dlls/wineandroid.drv/opengl.c

   1 /*
   2  * Android OpenGL functions
   3  *
   4  * Copyright 2000 Lionel Ulmer
   5  * Copyright 2005 Alex Woods
   6  * Copyright 2005 Raphael Junqueira
   7  * Copyright 2006-2009 Roderick Colenbrander
   8  * Copyright 2006 Tomas Carnecky
   9  * Copyright 2013 Matteo Bruni
  10  * Copyright 2012, 2013, 2014, 2017 Alexandre Julliard
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2.1 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this library; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  25  */
  26
  27 #include "config.h"
  28
  29 #include <assert.h>
  30 #include <stdarg.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <dlfcn.h>
  34 #ifdef HAVE_EGL_EGL_H
  35 #include <EGL/egl.h>
  36 #endif
  37
  38 #include "android.h"
  39 #include "winternl.h"
  40
  41 #define GLAPIENTRY /* nothing */
  42 #include "wine/wgl.h"
  43 #undef GLAPIENTRY
  44 #include "wine/wgl_driver.h"
  45 #include "wine/debug.h"
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(android);
  48
  49 #define DECL_FUNCPTR(f) typeof(f) * p_##f = NULL
  50 DECL_FUNCPTR( eglCreateContext );
  51 DECL_FUNCPTR( eglCreateWindowSurface );
  52 DECL_FUNCPTR( eglCreatePbufferSurface );
  53 DECL_FUNCPTR( eglDestroyContext );
  54 DECL_FUNCPTR( eglDestroySurface );
  55 DECL_FUNCPTR( eglGetConfigAttrib );
  56 DECL_FUNCPTR( eglGetConfigs );
  57 DECL_FUNCPTR( eglGetDisplay );
  58 DECL_FUNCPTR( eglGetProcAddress );
  59 DECL_FUNCPTR( eglInitialize );
  60 DECL_FUNCPTR( eglMakeCurrent );
  61 DECL_FUNCPTR( eglSwapBuffers );
  62 DECL_FUNCPTR( eglSwapInterval );
  63 #undef DECL_FUNCPTR
  64
  65 static const int egl_client_version = 2;
  66
  67 struct wgl_pixel_format
  68 {
  69     EGLConfig config;
  70 };
  71
  72 struct wgl_context
  73 {
  74     struct list entry;
  75     EGLConfig  config;
  76     EGLContext context;
  77     EGLSurface surface;
  78     HWND       hwnd;
  79     BOOL       refresh;
  80 };
  81
  82 struct gl_drawable
  83 {
  84     struct list     entry;
  85     HWND            hwnd;
  86     HDC             hdc;
  87     int             format;
  88     ANativeWindow  *window;
  89     EGLSurface      surface;
  90     EGLSurface      pbuffer;
  91 };
  92
  93 static void *egl_handle;
  94 static void *opengl_handle;
  95 static struct wgl_pixel_format *pixel_formats;
  96 static int nb_pixel_formats, nb_onscreen_formats;
  97 static EGLDisplay display;
  98 static int swap_interval;
  99 static char wgl_extensions[4096];
 100 static struct opengl_funcs egl_funcs;
 101
 102 static struct list gl_contexts = LIST_INIT( gl_contexts );
 103 static struct list gl_drawables = LIST_INIT( gl_drawables );
 104
 105 static void (*pglFinish)(void);
 106 static void (*pglFlush)(void);
 107
 108 static CRITICAL_SECTION drawable_section;
 109 static CRITICAL_SECTION_DEBUG critsect_debug =
 110 {
 111     0, 0, &drawable_section,
 112     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
 113       0, 0, { (DWORD_PTR)(__FILE__ ": drawable_section") }
 114 };
 115 static CRITICAL_SECTION drawable_section = { &critsect_debug, -1, 0, 0, 0, 0 };
 116
 117 static inline BOOL is_onscreen_pixel_format( int format )
 118 {
 119     return format > 0 && format <= nb_onscreen_formats;
 120 }
 121
 122 static struct gl_drawable *create_gl_drawable( HWND hwnd, HDC hdc, int format )
 123 {
 124     static const int attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE };
 125     struct gl_drawable *gl = HeapAlloc( GetProcessHeap(), 0, sizeof(*gl) );
 126
 127     gl->hwnd   = hwnd;
 128     gl->hdc    = hdc;
 129     gl->format = format;
 130     gl->window = create_ioctl_window( hwnd, TRUE, 1.0f );
 131     gl->surface = 0;
 132     gl->pbuffer = p_eglCreatePbufferSurface( display, pixel_formats[gl->format - 1].config, attribs );
 133     EnterCriticalSection( &drawable_section );
 134     list_add_head( &gl_drawables, &gl->entry );
 135     return gl;
 136 }
 137
 138 static struct gl_drawable *get_gl_drawable( HWND hwnd, HDC hdc )
 139 {
 140     struct gl_drawable *gl;
 141
 142     EnterCriticalSection( &drawable_section );
 143     LIST_FOR_EACH_ENTRY( gl, &gl_drawables, struct gl_drawable, entry )
 144     {
 145         if (hwnd && gl->hwnd == hwnd) return gl;
 146         if (hdc && gl->hdc == hdc) return gl;
 147     }
 148     LeaveCriticalSection( &drawable_section );
 149     return NULL;
 150 }
 151
 152 static void release_gl_drawable( struct gl_drawable *gl )
 153 {
 154     if (gl) LeaveCriticalSection( &drawable_section );
 155 }
 156
 157 void destroy_gl_drawable( HWND hwnd )
 158 {
 159     struct gl_drawable *gl;
 160
 161     EnterCriticalSection( &drawable_section );
 162     LIST_FOR_EACH_ENTRY( gl, &gl_drawables, struct gl_drawable, entry )
 163     {
 164         if (gl->hwnd != hwnd) continue;
 165         list_remove( &gl->entry );
 166         if (gl->surface) p_eglDestroySurface( display, gl->surface );
 167         if (gl->pbuffer) p_eglDestroySurface( display, gl->pbuffer );
 168         release_ioctl_window( gl->window );
 169         HeapFree( GetProcessHeap(), 0, gl );
