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qxl: stride fixup

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spice uses negative stride value to signal the bitmap is upside down.
The qxl renderer (used for scl, vnc and screenshots) wants a positive
value because it is easier to work with.  The positive value is then
stored in the very same variable, which has the drawback that the
upside-down test works only once.  Fix by using two variables.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2011-10-21 15:59:07 +02:00
parent ff74c5a9a9
commit 0e2487bd6f
2 changed files with 14 additions and 12 deletions
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3
hw/qxl.h
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@ -48,7 +48,8 @@ typedef struct PCIQXLDevice {
QXLSurfaceCreate surface;
uint32_t commands;
uint32_t resized;
int32_t stride;
int32_t qxl_stride;
uint32_t abs_stride;
uint32_t bits_pp;
uint32_t bytes_pp;
uint8_t *data, *flipped;