lock buffer %p (%ux%u)", 425 buffer, buffer->width, buffer->height); 426 return setError(EGL_BAD_ACCESS, EGL_FALSE); 427 // FIXME: we should make sure we're not accessing the buffer anymore 428 } 429 return EGL_TRUE; 430} 431 432void egl_window_surface_v2_t::disconnect() 433{ 434 if (buffer && bits) { 435 bits = NULL; 436 unlock(buffer); 437 } 438 // enqueue the last frame 439 nativeWindow->queueBuffer(nativeWindow, buffer); 440 if (buffer) { 441 buffer->common.decRef(&buffer->common); 442 buffer = 0; 443 } 444 if (previousBuffer) { 445 previousBuffer->common.decRef(&previousBuffer->common); 446 previousBuffer = 0; 447 } 448} 449 450status_t egl_window_surface_v2_t::lock( 451 android_native_buffer_t* buf, int usage, void** vaddr) 452{ 453 int err; 454 if (sw_gralloc_handle_t::validate(buf->handle) < 0) { 455 err = module->lock(module, buf->handle, 456 usage, 0, 0, buf->width, buf->height, vaddr); 457 } else { 458 sw_gralloc_handle_t const* hnd = 459 reinterpret_cast<sw_gralloc_handle_t const*>(buf->handle); 460 *vaddr = (void*)hnd->base; 461 err = NO_ERROR; 462 } 463 return err; 464} 465 466status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf) 467{ 468 if (!buf) return BAD_VALUE; 469 int err = NO_ERROR; 470 if (sw_gralloc_handle_t::validate(buf->handle) < 0) { 471 err = module->unlock(module, buf->handle); 472 } 473 return err; 474} 475 476void egl_window_surface_v2_t::copyBlt( 477 android_native_buffer_t* dst, void* dst_vaddr, 478 android_native_buffer_t* src, void const* src_vaddr, 479 const Region& clip) 480{ 481 // FIXME: use copybit if possible 482 // NOTE: dst and src must be the same format 483 484 status_t err = NO_ERROR; 485 copybit_device_t* const copybit = blitengine; 486 if (copybit) { 487 copybit_image_t simg; 488 simg.w = src->width; 489 simg.h = src->height; 490 simg.format = src->format; 491 simg.handle = const_cast<native_handle_t*>(src->handle); 492 493 copybit_image_t dimg; 494 dimg.w = dst->width; 495 dimg.h = dst->height; 496 dimg.format = dst->format; 497 dimg.handle = const_cast<native_handle_t*>(dst->handle); 498 499 copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0); 500 copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255); 501 copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE); 502 region_iterator it(clip); 503 err = copybit->blit(copybit, &dimg, &simg, &it); 504 if (err != NO_ERROR) { 505 LOGE("copybit failed (%s)", strerror(err)); 506 } 507 } 508 509 if (!copybit || err) { 510 Region::const_iterator cur = clip.begin(); 511 Region::const_iterator end = clip.end(); 512 513 const size_t bpp = pixelFormatTable[src->format].size; 514 const size_t dbpr = dst->stride * bpp; 515 const size_t sbpr = src->stride * bpp; 516 517 uint8_t const * const src_bits = (uint8_t const *)src_vaddr; 518 uint8_t * const dst_bits = (uint8_t *)dst_vaddr; 519 520 while (cur != end) { 521 const Rect& r(*cur++); 522 ssize_t w = r.right - r.left; 523 ssize_t h = r.bottom - r.top; 524 if (w <= 0 || h<=0) continue; 525 size_t size = w * bpp; 526 uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; 527 uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; 528 if (dbpr==sbpr && size==sbpr) { 529 size *= h; 530 h = 1; 531 } 532 do { 533 memcpy(d, s, size); 534 d += dbpr; 535 s += sbpr; 536 } while (--h > 0); 537 } 538 } 539} 540 541EGLBoolean egl_window_surface_v2_t::swapBuffers() 542{ 543 if (!buffer) { 544 return setError(EGL_BAD_ACCESS, EGL_FALSE); 545 } 546 547 /* 548 * Handle eglSetSwapRectangleANDROID() 549 * We copyback from the front buffer 550 */ 551 if (!dirtyRegion.isEmpty()) { 552 dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); 553 if (previousBuffer) { 554 const Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); 555 if (!copyBack.isEmpty()) { 556 void* prevBits; 557 if (lock(previousBuffer, 558 GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { 559 // copy from previousBuffer to buffer 560 copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); 561 unlock(previousBuffer); 562 } 563 } 564 } 565 oldDirtyRegion = dirtyRegion; 566 } 567 568 if (previousBuffer) { 569 previousBuffer->common.decRef(&previousBuffer->common); 570 previousBuffer = 0; 571 } 572 573 unlock(buffer); 574 previousBuffer = buffer; 575 nativeWindow->queueBuffer(nativeWindow, buffer); 576 buffer = 0; 577 578 // dequeue a new buffer 579 nativeWindow->dequeueBuffer(nativeWindow, &buffer); 580 581 // TODO: lockBuffer should rather be executed when the very first 582 // direct rendering occurs. 583 nativeWindow->lockBuffer(nativeWindow, buffer); 584 585 // reallocate the depth-buffer if needed 586 if ((width != buffer->width) || (height != buffer->height)) { 587 // TODO: we probably should reset the swap rect here 588 // if the window size has changed 589 width = buffer->width; 590 height = buffer->height; 591 if (depth.data) { 592 free(depth.data); 593 depth.width = width; 594 depth.height = height; 595 depth.stride = buffer->stride; 596 depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); 597 if (depth.data == 0) { 598 setError(EGL_BAD_ALLOC, EGL_FALSE); 599 return EGL_FALSE; 600 } 601 } 602 } 603 604 // keep a reference on the buffer 605 buffer->common.incRef(&buffer->common); 606 607 // finally pin the buffer down 608 if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | 609 GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { 610 LOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", 611 buffer, buffer->width, buffer->height); 612 return setError(EGL_BAD_ACCESS, EGL_FALSE); 613 // FIXME: we should make sure we're not accessing the buffer anymore 614 } 615 616 return EGL_TRUE; 617} 618 619EGLBoolean egl_window_surface_v2_t::setSwapRectangle( 620 EGLint l, EGLint t, EGLint w, EGLint h) 621{ 622 dirtyRegion = Rect(l, t, l+w, t+h); 623 return EGL_TRUE; 624} 625 626EGLClientBuffer egl_window_surface_v2_t::getRenderBuffer() const 627{ 628 return buffer; 629} 630 631#ifdef LIBAGL_USE_GRALLOC_COPYBITS 632 633static bool supportedCopybitsDestinationFormat(int format) { 634 // Hardware supported 635 switch (format) { 636 case HAL_PIXEL_FORMAT_RGB_565: 637 case HAL_PIXEL_FORMAT_RGBA_8888: 638 case HAL_PIXEL_FORMAT_RGBA_4444: 639 case HAL_PIXEL_FORMAT_RGBA_5551: 640 case HAL_PIXEL_FORMAT_BGRA_8888: 641 return true; 642 } 643 return false; 644} 645#endif 646 647EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) 648{ 649 GGLSurface buffer; 650 buffer.version = sizeof(GGLSurface); 651 buffer.width = this->buffer->width; 652 buffer.height = this->buffer->height; 653 buffer.stride = this->buffer->stride; 654 buffer.data = (GGLubyte*)bits; 655 buffer.format = this->buffer->format; 656 gl->rasterizer.procs.colorBuffer(gl, &buffer); 657 if (depth.data != gl->rasterizer.state.buffers.depth.data) 658 gl->rasterizer.procs.depthBuffer(gl, &depth); 659 660#ifdef LIBAGL_USE_GRALLOC_COPYBITS 661 gl->copybits.drawSurfaceBuffer = 0; 662 if (gl->copybits.blitEngine != NULL) { 663 if (supportedCopybitsDestinationFormat(buffer.format)) { 664 buffer_handle_t handle = this->buffer->handle; 665 if (handle != NULL) { 666 gl->copybits.drawSurfaceBuffer = this->buffer; 667 } 668 } 669 } 670#endif // LIBAGL_USE_GRALLOC_COPYBITS 671 672 return EGL_TRUE; 673} 674EGLBoolean egl_window_surface_v2_t::bindReadSurface(ogles_context_t* gl) 675{ 676 GGLSurface buffer; 677 buffer.version = sizeof(GGLSurface); 678 buffer.width = this->buffer->width; 679 buffer.height = this->buffer->height; 680 buffer.stride = this->buffer->stride; 681 buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! 