 170         break;
 171     }
 172     LeaveCriticalSection( &drawable_section );
 173 }
 174
 175 static BOOL refresh_context( struct wgl_context *ctx )
 176 {
 177     BOOL ret = InterlockedExchange( &ctx->refresh, FALSE );
 178
 179     if (ret)
 180     {
 181         TRACE( "refreshing hwnd %p context %p surface %p\n", ctx->hwnd, ctx->context, ctx->surface );
 182         p_eglMakeCurrent( display, ctx->surface, ctx->surface, ctx->context );
 183         RedrawWindow( ctx->hwnd, NULL, 0, RDW_INVALIDATE | RDW_ERASE );
 184     }
 185     return ret;
 186 }
 187
 188 void update_gl_drawable( HWND hwnd )
 189 {
 190     struct gl_drawable *gl;
 191     struct wgl_context *ctx;
 192
 193     if ((gl = get_gl_drawable( hwnd, 0 )))
 194     {
 195         if (!gl->surface &&
 196             (gl->surface = p_eglCreateWindowSurface( display, pixel_formats[gl->format - 1].config, gl->window, NULL )))
 197         {
 198             LIST_FOR_EACH_ENTRY( ctx, &gl_contexts, struct wgl_context, entry )
 199             {
 200                 if (ctx->hwnd != hwnd) continue;
 201                 TRACE( "hwnd %p refreshing %p %scurrent\n", hwnd, ctx, NtCurrentTeb()->glContext == ctx ? "" : "not " );
 202                 ctx->surface = gl->surface;
 203                 if (NtCurrentTeb()->glContext == ctx)
 204                     p_eglMakeCurrent( display, ctx->surface, ctx->surface, ctx->context );
 205                 else
 206                     InterlockedExchange( &ctx->refresh, TRUE );
 207             }
 208         }
 209         release_gl_drawable( gl );
 210         RedrawWindow( hwnd, NULL, 0, RDW_INVALIDATE | RDW_ERASE );
 211     }
 212 }
 213
 214 static BOOL set_pixel_format( HDC hdc, int format, BOOL allow_change )
 215 {
 216     struct gl_drawable *gl;
 217     HWND hwnd = WindowFromDC( hdc );
 218     int prev = 0;
 219
 220     if (!hwnd || hwnd == GetDesktopWindow())
 221     {
 222         WARN( "not a proper window DC %p/%p\n", hdc, hwnd );
 223         return FALSE;
 224     }
 225     if (!is_onscreen_pixel_format( format ))
 226     {
 227         WARN( "Invalid format %d\n", format );
 228         return FALSE;
 229     }
 230     TRACE( "%p/%p format %d\n", hdc, hwnd, format );
 231
 232     if ((gl = get_gl_drawable( hwnd, 0 )))
 233     {
 234         prev = gl->format;
 235         if (allow_change)
 236         {
 237             EGLint pf;
 238             p_eglGetConfigAttrib( display, pixel_formats[format - 1].config, EGL_NATIVE_VISUAL_ID, &pf );
 239             gl->window->perform( gl->window, NATIVE_WINDOW_SET_BUFFERS_FORMAT, pf );
 240             gl->format = format;
 241         }
 242     }
 243     else gl = create_gl_drawable( hwnd, 0, format );
 244
 245     release_gl_drawable( gl );
 246
 247     if (prev && prev != format && !allow_change) return FALSE;
 248     if (__wine_set_pixel_format( hwnd, format )) return TRUE;
 249     destroy_gl_drawable( hwnd );
 250     return FALSE;
 251 }
 252
 253 static struct wgl_context *create_context( HDC hdc, struct wgl_context *share, const int *attribs )
 254 {
 255     struct gl_drawable *gl;
 256     struct wgl_context *ctx;
 257
 258     if (!(gl = get_gl_drawable( WindowFromDC( hdc ), hdc ))) return NULL;
 259
 260     ctx = HeapAlloc( GetProcessHeap(), 0, sizeof(*ctx) );
 261
 262     ctx->config  = pixel_formats[gl->format - 1].config;
 263     ctx->surface = 0;
 264     ctx->refresh = FALSE;
 265     ctx->context = p_eglCreateContext( display, ctx->config,
 266                                        share ? share->context : EGL_NO_CONTEXT, attribs );
 267     TRACE( "%p fmt %d ctx %p\n", hdc, gl->format, ctx->context );
 268     list_add_head( &gl_contexts, &ctx->entry );
 269     release_gl_drawable( gl );
 270     return ctx;
 271 }
 272
 273 /***********************************************************************
 274  *              android_wglGetExtensionsStringARB
 275  */
 276 static const char *android_wglGetExtensionsStringARB( HDC hdc )
 277 {
 278     TRACE( "() returning \"%s\"\n", wgl_extensions );
 279     return wgl_extensions;
 280 }
 281
 282 /***********************************************************************
 283  *              android_wglGetExtensionsStringEXT
 284  */
 285 static const char *android_wglGetExtensionsStringEXT(void)
 286 {
 287     TRACE( "() returning \"%s\"\n", wgl_extensions );
 288     return wgl_extensions;
 289 }
 290
 291 /***********************************************************************
 292  *              android_wglCreateContextAttribsARB
 293  */
 294 static struct wgl_context *android_wglCreateContextAttribsARB( HDC hdc, struct wgl_context *share,
 295                                                                const int *attribs )
 296 {
 297     int count = 0, egl_attribs[3];
 298     BOOL opengl_es = FALSE;
 299
 300     while (attribs && *attribs && count < 2)
 301     {
 302         switch (*attribs)
 303         {
 304         case WGL_CONTEXT_PROFILE_MASK_ARB:
 305             if (attribs[1] == WGL_CONTEXT_ES2_PROFILE_BIT_EXT)
 306                 opengl_es = TRUE;
