/* * Some tests for OpenGL functions * * Copyright (C) 2007-2008 Roderick Colenbrander * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include "wine/test.h" #include "wine/wgl.h" #define MAX_FORMATS 256 /* WGL_ARB_create_context */ static HGLRC (WINAPI *pwglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext, const int *attribList); /* WGL_ARB_extensions_string */ static const char* (WINAPI *pwglGetExtensionsStringARB)(HDC); static int (WINAPI *pwglReleasePbufferDCARB)(HPBUFFERARB, HDC); /* WGL_ARB_make_current_read */ static BOOL (WINAPI *pwglMakeContextCurrentARB)(HDC hdraw, HDC hread, HGLRC hglrc); static HDC (WINAPI *pwglGetCurrentReadDCARB)(void); /* WGL_ARB_pixel_format */ static BOOL (WINAPI *pwglChoosePixelFormatARB)(HDC, const int *, const FLOAT *, UINT, int *, UINT *); static BOOL (WINAPI *pwglGetPixelFormatAttribivARB)(HDC, int, int, UINT, const int *, int *); /* WGL_ARB_pbuffer */ static HPBUFFERARB (WINAPI *pwglCreatePbufferARB)(HDC, int, int, int, const int *); static HDC (WINAPI *pwglGetPbufferDCARB)(HPBUFFERARB); /* WGL_EXT_swap_control */ static BOOL (WINAPI *pwglSwapIntervalEXT)(int interval); static int (WINAPI *pwglGetSwapIntervalEXT)(void); /* GL_ARB_debug_output */ static void (WINAPI *pglDebugMessageCallbackARB)(void *, void *); static void (WINAPI *pglDebugMessageControlARB)(GLenum, GLenum, GLenum, GLsizei, const GLuint *, GLboolean); static void (WINAPI *pglDebugMessageInsertARB)(GLenum, GLenum, GLuint, GLenum, GLsizei, const char *); static const char* wgl_extensions = NULL; static void init_functions(void) { #define GET_PROC(func) \ p ## func = (void*)wglGetProcAddress(#func); \ if(!p ## func) \ trace("wglGetProcAddress(%s) failed\n", #func); /* WGL_ARB_create_context */ GET_PROC(wglCreateContextAttribsARB); /* WGL_ARB_extensions_string */ GET_PROC(wglGetExtensionsStringARB) /* WGL_ARB_make_current_read */ GET_PROC(wglMakeContextCurrentARB); GET_PROC(wglGetCurrentReadDCARB); /* WGL_ARB_pixel_format */ GET_PROC(wglChoosePixelFormatARB) GET_PROC(wglGetPixelFormatAttribivARB) /* WGL_ARB_pbuffer */ GET_PROC(wglCreatePbufferARB) GET_PROC(wglGetPbufferDCARB) GET_PROC(wglReleasePbufferDCARB) /* WGL_EXT_swap_control */ GET_PROC(wglSwapIntervalEXT) GET_PROC(wglGetSwapIntervalEXT) /* GL_ARB_debug_output */ GET_PROC(glDebugMessageCallbackARB) GET_PROC(glDebugMessageControlARB) GET_PROC(glDebugMessageInsertARB) #undef GET_PROC } static BOOL gl_extension_supported(const char *extensions, const char *extension_string) { size_t ext_str_len = strlen(extension_string); while (*extensions) { const char *start; size_t len; while (isspace(*extensions)) ++extensions; start = extensions; while (!isspace(*extensions) && *extensions) ++extensions; len = extensions - start; if (!len) continue; if (len == ext_str_len && !memcmp(start, extension_string, ext_str_len)) { return TRUE; } } return FALSE; } static void test_pbuffers(HDC hdc) { const int iAttribList[] = { WGL_DRAW_TO_PBUFFER_ARB, 1, /* Request pbuffer support */ 0 }; int iFormats[MAX_FORMATS]; unsigned int nOnscreenFormats; unsigned int nFormats; int i, res; int iPixelFormat = 0; nOnscreenFormats = DescribePixelFormat(hdc, 0, 0, NULL); /* When you want to render to a pbuffer you need to call wglGetPbufferDCARB which * returns a 'magic' HDC which you can then pass to wglMakeCurrent to switch rendering * to the pbuffer. Below some tests are performed on what happens if you use standard WGL calls * on this 'magic' HDC for both a pixelformat that support onscreen and offscreen rendering * and a pixelformat that's only available for offscreen rendering (this means that only * wglChoosePixelFormatARB and friends know about the format. * * The first thing we need are pixelformats with pbuffer capabilities. */ res = pwglChoosePixelFormatARB(hdc, iAttribList, NULL, MAX_FORMATS, iFormats, &nFormats); if(res <= 0) { skip("No pbuffer compatible formats found while WGL_ARB_pbuffer is supported\n"); return; } trace("nOnscreenFormats: %d\n", nOnscreenFormats); trace("Total number of pbuffer capable pixelformats: %d\n", nFormats); /* Try to select an onscreen pixelformat out of the list */ for(i=0; i < nFormats; i++) { /* Check if the format is onscreen, if it is choose it */ if(iFormats[i] <= nOnscreenFormats) { iPixelFormat = iFormats[i]; trace("Selected iPixelFormat=%d\n", iPixelFormat); break; } } /* A video driver supports a large number of onscreen and offscreen pixelformats. * The traditional WGL calls only see a subset of the whole pixelformat list. First * of all they only see the onscreen formats (the offscreen formats are at the end of the * pixelformat list) and second extended pixelformat capabilities are hidden from the * standard WGL calls. Only functions that depend on WGL_ARB_pixel_format can see them. * * Below we check if the pixelformat is also supported onscreen. */ if(iPixelFormat != 0) { HDC pbuffer_hdc; int attrib = 0; HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, &attrib); if(!pbuffer) skip("Pbuffer creation failed!\n"); /* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */ pbuffer_hdc = pwglGetPbufferDCARB(pbuffer); res = GetPixelFormat(pbuffer_hdc); ok(res == iPixelFormat, "Unexpected iPixelFormat=%d returned by GetPixelFormat for format %d\n", res, iPixelFormat); trace("iPixelFormat returned by GetPixelFormat: %d\n", res); trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat); pwglReleasePbufferDCARB(pbuffer, pbuffer_hdc); } else skip("Pbuffer test for onscreen pixelformat skipped as no onscreen format with pbuffer capabilities have been found\n"); /* Search for a real offscreen format */ for(i=0, iPixelFormat=0; i nOnscreenFormats) { iPixelFormat = iFormats[i]; trace("Selected iPixelFormat: %d\n", iPixelFormat); break; } } if(iPixelFormat != 0) { HDC pbuffer_hdc; HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, NULL); if(pbuffer) { /* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */ pbuffer_hdc = pwglGetPbufferDCARB(pbuffer); res = GetPixelFormat(pbuffer_hdc); ok(res == 1, "Unexpected iPixelFormat=%d (1 expected) returned by GetPixelFormat for offscreen format %d\n", res, iPixelFormat); trace("iPixelFormat returned by GetPixelFormat: %d\n", res); trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat); pwglReleasePbufferDCARB(pbuffer, hdc); } else skip("Pbuffer creation failed!