682 buffer.format = this->buffer->format; 683 gl->rasterizer.procs.readBuffer(gl, &buffer); 684 return EGL_TRUE; 685} 686EGLint egl_window_surface_v2_t::getHorizontalResolution() const { 687 return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 688} 689EGLint egl_window_surface_v2_t::getVerticalResolution() const { 690 return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); 691} 692EGLint egl_window_surface_v2_t::getRefreshRate() const { 693 return (60 * EGL_DISPLAY_SCALING); // FIXME 694} 695EGLint egl_window_surface_v2_t::getSwapBehavior() const 696{ 697 /* 698 * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves 699 * the content of the swapped buffer. 700 * 701 * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. 702 * 703 * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED 704 * only applies to the area specified by eglSetSwapRectangleANDROID(), that 705 * is, everything outside of this area is preserved. 706 * 707 * This implementation of EGL assumes the later case. 708 * 709 */ 710 711 return EGL_BUFFER_DESTROYED; 712} 713 714// ---------------------------------------------------------------------------- 715 716struct egl_pixmap_surface_t : public egl_surface_t 717{ 718 egl_pixmap_surface_t( 719 EGLDisplay dpy, EGLConfig config, 720 int32_t depthFormat, 721 egl_native_pixmap_t const * pixmap); 722 723 virtual ~egl_pixmap_surface_t() { } 724 725 virtual bool initCheck() const { return !depth.format || depth.data!=0; } 726 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 727 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 728 virtual EGLint getWidth() const { return nativePixmap.width; } 729 virtual EGLint getHeight() const { return nativePixmap.height; } 730private: 731 egl_native_pixmap_t nativePixmap; 732}; 733 734egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, 735 EGLConfig config, 736 int32_t depthFormat, 737 egl_native_pixmap_t const * pixmap) 738 : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) 739{ 740 if (depthFormat) { 741 depth.width = pixmap->width; 742 depth.height = pixmap->height; 743 depth.stride = depth.width; // use the width here 744 depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); 745 if (depth.data == 0) { 746 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 747 } 748 } 749} 750EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) 751{ 752 GGLSurface buffer; 753 buffer.version = sizeof(GGLSurface); 754 buffer.width = nativePixmap.width; 755 buffer.height = nativePixmap.height; 756 buffer.stride = nativePixmap.stride; 757 buffer.data = nativePixmap.data; 758 buffer.format = nativePixmap.format; 759 760 gl->rasterizer.procs.colorBuffer(gl, &buffer); 761 if (depth.data != gl->rasterizer.state.buffers.depth.data) 762 gl->rasterizer.procs.depthBuffer(gl, &depth); 763 return EGL_TRUE; 764} 765EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) 766{ 767 GGLSurface buffer; 768 buffer.version = sizeof(GGLSurface); 769 buffer.width = nativePixmap.width; 770 buffer.height = nativePixmap.height; 771 buffer.stride = nativePixmap.stride; 772 buffer.data = nativePixmap.data; 773 buffer.format = nativePixmap.format; 774 gl->rasterizer.procs.readBuffer(gl, &buffer); 775 return EGL_TRUE; 776} 777 778// ---------------------------------------------------------------------------- 779 780struct egl_pbuffer_surface_t : public egl_surface_t 781{ 782 egl_pbuffer_surface_t( 783 EGLDisplay dpy, EGLConfig config, int32_t depthFormat, 784 int32_t w, int32_t h, int32_t f); 785 786 virtual ~egl_pbuffer_surface_t(); 787 788 virtual bool initCheck() const { return pbuffer.data != 0; } 789 virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); 790 virtual EGLBoolean bindReadSurface(ogles_context_t* gl); 791 virtual EGLint getWidth() const { return pbuffer.width; } 792 virtual EGLint getHeight() const { return pbuffer.height; } 793private: 794 GGLSurface pbuffer; 795}; 796 797egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, 798 EGLConfig config, int32_t depthFormat, 799 int32_t w, int32_t h, int32_t f) 800 : egl_surface_t(dpy, config, depthFormat) 801{ 802 size_t size = w*h; 803 switch (f) { 804 case GGL_PIXEL_FORMAT_A_8: size *= 1; break; 805 case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; 806 case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; 807 default: 808 LOGE("incompatible pixel format for pbuffer (format=%d)", f); 809 pbuffer.data = 0; 810 break; 811 } 812 pbuffer.version = sizeof(GGLSurface); 813 pbuffer.width = w; 814 pbuffer.height = h; 815 pbuffer.stride = w; 816 pbuffer.data = (GGLubyte*)malloc(size); 817 pbuffer.format = f; 818 819 if (depthFormat) { 820 depth.width = pbuffer.width; 821 depth.height = pbuffer.height; 822 depth.stride = depth.width; // use the width here 823 depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); 824 if (depth.data == 0) { 825 setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); 826 return; 827 } 828 } 829} 830egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { 831 free(pbuffer.data); 832} 833EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) 834{ 835 gl->rasterizer.procs.colorBuffer(gl, &pbuffer); 836 if (depth.data != gl->rasterizer.state.buffers.depth.data) 837 gl->rasterizer.procs.depthBuffer(gl, &depth); 838 return EGL_TRUE; 839} 840EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) 841{ 842 gl->rasterizer.procs.readBuffer(gl, &pbuffer); 843 return EGL_TRUE; 844} 845 846// ---------------------------------------------------------------------------- 847 848struct config_pair_t { 849 GLint key; 850 GLint value; 851}; 852 853struct configs_t { 854 const config_pair_t* array; 855 int size; 856}; 857 858struct config_management_t { 859 GLint key; 860 bool (*match)(GLint reqValue, GLint confValue); 861 static bool atLeast(GLint reqValue, GLint confValue) { 862 return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); 863 } 864 static bool exact(GLint reqValue, GLint confValue) { 865 return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); 866 } 867 static bool mask(GLint reqValue, GLint confValue) { 868 return (confValue & reqValue) == reqValue; 869 } 