 307             break;
 308         case WGL_CONTEXT_MAJOR_VERSION_ARB:
 309             egl_attribs[count++] = EGL_CONTEXT_CLIENT_VERSION;
 310             egl_attribs[count++] = attribs[1];
 311             break;
 312         default:
 313             FIXME("Unhandled attributes: %#x %#x\n", attribs[0], attribs[1]);
 314         }
 315         attribs += 2;
 316     }
 317     if (!opengl_es)
 318     {
 319         WARN("Requested creation of an OpenGL (non ES) context, that's not supported.\n");
 320         return NULL;
 321     }
 322     if (!count)  /* FIXME: force version if not specified */
 323     {
 324         egl_attribs[count++] = EGL_CONTEXT_CLIENT_VERSION;
 325         egl_attribs[count++] = egl_client_version;
 326     }
 327     egl_attribs[count] = EGL_NONE;
 328
 329     return create_context( hdc, share, egl_attribs );
 330 }
 331
 332 /***********************************************************************
 333  *              android_wglMakeContextCurrentARB
 334  */
 335 static BOOL android_wglMakeContextCurrentARB( HDC draw_hdc, HDC read_hdc, struct wgl_context *ctx )
 336 {
 337     BOOL ret = FALSE;
 338     struct gl_drawable *draw_gl, *read_gl = NULL;
 339     EGLSurface draw_surface, read_surface;
 340     HWND draw_hwnd;
 341
 342     TRACE( "%p %p %p\n", draw_hdc, read_hdc, ctx );
 343
 344     if (!ctx)
 345     {
 346         p_eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
 347         NtCurrentTeb()->glContext = NULL;
 348         return TRUE;
 349     }
 350
 351     draw_hwnd = WindowFromDC( draw_hdc );
 352     if ((draw_gl = get_gl_drawable( draw_hwnd, draw_hdc )))
 353     {
 354         read_gl = get_gl_drawable( WindowFromDC( read_hdc ), read_hdc );
 355         draw_surface = draw_gl->surface ? draw_gl->surface : draw_gl->pbuffer;
 356         read_surface = read_gl->surface ? read_gl->surface : read_gl->pbuffer;
 357         TRACE( "%p/%p context %p surface %p/%p\n",
 358                draw_hdc, read_hdc, ctx->context, draw_surface, read_surface );
 359         ret = p_eglMakeCurrent( display, draw_surface, read_surface, ctx->context );
 360         if (ret)
 361         {
 362             ctx->surface = draw_gl->surface;
 363             ctx->hwnd    = draw_hwnd;
 364             ctx->refresh = FALSE;
 365             NtCurrentTeb()->glContext = ctx;
 366             goto done;
 367         }
 368     }
 369     SetLastError( ERROR_INVALID_HANDLE );
 370
 371 done:
 372     release_gl_drawable( read_gl );
 373     release_gl_drawable( draw_gl );
 374     return ret;
 375 }
 376
 377 /***********************************************************************
 378  *              android_wglSwapIntervalEXT
 379  */
 380 static BOOL android_wglSwapIntervalEXT( int interval )
 381 {
 382     BOOL ret = TRUE;
 383
 384     TRACE("(%d)\n", interval);
 385
 386     if (interval < 0)
 387     {
 388         SetLastError(ERROR_INVALID_DATA);
 389         return FALSE;
 390     }
 391
 392     ret = p_eglSwapInterval( display, interval );
 393
 394     if (ret)
 395         swap_interval = interval;
 396     else
 397         SetLastError( ERROR_DC_NOT_FOUND );
 398
 399     return ret;
 400 }
 401
 402 /***********************************************************************
 403  *              android_wglGetSwapIntervalEXT
 404  */
 405 static int android_wglGetSwapIntervalEXT(void)
 406 {
 407     return swap_interval;
 408 }
 409
 410 /***********************************************************************
 411  *              android_wglSetPixelFormatWINE
 412  */
 413 static BOOL android_wglSetPixelFormatWINE( HDC hdc, int format )
 414 {
 415     return set_pixel_format( hdc, format, TRUE );
 416 }
 417
 418 /***********************************************************************
 419  *              android_wglCopyContext
 420  */
 421 static BOOL WINAPI android_wglCopyContext( struct wgl_context *src, struct wgl_context *dst, UINT mask )
 422 {
 423     FIXME( "%p -> %p mask %#x unsupported\n", src, dst, mask );
 424     return FALSE;
 425 }
 426
 427 /***********************************************************************
 428  *              android_wglCreateContext
 429  */
 430 static struct wgl_context * WINAPI android_wglCreateContext( HDC hdc )
 431 {
 432     int egl_attribs[3] = { EGL_CONTEXT_CLIENT_VERSION, egl_client_version, EGL_NONE };
 433
 434     return create_context( hdc, NULL, egl_attribs );
 435 }
 436
 437 /***********************************************************************
 438  *              android_wglDeleteContext
 439  */
 440 static BOOL WINAPI android_wglDeleteContext( struct wgl_context *ctx )
 441 {
 442     EnterCriticalSection( &drawable_section );
 443     list_remove( &ctx->entry );
 444     LeaveCriticalSection( &drawable_section );
 445     p_eglDestroyContext( display, ctx->context );
 446     return HeapFree( GetProcessHeap(), 0, ctx );
 447 }
 448
 449 /***********************************************************************
 450  *              android_wglDescribePixelFormat
 451  */
