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 #if 0
  28 #pragma makedep unix
  29 #endif
  30
  31 #include "config.h"
  32
  33 #include <assert.h>
  34 #include <stdarg.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <dlfcn.h>
  38 #ifdef HAVE_EGL_EGL_H
  39 #include <EGL/egl.h>
  40 #endif
  41
  42 #include "android.h"
  43 #include "winternl.h"
  44
  45 #define GLAPIENTRY /* nothing */
  46 #include "wine/wgl.h"
  47 #undef GLAPIENTRY
  48 #include "wine/wgl_driver.h"
  49 #include "wine/debug.h"
  50
  51 WINE_DEFAULT_DEBUG_CHANNEL(android);
  52
  53 #define DECL_FUNCPTR(f) typeof(f) * p_##f = NULL
  54 DECL_FUNCPTR( eglCreateContext );
  55 DECL_FUNCPTR( eglCreateWindowSurface );
  56 DECL_FUNCPTR( eglCreatePbufferSurface );
  57 DECL_FUNCPTR( eglDestroyContext );
  58 DECL_FUNCPTR( eglDestroySurface );
  59 DECL_FUNCPTR( eglGetConfigAttrib );
  60 DECL_FUNCPTR( eglGetConfigs );
  61 DECL_FUNCPTR( eglGetDisplay );
  62 DECL_FUNCPTR( eglGetProcAddress );
  63 DECL_FUNCPTR( eglInitialize );
  64 DECL_FUNCPTR( eglMakeCurrent );
  65 DECL_FUNCPTR( eglSwapBuffers );
  66 DECL_FUNCPTR( eglSwapInterval );
  67 #undef DECL_FUNCPTR
  68
  69 static const int egl_client_version = 2;
  70
  71 struct wgl_pixel_format
  72 {
  73     EGLConfig config;
  74 };
  75
  76 struct wgl_context
  77 {
  78     struct list entry;
  79     EGLConfig  config;
  80     EGLContext context;
  81     EGLSurface surface;
  82     HWND       hwnd;
  83     BOOL       refresh;
  84 };
  85
  86 struct gl_drawable
  87 {
  88     struct list     entry;
  89     HWND            hwnd;
  90     HDC             hdc;
  91     int             format;
  92     ANativeWindow  *window;
  93     EGLSurface      surface;
  94     EGLSurface      pbuffer;
  95 };
  96
  97 static void *egl_handle;
  98 static void *opengl_handle;
  99 static struct wgl_pixel_format *pixel_formats;
 100 static int nb_pixel_formats, nb_onscreen_formats;
 101 static EGLDisplay display;
 102 static int swap_interval;
 103 static char wgl_extensions[4096];
 104 static struct opengl_funcs egl_funcs;
 105
 106 static struct list gl_contexts = LIST_INIT( gl_contexts );
 107 static struct list gl_drawables = LIST_INIT( gl_drawables );
 108
 109 static void (*pglFinish)(void);
 110 static void (*pglFlush)(void);
 111
 112 pthread_mutex_t drawable_mutex;
 113
 114 static inline BOOL is_onscreen_pixel_format( int format )
 115 {
 116     return format > 0 && format <= nb_onscreen_formats;
 117 }
 118
 119 static struct gl_drawable *create_gl_drawable( HWND hwnd, HDC hdc, int format )
 120 {
 121     static const int attribs[] = { EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE };
 122     struct gl_drawable *gl = malloc( sizeof(*gl) );
 123
 124     gl->hwnd   = hwnd;
 125     gl->hdc    = hdc;
 126     gl->format = format;
 127     gl->window = create_ioctl_window( hwnd, TRUE, 1.0f );
 128     gl->surface = 0;
 129     gl->pbuffer = p_eglCreatePbufferSurface( display, pixel_formats[gl->format - 1].config, attribs );
 130     pthread_mutex_lock( &drawable_mutex );
 131     list_add_head( &gl_drawables, &gl->entry );
 132     return gl;
 133 }
 134
 135 static struct gl_drawable *get_gl_drawable( HWND hwnd, HDC hdc )
 136 {
 137     struct gl_drawable *gl;
 138
 139     pthread_mutex_lock( &drawable_mutex );
 140     LIST_FOR_EACH_ENTRY( gl, &gl_drawables, struct gl_drawable, entry )
 141     {
 142         if (hwnd && gl->hwnd == hwnd) return gl;
 143         if (hdc && gl->hdc == hdc) return gl;
 144     }
 145     pthread_mutex_unlock( &drawable_mutex );
 146     return NULL;
 147 }
 148
 149 static void release_gl_drawable( struct gl_drawable *gl )
 150 {
 151     if (gl) pthread_mutex_unlock( &drawable_mutex );
 152 }
 153
 154 void destroy_gl_drawable( HWND hwnd )
 155 {
 156     struct gl_drawable *gl;
 157
 158     pthread_mutex_lock( &drawable_mutex );
 159     LIST_FOR_EACH_ENTRY( gl, &gl_drawables, struct gl_drawable, entry )
 160     {
 161         if (gl->hwnd != hwnd) continue;
 162         list_remove( &gl->entry );
 163         if (gl->surface) p_eglDestroySurface( display, gl->surface );
 164         if (gl->pbuffer) p_eglDestroySurface( display, gl->pbuffer );
 165         release_ioctl_window( gl->window );
 166         free( gl );
 167         break;
 168     }
 169     pthread_mutex_unlock( &drawable_mutex );
 170 }
 171
 172 static BOOL refresh_context( struct wgl_context *ctx )
 173 {
 174     BOOL ret = InterlockedExchange( &ctx->refresh, FALSE );
 175
 176     if (ret)
 177     {
 178         TRACE( "refreshing hwnd %p context %p surface %p\n", ctx->hwnd, ctx->context, ctx->surface );
 179         p_eglMakeCurrent( display, ctx->surface, ctx->surface, ctx->context );
 180         NtUserRedrawWindow( ctx->hwnd, NULL, 0, RDW_INVALIDATE | RDW_ERASE );
 181     }
 182     return ret;
 183 }
 184
 185 void update_gl_drawable( HWND hwnd )
 186 {
 187     struct gl_drawable *gl;
 188     struct wgl_context *ctx;
 189
 190     if ((gl = get_gl_drawable( hwnd, 0 )))
 191     {
 192         if (!gl->surface &&
 193             (gl->surface = p_eglCreateWindowSurface( display, pixel_formats[gl->format - 1].config, gl->window, NULL )))
 194         {
 195             LIST_FOR_EACH_ENTRY( ctx, &gl_contexts, struct wgl_context, entry )
 196             {
 197                 if (ctx->hwnd != hwnd) continue;
 198                 TRACE( "hwnd %p refreshing %p %scurrent\n", hwnd, ctx, NtCurrentTeb()->glContext == ctx ? "" : "not " );