870}; 871 872// ---------------------------------------------------------------------------- 873 874#define VERSION_MAJOR 1 875#define VERSION_MINOR 2 876static char const * const gVendorString = "Google Inc."; 877static char const * const gVersionString = "1.2 Android Driver"; 878static char const * const gClientApiString = "OpenGL ES"; 879static char const * const gExtensionsString = 880 "EGL_KHR_image_base " 881 // "KHR_image_pixmap " 882 "EGL_ANDROID_image_native_buffer " 883 "EGL_ANDROID_swap_rectangle " 884 "EGL_ANDROID_get_render_buffer " 885 ; 886 887// ---------------------------------------------------------------------------- 888 889struct extention_map_t { 890 const char * const name; 891 __eglMustCastToProperFunctionPointerType address; 892}; 893 894static const extention_map_t gExtentionMap[] = { 895 { "glDrawTexsOES", 896 (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, 897 { "glDrawTexiOES", 898 (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, 899 { "glDrawTexfOES", 900 (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, 901 { "glDrawTexxOES", 902 (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, 903 { "glDrawTexsvOES", 904 (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, 905 { "glDrawTexivOES", 906 (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, 907 { "glDrawTexfvOES", 908 (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, 909 { "glDrawTexxvOES", 910 (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, 911 { "glQueryMatrixxOES", 912 (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, 913 { "glEGLImageTargetTexture2DOES", 914 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, 915 { "glEGLImageTargetRenderbufferStorageOES", 916 (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, 917 { "glClipPlanef", 918 (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, 919 { "glClipPlanex", 920 (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, 921 { "glBindBuffer", 922 (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, 923 { "glBufferData", 924 (__eglMustCastToProperFunctionPointerType)&glBufferData }, 925 { "glBufferSubData", 926 (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, 927 { "glDeleteBuffers", 928 (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, 929 { "glGenBuffers", 930 (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, 931 { "eglCreateImageKHR", 932 (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, 933 { "eglDestroyImageKHR", 934 (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, 935 { "eglSetSwapRectangleANDROID", 936 (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, 937 { "eglGetRenderBufferANDROID", 938 (__eglMustCastToProperFunctionPointerType)&eglGetRenderBufferANDROID }, 939}; 940 941/* 942 * In the lists below, attributes names MUST be sorted. 943 * Additionally, all configs must be sorted according to 944 * the EGL specification. 945 */ 946 947static config_pair_t const config_base_attribute_list[] = { 948 { EGL_STENCIL_SIZE, 0 }, 949 { EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG }, 950 { EGL_LEVEL, 0 }, 951 { EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS }, 952 { EGL_MAX_PBUFFER_PIXELS, 953 GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS }, 954 { EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS }, 955 { EGL_NATIVE_RENDERABLE, EGL_TRUE }, 956 { EGL_NATIVE_VISUAL_ID, 0 }, 957 { EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 }, 958 { EGL_SAMPLES, 0 }, 959 { EGL_SAMPLE_BUFFERS, 0 }, 960 { EGL_TRANSPARENT_TYPE, EGL_NONE }, 961 { EGL_TRANSPARENT_BLUE_VALUE, 0 }, 962 { EGL_TRANSPARENT_GREEN_VALUE, 0 }, 963 { EGL_TRANSPARENT_RED_VALUE, 0 }, 964 { EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE }, 965 { EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE }, 966 { EGL_MIN_SWAP_INTERVAL, 1 }, 967 { EGL_MAX_SWAP_INTERVAL, 1 }, 968 { EGL_LUMINANCE_SIZE, 0 }, 969 { EGL_ALPHA_MASK_SIZE, 0 }, 970 { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, 971 { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, 972 { EGL_CONFORMANT, 0 } 973}; 974 975// These configs can override the base attribute list 976// NOTE: when adding a config here, don't forget to update eglCreate*Surface() 977 978 979static config_pair_t const config_0_attribute_list[] = { 980 { EGL_BUFFER_SIZE, 16 }, 981 { EGL_ALPHA_SIZE, 0 }, 982 { EGL_BLUE_SIZE, 5 }, 983 { EGL_GREEN_SIZE, 6 }, 984 { EGL_RED_SIZE, 5 }, 985 { EGL_DEPTH_SIZE, 0 }, 986 { EGL_CONFIG_ID, 0 }, 987 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 988}; 989 990static config_pair_t const config_1_attribute_list[] = { 991 { EGL_BUFFER_SIZE, 16 }, 992 { EGL_ALPHA_SIZE, 0 }, 993 { EGL_BLUE_SIZE, 5 }, 994 { EGL_GREEN_SIZE, 6 }, 995 { EGL_RED_SIZE, 5 }, 996 { EGL_DEPTH_SIZE, 16 }, 997 { EGL_CONFIG_ID, 1 }, 998 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 999}; 1000 1001static config_pair_t const config_2_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_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1010}; 1011 1012static config_pair_t const config_3_attribute_list[] = { 1013 { EGL_BUFFER_SIZE, 32 }, 1014 { EGL_ALPHA_SIZE, 8 }, 1015 { EGL_BLUE_SIZE, 8 }, 1016 { EGL_GREEN_SIZE, 8 }, 1017 { EGL_RED_SIZE, 8 }, 1018 { EGL_DEPTH_SIZE, 16 }, 1019 { EGL_CONFIG_ID, 3 }, 1020 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1021}; 1022 1023static config_pair_t const config_4_attribute_list[] = { 1024 { EGL_BUFFER_SIZE, 8 }, 1025 { EGL_ALPHA_SIZE, 8 }, 1026 { EGL_BLUE_SIZE, 0 }, 1027 { EGL_GREEN_SIZE, 0 }, 1028 { EGL_RED_SIZE, 0 }, 1029 { EGL_DEPTH_SIZE, 0 }, 1030 { EGL_CONFIG_ID, 4 }, 1031 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1032}; 1033 1034static config_pair_t const config_5_attribute_list[] = { 1035 { EGL_BUFFER_SIZE, 8 }, 1036 { EGL_ALPHA_SIZE, 8 }, 1037 { EGL_BLUE_SIZE, 0 }, 1038 { EGL_GREEN_SIZE, 0 }, 1039 { EGL_RED_SIZE, 0 }, 1040 { EGL_DEPTH_SIZE, 16 }, 1041 { EGL_CONFIG_ID, 5 }, 1042 { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, 1043}; 1044 1045static configs_t const gConfigs[] = { 1046 { config_0_attribute_list, NELEM(config_0_attribute_list) }, 1047 { config_1_attribute_list, NELEM(config_1_attribute_list) }, 1048 { config_2_attribute_list, NELEM(config_2_attribute_list) }, 1049 { config_3_attribute_list, NELEM(config_3_attribute_list) }, 1050 { config_4_attribute_list, NELEM(config_4_attribute_list) }, 1051 { config_5_attribute_list, NELEM(config_5_attribute_list) }, 1052}; 1053 1054static config_management_t const gConfigManagement[] = { 1055 { EGL_BUFFER_SIZE, config_management_t::atLeast }, 1056 { EGL_ALPHA_SIZE, config_management_t::atLeast }, 1057 { EGL_BLUE_SIZE, config_management_t::atLeast }, 1058 { EGL_GREEN_SIZE, config_management_t::atLeast }, 1059 { EGL_RED_SIZE, config_management_t::atLeast }, 1060 { EGL_DEPTH_SIZE, config_management_t::atLeast }, 1061 { EGL_STENCIL_SIZE, config_management_t::atLeast }, 1062 { EGL_CONFIG_CAVEAT, config_management_t::exact }, 1063 { EGL_CONFIG_ID, config_management_t::exact }, 1064 { EGL_LEVEL, config_management_t::exact }, 1065 { EGL_MAX_PBUFFER_HEIGHT, config_management_t::exact }, 1066 { EGL_MAX_PBUFFER_PIXELS, config_management_t::exact }, 1067 { EGL_MAX_PBUFFER_WIDTH, config_management_t::exact }, 1068 { EGL_NATIVE_RENDERABLE, config_management_t::exact }, 1069 { EGL_NATIVE_VISUAL_ID, config_management_t::exact }, 1070 { EGL_NATIVE_VISUAL_TYPE, config_management_t::exact }, 1071 { EGL_SAMPLES, config_management_t::exact }, 1072 { EGL_SAMPLE_BUFFERS, config_management_t::exact }, 1073 { EGL_SURFACE_TYPE, config_management_t::mask }, 1074 { EGL_TRANSPARENT_TYPE, config_management_t::exact }, 1075 { EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact }, 1076 { EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact }, 1077 { EGL_TRANSPARENT_RED_VALUE, config_management_t::exact }, 1078 { EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact }, 1079 { EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact }, 1080 { EGL_MIN_SWAP_INTERVAL, config_management_t::exact }, 1081 { EGL_MAX_SWAP_INTERVAL, config_management_t::exact }, 1082 { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, 1083 { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, 1084 { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, 1085 { EGL_RENDERABLE_TYPE, config_management_t::mask }, 1086 { EGL_CONFORMANT, config_management_t::mask } 1087}; 1088 1089 1090static config_pair_t const config_defaults[] = { 1091 // attributes that are not specified are simply ignored, if a particular 1092 // one needs not be ignored, it must be specified here, eg: 1093 // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, 1094}; 1095 1096// ---------------------------------------------------------------------------- 1097 1098template<typename T> 1099static int binarySearch(T const sortedArray[], int first, int last, EGLint key) 1100{ 1101 while (first <= last) { 1102 int mid = (first + last) / 2; 1103 if (key > sortedArray[mid].key) { 1104 first = mid + 1; 1105 } else if (key < sortedArray[mid].key) { 1106 last = mid - 1; 1107 } else { 1108 return mid; 1109 } 1110 } 1111 return -1; 1112} 1113 1114static int isAttributeMatching(int i, EGLint attr, EGLint val) 1115{ 1116 // look for the attribute in all of our configs 1117 config_pair_t const* configFound = gConfigs[i].array; 1118 int index = binarySearch<config_pair_t>( 1119 gConfigs[i].array, 1120 0, gConfigs[i].size-1, 1121 attr); 1122 if (index < 0) { 1123 configFound = config_base_attribute_list; 1124 index = binarySearch<config_pair_t>( 1125 config_base_attribute_list, 1126 0, NELEM(config_base_attribute_list)-1, 1127 attr); 1128 } 1129 if (index >= 0) { 1130 // attribute found, check if this config could match 1131 int cfgMgtIndex = binarySearch<config_management_t>( 1132 gConfigManagement, 1133 0, NELEM(gConfigManagement)-1, 1134 attr); 1135 if (index >= 0) { 1136 bool match = gConfigManagement[cfgMgtIndex].match( 1137 val, configFound[index].value); 1138 if (match) { 1139 // this config matches 1140 return 1; 1141 } 1142 } else { 1143 // attribute not found. this should NEVER happen. 1144 } 1145 } else { 1146 // error, this attribute doesn't exist 1147 } 1148 return 0; 1149} 1150 1151static int makeCurrent(ogles_context_t* gl) 1152{ 1153 ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific(); 1154 if (gl) { 1155 egl_context_t* c = egl_context_t::context(gl); 1156 if (c->flags & egl_context_t::IS_CURRENT) { 1157 if (current != gl) { 1158 // it is an error to set a context current, if it's already 1159 // current to another thread 1160 return -1; 1161 } 1162 } else { 1163 if (current) { 1164 // mark the current context as not current, and flush 1165 glFlush(); 1166 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1167 } 1168 } 1169 if (!(c->flags & egl_context_t::IS_CURRENT)) { 1170 // The context is not current, make it current! 1171 setGlThreadSpecific(gl); 1172 c->flags |= egl_context_t::IS_CURRENT; 1173 } 1174 } else { 1175 if (current) { 1176 // mark the current context as not current, and flush 1177 glFlush(); 1178 egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT; 1179 } 1180 // this thread has no context attached to it 1181 setGlThreadSpecific(0); 1182 } 1183 return 0; 1184} 1185 1186static EGLBoolean getConfigAttrib(EGLDisplay dpy, EGLConfig config, 1187 EGLint attribute, EGLint *value) 1188{ 1189 size_t numConfigs = NELEM(gConfigs); 1190 int index = (int)config; 1191 if (uint32_t(index) >= numConfigs) 1192 return setError(EGL_BAD_CONFIG, EGL_FALSE); 1193 1194 int attrIndex; 1195 attrIndex = binarySearch<config_pair_t>( 1196 gConfigs[index].array, 1197 0, gConfigs[index].size-1, 1198 attribute); 1199 if (attrIndex>=0) { 1200 *value = gConfigs[index].array[attrIndex].value; 1201 return EGL_TRUE; 1202 } 1203 1204 attrIndex = binarySearch<config_pair_t>( 1205 config_base_attribute_list, 1206 0, NELEM(config_base_attribute_list)-1, 1207 attribute); 1208 if (attrIndex>=0) { 1209 *value = config_base_attribute_list[attrIndex].value; 1210 return EGL_TRUE; 1211 } 1212 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1213} 1214 1215static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config, 1216 NativeWindowType window, const EGLint *attrib_list) 1217{ 1218 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1219 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1220 if (window == 0) 1221 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1222 1223 EGLint surfaceType; 1224 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1225 return EGL_FALSE; 1226 1227 if (!(surfaceType & EGL_WINDOW_BIT)) 1228 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1229 1230 if (static_cast<android_native_window_t*>(window)->common.magic != 1231 ANDROID_NATIVE_WINDOW_MAGIC) { 1232 return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); 1233 } 1234 1235 EGLint configID; 1236 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1237 return EGL_FALSE; 1238 1239 int32_t depthFormat; 1240 int32_t pixelFormat; 1241 switch(configID) { 1242 case 0: 1243 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1244 depthFormat = 0; 1245 break; 1246 case 1: 1247 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1248 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1249 break; 1250 case 2: 1251 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1252 depthFormat = 0; 1253 break; 1254 case 3: 1255 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1256 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1257 break; 1258 case 4: 1259 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1260 depthFormat = 0; 1261 break; 1262 case 5: 1263 