\n"); } else skip("Pbuffer test for offscreen pixelformat skipped as no offscreen-only format with pbuffer capabilities has been found\n"); } static int test_pfd(const PIXELFORMATDESCRIPTOR *pfd, PIXELFORMATDESCRIPTOR *fmt) { int pf; HDC hdc; HWND hwnd; hwnd = CreateWindowA("static", "Title", WS_OVERLAPPEDWINDOW, 10, 10, 200, 200, NULL, NULL, NULL, NULL); if (!hwnd) return 0; hdc = GetDC( hwnd ); pf = ChoosePixelFormat( hdc, pfd ); if (pf && fmt) { memset(fmt, 0, sizeof(*fmt)); ok(DescribePixelFormat( hdc, pf, sizeof(*fmt), fmt ), "DescribePixelFormat failed with error: %u\n", GetLastError()); } ReleaseDC( hwnd, hdc ); DestroyWindow( hwnd ); return pf; } static void test_choosepixelformat(void) { PIXELFORMATDESCRIPTOR pfd = { sizeof(PIXELFORMATDESCRIPTOR), 1, /* version */ PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL, PFD_TYPE_RGBA, 0, /* 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 */ 0, /* z-buffer */ 0, /* stencil buffer */ 0, /* auxiliary buffer */ PFD_MAIN_PLANE, /* main layer */ 0, /* reserved */ 0, 0, 0 /* layer masks */ }; PIXELFORMATDESCRIPTOR ret_fmt; ok( test_pfd(&pfd, NULL), "Simple pfd failed\n" ); pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE failed\n" ); pfd.dwFlags |= PFD_STEREO_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_STEREO_DONTCARE; pfd.iPixelType = 32; ok( test_pfd(&pfd, &ret_fmt), "Invalid pixel format 32 failed\n" ); ok( ret_fmt.iPixelType == PFD_TYPE_RGBA, "Expected pixel type PFD_TYPE_RGBA, got %d\n", ret_fmt.iPixelType ); pfd.iPixelType = 33; ok( test_pfd(&pfd, &ret_fmt), "Invalid pixel format 33 failed\n" ); ok( ret_fmt.iPixelType == PFD_TYPE_RGBA, "Expected pixel type PFD_TYPE_RGBA, got %d\n", ret_fmt.iPixelType ); pfd.iPixelType = 15; ok( test_pfd(&pfd, &ret_fmt), "Invalid pixel format 15 failed\n" ); ok( ret_fmt.iPixelType == PFD_TYPE_RGBA, "Expected pixel type PFD_TYPE_RGBA, got %d\n", ret_fmt.iPixelType ); pfd.iPixelType = PFD_TYPE_RGBA; pfd.cColorBits = 32; ok( test_pfd(&pfd, NULL), "Simple pfd failed\n" ); pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE failed\n" ); pfd.dwFlags |= PFD_STEREO_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_STEREO_DONTCARE; pfd.cColorBits = 0; pfd.cAlphaBits = 8; ok( test_pfd(&pfd, NULL), "Simple pfd failed\n" ); pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE failed\n" ); pfd.dwFlags |= PFD_STEREO_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_STEREO_DONTCARE; pfd.cAlphaBits = 0; pfd.cStencilBits = 8; ok( test_pfd(&pfd, NULL), "Simple pfd failed\n" ); pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE failed\n" ); pfd.dwFlags |= PFD_STEREO_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_STEREO_DONTCARE; pfd.cStencilBits = 0; pfd.cAuxBuffers = 1; ok( test_pfd(&pfd, NULL), "Simple pfd failed\n" ); pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE failed\n" ); pfd.dwFlags |= PFD_STEREO_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE; ok( test_pfd(&pfd, NULL), "PFD_STEREO_DONTCARE failed\n" ); pfd.dwFlags &= ~PFD_STEREO_DONTCARE; pfd.cAuxBuffers = 0; } static void WINAPI gl_debug_message_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam) { DWORD *count = (DWORD *)userParam; (*count)++; } static void test_debug_message_callback(void) { static const char testmsg[] = "Hello World"; DWORD count; if (!pglDebugMessageCallbackARB) { skip("glDebugMessageCallbackARB not supported\n"); return; } glEnable(GL_DEBUG_OUTPUT); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); pglDebugMessageCallbackARB(gl_debug_message_callback, &count); pglDebugMessageControlARB(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, NULL, GL_TRUE); count = 0; pglDebugMessageInsertARB(GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_OTHER, 0x42424242, GL_DEBUG_SEVERITY_LOW, sizeof(testmsg), testmsg); ok(count == 1, "expected count == 1, got %u\n", count); glDisable(GL_DEBUG_OUTPUT_SYNCHRONOUS); glDisable(GL_DEBUG_OUTPUT); } static void test_setpixelformat(HDC winhdc) { int res = 0; int nCfgs; int pf; int i; HWND hwnd; 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\n"); /* SetPixelFormat on the main device context 'X root window' should fail, * but some broken drivers allow it */ res = SetPixelFormat(hdc, pf, &pfd); trace("SetPixelFormat on main device context %s\n", res ? "succeeded" : "failed"); /* Setting the same format that was set on the HDC is allowed; other formats fail */ nCfgs = DescribePixelFormat(winhdc, 0, 0, NULL); pf = GetPixelFormat(winhdc); for(i = 1;i <= nCfgs;i++) { int res = SetPixelFormat(winhdc, i, NULL); if(i == pf) ok(res, "Failed to set the same pixel format\n"); else ok(!res, "Unexpectedly set an alternate pixel format\n"); } hwnd = CreateWindowA("static", "Title", WS_OVERLAPPEDWINDOW, 10, 10, 200, 200, NULL, NULL, NULL, NULL); ok(hwnd != NULL, "err: %d\n", GetLastError()); if (hwnd) { HDC hdc = GetDC( hwnd ); pf = ChoosePixelFormat( hdc, &pfd ); ok( pf != 0, "ChoosePixelFormat failed\n" ); res = SetPixelFormat( hdc, pf, &pfd ); ok( res != 0, "SetPixelFormat failed\n" ); i = GetPixelFormat( hdc ); ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf ); ReleaseDC( hwnd, hdc ); hdc = GetWindowDC( hwnd ); i = GetPixelFormat( hdc ); ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf ); ReleaseDC( hwnd, hdc ); DestroyWindow( hwnd ); /* check various calls with invalid hdc */ SetLastError( 0xdeadbeef ); i = GetPixelFormat( hdc ); ok( i == 0, "GetPixelFormat succeeded\n" ); ok( GetLastError() == ERROR_INVALID_PIXEL_FORMAT, "wrong error %u\n", GetLastError() ); SetLastError( 0xdeadbeef ); res = SetPixelFormat( hdc, pf, &pfd ); ok( !res, "SetPixelFormat succeeded\n" ); ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() ); SetLastError( 0xdeadbeef ); res = DescribePixelFormat( hdc, 0, 0, NULL ); ok( !res, "DescribePixelFormat succeeded\n" ); ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() ); SetLastError( 0xdeadbeef ); pf = ChoosePixelFormat( hdc, &pfd ); ok( !pf, "ChoosePixelFormat succeeded\n" ); ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() ); SetLastError( 0xdeadbeef ); res = SwapBuffers( hdc ); ok( !res, "SwapBuffers succeeded\n" ); ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() ); SetLastError( 0xdeadbeef ); ok( !wglCreateContext( hdc ), "CreateContext succeeded\n" ); ok( GetLastError() == ERROR_INVALID_HANDLE, "wrong error %u\n", GetLastError() ); } hwnd = CreateWindowA("static", "Title", WS_OVERLAPPEDWINDOW, 10, 10, 200, 200, NULL, NULL, NULL, NULL); ok(hwnd != NULL, "err: %d\n", GetLastError()); if (hwnd) { HDC hdc = GetWindowDC( hwnd ); pf = ChoosePixelFormat( hdc, &pfd ); ok( pf != 0, "ChoosePixelFormat failed\n" ); res = SetPixelFormat( hdc, pf, &pfd ); ok( res != 0, "SetPixelFormat failed\n" ); i = GetPixelFormat( hdc ); ok( i == pf, "GetPixelFormat returned wrong format %d/%d\n", i, pf ); ReleaseDC( hwnd, hdc ); DestroyWindow( hwnd ); } } static void test_sharelists(HDC winhdc) { HGLRC hglrc1, hglrc2, hglrc3; BOOL res; hglrc1 = wglCreateContext(winhdc); res = wglShareLists(0, 0); ok(res == FALSE, "Sharing display lists for no contexts passed!