 199                 ctx->surface = gl->surface;
 200                 if (NtCurrentTeb()->glContext == ctx)
 201                     p_eglMakeCurrent( display, ctx->surface, ctx->surface, ctx->context );
 202                 else
 203                     InterlockedExchange( &ctx->refresh, TRUE );
 204             }
 205         }
 206         release_gl_drawable( gl );
 207         NtUserRedrawWindow( hwnd, NULL, 0, RDW_INVALIDATE | RDW_ERASE );
 208     }
 209 }
 210
 211 static BOOL set_pixel_format( HDC hdc, int format, BOOL allow_change )
 212 {
 213     struct gl_drawable *gl;
 214     HWND hwnd = NtUserWindowFromDC( hdc );
 215     int prev = 0;
 216
 217     if (!hwnd || hwnd == NtUserGetDesktopWindow())
 218     {
 219         WARN( "not a proper window DC %p/%p\n", hdc, hwnd );
 220         return FALSE;
 221     }
 222     if (!is_onscreen_pixel_format( format ))
 223     {
 224         WARN( "Invalid format %d\n", format );
 225         return FALSE;
 226     }
 227     TRACE( "%p/%p format %d\n", hdc, hwnd, format );
 228
 229     if ((gl = get_gl_drawable( hwnd, 0 )))
 230     {
 231         prev = gl->format;
 232         if (allow_change)
 233         {
 234             EGLint pf;
 235             p_eglGetConfigAttrib( display, pixel_formats[format - 1].config, EGL_NATIVE_VISUAL_ID, &pf );
 236             gl->window->perform( gl->window, NATIVE_WINDOW_SET_BUFFERS_FORMAT, pf );
 237             gl->format = format;
 238         }
 239     }
 240     else gl = create_gl_drawable( hwnd, 0, format );
 241
 242     release_gl_drawable( gl );
 243
 244     if (prev && prev != format && !allow_change) return FALSE;
 245     if (NtUserSetWindowPixelFormat( hwnd, format )) return TRUE;
 246     destroy_gl_drawable( hwnd );
 247     return FALSE;
 248 }
 249
 250 static struct wgl_context *create_context( HDC hdc, struct wgl_context *share, const int *attribs )
 251 {
 252     struct gl_drawable *gl;
 253     struct wgl_context *ctx;
 254
 255     if (!(gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc ))) return NULL;
 256
 257     ctx = malloc( sizeof(*ctx) );
 258
 259     ctx->config  = pixel_formats[gl->format - 1].config;
 260     ctx->surface = 0;
 261     ctx->refresh = FALSE;
 262     ctx->context = p_eglCreateContext( display, ctx->config,
 263                                        share ? share->context : EGL_NO_CONTEXT, attribs );
 264     TRACE( "%p fmt %d ctx %p\n", hdc, gl->format, ctx->context );
 265     list_add_head( &gl_contexts, &ctx->entry );
 266     release_gl_drawable( gl );
 267     return ctx;
 268 }
 269
 270 /***********************************************************************
 271  *              android_wglGetExtensionsStringARB
 272  */
 273 static const char *android_wglGetExtensionsStringARB( HDC hdc )
 274 {
 275     TRACE( "() returning \"%s\"\n", wgl_extensions );
 276     return wgl_extensions;
 277 }
 278
 279 /***********************************************************************
 280  *              android_wglGetExtensionsStringEXT
 281  */
 282 static const char *android_wglGetExtensionsStringEXT(void)
 283 {
 284     TRACE( "() returning \"%s\"\n", wgl_extensions );
 285     return wgl_extensions;
 286 }
 287
 288 /***********************************************************************
 289  *              android_wglCreateContextAttribsARB
 290  */
 291 static struct wgl_context *android_wglCreateContextAttribsARB( HDC hdc, struct wgl_context *share,
 292                                                                const int *attribs )
 293 {
 294     int count = 0, egl_attribs[3];
 295     BOOL opengl_es = FALSE;
 296
 297     while (attribs && *attribs && count < 2)
 298     {
 299         switch (*attribs)
 300         {
 301         case WGL_CONTEXT_PROFILE_MASK_ARB:
 302             if (attribs[1] == WGL_CONTEXT_ES2_PROFILE_BIT_EXT)
 303                 opengl_es = TRUE;
 304             break;
 305         case WGL_CONTEXT_MAJOR_VERSION_ARB:
 306             egl_attribs[count++] = EGL_CONTEXT_CLIENT_VERSION;
 307             egl_attribs[count++] = attribs[1];
 308             break;
 309         default:
 310             FIXME("Unhandled attributes: %#x %#x\n", attribs[0], attribs[1]);
 311         }
 312         attribs += 2;
 313     }
 314     if (!opengl_es)
 315     {
 316         WARN("Requested creation of an OpenGL (non ES) context, that's not supported.\n");
 317         return NULL;
 318     }
 319     if (!count)  /* FIXME: force version if not specified */
 320     {
 321         egl_attribs[count++] = EGL_CONTEXT_CLIENT_VERSION;
 322         egl_attribs[count++] = egl_client_version;
 323     }
 324     egl_attribs[count] = EGL_NONE;
 325
 326     return create_context( hdc, share, egl_attribs );
 327 }
 328
 329 /***********************************************************************
 330  *              android_wglMakeContextCurrentARB
 331  */
 332 static BOOL android_wglMakeContextCurrentARB( HDC draw_hdc, HDC read_hdc, struct wgl_context *ctx )
 333 {
 334     BOOL ret = FALSE;
 335     struct gl_drawable *draw_gl, *read_gl = NULL;
 336     EGLSurface draw_surface, read_surface;
 337     HWND draw_hwnd;
 338
 339     TRACE( "%p %p %p\n", draw_hdc, read_hdc, ctx );
 340
 341     if (!ctx)
 342     {
 343         p_eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
 344         NtCurrentTeb()->glContext = NULL;
 345         return TRUE;
 346     }
 347
