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wined3d: Use FIELD_OFFSET to calculate the size in surface_create_dib_section().

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Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2016-02-12 18:52:20 +01:00 committed by Alexandre Julliard
parent 0f8a0fd400
commit 649d2dfb3b
1 changed files with 3 additions and 3 deletions
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6
dlls/wined3d/surface.c
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@ -379,17 +379,17 @@ HRESULT surface_create_dib_section(struct wined3d_surface *surface)
case 2:
case 4:
/* Allocate extra space to store the RGB bit masks. */
b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + 3 * sizeof(DWORD));
b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET(BITMAPINFO, bmiColors[3]));
break;
case 3:
b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER));
b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET(BITMAPINFO, bmiColors[0]));
break;
default:
/* Allocate extra space for a palette. */
b_info = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * (1u << (format->byte_count * 8)));
FIELD_OFFSET(BITMAPINFO, bmiColors[1u << (format->byte_count * 8)]));
break;
}