\n"); /* Test 1: Create a context and just share lists without doing anything special */ hglrc2 = wglCreateContext(winhdc); if(hglrc2) { res = wglShareLists(hglrc1, hglrc2); ok(res, "Sharing of display lists failed\n"); wglDeleteContext(hglrc2); } /* Test 2: Share display lists with a 'destination' context which has been made current */ hglrc2 = wglCreateContext(winhdc); if(hglrc2) { res = wglMakeCurrent(winhdc, hglrc2); ok(res, "Make current failed\n"); res = wglShareLists(hglrc1, hglrc2); todo_wine ok(res, "Sharing display lists with a destination context which has been made current failed\n"); wglMakeCurrent(0, 0); wglDeleteContext(hglrc2); } /* Test 3: Share display lists with a context which already shares display lists with another context. * According to MSDN the second parameter cannot share any display lists but some buggy drivers might allow it */ hglrc3 = wglCreateContext(winhdc); if(hglrc3) { res = wglShareLists(hglrc3, hglrc1); ok(res == FALSE, "Sharing of display lists passed for a context which already shared lists before\n"); wglDeleteContext(hglrc3); } /* Test 4: Share display lists with a 'source' context which has been made current */ hglrc2 = wglCreateContext(winhdc); if(hglrc2) { res = wglMakeCurrent(winhdc, hglrc1); ok(res, "Make current failed\n"); res = wglShareLists(hglrc1, hglrc2); ok(res, "Sharing display lists with a source context which has been made current failed\n"); wglMakeCurrent(0, 0); wglDeleteContext(hglrc2); } } static void test_makecurrent(HDC winhdc) { BOOL ret; HGLRC hglrc; hglrc = wglCreateContext(winhdc); ok( hglrc != 0, "wglCreateContext failed\n" ); ret = wglMakeCurrent( winhdc, hglrc ); ok( ret, "wglMakeCurrent failed\n" ); ok( wglGetCurrentContext() == hglrc, "wrong context\n" ); /* set the same context again */ ret = wglMakeCurrent( winhdc, hglrc ); ok( ret, "wglMakeCurrent failed\n" ); /* check wglMakeCurrent(x, y) after another call to wglMakeCurrent(x, y) */ ret = wglMakeCurrent( winhdc, NULL ); ok( ret, "wglMakeCurrent failed\n" ); ret = wglMakeCurrent( winhdc, NULL ); ok( ret, "wglMakeCurrent failed\n" ); SetLastError( 0xdeadbeef ); ret = wglMakeCurrent( NULL, NULL ); ok( !ret || broken(ret) /* nt4 */, "wglMakeCurrent succeeded\n" ); if (!ret) ok( GetLastError() == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", GetLastError() ); ret = wglMakeCurrent( winhdc, NULL ); ok( ret, "wglMakeCurrent failed\n" ); ret = wglMakeCurrent( winhdc, hglrc ); ok( ret, "wglMakeCurrent failed\n" ); ret = wglMakeCurrent( NULL, NULL ); ok( ret, "wglMakeCurrent failed\n" ); ok( wglGetCurrentContext() == NULL, "wrong context\n" ); SetLastError( 0xdeadbeef ); ret = wglMakeCurrent( NULL, NULL ); ok( !ret || broken(ret) /* nt4 */, "wglMakeCurrent succeeded\n" ); if (!ret) ok( GetLastError() == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", GetLastError() ); ret = wglMakeCurrent( winhdc, hglrc ); ok( ret, "wglMakeCurrent failed\n" ); } static void test_colorbits(HDC hdc) { const int iAttribList[] = { WGL_COLOR_BITS_ARB, WGL_RED_BITS_ARB, WGL_GREEN_BITS_ARB, WGL_BLUE_BITS_ARB, WGL_ALPHA_BITS_ARB }; int iAttribRet[ARRAY_SIZE(iAttribList)]; const int iAttribs[] = { WGL_ALPHA_BITS_ARB, 1, 0 }; unsigned int nFormats; BOOL res; int iPixelFormat = 0; if (!pwglChoosePixelFormatARB) { win_skip("wglChoosePixelFormatARB is not available\n"); return; } /* We need a pixel format with at least one bit of alpha */ res = pwglChoosePixelFormatARB(hdc, iAttribs, NULL, 1, &iPixelFormat, &nFormats); if(res == FALSE || nFormats == 0) { skip("No suitable pixel formats found\n"); return; } res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0, ARRAY_SIZE(iAttribList), iAttribList, iAttribRet); if(res == FALSE) { skip("wglGetPixelFormatAttribivARB failed\n"); return; } iAttribRet[1] += iAttribRet[2]+iAttribRet[3]+iAttribRet[4]; ok(iAttribRet[0] == iAttribRet[1], "WGL_COLOR_BITS_ARB (%d) does not equal R+G+B+A (%d)!\n", iAttribRet[0], iAttribRet[1]); } static void test_gdi_dbuf(HDC hdc) { const int iAttribList[] = { WGL_SUPPORT_GDI_ARB, WGL_DOUBLE_BUFFER_ARB }; int iAttribRet[ARRAY_SIZE(iAttribList)]; unsigned int nFormats; int iPixelFormat; BOOL res; if (!pwglGetPixelFormatAttribivARB) { win_skip("wglGetPixelFormatAttribivARB is not available\n"); return; } nFormats = DescribePixelFormat(hdc, 0, 0, NULL); for(iPixelFormat = 1;iPixelFormat <= nFormats;iPixelFormat++) { res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0, ARRAY_SIZE(iAttribList), iAttribList, iAttribRet); ok(res!=FALSE, "wglGetPixelFormatAttribivARB failed for pixel format %d\n", iPixelFormat); if(res == FALSE) continue; ok(!(iAttribRet[0] && iAttribRet[1]), "GDI support and double buffering on pixel format %d\n", iPixelFormat); } } static void test_acceleration(HDC hdc) { const int iAttribList[] = { WGL_ACCELERATION_ARB }; int iAttribRet[ARRAY_SIZE(iAttribList)]; unsigned int nFormats; int iPixelFormat; int res; PIXELFORMATDESCRIPTOR pfd; if (!pwglGetPixelFormatAttribivARB) { win_skip("wglGetPixelFormatAttribivARB is not available\n"); return; } nFormats = DescribePixelFormat(hdc, 0, 0, NULL); for(iPixelFormat = 1; iPixelFormat <= nFormats; iPixelFormat++) { res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0, ARRAY_SIZE(iAttribList), iAttribList, iAttribRet); ok(res!