gbm: Fix the alpha masks in the GBM format table.

Once GBM started looking at the values of the alpha masks, ARGB/ABGR
wouldn't match any more because we had both A and R in the low bits.

Fixes: 2ed344645d65 ("gbm/dri: Add RGBA masks to GBM format table")
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Daniel Stone <daniels@collabora.com>

diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index ed64ad61bf026a9107e0e1e118303a222a8b6923..df20db4021882e8a386e4fc1042fd76c83a75fdc 100644 (file)
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -562,7 +562,7 @@ static const struct gbm_dri_visual gbm_dri_visuals_table[] = {
    },
    {
      GBM_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_ARGB8888,
-     { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x000000ff },
+     { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 },
    },
    {
      GBM_FORMAT_XBGR8888, __DRI_IMAGE_FORMAT_XBGR8888,
@@ -570,7 +570,7 @@ static const struct gbm_dri_visual gbm_dri_visuals_table[] = {
    },
    {
      GBM_FORMAT_ABGR8888, __DRI_IMAGE_FORMAT_ABGR8888,
-     { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x000000ff },
+     { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 },
    },
    {
      GBM_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XRGB2101010,