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wgl: Fix wglGetPixelFormatAttribiv bug.

This commit is contained in:
Roderick Colenbrander 2006-12-27 22:01:37 +01:00 committed by Alexandre Julliard
parent 74b85c8b38
commit 8da7b13343
1 changed files with 10 additions and 1 deletions
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11
dlls/winex11.drv/opengl.c
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@ -2572,7 +2572,16 @@ static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelF
FIXME("unsupported %x WGL Attribute\n", curWGLAttr);
}
if (0 != curGLXAttr) {
/* Retrieve a GLX FBConfigAttrib when the attribute to query is valid and
* iPixelFormat != 0. When iPixelFormat is 0 the only value which makes
* sense to query is WGL_NUMBER_PIXEL_FORMATS_ARB.
*
* TODO: properly test the behavior of wglGetPixelFormatAttrib*v on Windows
* and check which options can work using iPixelFormat=0 and which not.
* A problem would be that this function is an extension. This would
* mean that the behavior could differ between different vendors (ATI, Nvidia, ..).
*/
if (0 != curGLXAttr && iPixelFormat != 0) {
/* Check if the format is supported by checking if iPixelFormat isn't larger than the max number of
* supported WGLFormats and also check if the GLX fmt_index is valid. */
if((iPixelFormat > 0) && ((iPixelFormat > nWGLFormats) || (fmt_index > nCfgs))) goto pix_error;