=FALSE, "wglGetPixelFormatAttribivARB failed for pixel format %d\n", iPixelFormat); if(res == FALSE) continue; memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); DescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd); switch(iAttribRet[0]) { case WGL_NO_ACCELERATION_ARB: 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); break; case WGL_GENERIC_ACCELERATION_ARB: 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); break; case WGL_FULL_ACCELERATION_ARB: 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); break; } } } static void test_bitmap_rendering( BOOL use_dib ) { PIXELFORMATDESCRIPTOR pfd; int i, ret, bpp, iPixelFormat=0; unsigned int nFormats; HGLRC hglrc, hglrc2; BITMAPINFO biDst; HBITMAP bmpDst, oldDst, bmp2; HDC hdcDst, hdcScreen; UINT *dstBuffer = NULL; hdcScreen = CreateCompatibleDC(0); hdcDst = CreateCompatibleDC(0); if (use_dib) { bpp = 32; memset(&biDst, 0, sizeof(BITMAPINFO)); biDst.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); biDst.bmiHeader.biWidth = 4; biDst.bmiHeader.biHeight = -4; biDst.bmiHeader.biPlanes = 1; biDst.bmiHeader.biBitCount = 32; biDst.bmiHeader.biCompression = BI_RGB; bmpDst = CreateDIBSection(0, &biDst, DIB_RGB_COLORS, (void**)&dstBuffer, NULL, 0); biDst.bmiHeader.biWidth = 12; biDst.bmiHeader.biHeight = -12; biDst.bmiHeader.biBitCount = 16; bmp2 = CreateDIBSection(0, &biDst, DIB_RGB_COLORS, NULL, NULL, 0); } else { bpp = GetDeviceCaps( hdcScreen, BITSPIXEL ); bmpDst = CreateBitmap( 4, 4, 1, bpp, NULL ); bmp2 = CreateBitmap( 12, 12, 1, bpp, NULL ); } oldDst = SelectObject(hdcDst, bmpDst); trace( "testing on %s\n", use_dib ? "DIB" : "DDB" ); /* Pick a pixel format by hand because ChoosePixelFormat is unreliable */ nFormats = DescribePixelFormat(hdcDst, 0, 0, NULL); for(i=1; i<=nFormats; i++) { memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); DescribePixelFormat(hdcDst, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd); if((pfd.dwFlags & PFD_DRAW_TO_BITMAP) && (pfd.dwFlags & PFD_SUPPORT_OPENGL) && (pfd.cColorBits == bpp) && (pfd.cAlphaBits == 8) ) { iPixelFormat = i; break; } } if(!iPixelFormat) { skip("Unable to find a suitable pixel format\n"); } else { ret = SetPixelFormat(hdcDst, iPixelFormat, &pfd); ok( ret, "SetPixelFormat failed\n" ); ret = GetPixelFormat( hdcDst ); ok( ret == iPixelFormat, "GetPixelFormat returned %d/%d\n", ret, iPixelFormat ); ret = SetPixelFormat(hdcDst, iPixelFormat + 1, &pfd); ok( !ret, "SetPixelFormat succeeded\n" ); hglrc = wglCreateContext(hdcDst); ok(hglrc != NULL, "Unable to create a context\n"); if(hglrc) { GLint viewport[4]; wglMakeCurrent(hdcDst, hglrc); hglrc2 = wglCreateContext(hdcDst); ok(hglrc2 != NULL, "Unable to create a context\n"); /* Note this is RGBA but we read ARGB back */ glClearColor((float)0x22/0xff, (float)0x33/0xff, (float)0x44/0xff, (float)0x11/0xff); glClear(GL_COLOR_BUFFER_BIT); glGetIntegerv( GL_VIEWPORT, viewport ); glFinish(); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 4 && viewport[3] == 4, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); /* Note apparently the alpha channel is not supported by the software renderer (bitmap only works using software) */ if (dstBuffer) for (i = 0; i < 16; i++) ok(dstBuffer[i] == 0x223344 || dstBuffer[i] == 0x11223344, "Received color=%x at %u\n", dstBuffer[i], i); SelectObject(hdcDst, bmp2); ret = GetPixelFormat( hdcDst ); ok( ret == iPixelFormat, "GetPixelFormat returned %d/%d\n", ret, iPixelFormat ); ret = SetPixelFormat(hdcDst, iPixelFormat + 1, &pfd); ok( !ret, "SetPixelFormat succeeded\n" ); /* context still uses the old pixel format and viewport */ glClearColor((float)0x44/0xff, (float)0x33/0xff, (float)0x22/0xff, (float)0x11/0xff); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glGetIntegerv( GL_VIEWPORT, viewport ); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 4 && viewport[3] == 4, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); wglMakeCurrent(NULL, NULL); wglMakeCurrent(hdcDst, hglrc); glClearColor((float)0x44/0xff, (float)0x55/0xff, (float)0x66/0xff, (float)0x11/0xff); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glGetIntegerv( GL_VIEWPORT, viewport ); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 4 && viewport[3] == 4, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); wglMakeCurrent(hdcDst, hglrc2); glGetIntegerv( GL_VIEWPORT, viewport ); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 12 && viewport[3] == 12, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); wglMakeCurrent(hdcDst, hglrc); glGetIntegerv( GL_VIEWPORT, viewport ); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 4 && viewport[3] == 4, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); SelectObject(hdcDst, bmpDst); ret = GetPixelFormat( hdcDst ); ok( ret == iPixelFormat, "GetPixelFormat returned %d/%d\n", ret, iPixelFormat ); ret = SetPixelFormat(hdcDst, iPixelFormat + 1, &pfd); ok( !ret, "SetPixelFormat succeeded\n" ); wglMakeCurrent(hdcDst, hglrc2); glGetIntegerv( GL_VIEWPORT, viewport ); ok( viewport[0] == 0 && viewport[1] == 0 && viewport[2] == 12 && viewport[3] == 12, "wrong viewport %d,%d,%d,%d\n", viewport[0], viewport[1], viewport[2], viewport[3] ); wglDeleteContext(hglrc2); wglDeleteContext(hglrc); } } SelectObject(hdcDst, oldDst); DeleteObject(bmp2); DeleteObject(bmpDst); DeleteDC(hdcDst); DeleteDC(hdcScreen); } struct wgl_thread_param { HANDLE test_finished; HWND hwnd; HGLRC hglrc; BOOL make_current; BOOL make_current_error; BOOL deleted; DWORD deleted_error; }; static DWORD WINAPI wgl_thread(void *param) { struct wgl_thread_param *p = param; HDC hdc = GetDC( p->hwnd ); ok(!glGetString(GL_RENDERER) && !glGetString(GL_VERSION) && !glGetString(GL_VENDOR), "Expected NULL string when no active context is set\n"); SetLastError(0xdeadbeef); p->make_current = wglMakeCurrent(hdc, p->hglrc); p->make_current_error = GetLastError(); p->deleted = wglDeleteContext(p->hglrc); p->deleted_error = GetLastError(); ReleaseDC( p->hwnd, hdc ); SetEvent(p->test_finished); return 0; } static void test_deletecontext(HWND hwnd, HDC hdc) { struct wgl_thread_param thread_params; HGLRC hglrc = wglCreateContext(hdc); HANDLE thread_handle; BOOL res; DWORD tid; SetLastError(0xdeadbeef); res = wglDeleteContext(NULL); ok(res == FALSE, "wglDeleteContext succeeded\n"); ok(GetLastError() == ERROR_INVALID_HANDLE, "Expected last error to be ERROR_INVALID_HANDLE, got %u\n", GetLastError()); if(!hglrc) { skip("wglCreateContext failed!