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1264 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1265 break; 1266 default: 1267 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1268 } 1269 1270 // FIXME: we don't have access to the pixelFormat here just yet. 1271 // (it's possible that the surface is not fully initialized) 1272 // maybe this should be done after the page-flip 1273 //if (EGLint(info.format) != pixelFormat) 1274 // return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1275 1276 egl_surface_t* surface; 1277 surface = new egl_window_surface_v2_t(dpy, config, depthFormat, 1278 static_cast<android_native_window_t*>(window)); 1279 1280 if (!surface->initCheck()) { 1281 // there was a problem in the ctor, the error 1282 // flag has been set. 1283 delete surface; 1284 surface = 0; 1285 } 1286 return surface; 1287} 1288 1289static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config, 1290 NativePixmapType pixmap, const EGLint *attrib_list) 1291{ 1292 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1293 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1294 if (pixmap == 0) 1295 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1296 1297 EGLint surfaceType; 1298 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1299 return EGL_FALSE; 1300 1301 if (!(surfaceType & EGL_PIXMAP_BIT)) 1302 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1303 1304 if (static_cast<egl_native_pixmap_t*>(pixmap)->version != 1305 sizeof(egl_native_pixmap_t)) { 1306 return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); 1307 } 1308 1309 EGLint configID; 1310 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1311 return EGL_FALSE; 1312 1313 int32_t depthFormat; 1314 int32_t pixelFormat; 1315 switch(configID) { 1316 case 0: 1317 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1318 depthFormat = 0; 1319 break; 1320 case 1: 1321 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1322 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1323 break; 1324 case 2: 1325 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1326 depthFormat = 0; 1327 break; 1328 case 3: 1329 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1330 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1331 break; 1332 case 4: 1333 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1334 depthFormat = 0; 1335 break; 1336 case 5: 1337 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1338 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1339 break; 1340 default: 1341 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1342 } 1343 1344 if (pixmap->format != pixelFormat) 1345 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1346 1347 egl_surface_t* surface = 1348 new egl_pixmap_surface_t(dpy, config, depthFormat, 1349 static_cast<egl_native_pixmap_t*>(pixmap)); 1350 1351 if (!surface->initCheck()) { 1352 // there was a problem in the ctor, the error 1353 // flag has been set. 1354 delete surface; 1355 surface = 0; 1356 } 1357 return surface; 1358} 1359 1360static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config, 1361 const EGLint *attrib_list) 1362{ 1363 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1364 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1365 1366 EGLint surfaceType; 1367 if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE) 1368 return EGL_FALSE; 1369 1370 if (!(surfaceType & EGL_PBUFFER_BIT)) 1371 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1372 1373 EGLint configID; 1374 if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) 1375 return EGL_FALSE; 1376 1377 int32_t depthFormat; 1378 int32_t pixelFormat; 1379 switch(configID) { 1380 case 0: 1381 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1382 depthFormat = 0; 1383 break; 1384 case 1: 1385 pixelFormat = GGL_PIXEL_FORMAT_RGB_565; 1386 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1387 break; 1388 case 2: 1389 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1390 depthFormat = 0; 1391 break; 1392 case 3: 1393 pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; 1394 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1395 break; 1396 case 4: 1397 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1398 depthFormat = 0; 1399 break; 1400 case 5: 1401 pixelFormat = GGL_PIXEL_FORMAT_A_8; 1402 depthFormat = GGL_PIXEL_FORMAT_Z_16; 1403 break; 1404 default: 1405 return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); 1406 } 1407 1408 int32_t w = 0; 1409 int32_t h = 0; 1410 while (attrib_list[0]) { 1411 if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1]; 1412 if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1]; 1413 attrib_list+=2; 1414 } 1415 1416 egl_surface_t* surface = 1417 new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat); 1418 1419 if (!surface->initCheck()) { 1420 // there was a problem in the ctor, the error 1421 // flag has been set. 1422 delete surface; 1423 surface = 0; 1424 } 1425 return surface; 1426} 1427 1428// ---------------------------------------------------------------------------- 1429}; // namespace android 1430// ---------------------------------------------------------------------------- 1431 1432using namespace android; 1433 1434// ---------------------------------------------------------------------------- 1435// Initialization 1436// ---------------------------------------------------------------------------- 1437 1438EGLDisplay eglGetDisplay(NativeDisplayType display) 1439{ 1440#ifndef HAVE_ANDROID_OS 1441 // this just needs to be done once 1442 if (gGLKey == -1) { 1443 pthread_mutex_lock(&gInitMutex); 1444 if (gGLKey == -1) 1445 pthread_key_create(&gGLKey, NULL); 1446 pthread_mutex_unlock(&gInitMutex); 1447 } 1448#endif 1449 if (display == EGL_DEFAULT_DISPLAY) { 1450 EGLDisplay dpy = (EGLDisplay)1; 1451 egl_display_t& d = egl_display_t::get_display(dpy); 1452 d.type = display; 1453 return dpy; 1454 } 1455 return EGL_NO_DISPLAY; 1456} 1457 1458EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) 1459{ 1460 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1461 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1462 1463 EGLBoolean res = EGL_TRUE; 1464 egl_display_t& d = egl_display_t::get_display(dpy); 1465 1466 if (android_atomic_inc(&d.initialized) == 0) { 1467 // initialize stuff here if needed 1468 //pthread_mutex_lock(&gInitMutex); 1469 //pthread_mutex_unlock(&gInitMutex); 1470 } 1471 1472 if (res == EGL_TRUE) { 1473 if (major != NULL) *major = VERSION_MAJOR; 1474 if (minor != NULL) *minor = VERSION_MINOR; 1475 } 1476 return res; 1477} 1478 1479EGLBoolean eglTerminate(EGLDisplay dpy) 1480{ 1481 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1482 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1483 1484 EGLBoolean res = EGL_TRUE; 1485 egl_display_t& d = egl_display_t::get_display(dpy); 1486 if (android_atomic_dec(&d.initialized) == 