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

628 lines
22 KiB
C

/*
* 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"
const unsigned char * WINAPI glGetString(unsigned int);
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_VERSION 0x1F02
#define MAX_FORMATS 256
typedef void* HPBUFFERARB;
/* WGL_ARB_create_context */
HGLRC (WINAPI *pwglCreateContextAttribsARB)(HDC hDC, HGLRC hShareContext, const int *attribList);
/* GetLastError */
#define ERROR_INVALID_VERSION_ARB 0x2095
#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)();
/* WGL_ARB_pixel_format */
#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
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);
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)
#undef GET_PROC
}
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;
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 == 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, 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 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 = CreateWindow("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 = CreateWindow("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_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" );
}
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;
int res;
int iPixelFormat = 0;
if (!pwglChoosePixelFormatARB)
{
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;
int res;
if (!pwglGetPixelFormatAttribivARB)
{
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_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;
}
}
static void test_opengl3(HDC hdc)
{
/* Try to create a context using an invalid OpenGL version namely 0.x */
{
HGLRC gl3Ctx;
int attribs[] = {WGL_CONTEXT_MAJOR_VERSION_ARB, 0, 0};
gl3Ctx = pwglCreateContextAttribsARB(hdc, 0, attribs);
ok(gl3Ctx == 0, "wglCreateContextAttribs with major version=0 should fail!\n");
if(gl3Ctx)
wglDeleteContext(gl3Ctx);
}
/* 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;
gl3Ctx = pwglCreateContextAttribsARB((HDC)0xdeadbeef, 0, 0);
ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid HDC passed\n");
error = GetLastError();
todo_wine ok(error == ERROR_DC_NOT_FOUND, "Expected ERROR_DC_NOT_FOUND, got error=%x\n", error);
wglDeleteContext(gl3Ctx);
}
/* Try to pass an invalid shareList */
{
HGLRC gl3Ctx;
DWORD error;
gl3Ctx = pwglCreateContextAttribsARB(hdc, (HGLRC)0xdeadbeef, 0);
ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid shareList passed\n");
error = GetLastError();
todo_wine ok(error == 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 */
/* NOTE: Nvidia's 177.89 beta drivers don't allow this yet */
res = wglMakeCurrent(0, gl3Ctx);
todo_wine ok(res == TRUE, "OpenGL 3.0 should allow windowless rendering, but the test failed!\n");
if(res)
wglMakeCurrent(0, 0);
if(gl3Ctx)
wglDeleteContext(gl3Ctx);
}
}
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 = CreateWindow("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_dc(hwnd, hdc);
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();
/* The lack of wglGetExtensionsStringARB in general means broken software rendering or the lack of decent OpenGL support, skip tests in such cases */
if (!pwglGetExtensionsStringARB)
{
skip("wglGetExtensionsStringARB is not available\n");
return;
}
test_makecurrent(hdc);
test_setpixelformat(hdc);
test_colorbits(hdc);
test_gdi_dbuf(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);
else
trace("WGL_ARB_make_current_read not supported, skipping test\n");
if(strstr(wgl_extensions, "WGL_ARB_pbuffer"))
test_pbuffers(hdc);
else
trace("WGL_ARB_pbuffer not supported, skipping pbuffer test\n");
cleanup:
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
}
}