reactos/modules/rostests/apitests/opengl32/sw_extensions.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: BSD - See COPYING.ARM in the top level directory
* PURPOSE: Tests extensions exposed by the software implementation
* PROGRAMMERS: J<EFBFBD>r<EFBFBD>me Gardou
*/
#include <windows.h>
#include <wingdi.h>
#include <GL/gl.h>
#include "wine/test.h"
START_TEST(sw_extensions)
{
BITMAPINFO biDst;
HDC hdcDst = CreateCompatibleDC(0);
HBITMAP bmpDst, bmpOld;
INT nFormats, iPixelFormat, res, i;
PIXELFORMATDESCRIPTOR pfd;
const char* output;
HGLRC Context;
UINT *dstBuffer = NULL;
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);
bmpOld = SelectObject(hdcDst, bmpDst);
/* Choose a pixel format */
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 == 32) &&
(pfd.cAlphaBits == 8) )
{
iPixelFormat = i;
break;
}
}
ok(pfd.dwFlags & PFD_GENERIC_FORMAT, "We found a pixel format for drawing to bitmap which is not generic !\n");
ok (iPixelFormat >= 1 && iPixelFormat <= nFormats, "Could not find a suitable pixel format.\n");
res = SetPixelFormat(hdcDst, iPixelFormat, &pfd);
ok (res != 0, "SetPixelFormat failed.\n");
Context = wglCreateContext(hdcDst);
ok(Context != NULL, "We failed to create a GL context.\n");
wglMakeCurrent(hdcDst, Context);
/* Get the version */
output = (const char*)glGetString(GL_VERSION);
ok(strcmp(output, "1.1.0") == 0, "Expected version 1.1.0, got \"%s\".\n", output);
/* Get the extensions list */
output = (const char*)glGetString(GL_EXTENSIONS);
trace("GL extensions are %s.\n", output);
ok (strlen(output) == strlen("GL_WIN_swap_hint GL_EXT_bgra GL_EXT_paletted_texture"), "Wrong extension list : \"%s\".\n", output);
ok(strstr(output, "GL_WIN_swap_hint") != NULL, "GL_WIN_swap_hint extension is not present.\n");
ok(strstr(output, "GL_EXT_bgra") != NULL, "GL_EXT_bgra extension is not present.\n");
ok(strstr(output, "GL_EXT_paletted_texture") != NULL, "GL_EXT_paletted_texture extension is not present.\n");
/* cleanup */
wglDeleteContext(Context);
SelectObject(hdcDst, bmpOld);
DeleteDC(hdcDst);
}