1) { 1487 // TODO: destroy all resources (surfaces, contexts, etc...) 1488 //pthread_mutex_lock(&gInitMutex); 1489 //pthread_mutex_unlock(&gInitMutex); 1490 } 1491 return res; 1492} 1493 1494// ---------------------------------------------------------------------------- 1495// configuration 1496// ---------------------------------------------------------------------------- 1497 1498EGLBoolean eglGetConfigs( EGLDisplay dpy, 1499 EGLConfig *configs, 1500 EGLint config_size, EGLint *num_config) 1501{ 1502 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1503 return setError(EGL_BAD_DISPLAY, 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)i; 1513 } 1514 *num_config = i; 1515 return EGL_TRUE; 1516} 1517 1518EGLBoolean 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==0)) { 1526 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1527 } 1528 1529 if (ggl_unlikely(attrib_list==0)) { 1530 *num_config = 0; 1531 return EGL_TRUE; 1532 } 1533 1534 int numAttributes = 0; 1535 int numConfigs = NELEM(gConfigs); 1536 uint32_t possibleMatch = (1<<numConfigs)-1; 1537 while(possibleMatch && *attrib_list != EGL_NONE) { 1538 numAttributes++; 1539 EGLint attr = *attrib_list++; 1540 EGLint val = *attrib_list++; 1541 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1542 if (!(possibleMatch & (1<<i))) 1543 continue; 1544 if (isAttributeMatching(i, attr, val) == 0) { 1545 possibleMatch &= ~(1<<i); 1546 } 1547 } 1548 } 1549 1550 // now, handle the attributes which have a useful default value 1551 for (size_t j=0 ; possibleMatch && j<NELEM(config_defaults) ; j++) { 1552 // see if this attribute was specified, if not, apply its 1553 // default value 1554 if (binarySearch<config_pair_t>( 1555 (config_pair_t const*)attrib_list, 1556 0, numAttributes-1, 1557 config_defaults[j].key) < 0) 1558 { 1559 for (int i=0 ; possibleMatch && i<numConfigs ; i++) { 1560 if (!(possibleMatch & (1<<i))) 1561 continue; 1562 if (isAttributeMatching(i, 1563 config_defaults[j].key, 1564 config_defaults[j].value) == 0) 1565 { 1566 possibleMatch &= ~(1<<i); 1567 } 1568 } 1569 } 1570 } 1571 1572 // return the configurations found 1573 int n=0; 1574 if (possibleMatch) { 1575 if (configs) { 1576 for (int i=0 ; config_size && i<numConfigs ; i++) { 1577 if (possibleMatch & (1<<i)) { 1578 *configs++ = (EGLConfig)i; 1579 config_size--; 1580 n++; 1581 } 1582 } 1583 } else { 1584 for (int i=0 ; i<numConfigs ; i++) { 1585 if (possibleMatch & (1<<i)) { 1586 n++; 1587 } 1588 } 1589 } 1590 } 1591 *num_config = n; 1592 return EGL_TRUE; 1593} 1594 1595EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, 1596 EGLint attribute, EGLint *value) 1597{ 1598 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1599 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1600 1601 return getConfigAttrib(dpy, config, attribute, value); 1602} 1603 1604// ---------------------------------------------------------------------------- 1605// surfaces 1606// ---------------------------------------------------------------------------- 1607 1608EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, 1609 NativeWindowType window, 1610 const EGLint *attrib_list) 1611{ 1612 return createWindowSurface(dpy, config, window, attrib_list); 1613} 1614 1615EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, 1616 NativePixmapType pixmap, 1617 const EGLint *attrib_list) 1618{ 1619 return createPixmapSurface(dpy, config, pixmap, attrib_list); 1620} 1621 1622EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, 1623 const EGLint *attrib_list) 1624{ 1625 return createPbufferSurface(dpy, config, attrib_list); 1626} 1627 1628EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface) 1629{ 1630 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1631 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1632 if (eglSurface != EGL_NO_SURFACE) { 1633 egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) ); 1634 if (!surface->isValid()) 1635 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1636 if (surface->dpy != dpy) 1637 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1638 if (surface->ctx) { 1639 // FIXME: this surface is current check what the spec says 1640 surface->disconnect(); 1641 surface->ctx = 0; 1642 } 1643 delete surface; 1644 } 1645 return EGL_TRUE; 1646} 1647 1648EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface, 1649 EGLint attribute, EGLint *value) 1650{ 1651 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1652 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1653 egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface); 1654 if (!surface->isValid()) 1655 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1656 if (surface->dpy != dpy) 1657 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1658 1659 EGLBoolean ret = EGL_TRUE; 1660 switch (attribute) { 1661 case EGL_CONFIG_ID: 1662 ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value); 1663 break; 1664 case EGL_WIDTH: 1665 *value = surface->getWidth(); 1666 break; 1667 case EGL_HEIGHT: 1668 *value = surface->getHeight(); 1669 break; 1670 case EGL_LARGEST_PBUFFER: 1671 // not modified for a window or pixmap surface 1672 break; 1673 case EGL_TEXTURE_FORMAT: 1674 *value = EGL_NO_TEXTURE; 1675 break; 1676 case EGL_TEXTURE_TARGET: 1677 *value = EGL_NO_TEXTURE; 1678 break; 1679 case EGL_MIPMAP_TEXTURE: 1680 *value = EGL_FALSE; 1681 break; 1682 case EGL_MIPMAP_LEVEL: 1683 *value = 0; 1684 break; 1685 case EGL_RENDER_BUFFER: 1686 // TODO: return the real RENDER_BUFFER here 1687 *value = EGL_BACK_BUFFER; 1688 break; 1689 case EGL_HORIZONTAL_RESOLUTION: 1690 // pixel/mm * EGL_DISPLAY_SCALING 1691 *value = surface->getHorizontalResolution(); 1692 break; 1693 case EGL_VERTICAL_RESOLUTION: 1694 // pixel/mm * EGL_DISPLAY_SCALING 1695 *value = surface->getVerticalResolution(); 1696 break; 1697 case EGL_PIXEL_ASPECT_RATIO: { 1698 // w/h * EGL_DISPLAY_SCALING 1699 int wr = surface->getHorizontalResolution(); 1700 int hr = surface->getVerticalResolution(); 1701 *value = (wr * EGL_DISPLAY_SCALING) / hr; 1702 } break; 1703 case EGL_SWAP_BEHAVIOR: 1704 *value = surface->getSwapBehavior(); 1705 break; 1706 default: 1707 ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1708 } 1709 return ret; 1710} 1711 1712EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, 1713 EGLContext share_list, const EGLint *attrib_list) 1714{ 1715 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1716 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 1717 1718 ogles_context_t* gl = ogles_init(sizeof(egl_context_t)); 1719 if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT); 1720 1721 egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base); 1722 c->flags = egl_context_t::NEVER_CURRENT; 1723 c->dpy = dpy; 1724 c->config = config; 1725 c->read = 0; 1726 c->draw = 0; 1727 return (EGLContext)gl; 1728} 1729 1730EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) 1731{ 1732 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1733 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1734 egl_context_t* c = egl_context_t::context(ctx); 1735 if (c->flags & egl_context_t::IS_CURRENT) 1736 setGlThreadSpecific(0); 1737 ogles_uninit((ogles_context_t*)ctx); 1738 return EGL_TRUE; 1739} 1740 1741EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, 1742 EGLSurface read, EGLContext ctx) 1743{ 1744 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1745 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1746 if (draw) { 1747 egl_surface_t* s = (egl_surface_t*)draw; 1748 if (!s->isValid()) 1749 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1750 if (s->dpy != dpy) 1751 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1752 // TODO: check that draw is compatible with the context 1753 } 1754 if (read && read!