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wgl: SetPixelFormat should fail on the root window.

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This commit is contained in:
Roderick Colenbrander 2007-08-01 15:58:51 +02:00 committed by Alexandre Julliard
parent 219269c0f1
commit 323d9e428c
2 changed files with 46 additions and 0 deletions
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39
dlls/opengl32/tests/opengl.c
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@ -151,6 +151,43 @@ static void test_pbuffers(HDC hdc)
else skip("Pbuffer test for offscreen pixelformat skipped as no offscreen-only format with pbuffer capabilities has been found\n");
}
static void test_setpixelformat(void)
{
int res = 0;
int pf;
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1, /* version */
PFD_DRAW_TO_WINDOW |
PFD_SUPPORT_OPENGL |
PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
24, /* 24-bit color depth */
0, 0, 0, 0, 0, 0, /* color bits */
0, /* alpha buffer */
0, /* shift bit */
0, /* accumulation buffer */
0, 0, 0, 0, /* accum bits */
32, /* z-buffer */
0, /* stencil buffer */
0, /* auxiliary buffer */
PFD_MAIN_PLANE, /* main layer */
0, /* reserved */
0, 0, 0 /* layer masks */
};
HDC hdc = GetDC(0);
ok(hdc != 0, "GetDC(0) failed!\n");
/* This should pass even on the main device context */
pf = ChoosePixelFormat(hdc, &pfd);
ok(pf != 0, "ChoosePixelFormat failed on main device context");
/* SetPixelFormat on the main device context 'X root window' should fail */
res = SetPixelFormat(hdc, pf, &pfd);
ok(res == 0, "SetPixelFormat on main device context should fail\n");
}
START_TEST(opengl)
{
HWND hwnd;
@ -198,6 +235,8 @@ START_TEST(opengl)
ok(res, "wglMakeCurrent failed!\n");
init_functions();
test_setpixelformat();
wgl_extensions = pwglGetExtensionsStringARB(hdc);
if(wgl_extensions == NULL) skip("Skipping opengl32 tests because this OpenGL implementation doesn't support WGL extensions!\n");

7
dlls/winex11.drv/opengl.c
View File

@ -1298,6 +1298,13 @@ BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
return 0;
}
/* SetPixelFormat is not allowed on the X root_window e.g. GetDC(0) */
if(get_glxdrawable(physDev) == root_window)
{
ERR("Invalid operation on root_window\n");
return 0;
}
/* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
fmt = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &value);
if(!fmt) {