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Sweden-Number/dlls/opengl32/tests/opengl.c

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/*
* 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 <windows.h>
#include <wingdi.h>
#include "wine/test.h"
#include "wine/wgl.h"
#define MAX_FORMATS 256
typedef void* HPBUFFERARB;
/* WGL_ARB_create_context */
static HGLRC (WINAPI *pwglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext, const int *attribList);
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
#define WGL_CONTEXT_FLAGS_ARB 0x2094
/* Flags for WGL_CONTEXT_FLAGS_ARB */
#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
/* 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 */
#define WGL_ACCELERATION_ARB 0x2003
#define WGL_COLOR_BITS_ARB 0x2014
#define WGL_RED_BITS_ARB 0x2015
#define WGL_GREEN_BITS_ARB 0x2017
#define WGL_BLUE_BITS_ARB 0x2019
#define WGL_ALPHA_BITS_ARB 0x201B
#define WGL_SUPPORT_GDI_ARB 0x200F
#define WGL_DOUBLE_BUFFER_ARB 0x2011
#define WGL_NO_ACCELERATION_ARB 0x2025
#define WGL_GENERIC_ACCELERATION_ARB 0x2026
#define WGL_FULL_ACCELERATION_ARB 0x2027
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 */
#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
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);
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)
#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<nFormats; i++)
{
if(iFormats[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)
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 == 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 test for offscreen pixelformat skipped as no offscreen-only format with pbuffer capabilities has been found\n");
}
static int test_pfd(const PIXELFORMATDESCRIPTOR *pfd)
{
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 );
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 */
};
ok( test_pfd(&pfd), "Simple pfd failed\n" );
pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE failed\n" );
pfd.dwFlags |= PFD_STEREO_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_STEREO_DONTCARE;
pfd.cColorBits = 32;
ok( test_pfd(&pfd), "Simple pfd failed\n" );
pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE failed\n" );
pfd.dwFlags |= PFD_STEREO_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_STEREO_DONTCARE;
pfd.cColorBits = 0;
pfd.cAlphaBits = 8;
ok( test_pfd(&pfd), "Simple pfd failed\n" );
pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE failed\n" );
pfd.dwFlags |= PFD_STEREO_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_STEREO_DONTCARE;
pfd.cAlphaBits = 0;
pfd.cStencilBits = 8;
ok( test_pfd(&pfd), "Simple pfd failed\n" );
pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE failed\n" );
pfd.dwFlags |= PFD_STEREO_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_STEREO_DONTCARE;
pfd.cStencilBits = 0;
pfd.cAuxBuffers = 1;
ok( test_pfd(&pfd), "Simple pfd failed\n" );
pfd.dwFlags |= PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE failed\n" );
pfd.dwFlags |= PFD_STEREO_DONTCARE;
ok( test_pfd(&pfd), "PFD_DOUBLEBUFFER_DONTCARE|PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_DOUBLEBUFFER_DONTCARE;
ok( test_pfd(&pfd), "PFD_STEREO_DONTCARE failed\n" );
pfd.dwFlags &= ~PFD_STEREO_DONTCARE;
pfd.cAuxBuffers = 0;
}
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 );
}
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[sizeof(iAttribList)/sizeof(iAttribList[0])];
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,
sizeof(iAttribList)/sizeof(iAttribList[0]), 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[sizeof(iAttribList)/sizeof(iAttribList[0])];
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,
sizeof(iAttribList)/sizeof(iAttribList[0]), 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[sizeof(iAttribList)/sizeof(iAttribList[0])];
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,
sizeof(iAttribList)/sizeof(iAttribList[0]), 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 ||
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 == 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_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);
}
}
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