=draw) { 1755 egl_surface_t* s = (egl_surface_t*)read; 1756 if (!s->isValid()) 1757 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1758 if (s->dpy != dpy) 1759 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1760 // TODO: check that read is compatible with the context 1761 } 1762 1763 EGLContext current_ctx = EGL_NO_CONTEXT; 1764 1765 if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT)) 1766 return setError(EGL_BAD_MATCH, EGL_FALSE); 1767 1768 if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT)) 1769 return setError(EGL_BAD_MATCH, EGL_FALSE); 1770 1771 if (ctx == EGL_NO_CONTEXT) { 1772 // if we're detaching, we need the current context 1773 current_ctx = (EGLContext)getGlThreadSpecific(); 1774 } else { 1775 egl_context_t* c = egl_context_t::context(ctx); 1776 egl_surface_t* d = (egl_surface_t*)draw; 1777 egl_surface_t* r = (egl_surface_t*)read; 1778 if ((d && d->ctx && d->ctx != ctx) || 1779 (r && r->ctx && r->ctx != ctx)) { 1780 // one of the surface is bound to a context in another thread 1781 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1782 } 1783 } 1784 1785 ogles_context_t* gl = (ogles_context_t*)ctx; 1786 if (makeCurrent(gl) == 0) { 1787 if (ctx) { 1788 egl_context_t* c = egl_context_t::context(ctx); 1789 egl_surface_t* d = (egl_surface_t*)draw; 1790 egl_surface_t* r = (egl_surface_t*)read; 1791 1792 if (c->draw) { 1793 egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); 1794 s->disconnect(); 1795 } 1796 if (c->read) { 1797 // FIXME: unlock/disconnect the read surface too 1798 } 1799 1800 c->draw = draw; 1801 c->read = read; 1802 1803 if (c->flags & egl_context_t::NEVER_CURRENT) { 1804 c->flags &= ~egl_context_t::NEVER_CURRENT; 1805 GLint w = 0; 1806 GLint h = 0; 1807 if (draw) { 1808 w = d->getWidth(); 1809 h = d->getHeight(); 1810 } 1811 ogles_surfaceport(gl, 0, 0); 1812 ogles_viewport(gl, 0, 0, w, h); 1813 ogles_scissor(gl, 0, 0, w, h); 1814 } 1815 if (d) { 1816 if (d->connect() == EGL_FALSE) { 1817 return EGL_FALSE; 1818 } 1819 d->ctx = ctx; 1820 d->bindDrawSurface(gl); 1821 } 1822 if (r) { 1823 // FIXME: lock/connect the read surface too 1824 r->ctx = ctx; 1825 r->bindReadSurface(gl); 1826 } 1827 } else { 1828 // if surfaces were bound to the context bound to this thread 1829 // mark then as unbound. 1830 if (current_ctx) { 1831 egl_context_t* c = egl_context_t::context(current_ctx); 1832 egl_surface_t* d = (egl_surface_t*)c->draw; 1833 egl_surface_t* r = (egl_surface_t*)c->read; 1834 if (d) { 1835 c->draw = 0; 1836 d->ctx = EGL_NO_CONTEXT; 1837 d->disconnect(); 1838 } 1839 if (r) { 1840 c->read = 0; 1841 r->ctx = EGL_NO_CONTEXT; 1842 // FIXME: unlock/disconnect the read surface too 1843 } 1844 } 1845 } 1846 return EGL_TRUE; 1847 } 1848 return setError(EGL_BAD_ACCESS, EGL_FALSE); 1849} 1850 1851EGLContext eglGetCurrentContext(void) 1852{ 1853 // eglGetCurrentContext returns the current EGL rendering context, 1854 // as specified by eglMakeCurrent. If no context is current, 1855 // EGL_NO_CONTEXT is returned. 1856 return (EGLContext)getGlThreadSpecific(); 1857} 1858 1859EGLSurface eglGetCurrentSurface(EGLint readdraw) 1860{ 1861 // eglGetCurrentSurface returns the read or draw surface attached 1862 // to the current EGL rendering context, as specified by eglMakeCurrent. 1863 // If no context is current, EGL_NO_SURFACE is returned. 1864 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1865 if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE; 1866 egl_context_t* c = egl_context_t::context(ctx); 1867 if (readdraw == EGL_READ) { 1868 return c->read; 1869 } else if (readdraw == EGL_DRAW) { 1870 return c->draw; 1871 } 1872 return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); 1873} 1874 1875EGLDisplay eglGetCurrentDisplay(void) 1876{ 1877 // eglGetCurrentDisplay returns the current EGL display connection 1878 // for the current EGL rendering context, as specified by eglMakeCurrent. 1879 // If no context is current, EGL_NO_DISPLAY is returned. 1880 EGLContext ctx = (EGLContext)getGlThreadSpecific(); 1881 if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY; 1882 egl_context_t* c = egl_context_t::context(ctx); 1883 return c->dpy; 1884} 1885 1886EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, 1887 EGLint attribute, EGLint *value) 1888{ 1889 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1890 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1891 egl_context_t* c = egl_context_t::context(ctx); 1892 switch (attribute) { 1893 case EGL_CONFIG_ID: 1894 // Returns the ID of the EGL frame buffer configuration with 1895 // respect to which the context was created 1896 return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value); 1897 } 1898 return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); 1899} 1900 1901EGLBoolean eglWaitGL(void) 1902{ 1903 return EGL_TRUE; 1904} 1905 1906EGLBoolean eglWaitNative(EGLint engine) 1907{ 1908 return EGL_TRUE; 1909} 1910 1911EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) 1912{ 1913 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1914 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1915 1916 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 1917 if (!d->isValid()) 1918 return setError(EGL_BAD_SURFACE, EGL_FALSE); 1919 if (d->dpy != dpy) 1920 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1921 1922 // post the surface 1923 d->swapBuffers(); 1924 1925 // if it's bound to a context, update the buffer 1926 if (d->ctx != EGL_NO_CONTEXT) { 1927 d->bindDrawSurface((ogles_context_t*)d->ctx); 1928 // if this surface is also the read surface of the context 1929 // it is bound to, make sure to update the read buffer as well. 1930 // The EGL spec is a little unclear about this. 1931 egl_context_t* c = egl_context_t::context(d->ctx); 1932 if (c->read == draw) { 1933 d->bindReadSurface((ogles_context_t*)d->ctx); 1934 } 1935 } 1936 1937 return EGL_TRUE; 1938} 