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LZ4: Adjust reading the top_down flag

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Adjust the way the top_down flag is read to the corresponding change in
the wire protocol.
This commit is contained in:
Javier Celaya 2015-01-28 11:49:45 +01:00 committed by Christophe Fergeau
parent 6049db492f
commit 83c0d642ed
1 changed files with 4 additions and 4 deletions
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8
common/canvas_base.c
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@ -525,7 +525,7 @@ static pixman_image_t *canvas_get_lz4(CanvasBase *canvas, SpiceImage *image)
int stride;
int stride_abs;
uint8_t *dest, *data, *data_end;
int width, height, direction;
int width, height, top_down;
LZ4_streamDecode_t *stream;
spice_chunks_linearize(image->u.lz4.data);
@ -533,14 +533,14 @@ static pixman_image_t *canvas_get_lz4(CanvasBase *canvas, SpiceImage *image)
data_end = data + image->u.lz4.data->chunk[0].len;
width = image->descriptor.width;
height = image->descriptor.height;
direction = *(data++);
top_down = *(data++);
surface = surface_create(
#ifdef WIN32
canvas->dc,
#endif
PIXMAN_a8r8g8b8,
width, height, direction == 0);
width, height, top_down);
if (surface == NULL) {
spice_warning("create surface failed");
return NULL;
@ -551,7 +551,7 @@ static pixman_image_t *canvas_get_lz4(CanvasBase *canvas, SpiceImage *image)
stride = pixman_image_get_stride(surface);
stride_abs = abs(stride);
available = height * stride_abs;
if (direction == 1) {
if (!top_down) {
dest -= (stride_abs * (height - 1));
}