diff options
Diffstat (limited to 'miniport/qxl.c')
| -rw-r--r-- | miniport/qxl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/miniport/qxl.c b/miniport/qxl.c index 55e55d3..58ba15e 100644 --- a/miniport/qxl.c +++ b/miniport/qxl.c @@ -469,6 +469,8 @@ VP_STATUS FillVidModeInfo(VIDEO_MODE_INFORMATION *pMode, ULONG xres, ULONG yres, /* Fills given video mode structure */ VP_STATUS FillVidModeInfo(VIDEO_MODE_INFORMATION *pMode, ULONG xres, ULONG yres, ULONG bpp, ULONG index) { + unsigned bytes_pp = (bpp + 7) / 8; + if (xres <= 0 || yres <= 0) return ERROR_INVALID_DATA; @@ -479,7 +481,7 @@ VP_STATUS FillVidModeInfo(VIDEO_MODE_INFORMATION *pMode, ULONG xres, ULONG yres, pMode->ModeIndex = index; pMode->VisScreenWidth = xres; pMode->VisScreenHeight = yres; - pMode->ScreenStride = xres * ((bpp + 7) / 8); + pMode->ScreenStride = (xres * bytes_pp + 3) & ~0x3; /* Pixman requirement */ pMode->NumberOfPlanes = 1; pMode->BitsPerPlane = bpp; pMode->Frequency = 60; |