1939 1940EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, 1941 NativePixmapType target) 1942{ 1943 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1944 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1945 // TODO: eglCopyBuffers() 1946 return EGL_FALSE; 1947} 1948 1949EGLint eglGetError(void) 1950{ 1951 return getError(); 1952} 1953 1954const char* eglQueryString(EGLDisplay dpy, EGLint name) 1955{ 1956 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1957 return setError(EGL_BAD_DISPLAY, (const char*)0); 1958 1959 switch (name) { 1960 case EGL_VENDOR: 1961 return gVendorString; 1962 case EGL_VERSION: 1963 return gVersionString; 1964 case EGL_EXTENSIONS: 1965 return gExtensionsString; 1966 case EGL_CLIENT_APIS: 1967 return gClientApiString; 1968 } 1969 return setError(EGL_BAD_PARAMETER, (const char *)0); 1970} 1971 1972// ---------------------------------------------------------------------------- 1973// EGL 1.1 1974// ---------------------------------------------------------------------------- 1975 1976EGLBoolean eglSurfaceAttrib( 1977 EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) 1978{ 1979 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1980 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1981 // TODO: eglSurfaceAttrib() 1982 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1983} 1984 1985EGLBoolean eglBindTexImage( 1986 EGLDisplay dpy, EGLSurface surface, EGLint buffer) 1987{ 1988 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 1989 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 1990 // TODO: eglBindTexImage() 1991 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 1992} 1993 1994EGLBoolean eglReleaseTexImage( 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: eglReleaseTexImage() 2000 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2001} 2002 2003EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) 2004{ 2005 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2006 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2007 // TODO: eglSwapInterval() 2008 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2009} 2010 2011// ---------------------------------------------------------------------------- 2012// EGL 1.2 2013// ---------------------------------------------------------------------------- 2014 2015EGLBoolean eglBindAPI(EGLenum api) 2016{ 2017 if (api != EGL_OPENGL_ES_API) 2018 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2019 return EGL_TRUE; 2020} 2021 2022EGLenum eglQueryAPI(void) 2023{ 2024 return EGL_OPENGL_ES_API; 2025} 2026 2027EGLBoolean eglWaitClient(void) 2028{ 2029 glFinish(); 2030 return EGL_TRUE; 2031} 2032 2033EGLBoolean eglReleaseThread(void) 2034{ 2035 // TODO: eglReleaseThread() 2036 return EGL_TRUE; 2037} 2038 2039EGLSurface eglCreatePbufferFromClientBuffer( 2040 EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, 2041 EGLConfig config, const EGLint *attrib_list) 2042{ 2043 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2044 return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE); 2045 // TODO: eglCreatePbufferFromClientBuffer() 2046 return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); 2047} 2048 2049// ---------------------------------------------------------------------------- 2050// EGL_EGLEXT_VERSION 3 2051// ---------------------------------------------------------------------------- 2052 2053void (*eglGetProcAddress (const char *procname))() 2054{ 2055 extention_map_t const * const map = gExtentionMap; 2056 for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) { 2057 if (!strcmp(procname, map[i].name)) { 2058 return map[i].address; 2059 } 2060 } 2061 return NULL; 2062} 2063 2064EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface, 2065 const EGLint *attrib_list) 2066{ 2067 EGLBoolean result = EGL_FALSE; 2068 return result; 2069} 2070 2071EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface) 2072{ 2073 EGLBoolean result = EGL_FALSE; 2074 return result; 2075} 2076 2077EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, 2078 EGLClientBuffer buffer, const EGLint *attrib_list) 2079{ 2080 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2081 return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); 2082 } 2083 if (ctx != EGL_NO_CONTEXT) { 2084 return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); 2085 } 2086 if (target != EGL_NATIVE_BUFFER_ANDROID) { 2087 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2088 } 2089 2090 android_native_buffer_t* native_buffer = (android_native_buffer_t*)buffer; 2091 2092 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2093 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2094 2095 if (native_buffer->common.version != sizeof(android_native_buffer_t)) 2096 return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); 2097 2098 native_buffer->common.incRef(&native_buffer->common); 2099 return (EGLImageKHR)native_buffer; 2100} 2101 2102EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) 2103{ 2104 if (egl_display_t::is_valid(dpy) == EGL_FALSE) { 2105 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2106 } 2107 2108 android_native_buffer_t* native_buffer = (android_native_buffer_t*)img; 2109 2110 if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) 2111 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2112 2113 if (native_buffer->common.version != sizeof(android_native_buffer_t)) 2114 return setError(EGL_BAD_PARAMETER, EGL_FALSE); 2115 2116 native_buffer->common.decRef(&native_buffer->common); 2117 2118 return EGL_TRUE; 2119} 2120 2121// ---------------------------------------------------------------------------- 2122// ANDROID extensions 2123// ---------------------------------------------------------------------------- 2124 2125EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, 2126 EGLint left, EGLint top, EGLint width, EGLint height) 2127{ 2128 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2129 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2130 2131 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2132 if (!d->isValid()) 2133 return setError(EGL_BAD_SURFACE, EGL_FALSE); 2134 if (d->dpy != dpy) 2135 return setError(EGL_BAD_DISPLAY, EGL_FALSE); 2136 2137 // post the surface 2138 d->setSwapRectangle(left, top, width, height); 2139 2140 return EGL_TRUE; 2141} 2142 2143EGLClientBuffer eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw) 2144{ 2145 if (egl_display_t::is_valid(dpy) == EGL_FALSE) 2146 return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0); 2147 2148 egl_surface_t* d = static_cast<egl_surface_t*>(draw); 2149 if (!d->isValid()) 2150 return setError(EGL_BAD_SURFACE, (EGLClientBuffer)0); 2151 if (d->dpy != dpy) 2152 return setError(EGL_BAD_DISPLAY, (EGLClientBuffer)0); 2153 2154 // post the surface 2155 return d->getRenderBuffer(); 2156} 2157