389 lines
14 KiB
C
389 lines
14 KiB
C
/*
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* Some tests for OpenGL functions
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*
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* Copyright (C) 2007 Roderick Colenbrander
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <windows.h>
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#include <wingdi.h>
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#include "wine/test.h"
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#define MAX_FORMATS 256
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typedef void* HPBUFFERARB;
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/* WGL_ARB_extensions_string */
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static const char* (WINAPI *pwglGetExtensionsStringARB)(HDC);
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static int (WINAPI *pwglReleasePbufferDCARB)(HPBUFFERARB, HDC);
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/* WGL_ARB_make_current_read */
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static BOOL (WINAPI *pwglMakeContextCurrentARB)(HDC hdraw, HDC hread, HGLRC hglrc);
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static HDC (WINAPI *pwglGetCurrentReadDCARB)();
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/* WGL_ARB_pixel_format */
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#define WGL_COLOR_BITS_ARB 0x2014
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#define WGL_RED_BITS_ARB 0x2015
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#define WGL_GREEN_BITS_ARB 0x2017
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#define WGL_BLUE_BITS_ARB 0x2019
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#define WGL_ALPHA_BITS_ARB 0x201B
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#define WGL_SUPPORT_GDI_ARB 0x200F
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#define WGL_DOUBLE_BUFFER_ARB 0x2011
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static BOOL (WINAPI *pwglChoosePixelFormatARB)(HDC, const int *, const FLOAT *, UINT, int *, UINT *);
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static BOOL (WINAPI *pwglGetPixelFormatAttribivARB)(HDC, int, int, UINT, const int *, int *);
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/* WGL_ARB_pbuffer */
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#define WGL_DRAW_TO_PBUFFER_ARB 0x202D
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static HPBUFFERARB* (WINAPI *pwglCreatePbufferARB)(HDC, int, int, int, const int *);
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static HDC (WINAPI *pwglGetPbufferDCARB)(HPBUFFERARB);
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static const char* wgl_extensions = NULL;
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static void init_functions(void)
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{
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#define GET_PROC(func) \
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p ## func = (void*)wglGetProcAddress(#func); \
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if(!p ## func) \
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trace("wglGetProcAddress(%s) failed\n", #func);
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/* WGL_ARB_extensions_string */
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GET_PROC(wglGetExtensionsStringARB)
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/* WGL_ARB_make_current_read */
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GET_PROC(wglMakeContextCurrentARB);
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GET_PROC(wglGetCurrentReadDCARB);
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/* WGL_ARB_pixel_format */
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GET_PROC(wglChoosePixelFormatARB)
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GET_PROC(wglGetPixelFormatAttribivARB)
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/* WGL_ARB_pbuffer */
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GET_PROC(wglCreatePbufferARB)
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GET_PROC(wglGetPbufferDCARB)
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GET_PROC(wglReleasePbufferDCARB)
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#undef GET_PROC
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}
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static void test_pbuffers(HDC hdc)
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{
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const int iAttribList[] = { WGL_DRAW_TO_PBUFFER_ARB, 1, /* Request pbuffer support */
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0 };
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int iFormats[MAX_FORMATS];
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unsigned int nOnscreenFormats;
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unsigned int nFormats;
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int i, res;
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int iPixelFormat = 0;
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nOnscreenFormats = DescribePixelFormat(hdc, 0, 0, NULL);
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/* When you want to render to a pbuffer you need to call wglGetPbufferDCARB which
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* returns a 'magic' HDC which you can then pass to wglMakeCurrent to switch rendering
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* to the pbuffer. Below some tests are performed on what happens if you use standard WGL calls
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* on this 'magic' HDC for both a pixelformat that support onscreen and offscreen rendering
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* and a pixelformat that's only available for offscreen rendering (this means that only
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* wglChoosePixelFormatARB and friends know about the format.
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*
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* The first thing we need are pixelformats with pbuffer capabilites.
