[PATCH 2/3] windowscodecs/tests: Add tests for decoding uncompressed DDS image.

[Ziqing Hui]

Signed-off-by: Ziqing Hui <zhui(a)codeweavers.com>
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Although uncompressed DDS is not supported in native WIC, WIC chapter of MSDN has some notes about uncompressed DDS image. see https://docs.microsoft.com/en-us/windows/win32/api/wincodec/ns-wincodec-wicd...

MSDN says that for uncompressed DDS image, a block means a pixel, blockWidth=1, blockHeight=1, bytesPerBlock=bytesPerPixel, widthInBlocks=widthInPixels, widthInBlocks=widthInPixels.

 dlls/windowscodecs/tests/ddsformat.c | 96 +++++++++++++++-------------
 1 file changed, 53 insertions(+), 43 deletions(-)