 452 static int WINAPI android_wglDescribePixelFormat( HDC hdc, int fmt, UINT size, PIXELFORMATDESCRIPTOR *pfd )
 453 {
 454     EGLint val;
 455     EGLConfig config;
 456
 457     if (!pfd) return nb_onscreen_formats;
 458     if (!is_onscreen_pixel_format( fmt )) return 0;
 459     if (size < sizeof(*pfd)) return 0;
 460     config = pixel_formats[fmt - 1].config;
 461
 462     memset( pfd, 0, sizeof(*pfd) );
 463     pfd->nSize = sizeof(*pfd);
 464     pfd->nVersion = 1;
 465     pfd->dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER;
 466     pfd->iPixelType = PFD_TYPE_RGBA;
 467     pfd->iLayerType = PFD_MAIN_PLANE;
 468
 469     p_eglGetConfigAttrib( display, config, EGL_BUFFER_SIZE, &val );
 470     pfd->cColorBits = val;
 471     p_eglGetConfigAttrib( display, config, EGL_RED_SIZE, &val );
 472     pfd->cRedBits = val;
 473     p_eglGetConfigAttrib( display, config, EGL_GREEN_SIZE, &val );
 474     pfd->cGreenBits = val;
 475     p_eglGetConfigAttrib( display, config, EGL_BLUE_SIZE, &val );
 476     pfd->cBlueBits = val;
 477     p_eglGetConfigAttrib( display, config, EGL_ALPHA_SIZE, &val );
 478     pfd->cAlphaBits = val;
 479     p_eglGetConfigAttrib( display, config, EGL_DEPTH_SIZE, &val );
 480     pfd->cDepthBits = val;
 481     p_eglGetConfigAttrib( display, config, EGL_STENCIL_SIZE, &val );
 482     pfd->cStencilBits = val;
 483
 484     pfd->cAlphaShift = 0;
 485     pfd->cBlueShift = pfd->cAlphaShift + pfd->cAlphaBits;
 486     pfd->cGreenShift = pfd->cBlueShift + pfd->cBlueBits;
 487     pfd->cRedShift = pfd->cGreenShift + pfd->cGreenBits;
 488
 489     TRACE( "fmt %u color %u %u/%u/%u/%u depth %u stencil %u\n",
 490            fmt, pfd->cColorBits, pfd->cRedBits, pfd->cGreenBits, pfd->cBlueBits,
 491            pfd->cAlphaBits, pfd->cDepthBits, pfd->cStencilBits );
 492     return nb_onscreen_formats;
 493 }
 494
 495 /***********************************************************************
 496  *              android_wglGetPixelFormat
 497  */
 498 static int WINAPI android_wglGetPixelFormat( HDC hdc )
 499 {
 500     struct gl_drawable *gl;
 501     int ret = 0;
 502
 503     if ((gl = get_gl_drawable( WindowFromDC( hdc ), hdc )))
 504     {
 505         ret = gl->format;
 506         /* offscreen formats can't be used with traditional WGL calls */
 507         if (!is_onscreen_pixel_format( ret )) ret = 1;
 508         release_gl_drawable( gl );
 509     }
 510     return ret;
 511 }
 512
 513 /***********************************************************************
 514  *              android_wglGetProcAddress
 515  */
 516 static PROC WINAPI android_wglGetProcAddress( LPCSTR name )
 517 {
 518     PROC ret;
 519     if (!strncmp( name, "wgl", 3 )) return NULL;
 520     ret = (PROC)p_eglGetProcAddress( name );
 521     TRACE( "%s -> %p\n", name, ret );
 522     return ret;
 523 }
 524
 525 /***********************************************************************
 526  *              android_wglMakeCurrent
 527  */
 528 static BOOL WINAPI android_wglMakeCurrent( HDC hdc, struct wgl_context *ctx )
 529 {
 530     BOOL ret = FALSE;
 531     struct gl_drawable *gl;
 532     HWND hwnd;
 533
 534     TRACE( "%p %p\n", hdc, ctx );
 535
 536     if (!ctx)
 537     {
 538         p_eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
 539         NtCurrentTeb()->glContext = NULL;
 540         return TRUE;
 541     }
 542
 543     hwnd = WindowFromDC( hdc );
 544     if ((gl = get_gl_drawable( hwnd, hdc )))
 545     {
 546         EGLSurface surface = gl->surface ? gl->surface : gl->pbuffer;
 547         TRACE( "%p hwnd %p context %p surface %p\n", hdc, gl->hwnd, ctx->context, surface );
 548         ret = p_eglMakeCurrent( display, surface, surface, ctx->context );
 549         if (ret)
 550         {
 551             ctx->surface = gl->surface;
 552             ctx->hwnd    = hwnd;
 553             ctx->refresh = FALSE;
 554             NtCurrentTeb()->glContext = ctx;
 555             goto done;
 556         }
 557     }
 558     SetLastError( ERROR_INVALID_HANDLE );
 559
 560 done:
 561     release_gl_drawable( gl );
 562     return ret;
 563 }
 564
 565 /***********************************************************************
 566  *              android_wglSetPixelFormat
 567  */
 568 static BOOL WINAPI android_wglSetPixelFormat( HDC hdc, int format, const PIXELFORMATDESCRIPTOR *pfd )
 569 {
 570     return set_pixel_format( hdc, format, FALSE );
 571 }
 572
 573 /***********************************************************************
 574  *              android_wglShareLists
 575  */
 576 static BOOL WINAPI android_wglShareLists( struct wgl_context *org, struct wgl_context *dest )
 577 {
 578     FIXME( "%p %p\n", org, dest );
 579     return FALSE;
 580 }
 581
 582 /***********************************************************************
 583  *              android_wglSwapBuffers
 584  */
 585 static BOOL WINAPI android_wglSwapBuffers( HDC hdc )
 586 {
 587     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 588
 589     if (!ctx) return FALSE;
 590
 591     TRACE( "%p hwnd %p context %p surface %p\n", hdc, ctx->hwnd, ctx->context, ctx->surface );
 592