\n"); return; } res = wglMakeCurrent(hdc, hglrc); if(!res) { skip("wglMakeCurrent failed!\n"); return; } /* WGL doesn't allow you to delete a context from a different thread than the one in which it is current. * This differs from GLX which does allow it but it delays actual deletion until the context becomes not current. */ thread_params.hglrc = hglrc; thread_params.hwnd = hwnd; thread_params.test_finished = CreateEventW(NULL, FALSE, FALSE, NULL); thread_handle = CreateThread(NULL, 0, wgl_thread, &thread_params, 0, &tid); ok(!!thread_handle, "Failed to create thread, last error %#x.\n", GetLastError()); if(thread_handle) { WaitForSingleObject(thread_handle, INFINITE); ok(!thread_params.make_current, "Attempt to make WGL context from another thread passed\n"); ok(thread_params.make_current_error == ERROR_BUSY, "Expected last error to be ERROR_BUSY, got %u\n", thread_params.make_current_error); ok(!thread_params.deleted, "Attempt to delete WGL context from another thread passed\n"); ok(thread_params.deleted_error == ERROR_BUSY, "Expected last error to be ERROR_BUSY, got %u\n", thread_params.deleted_error); } CloseHandle(thread_params.test_finished); res = wglDeleteContext(hglrc); ok(res == TRUE, "wglDeleteContext failed\n"); /* Attempting to delete the same context twice should fail. */ SetLastError(0xdeadbeef); res = wglDeleteContext(hglrc); ok(res == FALSE, "wglDeleteContext succeeded\n"); ok(GetLastError() == ERROR_INVALID_HANDLE, "Expected last error to be ERROR_INVALID_HANDLE, got %u\n", GetLastError()); /* WGL makes a context not current when deleting it. This differs from GLX behavior where * deletion takes place when the thread becomes not current. */ hglrc = wglGetCurrentContext(); ok(hglrc == NULL, "A WGL context is active while none was expected\n"); } static void test_getprocaddress(HDC hdc) { const char *extensions = (const char*)glGetString(GL_EXTENSIONS); PROC func = NULL; HGLRC ctx = wglGetCurrentContext(); if (!extensions) { skip("skipping wglGetProcAddress tests because no GL extensions supported\n"); return; } /* Core GL 1.0/1.1 functions should not be loadable through wglGetProcAddress. * Try to load the function with and without a context. */ func = wglGetProcAddress("glEnable"); ok(func == NULL, "Lookup of function glEnable with a context passed, expected a failure\n"); wglMakeCurrent(hdc, NULL); func = wglGetProcAddress("glEnable"); ok(func == NULL, "Lookup of function glEnable without a context passed, expected a failure\n"); wglMakeCurrent(hdc, ctx); /* The goal of the test will be to test behavior of wglGetProcAddress when * no WGL context is active. Before the test we pick an extension (GL_ARB_multitexture) * which any GL >=1.2.1 implementation supports. Unfortunately the GDI renderer doesn't * support it. There aren't any extensions we can use for this test which are supported by * both GDI and real drivers. * Note GDI only has GL_EXT_bgra, GL_EXT_paletted_texture and GL_WIN_swap_hint. */ if (!gl_extension_supported(extensions, "GL_ARB_multitexture")) { skip("skipping test because lack of GL_ARB_multitexture support\n"); return; } func = wglGetProcAddress("glActiveTextureARB"); ok(func != NULL, "Unable to lookup glActiveTextureARB, last error %#x\n", GetLastError()); /* Temporarily disable the context, so we can see that we can't retrieve functions now. */ wglMakeCurrent(hdc, NULL); func = wglGetProcAddress("glActiveTextureARB"); ok(func == NULL, "Function lookup without a context passed, expected a failure; last error %#x\n", GetLastError()); wglMakeCurrent(hdc, ctx); } static void test_make_current_read(HDC hdc) { int res; HDC hread; HGLRC hglrc = wglCreateContext(hdc); if(!hglrc) { skip("wglCreateContext failed!\n"); return; } res = wglMakeCurrent(hdc, hglrc); if(!res) { skip("wglMakeCurrent failed!\n"); return; } /* Test what wglGetCurrentReadDCARB does for wglMakeCurrent as the spec doesn't mention it */ hread = pwglGetCurrentReadDCARB(); trace("hread %p, hdc %p\n", hread, hdc); ok(hread == hdc, "wglGetCurrentReadDCARB failed for standard wglMakeCurrent\n"); pwglMakeContextCurrentARB(hdc, hdc, hglrc); hread = pwglGetCurrentReadDCARB(); ok(hread == hdc, "wglGetCurrentReadDCARB failed for wglMakeContextCurrent\n"); } static void test_dc(HWND hwnd, HDC hdc) { int pf1, pf2; HDC hdc2; /* Get another DC and make sure it has the same pixel format */ hdc2 = GetDC(hwnd); if(hdc != hdc2) { pf1 = GetPixelFormat(hdc); pf2 = GetPixelFormat(hdc2); ok(pf1 == pf2, "Second DC does not have the same format (%d != %d)\n", pf1, pf2); } else skip("Could not get a different DC for the window\n"); if(hdc2) { ReleaseDC(hwnd, hdc2); hdc2 = NULL; } } /* Nvidia converts win32 error codes to (0xc007 << 16) | win32_error_code */ #define NVIDIA_HRESULT_FROM_WIN32(x) (HRESULT_FROM_WIN32(x) | 0x40000000) static void test_opengl3(HDC hdc) { /* Try to create a context compatible with OpenGL 1.x; 1.0-2.1 is allowed */ { HGLRC gl3Ctx; int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 1, 0}; gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs); ok(gl3Ctx != 0, "pwglCreateContextAttribsARB for a 1.x context failed!\n"); wglDeleteContext(gl3Ctx); } /* Try to pass an invalid HDC */ { HGLRC gl3Ctx; DWORD error; SetLastError(0xdeadbeef); gl3Ctx = pwglCreateContextAttribsARB((HDC)0xdeadbeef, 0, 0); ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid HDC passed\n"); error = GetLastError(); ok(error == ERROR_DC_NOT_FOUND || error == ERROR_INVALID_HANDLE || broken(error == ERROR_DS_GENERIC_ERROR) || broken(error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_DATA)), /* Nvidia Vista + Win7 */ "Expected ERROR_DC_NOT_FOUND, got error=%x\n", error); wglDeleteContext(gl3Ctx); } /* Try to pass an invalid shareList */ { HGLRC gl3Ctx; DWORD error; SetLastError(0xdeadbeef); gl3Ctx = pwglCreateContextAttribsARB(hdc, (HGLRC)0xdeadbeef, 0); ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid shareList passed\n"); error = GetLastError(); /* The Nvidia implementation seems to return hresults instead of win32 error codes */ ok(error == ERROR_INVALID_OPERATION || error == ERROR_INVALID_DATA || error == NVIDIA_HRESULT_FROM_WIN32(ERROR_INVALID_OPERATION), "Expected ERROR_INVALID_OPERATION, got error=%x\n", error); wglDeleteContext(gl3Ctx); } /* Try to create an OpenGL 3.0 context */ { int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0}; HGLRC gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs); if(gl3Ctx == NULL) { skip("Skipping the rest of the WGL_ARB_create_context test due to lack of OpenGL 3.0\n"); return; } wglDeleteContext(gl3Ctx); } /* 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 */ { HGLRC glCtx = wglCreateContext(hdc); int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0}; 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}; HGLRC gl3Ctx = pwglCreateContextAttribsARB(hdc, glCtx, attribs); ok(gl3Ctx != NULL, "Sharing of a display list between OpenGL 3.0 and OpenGL 1.x/2.x failed!