/* FIXME: suboptimal */
static
struct wgl_dc_data*
-get_dc_data(HDC hdc)
+get_dc_data_ex(HDC hdc, INT format, UINT size, PIXELFORMATDESCRIPTOR *descr)
{
HWND hwnd = NULL;
struct wgl_dc_data* data;
data->icd_data = IntGetIcdData(hdc);
/* Get the number of available formats for this DC once and for all */
if(data->icd_data)
- data->nb_icd_formats = data->icd_data->DrvDescribePixelFormat(hdc, 0, 0, NULL);
+ data->nb_icd_formats = data->icd_data->DrvDescribePixelFormat(hdc, format, size, descr);
else
data->nb_icd_formats = 0;
TRACE("ICD %S has %u formats for HDC %x.\n", data->icd_data ? data->icd_data->DriverName : NULL, data->nb_icd_formats, hdc);
return data;
}
+static
+struct wgl_dc_data*
+get_dc_data(HDC hdc)
+{
+ return get_dc_data_ex(hdc, 0, 0, NULL);
+}
+
void release_dc_data(struct wgl_dc_data* dc_data)
{
(void)dc_data;
INT WINAPI wglDescribePixelFormat(HDC hdc, INT format, UINT size, PIXELFORMATDESCRIPTOR *descr )
{
- struct wgl_dc_data* dc_data = get_dc_data(hdc);
+ struct wgl_dc_data* dc_data = get_dc_data_ex(hdc, format, size, descr);
INT ret;
if(!dc_data)
release_dc_data(dc_data);
return ret;
}
- if((format == 0) || (format > ret) || (size != sizeof(*descr)))
+ if((format <= 0) || (format > ret) || (size < sizeof(*descr)))
{
release_dc_data(dc_data);
SetLastError(ERROR_INVALID_PARAMETER);