 593     if (refresh_context( ctx )) return TRUE;
 594     if (ctx->surface) p_eglSwapBuffers( display, ctx->surface );
 595     return TRUE;
 596 }
 597
 598 static void wglFinish(void)
 599 {
 600     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 601
 602     if (!ctx) return;
 603     TRACE( "hwnd %p context %p\n", ctx->hwnd, ctx->context );
 604     refresh_context( ctx );
 605     pglFinish();
 606 }
 607
 608 static void wglFlush(void)
 609 {
 610     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 611
 612     if (!ctx) return;
 613     TRACE( "hwnd %p context %p\n", ctx->hwnd, ctx->context );
 614     refresh_context( ctx );
 615     pglFlush();
 616 }
 617
 618 static void register_extension( const char *ext )
 619 {
 620     if (wgl_extensions[0]) strcat( wgl_extensions, " " );
 621     strcat( wgl_extensions, ext );
 622     TRACE( "%s\n", ext );
 623 }
 624
 625 static void init_extensions(void)
 626 {
 627     void *ptr;
 628
 629     register_extension("WGL_ARB_create_context");
 630     register_extension("WGL_ARB_create_context_profile");
 631     egl_funcs.ext.p_wglCreateContextAttribsARB = android_wglCreateContextAttribsARB;
 632
 633     register_extension("WGL_ARB_extensions_string");
 634     egl_funcs.ext.p_wglGetExtensionsStringARB = android_wglGetExtensionsStringARB;
 635
 636     register_extension("WGL_ARB_make_current_read");
 637     egl_funcs.ext.p_wglGetCurrentReadDCARB   = (void *)1;  /* never called */
 638     egl_funcs.ext.p_wglMakeContextCurrentARB = android_wglMakeContextCurrentARB;
 639
 640     register_extension("WGL_EXT_extensions_string");
 641     egl_funcs.ext.p_wglGetExtensionsStringEXT = android_wglGetExtensionsStringEXT;
 642
 643     register_extension("WGL_EXT_swap_control");
 644     egl_funcs.ext.p_wglSwapIntervalEXT = android_wglSwapIntervalEXT;
 645     egl_funcs.ext.p_wglGetSwapIntervalEXT = android_wglGetSwapIntervalEXT;
 646
 647     register_extension("WGL_EXT_framebuffer_sRGB");
 648
 649     /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
 650      * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
 651      */
 652     register_extension("WGL_WINE_pixel_format_passthrough");
 653     egl_funcs.ext.p_wglSetPixelFormatWINE = android_wglSetPixelFormatWINE;
 654
 655     /* load standard functions and extensions exported from the OpenGL library */
 656
 657 #define USE_GL_FUNC(func) if ((ptr = dlsym( opengl_handle, #func ))) egl_funcs.gl.p_##func = ptr;
 658     ALL_WGL_FUNCS
 659 #undef USE_GL_FUNC
 660
 661 #define LOAD_FUNCPTR(func) egl_funcs.ext.p_##func = dlsym( opengl_handle, #func )
 662     LOAD_FUNCPTR( glActiveShaderProgram );
 663     LOAD_FUNCPTR( glActiveTexture );
 664     LOAD_FUNCPTR( glAttachShader );
 665     LOAD_FUNCPTR( glBeginQuery );
 666     LOAD_FUNCPTR( glBeginTransformFeedback );
 667     LOAD_FUNCPTR( glBindAttribLocation );
 668     LOAD_FUNCPTR( glBindBuffer );
 669     LOAD_FUNCPTR( glBindBufferBase );
 670     LOAD_FUNCPTR( glBindBufferRange );
 671     LOAD_FUNCPTR( glBindFramebuffer );
 672     LOAD_FUNCPTR( glBindImageTexture );
 673     LOAD_FUNCPTR( glBindProgramPipeline );
 674     LOAD_FUNCPTR( glBindRenderbuffer );
 675     LOAD_FUNCPTR( glBindSampler );
 676     LOAD_FUNCPTR( glBindTransformFeedback );
 677     LOAD_FUNCPTR( glBindVertexArray );
 678     LOAD_FUNCPTR( glBindVertexBuffer );
 679     LOAD_FUNCPTR( glBlendBarrierKHR );
 680     LOAD_FUNCPTR( glBlendColor );
 681     LOAD_FUNCPTR( glBlendEquation );
 682     LOAD_FUNCPTR( glBlendEquationSeparate );
 683     LOAD_FUNCPTR( glBlendFuncSeparate );
 684     LOAD_FUNCPTR( glBlitFramebuffer );
 685     LOAD_FUNCPTR( glBufferData );
 686     LOAD_FUNCPTR( glBufferSubData );
 687     LOAD_FUNCPTR( glCheckFramebufferStatus );
 688     LOAD_FUNCPTR( glClearBufferfi );
 689     LOAD_FUNCPTR( glClearBufferfv );
 690     LOAD_FUNCPTR( glClearBufferiv );
 691     LOAD_FUNCPTR( glClearBufferuiv );
 692     LOAD_FUNCPTR( glClearDepthf );
 693     LOAD_FUNCPTR( glClientWaitSync );
 694     LOAD_FUNCPTR( glCompileShader );
 695     LOAD_FUNCPTR( glCompressedTexImage2D );
 696     LOAD_FUNCPTR( glCompressedTexImage3D );
 697     LOAD_FUNCPTR( glCompressedTexSubImage2D );
 698     LOAD_FUNCPTR( glCompressedTexSubImage3D );
 699     LOAD_FUNCPTR( glCopyBufferSubData );
 700     LOAD_FUNCPTR( glCopyTexSubImage3D );
 701     LOAD_FUNCPTR( glCreateProgram );
 702     LOAD_FUNCPTR( glCreateShader );
 703     LOAD_FUNCPTR( glCreateShaderProgramv );
 704     LOAD_FUNCPTR( glDeleteBuffers );
 705     LOAD_FUNCPTR( glDeleteFramebuffers );
 706     LOAD_FUNCPTR( glDeleteProgram );
 707     LOAD_FUNCPTR( glDeleteProgramPipelines );
 708     LOAD_FUNCPTR( glDeleteQueries );
 709     LOAD_FUNCPTR( glDeleteRenderbuffers );
 710     LOAD_FUNCPTR( glDeleteSamplers );
 711     LOAD_FUNCPTR( glDeleteShader );
 712     LOAD_FUNCPTR( glDeleteSync );
 713     LOAD_FUNCPTR( glDeleteTransformFeedbacks );
 714     LOAD_FUNCPTR( glDeleteVertexArrays );
 715     LOAD_FUNCPTR( glDepthRangef );
 716     LOAD_FUNCPTR( glDetachShader );
 717     LOAD_FUNCPTR( glDisableVertexAttribArray );