\n"); if(gl3Ctx) wglDeleteContext(gl3Ctx); gl3Ctx = pwglCreateContextAttribsARB(hdc, glCtx, attribs_future); ok(gl3Ctx != NULL, "Sharing of a display list between a forward compatible OpenGL 3.0 context and OpenGL 1.x/2.x failed!\n"); if(gl3Ctx) wglDeleteContext(gl3Ctx); if(glCtx) wglDeleteContext(glCtx); } /* Try to create an OpenGL 3.0 context and test windowless rendering */ { HGLRC gl3Ctx; int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 3, WGL_CONTEXT_MINOR_VERSION_ARB, 0, 0}; BOOL res; gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs); ok(gl3Ctx != 0, "pwglCreateContextAttribsARB for a 3.0 context failed!\n"); /* OpenGL 3.0 allows offscreen rendering WITHOUT a drawable * Neither AMD or Nvidia support it at this point. The WGL_ARB_create_context specs also say that * it is hard because drivers use the HDC to enter the display driver and it sounds like they don't * expect drivers to ever offer it. */ res = wglMakeCurrent(0, gl3Ctx); ok(res == FALSE, "Wow, OpenGL 3.0 windowless rendering passed while it was expected not to!\n"); if(res) wglMakeCurrent(0, 0); if(gl3Ctx) wglDeleteContext(gl3Ctx); } } static void test_minimized(void) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND window; LONG style; HGLRC ctx; BOOL ret; HDC dc; window = CreateWindowA("static", "opengl32_test", WS_POPUP | WS_MINIMIZE, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!window, "Failed to create window, last error %#x.\n", GetLastError()); dc = GetDC(window); ok(!!dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(window, dc); DestroyWindow(window); return; } ret = SetPixelFormat(dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); style = GetWindowLongA(window, GWL_STYLE); ok(style & WS_MINIMIZE, "Window should be minimized, got style %#x.\n", style); ctx = wglCreateContext(dc); ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc, ctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); style = GetWindowLongA(window, GWL_STYLE); ok(style & WS_MINIMIZE, "window should be minimized, got style %#x.\n", style); ret = wglMakeCurrent(NULL, NULL); ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError()); ret = wglDeleteContext(ctx); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(window, dc); DestroyWindow(window); } static void test_window_dc(void) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND window; RECT vp, r; HGLRC ctx; BOOL ret; HDC dc; window = CreateWindowA("static", "opengl32_test", WS_OVERLAPPEDWINDOW, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!window, "Failed to create window, last error %#x.\n", GetLastError()); ShowWindow(window, SW_SHOW); dc = GetWindowDC(window); ok(!!dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(window, dc); DestroyWindow(window); return; } ret = SetPixelFormat(dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ctx = wglCreateContext(dc); ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc, ctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); GetClientRect(window, &r); glGetIntegerv(GL_VIEWPORT, (GLint *)&vp); ok(EqualRect(&r, &vp), "Viewport not equal to client rect.\n"); ret = wglMakeCurrent(NULL, NULL); ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError()); ret = wglDeleteContext(ctx); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(window, dc); DestroyWindow(window); } static void test_message_window(void) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND window; RECT vp, r; HGLRC ctx; BOOL ret; HDC dc; GLenum glerr; window = CreateWindowA("static", "opengl32_test", WS_OVERLAPPEDWINDOW, 0, 0, 100, 100, HWND_MESSAGE, 0, 0, 0); if (!window) { win_skip( "HWND_MESSAGE not supported\n" ); return; } dc = GetDC(window); ok(!!dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(window, dc); DestroyWindow(window); return; } ret = SetPixelFormat(dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ctx = wglCreateContext(dc); ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc, ctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); GetClientRect(window, &r); glGetIntegerv(GL_VIEWPORT, (GLint *)&vp); ok(EqualRect(&r, &vp), "Viewport not equal to client rect.\n"); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glClear, error %#x.\n", glerr); ret = SwapBuffers(dc); ok(ret, "Failed SwapBuffers, error %#x.\n", GetLastError()); ret = wglMakeCurrent(NULL, NULL); ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError()); ret = wglDeleteContext(ctx); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(window, dc); DestroyWindow(window); } static void test_destroy(HDC oldhdc) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND window; HGLRC ctx; BOOL ret; HDC dc; GLenum glerr; DWORD err; HGLRC oldctx = wglGetCurrentContext(); ok(!!oldctx, "Expected to find a valid current context.\n"); window = CreateWindowA("static", "opengl32_test", WS_POPUP, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!window, "Failed to create window, last error %#x.\n", GetLastError()); dc = GetDC(window); ok(!!dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(window, dc); DestroyWindow(window); return; } ret = SetPixelFormat(dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ctx = wglCreateContext(dc); ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc, ctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glClear, error %#x.\n", glerr); ret = SwapBuffers(dc); ok(ret, "Failed SwapBuffers, error %#x.\n", GetLastError()); ret = DestroyWindow(window); ok(ret, "Failed to destroy window, last error %#x.