 348     draw_hwnd = NtUserWindowFromDC( draw_hdc );
 349     if ((draw_gl = get_gl_drawable( draw_hwnd, draw_hdc )))
 350     {
 351         read_gl = get_gl_drawable( NtUserWindowFromDC( read_hdc ), read_hdc );
 352         draw_surface = draw_gl->surface ? draw_gl->surface : draw_gl->pbuffer;
 353         read_surface = read_gl->surface ? read_gl->surface : read_gl->pbuffer;
 354         TRACE( "%p/%p context %p surface %p/%p\n",
 355                draw_hdc, read_hdc, ctx->context, draw_surface, read_surface );
 356         ret = p_eglMakeCurrent( display, draw_surface, read_surface, ctx->context );
 357         if (ret)
 358         {
 359             ctx->surface = draw_gl->surface;
 360             ctx->hwnd    = draw_hwnd;
 361             ctx->refresh = FALSE;
 362             NtCurrentTeb()->glContext = ctx;
 363             goto done;
 364         }
 365     }
 366     RtlSetLastWin32Error( ERROR_INVALID_HANDLE );
 367
 368 done:
 369     release_gl_drawable( read_gl );
 370     release_gl_drawable( draw_gl );
 371     return ret;
 372 }
 373
 374 /***********************************************************************
 375  *              android_wglSwapIntervalEXT
 376  */
 377 static BOOL android_wglSwapIntervalEXT( int interval )
 378 {
 379     BOOL ret = TRUE;
 380
 381     TRACE("(%d)\n", interval);
 382
 383     if (interval < 0)
 384     {
 385         RtlSetLastWin32Error( ERROR_INVALID_DATA );
 386         return FALSE;
 387     }
 388
 389     ret = p_eglSwapInterval( display, interval );
 390
 391     if (ret)
 392         swap_interval = interval;
 393     else
 394         RtlSetLastWin32Error( ERROR_DC_NOT_FOUND );
 395
 396     return ret;
 397 }
 398
 399 /***********************************************************************
 400  *              android_wglGetSwapIntervalEXT
 401  */
 402 static int android_wglGetSwapIntervalEXT(void)
 403 {
 404     return swap_interval;
 405 }
 406
 407 /***********************************************************************
 408  *              android_wglSetPixelFormatWINE
 409  */
 410 static BOOL android_wglSetPixelFormatWINE( HDC hdc, int format )
 411 {
 412     return set_pixel_format( hdc, format, TRUE );
 413 }
 414
 415 /***********************************************************************
 416  *              android_wglCopyContext
 417  */
 418 static BOOL WINAPI android_wglCopyContext( struct wgl_context *src, struct wgl_context *dst, UINT mask )
 419 {
 420     FIXME( "%p -> %p mask %#x unsupported\n", src, dst, mask );
 421     return FALSE;
 422 }
 423
 424 /***********************************************************************
 425  *              android_wglCreateContext
 426  */
 427 static struct wgl_context * WINAPI android_wglCreateContext( HDC hdc )
 428 {
 429     int egl_attribs[3] = { EGL_CONTEXT_CLIENT_VERSION, egl_client_version, EGL_NONE };
 430
 431     return create_context( hdc, NULL, egl_attribs );
 432 }
 433
 434 /***********************************************************************
 435  *              android_wglDeleteContext
 436  */
 437 static BOOL WINAPI android_wglDeleteContext( struct wgl_context *ctx )
 438 {
 439     pthread_mutex_lock( &drawable_mutex );
 440     list_remove( &ctx->entry );
 441     pthread_mutex_unlock( &drawable_mutex );
 442     p_eglDestroyContext( display, ctx->context );
 443     free( ctx );
 444     return TRUE;
 445 }
 446
 447 /***********************************************************************
 448  *              android_wglDescribePixelFormat
 449  */
 450 static int WINAPI android_wglDescribePixelFormat( HDC hdc, int fmt, UINT size, PIXELFORMATDESCRIPTOR *pfd )
 451 {
 452     EGLint val;
 453     EGLConfig config;
 454
 455     if (!pfd) return nb_onscreen_formats;
 456     if (!is_onscreen_pixel_format( fmt )) return 0;
 457     if (size < sizeof(*pfd)) return 0;
 458     config = pixel_formats[fmt - 1].config;
 459
 460     memset( pfd, 0, sizeof(*pfd) );
 461     pfd->nSize = sizeof(*pfd);
 462     pfd->nVersion = 1;
 463     pfd->dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW | PFD_DOUBLEBUFFER;
 464     pfd->iPixelType = PFD_TYPE_RGBA;
 465     pfd->iLayerType = PFD_MAIN_PLANE;
 466
 467     p_eglGetConfigAttrib( display, config, EGL_BUFFER_SIZE, &val );
 468     pfd->cColorBits = val;
 469     p_eglGetConfigAttrib( display, config, EGL_RED_SIZE, &val );
 470     pfd->cRedBits = val;
 471     p_eglGetConfigAttrib( display, config, EGL_GREEN_SIZE, &val );
 472     pfd->cGreenBits = val;
 473     p_eglGetConfigAttrib( display, config, EGL_BLUE_SIZE, &val );
 474     pfd->cBlueBits = val;
 475     p_eglGetConfigAttrib( display, config, EGL_ALPHA_SIZE, &val );
 476     pfd->cAlphaBits = val;
 477     p_eglGetConfigAttrib( display, config, EGL_DEPTH_SIZE, &val );
 478     pfd->cDepthBits = val;
 479     p_eglGetConfigAttrib( display, config, EGL_STENCIL_SIZE, &val );
 480     pfd->cStencilBits = val;
 481
 482     pfd->cAlphaShift = 0;
 483     pfd->cBlueShift = pfd->cAlphaShift + pfd->cAlphaBits;
 484     pfd->cGreenShift = pfd->cBlueShift + pfd->cBlueBits;
 485     pfd->cRedShift = pfd->cGreenShift + pfd->cGreenBits;
 486
 487     TRACE( "fmt %u color %u %u/%u/%u/%u depth %u stencil %u\n",
 488            fmt, pfd->cColorBits, pfd->cRedBits, pfd->cGreenBits, pfd->cBlueBits,
 489            pfd->cAlphaBits, pfd->cDepthBits, pfd->cStencilBits );
 490     return nb_onscreen_formats;
 491 }
 492
 493 /***********************************************************************
 494  *              android_wglGetPixelFormat
 495  */
 496 static int WINAPI android_wglGetPixelFormat( HDC hdc )
 497 {
 498     struct gl_drawable *gl;
 499     int ret = 0;
 500
 501     if ((gl = get_gl_drawable( NtUserWindowFromDC( hdc ), hdc )))
 502     {
 503         ret = gl->format;
 504         /* offscreen formats can't be used with traditional WGL calls */
 505         if (!is_onscreen_pixel_format( ret )) ret = 1;
 506         release_gl_drawable( gl );
 507     }
 508     return ret;
 509 }
 510
 511 /***********************************************************************
 512  *              android_wglGetProcAddress
 513  */
 514 static PROC WINAPI android_wglGetProcAddress( LPCSTR name )
 515 {
 516     PROC ret;
 517     if (!strncmp( name, "wgl", 3 )) return NULL;
 518     ret = (PROC)p_eglGetProcAddress( name );
 519     TRACE( "%s -> %p\n", name, ret );
 520     return ret;
 521 }
 522
 523 /***********************************************************************
 524  *              android_wglMakeCurrent
 525  */
 526 static BOOL WINAPI android_wglMakeCurrent( HDC hdc, struct wgl_context *ctx )
 527 {
 528     BOOL ret = FALSE;
 529     struct gl_drawable *gl;
 530     HWND hwnd;
 531
 532     TRACE( "%p %p\n", hdc, ctx );
 533
 534     if (!ctx)
 535     {
 536         p_eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
 537         NtCurrentTeb()->glContext = NULL;
 538         return TRUE;
 539     }
 540
 541     hwnd = NtUserWindowFromDC( hdc );
 542     if ((gl = get_gl_drawable( hwnd, hdc )))
 543     {
 544         EGLSurface surface = gl->surface ? gl->surface : gl->pbuffer;
 545         TRACE( "%p hwnd %p context %p surface %p\n", hdc, gl->hwnd, ctx->context, surface );
 546         ret = p_eglMakeCurrent( display, surface, surface, ctx->context );
 547         if (ret)
 548         {
 549             ctx->surface = gl->surface;
 550             ctx->hwnd    = hwnd;
 551             ctx->refresh = FALSE;
 552             NtCurrentTeb()->glContext = ctx;
 553             goto done;
 554         }
 555     }
 556     RtlSetLastWin32Error( ERROR_INVALID_HANDLE );
 557
 558 done:
 559     release_gl_drawable( gl );
 560     return ret;
 561 }
 562
 563 /***********************************************************************
 564  *              android_wglSetPixelFormat
 565  */
 566 static BOOL WINAPI android_wglSetPixelFormat( HDC hdc, int format, const PIXELFORMATDESCRIPTOR *pfd )
 567 {
 568     return set_pixel_format( hdc, format, FALSE );
 569 }
 570
 571 /***********************************************************************
 572  *              android_wglShareLists
 573  */
 574 static BOOL WINAPI android_wglShareLists( struct wgl_context *org, struct wgl_context *dest )
 575 {
 576     FIXME( "%p %p\n", org, dest );
 577     return FALSE;
 578 }
 579
 580 /***********************************************************************
 581  *              android_wglSwapBuffers
 582  */
 583 static BOOL WINAPI android_wglSwapBuffers( HDC hdc )
 584 {
 585     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 586
 587     if (!ctx) return FALSE;
 588
 589     TRACE( "%p hwnd %p context %p surface %p\n", hdc, ctx->hwnd, ctx->context, ctx->surface );
 590
 591     if (refresh_context( ctx )) return TRUE;
 592     if (ctx->surface) p_eglSwapBuffers( display, ctx->surface );
 593     return TRUE;
 594 }
 595
 596 static void wglFinish(void)
 597 {
 598     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 599
 600     if (!ctx) return;
 601     TRACE( "hwnd %p context %p\n", ctx->hwnd, ctx->context );
 602     refresh_context( ctx );
 603     pglFinish();
 604 }
 605
 606 static void wglFlush(void)
 607 {
 608     struct wgl_context *ctx = NtCurrentTeb()->glContext;
 609
 610     if (!ctx) return;
 611     TRACE( "hwnd %p context %p\n", ctx->hwnd, ctx->context );
 612     refresh_context( ctx );
 613     pglFlush();
 614 }
 615
 616 static void register_extension( const char *ext )
 617 {
 618     if (wgl_extensions[0]) strcat( wgl_extensions, " " );
 619     strcat( wgl_extensions, ext );
 620     TRACE( "%s\n", ext );
 621 }
 622
 623 static void init_extensions(void)
 624 {
 625     void *ptr;
 626
 627     register_extension("WGL_ARB_create_context");
 628     register_extension("WGL_ARB_create_context_profile");
 629     egl_funcs.ext.p_wglCreateContextAttribsARB = android_wglCreateContextAttribsARB;
 630
 631     register_extension("WGL_ARB_extensions_string");
 632     egl_funcs.ext.p_wglGetExtensionsStringARB = android_wglGetExtensionsStringARB;
 633
 634     register_extension("WGL_ARB_make_current_read");
 635     egl_funcs.ext.p_wglGetCurrentReadDCARB   = (void *)1;  /* never called */
 636     egl_funcs.ext.p_wglMakeContextCurrentARB = android_wglMakeContextCurrentARB;
 637
 638     register_extension("WGL_EXT_extensions_string");
 639     egl_funcs.ext.p_wglGetExtensionsStringEXT = android_wglGetExtensionsStringEXT;
 640
 641     register_extension("WGL_EXT_swap_control");
 642     egl_funcs.ext.p_wglSwapIntervalEXT = android_wglSwapIntervalEXT;
 643     egl_funcs.ext.p_wglGetSwapIntervalEXT = android_wglGetSwapIntervalEXT;
 644
 645     register_extension("WGL_EXT_framebuffer_sRGB");
 646
 647     /* In WineD3D we need the ability to set the pixel format more than once (e.g. after a device reset).
 648      * The default wglSetPixelFormat doesn't allow this, so add our own which allows it.
 649      */
 650     register_extension("WGL_WINE_pixel_format_passthrough");
 651     egl_funcs.ext.p_wglSetPixelFormatWINE = android_wglSetPixelFormatWINE;
 652
 653     /* load standard functions and extensions exported from the OpenGL library */
 654
 655 #define USE_GL_FUNC(func) if ((ptr = dlsym( opengl_handle, #func ))) egl_funcs.gl.p_##func = ptr;
 656     ALL_WGL_FUNCS
 657 #undef USE_GL_FUNC
 658
 659 #define LOAD_FUNCPTR(func) egl_funcs.ext.p_##func = dlsym( opengl_handle, #func )
 660     LOAD_FUNCPTR( glActiveShaderProgram );
 661     LOAD_FUNCPTR( glActiveTexture );
 662     LOAD_FUNCPTR( glAttachShader );
 663     LOAD_FUNCPTR( glBeginQuery );
 664     LOAD_FUNCPTR( glBeginTransformFeedback );
 665     LOAD_FUNCPTR( glBindAttribLocation );
 666     LOAD_FUNCPTR( glBindBuffer );
 667     LOAD_FUNCPTR( glBindBufferBase );
 668     LOAD_FUNCPTR( glBindBufferRange );
 669     LOAD_FUNCPTR( glBindFramebuffer );
 670     LOAD_FUNCPTR( glBindImageTexture );
 671     LOAD_FUNCPTR( glBindProgramPipeline );
 672     LOAD_FUNCPTR( glBindRenderbuffer );
 673     LOAD_FUNCPTR( glBindSampler );
 674     LOAD_FUNCPTR( glBindTransformFeedback );
 675     LOAD_FUNCPTR( glBindVertexArray );
 676     LOAD_FUNCPTR( glBindVertexBuffer );
 677     LOAD_FUNCPTR( glBlendBarrierKHR );
 678     LOAD_FUNCPTR( glBlendColor );
 679     LOAD_FUNCPTR( glBlendEquation );
 680     LOAD_FUNCPTR( glBlendEquationSeparate );
 681     LOAD_FUNCPTR( glBlendFuncSeparate );
 682     LOAD_FUNCPTR( glBlitFramebuffer );
 683     LOAD_FUNCPTR( glBufferData );
 684     LOAD_FUNCPTR( glBufferSubData );
 685     LOAD_FUNCPTR( glCheckFramebufferStatus );
 686     LOAD_FUNCPTR( glClearBufferfi );
 687     LOAD_FUNCPTR( glClearBufferfv );
 688     LOAD_FUNCPTR( glClearBufferiv );
 689     LOAD_FUNCPTR( glClearBufferuiv );
 690     LOAD_FUNCPTR( glClearDepthf );
 691     LOAD_FUNCPTR( glClientWaitSync );
 692     LOAD_FUNCPTR( glCompileShader );
 693     LOAD_FUNCPTR( glCompressedTexImage2D );
 694     LOAD_FUNCPTR( glCompressedTexImage3D );
 695     LOAD_FUNCPTR( glCompressedTexSubImage2D );
 696     LOAD_FUNCPTR( glCompressedTexSubImage3D );
 697     LOAD_FUNCPTR( glCopyBufferSubData );
 698     LOAD_FUNCPTR( glCopyTexSubImage3D );
 699     LOAD_FUNCPTR( glCreateProgram );
 700     LOAD_FUNCPTR( glCreateShader );
 701     LOAD_FUNCPTR( glCreateShaderProgramv );
 702     LOAD_FUNCPTR( glDeleteBuffers );
 703     LOAD_FUNCPTR( glDeleteFramebuffers );
 704     LOAD_FUNCPTR( glDeleteProgram );
 705     LOAD_FUNCPTR( glDeleteProgramPipelines );
 706     LOAD_FUNCPTR( glDeleteQueries );
 707     LOAD_FUNCPTR( glDeleteRenderbuffers );
 708     LOAD_FUNCPTR( glDeleteSamplers );
 709     LOAD_FUNCPTR( glDeleteShader );
 710     LOAD_FUNCPTR( glDeleteSync );
 711     LOAD_FUNCPTR( glDeleteTransformFeedbacks );
 712     LOAD_FUNCPTR( glDeleteVertexArrays );
 713     LOAD_FUNCPTR( glDepthRangef );
 714     LOAD_FUNCPTR( glDetachShader );
 715     LOAD_FUNCPTR( glDisableVertexAttribArray );
 716     LOAD_FUNCPTR( glDispatchCompute );
 717     LOAD_FUNCPTR( glDispatchComputeIndirect );
 718     LOAD_FUNCPTR( glDrawArraysIndirect );
 719     LOAD_FUNCPTR( glDrawArraysInstanced );
 720     LOAD_FUNCPTR( glDrawBuffers );
 721     LOAD_FUNCPTR( glDrawElementsIndirect );
 722     LOAD_FUNCPTR( glDrawElementsInstanced );
 723     LOAD_FUNCPTR( glDrawRangeElements );
 724     LOAD_FUNCPTR( glEnableVertexAttribArray );
 725     LOAD_FUNCPTR( glEndQuery );
 726     LOAD_FUNCPTR( glEndTransformFeedback );
 727     LOAD_FUNCPTR( glFenceSync );
 728     LOAD_FUNCPTR( glFlushMappedBufferRange );
 729     LOAD_FUNCPTR( glFramebufferParameteri );
 730     LOAD_FUNCPTR( glFramebufferRenderbuffer );
 731     LOAD_FUNCPTR( glFramebufferTexture2D );
 732     LOAD_FUNCPTR( glFramebufferTextureEXT );
 733     LOAD_FUNCPTR( glFramebufferTextureLayer );
 734     LOAD_FUNCPTR( glGenBuffers );
 735     LOAD_FUNCPTR( glGenFramebuffers );
 736     LOAD_FUNCPTR( glGenProgramPipelines );
 737     LOAD_FUNCPTR( glGenQueries );
 738     LOAD_FUNCPTR( glGenRenderbuffers );
 739     LOAD_FUNCPTR( glGenSamplers );
 740     LOAD_FUNCPTR( glGenTransformFeedbacks );
 741     LOAD_FUNCPTR( glGenVertexArrays );
 742     LOAD_FUNCPTR( glGenerateMipmap );
 743     LOAD_FUNCPTR( glGetActiveAttrib );
 744     LOAD_FUNCPTR( glGetActiveUniform );
 745     LOAD_FUNCPTR( glGetActiveUniformBlockName );
 746     LOAD_FUNCPTR( glGetActiveUniformBlockiv );
 747     LOAD_FUNCPTR( glGetActiveUniformsiv );
 748     LOAD_FUNCPTR( glGetAttachedShaders );
 749     LOAD_FUNCPTR( glGetAttribLocation );
 750     LOAD_FUNCPTR( glGetBooleani_v );
 751     LOAD_FUNCPTR( glGetBufferParameteri64v );
 752     LOAD_FUNCPTR( glGetBufferParameteriv );
 753     LOAD_FUNCPTR( glGetBufferPointerv );
 754     LOAD_FUNCPTR( glGetFragDataLocation );
 755     LOAD_FUNCPTR( glGetFramebufferAttachmentParameteriv );
 756     LOAD_FUNCPTR( glGetFramebufferParameteriv );
 757     LOAD_FUNCPTR( glGetInteger64i_v );
 758     LOAD_FUNCPTR( glGetInteger64v );
 759     LOAD_FUNCPTR( glGetIntegeri_v );
 760     LOAD_FUNCPTR( glGetInternalformativ );
 761     LOAD_FUNCPTR( glGetMultisamplefv );
 762     LOAD_FUNCPTR( glGetProgramBinary );
 763     LOAD_FUNCPTR( glGetProgramInfoLog );
 764     LOAD_FUNCPTR( glGetProgramInterfaceiv );
 765     LOAD_FUNCPTR( glGetProgramPipelineInfoLog );
 766     LOAD_FUNCPTR( glGetProgramPipelineiv );
 767     LOAD_FUNCPTR( glGetProgramResourceIndex );
 768     LOAD_FUNCPTR( glGetProgramResourceLocation );
 769     LOAD_FUNCPTR( glGetProgramResourceName );
 770     LOAD_FUNCPTR( glGetProgramResourceiv );
 771     LOAD_FUNCPTR( glGetProgramiv );
 772     LOAD_FUNCPTR( glGetQueryObjectuiv );
 773     LOAD_FUNCPTR( glGetQueryiv );
 774     LOAD_FUNCPTR( glGetRenderbufferParameteriv );
 775     LOAD_FUNCPTR( glGetSamplerParameterfv );
 776     LOAD_FUNCPTR( glGetSamplerParameteriv );
 777     LOAD_FUNCPTR( glGetShaderInfoLog );
 778     LOAD_FUNCPTR( glGetShaderPrecisionFormat );
 779     LOAD_FUNCPTR( glGetShaderSource );
 780     LOAD_FUNCPTR( glGetShaderiv );
 781     LOAD_FUNCPTR( glGetStringi );
 782     LOAD_FUNCPTR( glGetSynciv );
 783     LOAD_FUNCPTR( glGetTexParameterIivEXT );
 784     LOAD_FUNCPTR( glGetTexParameterIuivEXT );
 785     LOAD_FUNCPTR( glGetTransformFeedbackVarying );
 786     LOAD_FUNCPTR( glGetUniformBlockIndex );
 787     LOAD_FUNCPTR( glGetUniformIndices );
 788     LOAD_FUNCPTR( glGetUniformLocation );
 789     LOAD_FUNCPTR( glGetUniformfv );
 790     LOAD_FUNCPTR( glGetUniformiv );
 791     LOAD_FUNCPTR( glGetUniformuiv );
 792     LOAD_FUNCPTR( glGetVertexAttribIiv );
 793     LOAD_FUNCPTR( glGetVertexAttribIuiv );
 794     LOAD_FUNCPTR( glGetVertexAttribPointerv );
 795     LOAD_FUNCPTR( glGetVertexAttribfv );
 796     LOAD_FUNCPTR( glGetVertexAttribiv );
 797     LOAD_FUNCPTR( glInvalidateFramebuffer );
 798     LOAD_FUNCPTR( glInvalidateSubFramebuffer );
 799     LOAD_FUNCPTR( glIsBuffer );
 800     LOAD_FUNCPTR( glIsFramebuffer );
 801     LOAD_FUNCPTR( glIsProgram );
 802     LOAD_FUNCPTR( glIsProgramPipeline );
 803     LOAD_FUNCPTR( glIsQuery );
 804     LOAD_FUNCPTR( glIsRenderbuffer );
 805     LOAD_FUNCPTR( glIsSampler );
 806     LOAD_FUNCPTR( glIsShader );
 807     LOAD_FUNCPTR( glIsSync );
 808     LOAD_FUNCPTR( glIsTransformFeedback );
 809     LOAD_FUNCPTR( glIsVertexArray );
 810     LOAD_FUNCPTR( glLinkProgram );
 811     LOAD_FUNCPTR( glMapBufferRange );
 812     LOAD_FUNCPTR( glMemoryBarrier );
 813     LOAD_FUNCPTR( glMemoryBarrierByRegion );
 814     LOAD_FUNCPTR( glPauseTransformFeedback );
 815     LOAD_FUNCPTR( glProgramBinary );
 816     LOAD_FUNCPTR( glProgramParameteri );
 817     LOAD_FUNCPTR( glProgramUniform1f );
 818     LOAD_FUNCPTR( glProgramUniform1fv );
 819     LOAD_FUNCPTR( glProgramUniform1i );
 820     LOAD_FUNCPTR( glProgramUniform1iv );
 821     LOAD_FUNCPTR( glProgramUniform1ui );
 822     LOAD_FUNCPTR( glProgramUniform1uiv );
 823     LOAD_FUNCPTR( glProgramUniform2f );
 824     LOAD_FUNCPTR( glProgramUniform2fv );
 825     LOAD_FUNCPTR( glProgramUniform2i );
 826     LOAD_FUNCPTR( glProgramUniform2iv );
 827     LOAD_FUNCPTR( glProgramUniform2ui );
 828     LOAD_FUNCPTR( glProgramUniform2uiv );
 829     LOAD_FUNCPTR( glProgramUniform3f );
 830     LOAD_FUNCPTR( glProgramUniform3fv );
 831     LOAD_FUNCPTR( glProgramUniform3i );
 832     LOAD_FUNCPTR( glProgramUniform3iv );
 833     LOAD_FUNCPTR( glProgramUniform3ui );
 834     LOAD_FUNCPTR( glProgramUniform3uiv );
 835     LOAD_FUNCPTR( glProgramUniform4f );
 836     LOAD_FUNCPTR( glProgramUniform4fv );
 837     LOAD_FUNCPTR( glProgramUniform4i );
 838     LOAD_FUNCPTR( glProgramUniform4iv );
 839     LOAD_FUNCPTR( glProgramUniform4ui );
 840     LOAD_FUNCPTR( glProgramUniform4uiv );
 841     LOAD_FUNCPTR( glProgramUniformMatrix2fv );
 842     LOAD_FUNCPTR( glProgramUniformMatrix2x3fv );
 843     LOAD_FUNCPTR( glProgramUniformMatrix2x4fv );
 844     LOAD_FUNCPTR( glProgramUniformMatrix3fv );
 845     LOAD_FUNCPTR( glProgramUniformMatrix3x2fv );
 846     LOAD_FUNCPTR( glProgramUniformMatrix3x4fv );
 847     LOAD_FUNCPTR( glProgramUniformMatrix4fv );