 718     LOAD_FUNCPTR( glDispatchCompute );
 719     LOAD_FUNCPTR( glDispatchComputeIndirect );
 720     LOAD_FUNCPTR( glDrawArraysIndirect );
 721     LOAD_FUNCPTR( glDrawArraysInstanced );
 722     LOAD_FUNCPTR( glDrawBuffers );
 723     LOAD_FUNCPTR( glDrawElementsIndirect );
 724     LOAD_FUNCPTR( glDrawElementsInstanced );
 725     LOAD_FUNCPTR( glDrawRangeElements );
 726     LOAD_FUNCPTR( glEnableVertexAttribArray );
 727     LOAD_FUNCPTR( glEndQuery );
 728     LOAD_FUNCPTR( glEndTransformFeedback );
 729     LOAD_FUNCPTR( glFenceSync );
 730     LOAD_FUNCPTR( glFlushMappedBufferRange );
 731     LOAD_FUNCPTR( glFramebufferParameteri );
 732     LOAD_FUNCPTR( glFramebufferRenderbuffer );
 733     LOAD_FUNCPTR( glFramebufferTexture2D );
 734     LOAD_FUNCPTR( glFramebufferTextureEXT );
 735     LOAD_FUNCPTR( glFramebufferTextureLayer );
 736     LOAD_FUNCPTR( glGenBuffers );
 737     LOAD_FUNCPTR( glGenFramebuffers );
 738     LOAD_FUNCPTR( glGenProgramPipelines );
 739     LOAD_FUNCPTR( glGenQueries );
 740     LOAD_FUNCPTR( glGenRenderbuffers );
 741     LOAD_FUNCPTR( glGenSamplers );
 742     LOAD_FUNCPTR( glGenTransformFeedbacks );
 743     LOAD_FUNCPTR( glGenVertexArrays );
 744     LOAD_FUNCPTR( glGenerateMipmap );
 745     LOAD_FUNCPTR( glGetActiveAttrib );
 746     LOAD_FUNCPTR( glGetActiveUniform );
 747     LOAD_FUNCPTR( glGetActiveUniformBlockName );
 748     LOAD_FUNCPTR( glGetActiveUniformBlockiv );
 749     LOAD_FUNCPTR( glGetActiveUniformsiv );
 750     LOAD_FUNCPTR( glGetAttachedShaders );
 751     LOAD_FUNCPTR( glGetAttribLocation );
 752     LOAD_FUNCPTR( glGetBooleani_v );
 753     LOAD_FUNCPTR( glGetBufferParameteri64v );
 754     LOAD_FUNCPTR( glGetBufferParameteriv );
 755     LOAD_FUNCPTR( glGetBufferPointerv );
 756     LOAD_FUNCPTR( glGetFragDataLocation );
 757     LOAD_FUNCPTR( glGetFramebufferAttachmentParameteriv );
 758     LOAD_FUNCPTR( glGetFramebufferParameteriv );
 759     LOAD_FUNCPTR( glGetInteger64i_v );
 760     LOAD_FUNCPTR( glGetInteger64v );
 761     LOAD_FUNCPTR( glGetIntegeri_v );
 762     LOAD_FUNCPTR( glGetInternalformativ );
 763     LOAD_FUNCPTR( glGetMultisamplefv );
 764     LOAD_FUNCPTR( glGetProgramBinary );
 765     LOAD_FUNCPTR( glGetProgramInfoLog );
 766     LOAD_FUNCPTR( glGetProgramInterfaceiv );
 767     LOAD_FUNCPTR( glGetProgramPipelineInfoLog );
 768     LOAD_FUNCPTR( glGetProgramPipelineiv );
 769     LOAD_FUNCPTR( glGetProgramResourceIndex );
 770     LOAD_FUNCPTR( glGetProgramResourceLocation );
 771     LOAD_FUNCPTR( glGetProgramResourceName );
 772     LOAD_FUNCPTR( glGetProgramResourceiv );
 773     LOAD_FUNCPTR( glGetProgramiv );
 774     LOAD_FUNCPTR( glGetQueryObjectuiv );
 775     LOAD_FUNCPTR( glGetQueryiv );
 776     LOAD_FUNCPTR( glGetRenderbufferParameteriv );
 777     LOAD_FUNCPTR( glGetSamplerParameterfv );
 778     LOAD_FUNCPTR( glGetSamplerParameteriv );
 779     LOAD_FUNCPTR( glGetShaderInfoLog );
 780     LOAD_FUNCPTR( glGetShaderPrecisionFormat );
 781     LOAD_FUNCPTR( glGetShaderSource );
 782     LOAD_FUNCPTR( glGetShaderiv );
 783     LOAD_FUNCPTR( glGetStringi );
 784     LOAD_FUNCPTR( glGetSynciv );
 785     LOAD_FUNCPTR( glGetTexParameterIivEXT );
 786     LOAD_FUNCPTR( glGetTexParameterIuivEXT );
 787     LOAD_FUNCPTR( glGetTransformFeedbackVarying );
 788     LOAD_FUNCPTR( glGetUniformBlockIndex );
 789     LOAD_FUNCPTR( glGetUniformIndices );
 790     LOAD_FUNCPTR( glGetUniformLocation );
 791     LOAD_FUNCPTR( glGetUniformfv );
 792     LOAD_FUNCPTR( glGetUniformiv );
 793     LOAD_FUNCPTR( glGetUniformuiv );
 794     LOAD_FUNCPTR( glGetVertexAttribIiv );
 795     LOAD_FUNCPTR( glGetVertexAttribIuiv );
 796     LOAD_FUNCPTR( glGetVertexAttribPointerv );
 797     LOAD_FUNCPTR( glGetVertexAttribfv );
 798     LOAD_FUNCPTR( glGetVertexAttribiv );
 799     LOAD_FUNCPTR( glInvalidateFramebuffer );
 800     LOAD_FUNCPTR( glInvalidateSubFramebuffer );
 801     LOAD_FUNCPTR( glIsBuffer );
 802     LOAD_FUNCPTR( glIsFramebuffer );
 803     LOAD_FUNCPTR( glIsProgram );
 804     LOAD_FUNCPTR( glIsProgramPipeline );
 805     LOAD_FUNCPTR( glIsQuery );
 806     LOAD_FUNCPTR( glIsRenderbuffer );
 807     LOAD_FUNCPTR( glIsSampler );
 808     LOAD_FUNCPTR( glIsShader );
 809     LOAD_FUNCPTR( glIsSync );
 810     LOAD_FUNCPTR( glIsTransformFeedback );
 811     LOAD_FUNCPTR( glIsVertexArray );
 812     LOAD_FUNCPTR( glLinkProgram );
 813     LOAD_FUNCPTR( glMapBufferRange );
 814     LOAD_FUNCPTR( glMemoryBarrier );
 815     LOAD_FUNCPTR( glMemoryBarrierByRegion );
 816     LOAD_FUNCPTR( glPauseTransformFeedback );
 817     LOAD_FUNCPTR( glProgramBinary );
 818     LOAD_FUNCPTR( glProgramParameteri );
 819     LOAD_FUNCPTR( glProgramUniform1f );
 820     LOAD_FUNCPTR( glProgramUniform1fv );
 821     LOAD_FUNCPTR( glProgramUniform1i );
 822     LOAD_FUNCPTR( glProgramUniform1iv );
 823     LOAD_FUNCPTR( glProgramUniform1ui );
 824     LOAD_FUNCPTR( glProgramUniform1uiv );
 825     LOAD_FUNCPTR( glProgramUniform2f );
 826     LOAD_FUNCPTR( glProgramUniform2fv );
 827     LOAD_FUNCPTR( glProgramUniform2i );
 828     LOAD_FUNCPTR( glProgramUniform2iv );