\n", GetLastError()); ok(wglGetCurrentContext() == ctx, "Wrong current context.\n"); SetLastError(0xdeadbeef); ret = wglMakeCurrent(dc, ctx); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior when making context current, ret %d, last error %#x.\n", ret, err); SetLastError(0xdeadbeef); ret = SwapBuffers(dc); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior with SwapBuffer, last error %#x.\n", err); ok(wglGetCurrentContext() == ctx, "Wrong current context.\n"); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glClear, error %#x.\n", glerr); SetLastError(0xdeadbeef); ret = SwapBuffers(dc); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior with SwapBuffer, last error %#x.\n", err); ret = wglMakeCurrent(NULL, NULL); ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError()); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_INVALID_OPERATION, "Failed glClear, error %#x.\n", glerr); SetLastError(0xdeadbeef); ret = SwapBuffers(dc); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior with SwapBuffer, last error %#x.\n", err); SetLastError(0xdeadbeef); ret = wglMakeCurrent(dc, ctx); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior when making context current, ret %d, last error %#x.\n", ret, err); ok(wglGetCurrentContext() == NULL, "Wrong current context.\n"); ret = wglMakeCurrent(oldhdc, oldctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); ok(wglGetCurrentContext() == oldctx, "Wrong current context.\n"); SetLastError(0xdeadbeef); ret = wglMakeCurrent(dc, ctx); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior when making context current, ret %d, last error %#x.\n", ret, err); ok(wglGetCurrentContext() == oldctx, "Wrong current context.\n"); ret = wglDeleteContext(ctx); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(window, dc); ret = wglMakeCurrent(oldhdc, oldctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); } static void test_destroy_read(HDC oldhdc) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND draw_window, read_window; HGLRC ctx; BOOL ret; HDC read_dc, draw_dc; GLenum glerr; DWORD err; HGLRC oldctx = wglGetCurrentContext(); ok(!!oldctx, "Expected to find a valid current context\n"); draw_window = CreateWindowA("static", "opengl32_test", WS_POPUP, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!draw_window, "Failed to create window, last error %#x.\n", GetLastError()); draw_dc = GetDC(draw_window); ok(!!draw_dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(draw_dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(draw_window, draw_dc); DestroyWindow(draw_window); return; } ret = SetPixelFormat(draw_dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); read_window = CreateWindowA("static", "opengl32_test", WS_POPUP, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!read_window, "Failed to create window, last error %#x.\n", GetLastError()); read_dc = GetDC(read_window); ok(!!draw_dc, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(read_dc, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(read_window, read_dc); DestroyWindow(read_window); ReleaseDC(draw_window, draw_dc); DestroyWindow(draw_window); return; } ret = SetPixelFormat(read_dc, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ctx = wglCreateContext(draw_dc); ok(!!ctx, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = pwglMakeContextCurrentARB(draw_dc, read_dc, ctx); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); glCopyPixels(0, 0, 640, 480, GL_COLOR); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glCopyPixel, error %#x.\n", glerr); ret = SwapBuffers(draw_dc); ok(ret, "Failed SwapBuffers, error %#x.\n", GetLastError()); ret = DestroyWindow(read_window); ok(ret, "Failed to destroy window, last error %#x.\n", GetLastError()); ok(wglGetCurrentContext() == ctx, "Wrong current context.\n"); if (0) /* Crashes on AMD on Windows */ { glCopyPixels(0, 0, 640, 480, GL_COLOR); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glCopyPixel, error %#x.\n", glerr); } glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_NO_ERROR, "Failed glClear, error %#x.\n", glerr); ret = SwapBuffers(draw_dc); ok(ret, "Failed SwapBuffers, error %#x.\n", GetLastError()); ret = wglMakeCurrent(NULL, NULL); ok(ret, "Failed to clear current context, last error %#x.\n", GetLastError()); if (0) /* This crashes with Nvidia drivers on Windows. */ { SetLastError(0xdeadbeef); ret = pwglMakeContextCurrentARB(draw_dc, read_dc, ctx); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior when making context current, ret %d, last error %#x.\n", ret, err); } ret = DestroyWindow(draw_window); ok(ret, "Failed to destroy window, last error %#x.\n", GetLastError()); glClear(GL_COLOR_BUFFER_BIT); glFinish(); glerr = glGetError(); ok(glerr == GL_INVALID_OPERATION, "Failed glClear, error %#x.\n", glerr); SetLastError(0xdeadbeef); ret = SwapBuffers(draw_dc); err = GetLastError(); ok(!ret && err == ERROR_INVALID_HANDLE, "Unexpected behavior with SwapBuffer, last error %#x.\n", err); SetLastError(0xdeadbeef); ret = pwglMakeContextCurrentARB(draw_dc, read_dc, ctx); err = GetLastError(); ok(!ret && (err == ERROR_INVALID_HANDLE || err == 0xc0070006), "Unexpected behavior when making context current, ret %d, last error %#x.\n", ret, err); ok(wglGetCurrentContext() == NULL, "Wrong current context.\n"); wglMakeCurrent(NULL, NULL); wglMakeCurrent(oldhdc, oldctx); ok(wglGetCurrentContext() == oldctx, "Wrong current context.\n"); SetLastError(0xdeadbeef); ret = pwglMakeContextCurrentARB(draw_dc, read_dc, ctx); err = GetLastError(); ok(!ret && (err == ERROR_INVALID_HANDLE || err == 0xc0070006), "Unexpected behavior when making context current, last error %#x.\n", err); ok(wglGetCurrentContext() == oldctx, "Wrong current context.\n"); ret = wglDeleteContext(ctx); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(read_window, read_dc); ReleaseDC(draw_window, draw_dc); wglMakeCurrent(oldhdc, oldctx); } static void test_swap_control(HDC oldhdc) { PIXELFORMATDESCRIPTOR pf_desc = { 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 */ }; int pixel_format; HWND window1, window2, old_parent; HGLRC ctx1, ctx2, oldctx; BOOL ret; HDC dc1, dc2; int interval; oldctx = wglGetCurrentContext(); ok(!!oldctx, "Expected to find a valid current context.