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*/
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res = pwglChoosePixelFormatARB(hdc, iAttribList, NULL, MAX_FORMATS, iFormats, &nFormats);
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if(res <= 0)
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{
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skip("No pbuffer compatible formats found while WGL_ARB_pbuffer is supported\n");
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return;
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}
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trace("nOnscreenFormats: %d\n", nOnscreenFormats);
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trace("Total number of pbuffer capable pixelformats: %d\n", nFormats);
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/* Try to select an onscreen pixelformat out of the list */
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for(i=0; i < nFormats; i++)
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{
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/* Check if the format is onscreen, if it is choose it */
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if(iFormats[i] <= nOnscreenFormats)
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{
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iPixelFormat = iFormats[i];
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trace("Selected iPixelFormat=%d\n", iPixelFormat);
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break;
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}
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}
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/* A video driver supports a large number of onscreen and offscreen pixelformats.
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* The traditional WGL calls only see a subset of the whole pixelformat list. First
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* of all they only see the onscreen formats (the offscreen formats are at the end of the
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* pixelformat list) and second extended pixelformat capabilities are hidden from the
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* standard WGL calls. Only functions that depend on WGL_ARB_pixel_format can see them.
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*
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* Below we check if the pixelformat is also supported onscreen.
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*/
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if(iPixelFormat != 0)
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{
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HDC pbuffer_hdc;
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HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, NULL);
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if(!pbuffer)
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skip("Pbuffer creation failed!\n");
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/* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */
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pbuffer_hdc = pwglGetPbufferDCARB(pbuffer);
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res = GetPixelFormat(pbuffer_hdc);
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ok(res == iPixelFormat, "Unexpected iPixelFormat=%d returned by GetPixelFormat for format %d\n", res, iPixelFormat);
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trace("iPixelFormat returned by GetPixelFormat: %d\n", res);
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trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat);
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pwglReleasePbufferDCARB(pbuffer, hdc);
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}
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else skip("Pbuffer test for onscreen pixelformat skipped as no onscreen format with pbuffer capabilities have been found\n");
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/* Search for a real offscreen format */
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for(i=0, iPixelFormat=0; i<nFormats; i++)
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{
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if(iFormats[i] > nOnscreenFormats)
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{
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iPixelFormat = iFormats[i];
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trace("Selected iPixelFormat: %d\n", iPixelFormat);
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break;
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}
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}
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if(iPixelFormat != 0)
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{
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HDC pbuffer_hdc;
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HPBUFFERARB pbuffer = pwglCreatePbufferARB(hdc, iPixelFormat, 640 /* width */, 480 /* height */, NULL);
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if(!pbuffer)
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skip("Pbuffer creation failed!\n");
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/* Test the pixelformat returned by GetPixelFormat on a pbuffer as the behavior is not clear */
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pbuffer_hdc = pwglGetPbufferDCARB(pbuffer);
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res = GetPixelFormat(pbuffer_hdc);
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ok(res == 1, "Unexpected iPixelFormat=%d (1 expected) returned by GetPixelFormat for offscreen format %d\n", res, iPixelFormat);
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trace("iPixelFormat returned by GetPixelFormat: %d\n", res);
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trace("PixelFormat from wglChoosePixelFormatARB: %d\n", iPixelFormat);
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pwglReleasePbufferDCARB(pbuffer, hdc);
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}
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else skip("Pbuffer test for offscreen pixelformat skipped as no offscreen-only format with pbuffer capabilities has been found\n");
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}
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static void test_setpixelformat(void)
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{
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int res = 0;
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int pf;
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PIXELFORMATDESCRIPTOR pfd = {
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sizeof(PIXELFORMATDESCRIPTOR),
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1, /* version */
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PFD_DRAW_TO_WINDOW |
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PFD_SUPPORT_OPENGL |
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PFD_DOUBLEBUFFER,