 829     LOAD_FUNCPTR( glProgramUniform2ui );
 830     LOAD_FUNCPTR( glProgramUniform2uiv );
 831     LOAD_FUNCPTR( glProgramUniform3f );
 832     LOAD_FUNCPTR( glProgramUniform3fv );
 833     LOAD_FUNCPTR( glProgramUniform3i );
 834     LOAD_FUNCPTR( glProgramUniform3iv );
 835     LOAD_FUNCPTR( glProgramUniform3ui );
 836     LOAD_FUNCPTR( glProgramUniform3uiv );
 837     LOAD_FUNCPTR( glProgramUniform4f );
 838     LOAD_FUNCPTR( glProgramUniform4fv );
 839     LOAD_FUNCPTR( glProgramUniform4i );
 840     LOAD_FUNCPTR( glProgramUniform4iv );
 841     LOAD_FUNCPTR( glProgramUniform4ui );
 842     LOAD_FUNCPTR( glProgramUniform4uiv );
 843     LOAD_FUNCPTR( glProgramUniformMatrix2fv );
 844     LOAD_FUNCPTR( glProgramUniformMatrix2x3fv );
 845     LOAD_FUNCPTR( glProgramUniformMatrix2x4fv );
 846     LOAD_FUNCPTR( glProgramUniformMatrix3fv );
 847     LOAD_FUNCPTR( glProgramUniformMatrix3x2fv );
 848     LOAD_FUNCPTR( glProgramUniformMatrix3x4fv );
 849     LOAD_FUNCPTR( glProgramUniformMatrix4fv );
 850     LOAD_FUNCPTR( glProgramUniformMatrix4x2fv );
 851     LOAD_FUNCPTR( glProgramUniformMatrix4x3fv );
 852     LOAD_FUNCPTR( glReleaseShaderCompiler );
 853     LOAD_FUNCPTR( glRenderbufferStorage );
 854     LOAD_FUNCPTR( glRenderbufferStorageMultisample );
 855     LOAD_FUNCPTR( glResumeTransformFeedback );
 856     LOAD_FUNCPTR( glSampleCoverage );
 857     LOAD_FUNCPTR( glSampleMaski );
 858     LOAD_FUNCPTR( glSamplerParameterf );
 859     LOAD_FUNCPTR( glSamplerParameterfv );
 860     LOAD_FUNCPTR( glSamplerParameteri );
 861     LOAD_FUNCPTR( glSamplerParameteriv );
 862     LOAD_FUNCPTR( glShaderBinary );
 863     LOAD_FUNCPTR( glShaderSource );
 864     LOAD_FUNCPTR( glStencilFuncSeparate );
 865     LOAD_FUNCPTR( glStencilMaskSeparate );
 866     LOAD_FUNCPTR( glStencilOpSeparate );
 867     LOAD_FUNCPTR( glTexBufferEXT );
 868     LOAD_FUNCPTR( glTexImage3D );
 869     LOAD_FUNCPTR( glTexParameterIivEXT );
 870     LOAD_FUNCPTR( glTexParameterIuivEXT );
 871     LOAD_FUNCPTR( glTexStorage2D );
 872     LOAD_FUNCPTR( glTexStorage2DMultisample );
 873     LOAD_FUNCPTR( glTexStorage3D );
 874     LOAD_FUNCPTR( glTexSubImage3D );
 875     LOAD_FUNCPTR( glTransformFeedbackVaryings );
 876     LOAD_FUNCPTR( glUniform1f );
 877     LOAD_FUNCPTR( glUniform1fv );
 878     LOAD_FUNCPTR( glUniform1i );
 879     LOAD_FUNCPTR( glUniform1iv );
 880     LOAD_FUNCPTR( glUniform1ui );
 881     LOAD_FUNCPTR( glUniform1uiv );
 882     LOAD_FUNCPTR( glUniform2f );
 883     LOAD_FUNCPTR( glUniform2fv );
 884     LOAD_FUNCPTR( glUniform2i );
 885     LOAD_FUNCPTR( glUniform2iv );
 886     LOAD_FUNCPTR( glUniform2ui );
 887     LOAD_FUNCPTR( glUniform2uiv );
 888     LOAD_FUNCPTR( glUniform3f );
 889     LOAD_FUNCPTR( glUniform3fv );
 890     LOAD_FUNCPTR( glUniform3i );
 891     LOAD_FUNCPTR( glUniform3iv );
 892     LOAD_FUNCPTR( glUniform3ui );
 893     LOAD_FUNCPTR( glUniform3uiv );
 894     LOAD_FUNCPTR( glUniform4f );
 895     LOAD_FUNCPTR( glUniform4fv );
 896     LOAD_FUNCPTR( glUniform4i );
 897     LOAD_FUNCPTR( glUniform4iv );
 898     LOAD_FUNCPTR( glUniform4ui );
 899     LOAD_FUNCPTR( glUniform4uiv );
 900     LOAD_FUNCPTR( glUniformBlockBinding );
 901     LOAD_FUNCPTR( glUniformMatrix2fv );
 902     LOAD_FUNCPTR( glUniformMatrix2x3fv );
 903     LOAD_FUNCPTR( glUniformMatrix2x4fv );
 904     LOAD_FUNCPTR( glUniformMatrix3fv );
 905     LOAD_FUNCPTR( glUniformMatrix3x2fv );
 906     LOAD_FUNCPTR( glUniformMatrix3x4fv );
 907     LOAD_FUNCPTR( glUniformMatrix4fv );
 908     LOAD_FUNCPTR( glUniformMatrix4x2fv );
 909     LOAD_FUNCPTR( glUniformMatrix4x3fv );
 910     LOAD_FUNCPTR( glUnmapBuffer );
 911     LOAD_FUNCPTR( glUseProgram );
 912     LOAD_FUNCPTR( glUseProgramStages );
 913     LOAD_FUNCPTR( glValidateProgram );
 914     LOAD_FUNCPTR( glValidateProgramPipeline );
 915     LOAD_FUNCPTR( glVertexAttrib1f );
 916     LOAD_FUNCPTR( glVertexAttrib1fv );
 917     LOAD_FUNCPTR( glVertexAttrib2f );
 918     LOAD_FUNCPTR( glVertexAttrib2fv );
 919     LOAD_FUNCPTR( glVertexAttrib3f );
 920     LOAD_FUNCPTR( glVertexAttrib3fv );
 921     LOAD_FUNCPTR( glVertexAttrib4f );
 922     LOAD_FUNCPTR( glVertexAttrib4fv );
 923     LOAD_FUNCPTR( glVertexAttribBinding );
 924     LOAD_FUNCPTR( glVertexAttribDivisor );
 925     LOAD_FUNCPTR( glVertexAttribFormat );
 926     LOAD_FUNCPTR( glVertexAttribI4i );
 927     LOAD_FUNCPTR( glVertexAttribI4iv );
 928     LOAD_FUNCPTR( glVertexAttribI4ui );
 929     LOAD_FUNCPTR( glVertexAttribI4uiv );
 930     LOAD_FUNCPTR( glVertexAttribIFormat );
 931     LOAD_FUNCPTR( glVertexAttribIPointer );
 932     LOAD_FUNCPTR( glVertexAttribPointer );
 933     LOAD_FUNCPTR( glVertexBindingDivisor );
 934     LOAD_FUNCPTR( glWaitSync );
 935 #undef LOAD_FUNCPTR
 936
 937     /* redirect some standard OpenGL functions */
 938
 939 #define REDIRECT(func) \
 940     do { p##func = egl_funcs.gl.p_##func; egl_funcs.gl.p_##func = w##func; } while(0)
 941     REDIRECT(glFinish);
 942     REDIRECT(glFlush);
 943 #undef REDIRECT
 944 }
 945
 946 static BOOL egl_init(void)
 947 {
 948     static int retval = -1;
 949     EGLConfig *configs;
