[PATCH 1/6] ddraw: Use the correct height when calculating the linear size in ddraw_surface_init().
Henri Verbeet
hverbeet at codeweavers.com
Tue Feb 9 14:29:55 CST 2016
This fixes a regression introduced by commit
7d45318aeac41e2efabb9ddfbf95ecbea103e67d.
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
dlls/ddraw/surface.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index 3286b97..ff2c85b 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -6292,10 +6292,15 @@ void ddraw_surface_init(struct ddraw_surface *surface, struct ddraw *ddraw,
if (format_is_compressed(&desc->u4.ddpfPixelFormat))
{
+ unsigned int texture_level, row_pitch;
+
+ texture_level = desc->ddsCaps.dwCaps & DDSCAPS_MIPMAP ? sub_resource_idx % desc->u2.dwMipMapCount : 0;
+ row_pitch = wined3d_surface_get_pitch(wined3d_surface);
+
if (desc->dwFlags & DDSD_LPSURFACE)
desc->u1.dwLinearSize = ~0u;
else
- desc->u1.dwLinearSize = wined3d_surface_get_pitch(wined3d_surface) * ((desc->dwHeight + 3) / 4);
+ desc->u1.dwLinearSize = row_pitch * ((max(1, desc->dwHeight >> texture_level) + 3) / 4);
desc->dwFlags |= DDSD_LINEARSIZE;
desc->dwFlags &= ~(DDSD_LPSURFACE | DDSD_PITCH);
}
--
2.1.4
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