--- /dev/null
+/*
+ * 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)(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);
+
+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_sharelists(HDC winhdc)
+{
+ HGLRC hglrc1, hglrc2, hglrc3;
+ int 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;
+ DWORD error;
+
+ 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, "wglMakeCurrent succeeded\n" );
+ error = GetLastError();
+ ok( error == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", error);
+
+ 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" );
+
+ SetLastError( 0xdeadbeef );
+ ret = wglMakeCurrent( NULL, NULL );
+ ok( !ret, "wglMakeCurrent succeeded\n" );
+ error = GetLastError();
+ ok( error == ERROR_INVALID_HANDLE, "Expected ERROR_INVALID_HANDLE, got error=%x\n", error);
+
+ 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;
+ int 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;
+ int 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_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;
+ 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 ||
+ 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;
+ gl3Ctx = pwglCreateContextAttribsARB(hdc, (HGLRC)0xdeadbeef, 0);
+ todo_wine ok(gl3Ctx == 0, "pwglCreateContextAttribsARB using an invalid shareList passed\n");
+ error = GetLastError();
+ /* The Nvidia implementation seems to return hresults instead of win32 error codes */
+ todo_wine 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);
+ }
+}
+
+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)
+ {
+ win_skip("wglGetExtensionsStringARB is not available\n");
+ return;
+ }
+
+ test_makecurrent(hdc);
+ test_setpixelformat(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);
+ 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");
+
+cleanup:
+ ReleaseDC(hwnd, hdc);
+ DestroyWindow(hwnd);
+ }
+}
projects / reactos.git / commitdiff