 950     EGLint major, minor, count, i, pass;
 951
 952     if (retval != -1) return retval;
 953     retval = 0;
 954
 955     if (!(egl_handle = dlopen( SONAME_LIBEGL, RTLD_NOW|RTLD_GLOBAL )))
 956     {
 957         ERR( "failed to load %s: %s\n", SONAME_LIBEGL, dlerror() );
 958         return FALSE;
 959     }
 960     if (!(opengl_handle = dlopen( SONAME_LIBGLESV2, RTLD_NOW|RTLD_GLOBAL )))
 961     {
 962         ERR( "failed to load %s: %s\n", SONAME_LIBGLESV2, dlerror() );
 963         return FALSE;
 964     }
 965
 966 #define LOAD_FUNCPTR(func) do { \
 967         if (!(p_##func = dlsym( egl_handle, #func ))) \
 968         { ERR( "can't find symbol %s\n", #func); return FALSE; }    \
 969     } while(0)
 970     LOAD_FUNCPTR( eglCreateContext );
 971     LOAD_FUNCPTR( eglCreateWindowSurface );
 972     LOAD_FUNCPTR( eglCreatePbufferSurface );
 973     LOAD_FUNCPTR( eglDestroyContext );
 974     LOAD_FUNCPTR( eglDestroySurface );
 975     LOAD_FUNCPTR( eglGetConfigAttrib );
 976     LOAD_FUNCPTR( eglGetConfigs );
 977     LOAD_FUNCPTR( eglGetDisplay );
 978     LOAD_FUNCPTR( eglGetProcAddress );
 979     LOAD_FUNCPTR( eglInitialize );
 980     LOAD_FUNCPTR( eglMakeCurrent );
 981     LOAD_FUNCPTR( eglSwapBuffers );
 982     LOAD_FUNCPTR( eglSwapInterval );
 983 #undef LOAD_FUNCPTR
 984
 985     display = p_eglGetDisplay( EGL_DEFAULT_DISPLAY );
 986     if (!p_eglInitialize( display, &major, &minor )) return 0;
 987     TRACE( "display %p version %u.%u\n", display, major, minor );
 988
 989     p_eglGetConfigs( display, NULL, 0, &count );
 990     configs = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*configs) );
 991     pixel_formats = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*pixel_formats) );
 992     p_eglGetConfigs( display, configs, count, &count );
 993     if (!count || !configs || !pixel_formats)
 994     {
 995         HeapFree( GetProcessHeap(), 0, configs );
 996         HeapFree( GetProcessHeap(), 0, pixel_formats );
 997         ERR( "eglGetConfigs returned no configs\n" );
 998         return 0;
 999     }
1000
1001     for (pass = 0; pass < 2; pass++)
1002     {
1003         for (i = 0; i < count; i++)
1004         {
1005             EGLint id, type, visual_id, native, render, color, r, g, b, d, s;
1006
1007             p_eglGetConfigAttrib( display, configs[i], EGL_SURFACE_TYPE, &type );
1008             if (!(type & EGL_WINDOW_BIT) == !pass) continue;
1009             p_eglGetConfigAttrib( display, configs[i], EGL_RENDERABLE_TYPE, &render );
1010             if (egl_client_version == 2 && !(render & EGL_OPENGL_ES2_BIT)) continue;
1011
1012             pixel_formats[nb_pixel_formats++].config = configs[i];
1013
1014             p_eglGetConfigAttrib( display, configs[i], EGL_CONFIG_ID, &id );
1015             p_eglGetConfigAttrib( display, configs[i], EGL_NATIVE_VISUAL_ID, &visual_id );
1016             p_eglGetConfigAttrib( display, configs[i], EGL_NATIVE_RENDERABLE, &native );
1017             p_eglGetConfigAttrib( display, configs[i], EGL_COLOR_BUFFER_TYPE, &color );
1018             p_eglGetConfigAttrib( display, configs[i], EGL_RED_SIZE, &r );
1019             p_eglGetConfigAttrib( display, configs[i], EGL_GREEN_SIZE, &g );
1020             p_eglGetConfigAttrib( display, configs[i], EGL_BLUE_SIZE, &b );
1021             p_eglGetConfigAttrib( display, configs[i], EGL_DEPTH_SIZE, &d );
1022             p_eglGetConfigAttrib( display, configs[i], EGL_STENCIL_SIZE, &s );
1023             TRACE( "%u: config %u id %u type %x visual %u native %u render %x colortype %u rgb %u,%u,%u depth %u stencil %u\n",
1024                    nb_pixel_formats, i, id, type, visual_id, native, render, color, r, g, b, d, s );
1025         }
1026         if (!pass) nb_onscreen_formats = nb_pixel_formats;
1027     }
1028
1029     init_extensions();
1030     retval = 1;
1031     return TRUE;
1032 }
1033
1034
1035 /* generate stubs for GL functions that are not exported on Android */
1036
1037 #define USE_GL_FUNC(name) \
1038 static void glstub_##name(void) \
1039 { \
1040     ERR( #name " called\n" ); \
1041     assert( 0 ); \
1042     ExitProcess( 1 ); \
1043 }
1044
1045 ALL_WGL_FUNCS
1046 #undef USE_GL_FUNC
1047
1048 static struct opengl_funcs egl_funcs =
1049 {
1050     {
1051         android_wglCopyContext,
1052         android_wglCreateContext,
1053         android_wglDeleteContext,
1054         android_wglDescribePixelFormat,
1055         android_wglGetPixelFormat,
1056         android_wglGetProcAddress,
1057         android_wglMakeCurrent,
1058         android_wglSetPixelFormat,
1059         android_wglShareLists,
1060         android_wglSwapBuffers,
1061     },
1062 #define USE_GL_FUNC(name) (void *)glstub_##name,
1063     { ALL_WGL_FUNCS }
1064 #undef USE_GL_FUNC
1065 };
1066
1067 struct opengl_funcs *get_wgl_driver( UINT version )
1068 {
1069     if (version != WINE_WGL_DRIVER_VERSION)
1070     {
1071         ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version, WINE_WGL_DRIVER_VERSION );
1072         return NULL;
1073     }
1074     if (!egl_init()) return NULL;
1075     return &egl_funcs;
1076 }