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PFD_TYPE_RGBA,
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24, /* 24-bit color depth */
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0, 0, 0, 0, 0, 0, /* color bits */
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0, /* alpha buffer */
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0, /* shift bit */
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0, /* accumulation buffer */
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0, 0, 0, 0, /* accum bits */
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32, /* z-buffer */
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0, /* stencil buffer */
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0, /* auxiliary buffer */
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PFD_MAIN_PLANE, /* main layer */
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0, /* reserved */
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0, 0, 0 /* layer masks */
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};
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HDC hdc = GetDC(0);
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ok(hdc != 0, "GetDC(0) failed!\n");
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/* This should pass even on the main device context */
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pf = ChoosePixelFormat(hdc, &pfd);
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ok(pf != 0, "ChoosePixelFormat failed on main device context\n");
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/* SetPixelFormat on the main device context 'X root window' should fail */
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res = SetPixelFormat(hdc, pf, &pfd);
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ok(res == 0, "SetPixelFormat on main device context should fail\n");
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}
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static void test_colorbits(HDC hdc)
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{
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const int iAttribList[] = { WGL_COLOR_BITS_ARB, WGL_RED_BITS_ARB, WGL_GREEN_BITS_ARB,
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WGL_BLUE_BITS_ARB, WGL_ALPHA_BITS_ARB };
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int iAttribRet[sizeof(iAttribList)/sizeof(iAttribList[0])];
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const int iAttribs[] = { WGL_ALPHA_BITS_ARB, 1, 0 };
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unsigned int nFormats;
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int res;
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int iPixelFormat = 0;
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/* We need a pixel format with at least one bit of alpha */
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res = pwglChoosePixelFormatARB(hdc, iAttribs, NULL, 1, &iPixelFormat, &nFormats);
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if(res == FALSE || nFormats == 0)
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{
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skip("No suitable pixel formats found\n");
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return;
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}
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res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0,
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sizeof(iAttribList)/sizeof(iAttribList[0]), iAttribList, iAttribRet);
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if(res == FALSE)
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{
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skip("wglGetPixelFormatAttribivARB failed\n");
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return;
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}
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iAttribRet[1] += iAttribRet[2]+iAttribRet[3]+iAttribRet[4];
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ok(iAttribRet[0] == iAttribRet[1], "WGL_COLOR_BITS_ARB (%d) does not equal R+G+B+A (%d)!\n",
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iAttribRet[0], iAttribRet[1]);
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}
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static void test_gdi_dbuf(HDC hdc)
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{
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const int iAttribList[] = { WGL_SUPPORT_GDI_ARB, WGL_DOUBLE_BUFFER_ARB };
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int iAttribRet[sizeof(iAttribList)/sizeof(iAttribList[0])];
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unsigned int nFormats;
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int iPixelFormat;
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int res;
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nFormats = DescribePixelFormat(hdc, 0, 0, NULL);
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for(iPixelFormat = 1;iPixelFormat <= nFormats;iPixelFormat++)
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{
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res = pwglGetPixelFormatAttribivARB(hdc, iPixelFormat, 0,
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sizeof(iAttribList)/sizeof(iAttribList[0]), iAttribList,
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iAttribRet);
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ok(res!=FALSE, "wglGetPixelFormatAttribivARB failed for pixel format %d\n", iPixelFormat);
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if(res == FALSE)
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continue;
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ok(!(iAttribRet[0] && iAttribRet[1]), "GDI support and double buffering on pixel format %d\n", iPixelFormat);
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}
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}
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static void test_make_current_read(HDC hdc)
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{
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int res;
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HDC hread;
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HGLRC hglrc = wglCreateContext(hdc);
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if(!hglrc)
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{
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skip("wglCreateContext failed!\n");
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return;
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}
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res = wglMakeCurrent(hdc, hglrc);
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if(!res)
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{
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skip("wglMakeCurrent failed!\n");
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return;
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}
