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

364 lines
13 KiB
C

/*
* Some tests for OpenGL functions
*
* Copyright (C) 2007 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"
#define MAX_FORMATS 256
typedef void* HPBUFFERARB;
/* 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_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 capabilites.
*/
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(void)
{
int res = 0;
int pf;
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 */
res = SetPixelFormat(hdc, pf, &pfd);
ok(res == 0, "SetPixelFormat on main device context should fail\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;
/* 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;
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");
}
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;
ShowWindow(hwnd, SW_SHOW);
hdc = GetDC(hwnd);
iPixelFormat = ChoosePixelFormat(hdc, &pfd);
ok(iPixelFormat > 0, "No pixelformat found!\n"); /* This should never happen as ChoosePixelFormat always returns a closest match */
res = SetPixelFormat(hdc, iPixelFormat, &pfd);
ok(res, "SetPixelformat failed: %x\n", GetLastError());
hglrc = wglCreateContext(hdc);
res = wglMakeCurrent(hdc, hglrc);
ok(res, "wglMakeCurrent failed!\n");
init_functions();
test_setpixelformat();
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_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");
DestroyWindow(hwnd);
}
}