[Mesa-dev] [PATCH] gbm: Fix the alpha masks in the GBM format table.

Eric Anholt eric at anholt.net
Fri Feb 23 22:57:06 UTC 2018


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")
---
 src/gbm/backends/dri/gbm_dri.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index 0d088bd62b62..f987c04c1b7d 100644
--- 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,
-- 
2.16.1



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