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path: root/xorg-server/hw/kdrive/ephyr/hostx.c
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Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/hostx.c')
-rw-r--r--xorg-server/hw/kdrive/ephyr/hostx.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/xorg-server/hw/kdrive/ephyr/hostx.c b/xorg-server/hw/kdrive/ephyr/hostx.c
index 5fa33b9db..ee9ae455c 100644
--- a/xorg-server/hw/kdrive/ephyr/hostx.c
+++ b/xorg-server/hw/kdrive/ephyr/hostx.c
@@ -695,9 +695,6 @@ hostx_screen_init(KdScreenInfo *screen,
malloc(scrpriv->ximg->stride * buffer_height);
}
- *bytes_per_line = scrpriv->ximg->stride;
- *bits_per_pixel = scrpriv->ximg->bpp;
-
if (scrpriv->win_pre_existing == None && !EphyrWantResize) {
/* Ask the WM to keep our size static */
xcb_size_hints_t size_hints = {0};
@@ -717,13 +714,21 @@ hostx_screen_init(KdScreenInfo *screen,
scrpriv->win_height = height;
if (host_depth_matches_server(scrpriv)) {
+ *bytes_per_line = scrpriv->ximg->stride;
+ *bits_per_pixel = scrpriv->ximg->bpp;
+
EPHYR_DBG("Host matches server");
return scrpriv->ximg->data;
}
else {
- EPHYR_DBG("server bpp %i", scrpriv->server_depth >> 3);
- scrpriv->fb_data =
- malloc(width * buffer_height * (scrpriv->server_depth >> 3));
+ int bytes_per_pixel = scrpriv->server_depth >> 3;
+ int stride = (width * bytes_per_pixel + 0x3) & ~0x3;
+
+ *bytes_per_line = stride;
+ *bits_per_pixel = scrpriv->server_depth;
+
+ EPHYR_DBG("server bpp %i", bytes_per_pixel);
+ scrpriv->fb_data = malloc (stride * buffer_height);
return scrpriv->fb_data;
}
}
@@ -762,15 +767,14 @@ hostx_paint_rect(KdScreenInfo *screen,
if (!host_depth_matches_server(scrpriv)) {
int x, y, idx, bytes_per_pixel = (scrpriv->server_depth >> 3);
+ int stride = (scrpriv->win_width * bytes_per_pixel + 0x3) & ~0x3;
unsigned char r, g, b;
unsigned long host_pixel;
EPHYR_DBG("Unmatched host depth scrpriv=%p\n", scrpriv);
for (y = sy; y < sy + height; y++)
for (x = sx; x < sx + width; x++) {
- idx =
- (scrpriv->win_width * y * bytes_per_pixel) +
- (x * bytes_per_pixel);
+ idx = y * stride + x * bytes_per_pixel;
switch (scrpriv->server_depth) {
case 16: