2 * Some tests for OpenGL functions
4 * Copyright (C) 2007-2008 Roderick Colenbrander
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/test.h"
25 void WINAPI glClearColor(float red, float green, float blue, float alpha);
26 void WINAPI glClear(unsigned int mask);
27 void WINAPI glFinish(void);
28 #define GL_COLOR_BUFFER_BIT 0x00004000
29 const unsigned char * WINAPI glGetString(unsigned int);
30 #define GL_VENDOR 0x1F00
31 #define GL_RENDERER 0x1F01
32 #define GL_VERSION 0x1F02
34 #define MAX_FORMATS 256
35 typedef void* HPBUFFERARB;
37 /* WGL_ARB_create_context */
38 static HGLRC (WINAPI *pwglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext, const int *attribList);
40 #define ERROR_INVALID_VERSION_ARB 0x2095
41 #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
42 #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
43 #define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
44 #define WGL_CONTEXT_FLAGS_ARB 0x2094
45 /* Flags for WGL_CONTEXT_FLAGS_ARB */
46 #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
47 #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
49 /* WGL_ARB_extensions_string */
50 static const char* (WINAPI *pwglGetExtensionsStringARB)(HDC);
51 static int (WINAPI *pwglReleasePbufferDCARB)(HPBUFFERARB, HDC);
53 /* WGL_ARB_make_current_read */
54 static BOOL (WINAPI *pwglMakeContextCurrentARB)(HDC hdraw, HDC hread, HGLRC hglrc);
55 static HDC (WINAPI *pwglGetCurrentReadDCARB)(void);
57 /* WGL_ARB_pixel_format */
58 #define WGL_ACCELERATION_ARB 0x2003
59 #define WGL_COLOR_BITS_ARB 0x2014
60 #define WGL_RED_BITS_ARB 0x2015
61 #define WGL_GREEN_BITS_ARB 0x2017
62 #define WGL_BLUE_BITS_ARB 0x2019
63 #define WGL_ALPHA_BITS_ARB 0x201B
64 #define WGL_SUPPORT_GDI_ARB 0x200F
65 #define WGL_DOUBLE_BUFFER_ARB 0x2011
66 #define WGL_NO_ACCELERATION_ARB 0x2025
67 #define WGL_GENERIC_ACCELERATION_ARB 0x2026
68 #define WGL_FULL_ACCELERATION_ARB 0x2027
70 static BOOL (WINAPI *pwglChoosePixelFormatARB)(HDC, const int *, const FLOAT *, UINT, int *, UINT *);
71 static BOOL (WINAPI *pwglGetPixelFormatAttribivARB)(HDC, int, int, UINT, const int *, int *);
74 #define WGL_DRAW_TO_PBUFFER_ARB 0x202D
75 static HPBUFFERARB* (WINAPI *pwglCreatePbufferARB)(HDC, int, int, int, const int *);
76 static HDC (WINAPI *pwglGetPbufferDCARB)(HPBUFFERARB);
78 static const char* wgl_extensions = NULL;
80 static void init_functions(void)
82 #define GET_PROC(func) \
83 p ## func = (void*)wglGetProcAddress(#func); \
85 trace("wglGetProcAddress(%s) failed\n", #func);
87 /* WGL_ARB_create_context */
88 GET_PROC(wglCreateContextAttribsARB);
90 /* WGL_ARB_extensions_string */
91 GET_PROC(wglGetExtensionsStringARB)
93 /* WGL_ARB_make_current_read */
94 GET_PROC(wglMakeContextCurrentARB);
95 GET_PROC(wglGetCurrentReadDCARB);
97 /* WGL_ARB_pixel_format */
98 GET_PROC(wglChoosePixelFormatARB)
99 GET_PROC(wglGetPixelFormatAttribivARB)
101 /* WGL_ARB_pbuffer */
102 GET_PROC(wglCreatePbufferARB)
103 GET_PROC(wglGetPbufferDCARB)
104 GET_PROC(wglReleasePbufferDCARB)
109 static void test_pbuffers(HDC hdc)
111 const int iAttribList[] = { WGL_DRAW_TO_PBUFFER_ARB, 1, /* Request pbuffer support */
113 int iFormats[MAX_FORMATS];
114 unsigned int nOnscreenFormats;
115 unsigned int nFormats;
117 int iPixelFormat = 0;
119 nOnscreenFormats = DescribePixelFormat(hdc, 0, 0, NULL);
121 /* When you want to render to a pbuffer you need to call wglGetPbufferDCARB which
122 * returns a 'magic' HDC which you can then pass to wglMakeCurrent to switch rendering
123 * to the pbuffer. Below some tests are performed on what happens if you use standard WGL calls
124 * on this 'magic' HDC for both a pixelformat that support onscreen and offscreen rendering
125 * and a pixelformat that's only available for offscreen rendering (this means that only
126 * wglChoosePixelFormatARB and friends know about the format.
128 * The first thing we need are pixelformats with pbuffer capabilities.
130 res = pwglChoosePixelFormatARB(hdc, iAttribList, NULL, MAX_FORMATS, iFormats, &nFormats);
133 skip("No pbuffer compatible formats found while WGL_ARB_pbuffer is supported\n");
136 trace("nOnscreenFormats: %d\n", nOnscreenFormats);
137 trace("Total number of pbuffer capable pixelformats: %d\n", nFormats);
139 /* Try to select an onscreen pixelformat out of the list */
140 for(i=0; i < nFormats; i++)
142 /* Check if the format is onscreen, if it is choose it */
143 if(iFormats[i] <= nOnscreenFormats)
145 iPixelFormat = iFormats[i];
146 trace("Selected iPixelFormat=%d\n", iPixelFormat);
151 /* A video driver supports a large number of onscreen and offscreen pixelformats.
152 * The traditional WGL calls only see a subset of the whole pixelformat list. First
153 * of all they only see the onscreen formats (the offscreen formats are at the end of the
154 * pixelformat list) and second extended pixelformat capabilities are hidden from the
155 * standard WGL calls. Only functions that depend on WGL_ARB_pixel_format can see them.
157 * Below we check if the pixelformat is also supported onscreen.
159 if(iPixelFormat != 0)
162 HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, NULL);
164 skip("Pbuffer creation failed!\n");
166 /* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */
167 pbuffer_hdc = pwglGetPbufferDCARB(pbuffer);
168 res = GetPixelFormat(pbuffer_hdc);
169 ok(res == iPixelFormat, "Unexpected iPixelFormat=%d returned by GetPixelFormat for format %d\n", res, iPixelFormat);
170 trace("iPixelFormat returned by GetPixelFormat: %d\n", res);
171 trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat);
173 pwglReleasePbufferDCARB(pbuffer, hdc);
175 else skip("Pbuffer test for onscreen pixelformat skipped as no onscreen format with pbuffer capabilities have been found\n");
177 /* Search for a real offscreen format */
178 for(i=0, iPixelFormat=0; i<nFormats; i++)
180 if(iFormats[i] > nOnscreenFormats)
182 iPixelFormat = iFormats[i];
183 trace("Selected iPixelFormat: %d\n", iPixelFormat);
188 if(iPixelFormat != 0)
191 HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, NULL);
193 skip("Pbuffer creation failed!\n");
195 /* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */
196 pbuffer_hdc = pwglGetPbufferDCARB(pbuffer);
197 res = GetPixelFormat(pbuffer_hdc);
199 ok(res == 1, "Unexpected iPixelFormat=%d (1 expected) returned by GetPixelFormat for offscreen format %d\n", res, iPixelFormat);
200 trace("iPixelFormat returned by GetPixelFormat: %d\n", res);
201 trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat);
202 pwglReleasePbufferDCARB(pbuffer, hdc);
204 else skip("Pbuffer test for offscreen pixelformat skipped as no offscreen-only format with pbuffer capabilities has been found\n");
207 static void test_setpixelformat(HDC winhdc)
214 PIXELFORMATDESCRIPTOR pfd = {
215 sizeof(PIXELFORMATDESCRIPTOR),
221 24, /* 24-bit color depth */
222 0, 0, 0, 0, 0, 0, /* color bits */
223 0, /* alpha buffer */
225 0, /* accumulation buffer */
226 0, 0, 0, 0, /* accum bits */
228 0, /* stencil buffer */
229 0, /* auxiliary buffer */
230 PFD_MAIN_PLANE, /* main layer */
232 0, 0, 0 /* layer masks */
236 ok(hdc != 0, "GetDC(0) failed!\n");
238 /* This should pass even on the main device context */
239 pf = ChoosePixelFormat(hdc, &pfd);
240 ok(pf != 0, "ChoosePixelFormat failed on main device context\n");
242 /* SetPixelFormat on the main device context 'X root window' should fail,
243 * but some broken drivers allow it
245 res = SetPixelFormat(hdc, pf, &pfd);
246 trace("SetPixelFormat on main device context %s\n", res ? "succeeded" : "failed");
248 /* Setting the same format that was set on the HDC is allowed; other
250 nCfgs = DescribePixelFormat(winhdc, 0, 0, NULL);
251 pf = GetPixelFormat(winhdc);
252 for(i = 1;i <= nCfgs;i++)
254 int res = SetPixelFormat(winhdc, i, NULL);
255 if(i == pf) ok(res, "Failed to set the same pixel format\n");
256 else ok(!res, "Unexpectedly set an alternate pixel format\n");
259 hwnd = CreateWindow("static", "Title", WS_OVERLAPPEDWINDOW,
260 10, 10, 200, 200, NULL, NULL, NULL, NULL);
261 ok(hwnd != NULL, "err: %d\n", GetLastError());
264 HDC hdc = GetDC( hwnd );
265 pf = ChoosePixelFormat( hdc, &pfd );
266 ok( pf != 0, "ChoosePixelFormat failed\n" );
267 res = SetPixelFormat( hdc, pf, &pfd );
268 ok( res != 0, "SetPixelFormat failed\n" );
269 i = GetPixelFormat( hdc );
270 ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf );
271 ReleaseDC( hwnd, hdc );
272 hdc = GetWindowDC( hwnd );
273 i = GetPixelFormat( hdc );
274 ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf );
275 ReleaseDC( hwnd, hdc );
276 DestroyWindow( hwnd );
279 hwnd = CreateWindow("static", "Title", WS_OVERLAPPEDWINDOW,
280 10, 10, 200, 200, NULL, NULL, NULL, NULL);
281 ok(hwnd != NULL, "err: %d\n", GetLastError());
284 HDC hdc = GetWindowDC( hwnd );
285 pf = ChoosePixelFormat( hdc, &pfd );
286 ok( pf != 0, "ChoosePixelFormat failed\n" );
287 res = SetPixelFormat( hdc, pf, &pfd );
288 ok( res != 0, "SetPixelFormat failed\n" );
289 i = GetPixelFormat( hdc );
290 ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf );
291 ReleaseDC( hwnd, hdc );
292 DestroyWindow( hwnd );
296 static void test_sharelists(HDC winhdc)
298 HGLRC hglrc1, hglrc2, hglrc3;
301 hglrc1 = wglCreateContext(winhdc);
302 res = wglShareLists(0, 0);
303 ok(res == FALSE, "Sharing display lists for no contexts passed!\n");
305 /* Test 1: Create a context and just share lists without doing anything special */
306 hglrc2 = wglCreateContext(winhdc);
309 res = wglShareLists(hglrc1, hglrc2);
310 ok(res, "Sharing of display lists failed\n");
311 wglDeleteContext(hglrc2);
314 /* Test 2: Share display lists with a 'destination' context which has been made current */
315 hglrc2 = wglCreateContext(winhdc);
318 res = wglMakeCurrent(winhdc, hglrc2);
319 ok(res, "Make current failed\n");
320 res = wglShareLists(hglrc1, hglrc2);
321 todo_wine ok(res, "Sharing display lists with a destination context which has been made current failed\n");
322 wglMakeCurrent(0, 0);
323 wglDeleteContext(hglrc2);
326 /* Test 3: Share display lists with a context which already shares display lists with another context.
327 * According to MSDN the second parameter cannot share any display lists but some buggy drivers might allow it */
328 hglrc3 = wglCreateContext(winhdc);
331 res = wglShareLists(hglrc3, hglrc1);
332 ok(res == FALSE, "Sharing of display lists passed for a context which already shared lists before\n");
333 wglDeleteContext(hglrc3);
336 /* Test 4: Share display lists with a 'source' context which has been made current */
337 hglrc2 = wglCreateContext(winhdc);
340 res = wglMakeCurrent(winhdc, hglrc1);
341 ok(res, "Make current failed\n");
342 res = wglShareLists(hglrc1, hglrc2);
343 ok(res, "Sharing display lists with a source context which has been made current failed\n");
344 wglMakeCurrent(0, 0);
345 wglDeleteContext(hglrc2);
349 static void test_makecurrent(HDC winhdc)
355 hglrc = wglCreateContext(winhdc);
356 ok( hglrc != 0, "wglCreateContext failed\n" );
358 ret = wglMakeCurrent( winhdc, hglrc );
359 ok( ret, "wglMakeCurrent failed\n" );
361 ok( wglGetCurrentContext() == hglrc, "wrong context\n" );
363 /* set the same context again */
364 ret = wglMakeCurrent( winhdc, hglrc );
365 ok( ret, "wglMakeCurrent failed\n" );
367 /* check wglMakeCurrent(x, y) after another call to wglMakeCurrent(x, y) */
368 ret = wglMakeCurrent( winhdc, NULL );
369 ok( ret, "wglMakeCurrent failed\n" );
371 ret = wglMakeCurrent( winhdc, NULL );
372 ok( ret, "wglMakeCurrent failed\n" );
374 SetLastError( 0xdeadbeef );
375 ret = wglMakeCurrent( NULL, NULL );
376 ok( !ret, "wglMakeCurrent succeeded\n" );
377 error = GetLastError();
378 ok( error == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", error);
380 ret = wglMakeCurrent( winhdc, NULL );
381 ok( ret, "wglMakeCurrent failed\n" );
383 ret = wglMakeCurrent( winhdc, hglrc );
384 ok( ret, "wglMakeCurrent failed\n" );
386 ret = wglMakeCurrent( NULL, NULL );
387 ok( ret, "wglMakeCurrent failed\n" );
389 SetLastError( 0xdeadbeef );
390 ret = wglMakeCurrent( NULL, NULL );
391 ok( !ret, "wglMakeCurrent succeeded\n" );
392 error = GetLastError();
393 ok( error == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", error);
395 ret = wglMakeCurrent( winhdc, hglrc );
396 ok( ret, "wglMakeCurrent failed\n" );
399 static void test_colorbits(HDC hdc)
401 const int iAttribList[] = { WGL_COLOR_BITS_ARB, WGL_RED_BITS_ARB, WGL_GREEN_BITS_ARB,
402 WGL_BLUE_BITS_ARB, WGL_ALPHA_BITS_ARB };
403 int iAttribRet[sizeof(iAttribList)/sizeof(iAttribList[0])];
404 const int iAttribs[] = { WGL_ALPHA_BITS_ARB, 1, 0 };
405 unsigned int nFormats;
407 int iPixelFormat = 0;
409 if (!pwglChoosePixelFormatARB)
411 win_skip("wglChoosePixelFormatARB is not available\n");
415 /* We need a pixel format with at least one bit of alpha */
416 res = pwglChoosePixelFormatARB(hdc, iAttribs, NULL, 1, &iPixelFormat, &nFormats);
417 if(res == FALSE || nFormats == 0)
419 skip("No suitable pixel formats found\n");
423 res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0,
424 sizeof(iAttribList)/sizeof(iAttribList[0]), iAttribList, iAttribRet);
427 skip("wglGetPixelFormatAttribivARB failed\n");
430 iAttribRet[1] += iAttribRet[2]+iAttribRet[3]+iAttribRet[4];
431 ok(iAttribRet[0] == iAttribRet[1], "WGL_COLOR_BITS_ARB (%d) does not equal R+G+B+A (%d)!\n",
432 iAttribRet[0], iAttribRet[1]);
435 static void test_gdi_dbuf(HDC hdc)
437 const int iAttribList[] = { WGL_SUPPORT_GDI_ARB, WGL_DOUBLE_BUFFER_ARB };
438 int iAttribRet[sizeof(iAttribList)/sizeof(iAttribList[0])];
439 unsigned int nFormats;
443 if (!pwglGetPixelFormatAttribivARB)
445 win_skip("wglGetPixelFormatAttribivARB is not available\n");
449 nFormats = DescribePixelFormat(hdc, 0, 0, NULL);
450 for(iPixelFormat = 1;iPixelFormat <= nFormats;iPixelFormat++)
452 res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0,
453 sizeof(iAttribList)/sizeof(iAttribList[0]), iAttribList,
455 ok(res!=FALSE, "wglGetPixelFormatAttribivARB failed for pixel format %d\n", iPixelFormat);
459 ok(!(iAttribRet[0] && iAttribRet[1]), "GDI support and double buffering on pixel format %d\n", iPixelFormat);
463 static void test_acceleration(HDC hdc)
465 const int iAttribList[] = { WGL_ACCELERATION_ARB };
466 int iAttribRet[sizeof(iAttribList)/sizeof(iAttribList[0])];
467 unsigned int nFormats;
470 PIXELFORMATDESCRIPTOR pfd;
472 if (!pwglGetPixelFormatAttribivARB)
474 win_skip("wglGetPixelFormatAttribivARB is not available\n");
478 nFormats = DescribePixelFormat(hdc, 0, 0, NULL);
479 for(iPixelFormat = 1; iPixelFormat <= nFormats; iPixelFormat++)
481 res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0,
482 sizeof(iAttribList)/sizeof(iAttribList[0]), iAttribList,
484 ok(res!=FALSE, "wglGetPixelFormatAttribivARB failed for pixel format %d\n", iPixelFormat);
488 memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
489 DescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
491 switch(iAttribRet[0])
493 case WGL_NO_ACCELERATION_ARB:
494 ok( (pfd.dwFlags & (PFD_GENERIC_FORMAT | PFD_GENERIC_ACCELERATED)) == PFD_GENERIC_FORMAT , "Expected only PFD_GENERIC_FORMAT to be set for WGL_NO_ACCELERATION_ARB!: iPixelFormat=%d, dwFlags=%x!\n", iPixelFormat, pfd.dwFlags);
496 case WGL_GENERIC_ACCELERATION_ARB:
497 ok( (pfd.dwFlags & (PFD_GENERIC_FORMAT | PFD_GENERIC_ACCELERATED)) == (PFD_GENERIC_FORMAT | PFD_GENERIC_ACCELERATED), "Expected both PFD_GENERIC_FORMAT and PFD_GENERIC_ACCELERATION to be set for WGL_GENERIC_ACCELERATION_ARB: iPixelFormat=%d, dwFlags=%x!\n", iPixelFormat, pfd.dwFlags);
499 case WGL_FULL_ACCELERATION_ARB:
500 ok( (pfd.dwFlags & (PFD_GENERIC_FORMAT | PFD_GENERIC_ACCELERATED)) == 0, "Expected no PFD_GENERIC_FORMAT/_ACCELERATION to be set for WGL_FULL_ACCELERATION_ARB: iPixelFormat=%d, dwFlags=%x!\n", iPixelFormat, pfd.dwFlags);
506 static void test_bitmap_rendering(void)
508 PIXELFORMATDESCRIPTOR pfd;
509 int i, iPixelFormat=0;
510 unsigned int nFormats;
513 HBITMAP bmpDst, oldDst;
514 HDC hdcDst, hdcScreen;
517 memset(&biDst, 0, sizeof(BITMAPINFO));
518 biDst.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
519 biDst.bmiHeader.biWidth = 2;
520 biDst.bmiHeader.biHeight = -2;
521 biDst.bmiHeader.biPlanes = 1;
522 biDst.bmiHeader.biBitCount = 32;
523 biDst.bmiHeader.biCompression = BI_RGB;
525 hdcScreen = CreateCompatibleDC(0);
526 if(GetDeviceCaps(hdcScreen, BITSPIXEL) != 32)
529 trace("Skipping bitmap rendering test\n");
533 hdcDst = CreateCompatibleDC(hdcScreen);
534 bmpDst = CreateDIBSection(hdcDst, &biDst, DIB_RGB_COLORS, (void**)&dstBuffer, NULL, 0);
535 oldDst = SelectObject(hdcDst, bmpDst);
537 /* Pick a pixel format by hand because ChoosePixelFormat is unreliable */
538 nFormats = DescribePixelFormat(hdcDst, 0, 0, NULL);
539 for(i=1; i<=nFormats; i++)
541 memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
542 DescribePixelFormat(hdcDst, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
544 if((pfd.dwFlags & PFD_DRAW_TO_BITMAP) &&
545 (pfd.dwFlags & PFD_SUPPORT_OPENGL) &&
546 (pfd.cColorBits == 32) &&
547 (pfd.cAlphaBits == 8) )
556 skip("Unable to find a suitable pixel format\n");
560 SetPixelFormat(hdcDst, iPixelFormat, &pfd);
561 hglrc = wglCreateContext(hdcDst);
562 todo_wine ok(hglrc != NULL, "Unable to create a context\n");
566 wglMakeCurrent(hdcDst, hglrc);
568 /* Note this is RGBA but we read ARGB back */
569 glClearColor((float)0x22/0xff, (float)0x33/0xff, (float)0x44/0xff, (float)0x11/0xff);
570 glClear(GL_COLOR_BUFFER_BIT);
573 /* Note apparently the alpha channel is not supported by the software renderer (bitmap only works using software) */
574 ok(dstBuffer[0] == 0x223344, "Expected color=0x223344, received color=%x\n", dstBuffer[0]);
576 wglMakeCurrent(NULL, NULL);
577 wglDeleteContext(hglrc);
581 SelectObject(hdcDst, oldDst);
582 DeleteObject(bmpDst);
588 struct wgl_thread_param
590 HANDLE test_finished;
596 static DWORD WINAPI wgl_thread(void *param)
598 struct wgl_thread_param *p = param;
600 SetLastError(0xdeadbeef);
601 p->hglrc_deleted = wglDeleteContext(p->hglrc);
602 p->last_error = GetLastError();
603 SetEvent(p->test_finished);
608 static void test_deletecontext(HDC hdc)
610 struct wgl_thread_param thread_params;
611 HGLRC hglrc = wglCreateContext(hdc);
612 HANDLE thread_handle;
615 SetLastError(0xdeadbeef);
616 res = wglDeleteContext(NULL);
617 ok(res == FALSE, "wglDeleteContext succeeded\n");
618 ok(GetLastError() == ERROR_INVALID_HANDLE, "Expected last error to be ERROR_INVALID_HANDLE, got %u\n", GetLastError());
622 skip("wglCreateContext failed!\n");
626 res = wglMakeCurrent(hdc, hglrc);
629 skip("wglMakeCurrent failed!\n");
633 /* WGL doesn't allow you to delete a context from a different thread than the one in which it is current.
634 * This differs from GLX which does allow it but it delays actual deletion until the context becomes not current.
636 thread_params.hglrc = hglrc;
637 thread_params.test_finished = CreateEvent(NULL, FALSE, FALSE, NULL);
638 thread_handle = CreateThread(NULL, 0, wgl_thread, &thread_params, 0, &tid);
639 ok(!!thread_handle, "Failed to create thread, last error %#x.\n", GetLastError());
642 WaitForSingleObject(thread_handle, INFINITE);
643 ok(thread_params.hglrc_deleted == FALSE, "Attempt to delete WGL context from another thread passed but should fail!\n");
644 ok(thread_params.last_error == ERROR_BUSY, "Expected last error to be ERROR_BUSY, got %u\n", thread_params.last_error);
646 CloseHandle(thread_params.test_finished);
648 res = wglDeleteContext(hglrc);
649 ok(res == TRUE, "wglDeleteContext failed\n");
651 /* Attempting to delete the same context twice should fail. */
652 SetLastError(0xdeadbeef);
653 res = wglDeleteContext(hglrc);
654 ok(res == FALSE, "wglDeleteContext succeeded\n");
655 ok(GetLastError() == ERROR_INVALID_HANDLE, "Expected last error to be ERROR_INVALID_HANDLE, got %u\n", GetLastError());
657 /* WGL makes a context not current when deleting it. This differs from GLX behavior where
658 * deletion takes place when the thread becomes not current. */
659 hglrc = wglGetCurrentContext();
660 ok(hglrc == NULL, "A WGL context is active while none was expected\n");
663 static void test_make_current_read(HDC hdc)
667 HGLRC hglrc = wglCreateContext(hdc);
671 skip("wglCreateContext failed!\n");
675 res = wglMakeCurrent(hdc, hglrc);
678 skip("wglMakeCurrent failed!\n");
682 /* Test what wglGetCurrentReadDCARB does for wglMakeCurrent as the spec doesn't mention it */
683 hread = pwglGetCurrentReadDCARB();
684 trace("hread %p, hdc %p\n", hread, hdc);
685 ok(hread == hdc, "wglGetCurrentReadDCARB failed for standard wglMakeCurrent\n");
687 pwglMakeContextCurrentARB(hdc, hdc, hglrc);
688 hread = pwglGetCurrentReadDCARB();
689 ok(hread == hdc, "wglGetCurrentReadDCARB failed for wglMakeContextCurrent\n");
692 static void test_dc(HWND hwnd, HDC hdc)
697 /* Get another DC and make sure it has the same pixel format */
701 pf1 = GetPixelFormat(hdc);
702 pf2 = GetPixelFormat(hdc2);
703 ok(pf1 == pf2, "Second DC does not have the same format (%d != %d)\n", pf1, pf2);
706 skip("Could not get a different DC for the window\n");
710 ReleaseDC(hwnd, hdc2);
715 /* Nvidia converts win32 error codes to (0xc007 << 16) | win32_error_code */
716 #define NVIDIA_HRESULT_FROM_WIN32(x) (HRESULT_FROM_WIN32(x) | 0x40000000)
717 static void test_opengl3(HDC hdc)
719 /* Try to create a context compatible with OpenGL 1.x; 1.0-2.1 is allowed */
722 int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 1, 0};
724 gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs);
725 ok(gl3Ctx != 0, "pwglCreateContextAttribsARB for a 1.x context failed!\n");
726 wglDeleteContext(gl3Ctx);
729 /* Try to pass an invalid HDC */
733 gl3Ctx = pwglCreateContextAttribsARB((HDC)0xdeadbeef, 0, 0);
734 ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid HDC passed\n");
735 error = GetLastError();
736 todo_wine ok(error == ERROR_DC_NOT_FOUND ||
737 broken(error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_DATA)), /* Nvidia Vista + Win7 */
738 "Expected ERROR_DC_NOT_FOUND, got error=%x\n", error);
739 wglDeleteContext(gl3Ctx);
742 /* Try to pass an invalid shareList */
746 gl3Ctx = pwglCreateContextAttribsARB(hdc, (HGLRC)0xdeadbeef, 0);
747 todo_wine ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid shareList passed\n");
748 error = GetLastError();
749 /* The Nvidia implementation seems to return hresults instead of win32 error codes */
750 todo_wine ok(error == ERROR_INVALID_OPERATION ||
751 error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_OPERATION), "Expected ERROR_INVALID_OPERATION, got error=%x\n", error);
752 wglDeleteContext(gl3Ctx);
755 /* Try to create an OpenGL 3.0 context */
757 int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0};
758 HGLRC gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs);
762 skip("Skipping the rest of the WGL_ARB_create_context test due to lack of OpenGL 3.0\n");
766 wglDeleteContext(gl3Ctx);
769 /* Test matching an OpenGL 3.0 context with an older one, OpenGL 3.0 should allow it until the new object model is introduced in a future revision */
771 HGLRC glCtx = wglCreateContext(hdc);
773 int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0};
774 int attribs_future[] = {WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0};
776 HGLRC gl3Ctx = pwglCreateContextAttribsARB(hdc, glCtx, attribs);
777 ok(gl3Ctx != NULL, "Sharing of a display list between OpenGL 3.0 and OpenGL 1.x/2.x failed!\n");
779 wglDeleteContext(gl3Ctx);
781 gl3Ctx = pwglCreateContextAttribsARB(hdc, glCtx, attribs_future);
782 ok(gl3Ctx != NULL, "Sharing of a display list between a forward compatible OpenGL 3.0 context and OpenGL 1.x/2.x failed!\n");
784 wglDeleteContext(gl3Ctx);
787 wglDeleteContext(glCtx);
790 /* Try to create an OpenGL 3.0 context and test windowless rendering */
793 int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0};
796 gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs);
797 ok(gl3Ctx != 0, "pwglCreateContextAttribsARB for a 3.0 context failed!\n");
799 /* OpenGL 3.0 allows offscreen rendering WITHOUT a drawable
800 * Neither AMD or Nvidia support it at this point. The WGL_ARB_create_context specs also say that
801 * it is hard because drivers use the HDC to enter the display driver and it sounds like they don't
802 * expect drivers to ever offer it.
804 res = wglMakeCurrent(0, gl3Ctx);
805 ok(res == FALSE, "Wow, OpenGL 3.0 windowless rendering passed while it was expected not to!\n");
807 wglMakeCurrent(0, 0);
810 wglDeleteContext(gl3Ctx);
814 static void test_minimized(void)
816 PIXELFORMATDESCRIPTOR pf_desc =
818 sizeof(PIXELFORMATDESCRIPTOR),
820 PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
822 24, /* 24-bit color depth */
823 0, 0, 0, 0, 0, 0, /* color bits */
824 0, /* alpha buffer */
826 0, /* accumulation buffer */
827 0, 0, 0, 0, /* accum bits */
829 0, /* stencil buffer */
830 0, /* auxiliary buffer */
831 PFD_MAIN_PLANE, /* main layer */
833 0, 0, 0 /* layer masks */
842 window = CreateWindowA("static", "opengl32_test",
843 WS_POPUP | WS_MINIMIZE, 0, 0, 640, 480, 0, 0, 0, 0);
844 ok(!!window, "Failed to create window, last error %#x.\n", GetLastError());
847 ok(!!dc, "Failed to get DC.\n");
849 pixel_format = ChoosePixelFormat(dc, &pf_desc);
852 win_skip("Failed to find pixel format.\n");
853 ReleaseDC(window, dc);
854 DestroyWindow(window);
858 ret = SetPixelFormat(dc, pixel_format, &pf_desc);
859 ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError());
861 style = GetWindowLongA(window, GWL_STYLE);
862 ok(style & WS_MINIMIZE, "Window should be minimized, got style %#x.\n", style);
864 ctx = wglCreateContext(dc);
865 ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError());
867 ret = wglMakeCurrent(dc, ctx);
868 ok(ret, "Failed to make context current, last error %#x.\n", GetLastError());
870 style = GetWindowLongA(window, GWL_STYLE);
871 ok(style & WS_MINIMIZE, "window should be minimized, got style %#x.\n", style);
873 ret = wglMakeCurrent(NULL, NULL);
874 ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError());
876 ret = wglDeleteContext(ctx);
877 ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError());
879 ReleaseDC(window, dc);
880 DestroyWindow(window);
886 PIXELFORMATDESCRIPTOR pfd = {
887 sizeof(PIXELFORMATDESCRIPTOR),
893 24, /* 24-bit color depth */
894 0, 0, 0, 0, 0, 0, /* color bits */
895 0, /* alpha buffer */
897 0, /* accumulation buffer */
898 0, 0, 0, 0, /* accum bits */
900 0, /* stencil buffer */
901 0, /* auxiliary buffer */
902 PFD_MAIN_PLANE, /* main layer */
904 0, 0, 0 /* layer masks */
907 hwnd = CreateWindow("static", "Title", WS_OVERLAPPEDWINDOW,
908 10, 10, 200, 200, NULL, NULL, NULL, NULL);
909 ok(hwnd != NULL, "err: %d\n", GetLastError());
913 int iPixelFormat, res;
916 ShowWindow(hwnd, SW_SHOW);
920 iPixelFormat = ChoosePixelFormat(hdc, &pfd);
921 if(iPixelFormat == 0)
923 /* This should never happen as ChoosePixelFormat always returns a closest match, but currently this fails in Wine if we don't have glX */
924 win_skip("Unable to find pixel format.\n");
928 /* We shouldn't be able to create a context from a hdc which doesn't have a pixel format set */
929 hglrc = wglCreateContext(hdc);
930 ok(hglrc == NULL, "wglCreateContext should fail when no pixel format has been set, but it passed\n");
931 error = GetLastError();
932 ok(error == ERROR_INVALID_PIXEL_FORMAT, "expected ERROR_INVALID_PIXEL_FORMAT for wglCreateContext without a pixelformat set, but received %#x\n", error);
934 res = SetPixelFormat(hdc, iPixelFormat, &pfd);
935 ok(res, "SetPixelformat failed: %x\n", GetLastError());
937 test_bitmap_rendering();
941 hglrc = wglCreateContext(hdc);
942 res = wglMakeCurrent(hdc, hglrc);
943 ok(res, "wglMakeCurrent failed!\n");
946 trace("OpenGL renderer: %s\n", glGetString(GL_RENDERER));
947 trace("OpenGL driver version: %s\n", glGetString(GL_VERSION));
948 trace("OpenGL vendor: %s\n", glGetString(GL_VENDOR));
952 skip("Skipping OpenGL tests without a current context\n");
956 /* Initialisation of WGL functions depends on an implicit WGL context. For this reason we can't load them before making
957 * any WGL call :( On Wine this would work but not on real Windows because there can be different implementations (software, ICD, MCD).
960 /* The lack of wglGetExtensionsStringARB in general means broken software rendering or the lack of decent OpenGL support, skip tests in such cases */
961 if (!pwglGetExtensionsStringARB)
963 win_skip("wglGetExtensionsStringARB is not available\n");
967 test_deletecontext(hdc);
968 test_makecurrent(hdc);
969 test_setpixelformat(hdc);
970 test_sharelists(hdc);
973 test_acceleration(hdc);
975 wgl_extensions = pwglGetExtensionsStringARB(hdc);
976 if(wgl_extensions == NULL) skip("Skipping opengl32 tests because this OpenGL implementation doesn't support WGL extensions!\n");
978 if(strstr(wgl_extensions, "WGL_ARB_create_context"))
981 if(strstr(wgl_extensions, "WGL_ARB_make_current_read"))
982 test_make_current_read(hdc);
984 skip("WGL_ARB_make_current_read not supported, skipping test\n");
986 if(strstr(wgl_extensions, "WGL_ARB_pbuffer"))
989 skip("WGL_ARB_pbuffer not supported, skipping pbuffer test\n");
992 ReleaseDC(hwnd, hdc);