 848     LOAD_FUNCPTR( glProgramUniformMatrix4x2fv );
 849     LOAD_FUNCPTR( glProgramUniformMatrix4x3fv );
 850     LOAD_FUNCPTR( glReleaseShaderCompiler );
 851     LOAD_FUNCPTR( glRenderbufferStorage );
 852     LOAD_FUNCPTR( glRenderbufferStorageMultisample );
 853     LOAD_FUNCPTR( glResumeTransformFeedback );
 854     LOAD_FUNCPTR( glSampleCoverage );
 855     LOAD_FUNCPTR( glSampleMaski );
 856     LOAD_FUNCPTR( glSamplerParameterf );
 857     LOAD_FUNCPTR( glSamplerParameterfv );
 858     LOAD_FUNCPTR( glSamplerParameteri );
 859     LOAD_FUNCPTR( glSamplerParameteriv );
 860     LOAD_FUNCPTR( glShaderBinary );
 861     LOAD_FUNCPTR( glShaderSource );
 862     LOAD_FUNCPTR( glStencilFuncSeparate );
 863     LOAD_FUNCPTR( glStencilMaskSeparate );
 864     LOAD_FUNCPTR( glStencilOpSeparate );
 865     LOAD_FUNCPTR( glTexBufferEXT );
 866     LOAD_FUNCPTR( glTexImage3D );
 867     LOAD_FUNCPTR( glTexParameterIivEXT );
 868     LOAD_FUNCPTR( glTexParameterIuivEXT );
 869     LOAD_FUNCPTR( glTexStorage2D );
 870     LOAD_FUNCPTR( glTexStorage2DMultisample );
 871     LOAD_FUNCPTR( glTexStorage3D );
 872     LOAD_FUNCPTR( glTexSubImage3D );
 873     LOAD_FUNCPTR( glTransformFeedbackVaryings );
 874     LOAD_FUNCPTR( glUniform1f );
 875     LOAD_FUNCPTR( glUniform1fv );
 876     LOAD_FUNCPTR( glUniform1i );
 877     LOAD_FUNCPTR( glUniform1iv );
 878     LOAD_FUNCPTR( glUniform1ui );
 879     LOAD_FUNCPTR( glUniform1uiv );
 880     LOAD_FUNCPTR( glUniform2f );
 881     LOAD_FUNCPTR( glUniform2fv );
 882     LOAD_FUNCPTR( glUniform2i );
 883     LOAD_FUNCPTR( glUniform2iv );
 884     LOAD_FUNCPTR( glUniform2ui );
 885     LOAD_FUNCPTR( glUniform2uiv );
 886     LOAD_FUNCPTR( glUniform3f );
 887     LOAD_FUNCPTR( glUniform3fv );
 888     LOAD_FUNCPTR( glUniform3i );
 889     LOAD_FUNCPTR( glUniform3iv );
 890     LOAD_FUNCPTR( glUniform3ui );
 891     LOAD_FUNCPTR( glUniform3uiv );
 892     LOAD_FUNCPTR( glUniform4f );
 893     LOAD_FUNCPTR( glUniform4fv );
 894     LOAD_FUNCPTR( glUniform4i );
 895     LOAD_FUNCPTR( glUniform4iv );
 896     LOAD_FUNCPTR( glUniform4ui );
 897     LOAD_FUNCPTR( glUniform4uiv );
 898     LOAD_FUNCPTR( glUniformBlockBinding );
 899     LOAD_FUNCPTR( glUniformMatrix2fv );
 900     LOAD_FUNCPTR( glUniformMatrix2x3fv );
 901     LOAD_FUNCPTR( glUniformMatrix2x4fv );
 902     LOAD_FUNCPTR( glUniformMatrix3fv );
 903     LOAD_FUNCPTR( glUniformMatrix3x2fv );
 904     LOAD_FUNCPTR( glUniformMatrix3x4fv );
 905     LOAD_FUNCPTR( glUniformMatrix4fv );
 906     LOAD_FUNCPTR( glUniformMatrix4x2fv );
 907     LOAD_FUNCPTR( glUniformMatrix4x3fv );
 908     LOAD_FUNCPTR( glUnmapBuffer );
 909     LOAD_FUNCPTR( glUseProgram );
 910     LOAD_FUNCPTR( glUseProgramStages );
 911     LOAD_FUNCPTR( glValidateProgram );
 912     LOAD_FUNCPTR( glValidateProgramPipeline );
 913     LOAD_FUNCPTR( glVertexAttrib1f );
 914     LOAD_FUNCPTR( glVertexAttrib1fv );
 915     LOAD_FUNCPTR( glVertexAttrib2f );
 916     LOAD_FUNCPTR( glVertexAttrib2fv );
 917     LOAD_FUNCPTR( glVertexAttrib3f );
 918     LOAD_FUNCPTR( glVertexAttrib3fv );
 919     LOAD_FUNCPTR( glVertexAttrib4f );
 920     LOAD_FUNCPTR( glVertexAttrib4fv );
 921     LOAD_FUNCPTR( glVertexAttribBinding );
 922     LOAD_FUNCPTR( glVertexAttribDivisor );
 923     LOAD_FUNCPTR( glVertexAttribFormat );
 924     LOAD_FUNCPTR( glVertexAttribI4i );
 925     LOAD_FUNCPTR( glVertexAttribI4iv );
 926     LOAD_FUNCPTR( glVertexAttribI4ui );
 927     LOAD_FUNCPTR( glVertexAttribI4uiv );
 928     LOAD_FUNCPTR( glVertexAttribIFormat );
 929     LOAD_FUNCPTR( glVertexAttribIPointer );
 930     LOAD_FUNCPTR( glVertexAttribPointer );
 931     LOAD_FUNCPTR( glVertexBindingDivisor );
 932     LOAD_FUNCPTR( glWaitSync );
 933 #undef LOAD_FUNCPTR
 934
 935     /* redirect some standard OpenGL functions */
 936
 937 #define REDIRECT(func) \
 938     do { p##func = egl_funcs.gl.p_##func; egl_funcs.gl.p_##func = w##func; } while(0)
 939     REDIRECT(glFinish);
 940     REDIRECT(glFlush);
 941 #undef REDIRECT
 942 }
 943
 944 static BOOL egl_init(void)
 945 {
 946     static int retval = -1;
 947     EGLConfig *configs;
 948     EGLint major, minor, count, i, pass;
 949
 950     if (retval != -1) return retval;
 951     retval = 0;
 952
 953     if (!(egl_handle = dlopen( SONAME_LIBEGL, RTLD_NOW|RTLD_GLOBAL )))
 954     {
 955         ERR( "failed to load %s: %s\n", SONAME_LIBEGL, dlerror() );
 956         return FALSE;
 957     }
 958     if (!(opengl_handle = dlopen( SONAME_LIBGLESV2, RTLD_NOW|RTLD_GLOBAL )))
 959     {