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/* Test what wglGetCurrentReadDCARB does for wglMakeCurrent as the spec doesn't mention it */
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hread = pwglGetCurrentReadDCARB();
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trace("hread %p, hdc %p\n", hread, hdc);
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ok(hread == hdc, "wglGetCurrentReadDCARB failed for standard wglMakeCurrent\n");
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pwglMakeContextCurrentARB(hdc, hdc, hglrc);
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hread = pwglGetCurrentReadDCARB();
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ok(hread == hdc, "wglGetCurrentReadDCARB failed for wglMakeContextCurrent\n");
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}
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static void test_dc(HWND hwnd, HDC hdc)
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{
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int pf1, pf2;
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HDC hdc2;
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/* Get another DC and make sure it has the same pixel format */
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hdc2 = GetDC(hwnd);
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if(hdc != hdc2)
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{
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pf1 = GetPixelFormat(hdc);
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pf2 = GetPixelFormat(hdc2);
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ok(pf1 == pf2, "Second DC does not have the same format (%d != %d)\n", pf1, pf2);
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}
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else
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skip("Could not get a different DC for the window\n");
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if(hdc2)
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{
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ReleaseDC(hwnd, hdc2);
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hdc2 = NULL;
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}
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}
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START_TEST(opengl)
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{
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HWND hwnd;
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PIXELFORMATDESCRIPTOR pfd = {
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sizeof(PIXELFORMATDESCRIPTOR),
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1, /* version */
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PFD_DRAW_TO_WINDOW |
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PFD_SUPPORT_OPENGL |
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PFD_DOUBLEBUFFER,
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PFD_TYPE_RGBA,
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24, /* 24-bit color depth */
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0, 0, 0, 0, 0, 0, /* color bits */
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0, /* alpha buffer */
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0, /* shift bit */
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0, /* accumulation buffer */
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0, 0, 0, 0, /* accum bits */
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32, /* z-buffer */
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0, /* stencil buffer */
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0, /* auxiliary buffer */
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PFD_MAIN_PLANE, /* main layer */
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0, /* reserved */
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0, 0, 0 /* layer masks */
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};
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hwnd = CreateWindow("static", "Title", WS_OVERLAPPEDWINDOW,
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10, 10, 200, 200, NULL, NULL, NULL, NULL);
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ok(hwnd != NULL, "err: %d\n", GetLastError());
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if (hwnd)
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{
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HDC hdc;
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int iPixelFormat, res;
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HGLRC hglrc;
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ShowWindow(hwnd, SW_SHOW);
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hdc = GetDC(hwnd);
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iPixelFormat = ChoosePixelFormat(hdc, &pfd);
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ok(iPixelFormat > 0, "No pixelformat found!\n"); /* This should never happen as ChoosePixelFormat always returns a closest match */
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res = SetPixelFormat(hdc, iPixelFormat, &pfd);
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ok(res, "SetPixelformat failed: %x\n", GetLastError());
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test_dc(hwnd, hdc);
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hglrc = wglCreateContext(hdc);
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res = wglMakeCurrent(hdc, hglrc);
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ok(res, "wglMakeCurrent failed!\n");
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init_functions();
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test_setpixelformat();
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test_colorbits(hdc);
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test_gdi_dbuf(hdc);
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wgl_extensions = pwglGetExtensionsStringARB(hdc);
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if(wgl_extensions == NULL) skip("Skipping opengl32 tests because this OpenGL implementation doesn't support WGL extensions!\n");
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if(strstr(wgl_extensions, "WGL_ARB_make_current_read"))
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test_make_current_read(hdc);
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else
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trace("WGL_ARB_make_current_read not supported, skipping test\n");
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if(strstr(wgl_extensions, "WGL_ARB_pbuffer"))
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test_pbuffers(hdc);
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else
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trace("WGL_ARB_pbuffer not supported, skipping pbuffer test\n");
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DestroyWindow(hwnd);
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}
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}
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