\n"); window1 = CreateWindowA("static", "opengl32_test", WS_POPUP, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!window1, "Failed to create window1, last error %#x.\n", GetLastError()); dc1 = GetDC(window1); ok(!!dc1, "Failed to get DC.\n"); pixel_format = ChoosePixelFormat(dc1, &pf_desc); if (!pixel_format) { win_skip("Failed to find pixel format.\n"); ReleaseDC(window1, dc1); DestroyWindow(window1); return; } ret = SetPixelFormat(dc1, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ctx1 = wglCreateContext(dc1); ok(!!ctx1, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc1, ctx1); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); interval = pwglGetSwapIntervalEXT(); ok(interval == 1, "Expected default swap interval 1, got %d\n", interval); ret = pwglSwapIntervalEXT(0); ok(ret, "Failed to set swap interval to 0, last error %#x.\n", GetLastError()); interval = pwglGetSwapIntervalEXT(); ok(interval == 0, "Expected swap interval 0, got %d\n", interval); /* Check what interval we get on a second context on the same drawable.*/ ctx2 = wglCreateContext(dc1); ok(!!ctx2, "Failed to create GL context, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc1, ctx2); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); interval = pwglGetSwapIntervalEXT(); ok(interval == 0, "Expected swap interval 0, got %d\n", interval); /* A second window is created to see whether its swap interval was affected * by previous calls. */ window2 = CreateWindowA("static", "opengl32_test", WS_POPUP, 0, 0, 640, 480, 0, 0, 0, 0); ok(!!window2, "Failed to create window2, last error %#x.\n", GetLastError()); dc2 = GetDC(window2); ok(!!dc2, "Failed to get DC.\n"); ret = SetPixelFormat(dc2, pixel_format, &pf_desc); ok(ret, "Failed to set pixel format, last error %#x.\n", GetLastError()); ret = wglMakeCurrent(dc2, ctx1); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); /* Since the second window lacks the swap interval, this proves that the interval * is not global or shared among contexts. */ interval = pwglGetSwapIntervalEXT(); ok(interval == 1, "Expected default swap interval 1, got %d\n", interval); /* Test if setting the parent of a window resets the swap interval. */ ret = wglMakeCurrent(dc1, ctx1); ok(ret, "Failed to make context current, last error %#x.\n", GetLastError()); old_parent = SetParent(window1, window2); ok(!!old_parent, "Failed to make window1 a child of window2, last error %#x.\n", GetLastError()); interval = pwglGetSwapIntervalEXT(); ok(interval == 0, "Expected swap interval 0, got %d\n", interval); ret = wglDeleteContext(ctx1); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ret = wglDeleteContext(ctx2); ok(ret, "Failed to delete GL context, last error %#x.\n", GetLastError()); ReleaseDC(window1, dc1); DestroyWindow(window1); ReleaseDC(window2, dc2); DestroyWindow(window2); wglMakeCurrent(oldhdc, oldctx); } START_TEST(opengl) { HWND hwnd; 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 */ }; hwnd = CreateWindowA("static", "Title", WS_OVERLAPPEDWINDOW, 10, 10, 200, 200, NULL, NULL, NULL, NULL); ok(hwnd != NULL, "err: %d\n", GetLastError()); if (hwnd) { HDC hdc; int iPixelFormat, res; HGLRC hglrc; DWORD error; ShowWindow(hwnd, SW_SHOW); hdc = GetDC(hwnd); iPixelFormat = ChoosePixelFormat(hdc, &pfd); if(iPixelFormat == 0) { /* This should never happen as ChoosePixelFormat always returns a closest match, but currently this fails in Wine if we don't have glX */ win_skip("Unable to find pixel format.\n"); goto cleanup; } /* We shouldn't be able to create a context from a hdc which doesn't have a pixel format set */ hglrc = wglCreateContext(hdc); ok(hglrc == NULL, "wglCreateContext should fail when no pixel format has been set, but it passed\n"); error = GetLastError(); ok(error == ERROR_INVALID_PIXEL_FORMAT, "expected ERROR_INVALID_PIXEL_FORMAT for wglCreateContext without a pixelformat set, but received %#x\n", error); res = SetPixelFormat(hdc, iPixelFormat, &pfd); ok(res, "SetPixelformat failed: %x\n", GetLastError()); test_bitmap_rendering( TRUE ); test_bitmap_rendering( FALSE ); test_minimized(); test_window_dc(); test_message_window(); test_dc(hwnd, hdc); ok(!glGetString(GL_RENDERER) && !glGetString(GL_VERSION) && !glGetString(GL_VENDOR), "Expected NULL string when no active context is set\n"); hglrc = wglCreateContext(hdc); res = wglMakeCurrent(hdc, hglrc); ok(res, "wglMakeCurrent failed!\n"); if(res) { trace("OpenGL renderer: %s\n", glGetString(GL_RENDERER)); trace("OpenGL driver version: %s\n", glGetString(GL_VERSION)); trace("OpenGL vendor: %s\n", glGetString(GL_VENDOR)); } else { skip("Skipping OpenGL tests without a current context\n"); return; } /* Initialisation of WGL functions depends on an implicit WGL context. For this reason we can't load them before making * any WGL call :( On Wine this would work but not on real Windows because there can be different implementations (software, ICD, MCD). */ init_functions(); test_getprocaddress(hdc); test_deletecontext(hwnd, hdc); test_makecurrent(hdc); /* The lack of wglGetExtensionsStringARB in general means broken software rendering or the lack of decent OpenGL support, skip tests in such cases */ if (!pwglGetExtensionsStringARB) { win_skip("wglGetExtensionsStringARB is not available\n"); return; } test_choosepixelformat(); test_debug_message_callback(); test_setpixelformat(hdc); test_destroy(hdc); test_sharelists(hdc); test_colorbits(hdc); test_gdi_dbuf(hdc); test_acceleration(hdc); wgl_extensions = pwglGetExtensionsStringARB(hdc); if(wgl_extensions == NULL) skip("Skipping opengl32 tests because this OpenGL implementation doesn't support WGL extensions!\n"); if(strstr(wgl_extensions, "WGL_ARB_create_context")) test_opengl3(hdc); if(strstr(wgl_extensions, "WGL_ARB_make_current_read")) { test_make_current_read(hdc); test_destroy_read(hdc); } else skip("WGL_ARB_make_current_read not supported, skipping test\n"); if(strstr(wgl_extensions, "WGL_ARB_pbuffer")) test_pbuffers(hdc); else skip("WGL_ARB_pbuffer not supported, skipping pbuffer test\n"); if(strstr(wgl_extensions, "WGL_EXT_swap_control")) test_swap_control(hdc); else skip("WGL_EXT_swap_control not supported, skipping test\n"); cleanup: ReleaseDC(hwnd, hdc); DestroyWindow(hwnd); } }