 960         ERR( "failed to load %s: %s\n", SONAME_LIBGLESV2, dlerror() );
 961         return FALSE;
 962     }
 963
 964 #define LOAD_FUNCPTR(func) do { \
 965         if (!(p_##func = dlsym( egl_handle, #func ))) \
 966         { ERR( "can't find symbol %s\n", #func); return FALSE; }    \
 967     } while(0)
 968     LOAD_FUNCPTR( eglCreateContext );
 969     LOAD_FUNCPTR( eglCreateWindowSurface );
 970     LOAD_FUNCPTR( eglCreatePbufferSurface );
 971     LOAD_FUNCPTR( eglDestroyContext );
 972     LOAD_FUNCPTR( eglDestroySurface );
 973     LOAD_FUNCPTR( eglGetConfigAttrib );
 974     LOAD_FUNCPTR( eglGetConfigs );
 975     LOAD_FUNCPTR( eglGetDisplay );
 976     LOAD_FUNCPTR( eglGetProcAddress );
 977     LOAD_FUNCPTR( eglInitialize );
 978     LOAD_FUNCPTR( eglMakeCurrent );
 979     LOAD_FUNCPTR( eglSwapBuffers );
 980     LOAD_FUNCPTR( eglSwapInterval );
 981 #undef LOAD_FUNCPTR
 982
 983     display = p_eglGetDisplay( EGL_DEFAULT_DISPLAY );
 984     if (!p_eglInitialize( display, &major, &minor )) return 0;
 985     TRACE( "display %p version %u.%u\n", display, major, minor );
 986
 987     p_eglGetConfigs( display, NULL, 0, &count );
 988     configs = malloc( count * sizeof(*configs) );
 989     pixel_formats = malloc( count * sizeof(*pixel_formats) );
 990     p_eglGetConfigs( display, configs, count, &count );
 991     if (!count || !configs || !pixel_formats)
 992     {
 993         free( configs );
 994         free( pixel_formats );
 995         ERR( "eglGetConfigs returned no configs\n" );
 996         return 0;
 997     }
 998
 999     for (pass = 0; pass < 2; pass++)
1000     {
1001         for (i = 0; i < count; i++)
1002         {
1003             EGLint id, type, visual_id, native, render, color, r, g, b, d, s;
1004
1005             p_eglGetConfigAttrib( display, configs[i], EGL_SURFACE_TYPE, &type );
1006             if (!(type & EGL_WINDOW_BIT) == !pass) continue;
1007             p_eglGetConfigAttrib( display, configs[i], EGL_RENDERABLE_TYPE, &render );
1008             if (egl_client_version == 2 && !(render & EGL_OPENGL_ES2_BIT)) continue;
1009
1010             pixel_formats[nb_pixel_formats++].config = configs[i];
1011
1012             p_eglGetConfigAttrib( display, configs[i], EGL_CONFIG_ID, &id );
1013             p_eglGetConfigAttrib( display, configs[i], EGL_NATIVE_VISUAL_ID, &visual_id );
1014             p_eglGetConfigAttrib( display, configs[i], EGL_NATIVE_RENDERABLE, &native );
1015             p_eglGetConfigAttrib( display, configs[i], EGL_COLOR_BUFFER_TYPE, &color );
1016             p_eglGetConfigAttrib( display, configs[i], EGL_RED_SIZE, &r );
1017             p_eglGetConfigAttrib( display, configs[i], EGL_GREEN_SIZE, &g );
1018             p_eglGetConfigAttrib( display, configs[i], EGL_BLUE_SIZE, &b );
1019             p_eglGetConfigAttrib( display, configs[i], EGL_DEPTH_SIZE, &d );
1020             p_eglGetConfigAttrib( display, configs[i], EGL_STENCIL_SIZE, &s );
1021             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",
1022                    nb_pixel_formats, i, id, type, visual_id, native, render, color, r, g, b, d, s );
1023         }
1024         if (!pass) nb_onscreen_formats = nb_pixel_formats;
1025     }
1026
1027     init_extensions();
1028     retval = 1;
1029     return TRUE;
1030 }
1031
1032
1033 /* generate stubs for GL functions that are not exported on Android */
1034
1035 #define USE_GL_FUNC(name) \
1036 static void glstub_##name(void) \
1037 { \
1038     ERR( #name " called\n" ); \
1039     assert( 0 ); \
1040     ExitProcess( 1 ); \
1041 }
1042
1043 ALL_WGL_FUNCS
1044 #undef USE_GL_FUNC
1045
1046 static struct opengl_funcs egl_funcs =
1047 {
1048     {
1049         android_wglCopyContext,
1050         android_wglCreateContext,
1051         android_wglDeleteContext,
1052         android_wglDescribePixelFormat,
1053         android_wglGetPixelFormat,
1054         android_wglGetProcAddress,
1055         android_wglMakeCurrent,
1056         android_wglSetPixelFormat,
1057         android_wglShareLists,
1058         android_wglSwapBuffers,
1059     },
1060 #define USE_GL_FUNC(name) (void *)glstub_##name,
1061     { ALL_WGL_FUNCS }
1062 #undef USE_GL_FUNC
1063 };
1064
1065 struct opengl_funcs *get_wgl_driver( UINT version )
1066 {
1067     if (version != WINE_WGL_DRIVER_VERSION)
1068     {
1069         ERR( "version mismatch, opengl32 wants %u but driver has %u\n", version, WINE_WGL_DRIVER_VERSION );
1070         return NULL;
1071     }
1072     if (!egl_init()) return NULL;
1073     return &egl_funcs;
1074 }